CN101520251B

CN101520251B - Generation-absorption-reabsorption system and absorption unit type based on system

Info

Publication number: CN101520251B
Application number: CN2009100197305A
Authority: CN
Inventors: 李华玉; 尹志青
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-18
Filing date: 2009-03-18
Publication date: 2011-01-26
Anticipated expiration: 2029-03-18
Also published as: CN101520251A

Abstract

The invention discloses a generation-absorption-reabsorption system and an absorption type unit based on the system, and belongs to the technical field of heat pump/refrigeration. The absorption type unit consists of an absorber, a second absorber, a generator, a solution heat exchanger, a second solution heat exchanger and one or two solution pumps, wherein the absorber is communicated with the generator via the solution pump and the solution heat exchangers, the generator is communicated with the second absorber via the second solution heat exchanger, and then the second absorber is communicated with the absorber via the solution heat exchanger; or the absorber is communicated with the second absorber via the solution pump and the solution heat exchanger, the second absorber is communicated with the generator via the second solution pump and the second solution heat exchanger, and then the generator is communicated with the absorber via the solution heat exchanger. The generator is provided with a cryogen steam pipeline and a driving heat medium pipeline respectively communicated with the outer part, and the absorber and the second absorber are respectively provided with a cryogen steam pipeline and a heated medium pipeline respectively communicated with the outer part. The generator provides high-temperature cryogen steam for the outer part, the absorber absorbs higher-temperature cryogen steam and releases the heat, the second absorber absorbs lower-temperature cryogen steam and releases the heat to form a generation-absorption-reabsorption system, and components are added to form the absorption unit based on the system.

Description

Generation-absorption-again absorption system and the absorption unit of segmentation absorption-type

Technical field:

The invention belongs to low temperature exhaust heat and utilize absorption type heat pump.

Background technology:

Adopting Absorption Refrigerator to freeze and utilizing the absorption heat pump technology to carry out UTILIZATION OF VESIDUAL HEAT IN is important content in the heat energy utilization, and unit has positive effect to the temperature requirement that drives thermal medium when improving absorption unit to the utilizing the degree of depth or reduce refrigeration of residual heat resources.

From the angle of heat pump, promote the heat supply temperature of heat pump, the performance index that utilizes the residual heat resources of low temperature more and improve unit is the main direction that people make great efforts.In order to keep certain utilization rate of waste heat, then require to utilize the heat pump flowsheet of waste heat not change with the temperature reduction of residual heat resources.Under the few situation of residual heat resources quantity, the waste heat MEDIA FLOW is big through the range of temperature of evaporimeter, in order to improve utilizing the degree of depth and satisfying user's heat demand of residual heat resources, often adopt the heat pump flowsheet combination---waste heat that temperature is high is used to imitate number height or the low flow process of progression, and the waste heat that temperature is low is used to imitate the flow process that number is low or progression is high---of different effect numbers, progression to realize such purpose.But this compound mode has been brought the reduction of utilization rate of waste heat---the performance index of poor efficiency number, high progression flow process is lower than the performance index of efficient number, harmonic series flow process, under the situation that heating demand is determined, the systematic function index is low more then to need the driving thermic load that drops into many more, the afterheat utilization amount is just few more, and the afterheat utilization degree just is restricted more.From the angle of refrigeration, under the situation that the parameter of cooling medium and driving thermal medium is determined, the stage that cooled medium temperature is high is then adopted the high flow process of coefficient of refrigerating performance---promptly adopt flow processs such as economic benefits and social benefits, multiple-effect or harmonic series; The stage that cooled medium temperature is low is then adopted single-action, two-stage or multistage flow process.When cooled medium is reduced to lower temperature by higher temperature, adopt the heat pump flowsheet of different effect numbers, progression to make up and finish, realize that the cooling flow performance index of cooled medium low-temperature zone is low to make that the performance index of refrigeration system is undesirable.As seen, no matter be refrigeration or heat, the range of temperature of waste heat medium is big more, adopts different path combinations of imitating numbers, progression to obtain higher performance index and then is difficult to realize.

Changing the structure and the flow process of unit, make unit imitate number or progression---corresponding corresponding performance index---realizes the degree of depth utilization to the waste heat medium, thereby improves rate of energy under the constant prerequisite.The present invention is from improving the utilization rate of residual heat resources, generation-absorption-again absorption system and the absorption unit of segmentation absorption-type have been proposed, with in-depth under the prerequisite that realizes not changing the unit performance index to the utilization of residual heat resources or finish the refrigeration of the bigger cooled medium of range of temperature, thereby reduce the input of high temperature driven thermic load.This degree of depth utilization to cryogenic waste heat resource especially has positive effect.

Summary of the invention:

The objective of the invention is to provide generation-absorption-again absorption system and the absorption unit of segmentation absorption-type, unit refrigerant vapour absorption process is carried out in the absorber and second absorber respectively---the refrigerant vapour of higher temperature enters the low absorber of solution concentration and is absorbed also heat release in heated medium by solution, the refrigerant vapour of lower temperature enters the second high absorber of solution concentration and is absorbed also heat release in heated medium by solution, to realize the degree of depth and efficient utilization the to the waste heat medium.

Generation-absorption among the present invention-one of absorption system is achieved in that again

1. on the structure, by absorber, second absorber, generator, solution pump, second solution pump, the solution heat exchanger and second solution heat exchanger are formed, absorber has the weak solution pipeline through solution pump, the solution heat exchanger and second solution heat exchanger are communicated with generator, generator has the concentrated solution pipeline to be communicated with second absorber through second solution heat exchanger again, second absorber has the weak solution pipeline again through solution heat exchanger, second solution pump is communicated with absorber, generator also has the refrigerant vapour pipeline respectively and drives thermal medium pipeline and external communications, absorber, second absorber also has refrigerant vapour pipeline and external communications, absorber respectively, second absorber also has heated medium pipeline and external communications respectively.

2. on the flow process, the solution that the heating of driving thermal medium enters generator discharges the high temperature refrigerant vapour, the concentrated solution of generator enters second absorber, the refrigerant vapour that absorbs outside lower temperature and heat release in heated medium through second solution heat exchanger, the weak solution of second absorber enters absorber, the refrigerant vapour that absorbs outside higher temperature and heat release in heated medium through the solution heat exchanger and second solution pump, the weak solution of absorber enters generator through solution pump, solution heat exchanger, second solution heat exchanger again, forms the absorption system of generation-absorption-again.

Two of the absorption system of generation-absorption among the present invention-again is achieved in that

1. on the structure, by absorber, second absorber, generator, solution pump, second solution pump, the solution heat exchanger and second solution heat exchanger are formed, absorber has the weak solution pipeline through solution pump, second solution heat exchanger is communicated with generator, generator has the concentrated solution pipeline again through second solution heat exchanger, solution heat exchanger is communicated with second absorber, second absorber has the concentrated solution pipeline again through second solution pump, solution heat exchanger is communicated with absorber, generator also has the refrigerant vapour pipeline respectively and drives thermal medium pipeline and external communications, absorber, second absorber also has refrigerant vapour pipeline and external communications, absorber respectively, second absorber also has heated medium pipeline and external communications respectively.

2. on the flow process, the solution that the heating of driving thermal medium enters generator discharges the high temperature refrigerant vapour, the concentrated solution of generator enters second absorber, the refrigerant vapour that absorbs outside lower temperature and heat release in heated medium through second solution heat exchanger and solution heat exchanger, the weak solution of second absorber enters absorber, the refrigerant vapour that absorbs outside higher temperature and heat release in heated medium through second solution pump and solution heat exchanger, the weak solution of absorber enters generator through solution pump, second solution heat exchanger again, forms the absorption system of generation-absorption-again.

Be that example further specifies the present invention with the absorption unit of segmentation absorption-type single-stage as shown in Figure 3, that be based upon on the absorption system of generation of the present invention-absorption-again below:

1. on the structure, on basis with the absorption system of generation-absorption shown in Figure 1-again, increase condenser, high-temperature evaporator, cryogenic vaporizer, the choke valve and second choke valve, generator has refrigerant vapour pipeline connection condenser, condenser has the cryogen liquid pipeline to be communicated with high-temperature evaporator through choke valve again, condenser also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer through second choke valve, high-temperature evaporator also has refrigerant vapour pipeline connection absorber, cryogenic vaporizer also has refrigerant vapour pipeline connection second absorber, condenser also has heated medium pipeline and external communications, high-temperature evaporator, cryogenic vaporizer also have surplus heat respectively medium or cooled medium pipeline and external communications.

2. on the flow process, the weak solution release high temperature refrigerant vapour that the heating of high temperature driven thermal medium enters generator provides to condenser, the refrigerant vapour that enters condenser provides the elevated temperature heat load to heated medium, and the solution after concentration improves enters second absorber through second solution heat exchanger; Condenser provides cryogen liquid through second choke valve to cryogenic vaporizer, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter second absorber, absorbed also heat release in heated medium by the solution from generator through cryogenic vaporizer heating cryogen liquid, and the weak solution after concentration reduces enters absorber through solution heat exchanger, second solution pump; Condenser provides cryogen liquid through choke valve to high-temperature evaporator, waste heat medium or cooled MEDIA FLOW through high-temperature evaporator heating cryogen liquid become the higher temperature refrigerant vapour enter absorber, absorbed by solution from second absorber and heat release in heated medium, the weak solution in the absorber enters generator through solution pump, solution heat exchanger, second solution heat exchanger; Absorber, second absorber and condenser be respectively to the heated medium heat supply, thereby obtain the absorption unit of single-stage that segmentation absorbs and have three heat supply ends.

The key parameter that marks from figure is as can be seen: heated medium is heated to 94 ℃, solution venting concentration range by 60 ℃ is that when adopting traditional single stage absorption type heat pump assembly, the scope of utilizing of waste heat medium is 50 ℃～45 ℃ under 5% the situation; After adopting the present invention, the scope of utilizing of waste heat medium becomes 50 ℃～40 ℃, and the degree that residual heat resources are utilized obtains bigger raising.Changing an angle sees, the latter has decomposed the absorption thermic load of traditional single stage heat pump flowsheet, they all are to be finished by the single-stage heat pump flowsheet under the equal situation of heated medium parameter, driving thermal medium parameter and solution venting scope, its performance index basically identical, but the latter can utilize the more residual heat resources of low temperature largely, and this just utilizes the degree of depth that corresponding unit is provided for improving residual heat resources.

In generation of the present invention-absorption-increase corresponding component on the absorption system again, obtain the absorption unit of corresponding segment absorption-type:

1. based on the absorption system of aforementioned generation-absorption-again, increase condenser, high-temperature evaporator, cryogenic vaporizer, the choke valve and second choke valve, refrigerant vapour pipeline connection condenser with generator and external communications, condenser has the cryogen liquid pipeline to be communicated with high-temperature evaporator through choke valve again, condenser or high-temperature evaporator also have the cryogen liquid pipeline to be communicated with cryogenic vaporizer through second choke valve, refrigerant vapour pipeline connection high-temperature evaporator with absorber and external communications, refrigerant vapour pipeline connection cryogenic vaporizer with second absorber and external communications, condenser also has heated medium pipeline and external communications, high-temperature evaporator, cryogenic vaporizer also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to provide to absorber through high-temperature evaporator heating cryogen liquid, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to provide to second absorber through cryogenic vaporizer heating cryogen liquid, driving heat medium flow provides to condenser through generator heated solution release high temperature refrigerant vapour, absorber, second absorber and condenser be respectively to the heated medium heat supply, thereby obtain the absorption unit of single-stage that segmentation absorbs and have three heat supply ends.

For making narration convenient, " with the refrigerant vapour pipeline connection condenser of generator and external communications " in the foregoing, " with the refrigerant vapour pipeline connection high-temperature evaporator of absorber and external communications " and " with the refrigerant vapour pipeline connection cryogenic vaporizer of second absorber and external communications " also are expressed as " generator has refrigerant vapour pipeline connection condenser ", " high-temperature evaporator also has refrigerant vapour pipeline connection absorber " and " cryogenic vaporizer also has refrigerant vapour pipeline connection second absorber " respectively; These statements or similar statement will be used for following summary of the invention.

2. based on the absorption system of aforementioned generation-absorption-again, increase parts and constitute the solution series circulation, segmentation absorbs and has the absorption unit of economic benefits and social benefits single-stage of three heat supply ends---or increase condenser, high-temperature evaporator, cryogenic vaporizer, choke valve, second choke valve, low pressure generator, the 3rd choke valve and the 3rd solution pump, or absorber there is the weak solution pipeline through solution pump, solution heat exchanger, second solution heat exchanger connection generator changes absorber into has the weak solution pipeline through solution pump, solution heat exchanger, low pressure generator had the concentrated solution pipeline to be communicated with generator through the 3rd solution pump again after second solution heat exchanger was communicated with low pressure generator, or absorber is had the weak solution pipeline through solution pump, second solution heat exchanger connection generator changes absorber into has weak solution pipeline low pressure generator after solution pump second solution heat exchanger is communicated with low pressure generator to have the concentrated solution pipeline to be communicated with generator through the 3rd solution pump again; Or increase condenser, high-temperature evaporator, cryogenic vaporizer, choke valve, second choke valve, low pressure generator, the 3rd choke valve and the 3rd solution heat exchanger, or absorber there is the weak solution pipeline through solution pump, solution heat exchanger, second solution heat exchanger connection generator changes absorber into has the weak solution pipeline through solution pump, solution heat exchanger, second solution heat exchanger and the 3rd solution heat exchanger are communicated with generator and have the concentrated solution pipeline to be communicated with second absorber through second solution heat exchanger in generator and change generator into and have the concentrated solution pipeline to be communicated with low pressure generator through the 3rd solution heat exchanger, low pressure generator has the concentrated solution pipeline to be communicated with second absorber through second solution heat exchanger again, or absorber is had the weak solution pipeline through solution pump, second solution heat exchanger connection generator changes absorber into has the weak solution pipeline through solution pump, second solution heat exchanger, the 3rd solution heat exchanger is communicated with generator and generator is had the concentrated solution pipeline through second solution heat exchanger, solution heat exchanger is communicated with second absorber and changes generator into and have the concentrated solution pipeline to be communicated with low pressure generator through the 3rd solution heat exchanger, low pressure generator has the concentrated solution pipeline again through second solution heat exchanger, solution heat exchanger is communicated with second absorber; Low pressure generator had the cryogen liquid pipeline to be communicated with condenser through the 3rd choke valve again after generator also had refrigerant vapour pipeline connection low pressure generator, low pressure generator also has refrigerant vapour pipeline connection condenser, condenser has the cryogen liquid pipeline to be communicated with high-temperature evaporator through choke valve again, condenser or high-temperature evaporator also have the cryogen liquid pipeline to be communicated with cryogenic vaporizer through second choke valve, high-temperature evaporator also has refrigerant vapour pipeline connection absorber, cryogenic vaporizer also has refrigerant vapour pipeline connection second absorber, condenser also has heated medium pipeline and external communications, high-temperature evaporator, cryogenic vaporizer also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to provide to absorber through high-temperature evaporator heating cryogen liquid, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to provide to second absorber through cryogenic vaporizer heating cryogen liquid, the driving heat medium flow enters low pressure generator through generator heated solution release high temperature refrigerant vapour and drives thermal medium as it, the solution release refrigerant vapour that heating enters low pressure generator enters condenser, absorber, second absorber and condenser circulate thereby obtain solution series respectively to the heated medium heat supply, the segmentation absorption also has three absorption units of heat supply end economic benefits and social benefits single-stage.

3. based on the absorption system of aforementioned generation-absorption-again, increase parts and constitute solution circulation in parallel, segmentation absorbs and has the absorption unit of economic benefits and social benefits single-stage of three heat supply ends---increase condenser, high-temperature evaporator, cryogenic vaporizer, choke valve, second choke valve, low pressure generator, the 3rd choke valve and the 3rd solution heat exchanger, or the self-absorption device is through solution pump or set up the solution pipeline again be communicated with low pressure generator through the 3rd solution heat exchanger behind solution heat exchanger, or from second absorber through second solution pump or set up the solution pipeline through solution heat exchanger again and be communicated with low pressure generator through the 3rd solution heat exchanger, low pressure generator also has the concentrated solution pipeline to be communicated with the absorber or second absorber through the 3rd solution heat exchanger, low pressure generator had the cryogen liquid pipeline to be communicated with condenser through the 3rd choke valve again after generator had refrigerant vapour pipeline connection low pressure generator, low pressure generator also has refrigerant vapour pipeline connection condenser, condenser has the cryogen liquid pipeline to be communicated with high-temperature evaporator through choke valve again, condenser or high-temperature evaporator also have the cryogen liquid pipeline to be communicated with cryogenic vaporizer through second choke valve, high-temperature evaporator also has refrigerant vapour pipeline connection absorber, cryogenic vaporizer also has refrigerant vapour pipeline connection second absorber, condenser also has heated medium pipeline and external communications, high-temperature evaporator, cryogenic vaporizer also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to provide to absorber through high-temperature evaporator heating cryogen liquid, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to provide to second absorber through cryogenic vaporizer heating cryogen liquid, the driving heat medium flow enters low pressure generator through generator heated solution release high temperature refrigerant vapour and drives thermal medium as it, the solution release refrigerant vapour that heating enters low pressure generator enters condenser, absorber, second absorber and condenser circulate thereby obtain the solution parallel connection respectively to the heated medium heat supply, the segmentation absorption also has three absorption units of heat supply end economic benefits and social benefits single-stage.

