CN102102919B - Back-heating type two-stage absorption-generation systems and back-heating type the 3rd class absorption heat pump - Google Patents

Back-heating type two-stage absorption-generation systems and back-heating type the 3rd class absorption heat pump Download PDF

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CN102102919B
CN102102919B CN201110007010.4A CN201110007010A CN102102919B CN 102102919 B CN102102919 B CN 102102919B CN 201110007010 A CN201110007010 A CN 201110007010A CN 102102919 B CN102102919 B CN 102102919B
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CN102102919A (en
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李华玉
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems
    • Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration

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Abstract

The invention provides back-heating type two-stage absorption-generation systems and back-heating type the 3rd class absorption heat pump, belong to absorption heat pump technical field.Be main building block with the first absorber, the second absorber, generator, the first solution pump, the second solution pump, the first solution heat exchanger, the second solution heat exchanger and a point steam chest, adopt single channel solution circulation or adopt two-way solution circulation, backheat flow process is completed by the second absorber and the first absorber, the solution generation flow process adopting Equations of The Second Kind driving force is completed by the second absorber and point steam chest, completed the solution generation flow process adopting first kind driving force by generator, form the adjustable back-heating type two-stage absorption-generation systems of backheat amplitude; Increase other associated components comprising the first condenser, the second condenser, evaporimeter, first throttle valve, the first cryogen liquid pump, the second cryogen liquid pump or second throttle, form some back-heating type the 3rd class absorption heat pumps based on back-heating type two-stage absorption-generation systems.

Description

Back-heating type two-stage absorption-generation systems and back-heating type the 3rd class absorption heat pump
Technical field:
The invention belongs to low temperature heat and technical field of heat pumps.
Background technology:
In order to utilize the residual heat resources of lower temperature as far as possible, except will utilizing two kinds of driving forces, also should accomplish the rationalization of the simplification of the structure of absorption type heat pump assembly, flow process and performance index.
For improving the highest heat supply temperature of the 3rd class absorption heat pump, key is to reduce the solution concentration entering generator, and in order to utilize the waste heat of lower temperature, key is to improve the solution concentration entering absorber; In addition, the effective means significantly promoting waste heat supply temperature is in absorption heat pump, adopt two-stage or multistage flow process.In conjunction with two-stage or multistage flow process, take rational technical measures, improve the solution concentration entering absorber simultaneously and reduce the solution concentration entering generator, and can select the amplitude that solution concentration reduces and improves within the specific limits according to demand, this will have very important meaning to the producing level improving low grade residual heat resource.
The present invention adopts flow process cleverly, backheat principle is applied to the absorption-generating process of solution, and integrate two-stage or multistage flow process technological means simultaneously, set up the adjustable back-heating type two-stage absorption-generation systems of backheat amplitude, and obtain some 3rd class absorption heat pumps comprising back-heating type three grade of the 3rd class absorption heat pump based on this; 3rd class absorption heat pump unit of these single structures has rational thermodynamics running parameter and performance index in corresponding running parameter interval, and this makes the 3rd class absorption heat pump well be expanded.
Summary of the invention:
Main purpose of the present invention is to provide back-heating type the 3rd class absorption heat pump, comprises two kinds of back-heating type two-stage absorption-generation systems and some back-heating types the 3rd class absorption heat pump.Concrete summary of the invention subitem is described below:
1. back-heating type the 3rd class absorption heat pump, primarily of the first condenser, the second condenser, evaporimeter, first throttle valve, the first cryogen liquid pump, the second cryogen liquid pump or second throttle, the first absorber, the second absorber, generator, the first solution pump, the second solution pump, the first solution heat exchanger, the second solution heat exchanger and point steam chest composition, first absorber has weak solution pipeline to be communicated with the second absorber through the second solution heat exchanger, second absorber also has weak solution pipeline to be communicated with generator with the first solution heat exchanger through the first solution pump, generator also has concentrated solution pipeline to be communicated with a point steam chest with the second absorber through the first solution heat exchanger, steam chest is divided to also have concentrated solution pipeline to be communicated with the first absorber with the second solution heat exchanger through the second solution pump, generator also has refrigerant steam channel to be communicated with the first condenser, first condenser also has cryogen liquid pipeline to be communicated with evaporimeter through first throttle valve, steam chest is divided to also have refrigerant steam channel to be communicated with the second condenser, second condenser also has cryogen liquid pipeline to be communicated with evaporimeter through the first cryogen liquid pump, evaporimeter also has refrigerant steam channel to be communicated with the second absorber, evaporimeter also has cryogen liquid pipeline second absorber after the second cryogen liquid pump is communicated with the second absorber to have refrigerant steam channel to be communicated with the first absorber again, or first condenser also have cryogen liquid pipeline second absorber after second throttle is communicated with the second absorber to have refrigerant steam channel to be communicated with the first absorber again, generator also has driving heat medium pipeline and ft connection, first absorber and the first condenser also have heated medium pipeline and ft connection respectively, second absorber or in addition heated medium pipeline and ft connection, second condenser also has cooling medium pipeline and ft connection, evaporimeter also has surplus heat medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump.
2. back-heating type the 3rd class absorption heat pump, primarily of the first condenser, the second condenser, evaporimeter, choke valve, cryogen liquid pump, the first absorber, the second absorber, generator, the first solution pump, the second solution pump, the first solution heat exchanger, the second solution heat exchanger and point steam chest composition, first absorber has weak solution pipeline to be communicated with a point steam chest with the second absorber through the second solution heat exchanger, steam chest is divided to also have concentrated solution pipeline to be communicated with the first absorber with the second solution heat exchanger through the second solution pump, second absorber also has weak solution pipeline to be communicated with generator with the first solution heat exchanger through the first solution pump, generator also has concentrated solution pipeline to be communicated with the second absorber through the first solution heat exchanger, generator also has refrigerant steam channel to be communicated with the first condenser, first condenser also has cryogen liquid pipeline to be communicated with evaporimeter through choke valve, evaporimeter also has refrigerant steam channel to be communicated with the second absorber, steam chest is divided to also have refrigerant steam channel to be communicated with the second condenser, second condenser also has cryogen liquid pipeline second absorber after cryogen liquid pump is communicated with the second absorber to have refrigerant steam channel to be communicated with the first absorber again, generator also has driving heat medium pipeline and ft connection, first absorber and the first condenser also have heated medium pipeline and ft connection respectively, second absorber or in addition heated medium pipeline and ft connection, second condenser also has cooling medium pipeline and ft connection, evaporimeter also has surplus heat medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump.
3. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in 1-2 item, increase newly-increased cryogen liquid pump or newly-increased choke valve, newly-increased absorption-evaporimeter and newly-increased solution pump, first absorber is had weak solution pipeline through the second solution heat exchanger to be communicated with the second absorber be adjusted to the first absorber have weak solution pipeline through the second solution heat exchanger absorb with newly-increased-evaporimeter is communicated with, newly-increased absorption-evaporimeter also has weak solution pipeline to be communicated with the second absorber through newly-increased solution pump, had by evaporimeter refrigerant steam channel to be communicated with the second absorber to be adjusted to evaporimeter have refrigerant steam channel absorb with newly-increased-evaporimeter is communicated with, first condenser set up cryogen liquid pipeline through newly-increased choke valve absorb with newly-increased-evaporimeter increase newly after being communicated with absorb-evaporimeter has refrigerant steam channel to be communicated with the second absorber again, or evaporimeter set up cryogen liquid pipeline through newly-increased cryogen liquid pump absorb with newly-increased-evaporimeter increase newly after being communicated with absorb-evaporimeter has refrigerant steam channel to be communicated with the second absorber again, form back-heating type three grade of the 3rd class absorption heat pump.
4. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in 1-2 item, increase newly-increased cryogen liquid pump or newly-increased choke valve, newly-increased absorption-evaporimeter, newly-increased solution pump and newly-increased solution heat exchanger, to divide steam chest have concentrated solution pipeline through the second solution pump and the second solution heat exchanger to be communicated with the first absorber be adjusted to a point steam chest have concentrated solution pipeline through the second solution pump absorb with newly-increased with newly-increased solution heat exchanger-evaporimeter is communicated with, newly-increased absorption-evaporimeter also has weak solution pipeline through newly-increased solution pump, newly-increased solution heat exchanger is communicated with the first absorber with the second solution heat exchanger, had by evaporimeter refrigerant steam channel to be communicated with the second absorber to be adjusted to evaporimeter have refrigerant steam channel absorb with newly-increased-evaporimeter is communicated with, first condenser set up cryogen liquid pipeline through newly-increased choke valve absorb with newly-increased-evaporimeter increase newly after being communicated with absorb-evaporimeter has refrigerant steam channel to be communicated with the second absorber again, or evaporimeter set up cryogen liquid pipeline through newly-increased cryogen liquid pump absorb with newly-increased-evaporimeter increase newly after being communicated with absorb-evaporimeter has refrigerant steam channel to be communicated with the second absorber again, form back-heating type three grade of the 3rd class absorption heat pump.
5. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in 1-2 item, increase newly-increased generator, newly-increased condenser, newly-increased first throttle valve, newly-increased second throttle and newly-increased solution heat exchanger, first solution pump is set up weak solution pipeline and is communicated with newly-increased generator through newly-increased solution heat exchanger, newly-increased generator also has concentrated solution pipeline to be communicated with the second absorber through newly-increased solution heat exchanger, generator set up refrigerant steam channel be communicated with newly-increased generator after newly-increased generator have cryogen liquid pipeline to be communicated with newly-increased condenser through newly-increased first throttle valve again---generator provides refrigerant vapour to drive thermal medium as it to newly-increased generator, newly-increased generator also has refrigerant steam channel to be communicated with newly-increased condenser, newly-increased condenser also has cryogen liquid pipeline to be communicated with evaporimeter through newly-increased second throttle, newly-increased condenser also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being secondary cryogenic heat supply end with newly-increased condenser, wherein, or by the first condenser have cryogen liquid pipeline to be communicated with evaporimeter through first throttle valve to be adjusted to the first condenser and to have cryogen liquid pipeline to be communicated with newly-increased condenser through first throttle valve.
6. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in the 1st, increase newly-increased generator, newly-increased condenser, newly-increased first throttle valve, newly-increased second throttle, newly-increased solution heat exchanger and newly-increased solution pump, had by second absorber weak solution pipeline to be communicated with generator through the first solution pump and the first solution heat exchanger to be adjusted to the second absorber and to have weak solution pipeline to be communicated with newly-increased generator with the first solution heat exchanger through the first solution pump, newly-increased generator also has concentrated solution pipeline to be communicated with generator with newly-increased solution heat exchanger through newly-increased solution pump, had by generator concentrated solution pipeline to be communicated with a point steam chest through the first solution heat exchanger and the second absorber to be adjusted to generator and to have concentrated solution pipeline through increasing solution heat exchanger newly, first solution heat exchanger is communicated with a point steam chest with the second absorber, generator set up refrigerant steam channel be communicated with newly-increased generator after newly-increased generator have cryogen liquid pipeline to be communicated with newly-increased condenser through newly-increased first throttle valve again---generator provides refrigerant vapour to drive thermal medium as it to newly-increased generator, newly-increased generator also has refrigerant steam channel to be communicated with newly-increased condenser, newly-increased condenser also has cryogen liquid pipeline to be communicated with evaporimeter through newly-increased second throttle, newly-increased condenser also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being secondary cryogenic heat supply end with newly-increased condenser, wherein, or by the first condenser have cryogen liquid pipeline to be communicated with evaporimeter through first throttle valve to be adjusted to the first condenser and to have cryogen liquid pipeline to be communicated with newly-increased condenser through first throttle valve.
7. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in the 2nd, increase newly-increased generator, newly-increased condenser, newly-increased first throttle valve, newly-increased second throttle, newly-increased solution heat exchanger and newly-increased solution pump, had by second absorber weak solution pipeline to be communicated with generator through the first solution pump and the first solution heat exchanger to be adjusted to the second absorber and to have weak solution pipeline to be communicated with newly-increased generator with the first solution heat exchanger through the first solution pump, newly-increased generator also has concentrated solution pipeline to be communicated with generator with newly-increased solution heat exchanger through newly-increased solution pump, had by generator concentrated solution pipeline to be communicated with the second absorber through the first solution heat exchanger to be adjusted to generator and to have concentrated solution pipeline to be communicated with the second absorber with the first solution heat exchanger through newly-increased solution heat exchanger, generator set up refrigerant steam channel be communicated with newly-increased generator after newly-increased generator have cryogen liquid pipeline to be communicated with newly-increased condenser through newly-increased first throttle valve again---generator provides refrigerant vapour to drive thermal medium as it to newly-increased generator, newly-increased generator also has refrigerant steam channel to be communicated with newly-increased condenser, newly-increased condenser also has cryogen liquid pipeline to be communicated with evaporimeter through newly-increased second throttle, newly-increased condenser also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being secondary cryogenic heat supply end with newly-increased condenser, wherein, or by the first condenser have cryogen liquid pipeline to be communicated with evaporimeter through first throttle valve to be adjusted to the first condenser and to have cryogen liquid pipeline to be communicated with newly-increased condenser through first throttle valve.
8. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in 1-2 item, increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger, being had by generator refrigerant steam channel to be communicated with the first condenser to be adjusted to generator has refrigerant steam channel to be communicated with newly-increased absorber, newly-increased absorber also has weak solution pipeline to be communicated with newly-increased generator with newly-increased solution heat exchanger through newly-increased solution pump, newly-increased generator also has concentrated solution pipeline to be communicated with newly-increased absorber through newly-increased solution heat exchanger, newly-increased generator also has refrigerant steam channel and the first condenser connected sum to have to drive heat medium pipeline and ft connection respectively, newly-increased absorber also has heated medium pipeline and ft connection, form back-heating type three grade of the 3rd class absorption heat pump based on back-heating type two-stage.
9. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in 1-2 item, increase newly-increased generator, newly-increased absorber, newly-increased solution pump, newly-increased solution heat exchanger, newly-increased condenser and newly-increased choke valve, generator is set up refrigerant steam channel and is communicated with newly-increased absorber, newly-increased absorber also has weak solution pipeline to be communicated with newly-increased generator with newly-increased solution heat exchanger through newly-increased solution pump, newly-increased generator also has concentrated solution pipeline to be communicated with newly-increased absorber through newly-increased solution heat exchanger, newly-increased generator also has refrigerant steam channel and newly-increased condenser connected sum to have to drive heat medium pipeline and ft connection respectively, newly-increased condenser also has cryogen liquid pipeline to be communicated with the first condenser or evaporimeter through newly-increased choke valve, newly-increased absorber and newly-increased condenser also have heated medium pipeline and ft connection respectively, form back-heating type three grade of the 3rd class absorption heat pump based on back-heating type two-stage.
10. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in 1-2 item, increase newly-increased absorption-evaporimeter, newly-increased absorber, newly-increased solution pump, newly-increased choke valve or newly-increased cryogen liquid pump, newly-increased first solution heat exchanger and newly-increased second solution heat exchanger, generator is set up concentrated solution pipeline and is communicated with newly-increased absorber through newly-increased second solution heat exchanger, newly-increased absorber also have weak solution pipeline through newly-increased first solution heat exchanger with increase newly absorb-evaporimeter is communicated with, newly-increased absorption-evaporimeter also has weak solution pipeline through newly-increased solution pump, newly-increased first solution heat exchanger is communicated with generator with newly-increased second solution heat exchanger, evaporimeter set up refrigerant steam channel absorb with newly-increased-evaporimeter is communicated with, first condenser set up cryogen liquid pipeline through newly-increased choke valve absorb with newly-increased-evaporimeter increase newly after being communicated with absorb-evaporimeter has refrigerant steam channel to be communicated with newly-increased absorber again, or evaporimeter set up cryogen liquid pipeline through newly-increased cryogen liquid pump absorb with newly-increased-evaporimeter increase newly after being communicated with absorb-evaporimeter has refrigerant steam channel to be communicated with newly-increased absorber again, newly-increased absorber also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being additional high temperature heat supply end with newly-increased absorber.
11. back-heating types the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in the 1st, increase newly-increased absorption-evaporimeter, newly-increased absorber, newly-increased solution pump, newly-increased choke valve or newly-increased cryogen liquid pump, newly-increased first solution heat exchanger and newly-increased second solution heat exchanger, had by second absorber weak solution pipeline to be communicated with generator through the first solution pump and the first solution heat exchanger to be adjusted to the second absorber and to have weak solution pipeline to be communicated with newly-increased absorber with the first solution heat exchanger through the first solution pump, newly-increased absorber also have weak solution pipeline through newly-increased first solution heat exchanger with increase newly absorb-evaporimeter is communicated with, newly-increased absorption-evaporimeter also has weak solution pipeline through newly-increased solution pump, newly-increased first solution heat exchanger is communicated with generator with newly-increased second solution heat exchanger, had by generator concentrated solution pipeline to be communicated with a point steam chest through the first solution heat exchanger and the second absorber to be adjusted to generator and to have concentrated solution pipeline through increasing the second solution heat exchanger newly, first solution heat exchanger is communicated with a point steam chest with the second absorber, evaporimeter set up refrigerant steam channel absorb with newly-increased-evaporimeter is communicated with, first condenser set up cryogen liquid pipeline through newly-increased choke valve absorb with newly-increased-evaporimeter increase newly after being communicated with absorb-evaporimeter has refrigerant steam channel to be communicated with newly-increased absorber again, or evaporimeter set up cryogen liquid pipeline through newly-increased cryogen liquid pump absorb with newly-increased-evaporimeter increase newly after being communicated with absorb-evaporimeter has refrigerant steam channel to be communicated with newly-increased absorber again, newly-increased absorber also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being additional high temperature heat supply end with newly-increased absorber.
12. back-heating types the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in the 2nd, increase newly-increased absorption-evaporimeter, newly-increased absorber, newly-increased solution pump, newly-increased choke valve or newly-increased cryogen liquid pump, newly-increased first solution heat exchanger and newly-increased second solution heat exchanger, had by second absorber weak solution pipeline to be communicated with generator through the first solution pump and the first solution heat exchanger to be adjusted to the second absorber and to have weak solution pipeline to be communicated with newly-increased absorber with the first solution heat exchanger through the first solution pump, newly-increased absorber also have weak solution pipeline through newly-increased first solution heat exchanger with increase newly absorb-evaporimeter is communicated with, newly-increased absorption-evaporimeter also has weak solution pipeline through newly-increased solution pump, newly-increased first solution heat exchanger is communicated with generator with newly-increased second solution heat exchanger, had by generator concentrated solution pipeline to be communicated with the second absorber through the first solution heat exchanger to be adjusted to generator and to have concentrated solution pipeline to be communicated with the second absorber with the first solution heat exchanger through newly-increased second solution heat exchanger, evaporimeter set up refrigerant steam channel absorb with newly-increased-evaporimeter is communicated with, first condenser set up cryogen liquid pipeline through newly-increased choke valve absorb with newly-increased-evaporimeter increase newly after being communicated with absorb-evaporimeter has refrigerant steam channel to be communicated with newly-increased absorber again, or evaporimeter set up cryogen liquid pipeline through newly-increased cryogen liquid pump absorb with newly-increased-evaporimeter increase newly after being communicated with absorb-evaporimeter has refrigerant steam channel to be communicated with newly-increased absorber again, newly-increased absorber also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being additional high temperature heat supply end with newly-increased absorber.
