CN101644505A - Composite adsorption type heat pump adding high-temperature heat supply end on the basis of double-effect or multiple-effect - Google Patents
Composite adsorption type heat pump adding high-temperature heat supply end on the basis of double-effect or multiple-effect Download PDFInfo
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- CN101644505A CN101644505A CN200910168441A CN200910168441A CN101644505A CN 101644505 A CN101644505 A CN 101644505A CN 200910168441 A CN200910168441 A CN 200910168441A CN 200910168441 A CN200910168441 A CN 200910168441A CN 101644505 A CN101644505 A CN 101644505A
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Abstract
The invention discloses a composite adsorption type heat pump adding a high-temperature heat supply end on the basis of double-effect or multiple-effect, belonging to the technical field of heat pump/refrigeration. In the existing double-effect or multiple-effect first class adsorption type heat pumps, a newly increased condenser and a newly increased throttling valve are added; a refrigerant vapour path is added in a self double-effect high-pressure generator or a triple-effect set middle-pressure generator to be communicated with the newly increased condenser; the newly increased condenser is communicated with a condenser or an evaporator via the newly increased throttling valve; the newly increased condenser is provided with a heated medium pipeline to be communicated with outside, is anewly increased high-temperature heat supplying end and obtains a single-effect and double-effect flow or a double-effect and triple-effect flow combined adsorption type heat pump; an adjusting valveand a second adjusting valve are added, and the condenser is connected with the inlet and the outlet of the heated medium pipeline of the newly increased condenser by the adjusting valve and the second adjusting valve via a heated medium outlet so as to obtain corresponding adjustable combined adsorption type heat pump. The invention fills the gap of single-effect and double-effect or double-effect and triple-effect, lowers temperature requirements on driving heat medium and can improve residual heat resource utilization ratio when supplying heat or refrigerating.
Description
Technical field:
The invention belongs to low temperature exhaust heat utilization and absorption type heat pump.
Background technology:
Adopting absorption heat pump/Refrigeration Technique to carry out UTILIZATION OF VESIDUAL HEAT IN is effective means.Simple in structure, performance index is high, can satisfy the demands and a machine double-purpose (or many with) is the direction and the requirement of absorption heating/Refrigeration Technique development.When carrying out the heat utilization of waste heat, the heat supply temperature height of single-action unit but performance index is low, the performance index height of economic benefits and social benefits unit but heat supply temperature is low that is to say the relation that mutual restriction is arranged between the running parameter of unit and its performance index.Like this, when heated medium need be heated to higher temperature by lower relatively temperature, adopt the heat pump flowsheet of single effect number often can't be implemented in that unit obtains higher performance index when satisfying the heat supply temperature demand.In addition, occasion such as heat supply that needs higher temperature winter and summer cooling, unit in the winter time will be according to the single-action mode operation to provide the heating parameter of higher temperature as heat pump, and unit need be according to economic benefits and social benefits and the above mode operation of economic benefits and social benefits obtaining higher performance index when freezing summer, and this needs a cover unit can realize conversion between single-action and the economic benefits and social benefits.
Maximize and realize conversion between single-action and the economic benefits and social benefits as far as possible for what when meeting consumers' demand, realize the unit performance index, consider the simplification of heat pump/refrigerating system simultaneously, in same unit, realize effectively and reasonably compound of heat pump/refrigerating flow process, realize that composite absorption heat pump/cooling flow is highly significant.
Summary of the invention:
Main purpose of the present invention is to be provided at the composite absorption heat pump that increases high-temperature heat supply end on economic benefits and social benefits or the multiple-effect basis, be in existing single-stage double effect absorption type heat pump or single-stage three-effect absorption-type heat pump, to increase newly-increased condenser and newly-increased choke valve, or providing refrigerant vapour to drive thermal medium for low pressure generator when, provide refrigerant vapour to form new single-action high-temperature heat supply end to newly-increased condenser as it by the high pressure generator of double effect absorption type heat pump, comprised the composite absorption heat pump of single-action flow process and double-effect process simultaneously; Or providing refrigerant vapour to drive thermal medium for low pressure generator when, provide refrigerant vapour to form new economic benefits and social benefits high-temperature heat supply end to newly-increased condenser as it by the middle pressure generator of three-effect absorption-type heat pump, comprised the composite absorption heat pump of double-effect process and triple effect flow process simultaneously; Increase the control valve and second control valve again, absorber or condenser have the heated medium export pipeline to be communicated with newly-increased condenser heated medium inlet ductwork through control valve, absorber or condenser also have the heated medium export pipeline to be communicated with newly-increased condenser heated medium export pipeline through second control valve, obtain the corresponding adjustable composite absorption heat pump that increases high-temperature heat supply end on economic benefits and social benefits or triple effect heat pump basis.Particular content of the present invention is as follows:
The composite absorption heat pump that increases high-temperature heat supply end on the double-effect heat pump basis is achieved in that by high pressure generator, low pressure generator, condenser, evaporimeter, absorber, choke valve, second choke valve, solution pump, solution heat exchanger, second solution heat exchanger and cryogen liquid recirculation pump or add in the double effect absorption type heat pump that second solution pump forms, increase newly-increased condenser and newly-increased choke valve, set up the newly-increased condenser of refrigerant vapour pipeline connection from high pressure generator, newly-increased condenser also has the cryogen liquid pipeline to be communicated with evaporimeter or to be communicated with condenser through newly-increased choke valve, and newly-increased condenser has heated medium pipeline and external communications again; It is characterized in that: provide refrigerant vapour to form new single-action high-temperature heat supply end to newly-increased condenser when high pressure generator provides refrigerant vapour to drive thermal medium as it for low pressure generator, obtain comprising single-action and double-effect process and by absorber, condenser and newly-increased condenser respectively to the composite absorption heat pump of heated medium heat supply.
Be achieved in that in the composite absorption heat pump that on above-mentioned double-effect heat pump basis, increases high-temperature heat supply end and form at the adjustable composite absorption heat pump that increases high-temperature heat supply end on the double-effect heat pump basis, increase the control valve and second control valve, absorber or condenser heated medium export pipeline are communicated with newly-increased condenser heated medium inlet ductwork through control valve, and absorber or condenser heated medium export pipeline are communicated with newly-increased condenser heated medium export pipeline through second control valve; It is characterized in that: when only closing second control valve, composite absorption heat pump is according to single-action and the operation of economic benefits and social benefits complex flow; When only closing control valve, composite absorption heat pump moves according to double-effect process; When the control valve and second control valve were all opened, composite absorption heat pump was according to adjustable single-action and the operation of economic benefits and social benefits complex flow.
The composite absorption heat pump that increases high-temperature heat supply end on triple effect heat pump basis is achieved in that by high pressure generator, the middle generator of pressing, low pressure generator, condenser, evaporimeter, absorber, choke valve, second choke valve, the 3rd choke valve, solution pump, solution heat exchanger, second solution heat exchanger, the 3rd solution heat exchanger and cryogen liquid recirculation pump or add second solution pump, in the three-effect absorption-type heat pump that the 3rd solution pump is formed, increase newly-increased condenser and newly-increased choke valve newly, from middle pressure generator set up the newly-increased condenser of refrigerant vapour pipeline connection or/and simultaneously high pressure generator is had press generator in the refrigerant vapour pipeline connection after in press generator to have the cryogen liquid pipeline to be communicated with condenser again to change into and be communicated with newly-increased condenser through second choke valve, newly-increased condenser also has the cryogen liquid pipeline to be communicated with evaporimeter or to be communicated with condenser through newly-increased choke valve, and newly-increased condenser has heated medium pipeline and external communications again; It is characterized in that: middle pressure generator provides refrigerant vapour to form new economic benefits and social benefits high-temperature heat supply end to newly-increased condenser providing refrigerant vapour to drive thermal medium as it for low pressure generator when, obtain comprising economic benefits and social benefits and triple effect flow process and by absorber, condenser and newly-increased condenser respectively to the composite absorption heat pump of heated medium heat supply; Increase newly-increased second condenser and newly-increased second choke valve again, set up newly-increased second condenser of refrigerant vapour pipeline connection from high pressure generator, newly-increased second condenser also has the cryogen liquid pipeline to be communicated with evaporimeter or connection condenser or to be communicated with newly-increased condenser through newly-increased second choke valve, and newly-increased second condenser has heated medium pipeline and external communications again; It is characterized in that: high pressure generator provides refrigerant vapour to form new single-action high-temperature heat supply end to newly-increased second condenser providing refrigerant vapour to drive thermal medium as it for middle pressure generator when, obtain comprising single-action, economic benefits and social benefits and triple effect flow process and by absorber, condenser, increase condenser newly and increase second condenser newly respectively to the composite absorption heat pump of heated medium heat supply.
