CN102589185A

CN102589185A - Third type absorption heat pump with regenerative cooling end

Info

Publication number: CN102589185A
Application number: CN2012100472037A
Authority: CN
Inventors: 李华玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-19
Filing date: 2012-02-19
Publication date: 2012-07-18
Anticipated expiration: 2032-02-19
Also published as: CN102589185B

Abstract

The invention provides a third type absorption heat pump with a regenerative cooling end, and belongs to the technical field of heat pumps. A second absorber is communicated with a first generator through a third solution pump, a second solution heat exchanger, an absorber-generator, a first solution pump and a first solution heat exchanger; the first generator is communicated with a second absorber through the first solution heat exchanger, the absorber-generator, a steam dividing chamber, the second solution heat exchanger, a second generator, a second solution pump, and a third solution heat exchanger; the first generator is communicated with a first condenser; the second generator is communicated with the second absorber; the steam dividing chamber is communicated with a second condenser; the first condenser is communicated with an evaporator through a throttling valve and the second condenser is communicated with the evaporator through a refrigerant liquid pump; the evaporator is communicated with the absorber-generator and the first absorber; the first absorber and the first condenser supply heat; and the second absorber and the second condenser release the heat, and thus the third type absorption heat pump with the regenerative cooling end is formed.

Description

The 3rd class absorption heat pump with backheat colling end

Technical field:

The invention belongs to low temperature exhaust heat and utilize technical field of heat pumps.

Background technology:

In the occasion of residual heat resources, adopt the 3rd class absorption heat pump technology to carry out UTILIZATION OF VESIDUAL HEAT IN and have reasonable energy-saving and environmental protection and economic benefit than horn of plenty.Heat is risen to from waste heat supply temperature more than the level of user's request is the prerequisite that realizes that low temperature exhaust heat utilizes.The basic way that promotes waste heat supply temperature is to make full use of the temperature difference, especially will make full use of the temperature difference between residual heat resources and the cold environment.When adopting non-phase transformation cooling medium, the quantity of colling end has two or more, will help reducing to cool off the heat transfer temperature difference of link, and the thermodynamics sophistication is provided; When adopting the backheat flow process of adjustable heat load joint, can make absorption heat pump under the situation that keeps certain performance index, realize the continuous adjusting of heat supply temperature.Also have; Consider that the high temperature driven thermal medium adopts non-phase change medium and flow less relatively and cause the bigger situation of variations in temperature; In order to reduce heat transfer temperature difference, to reduce irreversible heat transfer degree; Can adopt two high-temperature generators to realize that the substep of solution takes place, this also can make the performance index of the 3rd class absorption heat pump realize serialization within the specific limits.

Summary of the invention:

Main purpose of the present invention provides the 3rd class absorption heat pump with backheat colling end, and concrete summary of the invention subitem is set forth as follows:

1. the 3rd class absorption heat pump that has the backheat colling end mainly is made up of first generator, second generator, absorption-generator, first absorber, second absorber, first condenser, second condenser, evaporimeter, first solution pump, second solution pump, the 3rd solution pump, cryogen liquid pump, choke valve, first solution heat exchanger, second solution heat exchanger, the 3rd solution heat exchanger and branch steam chest; Second absorber has the weak solution pipeline to be communicated with absorption-generator through the 3rd solution pump and second solution heat exchanger; Absorption-generator also has the weak solution pipeline to be communicated with first generator through first solution pump and first solution heat exchanger; First generator also has the concentrated solution pipeline to be communicated with dividing steam chest through first solution heat exchanger and absorption-generator; Divide steam chest to also have the concentrated solution pipeline to be communicated with second generator through second solution heat exchanger; Second generator also has the concentrated solution pipeline to be communicated with first absorber through second solution pump and the 3rd solution heat exchanger; First absorber also has the weak solution pipeline to be communicated with second absorber through the 3rd solution heat exchanger, and first generator also has the refrigerant vapour passage to be communicated with first condenser, and second generator also has the refrigerant vapour passage to be communicated with second absorber; Divide steam chest to also have the refrigerant vapour passage to be communicated with second condenser; First condenser also has the cryogen liquid pipeline to be communicated with evaporimeter through choke valve, and second condenser also has the cryogen liquid pipeline to be communicated with evaporimeter through the cryogen liquid pump, and evaporimeter also has the refrigerant vapour passage to be communicated with the absorption-generator and first absorber respectively; First generator drives thermal medium pipeline and external communications in addition; Second generator and evaporimeter also have surplus heat respectively medium pipeline and external communications, absorption-generator or also have heated medium pipeline and external communications, first absorber and first condenser also have heated medium pipeline and external communications respectively; Second absorber and second condenser also have cooling medium pipeline and external communications respectively, form the 3rd class absorption heat pump with backheat colling end.

2. the 3rd class absorption heat pump that has the backheat colling end; Be in the 1st described the 3rd class absorption heat pump with backheat colling end; Increase by second evaporimeter and second choke valve; The refrigerant vapour passage that the cancellation evaporimeter is communicated with absorption-generator, evaporimeter are set up the cryogen liquid pipeline and are communicated with second evaporimeter through second choke valve, and second evaporimeter also has the refrigerant vapour passage to be communicated with absorption-generator; Second evaporimeter also have surplus heat medium pipeline and external communications form the 3rd class absorption heat pump with backheat colling end.

3. the 3rd class absorption heat pump that has the backheat colling end mainly is made up of first generator, second generator, absorption-generator, first absorber, second absorber, first condenser, second condenser, evaporimeter, second evaporimeter, first solution pump, second solution pump, the 3rd solution pump, cryogen liquid pump, choke valve, first solution heat exchanger, second solution heat exchanger, the 3rd solution heat exchanger and branch steam chest; Second absorber has the weak solution pipeline to be communicated with dividing steam chest through the 3rd solution pump, second solution heat exchanger and absorption-generator; Divide steam chest to also have the concentrated solution pipeline to be communicated with second generator through second solution heat exchanger; Second generator also has the concentrated solution pipeline to be communicated with first absorber through second solution pump and the 3rd solution heat exchanger; First absorber also has the weak solution pipeline to be communicated with second absorber through the 3rd solution heat exchanger; Absorption-generator also has the weak solution pipeline to be communicated with first generator through first solution pump and first solution heat exchanger, and first generator also has the concentrated solution pipeline to be communicated with absorption-generator through first solution heat exchanger, and first generator also has the refrigerant vapour passage to be communicated with first condenser; First condenser also has the cryogen liquid pipeline to be communicated with second evaporimeter through choke valve; Second evaporimeter also has the refrigerant vapour passage to be communicated with absorption-generator, and second generator also has the refrigerant vapour passage to be communicated with second absorber, divides steam chest to also have the refrigerant vapour passage to be communicated with second condenser; Second condenser also has the cryogen liquid pipeline to be communicated with evaporimeter through the cryogen liquid pump; Evaporimeter also has the refrigerant vapour passage to be communicated with first absorber, and first generator drives thermal medium pipeline and external communications in addition, second generator, evaporimeter and second evaporimeter also have surplus heat respectively medium pipeline and external communications; Absorption-generator or also have heated medium pipeline and external communications; First absorber and first condenser also have heated medium pipeline and external communications respectively, and second absorber and second condenser also have cooling medium pipeline and external communications respectively, form the 3rd class absorption heat pump with backheat colling end.