13. back-heating types the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in 10-12 item, increase newly-increased evaporimeter and newly-increased second throttle, evaporimeter is set up cryogen liquid pipeline and is communicated with newly-increased evaporimeter through newly-increased second throttle, evaporimeter is had refrigerant steam channel absorbs with newly-increased-evaporimeter be communicated be adjusted to newly-increased evaporimeter have refrigerant steam channel with increase newly absorb-evaporimeter is communicated with, newly-increased evaporimeter also has surplus heat medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being additional high temperature heat supply end with newly-increased absorber.
Accompanying drawing illustrates:
Fig. 1 is according to single channel solution circulation back-heating type two-stage absorption-generation systems provided by the invention 1st kind of structure and schematic flow sheet.
Fig. 2 is according to single channel solution circulation back-heating type two-stage absorption-generation systems provided by the invention 2nd kind of structure and schematic flow sheet.
Fig. 3 is according to two-way solution circulation back-heating type two-stage absorption-generation systems structure provided by the invention and schematic flow sheet.
Fig. 4 is according to back-heating type two-stage the 3rd class absorption heat pump provided by the invention 1st kind of structure and schematic flow sheet.
Fig. 5 is according to back-heating type two-stage the 3rd class absorption heat pump provided by the invention 2nd kind of structure and schematic flow sheet.
Fig. 6 is according to back-heating type two-stage the 3rd class absorption heat pump provided by the invention 3rd kind of structure and schematic flow sheet.
Fig. 7 is according to back-heating type provided by the invention three grade of the 3rd class absorption heat pump the 1st kind of structure and schematic flow sheet.
Fig. 8 is according to back-heating type provided by the invention three grade of the 3rd class absorption heat pump the 2nd kind of structure and schematic flow sheet.
Fig. 9 is according to back-heating type provided by the invention three grade of the 3rd class absorption heat pump the 3rd kind of structure and schematic flow sheet.
Figure 10 is according to provided by the invention, that be secondary cryogenic heat supply end with newly-increased condenser back-heating type two-stage the 3rd class absorption heat pump the 1st kind of structure and schematic flow sheet.
Figure 11 is according to provided by the invention, that be secondary cryogenic heat supply end with newly-increased condenser back-heating type two-stage the 3rd class absorption heat pump the 2nd kind of structure and schematic flow sheet.
Figure 12 is according to provided by the present invention, based on back-heating type two-stage back-heating type three grade of the 3rd class absorption heat pump the 1st kind of structure and schematic flow sheet.
Figure 13 is according to provided by the present invention, based on back-heating type two-stage back-heating type three grade of the 3rd class absorption heat pump the 2nd kind of structure and schematic flow sheet.
Figure 14 is according to provided by the present invention, that be additional high temperature heat supply end with newly-increased absorber back-heating type two-stage the 3rd class absorption heat pump the 1st kind of structure and schematic flow sheet.
Figure 15 is according to provided by the present invention, that be additional high temperature heat supply end with newly-increased absorber back-heating type two-stage the 3rd class absorption heat pump the 2nd kind of structure and schematic flow sheet.
Figure 16 is according to provided by the present invention, that be additional high temperature heat supply end with newly-increased absorber back-heating type two-stage the 3rd class absorption heat pump the 3rd kind of structure and schematic flow sheet.
In figure, 1-first absorber, 2-second absorber, 3-generator, 4-first solution pump, 5-second solution pump, 6-first solution heat exchanger, 7-second solution heat exchanger, 8-divides steam chest, 9-first condenser, 10-second condenser, 11-evaporimeter, 12-choke valve/first throttle valve, 13-cryogen liquid pump/the first cryogen liquid pump, 14-second cryogen liquid pump, 15-second throttle; A-increases absorption-evaporimeter newly, B-increases solution pump newly, C-increases choke valve/newly-increased first throttle valve newly, and D-increases cryogen liquid pump newly, and E-increases solution heat exchanger/newly-increased first solution heat exchanger newly, F-increases generator newly, G-increases condenser newly, and H-increases second throttle newly, and I-increases absorber newly, J-increases the second solution heat exchanger newly, and K-increases evaporimeter newly.
Need it is noted that:
The Main Function of (1) second absorber 2 has two: the first order 1. realizing waste heat supply temperature promotes and provides refrigerant vapour to the first absorber 1, the uncontrollable backheat flow process of the amplitude that completes; 2. the solution flowed through in it heated and make it components vaporize, the adjustable backheat flow process of the amplitude that completes.In addition, the second absorber 2 can externally provide the thermic load of lower temperature---one-level lower than the thermic load of the first absorber 1.
(2), when employing take ammonia spirit as the working media of representative, now generator is called rectifying column, and the first rectifying column also will increase heated medium pipeline and ft connection.
(3), when employing take ammonia spirit as the working media of representative, point steam chest 8 involved by working solution increases cooling medium pipeline and ft connection if desired.
(4) Figure 1 shows that example, the concentrated solution of generator 3 is lowered the temperature through the first solution heat exchanger 6 step-down, flow through the second absorber 2 again absorbs heat and realizes components vaporize, and wherein the first solution heat exchanger 6 has two effects---and realize the heat exchange between solution and reducing pressure by regulating flow is carried out to concentrated solution; Solution choke valve is increased if desired on the concentrated solution pipeline of generator 3 outlet.
Detailed description of the invention:
The present invention is described in detail below in conjunction with accompanying drawing and example.When instantiation is stated, in inessential situation, do not repeat statement structure and flow process.
Single channel solution circulation back-heating type two-stage absorption-generation systems shown in Fig. 1 is achieved in that
1., in structure, it is primarily of the first absorber, the second absorber, generator, the first solution pump, the second solution pump, the first solution heat exchanger, the second solution heat exchanger and point steam chest composition, first absorber 1 has weak solution pipeline to be communicated with the second absorber 2 through the second solution heat exchanger 7, second absorber 2 also has weak solution pipeline to be communicated with generator 3 with the first solution heat exchanger 6 through the first solution pump 4, generator 3 also has concentrated solution pipeline to be communicated with a point steam chest 8 with the second absorber 2 through the first solution heat exchanger 6, steam chest 8 is divided to also have concentrated solution pipeline to be communicated with the first absorber 1 with the second solution heat exchanger 7 through the second solution pump 5, first absorber 1 also has heated medium pipeline and ft connection, second absorber 2 also has refrigerant vapour pipeline and ft connection, after outside has cryogen liquid pipeline to be communicated with the second absorber 2, the second absorber 2 has refrigerant steam channel to be communicated with the first absorber 1 again, generator 3 also has driving heat medium pipeline and ft connection respectively and has refrigerant steam channel and ft connection, steam chest 8 is divided to also have refrigerant steam channel and ft connection.
2., in flow process, the weak solution of the first absorber 1 enters the first absorber 2 through the second solution heat exchanger 7, absorb refrigerant vapour from outside and respectively heat release in the solution and the cryogen liquid that flow through the second absorber 2; The weak solution of the second absorber 2 enters generator 3 through the first solution pump 4 and the first solution heat exchanger 6, the solution release under the heating of driving thermal medium entering generator 3 also externally provides refrigerant vapour, and the concentrated solution of generator 3 flows through the second absorber 2 again after the first solution heat exchanger 6, heat absorbing part enters point steam chest 8 after vaporizing; Enter the solution release of point steam chest 8 and externally provide refrigerant vapour, cryogen liquid from outside flows through the second absorber 2, absorbs heat into refrigerant vapour and provide to the first absorber 1, the concentrated solution of point steam chest 8 enters the first absorber 1 through the second solution pump 5 and the second solution heat exchanger 7, absorb refrigerant vapour from the second absorber 2 and heat release in heated medium, form single channel solution circulation back-heating type two-stage absorption-generation systems.
Single channel solution circulation back-heating type two-stage absorption-generation systems shown in Fig. 2 is achieved in that
In the back-heating type two-stage absorption-generation systems shown in Fig. 1, second absorber 2 increases heated medium pipeline and ft connection, the weak solution of the first absorber 1 enters the first absorber 2 through the second solution heat exchanger 7, absorb refrigerant vapour from outside and heat release, in flowing through the solution of the second absorber 2, cryogen liquid and heated medium, forms single channel solution circulation back-heating type two-stage absorption-generation systems respectively.
Two-way solution circulation back-heating type two-stage absorption-generation systems shown in Fig. 3 is achieved in that
1., in structure, it is primarily of the first absorber, the second absorber, generator, the first solution pump, the second solution pump, the first solution heat exchanger, the second solution heat exchanger and point steam chest composition, first absorber 1 has weak solution pipeline to be communicated with a point steam chest 8 with the second absorber 2 through the second solution heat exchanger 7, steam chest 8 is divided to also have concentrated solution pipeline to be communicated with the first absorber 1 with the second solution heat exchanger 7 through the second solution pump 5, second absorber 2 also has weak solution pipeline to be communicated with generator 3 with the first solution heat exchanger 6 through the first solution pump 4, generator 3 also has concentrated solution pipeline to be communicated with the second absorber 2 through the first solution heat exchanger 6, first absorber 1 also has heated medium pipeline and ft connection, second absorber 2 also has refrigerant vapour pipeline and ft connection, after outside has cryogen liquid pipeline to be communicated with the second absorber 2, the second absorber 2 has refrigerant steam channel to be communicated with the first absorber 1 again, generator 3 also has driving heat medium pipeline and ft connection respectively and has refrigerant steam channel and ft connection, steam chest 8 is divided to also have refrigerant steam channel and ft connection.
2. in flow process, the weak solution of the second absorber 2 enters generator 3 through the first solution pump 4 and the first solution heat exchanger 6, the solution entering generator 3 release externally provide refrigerant vapour under the heating of driving thermal medium, the concentrated solution of generator 3 enters the second absorber 2 through the first solution heat exchanger 6, absorb refrigerant vapour from outside and respectively heat release in the solution and the cryogen liquid that flow through the second absorber 2, the weak solution of the first absorber 1 is through the second solution heat exchanger 7 decrease temperature and pressure, point steam chest 8 is entered after flowing through the second absorber 2 heat absorbing part vaporization again, enter the solution release of point steam chest 8 and externally provide refrigerant vapour, cryogen liquid from outside flows through the second absorber 2, absorb heat into refrigerant vapour and provide to the first absorber 1, the concentrated solution of steam chest 8 is divided to enter the first absorber 1 through the second solution pump 5 and the second solution heat exchanger 7, absorb from the refrigerant vapour of the second absorber 2 and heat release in heated medium, form two-way solution circulation back-heating type two-stage absorption-generation systems.