Be achieved in that in the composite absorption heat pump that on above-mentioned triple effect heat pump basis, increases high-temperature heat supply end and form at the adjustable composite absorption heat pump that increases high-temperature heat supply end on the triple effect heat pump basis, increase the control valve and second control valve, absorber or condenser heated medium export pipeline are communicated with newly-increased condenser heated medium inlet ductwork through control valve, and absorber or condenser heated medium export pipeline are communicated with newly-increased condenser heated medium export pipeline through second control valve; It is characterized in that: when only closing second control valve, composite absorption heat pump is according to economic benefits and social benefits and the operation of triple effect complex flow; When only closing control valve, composite absorption heat pump is according to the triple effect process flow operation; When the control valve and second control valve were all opened, composite absorption heat pump was according to adjustable economic benefits and social benefits and the operation of triple effect complex flow.
How further specify main purpose of the present invention below in conjunction with accompanying drawing realizes.
Shown in Figure 4, the composite absorption heat pump that increases high-temperature heat supply end on the double effect absorption type heat pump basis of solution series circulation is achieved in that
1. on the structure, forming by high pressure generator, low pressure generator, condenser, evaporimeter, absorber, choke valve, second choke valve, solution pump, solution heat exchanger, second solution heat exchanger and cryogen liquid recirculation pump, in the double effect absorption type heat pump of solution series circulation, increasing newly-increased condenser and newly-increased choke valve; Set up the newly-increased condenser of refrigerant vapour pipeline connection by high pressure generator, newly-increased condenser also has the cryogen liquid pipeline to be communicated with evaporimeter through newly-increased choke valve, and newly-increased condenser also has heated medium pipeline and external communications.
2. on the flow process, high pressure generator, newly-increased condenser, newly-increased choke valve, evaporimeter, absorber, solution pump and solution heat exchanger, and piggybacking low pressure generator, second solution heat exchanger constitutes new single-effective absorption heat pump flowsheet---and the solution that is entered high pressure generator by absorber discharges refrigerant vapour and enters newly-increased condenser under the effect that drives heat, refrigerant vapour heat release in newly-increased condenser becomes cryogen liquid in the heated medium of flowing through in it, cryogen liquid enters evaporimeter absorption waste heat and becomes refrigerant vapour to provide to absorber after newly-increased choke valve throttling, this part refrigerant vapour that enters absorber is absorbed also heat release in heated medium by the concentrated solution from low pressure generator---wherein, high pressure generator produces, the refrigerant vapour that participates in this flow process is not used as the driving thermal medium of low pressure generator, newly-increased heat pump flowsheet is the single-action flow process, and newly-increased condenser is the single-action heat supply end.
Comprise simultaneously that the combined heat-pump flow process of single-action and double-effect process is performed such: the solution that enters high pressure generator by absorber externally drives under the effect of heat and discharges refrigerant vapour, part refrigerant vapour enters low pressure generator and drives thermal medium as it, heating provides to condenser from the solution release refrigerant vapour of high pressure generator, also enter condenser through the second choke valve throttling again behind the refrigerant vapour heat release formation cryogen liquid as low pressure generator driving thermal medium, the refrigerant vapour heat release enters evaporimeter through the choke valve throttling again after the heated medium of the condenser of flowing through becomes cryogen liquid, the refrigerant medium that enters evaporimeter absorbs heat into refrigerant vapour in the waste heat medium of the evaporimeter of flowing through provide to absorber; Another part refrigerant vapour enters newly-increased condenser heat release and becomes cryogen liquid in the heated medium of flowing through in it, and this part cryogen liquid enters evaporimeter through newly-increased choke valve throttling step-down cooling and absorbs waste heat and become refrigerant vapour to provide to absorber; Absorbing above-mentioned two parts refrigerant vapour from the concentrated solution of low pressure generator in the absorber becomes weak solution and heat release in the heated medium of flowing through in it, weak solution through solution pump pressurization enter high pressure generator be heated, discharge refrigerant vapour after concentrated solution enter low pressure generator, the solution concentrated solution after discharging refrigerant vapour under the refrigerant vapour heating from high pressure generator that enters low pressure generator enters absorber; Absorber, condenser and newly-increased condenser obtain increasing on the solution series circulation double effect absorption type heat pump basis composite absorption heat pump of high-temperature heat supply end respectively to the heated medium heat supply.
Composite absorption heat pump is only to have increased newly-increased condenser and newly-increased choke valve on original double effect absorption type heat pump, it still is integral structure, but contain single-action flow process and double-effect process simultaneously, can make unit in the higher performance index of maintenance, have higher heat supply temperature, fill up the neutral gear between single-effective absorption heat pump and the double effect absorption type heat pump, had good novelty, novelty and practicality.
Shown in Figure 180, the adjustable composite absorption heat pump that increases high-temperature heat supply end on the double effect absorption type heat pump basis of solution series circulation is achieved in that
1. on the structure, on solution series circulation double effect absorption type heat pump basis as shown in Figure 4, increase in the composite absorption heat pump of high-temperature heat supply end, increase the control valve and second control valve, condenser heated medium export pipeline is communicated with newly-increased condenser heated medium inlet ductwork through control valve, and condenser also has the heated medium export pipeline to be communicated with newly-increased condenser heated medium export pipeline through second control valve.
2. on the flow process, when only closing second control valve, composite absorption heat pump is according to single-action and the operation of economic benefits and social benefits complex flow; When only closing control valve, composite absorption heat pump moves according to double-effect process, and heated medium obtains the heat supply of double-effect heat pump flow process; When the control valve and second control valve are all opened, composite absorption heat pump is according to adjustable single-action and the operation of economic benefits and social benefits complex flow, heated medium obtains the heat supply of single-action and economic benefits and social benefits combined heat-pump flow process---and the heated medium of second control valve of flowing through obtains the heat supply of double-effect heat pump flow process, and the heated medium of the control valve of flowing through obtains the heat supply of composite absorption heat pump flow process.
After increasing the control valve and second control valve, realized the composite absorption heat pump that single-action heat pump flowsheet and double-effect heat pump flow process are changed or cooperated, referred to herein as adjustable composite absorption heat pump.Occasion for the technological parameter of heated medium changes often adopts this technical scheme can improve energy utilization rate.
When this composite adsorption type unit is used as refrigeration machine, can reduce the cooling medium requirement of temperature eventually, can make the driving thermal medium that is used for single-stage single-effective absorption unit originally according to the performance of the technology between single-action and economic benefits and social benefits benefit, drive the refrigeration benefit of thermal medium thereby improved this type of.
Description of drawings:
Fig. 1 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 1st composite absorption heat pump of high-temperature heat supply end on solution series circulation double effect absorption type heat pump basis.
Fig. 2 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 2nd composite absorption heat pump of high-temperature heat supply end on solution series circulation double effect absorption type heat pump basis.
Fig. 1 compares with shown in Figure 2, and the difference of the two is: newly-increased condenser is communicated with evaporimeter through newly-increased choke valve among Fig. 1, and newly-increased condenser is communicated with condenser through newly-increased choke valve among Fig. 2.
Fig. 3 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 3rd composite absorption heat pump of high-temperature heat supply end on solution series circulation double effect absorption type heat pump basis.
Fig. 1 compares with shown in Figure 3, the solution flow process of the two has the difference on the details---and the weak solution of absorber enters low pressure generator through solution pump, solution heat exchanger and second solution heat exchanger among Fig. 1, the concentrated solution of low pressure generator enters high pressure generator through second solution pump, second solution heat exchanger, and the concentrated solution of high pressure generator enters absorber through solution heat exchanger; And the weak solution of absorber enters low pressure generator through solution pump, solution heat exchanger among Fig. 3, the concentrated solution of low pressure generator enters high pressure generator through second solution pump, second solution heat exchanger, and the concentrated solution of high pressure generator enters absorber through second solution heat exchanger, solution heat exchanger.
Fig. 4 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 4th composite absorption heat pump of high-temperature heat supply end on solution series circulation double effect absorption type heat pump basis.
Fig. 4 is with Fig. 1-shown in Figure 3 comparing, their differences aspect the solution flow process---in the double-effect heat pump of Fig. 1-shown in Figure 3, the concentrated solution of low pressure generator enters high pressure generator as its weak solution; Among Fig. 4, the concentrated solution of high pressure generator enters low pressure generator as its weak solution.Solution flow process in Fig. 1, Fig. 3 and the heat pump shown in Figure 4 is to adopt the representative flow process of solution series circulation economic benefits and social benefits or triple effect (multiple-effect) absorption heat pump, and other idiographic flow does not change essence of the present invention.
Fig. 5 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 5th composite absorption heat pump of high-temperature heat supply end on solution series circulation double effect absorption type heat pump basis.
Fig. 5 is with shown in Figure 4 comparing, the difference of the two: newly-increased condenser is communicated with evaporimeter through newly-increased choke valve among Fig. 4, and newly-increased condenser is communicated with condenser through newly-increased choke valve among Fig. 5.
Fig. 6 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 1st composite absorption heat pump of high-temperature heat supply end on solution circulation double effect absorption type heat pump in parallel basis.
Fig. 7 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 2nd composite absorption heat pump of high-temperature heat supply end on solution circulation double effect absorption type heat pump in parallel basis.
Fig. 7 compares with shown in Figure 6, and the difference of the two is: newly-increased condenser is communicated with evaporimeter through newly-increased choke valve among Fig. 7, and newly-increased condenser is communicated with condenser through newly-increased choke valve among Fig. 6.