4. based on the absorption system of aforementioned generation-absorption-again, increase condenser, high-temperature evaporator, absorption-evaporimeter, choke valve, the 3rd choke valve or cryogen liquid pump, the 3rd solution heat exchanger, cryogenic vaporizer, the second absorption-evaporimeter, second choke valve, the 4th choke valve or the second cryogen liquid pump, the 4th solution heat exchanger and the 3rd solution pump; Or absorber there is the weak solution pipeline through solution pump, solution heat exchanger, second solution heat exchanger connection generator changes absorber into has weak solution pipeline absorption-evaporimeter after the 3rd solution heat exchanger is communicated with absorption-evaporimeter the weak solution pipeline to be arranged again through solution pump, the 3rd solution heat exchanger, solution heat exchanger, second solution heat exchanger is communicated with generator, and sets up weak solution pipeline second absorption-evaporimeter after the 4th solution heat exchanger is communicated with the second absorption-evaporimeter by absorber and the weak solution pipeline is arranged through the 3rd solution pump again, connect self-absorption-evaporimeter behind the 4th solution heat exchanger and connect solution pump, solution pipeline after the 3rd solution heat exchanger; Or second absorber there is the weak solution pipeline through solution heat exchanger, second solution pump connection absorber changes second absorber into has weak solution pipeline absorption-evaporimeter after the 3rd solution heat exchanger is communicated with absorption-evaporimeter the weak solution pipeline to be arranged again through second solution pump, the 3rd solution heat exchanger and solution heat exchanger are communicated with absorber, and set up weak solution pipeline second absorption-evaporimeter after the 4th solution heat exchanger is communicated with the second absorption-evaporimeter by second absorber and the weak solution pipeline is arranged through the 3rd solution pump again, connect self-absorption-evaporimeter behind the 4th solution heat exchanger and connect solution pump, solution pipeline after the 3rd solution heat exchanger; Generator also has refrigerant vapour pipeline connection condenser, condenser also has the cryogen liquid pipeline to be communicated with high-temperature evaporator and to be communicated with cryogenic vaporizer through second choke valve through choke valve respectively, high-temperature evaporator also has refrigerant vapour pipeline connection absorption-evaporimeter, cryogenic vaporizer also has the refrigerant vapour pipeline connection second absorption-evaporimeter, condenser also has the cryogen liquid pipeline to also have cryogen liquid pipeline absorption-evaporimeter after the cryogen liquid pump is communicated with absorption-evaporimeter that refrigerant vapour pipeline connection absorber is arranged again through the 3rd choke valve or high-temperature evaporator, condenser also has the cryogen liquid pipeline, and the second absorption-evaporimeter after the second cryogen liquid pump is communicated with the second absorption-evaporimeter has refrigerant vapour pipeline connection second absorber again through the 4th choke valve or cryogenic vaporizer, condenser also has heated medium pipeline and external communications, high-temperature evaporator, cryogenic vaporizer also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter through high-temperature evaporator heating cryogen liquid, absorbed from the solution of the absorber or second absorber and the flow through cryogen liquid of absorption-evaporimeter of heating becomes refrigerant vapour to provide to absorber, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter through cryogenic vaporizer heating cryogen liquid, absorbed from the solution of the absorber or second absorber and the flow through cryogen liquid of the second absorption-evaporimeter of heating becomes refrigerant vapour to provide to second absorber, driving heat medium flow provides to condenser through generator heated solution release high temperature refrigerant vapour, absorber, second absorber and condenser be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour by absorption-evaporimeter to absorber, segmentation absorbs and has the two-stage absorption unit of three heat supply ends.

5. based on the absorption system of aforementioned generation-absorption-again, increase condenser, high-temperature evaporator, absorption-evaporimeter, low pressure generator, the 3rd solution pump, choke valve, the 3rd choke valve or cryogen liquid pump, the 3rd solution heat exchanger, cryogenic vaporizer, the second absorption-evaporimeter, second low pressure generator, the 4th solution pump, second choke valve, the 4th choke valve or the second cryogen liquid pump and the 4th solution heat exchanger, generator has refrigerant vapour pipeline connection condenser; Condenser also has the cryogen liquid pipeline to be communicated with high-temperature evaporator through choke valve, high-temperature evaporator also has refrigerant vapour pipeline connection absorption-evaporimeter, absorption-evaporimeter also has the weak solution pipeline through the 3rd solution pump, low pressure generator had the concentrated solution pipeline to be communicated with absorption-evaporimeter through the 3rd solution heat exchanger again after the 3rd solution heat exchanger was communicated with low pressure generator, condenser also has the cryogen liquid pipeline to also have cryogen liquid pipeline absorption-evaporimeter after the cryogen liquid pump is communicated with absorption-evaporimeter that refrigerant vapour pipeline connection absorber is arranged again through the 3rd choke valve or high-temperature evaporator, and low pressure generator also has refrigerant vapour pipeline connection absorber; Condenser also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer through second choke valve, cryogenic vaporizer also has the refrigerant vapour pipeline connection second absorption-evaporimeter, second absorption-the evaporimeter also has the weak solution pipeline through the 4th solution pump, second low pressure generator had the concentrated solution pipeline to be communicated with the second absorption-evaporimeter through the 4th solution heat exchanger again after the 4th solution heat exchanger was communicated with second low pressure generator, condenser also has the cryogen liquid pipeline to also have cryogen liquid pipeline second absorption-evaporimeter after the second cryogen liquid pump is communicated with the second absorption-evaporimeter that refrigerant vapour pipeline connection second absorber is arranged again through the 4th choke valve or cryogenic vaporizer, and second low pressure generator also has refrigerant vapour pipeline connection second absorber; Condenser also has heated medium pipeline and external communications, high-temperature evaporator and cryogenic vaporizer also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become refrigerant vapour to enter absorptions-evaporimeter, absorbed by the solution from low pressure generator and the flow through cryogen liquid of absorptions-evaporimeter of heating becomes the higher temperature refrigerant vapour to provide to absorber through high-temperature evaporator heating cryogen liquid, drive thermal medium and heat the solution release refrigerant vapour that enters low pressure generator and provide to absorber; Waste heat medium or cooled MEDIA FLOW become refrigerant vapour to enter the second absorptions-evaporimeter, absorbed by the solution from second low pressure generator and the flow through cryogen liquid of the second absorptions-evaporimeter of heating becomes the higher temperature refrigerant vapour to provide to second absorber through cryogenic vaporizer heating cryogen liquid, drive thermal medium and heat the solution release refrigerant vapour that enters second low pressure generator and provide to second absorber; Absorber, second absorber and condenser be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour, segmentation to absorb and have the two-stage absorption unit of three heat supply ends to absorber jointly by absorption-evaporimeter and low pressure generator.

6. based on the absorption system of aforementioned generation-absorption-again, increase condenser, high-temperature evaporator, cryogenic vaporizer, choke valve, second choke valve, high-temperature generator, the high temperature absorber, the 3rd solution pump and the 3rd solution heat exchanger, generator has refrigerant vapour pipeline connection high temperature absorber, the high temperature absorber also has the weak solution pipeline through the 3rd solution pump, the 3rd solution heat exchanger is communicated with high-temperature generator, high-temperature generator also has the concentrated solution pipeline to be communicated with the high temperature absorber through the 3rd solution heat exchanger, high-temperature generator also has refrigerant vapour pipeline connection condenser, condenser has the cryogen liquid pipeline to be communicated with high-temperature evaporator through choke valve again, condenser or high-temperature evaporator also have the cryogen liquid pipeline to be communicated with cryogenic vaporizer through second choke valve, high-temperature evaporator also has the refrigerant vapour pipeline to be communicated with absorber, cryogenic vaporizer also has refrigerant vapour pipeline connection second absorber, condenser also has heated medium pipeline and external communications, high-temperature evaporator, cryogenic vaporizer also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to provide to absorber through high-temperature evaporator heating cryogen liquid, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to provide to second absorber through cryogenic vaporizer heating cryogen liquid, driving heat medium flow provides to the high temperature absorber through generator heated solution release high temperature refrigerant vapour, absorber, second absorber, high temperature absorber and condenser obtain providing refrigerant vapour by low pressure generator to absorber respectively to the heated medium heat supply, segmentation absorbs and has the two-stage absorption unit of four heat supply ends.

7. absorb in aforementioned segmentation, refrigerant vapour is provided and has in the two-stage absorption unit of four heat supply ends to absorber by low pressure generator, increase by second condenser and the 3rd choke valve again, set up refrigerant vapour pipeline connection second condenser by generator, or having the cryogen liquid pipeline to change condenser into through choke valve connection high-temperature evaporator condenser has cryogen liquid pipeline second condenser after choke valve is communicated with second condenser to have the cryogen liquid pipeline to be communicated with high-temperature evaporator through the 3rd choke valve again, or having the cryogen liquid pipeline to change condenser into through second choke valve connection cryogenic vaporizer condenser has cryogen liquid pipeline second condenser after second choke valve is communicated with second condenser to have the cryogen liquid pipeline to be communicated with cryogenic vaporizer through the 3rd choke valve again, and second condenser also has heated medium pipeline and external communications; Absorber, second absorber, second condenser, high temperature absorber and condenser be respectively to the heated medium heat supply, obtains segmentation and absorb, refrigerant vapour be provided and have the two-stage absorption unit of five heat supply ends to absorber by low pressure generator.

8. in the absorption unit of aforementioned each segmentation absorption-type, increase absorber, absorption-evaporimeter, choke valve or cryogen liquid pump, solution pump and solution heat exchanger; Maybe will be communicated with generator and be communicated with newly-increased absorber for it provides the pipeline of solution to change into, newly-increased absorber has the weak solution pipeline to be communicated with newly-increased absorption-evaporimeter through newly-increased solution heat exchanger again, newly-increased absorption-evaporimeter also has the concentrated solution pipeline to be communicated with generator through newly-increased solution pump and newly-increased solution heat exchanger again, or sets up the newly-increased absorber of concentrated solution pipeline connection from generator, newly-increased absorber has the weak solution pipeline to be communicated with newly-increased absorption-evaporimeter through newly-increased solution heat exchanger again, newly-increased absorption-evaporimeter also has the concentrated solution pipeline to be communicated with generator through newly-increased solution pump and newly-increased solution heat exchanger again; Or high-temperature evaporator or cryogenic vaporizer have the cryogen liquid pipeline newly-increased absorptions-evaporimeter after newly-increased cryogen liquid pump is communicated with newly-increased absorptions-evaporimeter have the refrigerant vapour pipeline connection increase absorber again, or condenser has the cryogen liquid pipeline to increase absorption-evaporimeter newly after the choke valve connection increases absorption-evaporimeter newly and have the refrigerant vapour pipeline connection to increase absorber newly again through increasing newly; Set up the newly-increased absorption-evaporimeter of refrigerant vapour pipeline connection by high-temperature evaporator or cryogenic vaporizer, newly-increased absorber also has heated medium pipeline and external communications; The cryogen liquid that refrigerant vapour from high-temperature evaporator or cryogenic vaporizer enters newly-increased absorption-evaporimeter, absorbed by the solution from newly-increased absorber and heat the newly-increased absorber of flowing through becomes the refrigerant vapour of higher temperature to provide to newly-increased absorber, the refrigerant vapour that enters newly-increased absorber is absorbed also heat release in heated medium by the solution from absorber or generator, newly-increased absorber becomes the newly-increased high-temperature heat supply end of unit, thereby obtains the absorption unit of segmentation absorption-type of additional high-temperature heat supply end.

The present invention is from the core of absorption unit flow process, and---solution absorbs refrigerant vapour---sets about, provide the absorption system of generation-absorption-again and be based upon the various concrete absorption unit of segmentation absorption-type in this system, simple in structure, type is abundant, can make unit realize the degree of depth of residual heat resources, efficiently utilization under the constant prerequisite of performance index, have good creativeness, novelty and practicality in basic the maintenance.

Description of drawings:

Fig. 1 is according to generation provided by the present invention-absorption-the again structure and the schematic flow sheet of absorption system.

Fig. 2 also is according to generation provided by the present invention-absorption-the again structure and the schematic flow sheet of absorption system; The difference that the two does not have essence of comparing with shown in Figure 1 just has some difference on idiographic flow.

Fig. 3 is according to provided by the present invention, based on generation shown in Figure 1-absorption-segmentation of absorption system absorbs and have the system architecture and the schematic flow sheet of the absorption unit of single-stage of three heat supply ends again.

Fig. 4 is according to provided by the present invention, based on generation shown in Figure 2-absorption-segmentation of absorption system absorbs and have the system architecture and the schematic flow sheet of the absorption unit of single-stage of three heat supply ends again.

Fig. 5 is according to provided by the present invention, based on system architecture and the schematic flow sheet that generation shown in Figure 1-absorption-solution series of absorption system circulates again, segmentation absorbs and have three absorption units of heat supply end economic benefits and social benefits single-stage.

Fig. 6 is according to provided by the present invention, based on system architecture and the schematic flow sheet that generation shown in Figure 2-absorption-solution series of absorption system circulates again, segmentation absorbs and have three absorption units of heat supply end economic benefits and social benefits single-stage.

Fig. 7 also is according to provided by the present invention, based on system architecture and the schematic flow sheet that generation shown in Figure 1-absorption-solution series of absorption system circulates again, segmentation absorbs and have three absorption units of heat supply end economic benefits and social benefits single-stage; With shown in Figure 5 comparing, the difference of the two is: 1. adopt the 3rd solution heat exchange to replace the 3rd solution pump among Fig. 5 among Fig. 7; 2. Fig. 5 mesolow generator provides solution by the 3rd solution pump to generator, then is that generator provides solution through the 3rd solution heat exchanger to low pressure generator among Fig. 7.

Fig. 8 also is according to provided by the present invention, based on system architecture and the schematic flow sheet that generation shown in Figure 2-absorption-solution series of absorption system circulates again, segmentation absorbs and have three absorption units of heat supply end economic benefits and social benefits single-stage; With shown in Figure 6 comparing, the difference of the two is: 1. adopt the 3rd solution heat exchange to replace the 3rd solution pump among Fig. 6 among Fig. 8; 2. Fig. 6 mesolow generator provides solution by the 3rd solution pump to generator, then is that generator provides solution through the 3rd solution heat exchanger to low pressure generator among Fig. 8.

Fig. 9 is according to provided by the present invention, absorbs and have the system architecture and the schematic flow sheet of three absorption units of heat supply end economic benefits and social benefits single-stage based on the generation shown in Figure 2-absorption-solution of absorption system circulation in parallel again, segmentation.

Figure 10 also is according to provided by the present invention, absorbs and have the system architecture and the schematic flow sheet of three absorption units of heat supply end economic benefits and social benefits single-stage based on the generation shown in Figure 2-absorption-solution of absorption system circulation in parallel again, segmentation; With shown in Figure 9 comparing, provide solution through second solution pump to low pressure generator by second absorber among Fig. 9, the concentrated solution of low pressure generator is got back to second absorber; Then be that absorber provides solution through solution pump to low pressure generator among Figure 10, the concentrated solution of low pressure generator is got back to absorber.

Figure 11 is according to provided by the present invention, absorbs and have the system architecture and the schematic flow sheet of three absorption units of heat supply end economic benefits and social benefits single-stage based on the generation shown in Figure 1-absorption-solution of absorption system circulation in parallel again, segmentation.

Figure 12 is according to provided by the present invention, based on generation shown in Figure 1-absorption-absorption system provides refrigerant vapour, segmentation to absorb and have the system architecture and the schematic flow sheet of the two-stage absorption unit of three heat supply ends by absorption-evaporimeter to absorber again.