4. the 3rd class absorption heat pump that has the backheat colling end; Be in the 3rd described the 3rd class absorption heat pump with backheat colling end; Cancel second evaporimeter; Having the cryogen liquid pipeline to be communicated with second evaporimeter through choke valve first condenser is adjusted into first condenser and has the cryogen liquid pipeline to be communicated with evaporimeter through choke valve; There is the refrigerant vapour passage to be communicated with to be adjusted into evaporimeter to set up the refrigerant vapour passage in second evaporimeter and is communicated with, form the 3rd class absorption heat pump with backheat colling end with absorption-generator with absorption-generator.

5. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 1-2 item; Increase the 3rd generator, the 3rd absorber, the 4th solution heat exchanger and the 5th solution heat exchanger; To absorb-generator has the weak solution pipeline to be communicated with first generator through first solution pump and first solution heat exchanger to be adjusted into absorption-generator weak solution pipeline warp first solution pump, the 4th solution heat exchanger and first solution heat exchanger and first generator are arranged; There is the concentrated solution pipeline connection of concentrated solution pipeline warp first solution heat exchanger the 3rd generator to be arranged with dividing steam chest to be communicated with to be adjusted into first generator in first generator through first solution heat exchanger and absorption-generator; The 3rd generator has the concentrated solution pipeline to be communicated with accent through the 4th solution heat exchanger and absorption-generator with dividing steam chest again; Having the weak solution pipeline to be communicated with absorption-generator through the 3rd solution pump and second solution heat exchanger second absorber is adjusted into second absorber and has weak solution pipeline warp the 3rd solution pump and the 5th solution heat exchanger to be communicated with the 3rd absorber; The 3rd absorber has the weak solution pipeline to be communicated with absorption-generator through the 5th solution heat exchanger and second solution heat exchanger again; The 3rd generator also has the refrigerant vapour passage to be communicated with the 3rd absorber; The 3rd generator drives thermal medium pipeline and external communications in addition, and the 3rd absorber also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

6. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 1-2 item; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; First solution pump is set up the weak solution pipeline and is communicated with newly-increased generator through newly-increased solution heat exchanger; Newly-increased generator also has the concentrated solution pipeline to be communicated with dividing steam chest through newly-increased solution heat exchanger and absorption-generator; Having the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator to have the refrigerant vapour passage to be communicated with the newly-increased generator in back with newly-increased generator in first generator has the cryogen liquid pipeline to be communicated with first condenser through newly-increased choke valve again, and newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser, and formation has the 3rd class absorption heat pump of backheat colling end.

7. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 1-2 item; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; To absorb-generator has the weak solution pipeline to be communicated with first generator through first solution pump and first solution heat exchanger to be adjusted into absorption-generator and to have weak solution pipeline warp first solution pump, first solution heat exchanger and newly-increased solution heat exchanger to be communicated with first generator; With first generator have the concentrated solution pipeline through first solution heat exchanger and absorption-generator with divide steam chest to be communicated with to be adjusted into first generator to have concentrated solution pipeline warp to increase solution heat exchanger newly to be communicated with newly-increased generator; Newly-increased generator has the concentrated solution pipeline to be communicated with dividing steam chest through first solution heat exchanger and absorption-generator again; Having the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator to have the refrigerant vapour passage to be communicated with the newly-increased generator in back with newly-increased generator in first generator has the cryogen liquid pipeline to be communicated with first condenser through newly-increased choke valve again; Newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser, forms the 3rd class absorption heat pump with backheat colling end.

8. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 1-2 item; Increase newly-increased generator, newly-increased choke valve, newly-increased solution heat exchanger and newly-increased solution pump; To absorb-generator has the weak solution pipeline to be communicated with first generator through first solution pump and first solution heat exchanger to be adjusted into the absorption generator and to have weak solution pipeline warp first solution pump and first solution heat exchanger to be communicated with newly-increased generator; Newly-increased generator has the concentrated solution pipeline to be communicated with first generator through newly-increased solution pump and newly-increased solution heat exchanger again; With first generator have the concentrated solution pipeline through first solution heat exchanger and absorption-generator with divide steam chest to be communicated with to be adjusted into first generator to have concentrated solution pipeline warp to increase solution heat exchanger, first solution heat exchanger and absorption-generator newly to be communicated with the branch steam chest; Having the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator to have the refrigerant vapour passage to be communicated with the newly-increased generator in back with newly-increased generator in first generator has the cryogen liquid pipeline to be communicated with first condenser through newly-increased choke valve again; Newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser, forms the 3rd class absorption heat pump with backheat colling end.

9. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 3-4 item; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; First solution pump is set up the weak solution pipeline and is communicated with newly-increased generator through newly-increased solution heat exchanger; Newly-increased generator also has the concentrated solution pipeline to be communicated with absorption-generator through newly-increased solution heat exchanger; Having the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator to have the refrigerant vapour passage to be communicated with the newly-increased generator in back with newly-increased generator in first generator has the cryogen liquid pipeline to be communicated with first condenser through newly-increased choke valve again, and newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser, and formation has the 3rd class absorption heat pump of backheat colling end.

10. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 3-4 item; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; To absorb-generator has the weak solution pipeline to be communicated with first generator through first solution pump and first solution heat exchanger to be adjusted into absorption-generator and to have weak solution pipeline warp first solution pump, first solution heat exchanger and newly-increased solution heat exchanger to be communicated with first generator; Having the concentrated solution pipeline to be communicated with absorption-generator through first solution heat exchanger in first generator is adjusted into first generator and has concentrated solution pipeline warp to increase solution heat exchanger newly to be communicated with newly-increased generator; Newly-increased generator has the concentrated solution pipeline to be communicated with absorption-generator through first solution heat exchanger again; Having the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator to have the refrigerant vapour passage to be communicated with the newly-increased generator in back with newly-increased generator in first generator has the cryogen liquid pipeline to be communicated with first condenser through newly-increased choke valve again; Newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser, forms the 3rd class absorption heat pump with backheat colling end.

11. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 3-4 item; Increase newly-increased generator, newly-increased choke valve, newly-increased solution heat exchanger and newly-increased solution pump; To absorb-generator has the weak solution pipeline to be communicated with first generator through first solution pump and first solution heat exchanger to be adjusted into absorption-generator and to have weak solution pipeline warp first solution pump and first solution heat exchanger to be communicated with newly-increased generator; Newly-increased generator has the concentrated solution pipeline to be communicated with first generator through newly-increased solution pump and newly-increased solution heat exchanger again; Having the concentrated solution pipeline to be communicated with absorption-generator through first solution heat exchanger in first generator is adjusted into first generator and has concentrated solution pipeline warp to increase solution heat exchanger newly and first solution heat exchanger is communicated with absorption-generator; Having the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator to have the refrigerant vapour passage to be communicated with the newly-increased generator in back with newly-increased generator in first generator has the cryogen liquid pipeline to be communicated with first condenser through newly-increased choke valve again; Newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser, forms the 3rd class absorption heat pump with backheat colling end.

12. have the 3rd class absorption heat pump of backheat colling end; Be in the 5th described arbitrary the 3rd class absorption heat pump with backheat colling end; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; With first solution pump have the weak solution pipeline through the 4th solution heat exchanger and first solution heat exchanger is communicated with first generator be adjusted into first solution pump have the weak solution pipeline after the 4th solution heat exchanger respectively again through first solution heat exchanger and the first generator connected sum again warp increase solution heat exchanger newly and be communicated with newly-increased generator; Newly-increased generator also has the concentrated solution pipeline to be communicated with the 3rd generator through newly-increased solution heat exchanger; Having the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator to have the refrigerant vapour passage to be communicated with the newly-increased generator in back with newly-increased generator in first generator has the cryogen liquid pipeline to be communicated with first condenser through newly-increased choke valve again; Newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser, forms the 3rd class absorption heat pump with backheat colling end.

13. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 5-6 item; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; To absorb-generator has the weak solution pipeline to be communicated with first generator through first solution pump, the 4th solution heat exchanger and first solution heat exchanger to be adjusted into absorption-generator and to have weak solution pipeline warp first solution pump, the 4th solution heat exchanger, first solution heat exchanger and newly-increased solution heat exchanger to be communicated with first generator; Having the concentrated solution pipeline to be communicated with the 3rd generator through first solution heat exchanger in first generator is adjusted into first generator and has concentrated solution pipeline warp to increase solution heat exchanger newly to be communicated with newly-increased generator; Newly-increased generator has the concentrated solution pipeline to be communicated with the 3rd generator through first solution heat exchanger again; Having the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator to have the refrigerant vapour passage to be communicated with the newly-increased generator in back with newly-increased generator in first generator has the cryogen liquid pipeline to be communicated with first condenser through newly-increased choke valve again; Newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser, forms the 3rd class absorption heat pump with backheat colling end.

14. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 5-6 item; Increase newly-increased generator, newly-increased choke valve, newly-increased solution heat exchanger and newly-increased solution pump; To absorb-generator has the weak solution pipeline to be communicated with first generator through first solution pump, the 4th solution heat exchanger and first solution heat exchanger to be adjusted into absorption-generator and to have weak solution pipeline warp first solution pump, the 4th solution heat exchanger and first solution heat exchanger to be communicated with newly-increased generator; Newly-increased generator has the concentrated solution pipeline to be communicated with first generator through newly-increased solution pump and newly-increased solution heat exchanger again; Having the concentrated solution pipeline to be communicated with the 3rd generator through first solution heat exchanger in first generator is adjusted into first generator and has concentrated solution pipeline warp to increase solution heat exchanger newly and first solution heat exchanger is communicated with the 3rd generator; Having the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator to have the refrigerant vapour passage to be communicated with the newly-increased generator in back with newly-increased generator in first generator has the cryogen liquid pipeline to be communicated with first condenser through newly-increased choke valve again; Newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser, forms the 3rd class absorption heat pump with backheat colling end.

15. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 12-14 item; Cancel the driving thermal medium pipeline of the 3rd generator and external communications; Increase newly-increased second choke valve, first generator is set up the refrigerant vapour passage and is communicated with back the 3rd generator with the 3rd generator and has the cryogen liquid pipeline to be communicated with first condenser through increasing second choke valve newly again, and formation has the 3rd class absorption heat pump of backheat colling end.

16. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 1-5 item; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger; First generator had the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator has the refrigerant vapour passage to be communicated with newly-increased absorber; Newly-increased absorber also has the weak solution pipeline to be communicated with newly-increased generator through newly-increased solution pump and newly-increased solution heat exchanger; Newly-increased generator also has the concentrated solution pipeline to be communicated with newly-increased absorber through newly-increased solution heat exchanger, and newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser, and newly-increased generator drives thermal medium pipeline and external communications in addition; Newly-increased absorber also has heated medium pipeline and external communications, has the 3rd class absorption heat pump of backheat colling end.

17. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 1-5 item; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump, newly-increased solution heat exchanger, newly-increased condenser and newly-increased choke valve; First generator is set up the refrigerant vapour passage and is communicated with newly-increased absorber; Newly-increased absorber also has the weak solution pipeline to be communicated with newly-increased generator through newly-increased solution pump and newly-increased solution heat exchanger, and newly-increased generator also has the concentrated solution pipeline to be communicated with newly-increased absorber through newly-increased solution heat exchanger, and newly-increased generator also has the refrigerant vapour passage to be communicated with newly-increased condenser; Newly-increased condenser also has the cryogen liquid pipeline to be communicated with first condenser or evaporimeter through newly-increased choke valve; Newly-increased generator drives thermal medium pipeline and external communications in addition, and newly-increased absorber and newly-increased condenser also have heated medium pipeline and external communications respectively, forms the 3rd class absorption heat pump with backheat colling end.

18. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 1-2,4; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger; First generator had the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator has the refrigerant vapour passage to be communicated with newly-increased absorber; Newly-increased absorber also has the weak solution pipeline to be communicated with newly-increased generator through newly-increased solution pump and newly-increased solution heat exchanger, and newly-increased generator also has the concentrated solution pipeline to be communicated with newly-increased absorber through newly-increased solution heat exchanger, and newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser; Newly-increased generator drives thermal medium pipeline and external communications in addition, and newly-increased absorber also has heated medium pipeline and external communications; Cancel the heated medium pipeline of first absorber and external communications; Increase newly-increased cryogen liquid pump or newly-increased choke valve; Evaporimeter set up the cryogen liquid pipeline through newly-increased cryogen liquid pump have the refrigerant vapour passage to be communicated with again with first absorber after first absorber is communicated with newly-increased absorber or first condenser set up the cryogen liquid pipeline through increase choke valve newly and after first absorber is communicated with first absorber have the refrigerant vapour passage to be communicated with again with newly-increased absorber, formation has the 3rd class absorption heat pump of backheat colling end.

19. have the 3rd class absorption heat pump of backheat colling end; Be in the 5th described arbitrary the 3rd class absorption heat pump with backheat colling end; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger; First generator had the refrigerant vapour passage to be communicated with first condenser to be adjusted into first generator has the refrigerant vapour passage to be communicated with newly-increased absorber; Newly-increased absorber also has the weak solution pipeline to be communicated with newly-increased generator through newly-increased solution pump and newly-increased solution heat exchanger, and newly-increased generator also has the concentrated solution pipeline to be communicated with newly-increased absorber through newly-increased solution heat exchanger, and newly-increased generator also has the refrigerant vapour passage to be communicated with first condenser; Newly-increased generator drives thermal medium pipeline and external communications in addition, and newly-increased absorber also has heated medium pipeline and external communications; Cancel first absorber and the 3rd absorber respectively with the heated medium pipeline of external communications; Evaporimeter set up cryogen liquid pipeline the 3rd absorber after newly-increased cryogen liquid pump is communicated with first absorber and the 3rd absorber successively have the refrigerant vapour passage to be communicated with again with newly-increased absorber or first condenser set up the cryogen liquid pipeline through newly-increased choke valve be communicated with successively first absorber and the 3rd absorber afterwards the 3rd absorber have the refrigerant vapour passage to be communicated with again with newly-increased absorber, formation has the 3rd class absorption heat pump of backheat colling end.

20. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 1-2 item; Increase newly-increased cryogen liquid pump or newly-increased choke valve, newly-increased absorber and newly-increased solution heat exchanger; Having the concentrated solution pipeline to be communicated with first absorber through second solution pump and the 3rd solution heat exchanger in second generator is adjusted into second generator and has concentrated solution pipeline warp second solution pump, the 3rd solution heat exchanger and newly-increased solution heat exchanger to be communicated with newly-increased absorber; Newly-increased absorber has the weak solution pipeline to be communicated with first absorber through newly-increased solution heat exchanger again; Cancel the heated medium pipeline of first absorber and external communications; Evaporimeter set up the cryogen liquid pipeline through newly-increased cryogen liquid pump have the refrigerant vapour passage to be communicated with again with first absorber after first absorber is communicated with newly-increased absorber or first condenser set up the cryogen liquid pipeline through increase choke valve newly and after first absorber is communicated with first absorber have the refrigerant vapour passage to be communicated with again with newly-increased absorber; Newly-increased absorber also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

21. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 1-2 item; Increase newly-increased cryogen liquid pump or newly-increased choke valve, newly-increased absorber, newly-increased solution heat exchanger and newly-increased solution pump; Having the weak solution pipeline to be communicated with second absorber through the 3rd solution heat exchanger first absorber is adjusted into first absorber and has weak solution pipeline warp to increase solution pump newly and newly-increased solution heat exchanger is communicated with newly-increased absorber; Newly-increased absorber has the weak solution pipeline to be communicated with second absorber through newly-increased solution heat exchanger and the 3rd solution heat exchanger again; Cancel the heated medium pipeline of first absorber and external communications; Evaporimeter set up the cryogen liquid pipeline through newly-increased cryogen liquid pump have the refrigerant vapour passage to be communicated with again with first absorber after first absorber is communicated with newly-increased absorber or first condenser set up the cryogen liquid pipeline through increase choke valve newly and after first absorber is communicated with first absorber have the refrigerant vapour passage to be communicated with again with newly-increased absorber; Newly-increased absorber also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

22. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 3-4 item; Increase newly-increased cryogen liquid pump, newly-increased absorber and newly-increased solution heat exchanger; Having the concentrated solution pipeline to be communicated with first absorber through second solution pump and the 3rd solution heat exchanger in second generator is adjusted into second generator and has concentrated solution pipeline warp second solution pump, the 3rd solution heat exchanger and newly-increased solution heat exchanger to be communicated with newly-increased absorber; Newly-increased absorber has the weak solution pipeline to be communicated with first absorber through newly-increased solution heat exchanger again; Cancel the heated medium pipeline of first absorber and external communications; Evaporimeter is set up cryogen liquid pipeline first absorber after increasing the cryogen liquid pump newly and first absorber is communicated with has the refrigerant vapour passage to be communicated with newly-increased absorber again, and newly-increased absorber also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

23. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 3-4 item; Increase newly-increased cryogen liquid pump, newly-increased absorber, newly-increased solution heat exchanger and newly-increased solution pump; Having the weak solution pipeline to be communicated with second absorber through the 3rd solution heat exchanger first absorber is adjusted into first absorber and has weak solution pipeline warp to increase solution pump newly and newly-increased solution heat exchanger is communicated with newly-increased absorber; Newly-increased absorber has the weak solution pipeline to be communicated with second absorber through newly-increased solution heat exchanger and the 3rd solution heat exchanger again; Cancel the heated medium pipeline of first absorber and external communications; Evaporimeter is set up cryogen liquid pipeline first absorber after increasing the cryogen liquid pump newly and first absorber is communicated with has the refrigerant vapour passage to be communicated with newly-increased absorber again, forms the 3rd class absorption heat pump with backheat colling end.

24. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 6-14 item; Increase newly-increased condenser and newly-increased second choke valve; First generator is set up the refrigerant vapour passage and is communicated with newly-increased condenser; Newly-increased condenser also has the cryogen liquid pipeline to be communicated with first condenser or evaporimeter through newly-increased second choke valve, and newly-increased condenser also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

25. have the 3rd class absorption heat pump of backheat colling end; Be in the 15th described arbitrary the 3rd class absorption heat pump with backheat colling end; Increase newly-increased condenser and newly-increased the 3rd choke valve; First generator is set up the refrigerant vapour passage and is communicated with newly-increased condenser; Newly-increased condenser also has the cryogen liquid pipeline to be communicated with first condenser or evaporimeter through newly-increased the 3rd choke valve, and newly-increased condenser also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

26. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of 6-15 item; Increase increase again generator, again increase absorber, resolubilization liquid pump, resolubilization liquid heat exchanger, increase condenser and increase choke valve more again; Newly-increased generator is set up the refrigerant vapour passage and is increased absorber again and be communicated with; Increase again absorber also have the weak solution pipeline through resolubilization liquid pump and resolubilization liquid heat exchanger with increase generator again and be communicated with, increase again generator also have the concentrated solution pipeline through the resolubilization liquid heat exchanger with increase absorber again and be communicated with, increase generator again and also have the refrigerant vapour passage and increase condenser again and be communicated with; Increasing condenser again also has the cryogen liquid pipeline to be communicated with first condenser or evaporimeter through increasing choke valve again; Increase generator again and drive thermal medium pipeline and external communications in addition, increasing absorber again and increasing condenser more also has heated medium pipeline and external communications respectively, forms the 3rd class absorption heat pump with backheat colling end.

27. have the 3rd class absorption heat pump of backheat colling end; Be in the 26th described arbitrary the 3rd class absorption heat pump with backheat colling end; Cancellation increases the driving thermal medium pipeline of generator and external communications again; Increase and to increase second choke valve again, increasing generator after first generator is set up the refrigerant vapour passage and increased generator again and is communicated with again has cryogen liquid pipeline warp to increase second choke valve again and increase condenser again and be communicated with again, and formation has the 3rd class absorption heat pump of backheat colling end.

Be the present invention of example brief description with the 3rd class absorption heat pump with backheat colling end shown in Figure 1 below:

Among Fig. 1, the refrigerant vapour that second generator 2 produces does not directly provide to second condenser 7, but get into second absorber 5 by solution absorption and heat release in cooling medium, bring following effect:

Comparable absorption-the generator 3 of the refrigerant vapour pressure that (1) second generator 2 produces produces and is low by the refrigerant vapour pressure of minute steam chest 17 releases.

(2) second generators 2 and second absorber 5 are realized backheat, its adjustable heat load joint; The backheat load is big more, and the solution concentration of first absorber 4 is big more, and heat supply temperature is high more.

(3) second absorbers 5 and second condenser, the 7 common temperature drop processes of accomplishing a part of waste heat load help reducing heat transfer temperature difference.

The refrigerant vapour that (4) first absorbers 4 absorb is discharged by first generator 1 again, and the performance index of absorption heat pump does not change with the variation of heat supply temperature; The temperature difference is big more between waste heat medium and the cold environment, and available backheat load is big more, and the heat supply temperature of absorption heat pump will be higher.

Description of drawings:

Fig. 1 is according to the 3rd class absorption heat pump the 1st kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Fig. 2 is according to the 3rd class absorption heat pump the 2nd kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Fig. 3 is according to the 3rd class absorption heat pump the 3rd kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Fig. 4 is according to the 3rd class absorption heat pump the 4th kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Fig. 5 is according to the 3rd class absorption heat pump the 5th kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Fig. 6 is according to the 3rd class absorption heat pump the 6th kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Fig. 7 is according to the 3rd class absorption heat pump the 7th kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Fig. 8 is according to the 3rd class absorption heat pump the 8th kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Fig. 9 is according to the 3rd class absorption heat pump the 9th kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Figure 10 is according to the 3rd class absorption heat pump the 10th kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Figure 11 is according to the 3rd class absorption heat pump the 11st kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Figure 12 is according to the 3rd class absorption heat pump the 12nd kind of structure and schematic flow sheet with backheat colling end provided by the present invention.

Among the figure, 1-first generator, 2-second generator, 3-absorption-generator, 4-first absorber; 5-second absorber, 6-first condenser, 7-second condenser, 8-evaporimeter, 9-first solution pump; 10-second solution pump, 11-the 3rd solution pump, 12-cryogen liquid pump, 13-choke valve, 14-first solution heat exchanger; 15-second solution heat exchanger, 16 the 3rd solution heat exchangers, 17-divides steam chest, 18-second evaporimeter, 19-second choke valve; 20-the 4th solution heat exchanger, 21-the 3rd generator, 22-the 3rd absorber, 23-the 5th solution heat exchanger; A-increases generator newly, and B-increases choke valve newly, and C-increases solution heat exchanger newly, and D-increases solution pump newly, and E-increases absorber newly, and G-increases the cryogen liquid pump newly.

The specific embodiment:

At first be noted that and in the statement of structure and flow process, do not repeat under the inessential situation; Conspicuous flow process is not explained.Describe the present invention in detail below in conjunction with accompanying drawing and instance.

The 3rd class absorption heat pump with backheat colling end shown in Figure 1 is achieved in that

1. on the structure, it mainly is made up of first generator, second generator, absorption-generator, first absorber, second absorber, first condenser, second condenser, evaporimeter, first solution pump, second solution pump, the 3rd solution pump, cryogen liquid pump, choke valve, first solution heat exchanger, second solution heat exchanger, the 3rd solution heat exchanger and branch steam chest; Second absorber 5 has the weak solution pipeline to be communicated with absorption-generator 3 through the 3rd solution pump 11 and second solution heat exchanger 15; Absorption-generator 3 also has the weak solution pipeline to be communicated with first generator 1 through first solution pump 9 and first solution heat exchanger 14; First generator 1 also has the concentrated solution pipeline to be communicated with dividing steam chest 17 through first solution heat exchanger 14 and absorption-generator 3; Divide steam chest 17 to also have the concentrated solution pipeline to be communicated with second generator 2 through second solution heat exchanger 15; Second generator 2 also has the concentrated solution pipeline to be communicated with first absorber 4 through second solution pump 10 and the 3rd solution heat exchanger 16; First absorber 4 also has the weak solution pipeline to be communicated with second absorber 5 through the 3rd solution heat exchanger 16; First generator 1 also has the refrigerant vapour passage to be communicated with first condenser 6, and second generator 2 also has the refrigerant vapour passage to be communicated with second absorber 5, divides steam chest 17 to also have the refrigerant vapour passage to be communicated with second condenser 7; First condenser 6 also has the cryogen liquid pipeline to be communicated with evaporimeter 8 through choke valve 13; Second condenser 7 also has the cryogen liquid pipeline to be communicated with evaporimeter 8 through cryogen liquid pump 12, and evaporimeter 8 also has the refrigerant vapour passage to be communicated with the absorption-generator 3 and first absorber 4 respectively, and first generator 1 drives thermal medium pipeline and external communications in addition; Second generator 2 and evaporimeter 8 also have surplus heat respectively medium pipeline and external communications; Absorption-generator 3 also has heated medium pipeline and external communications, and first absorber 4 and first condenser 6 also have heated medium pipeline and external communications respectively, and second absorber 5 and second condenser 7 also have cooling medium pipeline and external communications respectively.