Fig. 8 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 1st composite absorption heat pump of high-temperature heat supply end on solution series circulation three-effect absorption type heat pump foundation.
Fig. 9 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 2nd composite absorption heat pump of high-temperature heat supply end on solution series circulation three-effect absorption type heat pump foundation.
Fig. 9 is with shown in Figure 8 comparing, the difference of the two: in the solution flow process of triple effect heat pump shown in Figure 8, press generator as its weak solution during the concentrated solution of low pressure generator enters; Among Fig. 9, during entering, the concentrated solution of high pressure generator press generator as its weak solution.
Figure 10 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 3rd composite absorption heat pump of high-temperature heat supply end on solution series circulation three-effect absorption type heat pump foundation.
Figure 11 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 4th composite absorption heat pump of high-temperature heat supply end on solution series circulation three-effect absorption type heat pump foundation.
Figure 11 and shown in Figure 10 comparing, the difference of the two is: Figure 10 mesohigh generator presses generator to have the cryogen liquid pipeline to be communicated with condenser through second choke valve again in having in the refrigerant vapour pipeline connection behind the generator of pressure---and keeping triple effect flow process original state, then is high pressure generator to be had press in pressing behind the generator in the refrigerant vapour pipeline connection generator to have the cryogen liquid pipeline to be communicated with condenser through second choke valve again to change into and be communicated with newly-increased condenser among Figure 11.
Figure 12 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 1st composite absorption heat pump of high-temperature heat supply end on solution circulation three-effect absorption type heat in parallel pump foundation.
Figure 13 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 2nd composite absorption heat pump of high-temperature heat supply end on solution circulation three-effect absorption type heat in parallel pump foundation.
Figure 13 compares with shown in Figure 12, and the difference of the two is: newly-increased condenser is communicated with evaporimeter through newly-increased choke valve among Figure 13, and newly-increased condenser is communicated with condenser through newly-increased choke valve among Figure 12.
Figure 14 is according to system architecture and schematic flow sheet provided by the present invention, increase by two formed the 1st composite absorption heat pumps of high-temperature heat supply end on solution series circulation three-effect absorption type heat pump foundation.
Figure 15 is according to system architecture and schematic flow sheet provided by the present invention, increase by two formed the 2nd composite absorption heat pumps of high-temperature heat supply end on solution series circulation three-effect absorption type heat pump foundation.
Figure 16 is according to system architecture and schematic flow sheet provided by the present invention, increase by two formed the 3rd composite absorption heat pumps of high-temperature heat supply end on solution series circulation three-effect absorption type heat pump foundation.
Figure 17 is according to system architecture and schematic flow sheet provided by the present invention, increase by two formed composite absorption heat pumps of high-temperature heat supply end on solution circulation three-effect absorption type heat in parallel pump foundation.
Fig. 8-three-effect absorption-type heat pump shown in Figure 17 also is the representative of multiple-effect absorption heat pump.
Figure 18 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 1st the adjustable composite absorption heat pump of high-temperature heat supply end on solution series circulation double effect absorption type heat pump basis.
Figure 19 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 2nd the adjustable composite absorption heat pump of high-temperature heat supply end on solution series circulation double effect absorption type heat pump basis.
Figure 20 is according to system architecture and schematic flow sheet provided by the present invention, increase formed the 3rd the adjustable composite absorption heat pump of high-temperature heat supply end on solution series circulation double effect absorption type heat pump basis.
Shown in Figure 20 and shown in Figure 19 comparing, the difference of the two is: among Figure 19, condenser is the high-temperature heat supply end of double-effect process, then is that absorber is the high-temperature heat supply end of double-effect process among Figure 20.
Figure 21 is according to system architecture and schematic flow sheet provided by the present invention, increase the formed adjustable composite absorption heat pump of high-temperature heat supply end on solution circulation double effect absorption type heat pump in parallel basis.
Figure 22 is according to system architecture and schematic flow sheet provided by the present invention, increase the formed adjustable composite absorption heat pump of high-temperature heat supply end on solution series circulation three-effect absorption type heat pump foundation.
What particularly point out is that Figure 18-adjustable composite absorption heat pump shown in Figure 22 is the Three Represents of adjustable composite absorption heat pump.
Among the figure, 1-increases condenser newly, and 2-increases choke valve newly, and 3-increases second condenser newly, and 4-increases second choke valve, 5-control valve, 6-second control valve newly.
Among Fig. 1-Fig. 7, Figure 18-Figure 21, A1-high pressure generator, B1-low pressure generator, the C1-condenser, the D1-evaporimeter, E1-absorber, F1-choke valve, G1-second choke valve, the H1-solution pump, I1-second solution pump, J1-solution heat exchanger, K1-second solution heat exchanger, L1-cryogen liquid recirculation pump (optional).
Among Fig. 8-Figure 17, Figure 22, the A2-high pressure generator is pressed generator among the B2-, the C2-low pressure generator, D2-condenser, E2-evaporimeter, the F2-absorber, G2-choke valve, H2-second choke valve, I2-the 3rd choke valve, J2-solution pump, K2-second solution pump, L2-the 3rd solution pump, M2-solution heat exchanger, N2-second solution heat exchanger, O2-the 3rd solution heat exchanger, P2-cryogen liquid recirculation pump (optional).
The specific embodiment:
Describe the present invention in detail below in conjunction with accompanying drawing and example.
Shown in Figure 1, according to method provided by the present invention, in the double effect absorption type heat pump of solution series circulation, increase high-temperature heat supply end and the process of the composite absorption heat pump that forms is performed such:
1. on the structure, in the double effect absorption type heat pump that high pressure generator A1, low pressure generator B1, condenser C1, evaporimeter D1, absorber E1, choke valve F1, the second choke valve G1, solution pump H1, the second solution pump I1, solution heat exchanger J1, the second solution heat exchanger K1 and cryogen liquid recirculation pump L1 form, solution series circulates, increase newly-increased condenser 1 and newly-increased choke valve 2; Set up the newly-increased condenser 1 of refrigerant vapour pipeline connection from high pressure generator A1, newly-increased condenser 1 has the cryogen liquid pipeline to be communicated with evaporimeter D1 through newly-increased choke valve 2 again, and newly-increased condenser 1 also has heated medium pipeline and external communications; High pressure generator A1, newly-increased condenser 1, newly-increased choke valve 2, evaporimeter D1, absorber E1, solution pump H1 and solution heat exchanger J1, and piggybacking constitutes new single-effective absorption heat pump structure in low pressure generator B1, the second solution heat exchanger I1.
2. on the flow process, the high-temperature heat supply that newly-increased condenser 1 is realized heated medium, finish and heated medium carried out the single-stage single-action heat pump flowsheet of high temperature section heat supply is performed such: the effect that the solution that enters high pressure generator A1 by low pressure generator B1 externally drives heat discharges refrigerant vapour down and enters newly-increased condenser 1 back heat release and become cryogen liquid in the heated medium of flowing through in it, this part cryogen liquid enters evaporimeter D1 absorption waste heat through newly-increased choke valve 2 throttling step-downs cooling and becomes refrigerant vapour to provide to absorber E1, the refrigerant vapour that enters absorber E1 absorbed by concentrated solution from high pressure generator A1 and heat release in the heated medium of flowing through in it---wherein, high pressure generator A1 produces, the refrigerant vapour that participates in this flow process is not used as the driving thermal medium of low pressure generator B1, newly-increased heat pump flowsheet is the single-action flow process, and newly-increased condenser 1 is the single-action heat supply end.
Comprise simultaneously that the combined heat-pump flow process of single-action and double-effect process is performed such: the effect that the solution that enters high pressure generator A1 through second solution pump I1 pressurization by low pressure generator B1 externally drives heat discharges refrigerant vapour down, part refrigerant vapour enters low pressure generator B1 and drives thermal medium as it, heating provides to condenser C1 from the solution release refrigerant vapour of absorber E1, also enter condenser C1 through the second choke valve G1 throttling again behind the refrigerant vapour heat release formation cryogen liquid as low pressure generator B1 driving thermal medium, the refrigerant vapour heat release enters evaporimeter D1 through choke valve F1 throttling again after the heated medium of the condenser C1 that flows through becomes cryogen liquid, the refrigerant medium that enters evaporimeter D1 absorbs heat into refrigerant vapour from the waste heat medium of the evaporimeter D1 that flows through to be provided to absorber E1; Another part refrigerant vapour enters newly-increased condenser 1 heat release and becomes cryogen liquid in the heated medium of flowing through in it, and this part cryogen liquid enters evaporimeter D1 through newly-increased choke valve 2 throttling step-downs cooling and absorbs waste heat and become refrigerant vapour to provide to absorber E1; Absorb above-mentioned two parts refrigerant vapour from the concentrated solution of high pressure generator A1 in the absorber E1 and become weak solution and heat release in the heated medium of flowing through in it, weak solution enters low pressure generator B1 through solution pump H1 pressurization solution concentrated solution after discharging refrigerant vapour under the refrigerant vapour heating from high pressure generator A1 enters high pressure generator A1; Absorber E1 is shared by single-action and double-effect process, and absorber E1, condenser C1 and newly-increased condenser 1 obtain increasing the composite absorption heat pump of high-temperature heat supply end respectively to the heated medium heat supply on solution series circulation double effect absorption type heat pump basis.