Figure 13 is according to provided by the present invention, based on generation shown in Figure 2-absorption-absorption system provides refrigerant vapour, segmentation to absorb and have the system architecture and the schematic flow sheet of the two-stage absorption unit of three heat supply ends by absorption-evaporimeter to absorber again.

Figure 14 is according to provided by the present invention, based on generation shown in Figure 1-absorption-absorption system provides refrigerant vapour, segmentation to absorb and have the two-stage absorption unit of three heat supply ends to absorber by absorption-evaporimeter and low pressure generator jointly again.

Figure 15 is according to provided by the present invention, based on generation shown in Figure 2-absorption-absorption system provides refrigerant vapour, segmentation to absorb and have the two-stage absorption unit of three heat supply ends to absorber by absorption-evaporimeter and low pressure generator jointly again.

Figure 16 is according to provided by the present invention, based on generation shown in Figure 1-absorption-absorption system provides refrigerant vapour, segmentation to absorb and have the system architecture and the schematic flow sheet of the two-stage absorption unit of four heat supply ends by low pressure generator to absorber again.

Figure 17 is according to provided by the present invention, based on generation shown in Figure 2-absorption-absorption system provides refrigerant vapour, segmentation to absorb and have the system architecture and the schematic flow sheet of the two-stage absorption unit of four heat supply ends by low pressure generator to absorber again.

Figure 18 is according to provided by the present invention, based on generation shown in Figure 1-absorption-absorption system provides refrigerant vapour, segmentation to absorb and have the system architecture and the schematic flow sheet of the two-stage absorption unit of five heat supply ends by low pressure generator to absorber again.

Figure 19 is according to provided by the present invention, based on generation shown in Figure 2-absorption-absorption system provides refrigerant vapour, segmentation to absorb and have the system architecture and the schematic flow sheet of the two-stage absorption unit of five heat supply ends by low pressure generator to absorber again.

Figure 20 is according to provided by the present invention, absorbs and have the absorption machine set system structure and the schematic flow sheet of additional high-temperature heat supply end in the absorption unit of single-stage of three heat supply ends in segmentation shown in Figure 4.

Figure 21 is according to provided by the present invention, absorbs and have the absorption machine set system structure and the schematic flow sheet of additional high-temperature heat supply end in the absorption unit of single-stage of three heat supply ends in segmentation shown in Figure 3.

Figure 20, Figure 21 are the representatives that has added the absorption unit of above-mentioned each segmentation absorption-type of high-temperature heat supply end, and they have embodied the method and the step of the additional high-temperature heat supply end of the absorption unit of above-mentioned each segmentation absorption-type.

Among the figure, 1-absorber (lower concentration absorbing device), 2-second absorber (high concentration absorber), 3-generator, 4-solution pump, 5-second solution pump, 6-solution heat exchanger, 7-second solution heat exchanger.

Wherein, second solution pump 5 is used to overcome pressure reduction and the flow of solution resistance between second absorber 2 and the absorber 1; When second absorber 2 is distributed in the position that is higher than absorber 1, can utilize gravitational difference and save second solution pump 5.

Among Fig. 2-Fig. 4, Figure 20-Figure 21, A1-condenser, B1-high-temperature evaporator, C1-cryogenic vaporizer, D1-choke valve, E1-second choke valve; A-increases absorber newly, and b-increases absorption-evaporimeter newly, and c-increases solution pump newly, and d-increases choke valve newly, and e-increases solution heat exchanger newly, and f-increases the cryogen liquid pump newly.

Among Fig. 5-Figure 11, A2-condenser, B2-high-temperature evaporator, C2-cryogenic vaporizer, D2-choke valve, E2-second choke valve, F2-low pressure generator, G2-the 3rd choke valve, H2-the 3rd solution pump, I2-the 3rd solution heat exchanger.

Among Figure 12-Figure 13, A3-condenser, B3-high-temperature evaporator, C3-absorption-evaporimeter, D3-choke valve, E3-the 3rd choke valve, F3-the 3rd solution heat exchanger, G3-cryogen liquid pump, b3-cryogenic vaporizer, the c3-second absorption-evaporimeter, d3-second choke valve, e3-the 4th choke valve, f3-the 4th solution heat exchanger, g3-the 3rd solution pump, the h3-second cryogen liquid pump.

Among Figure 14-Figure 15, A4-condenser, B4-high-temperature evaporator, C4-absorption-evaporimeter, D4-low pressure generator, E4-the 3rd solution pump, F4-choke valve, G4-the 3rd choke valve, H4-the 3rd solution heat exchanger, I4-cryogen liquid pump; The b4-cryogenic vaporizer, the c4-second absorption-evaporimeter, d4-second low pressure generator, e4-the 4th solution pump, f4-second choke valve, g4-the 4th choke valve, h4-the 4th solution heat exchanger, the i4-second cryogen liquid pump.

Among Figure 16-Figure 19, A5-condenser, B5-high-temperature evaporator, C5-cryogenic vaporizer, the D5-choke valve, E5-second choke valve, F5-high-temperature generator, G5-high temperature absorber, H5-the 3rd solution pump, I5-the 3rd solution heat exchanger, J5-second condenser, K5-the 3rd choke valve.

The specific embodiment:

Describe the present invention in detail below in conjunction with accompanying drawing and example.

Shown in Figure 1, the generation-absorption among the present invention-one of absorption system is achieved in that again

1. on the structure, the absorption system of this generation-absorption-again is by absorber 1, second absorber 2, generator 3, solution pump 4, second solution pump 5, the solution heat exchanger 6 and second solution heat exchanger 7 are formed, absorber 1 has the weak solution pipeline through solution pump 4, solution heat exchanger 6, second solution heat exchanger 7 is communicated with generator 3, generator 3 has the concentrated solution pipeline to be communicated with second absorber 2 through second solution heat exchanger 7 again, second absorber 2 has the weak solution pipeline again through solution heat exchanger 6, second solution pump 5 is communicated with absorber 1, generator 3 also has the refrigerant vapour pipeline respectively and drives thermal medium pipeline and external communications, absorber 1, second absorber 2 also has refrigerant vapour pipeline and external communications, absorber 1 respectively, second absorber 2 also has heated medium pipeline and external communications respectively.

2. on the flow process, the solution that the heating of driving thermal medium enters generator 3 discharges the high temperature refrigerant vapour, the concentrated solution of generator 3 enters second absorber 2 through second solution heat exchanger 7, absorb the refrigerant vapour of outside lower temperature and heat release in heated medium, the weak solution of second absorber 2 enters absorber 1 through the solution heat exchanger 6 and second solution pump 5, absorb the refrigerant vapour of outside higher temperature and heat release in heated medium, the weak solution of absorber 1 is again through solution pump 4, solution heat exchanger 6, second solution heat exchanger 7 enters generator 3, forms the absorption system of generation-absorption-again.

Shown in Figure 2, two of the absorption system of the generation-absorption among the present invention-again is achieved in that

1. on the structure, the absorption system of this generation-absorption-again is by absorber 1, second absorber 2, generator 3, solution pump 4, second solution pump 5, the solution heat exchanger 6 and second solution heat exchanger 7 are formed, absorber 1 has the weak solution pipeline through solution pump 4, second solution heat exchanger 7 is communicated with generator 3, generator 3 has the concentrated solution pipeline again through second solution heat exchanger 7, solution heat exchanger 6 is communicated with second absorber 2, second absorber 2 has the concentrated solution pipeline again through second solution pump 5, solution heat exchanger 6 is communicated with absorber 1, generator 3 also has the refrigerant vapour pipeline respectively and drives thermal medium pipeline and external communications, absorber 1, second absorber 2 also has refrigerant vapour pipeline and external communications, absorber 1 respectively, second absorber 2 also has heated medium pipeline and external communications respectively.

2. on the flow process, the solution that the heating of driving thermal medium enters generator 3 discharges the high temperature refrigerant vapour, the concentrated solution of generator 3 enters second absorber 2 through second solution heat exchanger 7 and solution heat exchanger 6, absorb the refrigerant vapour of outside lower temperature and heat release in heated medium, the weak solution of second absorber 2 enters absorber 1 through second solution pump 5 and solution heat exchanger 6, absorb the refrigerant vapour of outside higher temperature and heat release in heated medium, the weak solution of absorber 1 is again through solution pump 4, second solution heat exchanger 7 enters generator 3, forms the absorption system of generation-absorption-again.

Shown in Figure 3, the absorption unit of segmentation absorption-type single-stage with three heat supply ends is achieved in that

1. on the structure, based on the absorption system of generation-absorption shown in Fig. 1-again, increase condenser A1, high-temperature evaporator B1, cryogenic vaporizer C1, the choke valve D1 and the second choke valve E1, generator 3 has refrigerant vapour pipeline connection condenser A1, condenser A1 has the cryogen liquid pipeline to be communicated with high-temperature evaporator B1 through choke valve D1 again, condenser A1 also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer C1 through the second choke valve E1, high-temperature evaporator B1 also has refrigerant vapour pipeline connection absorber 1, cryogenic vaporizer C1 also has refrigerant vapour pipeline connection second absorber 2, condenser A1 also has heated medium pipeline and external communications, high-temperature evaporator B1, cryogenic vaporizer C1 also have surplus heat respectively medium or cooled medium pipeline and external communications.

2. on the flow process, the weak solution release high temperature refrigerant vapour that the heating of high temperature driven thermal medium enters generator 3 provides to condenser A1, the refrigerant vapour that enters condenser A1 provides the elevated temperature heat load to heated medium, and the solution after concentration improves enters second absorber 2 through second solution heat exchanger 7; Condenser A1 provides cryogen liquid through the second choke valve E1 to cryogenic vaporizer C1, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter second absorber 2, absorbed also heat release in heated medium by the solution from generator 3 through cryogenic vaporizer C1 heating cryogen liquid, and the weak solution after concentration reduces enters absorber 1 through solution heat exchanger 6, second solution pump 5; Condenser A1 provides cryogen liquid through choke valve D1 to high-temperature evaporator B1, waste heat medium or cooled MEDIA FLOW through high-temperature evaporator B1 heating cryogen liquid become the higher temperature refrigerant vapour enter absorber 1, absorbed by solution from second absorber 2 and heat release in heated medium, the weak solution in the absorber 1 enters generator 3 through solution pump 4, solution heat exchanger 6, second solution heat exchanger 7; Absorber 1, second absorber 2 and condenser A1 be respectively to the heated medium heat supply, thereby obtain the absorption unit of single-stage that segmentation absorbs and have three heat supply ends.

Since each segmentation absorption-type unit generation-absorption-structure and the flow process of absorption system have careful description in front again, therefore, the description of the workflow of the absorption unit of segmentation absorption-type single-stage can be no longer to relating to the process of solution in the absorption system of generation-absorption-again, take following mode to carry out:

Generator 3 discharges the high temperature refrigerant vapour and enters condenser A1 one-tenth cryogen liquid after heated medium provides the elevated temperature heat load, condenser A1 provides cryogen liquid through the second choke valve E1 to cryogenic vaporizer C1, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter second absorber 2 through cryogenic vaporizer C1 heating cryogen liquid, condenser A1 provides cryogen liquid through choke valve D1 to high-temperature evaporator B1, waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorber 1 through high-temperature evaporator B1 heating cryogen liquid, absorber 1, second absorber 2 and condenser A1 be respectively to the heated medium heat supply, thereby obtain the absorption unit of single-stage that segmentation absorbs and have three heat supply ends.

The structure of the absorption unit of each sectional type of back and flow process are described and will no longer be related to the absorption system part of generation-absorption-again.

The absorption unit of segmentation absorption-type single-stage with three heat supply ends shown in Figure 4, it and difference shown in Figure 3 are: 1. shown in Figure 3 is based on the absorption system of generation-absorption shown in Figure 1-again, and shown in Figure 4 be based on the absorption system of generation-absorption shown in Figure 2-again; 2. among Fig. 3, condenser A1 directly is communicated with cryogenic vaporizer C1 through the second choke valve E1, and condenser A1 directly provides cryogen liquid to cryogenic vaporizer C1; Then be that high-temperature evaporator B1 directly is communicated with cryogenic vaporizer C1 through the second choke valve E1 among Fig. 4, the cryogen liquid of condenser A1 all entered high-temperature evaporator B1 before this and partly was subjected to thermal evaporation, and remainder enters cryogenic vaporizer C1 through the second choke valve E1 throttling again.

Shown in Figure 5, solution series circulation, segmentation absorb and have three absorption units of heat supply end economic benefits and social benefits single-stage and be achieved in that

1. on the structure, on with the absorption system of generation-absorption shown in Figure 1-again, increase condenser A2, high-temperature evaporator B2, cryogenic vaporizer C2, choke valve D2, the second choke valve E2, low pressure generator F2, the 3rd choke valve G2 and the 3rd solution pump H2, absorber 1 there is the weak solution pipeline through solution pump 4, solution heat exchanger 6, second solution heat exchanger, 7 connection generators 3 change absorber 1 into has the weak solution pipeline through solution pump 4, solution heat exchanger 6, low pressure generator F2 had the concentrated solution pipeline to be communicated with generator 3 through the 3rd solution pump H2 again after second solution heat exchanger 7 was communicated with low pressure generator F2, low pressure generator F2 had the cryogen liquid pipeline to be communicated with condenser A2 through the 3rd choke valve G2 again after generator 3 also had refrigerant vapour pipeline connection low pressure generator F2, low pressure generator F2 also has refrigerant vapour pipeline connection condenser A2, condenser A2 also has the cryogen liquid pipeline to be communicated with high-temperature evaporator B2 through choke valve D2, condenser A2 also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer C2 through the second choke valve E2, high-temperature evaporator B2 also has refrigerant vapour pipeline connection absorber 1, cryogenic vaporizer C2 also has refrigerant vapour pipeline connection second absorber 2, condenser A2 also has heated medium pipeline and external communications, high-temperature evaporator B2, cryogenic vaporizer C2 also have surplus heat respectively medium or cooled medium pipeline and external communications.

2. on the flow process, absorber 1 provides weak solution through solution heat exchanger 6, second solution heat exchanger 7 to low pressure generator F2 again by solution pump 4, generator 3 release high temperature refrigerant vapours enter low pressure generator F2 and drive thermal medium as it, low pressure generator F2 release refrigerant vapour enters condenser A2 and become cryogen liquid after heated medium provides thermic load, concentrated solution enters generator 3 through the 3rd solution pump H2, becomes cryogen liquid after enter condenser A2 after the 3rd choke valve G2 throttling step-down as the refrigerant vapour heat release that drives thermal medium; Condenser A2 provides cryogen liquid through the second choke valve E2 to cryogenic vaporizer C2, and waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter second absorber 2 through cryogenic vaporizer C2 heating cryogen liquid; Condenser A2 provides cryogen liquid through choke valve D2 to high-temperature evaporator B2, and waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorber 1 through high-temperature evaporator B2 heating cryogen liquid; Absorber 1, second absorber 2 and condenser 3 be respectively to the heated medium heat supply, thereby obtain the solution series circulation, segmentation absorbs and have three absorption units of heat supply end economic benefits and social benefits single-stage.

Solution series circulation shown in Figure 6, segmentation absorption also have three absorption units of heat supply end economic benefits and social benefits single-stage, it and difference shown in Figure 5 are: 1. shown in Figure 5 is based on the absorption system of generation-absorption shown in Figure 1-again, and shown in Figure 6 be based on the absorption system of generation-absorption shown in Figure 2-again; 2. among Fig. 5, condenser A2 directly is communicated with cryogenic vaporizer C2 through the second choke valve E2, and condenser A2 directly provides cryogen liquid to cryogenic vaporizer C2; Then be that high-temperature evaporator B2 is communicated with cryogenic vaporizer C2 through the second choke valve E2 among Fig. 6, the cryogen liquid of condenser A2 all entered high-temperature evaporator B2 before this and partly was subjected to thermal evaporation, and remainder enters cryogenic vaporizer C2 through the second choke valve E2 throttling again.