2. on the flow process; The weak solution of second absorber 5 through the 3rd solution pump 11 and second solution heat exchanger 15 get into refrigerant vapour that absorptions-generators 3, absorption come flash-pot 8 also respectively heat release in the heated medium and the solution of flowing through in it; The weak solution of absorption-generator 3 gets into first generator 1 through first solution pump 9 and first solution heat exchanger 14; Driving heat medium flow gets into solution in it through first generator 1, heating and discharges and to first condenser 6 refrigerant vapour is provided; The concentrated solution of first generator 1 absorption-generator 3, the heat absorbing part vaporization back of after first solution heat exchanger 14, flowing through gets into a minute steam chest 17; Divide steam chest 17 refrigerant vapour to be provided to second condenser 7; Divide the concentrated solution of steam chest 17 to get into second generator 2 through second solution heat exchanger 15; The waste heat MEDIA FLOW gets into solution in it through second generator 2, heating and discharges and to second absorber 5 refrigerant vapour is provided; The concentrated solution of second generator 2 through second solution pump 10 and the 3rd solution heat exchanger 16 get into first absorber 4, the refrigerant vapour and the heat release that absorb flash-pot 8 be in heated medium, the weak solution of first absorber 4 gets into second absorber 5, absorption refrigerant vapour and heat release in cooling medium through the 3rd solution heat exchanger 16; The refrigerant vapour heat release of first condenser 6 becomes cryogen liquid in heated medium; The cryogen liquid of first condenser 6 gets into evaporimeter 8 through choke valve 13 throttlings; The refrigerant vapour heat release of second condenser 7 becomes cryogen liquid in cooling medium; The cryogen liquid of second condenser 7 gets into evaporimeter 8 through 12 pressurizations of cryogen liquid pump; The waste heat MEDIA FLOW becomes refrigerant vapour also to provide to first absorber 4 and absorption-generator 3 respectively through the cryogen liquid that evaporimeter 8, heating get in it, forms the 3rd class absorption heat pump with backheat colling end.

The 3rd class absorption heat pump with backheat colling end shown in Figure 2 is achieved in that

In the 3rd class absorption heat pump with backheat colling end shown in Figure 1; Increase by second evaporimeter and second choke valve; The refrigerant vapour passage that cancellation evaporimeter 8 is communicated with absorption-generator 3; Evaporimeter 8 is set up the cryogen liquid pipeline and is communicated with second evaporimeter 18 through second choke valve 19, and second evaporimeter 18 refrigerant vapour passage in addition is communicated with absorption-generator 3, second evaporimeter 18 also have surplus heat medium pipeline and external communications; The cryogen liquid of evaporimeter 8 is divided into two-way---and first via absorption waste heat becomes refrigerant vapour and provides to first absorber 4; The second the tunnel gets into second evaporimeter 18, absorbs waste heat and become refrigerant vapour and provide to absorptions-generator 3 through second choke valve 19 throttlings, and formation has the 3rd class absorption heat pump of backheat colling end.

The 3rd class absorption heat pump with backheat colling end shown in Figure 3 is achieved in that

1. on the structure, it mainly is made up of first generator, second generator, absorption-generator, first absorber, second absorber, first condenser, second condenser, evaporimeter, second evaporimeter, first solution pump, second solution pump, the 3rd solution pump, cryogen liquid pump, choke valve, first solution heat exchanger, second solution heat exchanger, the 3rd solution heat exchanger and branch steam chest; Second absorber 5 has the weak solution pipeline to be communicated with branch steam chest 17 through the 3rd solution pump 11, second solution heat exchanger 15 and absorptions-generator 3; Divide steam chest 17 to also have the concentrated solution pipeline to be communicated with second generator 2 through second solution heat exchanger 15; Second generator 2 also has the concentrated solution pipeline to be communicated with first absorber 4 through second solution pump 10 and the 3rd solution heat exchanger 16; First absorber 4 also has the weak solution pipeline to be communicated with second absorber 5 through the 3rd solution heat exchanger 16; Absorption-generator 3 also has the weak solution pipeline to be communicated with first generator 1 through first solution pump 9 and first solution heat exchanger 14; First generator 1 also has the concentrated solution pipeline to be communicated with absorption-generator 3 through first solution heat exchanger 14; First generator 1 also has the refrigerant vapour passage to be communicated with first condenser 6, and first condenser 6 also has the cryogen liquid pipeline to be communicated with second evaporimeter 18 through choke valve 13, and second evaporimeter 18 also has the refrigerant vapour passage to be communicated with absorption-generator 3; Second generator 2 also has the refrigerant vapour passage to be communicated with second absorber 5; Divide steam chest 17 to also have the refrigerant vapour passage to be communicated with second condenser 7, second condenser 7 also has the cryogen liquid pipeline to be communicated with evaporimeter 8 through cryogen liquid pump 12, and evaporimeter 8 also has the refrigerant vapour passage to be communicated with first absorber 4; First generator 1 drives thermal medium pipeline and external communications in addition; Second generator 2, evaporimeter 8 and second evaporimeter 18 also have surplus heat respectively medium pipeline and external communications, first absorber 4 and first condenser 6 also have heated medium pipeline and external communications respectively, and second absorber 5 and second condenser 7 also have cooling medium pipeline and external communications respectively.