The present invention also can regard in the single-effective absorption heat pump flowsheet result who increases low-temperature heat supply terminal as---by generator A1, newly-increased condenser 1, newly-increased choke valve 2, evaporimeter D1, absorber E1, in the single-stage single-effective absorption heat pump that solution pump H1 and solution heat exchanger J1 form, increase low pressure generator B1, condenser C1, choke valve F1, the second choke valve G1, the second solution pump I1 and the second solution heat exchanger K1, absorber E1 there is the weak solution pipeline through solution pump H1, solution heat exchanger J1 connection high pressure generator A1 changes absorber E1 into has the weak solution pipeline through solution pump H1, low pressure generator B1 had the concentrated solution pipeline again through the second solution pump I1 after solution heat exchanger J1 was communicated with low pressure generator B1, the second solution heat exchanger K1 is communicated with high pressure generator A1, low pressure generator B1 also has refrigerant vapour pipeline connection condenser C1, set up by high pressure generator A1 that low pressure generator B1 has the cryogen liquid pipeline to be communicated with condenser C1 through the second choke valve G1 again behind the refrigerant vapour pipeline connection low pressure generator B1, condenser C1 also has the cryogen liquid pipeline to be communicated with evaporimeter D1 through choke valve F1; The condenser C1 that increases finishes the low-temperature zone heat supply to heated medium.
It is pointed out that double effect absorption type heat pump flow process and three-effect absorption-type heat pump flowsheet, no matter its idiographic flow how, it is known to be the present technique field.Therefore, in the instantiation of back, will no longer be described in detail existing economic benefits and social benefits or triple effect flow process.
The composite absorption heat pump that on solution series circulation double effect absorption type heat pump basis, increases high-temperature heat supply end and form shown in Figure 2, itself and difference shown in Figure 1 be---enter condenser C1 through increasing choke valve 2 throttlings newly again after the refrigerant vapour heat release that offers newly-increased condenser 1 by high pressure generator A1 among Fig. 2 forms cryogen liquid, also enter evaporimeter D1 then and absorb heat into refrigerant vapour and provide to absorber E1 through choke valve F1 throttling.
The composite absorption heat pump that on solution series circulation double effect absorption type heat pump basis, increases high-temperature heat supply end and form shown in Figure 3, it is compared with shown in Figure 1, just the solution flow process of the two have on the details difference---the weak solution of absorber E1 enters low pressure generator B1 through solution pump H1, solution heat exchanger J1 and the second solution heat exchanger K1 among Fig. 1, the concentrated solution of low pressure generator B1 enters high pressure generator A1 through the second solution pump I1, the second solution heat exchanger K1, and the concentrated solution of high pressure generator A1 enters absorber E1 through solution heat exchanger J1; And the weak solution of absorber E1 enters low pressure generator B1 through solution pump H1, solution heat exchanger J1 among Fig. 3, the concentrated solution of low pressure generator B1 enters high pressure generator A1 through the second solution pump I1, the second solution heat exchanger K1, and the concentrated solution of high pressure generator A1 enters absorber E1 through the second solution heat exchanger K1, solution heat exchanger J1.
Shown in Figure 4, according to method provided by the present invention, in the double effect absorption type heat pump of solution series circulation, increase high-temperature heat supply end and the process of the composite absorption heat pump that forms is performed such:
1. on the structure, forming by high pressure generator A1, low pressure generator B1, condenser C1, evaporimeter D1, absorber E1, choke valve F1, the second choke valve G1, solution pump H1, solution heat exchanger J1, the second solution heat exchanger K1 and cryogen liquid recirculation pump L1, in the double effect absorption type heat pump of solution series circulation, increasing newly-increased condenser 1 and newly-increased choke valve 2; Set up the newly-increased condenser 1 of refrigerant vapour pipeline connection by high pressure generator A1, newly-increased condenser 1 also has the cryogen liquid pipeline to be communicated with evaporimeter D1 through newly-increased choke valve 2, and newly-increased condenser 1 also has heated medium pipeline and external communications.
2. on the flow process, high pressure generator A1, newly-increased condenser 1, newly-increased choke valve 2, evaporimeter D1, absorber E1, solution pump H1 and solution heat exchanger J1 and piggybacking low pressure generator B1, the second solution heat exchanger K1 constitutes new single-effective absorption heat pump flowsheet---and the solution that is entered high pressure generator A1 by absorber E1 discharges refrigerant vapour and enters newly-increased condenser 1 under the effect that drives heat, refrigerant vapour heat release in newly-increased condenser 1 becomes cryogen liquid in the heated medium of flowing through in it, cryogen liquid enters evaporimeter D1 absorption waste heat and becomes refrigerant vapour to provide to absorber E1 after newly-increased choke valve 2 throttlings, this part refrigerant vapour that enters absorber E1 is absorbed also heat release in heated medium by the concentrated solution from low pressure generator B1---wherein, high pressure generator A1 produces, the refrigerant vapour that participates in this flow process is not used as the driving thermal medium of low pressure generator B1, newly-increased heat pump flowsheet is the single-action flow process, newly-increased condenser 1 is the single-action heat supply end, and absorber E1 is shared by single-action flow process and double-effect process; Absorber E1, condenser C1 and newly-increased condenser 1 obtain increasing the composite absorption heat pump of high-temperature heat supply end respectively to the heated medium heat supply on solution series circulation double effect absorption type heat pump basis.
The composite absorption heat pump that on solution series circulation double effect absorption type heat pump basis, increases high-temperature heat supply end and form shown in Figure 5, itself and shown in Figure 4 comparing, the refrigerant vapour of the participation single-action heat pump flowsheet that the difference of the two is: newly-increased condenser 1 is communicated with evaporimeter D1 through newly-increased choke valve 2 among Fig. 4---refrigerant vapour of the participation single-action heat pump flowsheet that produced by high pressure generator A1 enters evaporimeter D1 through newly-increased condenser 1 and newly-increased choke valve 2 successively, and newly-increased condenser 1 directly is communicated with condenser C1 through newly-increased choke valve 2 among Fig. 5---is produced by high pressure generator A1 process successively increases condenser 1 newly, newly-increased choke valve 2, condenser C1 and choke valve F1 enter evaporimeter D1.
Shown in Figure 6, according to method provided by the present invention, in solution circulation double effect absorption type heat pump in parallel, increase high-temperature heat supply end and the process of the composite absorption heat pump that forms is performed such:
1. on the structure, forming by high pressure generator A1, low pressure generator B1, condenser C1, evaporimeter D1, absorber E1, choke valve F1, the second choke valve G1, solution pump H1, solution heat exchanger J1, the second solution heat exchanger K1 and cryogen liquid recirculation pump L1, in the double effect absorption type heat pump of solution series circulation, increasing newly-increased condenser 1 and newly-increased choke valve 2; Set up the newly-increased condenser 1 of refrigerant vapour pipeline connection by high pressure generator A1, newly-increased condenser 1 also has the cryogen liquid pipeline to be communicated with condenser C1 through newly-increased choke valve 2, and newly-increased condenser 1 also has heated medium pipeline and external communications.
2. on the flow process, high pressure generator A1, newly-increased condenser 1, newly-increased choke valve 2, evaporimeter D1, absorber E1, solution pump H1 and solution heat exchanger J1 and piggybacking condenser C1, choke valve F1 constitutes new single-effective absorption heat pump flowsheet---and the solution that is entered high pressure generator A1 by absorber E1 discharges refrigerant vapour and enters newly-increased condenser 1 under the effect that drives heat, refrigerant vapour heat release in newly-increased condenser 1 becomes cryogen liquid in the heated medium of flowing through in it, cryogen liquid enters condenser C1 through newly-increased choke valve 2 throttlings, entering evaporimeter D1 absorption waste heat through choke valve F1 throttling again becomes refrigerant vapour to provide to absorber E1, this part refrigerant vapour that enters absorber E1 is absorbed also heat release in heated medium by the concentrated solution from high pressure generator A1---and this part refrigerant vapour that high pressure generator A1 produces is used as the driving thermal medium of low pressure generator B1, newly-increased heat pump flowsheet is the single-action flow process, newly-increased condenser 1 is the single-action heat supply end, and absorber E1 is shared by single-action flow process and double-effect process; Absorber E1, condenser C1 and newly-increased condenser 1 obtain increasing the composite absorption heat pump of high-temperature heat supply end respectively to the heated medium heat supply on solution circulation double effect absorption type heat pump in parallel basis.
The composite absorption heat pump that on solution circulation double effect absorption type heat pump in parallel basis, increases high-temperature heat supply end and form shown in Figure 7, itself and shown in Figure 6 comparing, the refrigerant vapour of the participation single-action heat pump flowsheet that the difference of the two is: newly-increased condenser 1 is communicated with evaporimeter D1 through newly-increased choke valve 2 among Fig. 7---refrigerant vapour of the participation single-action heat pump flowsheet that produced by high pressure generator A1 enters evaporimeter D1 through newly-increased condenser 1 and newly-increased choke valve 2 successively, and newly-increased condenser 1 directly is communicated with condenser C1 through newly-increased choke valve 2 among Fig. 6---is produced by high pressure generator A1 process successively increases condenser 1 newly, newly-increased choke valve 2, condenser C1 and choke valve F1 enter evaporimeter D1.