Shown in Figure 7, solution series circulation, segmentation absorb and have three absorption units of heat supply end economic benefits and social benefits single-stage and be achieved in that

1. on the structure, on with the absorption system of generation-absorption shown in Figure 1-again, increase condenser A2, high-temperature evaporator B2, cryogenic vaporizer C2, choke valve D2, the second choke valve E2, low pressure generator F2, the 3rd choke valve G2 and the 3rd solution heat exchanger I2, absorber 1 there is the weak solution pipeline through solution pump 4, solution heat exchanger 6, second solution heat exchanger, 7 connection generators 3 change absorber 1 into has the weak solution pipeline through solution pump 4, solution heat exchanger 6, second solution heat exchanger 7 and the 3rd solution heat exchanger I2 are communicated with generator 3, having the concentrated solution pipeline to change generator 3 into through second solution heat exchanger, 7 connections, second absorber 2 in generator 3 has the concentrated solution pipeline to be communicated with low pressure generator F2 through the 3rd solution heat exchanger I2, low pressure generator F2 has the concentrated solution pipeline to be communicated with second absorber 2 through second solution heat exchanger 7 again, low pressure generator F2 had the cryogen liquid pipeline to be communicated with condenser A2 through the 3rd choke valve G2 again after generator 3 also had refrigerant vapour pipeline connection low pressure generator F2, low pressure generator F2 also has refrigerant vapour pipeline connection condenser A2, condenser A2 has the cryogen liquid pipeline to be communicated with high-temperature evaporator B2 through choke valve D2 again, condenser A2 also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer C2 through the second choke valve E2, high-temperature evaporator B2 also has refrigerant vapour pipeline connection absorber 1, cryogenic vaporizer C2 also has refrigerant vapour pipeline connection second absorber 2, condenser A2 also has heated medium pipeline and external communications, high-temperature evaporator B2, cryogenic vaporizer C2 also have surplus heat respectively medium or cooled medium pipeline and external communications.

2. on the flow process, absorber 1 passes through solution pump 4 again through solution heat exchanger 6, second solution heat exchanger 7, the 3rd solution heat exchanger I2 provides weak solution to generator 3, the concentrated solution of generator 3 provides with as its weak solution to low pressure generator F2 through the 3rd solution heat exchanger I2 again, generator 3 release high temperature refrigerant vapours enter low pressure generator F2 and drive thermal medium as it, low pressure generator F2 release refrigerant vapour enters condenser A2 and become cryogen liquid after heated medium provides thermic load, the concentrated solution of low pressure generator F2 enters second absorber 2 through second solution heat exchanger 7 again, becomes cryogen liquid after the 3rd choke valve G2 throttling enters condenser A2 after reducing as the refrigerant vapour heat release that drives thermal medium; Condenser A2 provides cryogen liquid through the second choke valve E2 to cryogenic vaporizer C2, and waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter second absorber 2 through cryogenic vaporizer C2 heating cryogen liquid; Condenser A2 provides cryogen liquid through choke valve D2 to high-temperature evaporator B2, and waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorber 1 through high-temperature evaporator B2 heating cryogen liquid; Absorber 1, second absorber 2 and condenser 3 be respectively to the heated medium heat supply, thereby obtain the solution series circulation, segmentation absorbs and have three absorption units of heat supply end economic benefits and social benefits single-stage.

Solution series circulation shown in Figure 8, segmentation absorption also have three absorption units of heat supply end economic benefits and social benefits single-stage, it and difference shown in Figure 7 are: 1. shown in Figure 7 is based on the absorption system of generation-absorption shown in Figure 1-again, and shown in Figure 8 be based on the absorption system of generation-absorption shown in Figure 2-again; 2. among Fig. 7, condenser A2 directly is communicated with cryogenic vaporizer C2 through the second choke valve E2, and condenser A2 directly provides cryogen liquid to cryogenic vaporizer C2; Then be that high-temperature evaporator B2 is communicated with cryogenic vaporizer C2 through the second choke valve E2 among Fig. 8, the cryogen liquid of condenser A2 all entered high-temperature evaporator B2 before this and partly was subjected to thermal evaporation, and remainder enters cryogenic vaporizer C2 through the second choke valve E2 throttling again.

Shown in Figure 9, solution circulation in parallel, segmentation absorb and have three absorption units of heat supply end economic benefits and social benefits single-stage and be achieved in that

1. on the structure, based on the absorption system of generation-absorption shown in Figure 2-again, increase condenser A2, high-temperature evaporator B2, cryogenic vaporizer C2, choke valve D2, the second choke valve E2, low pressure generator F2, the 3rd choke valve G2 and the 3rd solution heat exchanger I2, set up the solution pipeline from second absorber 2 through second solution pump 5 and be communicated with low pressure generator F2 through the 3rd solution heat exchanger I2, low pressure generator F2 also has the concentrated solution pipeline to be communicated with second absorber 2 through the 3rd solution heat exchanger I2, low pressure generator F2 had the cryogen liquid pipeline to be communicated with condenser A2 through the 3rd choke valve G2 again after generator 3 had refrigerant vapour pipeline connection low pressure generator F2, low pressure generator F2 also has refrigerant vapour pipeline connection condenser A2, condenser A2 has the cryogen liquid pipeline to be communicated with high-temperature evaporator B2 through choke valve D2 again, high-temperature evaporator B2 also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer C2 through the second choke valve E2, high-temperature evaporator B2 also has refrigerant vapour pipeline connection absorber 1, cryogenic vaporizer C2 also has refrigerant vapour pipeline connection second absorber 2, condenser A2 also has heated medium pipeline and external communications, high-temperature evaporator B2, cryogenic vaporizer C2 also have surplus heat respectively medium or cooled medium pipeline and external communications

2. on the flow process, second absorber 2 provides weak solution through the 3rd solution heat exchanger I2 to generator 3 again by solution pump 5, generator 3 release high temperature refrigerant vapours enter low pressure generator F2 and drive thermal medium as it, low pressure generator F2 release refrigerant vapour enters condenser A2 and become cryogen liquid after heated medium provides thermic load, the concentrated solution of low pressure generator F2 enters second absorber 2 through the 3rd solution heat exchanger I2 again, becomes cryogen liquid after the 3rd choke valve G2 throttling enters condenser A2 after reducing as the refrigerant vapour heat release that drives thermal medium; Condenser A2 provides cryogen liquid through choke valve D2 to high-temperature evaporator B2, and waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorber 1 through high-temperature evaporator B2 heating cryogen liquid; High-temperature evaporator B2 provides cryogen liquid through the second choke valve E2 to cryogenic vaporizer C2, and waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter second absorber 2 through cryogenic vaporizer C2 heating cryogen liquid; Absorber 1, second absorber 2 and condenser 3 be respectively to the heated medium heat supply, thereby obtain solution circulation in parallel, segmentation absorbs and have three absorption units of heat supply end economic benefits and social benefits single-stage.

Shown in Figure 10, solution circulation in parallel, segmentation absorb and have three absorption units of heat supply end economic benefits and social benefits single-stage and be achieved in that

1. on the structure, based on the absorption system of generation-absorption shown in Figure 2-again, increase condenser A2, high-temperature evaporator B2, cryogenic vaporizer C2, choke valve D2, the second choke valve E2, low pressure generator F2, the 3rd choke valve G2 and the 3rd solution heat exchanger I2, self-absorption device 1 is set up the solution pipeline through solution pump 4 and is communicated with low pressure generator F2 through the 3rd solution heat exchanger I2, low pressure generator F2 has the concentrated solution pipeline to be communicated with absorber 1 through the 3rd solution heat exchanger I2 again, low pressure generator F2 had the cryogen liquid pipeline to be communicated with condenser A2 through the 3rd choke valve G2 again after generator 3 had refrigerant vapour pipeline connection low pressure generator F2, low pressure generator F2 also has refrigerant vapour pipeline connection condenser A2, condenser A2 has the cryogen liquid pipeline to be communicated with high-temperature evaporator B2 through choke valve D2 again, condenser A2 also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer C2 through the second choke valve E2, high-temperature evaporator B2 also has refrigerant vapour pipeline connection absorber 1, cryogenic vaporizer C2 also has refrigerant vapour pipeline connection second absorber 2, condenser A2 also has heated medium pipeline and external communications, high-temperature evaporator B2, cryogenic vaporizer C2 also have surplus heat respectively medium or cooled medium pipeline and external communications.

2. on the flow process, absorber 1 provides weak solution through the 3rd solution heat exchanger I2 to low pressure generator F2 again by solution pump 4, generator 3 release high temperature refrigerant vapours enter low pressure generator F2 and drive thermal medium as it, low pressure generator F2 release refrigerant vapour enters condenser A2 and become cryogen liquid after heated medium provides thermic load, the concentrated solution of low pressure generator F2 enters absorber 1 through the 3rd solution heat exchanger I2 again, becomes cryogen liquid after the 3rd choke valve G2 throttling enters condenser A2 after reducing as the refrigerant vapour heat release that drives thermal medium; Condenser A2 provides cryogen liquid through choke valve D2 to high-temperature evaporator B2, and waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorber 1 through high-temperature evaporator B2 heating cryogen liquid; Condenser A2 provides cryogen liquid through the second choke valve E2 to cryogenic vaporizer C2, and waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter second absorber 2 through cryogenic vaporizer C2 heating cryogen liquid; Absorber 1, second absorber 2 and condenser 3 be respectively to the heated medium heat supply, thereby obtain solution circulation in parallel, segmentation absorbs and have three absorption units of heat supply end economic benefits and social benefits single-stage.

Solution shown in Figure 11 circulation in parallel, segmentation absorption also have three absorption units of heat supply end economic benefits and social benefits single-stage, with shown in Figure 10 comparing, Figure 10 is based on the absorption system of generation-absorption shown in Figure 2-again, and Figure 11 is based on the absorption system of generation-absorption shown in Figure 1-again; Self-absorption device 1 is set up the solution pipeline through the 3rd solution heat exchanger I2 connection low pressure generator F2 through solution pump 4 among Figure 10, and low pressure generator F2 has the concentrated solution pipeline to be communicated with absorber 1 through the 3rd solution heat exchanger I2 again; And among Figure 11, self-absorption device 1 is set up the solution pipeline and is communicated with low pressure generator F2 through the 3rd solution heat exchanger I2 behind solution pump 4, solution heat exchanger 6, and low pressure generator F2 has the concentrated solution pipeline to be communicated with second absorber 2 through the 3rd solution heat exchanger I2 again.

Shown in Figure 12, provide refrigerant vapour, segmentation to absorb and two-stage absorption unit with three heat supply ends is achieved in that by absorption-evaporimeter to absorber

1. on the structure, based on the absorption system of generation-absorption shown in Figure 1-again, increase condenser A3, high-temperature evaporator B3, absorption-evaporimeter C3, choke valve D3, the 3rd choke valve E3, the 3rd solution heat exchanger F3, cryogenic vaporizer b3, the second absorption-evaporimeter c3, the second choke valve d3, the 4th choke valve e3, the 4th solution heat exchanger f3 and the 3rd solution pump g3; Absorber 1 there is the weak solution pipeline through solution pump 4, solution heat exchanger 6, second solution heat exchanger, 7 connection generators 3 change absorber 1 into has weak solution pipeline absorption-evaporimeter C3 after the 3rd solution heat exchanger F3 is communicated with absorption-evaporation C3 the weak solution pipeline to be arranged again through solution pump 4, the 3rd solution heat exchanger F3, solution heat exchanger 6, second solution heat exchanger 7 is communicated with generators 3, and sets up weak solution pipeline second absorption-evaporimeter c3 after the 4th solution heat exchanger f3 is communicated with the second absorption-evaporimeter c3 by absorber 1 and the weak solution pipeline is arranged through the 3rd solution pump g3 again, connect self-absorption-evaporimeter C3 behind the 4th solution heat exchanger f3 and connect solution pump 4, solution pipeline after the 3rd solution heat exchanger F3; Generator 3 also has refrigerant vapour pipeline connection condenser A3, condenser A3 also has the cryogen liquid pipeline to be communicated with high-temperature evaporator B3 and to be communicated with cryogenic vaporizer b3 through the second choke valve d3 through choke valve D3 respectively, high-temperature evaporator B3 also has refrigerant vapour pipeline connection absorption-evaporimeter C3, cryogenic vaporizer b3 also has the refrigerant vapour pipeline connection second absorption-evaporimeter c3, condenser A3 also has cryogen liquid pipeline absorption-evaporimeter C3 after the 3rd choke valve E3 is communicated with absorption-evaporimeter C3 that refrigerant vapour pipeline connection absorber 1 is arranged again, condenser A3 also has cryogen liquid pipeline second absorption-evaporimeter c3 after the 4th choke valve e3 is communicated with the second absorption-evaporimeter c3 that refrigerant vapour pipeline connection second absorber 2 is arranged again, condenser A3 also has heated medium pipeline and external communications, high-temperature evaporator B3, cryogenic vaporizer b3 also have surplus heat respectively medium or cooled medium pipeline and external communications.

2. on the flow process, generator 3 release high temperature refrigerant vapours enter condenser A3 and heat release becomes cryogen liquid behind heated medium, waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter C3 through high-temperature evaporator B3 heating cryogen liquid, absorber 1 provides solution through the 3rd solution heat exchanger F3 to absorption-evaporimeter C3, absorption is from the refrigerant vapour of high-temperature evaporator B3 and heat flow through another road cryogen liquid of absorption-evaporimeter C3 of self cooling condenser A3 become refrigerant vapour to provide to absorber 1 after the 3rd choke valve E3 throttling, and the weak solution of absorption-evaporimeter C3 is through solution pump 4, the 3rd solution heat exchanger F3, solution heat exchanger 6, second solution heat exchanger 7 enters generator 3; Condenser A3 provides cryogen liquid through the second choke valve d3 to cryogenic vaporizer b3, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter c3 through cryogenic vaporizer C3 heating cryogen liquid, absorber 1 provides solution through the 4th solution heat exchanger f3 to the second absorption-evaporimeter c3, absorption is from the refrigerant vapour of cryogenic vaporizer b3 and heat the flow through cryogen liquid of the second absorption-evaporimeter c3 of self cooling condenser A3 become refrigerant vapour to provide to second absorber 2 after the 4th choke valve e3 throttling, and the weak solution of the second absorption-evaporimeter c3 is through the 4th solution pump g3, behind the 4th solution heat exchanger f3 with come the weak solution of self-absorption-evaporimeter C3 to converge, again through solution heat exchanger 6, second solution heat exchanger 7 enters generator 3; Absorber 1, second absorber 2 and condenser A3 be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour, segmentation to absorb and have the two-stage absorption unit of three heat supply ends by absorption-evaporimeter to absorber.

Shown in Figure 13, provide refrigerant vapour, segmentation to absorb and two-stage absorption unit with three heat supply ends is achieved in that by absorption-evaporimeter to absorber

1. on the structure, based on the absorption system of generation-absorption shown in Figure 2-again, increase condenser A3, high-temperature evaporator B3, absorption-evaporimeter C3, choke valve D3, cryogen liquid pump G3, the 3rd solution heat exchanger F3, cryogenic vaporizer b3, the second absorption-evaporimeter c3, the second choke valve d3, the second cryogen liquid pump h3, the 4th solution heat exchanger f3 and the 3rd solution pump g3; Second absorber 2 there is the weak solution pipeline through solution heat exchanger 6, second solution pump, 5 connection absorbers 1 change second absorber 2 into has weak solution pipeline absorption-evaporimeter C3 after the 3rd solution heat exchanger F3 is communicated with absorption-evaporimeter C3 the weak solution pipeline to be arranged again through second solution pump 5, the 3rd solution heat exchanger F3 and solution heat exchanger 6 is communicated with absorbers 1, and sets up weak solution pipeline second absorption-evaporimeter c3 after the 4th solution heat exchanger f3 is communicated with the second absorption-evaporimeter c3 by second absorber 2 and the weak solution pipeline is arranged through the 3rd solution pump g3 again, connect self-absorption-evaporimeter C3 behind the 4th solution heat exchanger f3 and connect solution pump 4, solution pipeline after the 3rd solution heat exchanger F3; Generator 3 also has refrigerant vapour pipeline connection condenser A3, condenser A3 also has the cryogen liquid pipeline to be communicated with high-temperature evaporator B3 and to be communicated with cryogenic vaporizer b3 through the second choke valve d3 through choke valve D3 respectively, high-temperature evaporator B3 also has refrigerant vapour pipeline connection absorption-evaporimeter C3, cryogenic vaporizer b3 also has the refrigerant vapour pipeline connection second absorption-evaporimeter c3, high-temperature evaporator B3 also has cryogen liquid pipeline absorption-evaporimeter C3 after cryogen liquid pump G3 is communicated with absorption-evaporimeter C3 that refrigerant vapour pipeline connection absorber 1 is arranged again, cryogenic vaporizer b3 second absorption-evaporimeter c3 after the second cryogen liquid pump h3 is communicated with the second absorption-evaporimeter c3 has refrigerant vapour pipeline connection second absorber 2 again, condenser A3 also has heated medium pipeline and external communications, high-temperature evaporator B3, cryogenic vaporizer b3 also have surplus heat respectively medium or cooled medium pipeline and external communications.