Back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 4 is achieved in that
1., in structure, it is primarily of the first condenser, the second condenser, evaporimeter, first throttle valve, the first cryogen liquid pump, the second cryogen liquid pump, the first absorber, the second absorber, generator, the first solution pump, the second solution pump, the first solution heat exchanger, the second solution heat exchanger and point steam chest composition, first absorber 1 has weak solution pipeline to be communicated with the second absorber 2 through the second solution heat exchanger 7, second absorber 2 also has weak solution pipeline to be communicated with generator 3 with the first solution heat exchanger 6 through the first solution pump 4, generator 3 also has concentrated solution pipeline to be communicated with a point steam chest 8 with the second absorber 2 through the first solution heat exchanger 6, steam chest 8 is divided to also have concentrated solution pipeline to be communicated with the first absorber 1 with the second solution heat exchanger 7 through the second solution pump 5, generator 3 also has refrigerant steam channel to be communicated with the first condenser 9, first condenser 9 also has cryogen liquid pipeline to be communicated with evaporimeter 11 through first throttle valve 12, steam chest 8 is divided to also have refrigerant steam channel to be communicated with the second condenser 10, second condenser 10 also has cryogen liquid pipeline to be communicated with evaporimeter 11 through the first cryogen liquid pump 13, evaporimeter 11 also has refrigerant steam channel to be communicated with the second absorber 2, evaporimeter 11 also has cryogen liquid pipeline second absorber 2 after the second cryogen liquid pump 14 is communicated with the second absorber 2 to have refrigerant steam channel to be communicated with the first absorber 1 again, generator 3 also has driving heat medium pipeline and ft connection, first absorber 1 and the first condenser 9 also have heated medium pipeline and ft connection respectively, second condenser 10 also has cooling medium pipeline and ft connection, evaporimeter 11 also has surplus heat medium pipeline and ft connection.
2. in flow process, the refrigerant vapour that generator 3 produces enters the first condenser 9, heat release becomes cryogen liquid in heated medium, and the cryogen liquid of the first condenser 9 enters evaporimeter 11 after choke valve 12 reducing pressure by regulating flow; The refrigerant vapour dividing steam chest 8 to discharge enters the second condenser 10, heat release becomes cryogen liquid in cooling medium, and the cryogen liquid of the second condenser 10 enters evaporimeter 11 through the first cryogen liquid pump 13 pressurization; The cryogen liquid entering evaporimeter 11 is divided into two-way---and the first via absorbs waste heat and becomes refrigerant vapour and provide to the second absorber 2, second tunnel flows through the second absorber 2 again, absorbs heat into refrigerant vapour and provide to the first absorber 1 after the second cryogen liquid pump 14 pressurizes, and forms back-heating type two-stage the 3rd class absorption heat pump.
Back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 5 is achieved in that
1., in structure, it is primarily of the first condenser, the second condenser, evaporimeter, first throttle valve, the first cryogen liquid pump, second throttle, the first absorber, the second absorber, generator, the first solution pump, the second solution pump, the first solution heat exchanger, the second solution heat exchanger and point steam chest composition, first absorber 1 has weak solution pipeline to be communicated with the second absorber 2 through the second solution heat exchanger 7, second absorber 2 also has weak solution pipeline to be communicated with generator 3 with the first solution heat exchanger 6 through the first solution pump 4, generator 3 also has concentrated solution pipeline to be communicated with a point steam chest 8 with the second absorber 2 through the first solution heat exchanger 6, steam chest 8 is divided to also have concentrated solution pipeline to be communicated with the first absorber 1 with the second solution heat exchanger 7 through the second solution pump 5, generator 3 also has refrigerant steam channel to be communicated with the first condenser 9, first condenser 9 also has cryogen liquid pipeline to be communicated with evaporimeter 11 through first throttle valve 12, steam chest 8 is divided to also have refrigerant steam channel to be communicated with the second condenser 10, second condenser 10 also has cryogen liquid pipeline to be communicated with evaporimeter 11 through the first cryogen liquid pump 13, evaporimeter 11 also has refrigerant steam channel to be communicated with the second absorber 2, first condenser 9 also has cryogen liquid pipeline second absorber 2 after second throttle 15 is communicated with the second absorber 2 to have refrigerant steam channel to be communicated with the first absorber 1 again, generator 3 also has driving heat medium pipeline and ft connection, first absorber 1 and the first condenser 9 also have heated medium pipeline and ft connection respectively, second absorber 2 also has heated medium pipeline and ft connection, second condenser 10 also has cooling medium pipeline and ft connection, evaporimeter 11 also has surplus heat medium pipeline and ft connection.
2. in flow process, the refrigerant vapour that generator 3 produces enters the first condenser 9, heat release becomes cryogen liquid in heated medium, the cryogen liquid of the first condenser 9 is divided into two-way---and the first via enters evaporimeter 11 after first throttle valve 12 reducing pressure by regulating flow, and the second tunnel flows through the second absorber 2 again, absorbs heat into refrigerant vapour and provide to the first absorber 1 after second throttle 15 throttling; The refrigerant vapour dividing steam chest 8 to discharge enters the second condenser 10, heat release becomes cryogen liquid in cooling medium, and the cryogen liquid of the second condenser 10 enters the first evaporimeter 11 after cryogen liquid pump 13 pressurizes; The cryogen liquid entering evaporimeter 11 absorbs waste heat and becomes refrigerant vapour and provide to the second absorber 2, forms back-heating type two-stage the 3rd class absorption heat pump.
Back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 6 is achieved in that
1., in structure, it is primarily of increase by first condenser, the second condenser, evaporimeter, choke valve, cryogen liquid pump, the first absorber, the second absorber, generator, the first solution pump, the second solution pump, the first solution heat exchanger, the second solution heat exchanger and point steam chest composition, first absorber 1 has weak solution pipeline to be communicated with a point steam chest 8 with the second absorber 2 through the second solution heat exchanger 7, steam chest 8 is divided to also have concentrated solution pipeline to be communicated with the first absorber 1 with the second solution heat exchanger 7 through the second solution pump 5, second absorber 2 also has weak solution pipeline to be communicated with generator 3 with the first solution heat exchanger 6 through the first solution pump 4, generator 3 also has concentrated solution pipeline to be communicated with the second absorber 2 through the first solution heat exchanger 6, generator 3 also has refrigerant steam channel to be communicated with the first condenser 9, first condenser 9 also has cryogen liquid pipeline to be communicated with evaporimeter 11 through choke valve 12, evaporimeter 11 also has refrigerant steam channel to be communicated with the second absorber 2, steam chest 8 is divided to also have refrigerant steam channel to be communicated with the second condenser 10, second condenser 10 also has cryogen liquid pipeline second absorber 2 after cryogen liquid pump 13 is communicated with the second absorber 2 to have refrigerant steam channel to be communicated with the first absorber 1 again, generator 3 also has driving heat medium pipeline and ft connection, first absorber 1 and the first condenser 9 also have heated medium pipeline and ft connection respectively, second condenser 10 also has cooling medium pipeline and ft connection, evaporimeter 11 also has surplus heat medium pipeline and ft connection.
2. in flow process, the refrigerant vapour that generator 3 produces enters the first condenser 9, heat release becomes cryogen liquid in heated medium, and the cryogen liquid of the first condenser 9 enters evaporimeter 11 after choke valve 12 reducing pressure by regulating flow, absorption waste heat becomes refrigerant vapour and provides to the second absorber 2; The refrigerant vapour dividing steam chest 8 to discharge enters the second condenser 10, heat release becomes cryogen liquid in cooling medium, the cryogen liquid of the second condenser 10 flows through the second absorber 2 again, absorbs heat into refrigerant vapour and provide to the first absorber 1 after cryogen liquid pump 13 pressurizes, and forms back-heating type two-stage the 3rd class absorption heat pump.
Back-heating type shown in Fig. 7 three grade of the 3rd class absorption heat pump is achieved in that
1. in structure, in back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 5, increase newly-increased choke valve, newly-increased absorption-evaporimeter and newly-increased solution pump, first absorber 1 is had weak solution pipeline through the second solution heat exchanger 7 to be communicated with the second absorber 2 be adjusted to the first absorber 1 have weak solution pipeline through the second solution heat exchanger 7 absorb with newly-increased-evaporimeter A is communicated with, newly-increased absorption-evaporimeter A also has weak solution pipeline to be communicated with the second absorber 2 through newly-increased solution pump B, had by evaporimeter 11 refrigerant steam channel to be communicated with the second absorber 2 to be adjusted to evaporimeter 11 have refrigerant steam channel absorb with newly-increased-evaporimeter A is communicated with, first condenser 9 set up cryogen liquid pipeline through newly-increased choke valve C absorb with newly-increased-evaporimeter A increase newly after being communicated with absorb-evaporimeter A has refrigerant steam channel to be communicated with the second absorber 2 again.
2. in flow process, the weak solution of the first absorber 1 through the second solution heat exchanger 7 enter newly-increased absorptions-evaporimeter A, absorb flash-pot 11 refrigerant vapour and heat release in the cryogen liquid flowing through newly-increased absorptions-evaporimeter A, the weak solution warp of newly-increased absorption-evaporimeter A increases solution pump B newly and enters the second absorber 2; One road cryogen liquid of the first condenser 9 flows through newly-increased absorption-evaporimeter A again, absorbs heat into refrigerant vapour and provide to the second absorber 2 after newly-increased choke valve C throttling, forms back-heating type three grade of the 3rd class absorption heat pump.