Increase the composite absorption heat pump of high-temperature heat supply end on the economic benefits and social benefits basis of Fig. 1-shown in Figure 7, they have common feature---and high pressure generator A1 provides refrigerant vapour to form new single-action high-temperature heat supply end to newly-increased condenser 1 providing refrigerant vapour to drive thermal medium as it for low pressure generator B1 when.
Shown in Figure 8, according to method provided by the present invention, in solution series circulation three-effect absorption heat pump, increase high-temperature heat supply end and the process of the composite absorption heat pump that forms is performed such:
1. on the structure, by high pressure generator A2, the middle generator B2 that presses, low pressure generator C2, condenser D2, evaporimeter E2, absorber F2, choke valve G2, the second choke valve H2, the 3rd choke valve I2, solution pump J2, the second solution pump K2, the 3rd solution pump L2, solution heat exchanger M2, the second solution heat exchanger N2, in the solution series circulation three-effect absorption heat pump that the 3rd solution heat exchanger O2 and cryogen liquid recirculation pump P2 are formed, increase newly-increased condenser 1 and newly-increased choke valve 2 newly, set up the newly-increased condenser 1 of refrigerant vapour pipeline connection from middle pressure generator B2, newly-increased condenser 1 also has the cryogen liquid pipeline to be communicated with evaporimeter E2 through newly-increased choke valve 2, and newly-increased condenser 1 has heated medium pipeline and external communications again.
2. on the flow process, high pressure generator A2, the middle generator B2 that presses, newly-increased condenser 1, newly-increased choke valve 2, evaporimeter E2, absorber F2, solution pump J2, the second solution pump J2, the solution heat exchanger M2 and the second solution heat exchanger N2 and piggybacking low pressure generator C2, the 3rd solution pump L2, the 3rd solution heat exchanger O2 finishes the double effect absorption type heat pump flow process---and high pressure generator A2 produces refrigerant vapour and offers the middle generator B2 that presses to drive thermal medium as it, a middle part of pressing generator B2 to produce refrigerant vapour enters newly-increased condenser 1 and heat release becomes cryogen liquid behind heated medium, the cryogen liquid of newly-increased condenser 1 enters evaporimeter E2 through newly-increased choke valve 2 throttlings and absorbs heat into refrigerant vapour and provide to absorber F2, absorbed also heat release in heated medium by concentrated solution from high pressure generator A2, the weak solution of absorber F2 is by way of solution pump J2, solution heat exchanger M2, the second solution heat exchanger N2, the 3rd solution heat exchanger O2, low pressure generator C2, press generator B2 to discharge refrigerant vapour during the 3rd solution pump L2 enters and enter newly-increased condenser 1---enter this part refrigerant vapour that increases condenser 1 newly and produced by double-effect process, newly-increased condenser 1 is the double-effect process heat supply end, and absorber F2 is that double-effect process and triple effect flow process are shared; Absorber F2, condenser D2 and newly-increased condenser 1 obtain increasing on the solution series circulation three-effect absorption type heat pump foundation composite absorption heat pump of high-temperature heat supply end respectively to the heated medium heat supply.
Shown in Figure 9, according to method provided by the present invention, in solution series circulation three-effect absorption heat pump, increase high-temperature heat supply end and the process of the composite absorption heat pump that forms also can be such:
1. on the structure, by high pressure generator A2, the middle generator B2 that presses, low pressure generator C2, condenser D2, evaporimeter E2, absorber F2, choke valve G2, the second choke valve H2, the 3rd choke valve I2, solution pump J2, solution heat exchanger M2, the second solution heat exchanger N2, in the solution series circulation three-effect absorption heat pump that the 3rd solution heat exchanger O2 and cryogen liquid recirculation pump P2 are formed, increase newly-increased condenser 1 and newly-increased choke valve 2 newly, set up the newly-increased condenser 1 of refrigerant vapour pipeline connection from middle pressure generator B2, newly-increased condenser 1 also has the cryogen liquid pipeline to be communicated with evaporimeter E2 through newly-increased choke valve 2, and newly-increased condenser 1 has heated medium pipeline and external communications again.
2. on the flow process, high pressure generator A2, the middle generator B2 that presses, newly-increased condenser 1, newly-increased choke valve 2, evaporimeter E2, absorber F2, solution pump J2, the solution heat exchanger M2 and the second solution heat exchanger N2 and piggybacking low pressure generator C2, the 3rd solution heat exchanger O2 finishes the double effect absorption type heat pump flow process---and high pressure generator A2 produces refrigerant vapour and offers the middle generator B2 that presses to drive thermal medium as it, a middle part of pressing generator B2 to produce refrigerant vapour enters newly-increased condenser 1 and heat release becomes cryogen liquid behind heated medium, the cryogen liquid of newly-increased condenser 1 enters evaporimeter E2 through newly-increased choke valve 2 throttlings and absorbs heat into refrigerant vapour and provide to absorber F2, absorbed also heat release in heated medium by concentrated solution from low pressure generator C2, the weak solution of absorber F2 is by way of solution pump J2, solution heat exchanger M2, the second solution heat exchanger N2, the 3rd solution heat exchanger O2, press generator B2 to be heated in entering behind the high pressure generator A2 to discharge refrigerant vapour to enter that newly-increased condenser 1---this part refrigerant vapour that enters newly-increased condenser 1 is produced by double-effect process, newly-increased condenser 1 is the double-effect process heat supply end, and absorber F2 is that double-effect process and triple effect flow process are shared; Absorber F2, condenser D2 and newly-increased condenser 1 obtain increasing on the solution series circulation three-effect absorption type heat pump foundation composite absorption heat pump of high-temperature heat supply end respectively to the heated medium heat supply.
Shown in Figure 10, according to method provided by the present invention, in solution series circulation three-effect absorption heat pump, increase high-temperature heat supply end and the process of the composite absorption heat pump that forms can also be carried out like this:
1. on the structure, by high pressure generator A2, the middle generator B2 that presses, low pressure generator C2, condenser D2, evaporimeter E2, absorber F2, choke valve G2, the second choke valve H2, the 3rd choke valve I2, solution pump J2, solution heat exchanger M2, the second solution heat exchanger N2, in the solution series circulation three-effect absorption heat pump that the 3rd solution heat exchanger O2 and cryogen liquid recirculation pump P2 are formed, increase newly-increased condenser 1 and newly-increased choke valve 2 newly, set up the newly-increased condenser 1 of refrigerant vapour pipeline connection from middle pressure generator B2, newly-increased condenser 1 also has the cryogen liquid pipeline to be communicated with condenser D2 through newly-increased choke valve 2, and newly-increased condenser 1 has heated medium pipeline and external communications again.
2. on the flow process, high pressure generator A2, the middle generator B2 that presses, newly-increased condenser 1, newly-increased choke valve 2, evaporimeter E2, absorber F2, solution pump J2, the second solution heat exchanger N2 and the 3rd solution heat exchanger O2 and solution piggybacking low pressure generator C2 and solution heat exchanger M2, refrigerant medium piggybacking condenser D2 and choke valve G2 finish the double effect absorption type heat pump flow process---and high pressure generator A2 produces refrigerant vapour and offers the middle generator B2 that presses to drive thermal medium as it, a middle part of pressing generator B2 to produce refrigerant vapour enters newly-increased condenser 1 and heat release becomes cryogen liquid behind heated medium, the cryogen liquid of newly-increased condenser 1 enters evaporimeter E2 through choke valve G2 throttling again and absorbs heat into refrigerant vapour and provide to absorber F2 after increasing choke valve 2 throttlings newly to enter condenser D2, this part refrigerant vapour that enters absorber F2 is absorbed also heat release in heated medium by the concentrated solution from low pressure generator C2, the weak solution of absorber F2 is by way of solution pump J2, solution heat exchanger M2, the second solution heat exchanger N2, the 3rd solution heat exchanger O2, press generator B2 to be heated in entering behind the high pressure generator A2 to discharge refrigerant vapour to enter that newly-increased condenser 1---this part refrigerant vapour that enters newly-increased condenser 1 is produced by double-effect process, newly-increased condenser 1 is the double-effect process heat supply end, and absorber F2 is that double-effect process and triple effect flow process are shared; Absorber F2, condenser D2 and newly-increased condenser 1 obtain increasing on the solution series circulation three-effect absorption type heat pump foundation composite absorption heat pump of high-temperature heat supply end respectively to the heated medium heat supply.
The composite absorption heat pump that on solution series circulation three-effect absorption type heat pump foundation, increases high-temperature heat supply end and form shown in Figure 11, be to press generator B2 to have the cryogen liquid pipeline to be communicated with condenser D2 through the second choke valve H2 again in having in the refrigerant vapour pipeline connection high pressure generator A2 in the composite absorption heat pump shown in Figure 10 behind the generator of the pressure B2 to change into and be communicated with newly-increased condenser 1, the formed cryogen liquid of refrigerant vapour heat release that drives thermal medium as middle pressure generator B2 that triple effect heat pump flowsheet mesohigh generator A2 produces at first enters newly-increased condenser 1 after the second choke valve H2 throttling, entering condenser D2 through newly-increased choke valve 2 throttlings then---this has a little meaning to improving the source pump performance index.