2. on the flow process; The weak solution of second absorber 5 absorption-generator 3, the heat absorbing part vaporization back of after the 3rd solution pump 11 and second solution heat exchanger 15, flowing through gets into a minute steam chest 17; Divide steam chest 17 refrigerant vapour to be provided to second condenser 7; Divide the concentrated solution of steam chest 17 to get into second generator 2 through second solution heat exchanger 15; The waste heat MEDIA FLOW gets into solution in it through second generator 2, heating and discharges and to second absorber 5 refrigerant vapour is provided; The concentrated solution of second generator 2 through second solution pump 10 and the 3rd solution heat exchanger 16 get into first absorber 4, the refrigerant vapour and the heat release that absorb flash-pot 8 be in heated medium, the weak solution of first absorber 4 gets into second absorber 5, absorption refrigerant vapour and heat release in cooling medium through the 3rd solution heat exchanger 16; The weak solution of absorption-generator 3 gets into first generator 1 through first solution pump 9 and first solution heat exchanger 14; Drive heat medium flow and get into solution in it through first generator 1, heating and discharge and to first condenser 6 refrigerant vapour is provided, the concentrated solution of first generator 1 gets into first generator 1, absorbs from the refrigerant vapour of second evaporimeter 18 and heat release in the solution of flowing through in it through first solution heat exchanger 14; The refrigerant vapour heat release of first condenser 6 becomes cryogen liquid in heated medium; The cryogen liquid of first condenser 6 gets into second evaporimeter 18, absorbs waste heat and become refrigerant vapour and provide to absorption-generator 3 through choke valve 13 throttling; The refrigerant vapour heat release of second condenser 7 becomes cryogen liquid in cooling medium; The cryogen liquid of second condenser 7 gets into evaporimeters 8, absorbs waste heat and become refrigerant vapour and provide to first absorber 4 through cryogen liquid pump 12 pressurization, forms the 3rd class absorption heat pump with backheat colling end.

Be achieved in that in the 3rd class absorption heat pump with backheat colling end shown in Figure 4

1. on the structure; In the 3rd class absorption heat pump with backheat colling end shown in Figure 1; Increase the 3rd generator, the 3rd absorber, the 4th solution heat exchanger and the 5th solution heat exchanger; To absorb-generator 3 has the weak solution pipeline to be communicated with first generator 1 through first solution pump 9 and first solution heat exchanger 14 to be adjusted into absorption-generator 3 weak solution pipeline warp first solution pump 9, the 4th solution heat exchanger 20 and first solution heat exchanger 14 and first generator 1 are arranged; Having the concentrated solution pipeline to be communicated with branch steam chest 17 through first solution heat exchanger 14 and absorptions-generator 3 in first generator 1 is adjusted into first generator 1 21 connections of concentrated solution pipeline warp first solution heat exchanger 14 the 3rd generator is arranged; The 3rd generator 21 has the concentrated solution pipeline to be communicated with accent through the 4th solution heat exchanger 20 and absorption-generator 3 with dividing steam chest 17 again; Having the weak solution pipeline to be communicated with absorption-generator 3 through the 3rd solution pump 11 and second solution heat exchanger 15 second absorber 5 is adjusted into second absorber 5 and has weak solution pipeline warp the 3rd solution pump 11 and the 5th solution heat exchanger 23 to be communicated with the 3rd absorber 22; The 3rd absorber 22 has the weak solution pipeline to be communicated with absorption-generator 3 through the 5th solution heat exchanger 23 and second solution heat exchanger 15 again; The 3rd generator 21 also has the refrigerant vapour passage to be communicated with the 3rd absorber 22; The 3rd generator 21 drives thermal medium pipeline and external communications in addition, and the 3rd absorber 22 also has heated medium pipeline and external communications.

2. on the flow process; The weak solution of second absorber 5 gets into the 3rd absorber 22, absorbs from the refrigerant vapour of the 3rd generator 21 and heat release in heated medium through the 3rd solution pump 11 and the 5th solution heat exchanger 23, and the weak solution of the 3rd absorber 22 is through the 5th solution heat exchanger 23 and second solution heat exchanger, 15 entering absorption-generators 3; The weak solution of absorption-generator 3 gets into first generator 1 through first solution pump 9, the 4th solution heat exchanger 20 and first solution heat exchanger 14; The concentrated solution of first generator 1 gets into the 3rd generator 21 through first solution heat exchanger 14; Driving heat medium flow gets into solution in it through the 3rd generator 21, heating and discharges and to the 3rd absorber 22 refrigerant vapour is provided; The concentrated solution of the 3rd generator 21 absorption-generator 3, the heat absorbing part vaporization back of after the 4th solution heat exchanger 20, flowing through gets into and divides a steam chest 17, and formation has the 3rd class absorption heat pump of backheat colling end.

The 3rd class absorption heat pump with backheat colling end shown in Figure 5 is achieved in that

1. on the structure; In the 3rd class absorption heat pump with backheat colling end shown in Figure 1; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; First solution pump 9 is set up the weak solution pipeline and is communicated with newly-increased generator A through newly-increased solution heat exchanger C; Newly-increased generator A also has the concentrated solution pipeline to be communicated with dividing steam chest 17 through newly-increased solution heat exchanger C and absorption-generator 3; Having the refrigerant vapour passage to be communicated with first condenser 6 to be adjusted into first generator 1 to have the refrigerant vapour passage to be communicated with the newly-increased generator A in back with newly-increased generator A in first generator 1 has the cryogen liquid pipeline to be communicated with first condenser 6 through newly-increased choke valve B again, increases generator A newly and also have the refrigerant vapour passage to be communicated with first condenser 6.

2. on the flow process; The refrigerant vapour that first generator 1 produces is as the driving thermal medium of newly-increased generator A; The part weak solution of absorption-generator 3 gets into newly-increased generator A through first solution pump 9 with newly-increased solution heat exchanger C; Refrigerant vapour is flowed through and is increased generator A newly, heating gets into its interior solution release and to first condenser 6 refrigerant vapour is provided; The concentrated solution of newly-increased generator A after newly-increased solution heat exchanger C, flow through absorptions-generator 3, heat absorbing part vaporize after entering branch steam chest 17; The refrigerant vapour heat release that increases generator A newly of flowing through becomes cryogen liquid, gets into first condenser 6 through newly-increased choke valve B throttling again, forms the 3rd class absorption heat pump with backheat colling end.