2. on the flow process, generator 3 release high temperature refrigerant vapours enter condenser A3 and heat release becomes cryogen liquid behind heated medium, waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter C3 through high-temperature evaporator B3 heating cryogen liquid, second absorber 2 provides solution through the 3rd solution heat exchanger F3 to absorption-evaporimeter C3, absorption becomes refrigerant vapour to provide to absorber 1 from the refrigerant vapour of high-temperature evaporator B3 and heating from flow through after cryogen liquid pump G3 pressurization another road cryogen liquid of absorption-evaporimeter C3 of high-temperature evaporator B3, and the weak solution of absorption-evaporimeter C3 is through second solution pump 5, the 3rd solution heat exchanger F3, solution heat exchanger 6 enters absorber 1; Condenser A3 provides cryogen liquid through the second choke valve d3 to cryogenic vaporizer b3, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter c3 through cryogenic vaporizer b3 heating cryogen liquid, second absorber 2 provides solution through the 4th solution heat exchanger f3 to the second absorption-evaporimeter c3, absorption becomes refrigerant vapour to provide to second absorber 2 from the refrigerant vapour of cryogenic vaporizer b3 and heating from flow through after the second cryogen liquid pump h3 pressurization cryogen liquid of the second absorption-evaporimeter c3 of cryogenic vaporizer b3, and the weak solution of the second absorption-evaporimeter c3 is through the 3rd solution pump g3, join with the weak solution of coming self-absorption-evaporimeter C3 behind the 4th solution heat exchanger f3, enter absorber 1 through solution heat exchanger 6 again; Absorber 1, second absorber 2 and condenser A3 be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour, segmentation to absorb and have the two-stage absorption unit of three heat supply ends by absorption-evaporimeter to absorber.

Shown in Figure 14 provide refrigerant vapour, segmentation to absorb and two-stage absorption unit with three heat supply ends is achieved in that to absorber jointly by absorption-evaporimeter and low pressure generator

1. on the structure, based on the absorption system of generation-absorption shown in Figure 1-again, increase condenser A4, high-temperature evaporator B4, absorption-evaporimeter C4, low pressure generator D4, the 3rd solution pump E4, choke valve F4, the 3rd choke valve G4, the 3rd solution heat exchanger H4, cryogenic vaporizer b4, the second absorption-evaporimeter c4, the second low pressure generator d4, the 4th solution pump e4, the second choke valve f4, the 4th choke valve g4 and the 4th solution heat exchanger h4, generator 3 has refrigerant vapour pipeline connection condenser A4; Condenser A4 also has the cryogen liquid pipeline to be communicated with high-temperature evaporator B4 through choke valve F4, high-temperature evaporator B4 also has refrigerant vapour pipeline connection absorption-evaporimeter C4, absorption-evaporimeter C4 also has the weak solution pipeline through the 3rd solution pump E4, the 3rd solution heat exchanger H4 is communicated with low pressure generator D4, low pressure generator D4 has the concentrated solution pipeline to be communicated with absorption-evaporimeter C4 through the 3rd solution heat exchanger H4 again, condenser A4 also has cryogen liquid pipeline absorption-evaporimeter C4 after the 3rd choke valve G4 is communicated with absorption-evaporimeter C4 that refrigerant vapour pipeline connection absorber 1 is arranged again, and low pressure generator D4 also has refrigerant vapour pipeline connection absorber 1; Condenser A4 also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer b4 through the second choke valve f4, cryogenic vaporizer b4 also has the refrigerant vapour pipeline connection second absorption-evaporimeter c4, second absorption-evaporimeter the c4 also has the weak solution pipeline through the 4th solution pump e4, the 4th solution heat exchanger h4 is communicated with the second low pressure generator d4, the second low pressure generator d4 has the concentrated solution pipeline to be communicated with the second absorption-evaporimeter c4 through the 4th solution heat exchanger h4 again, condenser A4 also has cryogen liquid pipeline second absorption-evaporimeter c4 after the 4th choke valve g4 is communicated with the second absorption-evaporimeter c4 to have refrigerant vapour pipeline connection second absorber 2, the second low pressure generator d4 to also have refrigerant vapour pipeline connection second absorber 2 again; Low pressure generator D4, the second low pressure generator d4 also have the thermal medium pipeline of driving and external communications respectively, condenser A4 also has heated medium pipeline and external communications, high-temperature evaporator B4 and cryogenic vaporizer b4 also have surplus heat respectively medium or cooled medium pipeline and external communications.

2. on the flow process, generator 3 release high temperature refrigerant vapours enter condenser A4 and heat release becomes cryogen liquid behind heated medium, condenser A4 provides cryogen liquid through choke valve F4 to high-temperature evaporator B4, waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter C4 through high-temperature evaporator B4 heating cryogen liquid, the refrigerant vapour that enters absorption-evaporimeter C4 is absorbed by the solution from low pressure generator D4 and heat the flow through cryogen liquid of absorption-evaporimeter C4 of self cooling condenser A4 after the 3rd choke valve G4 throttling and becomes refrigerant vapour to provide to absorber 1, the weak solution of absorption-evaporimeter C4 is through the 3rd solution pump E4, the 3rd solution heat exchanger H4 enters low pressure generator D4, the solution release refrigerant vapour that the heating of driving thermal medium enters low pressure generator D4 provides to absorber 1, and the concentrated solution of low pressure generator D4 is got back to absorption-evaporimeter C4 through the 3rd solution heat exchanger H4; Condenser A4 provides cryogen liquid through the second choke valve f4 to cryogenic vaporizer b4, waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter the second absorption-evaporimeter c4 through cryogenic vaporizer b4 heating cryogen liquid, the refrigerant vapour that enters the second absorption-evaporimeter c4 is absorbed by the solution from the second low pressure generator d4 and heat the flow through cryogen liquid of the second absorption-evaporimeter c4 of self cooling condenser A4 after the 4th choke valve g4 throttling and becomes refrigerant vapour to provide to second absorber 2, the weak solution of the second absorption-evaporimeter c4 is through the 4th solution pump e4, the 4th solution heat exchanger h4 enters the second low pressure generator d4, the solution release refrigerant vapour that the heating of driving thermal medium enters the second low pressure generator d4 provides to second absorber 2, and the concentrated solution of the second low pressure generator d4 is got back to the second absorption-evaporimeter c4 through the 4th solution heat exchanger h4; Absorber 1, second absorber 2 and condenser A4 be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour, segmentation to absorb and have the two-stage absorption unit of three heat supply ends to absorber jointly by absorption-evaporimeter and low pressure generator.

Shown in Figure 15 provide refrigerant vapour, segmentation to absorb and two-stage absorption unit with three heat supply ends is achieved in that to absorber jointly by absorption-evaporimeter and low pressure generator

1. on the structure, based on the absorption system of generation-absorption shown in Figure 2-again, increase condenser A4, high-temperature evaporator B4, absorption-evaporimeter C4, low pressure generator D4, the 3rd solution pump E4, choke valve F4, the 3rd solution heat exchanger H4, cryogen liquid pump I4, cryogenic vaporizer b4, the second absorption-evaporimeter c4, the second low pressure generator d4, the 4th solution pump e4, the second choke valve f4, the 4th solution heat exchanger h4 and the second cryogen liquid pump i4, generator 3 has refrigerant vapour pipeline connection condenser A4; Condenser A4 also has the cryogen liquid pipeline to be communicated with high-temperature evaporator B4 through choke valve F4, high-temperature evaporator B4 also has refrigerant vapour pipeline connection absorption-evaporimeter C4, absorption-evaporimeter C4 also has the weak solution pipeline through the 3rd solution pump E4, the 3rd solution heat exchanger H4 is communicated with low pressure generator D4, low pressure generator D4 has the concentrated solution pipeline to be communicated with absorption-evaporimeter C4 through the 3rd solution heat exchanger H4 again, high-temperature evaporator B4 also has cryogen liquid pipeline absorption-evaporimeter C4 after cryogen liquid pump I4 is communicated with absorption-evaporimeter C4 that refrigerant vapour pipeline connection absorber 1 is arranged again, and low pressure generator D4 also has refrigerant vapour pipeline connection absorber 1; Condenser A4 also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer b4 through the second choke valve f4, cryogenic vaporizer b4 also has the refrigerant vapour pipeline connection second absorption-evaporimeter c4, second absorption-evaporimeter the c4 also has the weak solution pipeline through the 4th solution pump e4, the 4th solution heat exchanger h4 is communicated with the second low pressure generator d4, the second low pressure generator d4 has the concentrated solution pipeline to be communicated with the second absorption-evaporimeter c4 through the 4th solution heat exchanger h4 again, cryogenic vaporizer b4 also has cryogen liquid pipeline second absorption-evaporimeter c4 after the second cryogen liquid pump i4 is communicated with the second absorption-evaporimeter c4 to have refrigerant vapour pipeline connection second absorber 2, the second low pressure generator d4 to also have refrigerant vapour pipeline connection second absorber 2 again; Low pressure generator D4, the second low pressure generator d4 also have heated medium pipeline and external communications respectively, condenser A4 also has heated medium pipeline and external communications, high-temperature evaporator B4 and cryogenic vaporizer b4 also have surplus heat respectively medium or cooled medium pipeline and external communications.

2. on the flow process, generator 3 release high temperature refrigerant vapours enter condenser A4 and heat release becomes cryogen liquid behind heated medium, condenser A4 provides cryogen liquid through choke valve F4 to high-temperature evaporator B4, waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter C4 through high-temperature evaporator B4 heating cryogen liquid, the refrigerant vapour that enters absorption-evaporimeter C4 is absorbed by the solution from low pressure generator D4 and heating becomes refrigerant vapour to provide to absorber 1 from flow through after the cryogen liquid pump I4 pressurization cryogen liquid of absorption-evaporimeter C4 of high-temperature evaporator B4, the weak solution of absorption-evaporimeter C4 is through the 3rd solution pump E4, the 3rd solution heat exchanger H4 enters low pressure generator D4, the solution release refrigerant vapour that the heating of driving thermal medium enters low pressure generator D4 provides to absorber 1, and the concentrated solution of low pressure generator D4 is got back to absorption-evaporimeter C4 through the 3rd solution heat exchanger H4; Condenser A4 provides cryogen liquid through the second choke valve f4 to cryogenic vaporizer b4, waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter the second absorption-evaporimeter c4 through cryogenic vaporizer b4 heating cryogen liquid, the refrigerant vapour that enters the second absorption-evaporimeter c4 is absorbed by the solution from the second low pressure generator d4 and heating becomes refrigerant vapour to provide to second absorber 2 from flow through behind the second cryogen liquid pump i4 cryogen liquid of the second absorption-evaporimeter c4 of cryogenic vaporizer b4, the weak solution of the second absorption-evaporimeter c4 is through the 4th solution pump e4, the 4th solution heat exchanger h4 enters the second low pressure generator d4, the solution release refrigerant vapour that the heating of driving thermal medium enters the second low pressure generator d4 provides to second absorber 2, and the concentrated solution of the second low pressure generator d4 is got back to the second absorption-evaporimeter c4 through the 4th solution heat exchanger h4; Absorber 1, second absorber 2 and condenser A4 be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour, segmentation to absorb and have the two-stage absorption unit of three heat supply ends to absorber jointly by absorption-evaporimeter and low pressure generator.

Shown in Figure 16 provide refrigerant vapour, segmentation to absorb and two-stage absorption unit with four heat supply ends is achieved in that to absorber by low pressure generator

1. on the structure, based on the absorption system of generation-absorption shown in Figure 1-again, increase condenser A5, high-temperature evaporator B5, cryogenic vaporizer C5, choke valve D5, the second choke valve E5, high-temperature generator F5, high temperature absorber G5, the 3rd solution pump H5 and the 3rd solution heat exchanger I5, generator 3 has refrigerant vapour pipeline connection high temperature absorber G5, high temperature absorber G5 also has the weak solution pipeline through the 3rd solution pump H5, the 3rd solution heat exchanger I5 is communicated with high-temperature generator F5, high-temperature generator F5 also has the concentrated solution pipeline to be communicated with high temperature absorber G5 through the 3rd solution heat exchanger I5, high-temperature generator F5 also has refrigerant vapour pipeline connection condenser A5 respectively and the thermal medium pipeline of driving and external communications is arranged, condenser A5 has the cryogen liquid pipeline to be communicated with high-temperature evaporator B5 through choke valve D5 again, condenser A5 also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer C5 through the second choke valve E5, high-temperature evaporator B5 also has the refrigerant vapour pipeline to be communicated with absorber 1, cryogenic vaporizer C5 also has refrigerant vapour pipeline connection second absorber 2, condenser A5 and high temperature absorber G5 also have heated medium pipeline and external communications, high-temperature evaporator B1 respectively, cryogenic vaporizer C1 also have surplus heat respectively medium or cooled medium pipeline and external communications.

2. on the flow process, generator 3 provides refrigerant vapour, is absorbed also heat release in heated medium by the solution from high-temperature generator F5 to high temperature absorber G5, the weak solution of high temperature absorber G5 enters high-temperature generator F5 through the 3rd solution pump H5, the 3rd solution heat exchanger I5, the solution release refrigerant vapour that the heating of driving thermal medium enters high-temperature generator F5 provides to condenser A5, and concentrated solution enters high temperature absorber G5 through the 3rd solution heat exchanger I5; The refrigerant vapour heat release that enters condenser A5 becomes cryogen liquid in heated medium, and a part enters high-temperature evaporator B5 through choke valve D5 throttling, and another part enters cryogenic vaporizer C5 through the second choke valve E5 throttling; Waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter second absorber 2 through cryogenic vaporizer C5 heating cryogen liquid, and waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorber 1 through high-temperature evaporator B5 heating cryogen liquid; Absorber 1, second absorber 2, high temperature absorber G5 and condenser A5 obtain providing refrigerant vapour, segmentation to absorb and have the two-stage absorption unit of four heat supply ends by low pressure generator to absorber respectively to the heated medium heat supply.

Shown in Figure 17 provides refrigerant vapour, segmentation to absorb and have the two-stage absorption unit of four heat supply ends by low pressure generator to absorber, it and difference shown in Figure 16 are: 1. shown in Figure 16 is based on the absorption system of generation-absorption shown in Figure 1-again, and shown in Figure 17 be based on the absorption system of generation-absorption shown in Figure 2-again; 2. among Figure 16, condenser A5 directly is communicated with cryogenic vaporizer C5 through the second choke valve E5, and condenser A5 directly provides cryogen liquid to cryogenic vaporizer C5; Then be that high-temperature evaporator B5 is communicated with cryogenic vaporizer C5 through the second choke valve E5 among Figure 17, the cryogen liquid of condenser A5 all entered high-temperature evaporator B5 before this and partly was subjected to thermal evaporation, and remainder enters cryogenic vaporizer C5 through the second choke valve E5 throttling again.

Segmentation shown in Figure 180 absorbs, be achieved in that to the two-stage absorption unit that absorber provides refrigerant vapour and has five heat supply ends by low pressure generator

Absorb in segmentation shown in Figure 16, refrigerant vapour is provided and has in the two-stage absorption unit of four heat supply ends to absorber by low pressure generator, increase by the second condenser J5 and the 3rd choke valve K5 again, set up the refrigerant vapour pipeline connection second condenser J5 by generator 3, having the cryogen liquid pipeline to change condenser A5 into through the second choke valve E2 connection cryogenic vaporizer C5 condenser A5 has cryogen liquid pipeline second condenser J5 after the second choke valve E5 is communicated with the second condenser J5 to have the cryogen liquid pipeline to be communicated with cryogenic vaporizer C5 through the 3rd choke valve K5 again, and the second condenser J5 also has heated medium pipeline and external communications; Absorber 1, second absorber 2, the second condenser J5, high temperature absorber G5 and condenser A5 be respectively to the heated medium heat supply, obtains segmentation and absorb, refrigerant vapour be provided and have the two-stage absorption unit of five heat supply ends to absorber by low pressure generator.

Segmentation shown in Figure 19 absorbs, be achieved in that to the two-stage absorption unit that absorber provides refrigerant vapour and has five heat supply ends by low pressure generator

Absorb in segmentation shown in Figure 17, refrigerant vapour is provided and has in the two-stage absorption unit of four heat supply ends to absorber by low pressure generator, increase by the second condenser J5 and the 3rd choke valve K5 again, set up the refrigerant vapour pipeline connection second condenser J5 by generator 3, having the cryogen liquid pipeline to change condenser A5 into through choke valve D5 connection high-temperature evaporator B5 condenser A5 has cryogen liquid pipeline second condenser J5 after choke valve D5 is communicated with the second condenser J5 to have the cryogen liquid pipeline to be communicated with high-temperature evaporator B5 through the 3rd choke valve K5 again, and the second condenser J5 also has heated medium pipeline and external communications; Absorber 1, second absorber 2, the second condenser J5, high temperature absorber G5 and condenser A5 be respectively to the heated medium heat supply, obtains segmentation and absorb, refrigerant vapour be provided and have the two-stage absorption unit of five heat supply ends to absorber by low pressure generator.