Back-heating type shown in Fig. 8 three grade of the 3rd class absorption heat pump is achieved in that
1. in structure, in back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 5, cancel the heated medium pipeline of the second absorber 2 and ft connection, increase newly-increased choke valve, newly-increased absorption-evaporimeter, newly-increased solution pump and newly-increased solution heat exchanger, to divide steam chest 8 have concentrated solution pipeline through the second solution pump 5 and the second solution heat exchanger 7 to be communicated with the first absorber 1 be adjusted to point steam chest 8 have concentrated solution pipeline through the second solution pump 5 absorb with newly-increased with newly-increased solution heat exchanger E-evaporimeter A is communicated with, newly-increased absorption-evaporimeter A also has weak solution pipeline through newly-increased solution pump B, newly-increased solution heat exchanger E is communicated with the first absorber 1 with the second solution heat exchanger 7, had by evaporimeter 11 refrigerant steam channel to be communicated with the second absorber 2 to be adjusted to evaporimeter 11 have refrigerant steam channel absorb with newly-increased-evaporimeter A is communicated with, first condenser 9 set up cryogen liquid pipeline through newly-increased choke valve C absorb with newly-increased-evaporimeter A increase newly after being communicated with absorb-evaporimeter A has refrigerant steam channel to be communicated with the second absorber 2 again.
2. in flow process, the concentrated solution of point steam chest 8 through the second solution pump 5 and newly-increased solution heat exchanger E enter newly-increased absorptions-evaporimeter A, absorb flash-pot 11 refrigerant vapour and heat release in cryogen liquid, the weak solution of newly-increased absorptions-evaporimeter A through increasing solution pump B newly, increase solution heat exchanger E newly and the second solution heat exchanger 7 enters the first absorber 1; One road cryogen liquid of the first condenser 9 flows through newly-increased absorption-evaporimeter A, absorbs heat into refrigerant vapour and provide to the second absorber 2 after newly-increased choke valve C throttling, forms back-heating type three grade of the 3rd class absorption heat pump.
Back-heating type shown in Fig. 9 three grade of the 3rd class absorption heat pump is achieved in that
1. in structure, in back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 6, increase newly-increased cryogen liquid pump, newly-increased absorption-evaporimeter, newly-increased solution pump and newly-increased solution heat exchanger, to divide steam chest 8 have concentrated solution pipeline through the second solution pump 5 and the second solution heat exchanger 7 to be communicated with the first absorber 1 be adjusted to point steam chest 8 have concentrated solution pipeline through the second solution pump 5 absorb with newly-increased with newly-increased solution heat exchanger E-evaporimeter A is communicated with, newly-increased absorption-evaporimeter A also has weak solution pipeline through newly-increased solution pump B, newly-increased solution heat exchanger E is communicated with the first absorber 1 with the second solution heat exchanger 7, had by evaporimeter 11 refrigerant steam channel to be communicated with the second absorber 2 to be adjusted to evaporimeter 11 have refrigerant steam channel absorb with newly-increased-evaporimeter A is communicated with, evaporimeter 11 set up cryogen liquid pipeline through newly-increased cryogen liquid pump D absorb with newly-increased-evaporimeter A increase newly after being communicated with absorb-evaporimeter A has refrigerant steam channel to be communicated with the second absorber 2 again.
2. in flow process, the concentrated solution of point steam chest 8 through the second solution pump 5 and newly-increased solution heat exchanger E enter newly-increased absorptions-evaporimeter A, absorb flash-pot 11 refrigerant vapour and heat release in cryogen liquid, the weak solution of newly-increased absorptions-evaporimeter A through increasing solution pump B newly, increase solution heat exchanger E newly and the second solution heat exchanger 7 enters the first absorber 1; The cryogen liquid of evaporimeter 11 flows through newly-increased absorption-evaporimeter A, absorbs heat into refrigerant vapour and provide to the second absorber 2 after newly-increased cryogen liquid pump D pressurizes, and forms back-heating type three grade of the 3rd class absorption heat pump.
Be secondary cryogenic heat supply end with newly-increased condenser back-heating type two-stage the 3rd class absorption heat pump is achieved in that shown in Figure 10
1. in structure, in back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 4, increase newly-increased generator, newly-increased condenser, newly-increased first throttle valve, newly-increased second throttle and newly-increased solution heat exchanger, first solution pump 4 is set up weak solution pipeline and is communicated with newly-increased generator F through newly-increased solution heat exchanger E, newly-increased generator F also has concentrated solution pipeline to be communicated with the second absorber 2 through newly-increased solution heat exchanger E, generator 3 set up refrigerant steam channel be communicated with newly-increased generator F after newly-increased generator F have cryogen liquid pipeline to be communicated with newly-increased condenser G through newly-increased first throttle valve C again---generator 3 provides refrigerant vapour to drive thermal medium as it to newly-increased generator F, newly-increased generator F also has refrigerant steam channel to be communicated with newly-increased condenser G, newly-increased condenser G also has cryogen liquid pipeline to be communicated with evaporimeter 11 through newly-increased second throttle H, had by first condenser 9 cryogen liquid pipeline to be communicated with evaporimeter 11 through choke valve 12 to be adjusted to the first condenser 9 and to have cryogen liquid pipeline to be communicated with newly-increased condenser G through choke valve 12, newly-increased condenser G also has heated medium pipeline and ft connection.
2. in flow process, a part of weak solution of the second absorber 2 enters newly-increased generator F through the first solution pump 4 and newly-increased solution heat exchanger E, refrigerant vapour from generator 3 flows through newly-increased generator F, heating enters the solution release refrigerant vapour in it and provides to newly-increased condenser G, the concentrated solution of newly-increased generator F enters the second absorber 2 through newly-increased solution heat exchanger E, and the refrigerant vapour heat release flowing through newly-increased generator F becomes cryogen liquid, enters newly-increased condenser G through newly-increased first throttle valve C throttling again; The refrigerant vapour heat release entering newly-increased condenser G becomes cryogen liquid in heated medium, the cryogen liquid of the first condenser 9 enters newly-increased condenser G through choke valve 12 throttling, the cryogen liquid of newly-increased condenser G enters evaporimeter 11 through newly-increased second throttle H throttling, back-heating type two-stage the 3rd class absorption heat pump that to be formed with newly-increased condenser be secondary cryogenic heat supply end.
Be secondary cryogenic heat supply end with newly-increased condenser back-heating type two-stage the 3rd class absorption heat pump is achieved in that shown in Figure 11
1. in structure, in back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 6, increase newly-increased generator, newly-increased condenser, newly-increased first throttle valve, newly-increased second throttle, newly-increased solution heat exchanger and newly-increased solution pump, had by second absorber 2 weak solution pipeline to be communicated with generator 3 through the first solution pump 4 and the first solution heat exchanger 6 to be adjusted to the second absorber 2 and to have weak solution pipeline to be communicated with newly-increased generator F with the first solution heat exchanger 6 through the first solution pump 4, newly-increased generator F also has concentrated solution pipeline to be communicated with generator 3 with newly-increased solution heat exchanger E through newly-increased solution pump B, had by generator 3 concentrated solution pipeline to be communicated with the second absorber 2 through the first solution heat exchanger 6 to be adjusted to generator 3 and to have concentrated solution pipeline to be communicated with the second absorber 2 with the first solution heat exchanger 6 through newly-increased solution heat exchanger E, generator 3 set up refrigerant steam channel be communicated with newly-increased generator F after newly-increased generator F have cryogen liquid pipeline to be communicated with newly-increased condenser G through newly-increased first throttle valve C again---generator 3 provides refrigerant vapour to drive thermal medium as it to newly-increased generator F, newly-increased generator F also has refrigerant steam channel to be communicated with newly-increased condenser G, newly-increased condenser G also has cryogen liquid pipeline to be communicated with evaporimeter 11 through newly-increased second throttle H, newly-increased condenser G also has heated medium pipeline and ft connection.
2. in flow process, the weak solution of the second absorber 2 enters newly-increased generator F through the first solution pump 4 and the first solution heat exchanger 6, refrigerant vapour from generator 3 flows through newly-increased generator F, heating enters the solution release refrigerant vapour in it and provides to newly-increased condenser G, the concentrated solution of newly-increased generator F enters generator 3 through newly-increased solution pump B and newly-increased solution heat exchanger E, the concentrated solution of generator 3 enters the second absorber 2 through newly-increased solution heat exchanger E and the first solution heat exchanger 6, the refrigerant vapour heat release flowing through newly-increased generator F becomes cryogen liquid, newly-increased condenser G is entered again through newly-increased first throttle valve C throttling, the refrigerant vapour heat release entering newly-increased condenser G becomes cryogen liquid in heated medium, the cryogen liquid of newly-increased condenser G enters evaporimeter 11 through newly-increased second throttle H throttling, back-heating type two-stage the 3rd class absorption heat pump that to be formed with newly-increased condenser be secondary cryogenic heat supply end.
Three grade of the 3rd class absorption heat pump of the back-heating type based on back-heating type two-stage shown in Figure 12 is achieved in that
1. in structure, in back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 4, increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger, being had by generator 3 refrigerant steam channel to be communicated with the first condenser 9 to be adjusted to generator 3 has refrigerant steam channel to be communicated with newly-increased absorber I, newly-increased absorber I also has weak solution pipeline to be communicated with newly-increased generator F with newly-increased solution heat exchanger E through newly-increased solution pump B, newly-increased generator F also has concentrated solution pipeline to be communicated with newly-increased absorber I through newly-increased solution heat exchanger E, newly-increased generator F also has refrigerant steam channel and the first condenser 9 connected sum to have to drive heat medium pipeline and ft connection respectively, newly-increased absorber I also has heated medium pipeline and ft connection.