Shown in Figure 12, according to method provided by the present invention, in solution circulation three-effect absorption heat pump in parallel, increase high-temperature heat supply end and the process of the composite absorption heat pump that forms is performed such:
1. on the structure, by high pressure generator A2, the middle generator B2 that presses, low pressure generator C2, condenser D2, evaporimeter E2, absorber F2, choke valve G2, the second choke valve H2, the 3rd choke valve I2, solution pump J2, solution heat exchanger M2, the second solution heat exchanger N2, in the solution that the 3rd solution heat exchanger O2 and cryogen liquid recirculation pump P2 the are formed circulation three-effect absorption heat pump in parallel, increase newly-increased condenser 1 and newly-increased choke valve 2 newly, set up the newly-increased condenser 1 of refrigerant vapour pipeline connection from middle pressure generator B2, newly-increased condenser 1 also has the cryogen liquid pipeline to be communicated with condenser D2 through newly-increased choke valve 2, and newly-increased condenser 1 has heated medium pipeline and external communications again.
2. on the flow process, high pressure generator A2, the middle generator B2 that presses, newly-increased condenser 1, newly-increased choke valve 2, evaporimeter E2, absorber F2, solution pump J2, the solution heat exchanger M2 and the second solution heat exchanger N2 and refrigerant medium piggybacking condenser D2, choke valve G2 finishes the double effect absorption type heat pump flow process---and high pressure generator A2 produces refrigerant vapour and offers the middle generator B2 that presses to drive thermal medium as it, a middle part of pressing generator B2 to produce refrigerant vapour enters newly-increased condenser 1 and heat release becomes cryogen liquid behind heated medium, the cryogen liquid of newly-increased condenser 1 enters evaporimeter E2 through choke valve G2 throttling again and absorbs heat into refrigerant vapour and provide to absorber F2 after increasing choke valve 2 throttlings newly to enter condenser D2, this part refrigerant vapour that enters absorber F2 is absorbed also heat release in heated medium by the concentrated solution from high pressure generator A2 and middle pressure generator B2, the weak solution of absorber F2 enters high pressure generator A2 and middle pressure generator B2 through the solution heat exchanger M2 and the second solution heat exchanger N2 respectively again behind solution pump J2, press the solution of generator B2 to be heated in entering to discharge refrigerant vapour to enter that newly-increased condenser 1---this part refrigerant vapour that enters newly-increased condenser 1 is produced by double-effect process, newly-increased condenser 1 is the double-effect process heat supply end, and absorber F2 is that double-effect process and triple effect flow process are shared; Absorber F2, condenser D2 and newly-increased condenser 1 obtain increasing on the solution circulation three-effect absorption type heat in parallel pump foundation composite absorption heat pump of high-temperature heat supply end respectively to the heated medium heat supply.
The composite absorption heat pump that on solution circulation three-effect absorption type heat in parallel pump foundation, increases high-temperature heat supply end and form shown in Figure 13, itself and difference shown in Figure 12 be---among Figure 12, enter condenser D2 through increasing choke valve 2 throttlings newly again after the refrigerant vapour heat release that offers newly-increased condenser 1 by middle pressure generator B2 forms cryogen liquid, also enter evaporimeter E2 then and absorb heat into refrigerant vapour and provide to absorber F2 through choke valve G2 throttling; And among Figure 13, the refrigerant vapour heat release that offers newly-increased condenser 1 by middle pressure generator B2 forms behind the cryogen liquid through increasing choke valve 2 throttlings newly again and enters evaporimeter E2 and absorb heat into refrigerant vapour and provide to absorber F2.
Shown in Figure 14, according to method provided by the present invention, in solution series circulation three-effect absorption heat pump, increase by two high-temperature heat supply ends and the process of the composite absorption heat pump that forms is performed such:
By high pressure generator A2, the middle generator B2 that presses, low pressure generator C2, condenser D2, evaporimeter E2, absorber F2, choke valve G2, the second choke valve H2, the 3rd choke valve I2, solution pump J2, the second solution pump K2, the 3rd solution pump L2, solution heat exchanger M2, the second solution heat exchanger N2, in the solution series circulation three-effect absorption heat pump that the 3rd solution heat exchanger O2 and cryogen liquid recirculation pump P2 are formed, increase newly-increased condenser 1 and newly-increased choke valve 2 newly, set up the newly-increased condenser 1 of refrigerant vapour pipeline connection from middle pressure generator B2, and press generator B2 to have the cryogen liquid pipeline to be communicated with condenser D2 again in having in the refrigerant vapour pipeline connection high pressure generator A2 behind the generator of the pressure B2 to change into and be communicated with newly-increased condenser 1 through the second choke valve H2, newly-increased condenser 1 also has the cryogen liquid pipeline to be communicated with evaporimeter E2 through newly-increased choke valve 2, and newly-increased condenser 1 has heated medium pipeline and external communications again---and newly-increased condenser 1 is newly-increased economic benefits and social benefits high-temperature heat supply end; Increase newly-increased second condenser 3 and newly-increased second choke valve 4 again, set up newly-increased second condenser 3 of refrigerant vapour pipeline connection by high pressure generator A2, newly-increased second condenser 3 has the cryogen liquid pipeline to be communicated with evaporimeter E2 through newly-increased second choke valve 4 again, newly-increased second condenser 3 also has heated medium pipeline and external communications---and newly-increased second condenser 3 is newly-increased single-action high-temperature heat supply end, obtains increasing on the solution series circulation three-effect absorption type heat pump foundation composite absorption heat pump of two high-temperature heat supply ends.
Shown in Figure 15, according to method provided by the present invention, in solution series circulation three-effect absorption heat pump, increase by two high-temperature heat supply ends and the process of the composite absorption heat pump that forms can also be carried out like this:
By high pressure generator A2, the middle generator B2 that presses, low pressure generator C2, condenser D2, evaporimeter E2, absorber F2, choke valve G2, the second choke valve H2, the 3rd choke valve I2, solution pump J2, solution heat exchanger M2, the second solution heat exchanger N2, in the solution series circulation three-effect absorption heat pump that the 3rd solution heat exchanger O2 and cryogen liquid recirculation pump P2 are formed, increase newly-increased condenser 1 and newly-increased choke valve 2 newly, set up the newly-increased condenser 1 of refrigerant vapour pipeline connection from middle pressure generator B2, and press generator B2 to have the cryogen liquid pipeline to be communicated with condenser D2 again in having in the refrigerant vapour pipeline connection high pressure generator A2 behind the generator of the pressure B2 to change into and be communicated with newly-increased condenser 1 through the second choke valve H2, newly-increased condenser 1 also has the cryogen liquid pipeline to be communicated with condenser D2 through newly-increased choke valve 2, and newly-increased condenser 1 has heated medium pipeline and external communications again---and newly-increased condenser 1 is newly-increased economic benefits and social benefits high-temperature heat supply end; Increase newly-increased second condenser 3 and newly-increased second choke valve 4 again, set up newly-increased second condenser 3 of refrigerant vapour pipeline connection by high pressure generator A2, newly-increased second condenser 3 has the cryogen liquid pipeline to be communicated with newly-increased condenser 1 through newly-increased second choke valve 4 again, newly-increased second condenser 3 also has heated medium pipeline and external communications---and newly-increased second condenser 3 is newly-increased single-action high-temperature heat supply end, obtains increasing on the solution series circulation three-effect absorption type heat pump foundation composite absorption heat pump of two high-temperature heat supply ends.
Shown in Figure 16, according to method provided by the present invention, in solution series circulation three-effect absorption heat pump, increase by two high-temperature heat supply ends and the process of the composite absorption heat pump that forms can be carried out like this:
By high pressure generator A2, the middle generator B2 that presses, low pressure generator C2, condenser D2, evaporimeter E2, absorber F2, choke valve G2, the second choke valve H2, the 3rd choke valve I2, solution pump J2, solution heat exchanger M2, the second solution heat exchanger N2, in the solution series circulation three-effect absorption heat pump that the 3rd solution heat exchanger O2 and cryogen liquid recirculation pump P2 are formed, increase newly-increased condenser 1 and newly-increased choke valve 2 newly, set up the newly-increased condenser 1 of refrigerant vapour pipeline connection from middle pressure generator B2, and press generator B2 to have the cryogen liquid pipeline to be communicated with condenser D2 again in having in the refrigerant vapour pipeline connection high pressure generator A2 behind the generator of the pressure B2 to change into and be communicated with newly-increased condenser 1 through the second choke valve H2, newly-increased condenser 1 also has the cryogen liquid pipeline to be communicated with evaporimeter E2 through newly-increased choke valve 2, and newly-increased condenser 1 has heated medium pipeline and external communications again---and newly-increased condenser 1 is newly-increased economic benefits and social benefits high-temperature heat supply end; Increase newly-increased second condenser 3 and newly-increased second choke valve 4 again, set up newly-increased second condenser 3 of refrigerant vapour pipeline connection by high pressure generator A2, newly-increased second condenser 3 has the cryogen liquid pipeline to be communicated with newly-increased evaporimeter E2 through newly-increased second choke valve 4 again, newly-increased second condenser 3 also has heated medium pipeline and external communications---and newly-increased second condenser 3 is newly-increased single-action high-temperature heat supply end, obtains increasing on the solution series circulation three-effect absorption type heat pump foundation composite absorption heat pump of two high-temperature heat supply ends.