Shown in Figure 20, the absorption unit of segmentation absorption-type single-stage of additional high-temperature heat supply end is achieved in that

1. on the structure, in the absorption unit of segmentation absorption-type single-stage as shown in Figure 4, increase absorber a, absorption-evaporimeter b, solution pump c, choke valve d and solution heat exchanger e with three heat supply ends; For providing the pipeline of solution to change into, it is communicated with newly-increased absorber a with being communicated with generator 3, newly-increased absorber a has the weak solution pipeline to be communicated with newly-increased absorption-evaporimeter b through newly-increased solution heat exchanger e again, newly-increased absorption-evaporimeter b also has the concentrated solution pipeline to be communicated with generator 3 through newly-increased solution pump c and newly-increased solution heat exchanger e again, condenser A1 has cryogen liquid pipeline newly-increased absorption-evaporimeter b after newly-increased choke valve d is communicated with newly-increased absorption-evaporimeter b to have the refrigerant vapour pipeline connection to increase absorber a newly again, cryogenic vaporizer C1 sets up the newly-increased absorption-evaporimeter b of refrigerant vapour pipeline connection, and newly-increased absorber a also has heated medium pipeline and external communications.

2. on the flow process, absorber 1 provides solution by solution pump 4 and through second solution heat exchanger 7 to newly-increased absorber a, and cryogenic vaporizer C1 provides refrigerant vapour to newly-increased absorption-evaporimeter b; The refrigerant vapour that enters newly-increased absorptions-evaporimeter b is absorbed by the solution from newly-increased absorber a and heat release becomes the refrigerant vapour of higher temperature to provide to newly-increased absorber a in flow through after the newly-increased choke valve d throttling cryogen liquid of newly-increased absorber a of self cooling condenser A1, the refrigerant vapour quilt that enters newly-increased absorber a from the solution absorption of absorber 1 also heat release in heated medium; The weak solution of newly-increased absorption-evaporimeter b enters generator 3 by newly-increased solution pump c and through newly-increased solution heat exchanger e, drive that solution release refrigerant vapour that the thermal medium heating enters generator 3 from newly-increased absorptions-evaporimeter b enters condenser A1 and heat release becomes cryogen liquid in heated medium, part cryogen liquid is flowed through after newly-increased choke valve d throttling and is increased absorption-evaporimeter b newly, and another part enters cryogenic vaporizer C1 and absorbs heat into refrigerant vapour and provide to newly-increased absorption-evaporimeter b behind choke valve D1, high-temperature evaporator B1, the second choke valve E1; Newly-increased absorber a becomes the newly-increased high-temperature heat supply end of unit, thereby obtains the absorption unit of segmentation absorption-type of additional high-temperature heat supply end.

Shown in Figure 21, the absorption unit of segmentation absorption-type single-stage of additional high-temperature heat supply end is achieved in that

In the absorption unit of segmentation absorption-type single-stage as shown in Figure 3, increase absorber a, absorption-evaporimeter b, solution pump c, solution heat exchanger e and cryogen liquid pump f with three heat supply ends; Set up the newly-increased absorber a of concentrated solution pipeline connection from generator 3, newly-increased absorber a has the weak solution pipeline to be communicated with newly-increased absorption-evaporimeter b through newly-increased solution heat exchanger e again, newly-increased absorption-evaporimeter b also has the concentrated solution pipeline to be communicated with generator 3 through newly-increased solution pump c and newly-increased solution heat exchanger e again, high-temperature evaporator B1 has cryogen liquid pipeline newly-increased absorption-evaporimeter b after newly-increased cryogen liquid pump f is communicated with newly-increased absorption-evaporimeter b to have the refrigerant vapour pipeline connection to increase absorber a newly again, set up the newly-increased absorption-evaporimeter b of refrigerant vapour pipeline connection by high-temperature evaporator B1, newly-increased absorber a also has heated medium pipeline and external communications; Refrigerant vapour from cryogenic vaporizer C1 enters newly-increased absorption-evaporimeter b, is become the refrigerant vapour of higher temperature to provide to newly-increased absorber a by solution absorption and heat release from newly-increased absorber a in the cryogen liquid of the newly-increased absorber a that flows through, the refrigerant vapour that enters newly-increased absorber a is absorbed also heat release in heated medium by the solution from generator 3, newly-increased absorber a becomes the newly-increased high-temperature heat supply end of unit, thereby obtains the absorption unit of segmentation absorption-type of additional high-temperature heat supply end.

Particularly point out:

1. the absorption unit of sectional type of Figure 20 and additional high-temperature heat supply end shown in Figure 21, they are two representatives of the absorption unit of sectional type of additional high-temperature heat supply end, also are the examples of the additional high-temperature heat supply end of above-mentioned other each segmentation absorption-type unit; Same method is applicable to above-mentioned each segmentation absorption-type unit, obtains the absorption unit of the high temperature modification first kind of additional high temperature heat pump flow process accordingly.

2. condenser has the cryogen liquid pipeline to be communicated with high-temperature evaporator and to be communicated with cryogenic vaporizer through second choke valve through choke valve respectively, and condenser has the cryogen liquid pipeline to be communicated with high-temperature evaporator, high-temperature evaporator through choke valve to have the cryogen liquid pipeline to be communicated with cryogenic vaporizer through second choke valve again, and these two kinds of connected modes are applicable to above-mentioned each concrete unit.

Absorption system of the effect that the technology of the present invention can realize---generation-absorption proposed by the invention-again and the absorption unit of segmentation absorption-type have following effect and advantage:

1. the absorption system of the generation-absorption of Ti Chuing-again, flow process is reasonable, and is simple in structure.

2. the absorption unit of segmentation absorption-type of Ti Chuing, can be at the temperature requirement that keeps reducing under the constant substantially prerequisite of unit performance index to waste heat medium or cooled medium, this all has bigger practical significance in UTILIZATION OF VESIDUAL HEAT IN and refrigeration---and can reduce the input that drives heat when adopting heat pump to carry out UTILIZATION OF VESIDUAL HEAT IN, thereby improve utilization rate of waste heat; Can be used in the refrigeration and reduce the temperature requirement that drives heat and reduce the input that drives heat.

3. can promote the heat supply temperature of unit by a small margin.

4. enrich the type of absorption unit, can realize the mutual coupling between unit and the user's request better.

In a word, the present invention can realize the degree of depth utilization to the waste heat medium, can improve the value of residual heat resources, reduces driving the temperature requirement and the input of thermal medium; Enriched the type of absorption unit, realize the mutual coupling of unit heat supply and user's request better, be particularly suitable for adopting the relatively large occasion of residual heat resources amount range of temperature less relatively or cooled medium, have good creativeness, novelty and practicality.

Claims

1. the absorption system of generation-absorption-again, by absorber, second absorber, generator, solution pump, second solution pump, the solution heat exchanger and second solution heat exchanger are formed, or absorber (1) has the weak solution pipeline through solution pump (4), solution heat exchanger (6) and second solution heat exchanger (7) are communicated with generator (3), generator (3) has concentrated solution pipeline second absorber (2) after second solution heat exchanger (7) is communicated with second absorber (2) to have the weak solution pipeline to be communicated with absorber (1) through solution heat exchanger (6) and second solution pump (5) more again, or absorber (1) has the weak solution pipeline to be communicated with generator (3) through solution pump (4) and second solution heat exchanger (7), generator (3) has the concentrated solution pipeline again through second solution heat exchanger (7), solution heat exchanger (6) is communicated with second absorber (2) back second absorber (2) has the concentrated solution pipeline again through second solution pump (5), solution heat exchanger (6) is communicated with absorber (1), generator (3) also has the refrigerant vapour pipeline respectively and drives thermal medium pipeline and external communications, absorber (1), second absorber (2) also has refrigerant vapour pipeline and external communications respectively, absorber (1), second absorber (2) also has heated medium pipeline and external communications respectively; The refrigerant vapour of outside higher temperature enters absorber (1) and is absorbed also heat release in heated medium by the solution from second absorber (2), the refrigerant vapour of outside lower temperature enters second absorber (2) and is absorbed also heat release in heated medium by the solution from generator (3), drive that the solution that the thermal medium heating enters generator (3) discharges the high temperature refrigerant vapour, solution concentration is improved, form the absorption system of generation-absorption-again.

2. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A1), high-temperature evaporator (B1), cryogenic vaporizer (C1), choke valve (D1) and second choke valve (E1), generator (3) has refrigerant vapour pipeline connection condenser (A1), condenser (A1) has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B1) through choke valve (D1) again, condenser (A1) or high-temperature evaporator (B1) also have the cryogen liquid pipeline to be communicated with cryogenic vaporizer (C1) through second choke valve (E1), high-temperature evaporator (B1) also has refrigerant vapour pipeline connection absorber (1), cryogenic vaporizer (C1) also has refrigerant vapour pipeline connection second absorber (2), condenser (A1) also has heated medium pipeline and external communications, high-temperature evaporator (B1), cryogenic vaporizer (C1) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to provide to absorber (1) through high-temperature evaporator (B1) heating cryogen liquid, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to provide to second absorber (2) through cryogenic vaporizer (C1) heating cryogen liquid, driving heat medium flow provides to condenser (A1) through generator (3) heated solution release high temperature refrigerant vapour, absorber (1), second absorber (2) and condenser (A1) be respectively to the heated medium heat supply, thereby obtain the absorption unit of single-stage that segmentation absorbs and have three heat supply ends.

3. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase parts and constitute the solution series circulation, segmentation absorbs and has the absorption unit of economic benefits and social benefits single-stage of three heat supply ends---or increase condenser (A2), high-temperature evaporator (B2), cryogenic vaporizer (C2), choke valve (D2), second choke valve (E2), low pressure generator (F2), the 3rd choke valve (G2) and the 3rd solution pump (H2), or absorber (1) there is the weak solution pipeline through solution pump (4), solution heat exchanger (6), second solution heat exchanger (7) connection generator (3) changes absorber (1) into has the weak solution pipeline through solution pump (4), solution heat exchanger (6), second solution heat exchanger (7) is communicated with low pressure generator (F2) back low pressure generator (F2) has the concentrated solution pipeline to be communicated with generator (3) through the 3rd solution pump (H2) again, or absorber (1) is had the weak solution pipeline through solution pump (4), second solution heat exchanger (7) connection generator (3) changes absorber (1) into has weak solution pipeline low pressure generator (F2) after solution pump (4) second solution heat exchangers (7) are communicated with low pressure generators (F2) to have the concentrated solution pipeline to be communicated with generator (3) through the 3rd solution pump (H2) again; Or increase condenser (A2), high-temperature evaporator (B2), cryogenic vaporizer (C2), choke valve (D2), second choke valve (E2), low pressure generator (F2), the 3rd choke valve (G2) and the 3rd solution heat exchanger (I2), or absorber (1) there is the weak solution pipeline through solution pump (4), solution heat exchanger (6), second solution heat exchanger (7) connection generator (3) changes absorber (1) into has the weak solution pipeline through solution pump (4), solution heat exchanger (6), second solution heat exchanger (7) and the 3rd solution heat exchanger (I2) are communicated with generator (3) and have the concentrated solution pipeline to change generator (3) into through second solution heat exchanger (7) connection second absorber (2) in generator (3) has the concentrated solution pipeline to be communicated with low pressure generator (F2) through the 3rd solution heat exchanger (I2), low pressure generator (F2) has the concentrated solution pipeline to be communicated with second absorber (2) through second solution heat exchanger (7) again, or absorber (1) is had the weak solution pipeline through solution pump (4), second solution heat exchanger (7) connection generator (3) changes absorber (1) into has the weak solution pipeline through solution pump (4), second solution heat exchanger (7), the 3rd solution heat exchanger (I2) is communicated with generator (3) and generator (3) is had the concentrated solution pipeline through second solution heat exchanger (7), solution heat exchanger (6) connection second absorber (2) changes generator (3) into has the concentrated solution pipeline to be communicated with low pressure generator (F2) through the 3rd solution heat exchanger (I2), low pressure generator (F2) has the concentrated solution pipeline again through second solution heat exchanger (7), solution heat exchanger (6) is communicated with second absorber (2); Generator (3) also has refrigerant vapour pipeline connection low pressure generator (F2) back low pressure generator (F2) to have the cryogen liquid pipeline to be communicated with condenser (A2) through the 3rd choke valve (G2) again, low pressure generator (F2) also has refrigerant vapour pipeline connection condenser (A2), condenser (A2) has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B2) through choke valve (D2) again, condenser (A2) or high-temperature evaporator (B2) also have the cryogen liquid pipeline to be communicated with cryogenic vaporizer (C2) through second choke valve (E2), high-temperature evaporator (B2) also has refrigerant vapour pipeline connection absorber (1), cryogenic vaporizer (C2) also has refrigerant vapour pipeline connection second absorber (2), condenser (A2) also has heated medium pipeline and external communications, high-temperature evaporator (B2), cryogenic vaporizer (C2) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to provide to absorber (1) through high-temperature evaporator (B2) heating cryogen liquid, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to provide to second absorber (2) through cryogenic vaporizer (C2) heating cryogen liquid, drive heat medium flow and enter low pressure generator (F2) through generator (3) heated solution release high temperature refrigerant vapour, the solution release refrigerant vapour that enters low pressure generator (F2) as its driving thermal medium heating enters condenser (A2), absorber (1), second absorber (2) and condenser (A2) circulate thereby obtain solution series respectively to the heated medium heat supply, the segmentation absorption also has three absorption units of heat supply end economic benefits and social benefits single-stage.

4. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase parts and constitute solution circulation in parallel, segmentation absorbs and has the absorption unit of economic benefits and social benefits single-stage of three heat supply ends---increase condenser (A2), high-temperature evaporator (B2), cryogenic vaporizer (C2), choke valve (D2), second choke valve (E2), low pressure generator (F2), the 3rd choke valve (G2) and the 3rd solution heat exchanger (I2), or self-absorption device (1) is through solution pump (4) or set up the solution pipeline again be communicated with low pressure generator (F2) through the 3rd solution heat exchanger (I2) behind solution heat exchanger (6), or from second absorber (2) through second solution pump (5) or set up the solution pipeline through solution heat exchanger (6) again and be communicated with low pressure generator (F2) through the 3rd solution heat exchanger (I2), low pressure generator (F2) also has the concentrated solution pipeline to be communicated with absorber (1) or second absorber (2) through the 3rd solution heat exchanger (I2), generator (3) has refrigerant vapour pipeline connection low pressure generator (F2) back low pressure generator (F2) to have the cryogen liquid pipeline to be communicated with condenser (A2) through the 3rd choke valve (G2) again, low pressure generator (F2) also has refrigerant vapour pipeline connection condenser (A2), condenser (A2) has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B2) through choke valve (D2) again, condenser (A2) or high-temperature evaporator (B2) also have the cryogen liquid pipeline to be communicated with cryogenic vaporizer (C2) through second choke valve (E2), high-temperature evaporator (B2) also has refrigerant vapour pipeline connection absorber (1), cryogenic vaporizer (C2) also has refrigerant vapour pipeline connection second absorber (2), condenser (A2) also has heated medium pipeline and external communications, high-temperature evaporator (B2), cryogenic vaporizer (C2) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to provide to absorber (1) through high-temperature evaporator (B2) heating cryogen liquid, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to provide to second absorber (2) through cryogenic vaporizer (C2) heating cryogen liquid, drive heat medium flow and enter low pressure generator (F2) through generator (3) heated solution release high temperature refrigerant vapour, the solution release refrigerant vapour that enters low pressure generator (F2) as its driving thermal medium heating enters condenser (A2), absorber (1), second absorber (2) and condenser (A2) circulate thereby obtain the solution parallel connection respectively to the heated medium heat supply, the segmentation absorption also has three absorption units of heat supply end economic benefits and social benefits single-stage.

5. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A3), high-temperature evaporator (B3), absorption-evaporimeter (C3), choke valve (D3), the 3rd choke valve (E3), the 3rd solution heat exchanger (F3), cryogenic vaporizer (b3), the second absorption-evaporimeter (c3), second choke valve (d3), the 4th choke valve (e3), the 4th solution heat exchanger (f3) and the 3rd solution pump (g3); Absorber (1) there is the weak solution pipeline through solution pump (4), solution heat exchanger (6), second solution heat exchanger (7) connection generator (3) changes absorber (1) into has weak solution pipeline absorption-evaporimeter (C3) after the 3rd solution heat exchanger (F3) is communicated with absorption-evaporimeter (C3) the weak solution pipeline to be arranged again through solution pump (4), the 3rd solution heat exchanger (F3), solution heat exchanger (6), second solution heat exchanger (7) is communicated with generator (3), and sets up weak solution pipeline second absorption-evaporimeter (c3) after the 4th solution heat exchanger (f3) is communicated with the second absorption-evaporimeter (c3) by absorber (1) and the weak solution pipeline is arranged through the 3rd solution pump (g3) again, the 4th solution heat exchanger (f3) back is connected self-absorption-evaporimeter (C3) and is connected solution pump (4), the 3rd solution heat exchanger (F3) solution pipeline afterwards; Generator (3) also has refrigerant vapour pipeline connection condenser (A3), condenser (A3) also has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B3) and to be communicated with cryogenic vaporizer (b3) through second choke valve (d3) through choke valve (D3) respectively, high-temperature evaporator (B3) also has refrigerant vapour pipeline connection absorption-evaporimeter (C3), cryogenic vaporizer (b3) also has the refrigerant vapour pipeline connection second absorption-evaporimeter (c3), condenser (A3) also has cryogen liquid pipeline absorption-evaporimeter (C3) after the 3rd choke valve (E3) is communicated with absorption-evaporimeter (C3) that refrigerant vapour pipeline connection absorber (1) is arranged again, condenser (A3) also has cryogen liquid pipeline second absorption-evaporimeter (c3) after the 4th choke valve (e3) is communicated with the second absorption-evaporimeter (c3) that refrigerant vapour pipeline connection second absorber (2) is arranged again, condenser (A3) also has heated medium pipeline and external communications, high-temperature evaporator (B3), cryogenic vaporizer (b3) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter (C3) through high-temperature evaporator (B3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of absorption-evaporimeter (C3) of heating becomes refrigerant vapour to provide to absorber (1), waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter (c3) through cryogenic vaporizer (b3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of the second absorption-evaporimeter (c3) of heating becomes refrigerant vapour to provide to second absorber (2), driving heat medium flow provides to condenser (A3) through generator (3) heated solution release high temperature refrigerant vapour, absorber (1), second absorber (2) and condenser (A3) be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour by absorption-evaporimeter to absorber, segmentation absorbs and has the two-stage absorption unit of three heat supply ends.

6. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A3), high-temperature evaporator (B3), absorption-evaporimeter (C3), choke valve (D3), cryogen liquid pump (G3), the 3rd solution heat exchanger (F3), cryogenic vaporizer (b3), the second absorption-evaporimeter (c3), second choke valve (d3), the 4th choke valve (e3), the 4th solution heat exchanger (f3) and the 3rd solution pump (g3); Absorber (1) there is the weak solution pipeline through solution pump (4), solution heat exchanger (6), second solution heat exchanger (7) connection generator (3) changes absorber (1) into has weak solution pipeline absorption-evaporimeter (C3) after the 3rd solution heat exchanger (F3) is communicated with absorption-evaporimeter (C3) the weak solution pipeline to be arranged again through solution pump (4), the 3rd solution heat exchanger (F3), solution heat exchanger (6), second solution heat exchanger (7) is communicated with generator (3), and sets up weak solution pipeline second absorption-evaporimeter (c3) after the 4th solution heat exchanger (f3) is communicated with the second absorption-evaporimeter (c3) by absorber (1) and the weak solution pipeline is arranged through the 3rd solution pump (g3) again, the 4th solution heat exchanger (f3) back is connected self-absorption-evaporimeter (C3) and is connected solution pump (4), the 3rd solution heat exchanger (F3) solution pipeline afterwards; Generator (3) also has refrigerant vapour pipeline connection condenser (A3), condenser (A3) also has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B3) and to be communicated with cryogenic vaporizer (b3) through second choke valve (d3) through choke valve (D3) respectively, high-temperature evaporator (B3) also has refrigerant vapour pipeline connection absorption-evaporimeter (C3), cryogenic vaporizer (b3) also has the refrigerant vapour pipeline connection second absorption-evaporimeter (c3), high-temperature evaporator (B3) also has cryogen liquid pipeline absorption-evaporimeter (C3) after cryogen liquid pump (G3) is communicated with absorption-evaporimeter (C3) that refrigerant vapour pipeline connection absorber (1) is arranged again, condenser (A3) also has cryogen liquid pipeline second absorption-evaporimeter (c3) after the 4th choke valve (e3) is communicated with the second absorption-evaporimeter (c3) that refrigerant vapour pipeline connection second absorber (2) is arranged again, condenser (A3) also has heated medium pipeline and external communications, high-temperature evaporator (B3), cryogenic vaporizer (b3) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter (C3) through high-temperature evaporator (B3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of absorption-evaporimeter (C3) of heating becomes refrigerant vapour to provide to absorber (1), waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter (c3) through cryogenic vaporizer (b3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of the second absorption-evaporimeter (c3) of heating becomes refrigerant vapour to provide to second absorber (2), driving heat medium flow provides to condenser (A3) through generator (3) heated solution release high temperature refrigerant vapour, absorber (1), second absorber (2) and condenser (A3) be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour by absorption-evaporimeter to absorber, segmentation absorbs and has the two-stage absorption unit of three heat supply ends.

7. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A3), high-temperature evaporator (B3), absorption-evaporimeter (C3), choke valve (D3), the 3rd choke valve (E3), the 3rd solution heat exchanger (F3), cryogenic vaporizer (b3), the second absorption-evaporimeter (c3), second choke valve (d3), the second cryogen liquid pump (h3), the 4th solution heat exchanger (f3) and the 3rd solution pump (g3); Absorber (1) there is the weak solution pipeline through solution pump (4), solution heat exchanger (6), second solution heat exchanger (7) connection generator (3) changes absorber (1) into has weak solution pipeline absorption-evaporimeter (C3) after the 3rd solution heat exchanger (F3) is communicated with absorption-evaporimeter (C3) the weak solution pipeline to be arranged again through solution pump (4), the 3rd solution heat exchanger (F3), solution heat exchanger (6), second solution heat exchanger (7) is communicated with generator (3), and sets up weak solution pipeline second absorption-evaporimeter (c3) after the 4th solution heat exchanger (f3) is communicated with the second absorption-evaporimeter (c3) by absorber (1) and the weak solution pipeline is arranged through the 3rd solution pump (g3) again, the 4th solution heat exchanger (f3) back is connected self-absorption-evaporimeter (C3) and is connected solution pump (4), the 3rd solution heat exchanger (F3) solution pipeline afterwards; Generator (3) also has refrigerant vapour pipeline connection condenser (A3), condenser (A3) also has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B3) and to be communicated with cryogenic vaporizer (b3) through second choke valve (d3) through choke valve (D3) respectively, high-temperature evaporator (B3) also has refrigerant vapour pipeline connection absorption-evaporimeter (C3), cryogenic vaporizer (b3) also has the refrigerant vapour pipeline connection second absorption-evaporimeter (c3), condenser (A3) also has cryogen liquid pipeline absorption-evaporimeter (C3) after the 3rd choke valve (E3) is communicated with absorption-evaporimeter (C3) that refrigerant vapour pipeline connection absorber (1) is arranged again, cryogenic vaporizer (b3) also has cryogen liquid pipeline second absorption-evaporimeter (c3) after the second cryogen liquid pump (h3) is communicated with the second absorption-evaporimeter (c3) that refrigerant vapour pipeline connection second absorber (2) is arranged again, condenser (A3) also has heated medium pipeline and external communications, high-temperature evaporator (B3), cryogenic vaporizer (b3) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter (C3) through high-temperature evaporator (B3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of absorption-evaporimeter (C3) of heating becomes refrigerant vapour to provide to absorber (1), waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter (c3) through cryogenic vaporizer (b3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of the second absorption-evaporimeter (c3) of heating becomes refrigerant vapour to provide to second absorber (2), driving heat medium flow provides to condenser (A3) through generator (3) heated solution release high temperature refrigerant vapour, absorber (1), second absorber (2) and condenser (A3) be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour by absorption-evaporimeter to absorber, segmentation absorbs and has the two-stage absorption unit of three heat supply ends.

8. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A3), high-temperature evaporator (B3), absorption-evaporimeter (C3), choke valve (D3), cryogen liquid pump (G3), the 3rd solution heat exchanger (F3), cryogenic vaporizer (b3), the second absorption-evaporimeter (c3), second choke valve (d3), the second cryogen liquid pump (h3), the 4th solution heat exchanger (f3) and the 3rd solution pump (g3); Absorber (1) there is the weak solution pipeline through solution pump (4), solution heat exchanger (6), second solution heat exchanger (7) connection generator (3) changes absorber (1) into has weak solution pipeline absorption-evaporimeter (C3) after the 3rd solution heat exchanger (F3) is communicated with absorption-evaporimeter (C3) the weak solution pipeline to be arranged again through solution pump (4), the 3rd solution heat exchanger (F3), solution heat exchanger (6), second solution heat exchanger (7) is communicated with generator (3), and sets up weak solution pipeline second absorption-evaporimeter (c3) after the 4th solution heat exchanger (f3) is communicated with the second absorption-evaporimeter (c3) by absorber (1) and the weak solution pipeline is arranged through the 3rd solution pump (g3) again, the 4th solution heat exchanger (f3) back is connected self-absorption-evaporimeter (C3) and is connected solution pump (4), the 3rd solution heat exchanger (F3) solution pipeline afterwards; Generator (3) also has refrigerant vapour pipeline connection condenser (A3), condenser (A3) also has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B3) and to be communicated with cryogenic vaporizer (b3) through second choke valve (d3) through choke valve (D3) respectively, high-temperature evaporator (B3) also has refrigerant vapour pipeline connection absorption-evaporimeter (C3), cryogenic vaporizer (b3) also has the refrigerant vapour pipeline connection second absorption-evaporimeter (c3), high-temperature evaporator (B3) also has cryogen liquid pipeline absorption-evaporimeter (C3) after cryogen liquid pump (G3) is communicated with absorption-evaporimeter (C3) that refrigerant vapour pipeline connection absorber (1) is arranged again, cryogenic vaporizer (b3) also has cryogen liquid pipeline second absorption-evaporimeter (c3) after the second cryogen liquid pump (h3) is communicated with the second absorption-evaporimeter (c3) that refrigerant vapour pipeline connection second absorber (2) is arranged again, condenser (A3) also has heated medium pipeline and external communications, high-temperature evaporator (B3), cryogenic vaporizer (b3) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter (C3) through high-temperature evaporator (B3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of absorption-evaporimeter (C3) of heating becomes refrigerant vapour to provide to absorber (1), waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter (c3) through cryogenic vaporizer (b3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of the second absorption-evaporimeter (c3) of heating becomes refrigerant vapour to provide to second absorber (2), driving heat medium flow provides to condenser (A3) through generator (3) heated solution release high temperature refrigerant vapour, absorber (1), second absorber (2) and condenser (A3) be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour by absorption-evaporimeter to absorber, segmentation absorbs and has the two-stage absorption unit of three heat supply ends.

9. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A3), high-temperature evaporator (B3), absorption-evaporimeter (C3), choke valve (D3), the 3rd choke valve (E3), the 3rd solution heat exchanger (F3), cryogenic vaporizer (b3), the second absorption-evaporimeter (c3), second choke valve (d3), the 4th choke valve (e3), the 4th solution heat exchanger (f3) and the 3rd solution pump (g3); Second absorber (2) there is the weak solution pipeline through solution heat exchanger (6), second solution pump (5) connection absorber (1) changes second absorber (2) into has weak solution pipeline absorption-evaporimeter (C3) after the 3rd solution heat exchanger (F3) is communicated with absorption-evaporimeter (C3) the weak solution pipeline to be arranged again through second solution pump (5), the 3rd solution heat exchanger (F3) and solution heat exchanger (6) are communicated with absorber (1), and set up weak solution pipeline second absorption-evaporimeter (c3) after the 4th solution heat exchanger (f3) is communicated with the second absorption-evaporimeter (c3) by second absorber (2) and the weak solution pipeline is arranged through the 3rd solution pump (g3) again, the 4th solution heat exchanger (f3) back is connected self-absorption-evaporimeter (C3) and is connected solution pump (4), the 3rd solution heat exchanger (F3) solution pipeline afterwards; Generator (3) also has refrigerant vapour pipeline connection condenser (A3), condenser (A3) also has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B3) and to be communicated with cryogenic vaporizer (b3) through second choke valve (d3) through choke valve (D3) respectively, high-temperature evaporator (B3) also has refrigerant vapour pipeline connection absorption-evaporimeter (C3), cryogenic vaporizer (b3) also has the refrigerant vapour pipeline connection second absorption-evaporimeter (c3), condenser (A3) also has cryogen liquid pipeline absorption-evaporimeter (C3) after the 3rd choke valve (E3) is communicated with absorption-evaporimeter (C3) that refrigerant vapour pipeline connection absorber (1) is arranged again, condenser (A3) also has the cryogen liquid pipeline through the 4th choke valve (e3) second absorption-evaporimeter (c3) after the second cryogen liquid pump (h3) is communicated with the second absorption-evaporimeter (c3) refrigerant vapour pipeline connection second absorber (2) to be arranged again, condenser (A3) also has heated medium pipeline and external communications, high-temperature evaporator (B3), cryogenic vaporizer (b3) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter (C3) through high-temperature evaporator (B3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of absorption-evaporimeter (C3) of heating becomes refrigerant vapour to provide to absorber (1), waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter (c3) through cryogenic vaporizer (b3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of the second absorption-evaporimeter (c3) of heating becomes refrigerant vapour to provide to second absorber (2), driving heat medium flow provides to condenser (A3) through generator (3) heated solution release high temperature refrigerant vapour, absorber (1), second absorber (2) and condenser (A3) be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour by absorption-evaporimeter to absorber, segmentation absorbs and has the two-stage absorption unit of three heat supply ends.

10. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A3), high-temperature evaporator (B3), absorption-evaporimeter (C3), choke valve (D3), cryogen liquid pump (G3), the 3rd solution heat exchanger (F3), cryogenic vaporizer (b3), the second absorption-evaporimeter (c3), second choke valve (d3), the 4th choke valve (e3), the 4th solution heat exchanger (f3) and the 3rd solution pump (g3); Second absorber (2) there is the weak solution pipeline through solution heat exchanger (6), second solution pump (5) connection absorber (1) changes second absorber (2) into has weak solution pipeline absorption-evaporimeter (C3) after the 3rd solution heat exchanger (F3) is communicated with absorption-evaporimeter (C3) the weak solution pipeline to be arranged again through second solution pump (5), the 3rd solution heat exchanger (F3) and solution heat exchanger (6) are communicated with absorber (1), and set up weak solution pipeline second absorption-evaporimeter (c3) after the 4th solution heat exchanger (f3) is communicated with the second absorption-evaporimeter (c3) by second absorber (2) and the weak solution pipeline is arranged through the 3rd solution pump (g3) again, the 4th solution heat exchanger (f3) back is connected self-absorption-evaporimeter (C3) and is connected solution pump (4), the 3rd solution heat exchanger (F3) solution pipeline afterwards; Generator (3) also has refrigerant vapour pipeline connection condenser (A3), condenser (A3) also has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B3) and to be communicated with cryogenic vaporizer (b3) through second choke valve (d3) through choke valve (D3) respectively, high-temperature evaporator (B3) also has refrigerant vapour pipeline connection absorption-evaporimeter (C3), cryogenic vaporizer (b3) also has the refrigerant vapour pipeline connection second absorption-evaporimeter (c3), high-temperature evaporator (B3) also has cryogen liquid pipeline absorption-evaporimeter (C3) after cryogen liquid pump (G3) is communicated with absorption-evaporimeter (C3) that refrigerant vapour pipeline connection absorber (1) is arranged again, condenser (A3) also has the cryogen liquid pipeline through the 4th choke valve (e3) second absorption-evaporimeter (c3) after the second cryogen liquid pump (h3) is communicated with the second absorption-evaporimeter (c3) refrigerant vapour pipeline connection second absorber (2) to be arranged again, condenser (A3) also has heated medium pipeline and external communications, high-temperature evaporator (B3), cryogenic vaporizer (b3) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter (C3) through high-temperature evaporator (B3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of absorption-evaporimeter (C3) of heating becomes refrigerant vapour to provide to absorber (1), waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter (c3) through cryogenic vaporizer (b3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of the second absorption-evaporimeter (c3) of heating becomes refrigerant vapour to provide to second absorber (2), driving heat medium flow provides to condenser (A3) through generator (3) heated solution release high temperature refrigerant vapour, absorber (1), second absorber (2) and condenser (A3) be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour by absorption-evaporimeter to absorber, segmentation absorbs and has the two-stage absorption unit of three heat supply ends.

11. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A3), high-temperature evaporator (B3), absorption-evaporimeter (C3), choke valve (D3), the 3rd choke valve (E3), the 3rd solution heat exchanger (F3), cryogenic vaporizer (b3), the second absorption-evaporimeter (c3), second choke valve (d3), the second cryogen liquid pump (h3), the 4th solution heat exchanger (f3) and the 3rd solution pump (g3); Second absorber (2) there is the weak solution pipeline through solution heat exchanger (6), second solution pump (5) connection absorber (1) changes second absorber (2) into has weak solution pipeline absorption-evaporimeter (C3) after the 3rd solution heat exchanger (F3) is communicated with absorption-evaporimeter (C3) the weak solution pipeline to be arranged again through second solution pump (5), the 3rd solution heat exchanger (F3) and solution heat exchanger (6) are communicated with absorber (1), and set up weak solution pipeline second absorption-evaporimeter (c3) after the 4th solution heat exchanger (f3) is communicated with the second absorption-evaporimeter (c3) by second absorber (2) and the weak solution pipeline is arranged through the 3rd solution pump (g3) again, the 4th solution heat exchanger (f3) back is connected self-absorption-evaporimeter (C3) and is connected solution pump (4), the 3rd solution heat exchanger (F3) solution pipeline afterwards; Generator (3) also has refrigerant vapour pipeline connection condenser (A3), condenser (A3) also has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B3) and to be communicated with cryogenic vaporizer (b3) through second choke valve (d3) through choke valve (D3) respectively, high-temperature evaporator (B3) also has refrigerant vapour pipeline connection absorption-evaporimeter (C3), cryogenic vaporizer (b3) also has the refrigerant vapour pipeline connection second absorption-evaporimeter (c3), condenser (A3) also has cryogen liquid pipeline absorption-evaporimeter (C3) after the 3rd choke valve (E3) is communicated with absorption-evaporimeter (C3) that refrigerant vapour pipeline connection absorber (1) is arranged again, cryogenic vaporizer (b3) also has cryogen liquid pipeline second absorption-evaporimeter (c3) after the second cryogen liquid pump (h3) is communicated with the second absorption-evaporimeter (c3) that refrigerant vapour pipeline connection second absorber (2) is arranged again, condenser (A3) also has heated medium pipeline and external communications, high-temperature evaporator (B3), cryogenic vaporizer (b3) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter (C3) through high-temperature evaporator (B3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of absorption-evaporimeter (C3) of heating becomes refrigerant vapour to provide to absorber (1), waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter (c3) through cryogenic vaporizer (b3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of the second absorption-evaporimeter (c3) of heating becomes refrigerant vapour to provide to second absorber (2), driving heat medium flow provides to condenser (A3) through generator (3) heated solution release high temperature refrigerant vapour, absorber (1), second absorber (2) and condenser (A3) be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour by absorption-evaporimeter to absorber, segmentation absorbs and has the two-stage absorption unit of three heat supply ends.

12. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A3), high-temperature evaporator (B3), absorption-evaporimeter (C3), choke valve (D3), cryogen liquid pump (G3), the 3rd solution heat exchanger (F3), cryogenic vaporizer (b3), the second absorption-evaporimeter (c3), second choke valve (d3), the second cryogen liquid pump (h3), the 4th solution heat exchanger (f3) and the 3rd solution pump (g3); Second absorber (2) there is the weak solution pipeline through solution heat exchanger (6), second solution pump (5) connection absorber (1) changes second absorber (2) into has weak solution pipeline absorption-evaporimeter (C3) after the 3rd solution heat exchanger (F3) is communicated with absorption-evaporimeter (C3) the weak solution pipeline to be arranged again through second solution pump (5), the 3rd solution heat exchanger (F3) and solution heat exchanger (6) are communicated with absorber (1), and set up weak solution pipeline second absorption-evaporimeter (c3) after the 4th solution heat exchanger (f3) is communicated with the second absorption-evaporimeter (c3) by second absorber (2) and the weak solution pipeline is arranged through the 3rd solution pump (g3) again, the 4th solution heat exchanger (f3) back is connected self-absorption-evaporimeter (C3) and is connected solution pump (4), the 3rd solution heat exchanger (F3) solution pipeline afterwards; Generator (3) also has refrigerant vapour pipeline connection condenser (A3), condenser (A3) also has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B3) and to be communicated with cryogenic vaporizer (b3) through second choke valve (d3) through choke valve (D3) respectively, high-temperature evaporator (B3) also has refrigerant vapour pipeline connection absorption-evaporimeter (C3), cryogenic vaporizer (b3) also has the refrigerant vapour pipeline connection second absorption-evaporimeter (c3), high-temperature evaporator (B3) also has cryogen liquid pipeline absorption-evaporimeter (C3) after cryogen liquid pump (G3) is communicated with absorption-evaporimeter (C3) that refrigerant vapour pipeline connection absorber (1) is arranged again, cryogenic vaporizer (b3) also has cryogen liquid pipeline second absorption-evaporimeter (c3) after the second cryogen liquid pump (h3) is communicated with the second absorption-evaporimeter (c3) that refrigerant vapour pipeline connection second absorber (2) is arranged again, condenser (A3) also has heated medium pipeline and external communications, high-temperature evaporator (B3), cryogenic vaporizer (b3) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to enter absorption-evaporimeter (C3) through high-temperature evaporator (B3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of absorption-evaporimeter (C3) of heating becomes refrigerant vapour to provide to absorber (1), waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to enter the second absorption-evaporimeter (c3) through cryogenic vaporizer (b3) heating cryogen liquid, absorbed from the solution of absorber (1) or second absorber (2) and the flow through cryogen liquid of the second absorption-evaporimeter (c3) of heating becomes refrigerant vapour to provide to second absorber (2), driving heat medium flow provides to condenser (A3) through generator (3) heated solution release high temperature refrigerant vapour, absorber (1), second absorber (2) and condenser (A3) be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour by absorption-evaporimeter to absorber, segmentation absorbs and has the two-stage absorption unit of three heat supply ends.

13. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A4), high-temperature evaporator (B4), absorption-evaporimeter (C4), low pressure generator (D4), the 3rd solution pump (E4), choke valve (F4), the 3rd choke valve (G4) or cryogen liquid pump (I4), the 3rd solution heat exchanger (H4), cryogenic vaporizer (b4), second absorption-the evaporimeter (c4), second low pressure generator (d4), the 4th solution pump (e4), second choke valve (f4), the 4th choke valve (g4) or the second cryogen liquid pump (i4) and the 4th solution heat exchanger (h4), generator (3) has refrigerant vapour pipeline connection condenser (A4); Condenser (A4) also has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B4) through choke valve (F4), high-temperature evaporator (B4) also has refrigerant vapour pipeline connection absorption-evaporimeter (C4), absorption-evaporimeter (C4) also has the weak solution pipeline through the 3rd solution pump (E4), the 3rd solution heat exchanger (H4) is communicated with low pressure generator (D4), low pressure generator (D4) has the concentrated solution pipeline to be communicated with absorption-evaporimeter (C4) through the 3rd solution heat exchanger (H4) again, condenser (A4) also has the cryogen liquid pipeline to also have cryogen liquid pipeline absorption-evaporimeter (C4) after cryogen liquid pump (I4) is communicated with absorption-evaporimeter (C4) that refrigerant vapour pipeline connection absorber (1) is arranged again through the 3rd choke valve (G4) or high-temperature evaporator (B4), and low pressure generator (D4) also has refrigerant vapour pipeline connection absorber (1); Condenser (A4) also has the cryogen liquid pipeline to be communicated with cryogenic vaporizer (b4) through second choke valve (f4), cryogenic vaporizer (b4) also has the refrigerant vapour pipeline connection second absorption-evaporimeter (c4), second absorption-the evaporimeter (c4) also has the weak solution pipeline through the 4th solution pump (e4), the 4th solution heat exchanger (h4) is communicated with second low pressure generator (d4), second low pressure generator (d4) has the concentrated solution pipeline to be communicated with the second absorption-evaporimeter (c4) through the 4th solution heat exchanger (h4) again, condenser (A4) also has the cryogen liquid pipeline to also have cryogen liquid pipeline second absorption-evaporimeter (c4) after the second cryogen liquid pump (i4) is communicated with the second absorption-evaporimeter (c4) that refrigerant vapour pipeline connection second absorber (2) is arranged again through the 4th choke valve (g4) or cryogenic vaporizer (b4), and second low pressure generator (d4) also has refrigerant vapour pipeline connection second absorber (2); Low pressure generator (D4), second low pressure generator (d4) also have the thermal medium pipeline of driving and external communications respectively, condenser (A4) also has heated medium pipeline and external communications, high-temperature evaporator (B4) and cryogenic vaporizer (b4) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become refrigerant vapour to enter absorptions-evaporimeter (C4), absorbed by the solution from low pressure generator (D4) and the flow through cryogen liquid of absorptions-evaporimeter (C4) of heating becomes the higher temperature refrigerant vapour to provide to absorber (1) through high-temperature evaporator (B4) heating cryogen liquid, drive thermal medium and heat the solution release refrigerant vapour that enters low pressure generator (D4) and provide to absorber (1); Waste heat medium or cooled MEDIA FLOW become refrigerant vapour to enter the second absorptions-evaporimeter (c4), absorbed by the solution from second low pressure generator (d4) and the flow through cryogen liquid of the second absorptions-evaporimeter (c4) of heating becomes the higher temperature refrigerant vapour to provide to second absorber (2) through cryogenic vaporizer (b4) heating cryogen liquid, drive thermal medium and heat the solution release refrigerant vapour that enters second low pressure generator (d4) and provide to second absorber (2); Absorber (1), second absorber (2) and condenser (A4) be respectively to the heated medium heat supply, thereby obtain providing refrigerant vapour, segmentation to absorb and have the two-stage absorption unit of three heat supply ends to absorber jointly by absorption-evaporimeter and low pressure generator.

14. the absorption unit of segmentation absorption-type, be in the absorption system of the described generation of claim 1-absorption-again, increase condenser (A5), high-temperature evaporator (B5), cryogenic vaporizer (C5), choke valve (D5), second choke valve (E5), high-temperature generator (F5), high temperature absorber (G5), the 3rd solution pump (H5) and the 3rd solution heat exchanger (I5), generator (3) has refrigerant vapour pipeline connection high temperature absorber (G5), high temperature absorber (G5) also has the weak solution pipeline through the 3rd solution pump (H5), the 3rd solution heat exchanger (I5) is communicated with high-temperature generator (F5), high-temperature generator (F5) also has the concentrated solution pipeline to be communicated with high temperature absorber (G5) through the 3rd solution heat exchanger (I5), high-temperature generator (F5) also has refrigerant vapour pipeline connection condenser (A5) respectively and the thermal medium pipeline of driving and external communications is arranged, condenser (A5) has the cryogen liquid pipeline to be communicated with high-temperature evaporator (B5) through choke valve (D5) again, condenser (A5) or high-temperature evaporator (B5) also have the cryogen liquid pipeline to be communicated with cryogenic vaporizer (C5) through second choke valve (E5), high-temperature evaporator (B5) also has the refrigerant vapour pipeline to be communicated with absorber (1), cryogenic vaporizer (C5) also has refrigerant vapour pipeline connection second absorber (2), condenser (A5) and high temperature absorber (G5) also have heated medium pipeline and external communications respectively, high-temperature evaporator (B5), cryogenic vaporizer (C5) also have surplus heat respectively medium or cooled medium pipeline and external communications; Waste heat medium or cooled MEDIA FLOW become the higher temperature refrigerant vapour to provide to absorber (1) through high-temperature evaporator (B5) heating cryogen liquid, waste heat medium or cooled MEDIA FLOW become the lower temperature refrigerant vapour to provide to second absorber (2) through cryogenic vaporizer (C5) heating cryogen liquid, driving heat medium flow provides to high temperature absorber (G5) through generator (3) heated solution release high temperature refrigerant vapour, absorber (1), second absorber (2), high temperature absorber (G5) and condenser (A5) obtain providing refrigerant vapour by low pressure generator to absorber respectively to the heated medium heat supply, segmentation absorbs and has the two-stage absorption unit of four heat supply ends.

15. the absorption unit of segmentation absorption-type, be to absorb in the described segmentation of claim 14, refrigerant vapour is provided and has in the two-stage absorption unit of four heat supply ends to absorber by low pressure generator, increase by second condenser (J5) and the 3rd choke valve (K5) again, set up refrigerant vapour pipeline connection second condenser (J5) by generator (3), or having the cryogen liquid pipeline to change condenser (A5) into through choke valve (D5) connection high-temperature evaporator (B5) condenser (A5) has cryogen liquid pipeline second condenser (J5) after choke valve (D5) is communicated with second condenser (J5) to have the cryogen liquid pipeline to be communicated with high-temperature evaporator (B5) through the 3rd choke valve (K5) again, or having the cryogen liquid pipeline to change condenser (A5) into through second choke valve (E5) connection cryogenic vaporizer (C5) condenser (A5) has cryogen liquid pipeline second condenser (J5) after second choke valve (E5) is communicated with second condenser (J5) to have the cryogen liquid pipeline to be communicated with cryogenic vaporizer (C5) through the 3rd choke valve (K5) again, and second condenser (J5) also has heated medium pipeline and external communications; Absorber (1), second absorber (2), second condenser (J5), high temperature absorber (G5) and condenser (A5) be respectively to the heated medium heat supply, obtains segmentation and absorb, refrigerant vapour be provided and have the two-stage absorption unit of five heat supply ends to absorber by low pressure generator.

16. the absorption unit of segmentation absorption-type is in the absorption unit of described each the segmentation absorption-type of claim 2-8, increases absorber (a), absorption-evaporimeter (b), choke valve (d) or cryogen liquid pump (f), solution pump (c) and solution heat exchanger (e); Maybe will be communicated with generator (3) and be communicated with newly-increased absorber (a) for it provides the pipeline of solution to change into, newly-increased absorber (a) has the weak solution pipeline to be communicated with newly-increased absorption-evaporimeter (b) through newly-increased solution heat exchanger (e) again, newly-increased absorption-evaporimeter (b) also has the concentrated solution pipeline to be communicated with generator (3) through newly-increased solution pump (c) and newly-increased solution heat exchanger (e) again, or sets up the newly-increased absorber (a) of concentrated solution pipeline connection from generator (3), newly-increased absorber (a) has the weak solution pipeline to be communicated with newly-increased absorption-evaporimeter (b) through newly-increased solution heat exchanger (e) again, newly-increased absorption-evaporimeter (b) also has the concentrated solution pipeline to be communicated with generator (3) through newly-increased solution pump (c) and newly-increased solution heat exchanger (e) again; Or high-temperature evaporator or cryogenic vaporizer have the cryogen liquid pipeline to be communicated with the newly-increased absorptions-evaporimeter (b) in newly-increased absorptions-evaporimeter (b) back through newly-increased cryogen liquid pump (f) to have the refrigerant vapour pipeline connection increase absorber (a) again, or condenser has the cryogen liquid pipeline to increase absorption-evaporimeter (b) newly after choke valve (d) connection increases absorption-evaporimeter (b) newly and have the refrigerant vapour pipeline connection to increase absorber (a) newly again through increasing newly; Set up the newly-increased absorption-evaporimeter (b) of refrigerant vapour pipeline connection by high-temperature evaporator or cryogenic vaporizer, newly-increased absorber (a) also has heated medium pipeline and external communications; The cryogen liquid that refrigerant vapour from high-temperature evaporator or cryogenic vaporizer enters newly-increased absorption-evaporimeter (b), absorbed by the solution from newly-increased absorber (a) and heat the newly-increased absorber (a) of flowing through becomes the refrigerant vapour of higher temperature to provide to newly-increased absorber (a), the refrigerant vapour that enters newly-increased absorber (a) is absorbed also heat release in heated medium by the solution from absorber (1) or generator (3), newly-increased absorber (a) becomes the newly-increased high-temperature heat supply end of unit, thereby obtains the absorption unit of segmentation absorption-type of additional high-temperature heat supply end.