2. in flow process, the refrigerant vapour that generator 3 produces enters newly-increased absorber I, is absorbed also heat release in heated medium by the concentrated solution from newly-increased generator F, and the weak solution of newly-increased absorber I enters newly-increased generator F through newly-increased solution pump B and newly-increased solution heat exchanger E; Thermal medium heating is driven to enter the solution release refrigerant vapour of newly-increased generator F and provide to the first condenser 9, the concentrated solution of newly-increased generator F enters newly-increased absorber I through newly-increased solution heat exchanger E, forms back-heating type three grade of the 3rd class absorption heat pump based on back-heating type two-stage.
Three grade of the 3rd class absorption heat pump of the back-heating type based on back-heating type two-stage shown in Figure 13 is achieved in that
1. in structure, in back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 4, increase newly-increased generator, newly-increased absorber, newly-increased solution pump, newly-increased solution heat exchanger, newly-increased condenser and newly-increased choke valve, generator 3 is set up refrigerant steam channel and is communicated with newly-increased absorber I, newly-increased absorber I also has weak solution pipeline to be communicated with newly-increased generator F with newly-increased solution heat exchanger E through newly-increased solution pump B, newly-increased generator F also has concentrated solution pipeline to be communicated with newly-increased absorber I through newly-increased solution heat exchanger E, newly-increased generator F also has refrigerant steam channel and newly-increased condenser G connected sum to have to drive heat medium pipeline and ft connection respectively, newly-increased condenser G also has cryogen liquid pipeline to be communicated with the first condenser 9 through newly-increased choke valve C, newly-increased absorber I and newly-increased condenser G also has heated medium pipeline and ft connection respectively.
2. in flow process, the part refrigerant vapour that generator 3 produces enters newly-increased absorber I, is absorbed also heat release in heated medium by the concentrated solution from newly-increased generator F, and the weak solution of newly-increased absorber I enters newly-increased generator F through newly-increased solution pump B and newly-increased solution heat exchanger E; Drive thermal medium heating enter the solution release refrigerant vapour of newly-increased generator F and provide to newly-increased condenser G, the concentrated solution of newly-increased generator F enters newly-increased absorber I through newly-increased solution heat exchanger E; The refrigerant vapour heat release entering newly-increased condenser G becomes cryogen liquid in heated medium, and the cryogen liquid of newly-increased condenser G enters the first condenser 9 through newly-increased choke valve C throttling, forms back-heating type three grade of the 3rd class absorption heat pump based on back-heating type two-stage.
Be additional high temperature heat supply end with newly-increased absorber back-heating type two-stage the 3rd class absorption heat pump is achieved in that shown in Figure 14
1. in structure, in back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 4, increase newly-increased absorption-evaporimeter, newly-increased absorber, newly-increased solution pump, newly-increased cryogen liquid pump, newly-increased first solution heat exchanger and newly-increased second solution heat exchanger, generator 3 is set up concentrated solution pipeline and is communicated with newly-increased absorber I through newly-increased second solution heat exchanger J, newly-increased absorber I also have weak solution pipeline through newly-increased first solution heat exchanger E with increase newly absorb-evaporimeter A is communicated with, newly-increased absorption-evaporimeter A also has weak solution pipeline through newly-increased solution pump B, newly-increased first solution heat exchanger E is communicated with generator 3 with newly-increased second solution heat exchanger J, evaporimeter 11 set up refrigerant steam channel absorb with newly-increased-evaporimeter A is communicated with, evaporimeter 11 set up cryogen liquid pipeline through newly-increased cryogen liquid pump D absorb with newly-increased-evaporimeter A increase newly after being communicated with absorb-evaporimeter A has refrigerant steam channel to be communicated with newly-increased absorber I again, newly-increased absorber I also has heated medium pipeline and ft connection.
2. in flow process, the part concentrated solution of generator 3 enters newly-increased absorber I through newly-increased second solution heat exchanger J, absorb from the refrigerant vapour of newly-increased absorption-evaporimeter A and heat release in heated medium, the weak solution of newly-increased absorber I enters newly-increased absorption-evaporimeter A through newly-increased first solution heat exchanger E, absorb the refrigerant vapour of flash-pot 11 and heat release in cryogen liquid, the weak solution of newly-increased absorption-evaporimeter A is through newly-increased solution pump B, newly-increased first solution heat exchanger E and newly-increased second solution heat exchanger J enters generator 3, one road cryogen liquid of evaporimeter 11 flows through newly-increased absorption-evaporimeter A after newly-increased cryogen liquid pump D pressurizes, absorb heat into refrigerant vapour and provide to newly-increased absorber I, form back-heating type two-stage the 3rd class absorption heat pump being additional high temperature heat supply end with newly-increased absorber.
Be additional high temperature heat supply end with newly-increased absorber back-heating type two-stage the 3rd class absorption heat pump is achieved in that shown in Figure 15
In back-heating type two-stage the 3rd class absorption heat pump of the heat supply end of additional high temperature shown in Figure 14, increase newly-increased evaporimeter and newly-increased second throttle, evaporimeter 11 is set up cryogen liquid pipeline and is communicated with newly-increased evaporimeter K through newly-increased second throttle H, evaporimeter 11 is had refrigerant steam channel absorbs with newly-increased-evaporimeter A be communicated be adjusted to newly-increased evaporimeter K refrigerant steam channel with increase newly absorb-evaporimeter A is communicated with, newly-increased evaporimeter K also has surplus heat medium pipeline and ft connection, back-heating type two-stage the 3rd class absorption heat pump that to be formed with newly-increased absorber be additional high temperature heat supply end.
Be additional high temperature heat supply end with newly-increased absorber back-heating type two-stage the 3rd class absorption heat pump is achieved in that shown in Figure 16
1. in structure, in back-heating type two-stage the 3rd class absorption heat pump shown in Fig. 4, increase newly-increased absorption-evaporimeter, newly-increased absorber, newly-increased solution pump, newly-increased first throttle valve, newly-increased first solution heat exchanger, newly-increased second solution heat exchanger, newly-increased second throttle and newly-increased evaporimeter, had by second absorber 2 weak solution pipeline to be communicated with generator 3 through the first solution pump 4 and the first solution heat exchanger 6 to be adjusted to the second absorber 2 and to have weak solution pipeline to be communicated with newly-increased absorber I with the first solution heat exchanger 6 through the first solution pump 4, newly-increased absorber I also have weak solution pipeline through newly-increased first solution heat exchanger E with increase newly absorb-evaporimeter A is communicated with, newly-increased absorption-evaporimeter A also has weak solution pipeline through newly-increased solution pump B, newly-increased first solution heat exchanger E is communicated with generator 3 with newly-increased second solution heat exchanger J, had by generator 3 concentrated solution pipeline to be communicated with a point steam chest 8 through the first solution heat exchanger 6 and the second absorber 2 to be adjusted to generator 3 and to have concentrated solution pipeline through increasing the second solution heat exchanger J newly, first solution heat exchanger 6 is communicated with a point steam chest 8 with the second absorber 2, evaporimeter 11 is set up cryogen liquid pipeline and is communicated with newly-increased evaporimeter K through newly-increased second throttle H, newly-increased evaporimeter K have refrigerant steam channel with increase newly absorb-evaporimeter A is communicated with, first condenser 9 set up cryogen liquid pipeline through newly-increased first throttle valve C absorb with newly-increased-evaporimeter A increase newly after being communicated with absorb-evaporimeter A has refrigerant steam channel to be communicated with newly-increased absorber I again, newly-increased absorber I also has heated medium pipeline and ft connection.
2. in flow process, the weak solution of the second absorber 2 enters newly-increased absorber I through the first solution pump 4 and the first solution heat exchanger 6, absorb from the refrigerant vapour of newly-increased absorption-evaporimeter A and heat release in heated medium, the weak solution of newly-increased absorber I enters newly-increased absorption-evaporimeter A through newly-increased first solution heat exchanger E, absorb from the refrigerant vapour of newly-increased evaporimeter K and heat release in cryogen liquid, the weak solution of newly-increased absorption-evaporimeter A is through newly-increased solution pump B, newly-increased first solution heat exchanger E and newly-increased second solution heat exchanger J enters generator 3, the concentrated solution of generator 3 is through newly-increased second solution heat exchanger J, first solution heat exchanger 6 and the second absorber 2 enter point steam chest 8, one road cryogen liquid of evaporimeter 11 enters newly-increased evaporimeter K through newly-increased second throttle H throttling, the waste heat that absorbs heat becomes refrigerant vapour and provides to newly-increased absorption-evaporimeter A, one road cryogen liquid of the first condenser 9 flows through newly-increased absorption-evaporimeter A, absorbs heat into refrigerant vapour and provide to newly-increased absorber I after newly-increased first throttle valve C throttling, back-heating type two-stage the 3rd class absorption heat pump that to be formed with newly-increased absorber be additional high temperature heat supply end.
The effect that the technology of the present invention can realize---back-heating type two-stage absorption-generation systems proposed by the invention and back-heating type the 3rd class absorption heat pump, have following effect and advantage:
1. the back-heating type two-stage absorption-generation systems proposed, structure is simple, and flow process is reasonable, and backheat amplitude is adjustable.
2. back-heating type the 3rd class absorption heat pump proposed, can promote more than two-stage and two-stage by waste heat supply temperature, can utilize the residual heat resources of lower temperature, improves residual heat resources utilization rate.
3. back-heating type the 3rd class absorption heat pump proposed, can select the degree of backheat, be conducive to obtaining superior performance index, can improve efficiency of energy utilization according to the height of waste heat parameter and heat supply temperature.
4. back-heating type the 3rd class absorption heat pump proposed, abundant and extend the 3rd class absorption heat pump, can to realize between heat pump heat supply with user's heat better mutual mates.
5. back-heating type the 3rd class absorption heat pump proposed, makes to realize correspondence continuously between single unit running parameter and performance index, makes on running parameter and performance index, realize free of discontinuities between adjacent unit and is connected.