Shown in Figure 17, according to method provided by the present invention, in solution circulation three-effect absorption heat pump in parallel, increase by two high-temperature heat supply ends and the process of the composite absorption heat pump that forms is performed such:
By high pressure generator A2, the middle generator B2 that presses, low pressure generator C2, condenser D2, evaporimeter E2, absorber F2, choke valve G2, the second choke valve H2, the 3rd choke valve I2, solution pump J2, solution heat exchanger M2, the second solution heat exchanger N2, in the solution that the 3rd solution heat exchanger O2 and cryogen liquid recirculation pump P2 the are formed circulation three-effect absorption heat pump in parallel, increase newly-increased condenser 1 and newly-increased choke valve 2 newly, set up the newly-increased condenser 1 of refrigerant vapour pipeline connection from middle pressure generator B2, newly-increased condenser 1 also has the cryogen liquid pipeline to be communicated with condenser D2 through newly-increased choke valve 2, and newly-increased condenser 1 has heated medium pipeline and external communications again---and newly-increased condenser 1 is newly-increased economic benefits and social benefits high-temperature heat supply end; Increase newly-increased second condenser 3 and newly-increased second choke valve 4 again, set up newly-increased second condenser 3 of refrigerant vapour pipeline connection by high pressure generator A2, newly-increased second condenser 3 has the cryogen liquid pipeline to be communicated with newly-increased condenser 1 through newly-increased second choke valve 4 again, newly-increased second condenser 3 also has heated medium pipeline and external communications---and newly-increased second condenser 3 is newly-increased single-action high-temperature heat supply end, obtains increasing on the solution circulation three-effect absorption type heat in parallel pump foundation composite absorption heat pump of two high-temperature heat supply ends.
Increase the composite absorption heat pump of high-temperature heat supply end on the triple effect basis of Fig. 8-shown in Figure 17, they have common feature---and middle pressure generator B2 provides refrigerant vapour to form new economic benefits and social benefits high-temperature heat supply end to newly-increased condenser 1 providing refrigerant vapour to drive thermal medium as it for low pressure generator C2 when.
Shown in Figure 180, according to provided by the present invention, increase on solution series circulation double effect absorption type heat pump basis that process that high-temperature heat supply end forms adjustable composite absorption heat pump is performed such:
1. on the structure, on solution series circulation double effect absorption type heat pump basis as shown in Figure 4, increase in the composite absorption heat pump of high-temperature heat supply end, increase the control valve 5 and second control valve 6, condenser C1 heated medium export pipeline is communicated with newly-increased condenser 1 heated medium inlet ductwork through control valve 5, and condenser C1 heated medium export pipeline is communicated with newly-increased condenser 1 heated medium export pipeline through second control valve 6.
2. on the flow process, when only closing second control valve 6, heated medium flow through successively absorber E1, condenser C1 and newly-increased condenser 1, composite absorption heat pump is according to single-action and the operation of economic benefits and social benefits complex flow; When only closing control valve 5, heated medium flow through successively absorber E1 and condenser C1, composite absorption heat pump moves according to double-effect process, and heated medium obtains the heat supply of double-effect heat pump flow process; When control valve 5 and second control valve 6 are all opened, all heated mediums are flowed through behind absorber E1 and the condenser C1 some successively through the control valve 5 newly-increased condenser 1 that continues again to flow through again, composite absorption heat pump is according to adjustable single-action and the operation of economic benefits and social benefits complex flow, heated medium obtains the heat supply of single-action and economic benefits and social benefits combined heat-pump flow process---and the heated medium of second control valve 6 of flowing through obtains the heat supply of double-effect heat pump flow process, and the heated medium of the control valve 5 of flowing through obtains the heat supply of combined heat-pump flow process.
Shown in Figure 19, according to provided by the present invention, increasing the process that high-temperature heat supply end forms adjustable composite absorption heat pump on solution series circulation double effect absorption type heat pump basis can also carry out like this:
1. on the structure, on solution series circulation double effect absorption type heat pump basis as shown in Figure 1, increase in the composite absorption heat pump of high-temperature heat supply end, increase the control valve 5 and second control valve 6, condenser C1 heated medium export pipeline is communicated with newly-increased condenser 1 heated medium inlet ductwork through control valve 5, and condenser C1 heated medium export pipeline is communicated with newly-increased condenser 1 heated medium export pipeline through second control valve 6.
2. on the flow process, when only closing second control valve 6, heated medium flow through successively absorber E1, condenser C1 and newly-increased condenser 1, composite absorption heat pump is according to single-action and the operation of economic benefits and social benefits complex flow; When only closing control valve 5, heated medium flow through successively absorber E1 and condenser C1, composite absorption heat pump moves according to double-effect process, and heated medium obtains the heat supply of double-effect heat pump flow process; When control valve 5 and second control valve 6 are all opened, all heated mediums flow through successively behind absorber E1 and the condenser C1 its only some again through the control valve 5 newly-increased condenser 1 that continues to flow through, composite absorption heat pump is according to adjustable single-action and the operation of economic benefits and social benefits complex flow, heated medium obtains the heat supply of single-action and economic benefits and social benefits combined heat-pump flow process---and the heated medium of second control valve 6 of flowing through obtains the heat supply of double-effect heat pump flow process, and the heated medium of the control valve 5 of flowing through obtains the heat supply of combined heat-pump flow process.
Shown in Figure 20, according to provided by the present invention, on solution series circulation double effect absorption type heat pump basis, increase the process that high-temperature heat supply end forms adjustable composite absorption heat pump and can carry out so again:
1. on the structure, on solution series circulation double effect absorption type heat pump basis as shown in Figure 1, increase in the composite absorption heat pump of high-temperature heat supply end, increase the control valve 5 and second control valve 6, absorber E1 heated medium export pipeline is communicated with newly-increased condenser 1 heated medium inlet ductwork through control valve 5, and absorber E1 heated medium export pipeline is communicated with newly-increased condenser 1 heated medium export pipeline through second control valve 6.
2. on the flow process, when only closing second control valve 6, heated medium flow through successively condenser C1, absorber E1 and newly-increased condenser 1, composite absorption heat pump is according to single-action and the operation of economic benefits and social benefits complex flow; When only closing control valve 5, heated medium flow through successively condenser C1 and absorber E1, composite absorption heat pump moves according to double-effect process, and heated medium obtains the heat supply of double-effect heat pump flow process; When control valve 5 and second control valve 6 are all opened, all heated mediums flow through successively behind condenser C1 and the absorber E1 its only some again through the control valve 5 newly-increased condenser 1 that continues to flow through, composite absorption heat pump is according to adjustable single-action and the operation of economic benefits and social benefits complex flow, heated medium obtains the heat supply of single-action and economic benefits and social benefits combined heat-pump flow process---and the heated medium of second control valve 6 of flowing through obtains the heat supply of double-effect heat pump flow process, and the heated medium of the control valve 5 of flowing through obtains the heat supply of combined heat-pump flow process.
Shown in Figure 21, according to provided by the present invention, increase on solution circulation double effect absorption type heat pump in parallel basis that process that high-temperature heat supply end forms adjustable composite absorption heat pump is performed such:
1. on the structure, on solution circulation double effect absorption type heat pump in parallel basis as shown in Figure 6, increase in the composite absorption heat pump of high-temperature heat supply end, increase the control valve 5 and second control valve 6, condenser C1 heated medium export pipeline is communicated with newly-increased condenser 1 heated medium inlet ductwork through control valve 5, and condenser C1 heated medium export pipeline is communicated with newly-increased condenser 1 heated medium export pipeline through second control valve 6.
2. on the flow process, when only closing second control valve 6, heated medium flow through successively absorber E1, condenser C1 and newly-increased condenser 1, composite absorption heat pump is according to single-action and the operation of economic benefits and social benefits complex flow; When only closing control valve 5, heated medium flow through successively absorber E1 and condenser C1, composite absorption heat pump moves according to double-effect process, and heated medium obtains the heat supply of double-effect heat pump flow process; When control valve 5 and second control valve 6 are all opened, all heated mediums flow through successively behind absorber E1 and the condenser C1 its only some again through the control valve 5 newly-increased condenser 1 that continues to flow through, composite absorption heat pump is according to adjustable single-action and the operation of economic benefits and social benefits complex flow, heated medium obtains the heat supply of single-action and economic benefits and social benefits combined heat-pump flow process---and the heated medium of second control valve 6 of flowing through obtains the heat supply of double-effect heat pump flow process, and the heated medium of the control valve 5 of flowing through obtains the heat supply of combined heat-pump flow process.