Claims (13)

1. back-heating type the 3rd class absorption heat pump, primarily of the first condenser, the second condenser, evaporimeter, first throttle valve, the first cryogen liquid pump, the second cryogen liquid pump or second throttle, the first absorber, the second absorber, generator, the first solution pump, the second solution pump, the first solution heat exchanger, the second solution heat exchanger and point steam chest composition; first absorber (1) has weak solution pipeline to be communicated with the second absorber (2) through the second solution heat exchanger (7), second absorber (2) also has weak solution pipeline to be communicated with generator (3) with the first solution heat exchanger (6) through the first solution pump (4), generator (3) also has concentrated solution pipeline to be communicated with a point steam chest (8) with the second absorber (2) through the first solution heat exchanger (6), steam chest (8) is divided to also have concentrated solution pipeline to be communicated with the first absorber (1) with the second solution heat exchanger (7) through the second solution pump (5), generator (3) also has refrigerant steam channel to be communicated with the first condenser (9), first condenser (9) also has cryogen liquid pipeline to be communicated with evaporimeter (11) through first throttle valve (12), steam chest (8) is divided to also have refrigerant steam channel to be communicated with the second condenser (10), second condenser (10) also has cryogen liquid pipeline to be communicated with evaporimeter (11) through the first cryogen liquid pump (13), evaporimeter (11) also has refrigerant steam channel to be communicated with the second absorber (2), evaporimeter (11) also has cryogen liquid pipeline second absorber (2) after the second cryogen liquid pump (14) is communicated with the second absorber (2) to have refrigerant steam channel to be communicated with the first absorber (1) again, or first condenser (9) also have cryogen liquid pipeline second absorber (2) after second throttle (15) is communicated with the second absorber (2) have refrigerant steam channel to be communicated with the first absorber (1) again, generator (3) also has driving heat medium pipeline and ft connection, first absorber (1) and the first condenser (9) also have heated medium pipeline and ft connection respectively, second absorber (2) or in addition heated medium pipeline and ft connection, second condenser (10) also has cooling medium pipeline and ft connection, evaporimeter (11) also has surplus heat medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump.
2. back-heating type the 3rd class absorption heat pump, primarily of the first condenser, the second condenser, evaporimeter, choke valve, cryogen liquid pump, the first absorber, the second absorber, generator, the first solution pump, the second solution pump, the first solution heat exchanger, the second solution heat exchanger and point steam chest composition; first absorber (1) has weak solution pipeline to be communicated with a point steam chest (8) with the second absorber (2) through the second solution heat exchanger (7), steam chest (8) is divided to also have concentrated solution pipeline to be communicated with the first absorber (1) with the second solution heat exchanger (7) through the second solution pump (5), second absorber (2) also has weak solution pipeline to be communicated with generator (3) with the first solution heat exchanger (6) through the first solution pump (4), generator (3) also has concentrated solution pipeline to be communicated with the second absorber (2) through the first solution heat exchanger (6), generator (3) also has refrigerant steam channel to be communicated with the first condenser (9), first condenser (9) also has cryogen liquid pipeline to be communicated with evaporimeter (11) through choke valve (12), evaporimeter (11) also has refrigerant steam channel to be communicated with the second absorber (2), steam chest (8) is divided to also have refrigerant steam channel to be communicated with the second condenser (10), second condenser (10) also has cryogen liquid pipeline second absorber (2) after cryogen liquid pump (13) is communicated with the second absorber (2) to have refrigerant steam channel to be communicated with the first absorber (1) again, generator (3) also has driving heat medium pipeline and ft connection, first absorber (1) and the first condenser (9) also have heated medium pipeline and ft connection respectively, second absorber (2) or in addition heated medium pipeline and ft connection, second condenser (10) also has cooling medium pipeline and ft connection, evaporimeter (11) also has surplus heat medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump.
3. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in claim 1-2, increase newly-increased cryogen liquid pump or newly-increased choke valve, newly-increased absorption-evaporimeter and newly-increased solution pump, had by first absorber (1) weak solution pipeline to be communicated with the second absorber (2) through the second solution heat exchanger (7) to be adjusted to the first absorber (1) and to have weak solution pipeline to absorb-evaporimeter (A) through the second solution heat exchanger (7) be communicated with newly-increased, newly-increased absorption-evaporimeter (A) also has weak solution pipeline to be communicated with the second absorber (2) through newly-increased solution pump (B), refrigerant steam channel is had by evaporimeter (11) to be communicated with the second absorber (2) to be adjusted to evaporimeter (11) to have refrigerant steam channel to absorb-evaporimeter (A) be communicated with newly-increased, first condenser (9) set up cryogen liquid pipeline through newly-increased choke valve (C) with newly-increased absorb to increase newly after-evaporimeter (A) is communicated with absorb-evaporimeter (A) and have refrigerant steam channel to be communicated with the second absorber (2) again, or evaporimeter (11) set up cryogen liquid pipeline through newly-increased cryogen liquid pump (D) with newly-increased absorb to increase newly after-evaporimeter (A) is communicated with absorb-evaporimeter (A) and have refrigerant steam channel to be communicated with the second absorber (2) again, form back-heating type three grade of the 3rd class absorption heat pump.
4. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in claim 1-2, increase newly-increased cryogen liquid pump or newly-increased choke valve, newly-increased absorption-evaporimeter, newly-increased solution pump and newly-increased solution heat exchanger, steam chest (8) will be divided to have concentrated solution pipeline to be communicated with the first absorber (1) through the second solution pump (5) and the second solution heat exchanger (7) be adjusted to a point steam chest (8) and have concentrated solution pipeline to absorb-evaporimeter (A) through the second solution pump (5) and newly-increased solution heat exchanger (E) be communicated with newly-increased, newly-increased absorption-evaporimeter (A) also has weak solution pipeline through newly-increased solution pump (B), newly-increased solution heat exchanger (E) is communicated with the first absorber (1) with the second solution heat exchanger (7), refrigerant steam channel is had by evaporimeter (11) to be communicated with the second absorber (2) to be adjusted to evaporimeter (11) to have refrigerant steam channel to absorb-evaporimeter (A) be communicated with newly-increased, first condenser (9) set up cryogen liquid pipeline through newly-increased choke valve (C) with newly-increased absorb to increase newly after-evaporimeter (A) is communicated with absorb-evaporimeter (A) and have refrigerant steam channel to be communicated with the second absorber (2) again, or evaporimeter (11) set up cryogen liquid pipeline through newly-increased cryogen liquid pump (D) with newly-increased absorb to increase newly after-evaporimeter (A) is communicated with absorb-evaporimeter (A) and have refrigerant steam channel to be communicated with the second absorber (2) again, form back-heating type three grade of the 3rd class absorption heat pump.
5. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in claim 1-2, increase newly-increased generator, newly-increased condenser, newly-increased first throttle valve, newly-increased second throttle and newly-increased solution heat exchanger, first solution pump (4) is set up weak solution pipeline and is communicated with newly-increased generator (F) through newly-increased solution heat exchanger (E), newly-increased generator (F) also has concentrated solution pipeline to be communicated with the second absorber (2) through newly-increased solution heat exchanger (E), generator (3) set up refrigerant steam channel be communicated with newly-increased generator (F) after newly-increased generator (F) have cryogen liquid pipeline to be communicated with newly-increased condenser (G) through newly-increased first throttle valve (C) again---generator (3) provides refrigerant vapour to drive thermal medium as it to newly-increased generator (F), newly-increased generator (F) also has refrigerant steam channel to be communicated with newly-increased condenser (G), newly-increased condenser (G) also has cryogen liquid pipeline to be communicated with evaporimeter (11) through newly-increased second throttle (H), newly-increased condenser (G) also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being secondary cryogenic heat supply end with newly-increased condenser, wherein, or by the first condenser (9) have cryogen liquid pipeline to be communicated with evaporimeter (11) through first throttle valve (12) to be adjusted to the first condenser (9) and to have cryogen liquid pipeline to be communicated with newly-increased condenser (G) through first throttle valve (12).
6. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump according to claim 1, increase newly-increased generator, newly-increased condenser, newly-increased first throttle valve, newly-increased second throttle, newly-increased solution heat exchanger and newly-increased solution pump, had by second absorber (2) weak solution pipeline to be communicated with generator (3) through the first solution pump (4) and the first solution heat exchanger (6) to be adjusted to the second absorber (2) and to have weak solution pipeline to be communicated with newly-increased generator (F) with the first solution heat exchanger (6) through the first solution pump (4), newly-increased generator (F) also has concentrated solution pipeline to be communicated with generator (3) with newly-increased solution heat exchanger (E) through newly-increased solution pump (B), had by generator (3) concentrated solution pipeline to be communicated with a point steam chest (8) through the first solution heat exchanger (6) and the second absorber (2) to be adjusted to generator (3) and to have concentrated solution pipeline through increasing solution heat exchanger (E) newly, first solution heat exchanger (6) is communicated with a point steam chest (8) with the second absorber (2), generator (3) set up refrigerant steam channel be communicated with newly-increased generator (F) after newly-increased generator (F) have cryogen liquid pipeline to be communicated with newly-increased condenser (G) through newly-increased first throttle valve (C) again---generator (3) provides refrigerant vapour to drive thermal medium as it to newly-increased generator (F), newly-increased generator (F) also has refrigerant steam channel to be communicated with newly-increased condenser (G), newly-increased condenser (G) also has cryogen liquid pipeline to be communicated with evaporimeter (11) through newly-increased second throttle (H), newly-increased condenser (G) also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being secondary cryogenic heat supply end with newly-increased condenser, wherein, or by the first condenser (9) have cryogen liquid pipeline to be communicated with evaporimeter (11) through first throttle valve (12) to be adjusted to the first condenser (9) and to have cryogen liquid pipeline to be communicated with newly-increased condenser (G) through first throttle valve (12).
7. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump according to claim 2, increase newly-increased generator, newly-increased condenser, newly-increased first throttle valve, newly-increased second throttle, newly-increased solution heat exchanger and newly-increased solution pump, had by second absorber (2) weak solution pipeline to be communicated with generator (3) through the first solution pump (4) and the first solution heat exchanger (6) to be adjusted to the second absorber (2) and to have weak solution pipeline to be communicated with newly-increased generator (F) with the first solution heat exchanger (6) through the first solution pump (4), newly-increased generator (F) also has concentrated solution pipeline to be communicated with generator (3) with newly-increased solution heat exchanger (E) through newly-increased solution pump (B), had by generator (3) concentrated solution pipeline to be communicated with the second absorber (2) through the first solution heat exchanger (6) to be adjusted to generator (3) and to have concentrated solution pipeline to be communicated with the second absorber (2) with the first solution heat exchanger (6) through newly-increased solution heat exchanger (E), generator (3) set up refrigerant steam channel be communicated with newly-increased generator (F) after newly-increased generator (F) have cryogen liquid pipeline to be communicated with newly-increased condenser (G) through newly-increased first throttle valve (C) again---generator (3) provides refrigerant vapour to drive thermal medium as it to newly-increased generator (F), newly-increased generator (F) also has refrigerant steam channel to be communicated with newly-increased condenser (G), newly-increased condenser (G) also has cryogen liquid pipeline to be communicated with evaporimeter (11) through newly-increased second throttle (H), newly-increased condenser (G) also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being secondary cryogenic heat supply end with newly-increased condenser, wherein, or by the first condenser (9) have cryogen liquid pipeline to be communicated with evaporimeter (11) through first throttle valve (12) to be adjusted to the first condenser (9) and to have cryogen liquid pipeline to be communicated with newly-increased condenser (G) through first throttle valve (12).
8. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in claim 1-2, increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger, being had by generator (3) refrigerant steam channel to be communicated with the first condenser (9) to be adjusted to generator (3) has refrigerant steam channel to be communicated with newly-increased absorber (I), newly-increased absorber (I) also has weak solution pipeline to be communicated with newly-increased generator (F) with newly-increased solution heat exchanger (E) through newly-increased solution pump (B), newly-increased generator (F) also has concentrated solution pipeline to be communicated with newly-increased absorber (I) through newly-increased solution heat exchanger (E), newly-increased generator (F) also has refrigerant steam channel and the first condenser (9) connected sum to have to drive heat medium pipeline and ft connection respectively, newly-increased absorber (I) also has heated medium pipeline and ft connection, form back-heating type three grade of the 3rd class absorption heat pump based on back-heating type two-stage.
9. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in claim 1-2, increase newly-increased generator, newly-increased absorber, newly-increased solution pump, newly-increased solution heat exchanger, newly-increased condenser and newly-increased choke valve, generator (3) is set up refrigerant steam channel and is communicated with newly-increased absorber (I), newly-increased absorber (I) also has weak solution pipeline to be communicated with newly-increased generator (F) with newly-increased solution heat exchanger (E) through newly-increased solution pump (B), newly-increased generator (F) also has concentrated solution pipeline to be communicated with newly-increased absorber (I) through newly-increased solution heat exchanger (E), newly-increased generator (F) also has refrigerant steam channel and newly-increased condenser (G) connected sum to have to drive heat medium pipeline and ft connection respectively, newly-increased condenser (G) also has cryogen liquid pipeline to be communicated with the first condenser (9) or evaporimeter (11) through newly-increased choke valve (C), newly-increased absorber (I) and newly-increased condenser (G) also have heated medium pipeline and ft connection respectively, form back-heating type three grade of the 3rd class absorption heat pump based on back-heating type two-stage.
10. back-heating type the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in claim 1-2, increase newly-increased absorption-evaporimeter, newly-increased absorber, newly-increased solution pump, newly-increased choke valve or newly-increased cryogen liquid pump, newly-increased first solution heat exchanger and newly-increased second solution heat exchanger, generator (3) is set up concentrated solution pipeline and is communicated with newly-increased absorber (I) through newly-increased second solution heat exchanger (J), newly-increased absorber (I) also has weak solution pipeline to absorb-evaporimeter (A) through newly-increased first solution heat exchanger (E) and be communicated with increasing newly, newly-increased absorption-evaporimeter (A) also has weak solution pipeline through newly-increased solution pump (B), newly-increased first solution heat exchanger (E) is communicated with generator (3) with newly-increased second solution heat exchanger (J), evaporimeter (11) is set up refrigerant steam channel and is absorbed-evaporimeter (A) be communicated with newly-increased, first condenser (9) set up cryogen liquid pipeline through newly-increased choke valve (C) with newly-increased absorb to increase newly after-evaporimeter (A) is communicated with absorb-evaporimeter (A) and have refrigerant steam channel to be communicated with newly-increased absorber (I) again, or evaporimeter (11) set up cryogen liquid pipeline through newly-increased cryogen liquid pump (D) with newly-increased absorb to increase newly after-evaporimeter (A) is communicated with absorb-evaporimeter (A) and have refrigerant steam channel to be communicated with newly-increased absorber (I) again, newly-increased absorber (I) also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being additional high temperature heat supply end with newly-increased absorber.
11. back-heating types the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump according to claim 1, increase newly-increased absorption-evaporimeter, newly-increased absorber, newly-increased solution pump, newly-increased choke valve or newly-increased cryogen liquid pump, newly-increased first solution heat exchanger and newly-increased second solution heat exchanger, had by second absorber (2) weak solution pipeline to be communicated with generator (3) through the first solution pump (4) and the first solution heat exchanger (6) to be adjusted to the second absorber (2) and to have weak solution pipeline to be communicated with newly-increased absorber (I) with the first solution heat exchanger (6) through the first solution pump (4), newly-increased absorber (I) also has weak solution pipeline to absorb-evaporimeter (A) through newly-increased first solution heat exchanger (E) and be communicated with increasing newly, newly-increased absorption-evaporimeter (A) also has weak solution pipeline through newly-increased solution pump (B), newly-increased first solution heat exchanger (E) is communicated with generator (3) with newly-increased second solution heat exchanger (J), had by generator (3) concentrated solution pipeline to be communicated with a point steam chest (8) through the first solution heat exchanger (6) and the second absorber (2) to be adjusted to generator (3) and to have concentrated solution pipeline through increasing the second solution heat exchanger (J) newly, first solution heat exchanger (6) is communicated with a point steam chest (8) with the second absorber (2), evaporimeter (11) is set up refrigerant steam channel and is absorbed-evaporimeter (A) be communicated with newly-increased, first condenser (9) set up cryogen liquid pipeline through newly-increased choke valve (C) with newly-increased absorb to increase newly after-evaporimeter (A) is communicated with absorb-evaporimeter (A) and have refrigerant steam channel to be communicated with newly-increased absorber (I) again, or evaporimeter (11) set up cryogen liquid pipeline through newly-increased cryogen liquid pump (D) with newly-increased absorb to increase newly after-evaporimeter (A) is communicated with absorb-evaporimeter (A) and have refrigerant steam channel to be communicated with newly-increased absorber (I) again, newly-increased absorber (I) also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being additional high temperature heat supply end with newly-increased absorber.
12. back-heating types the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump according to claim 2, increase newly-increased absorption-evaporimeter, newly-increased absorber, newly-increased solution pump, newly-increased choke valve or newly-increased cryogen liquid pump, newly-increased first solution heat exchanger and newly-increased second solution heat exchanger, had by second absorber (2) weak solution pipeline to be communicated with generator (3) through the first solution pump (4) and the first solution heat exchanger (6) to be adjusted to the second absorber (2) and to have weak solution pipeline to be communicated with newly-increased absorber (I) with the first solution heat exchanger (6) through the first solution pump (4), newly-increased absorber (I) also has weak solution pipeline to absorb-evaporimeter (A) through newly-increased first solution heat exchanger (E) and be communicated with increasing newly, newly-increased absorption-evaporimeter (A) also has weak solution pipeline through newly-increased solution pump (B), newly-increased first solution heat exchanger (E) is communicated with generator (3) with newly-increased second solution heat exchanger (J), had by generator (3) concentrated solution pipeline to be communicated with the second absorber (2) through the first solution heat exchanger (6) to be adjusted to generator (3) and to have concentrated solution pipeline to be communicated with the second absorber (2) with the first solution heat exchanger (6) through newly-increased second solution heat exchanger (J), evaporimeter (11) is set up refrigerant steam channel and is absorbed-evaporimeter (A) be communicated with newly-increased, first condenser (9) set up cryogen liquid pipeline through newly-increased choke valve (C) with newly-increased absorb to increase newly after-evaporimeter (A) is communicated with absorb-evaporimeter (A) and have refrigerant steam channel to be communicated with newly-increased absorber (I) again, or evaporimeter (11) set up cryogen liquid pipeline through newly-increased cryogen liquid pump (D) with newly-increased absorb to increase newly after-evaporimeter (A) is communicated with absorb-evaporimeter (A) and have refrigerant steam channel to be communicated with newly-increased absorber (I) again, newly-increased absorber (I) also has heated medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being additional high temperature heat supply end with newly-increased absorber.
13. back-heating types the 3rd class absorption heat pump, in arbitrary back-heating type two-stage the 3rd class absorption heat pump described in claim 10-12, increase newly-increased evaporimeter and newly-increased second throttle, evaporimeter (11) is set up cryogen liquid pipeline and is communicated with newly-increased evaporimeter (K) through newly-increased second throttle (H), refrigerant steam channel is had by evaporimeter (11) to be communicated with and to be adjusted to newly-increased evaporimeter (K) with the newly-increased-evaporimeter (A) that absorbs and to have refrigerant steam channel to absorb-evaporimeter (A) and be communicated with increasing newly, newly-increased evaporimeter (K) also has surplus heat medium pipeline and ft connection, form back-heating type two-stage the 3rd class absorption heat pump being additional high temperature heat supply end with newly-increased absorber.
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CN101929763A (en) * 2009-08-27 2010-12-29 李华玉 Compound class II absorption heat pump on single-stage basis

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