Shown in Figure 22, according to provided by the present invention, increase on solution series circulation three-effect absorption type heat pump foundation that process that high-temperature heat supply end forms adjustable composite absorption heat pump is performed such:
1. on the structure, on solution series circulation three-effect absorption type heat pump foundation as shown in figure 10, increase in the composite absorption heat pump of high-temperature heat supply end, increase the control valve 5 and second control valve 6, condenser D2 heated medium export pipeline is communicated with newly-increased condenser 1 heated medium inlet ductwork through control valve 5, and condenser D2 heated medium export pipeline is communicated with newly-increased condenser 1 heated medium export pipeline through second control valve 6.
2. on the flow process, when only closing second control valve 6, heated medium flow through successively absorber F2, condenser D2 and newly-increased condenser 1, composite absorption heat pump is according to economic benefits and social benefits and the operation of triple effect complex flow; When only closing control valve 5, heated medium flow through successively absorber F2 and condenser D2, composite absorption heat pump are according to the triple effect process flow operation, and heated medium obtains the heat supply of triple effect heat pump flowsheet; When control valve 5 and second control valve 6 are all opened, all heated mediums flow through successively behind absorber F2 and the condenser D2 its only some again through the control valve 5 newly-increased condenser 1 that continues to flow through, composite absorption heat pump is according to adjustable economic benefits and social benefits and the operation of triple effect complex flow, heated medium obtains the heat supply of economic benefits and social benefits and triple effect combined heat-pump flow process---and the heated medium of second control valve 6 of flowing through obtains the heat supply of triple effect heat pump flowsheet, and the heated medium of the control valve 5 of flowing through obtains the heat supply of combined heat-pump flow process.
The effect that the technology of the present invention can realize---the composite absorption heat pump at economic benefits and social benefits or multiple-effect basis increase high-temperature heat supply end proposed by the invention has following effect and advantage:
1. as heat pump, heat capacity is not or not the time of can remedying simple double effect absorption type heat pump for wider heating range, higher final temperature The defective of foot, performance index is relatively low in the time of can remedying in other words the single-action unit for wider heating range, low initial temperature Defective.
2. can realize the conversion between single-action and double-effect process or economic benefits and social benefits and the triple effect flow process or cooperate, realize energy-saving benefit as far as possible Maximization. Such as, adopt single-action heat pump heat supply flow process during winter higher temperature heat supply, adopt economic benefits and social benefits or multiple-effect system during summer cooling The cold flow journey.
3. the adjusting of unit load and heating parameter be can carry out within the specific limits, load, heat supply temperature excursion are being applied to Bigger occasion can be given full play to two flow processs advantage separately, improves the synthesis energy saving benefit.
4. reduced driving the temperature requirement of thermal medium, this is so that can improve the refrigeration effect of residual heat resources when utilizing utilizing waste heat for refrigeration Benefit, thus the parameter request that reduces driving thermal medium when also being suitable for heat-electricity-cold combined supply is conducive to reasonable energy.
5. increase condenser and choke valve and formed integral type combined heat-pump structure, simple in structure, equipment manufacturing cost is relatively low.
Claims (5)
1. the composite absorption heat pump that on the double-effect heat pump basis, increases high-temperature heat supply end and form, be by high pressure generator (A1), low pressure generator (B1), condenser (C1), evaporimeter (D1), absorber (E1), choke valve (F1), second choke valve (G1), solution pump (H1), solution heat exchanger (J1), second solution heat exchanger (K1) and cryogen liquid recirculation pump (L1) or add in the double effect absorption type heat pump that second solution pump (I1) forms, increase newly-increased condenser (1) and newly-increased choke valve (2) newly, set up the newly-increased condenser (1) of refrigerant vapour pipeline connection from high pressure generator (A1), newly-increased condenser (1) also has the cryogen liquid pipeline to be communicated with evaporimeter (D1) or to be communicated with condenser (C1) through newly-increased choke valve (2), and newly-increased condenser (1) has heated medium pipeline and external communications again; It is characterized in that: high pressure generator (A1) provides refrigerant vapour to form new single-action high-temperature heat supply end to newly-increased condenser (1) providing refrigerant vapour to drive thermal medium as it for low pressure generator (B1) when, obtain comprising single-action and double-effect process and by absorber (E1), condenser (C1) and newly-increased condenser (1) respectively to the composite absorption heat pump of heated medium heat supply.
2. the composite absorption heat pump that on triple effect heat pump basis, increases high-temperature heat supply end and form, be by high pressure generator (A2), the middle generator (B2) of pressing, low pressure generator (C2), condenser (D2), evaporimeter (E2), absorber (F2), choke valve (G2), second choke valve (H2), the 3rd choke valve (I2), solution pump (J2), solution heat exchanger (M2), second solution heat exchanger (N2), the 3rd solution heat exchanger (O2) and cryogen liquid recirculation pump (P2) or add second solution pump (K2), in the three-effect absorption-type heat pump that the 3rd solution pump (L2) is formed, increase newly-increased condenser (1) and newly-increased choke valve (2) newly, set up the newly-increased condenser (1) of refrigerant vapour pipeline connection or/and high pressure generator (A2) is had to press in the refrigerant vapour pipeline connection simultaneously and press generator (B2) to have the cryogen liquid pipeline to be communicated with condenser (D2) again in generator (B2) back to change into and be communicated with newly-increased condenser (1) from middle pressure generator (B2) through second choke valve (H2), newly-increased condenser (1) also has the cryogen liquid pipeline to be communicated with evaporimeter (E2) or to be communicated with condenser (D2) through newly-increased choke valve (2), and newly-increased condenser (1) has heated medium pipeline and external communications again; It is characterized in that: middle pressure generator (B2) provides refrigerant vapour to form new economic benefits and social benefits high-temperature heat supply end to newly-increased condenser (1) providing refrigerant vapour to drive thermal medium as it for low pressure generator (C2) when, obtain comprising economic benefits and social benefits and triple effect flow process and by absorber (F2), condenser (D2) and newly-increased condenser (1) respectively to the composite absorption heat pump of heated medium heat supply.
3. the composite absorption heat pump that on triple effect heat pump basis, increases by two high-temperature heat supply ends and form, be on the described triple effect heat pump of claim 2 basis, to increase high-temperature heat supply end and in the composite absorption heat pump that forms, increase newly-increased second condenser (3) and newly-increased second choke valve (4) again, set up newly-increased second condenser (3) of refrigerant vapour pipeline connection from high pressure generator (A2), newly-increased second condenser (3) also has the cryogen liquid pipeline through increasing second choke valve (4) connection evaporimeter (E2) newly or being communicated with condenser (D2) or being communicated with newly-increased condenser (1), and increasing second condenser (3) newly has heated medium pipeline and external communications again; It is characterized in that: high pressure generator (A2) provides refrigerant vapour to form new single-action high-temperature heat supply end to newly-increased second condenser (3) providing refrigerant vapour to drive thermal medium as it for middle pressure generator (B2) when, obtain comprising single-action, economic benefits and social benefits and triple effect flow process and by absorber (F2), condenser (D2), increase condenser (1) newly and increase second condenser (3) newly respectively to the composite absorption heat pump of heated medium heat supply.
4. on the economic benefits and social benefits basis, increase the adjustable composite absorption heat pump of high-temperature heat supply end, be on the described double-effect heat pump of claim 1 basis, to increase high-temperature heat supply end and in the composite absorption heat pump that forms, increase control valve (5) and second control valve (6), absorber (E1) or condenser (C1) heated medium export pipeline are communicated with newly-increased condenser (1) heated medium inlet ductwork through control valve (5), and absorber (E1) or condenser (C1) heated medium export pipeline are communicated with newly-increased condenser (1) heated medium export pipeline through second control valve (6); It is characterized in that: when only closing second control valve (6), composite absorption heat pump is according to single-action and the operation of economic benefits and social benefits complex flow; When only closing control valve (5), composite absorption heat pump moves according to double-effect process; Control valve (5) and second control valve (6) are when all opening, and composite absorption heat pump is according to adjustable single-action and the operation of economic benefits and social benefits complex flow.
5. on triple effect heat pump basis, increase the adjustable composite absorption heat pump of high-temperature heat supply end, be on the described triple effect heat pump of claim 2 basis, to increase high-temperature heat supply end and in the composite absorption heat pump that forms, increase control valve (5) and second control valve (6), absorber (F2) or condenser (D2) heated medium export pipeline are communicated with newly-increased condenser (1) heated medium inlet ductwork through control valve (5), and absorber (F2) or condenser (D2) heated medium export pipeline are communicated with newly-increased condenser (1) heated medium export pipeline through second control valve (6); It is characterized in that: when only closing second control valve (6), composite absorption heat pump is according to economic benefits and social benefits and the operation of triple effect complex flow; When only closing control valve (5), composite absorption heat pump is according to the triple effect process flow operation; Control valve (5) and second control valve (6) are when all opening, and composite absorption heat pump is according to adjustable economic benefits and social benefits and the operation of triple effect complex flow.
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CN2009101684411A CN101644505B (en) | 2008-08-25 | 2009-08-20 | Composite adsorption type heat pump adding high-temperature heat supply end on the basis of double-effect or multiple-effect |
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