The 3rd class absorption heat pump with backheat colling end shown in Figure 6 is achieved in that

1. on the structure; In the 3rd class absorption heat pump with backheat colling end shown in Figure 1; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; To absorb-generator 3 has the weak solution pipeline to be communicated with first generator 1 through first solution pump 9 and first solution heat exchanger 14 to be adjusted into absorption-generator 3 and to have weak solution pipeline warp first solution pump 9, first solution heat exchanger 14 and newly-increased solution heat exchanger C to be communicated with first generator 1; Having the concentrated solution pipeline to be communicated with branch steam chest 17 through first solution heat exchanger 14 and absorptions-generator 3 in first generator 1 is adjusted into first generator 1 and has concentrated solution pipeline warp to increase solution heat exchanger C newly to be communicated with newly-increased generator A; Newly-increased generator A has the concentrated solution pipeline to be communicated with dividing steam chest 17 through first solution heat exchanger 14 and absorption-generator 3 again; Having the refrigerant vapour passage to be communicated with first condenser 6 to be adjusted into first generator 1 to have the refrigerant vapour passage to be communicated with the newly-increased generator A in back with newly-increased generator A in first generator 1 has the cryogen liquid pipeline to be communicated with first condenser 6 through newly-increased choke valve B again, increases generator A newly and also have the refrigerant vapour passage to be communicated with first condenser 6.

2. on the flow process; The refrigerant vapour that first generator 1 produces is as the driving thermal medium of newly-increased generator A; The weak solution of absorption-generator 3 gets into first generator 1 through first solution pump 9, first solution heat exchanger 14 and newly-increased solution heat exchanger C; The concentrated solution of first generator 1 gets into newly-increased generator A through newly-increased solution heat exchanger C; Refrigerant vapour is flowed through and is increased generator A newly, heating gets into its interior solution release and to first condenser 6 refrigerant vapour is provided; Through first solution heat exchanger 14 after, flow through absorptions-generator 3, heat absorbing part vaporization back of the concentrated solution of newly-increased generator A gets into and divides steam chest 17, and the refrigerant vapour heat release that increases generator A newly of flowing through becomes cryogen liquid, warp increases choke valve B throttling newly and gets into first condenser 6 again, and formation has the 3rd class absorption heat pump of backheat colling end.

The 3rd class absorption heat pump with backheat colling end shown in Figure 7 is achieved in that

1. on the structure; In the 3rd class absorption heat pump with backheat colling end shown in Figure 12; Increase newly-increased generator, newly-increased choke valve, newly-increased solution heat exchanger and newly-increased solution pump; To absorb-generator 3 has the weak solution pipeline to be communicated with first generator 1 through first solution pump 9 and first solution heat exchanger 14 to be adjusted into absorption-generator 3 and to have weak solution pipeline warp first solution pump 9 and first solution heat exchanger 14 to be communicated with newly-increased generator A; Newly-increased generator A has the concentrated solution pipeline to be communicated with first generator 1 through newly-increased solution pump D and newly-increased solution heat exchanger C again; With first generator 1 have the concentrated solution pipeline through first solution heat exchanger 14 and absorptions-generator 3 with divide steam chest 17 to be communicated with to be adjusted into first generator 1 to have concentrated solution pipeline warp to increase solution heat exchanger C, first solution heat exchanger 14 and absorption-generator 3 newly to be communicated with branch steam chest 17; Having the refrigerant vapour passage to be communicated with first condenser 6 to be adjusted into first generator 1 to have the refrigerant vapour passage to be communicated with the newly-increased generator A in back with newly-increased generator A in first generator 1 has the cryogen liquid pipeline to be communicated with first condenser 6 through newly-increased choke valve B again, increases generator A newly and also have the refrigerant vapour passage to be communicated with first condenser 6.

2. on the flow process; The refrigerant vapour that first generator 1 produces is as the driving thermal medium of newly-increased generator A; The weak solution of absorption-generator 3 gets into newly-increased generator A through first solution pump 9 and first solution heat exchanger 14; Refrigerant vapour is flowed through and is increased generator A newly, heating gets into its interior solution release and to first condenser 6 refrigerant vapour is provided; The concentrated solution of newly-increased generator A gets into first generator 1 through newly-increased solution pump D and newly-increased solution heat exchanger C; After the newly-increased solution heat exchanger C and first solution heat exchanger 14, flow through absorptions-generator 3, heat absorbing part vaporization back of the concentrated solution of first generator 1 gets into and divides steam chest 17, and the refrigerant vapour heat release of the newly-increased generator A that flows through becomes cryogen liquid, warp increases choke valve B throttling newly and gets into first condenser 6 again, and formation has the 3rd class absorption heat pump of backheat colling end.

The 3rd class absorption heat pump with backheat colling end shown in Figure 8 is achieved in that

1. on the structure; In the 3rd class absorption heat pump with backheat colling end shown in Figure 1; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger; First generator 1 had the refrigerant vapour passage to be communicated with first condenser 6 to be adjusted into first generator 1 has the refrigerant vapour passage to be communicated with newly-increased absorber E; Newly-increased absorber E also has the weak solution pipeline to be communicated with newly-increased generator A through newly-increased solution pump D and newly-increased solution heat exchanger C, and newly-increased generator A also has the concentrated solution pipeline to be communicated with newly-increased absorber E through newly-increased solution heat exchanger C, and newly-increased generator A also has the refrigerant vapour passage to be communicated with first condenser 6; Newly-increased generator A drives thermal medium pipeline and external communications in addition, and newly-increased absorber E also has heated medium pipeline and external communications.

2. on the flow process; The refrigerant vapour that first generator 1 produces gets into newly-increased absorber E; Increase generator A concentrated solution newly and get into newly-increased absorber E, absorption refrigerant vapour and heat release in heated medium through newly-increased solution heat exchanger C; The weak solution of newly-increased absorber E gets into newly-increased generator A through newly-increased solution pump D and newly-increased solution heat exchanger C; The newly-increased generator A of driving heat medium flow warp, heating get into its interior solution release and to first condenser 6 refrigerant vapour are provided, and form the 3rd class absorption heat pump with backheat colling end.

The 3rd class absorption heat pump with backheat colling end shown in Figure 9 is achieved in that

1. on the structure; In the 3rd class absorption heat pump with backheat colling end shown in Figure 1; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump, newly-increased solution heat exchanger, newly-increased condenser and newly-increased choke valve; First generator 1 is set up the refrigerant vapour passage and is communicated with newly-increased absorber E; Newly-increased absorber E also has the weak solution pipeline to be communicated with newly-increased generator A through newly-increased solution pump D and newly-increased solution heat exchanger C; Newly-increased generator A also has the concentrated solution pipeline to be communicated with newly-increased absorber E through newly-increased solution heat exchanger C, and newly-increased generator A also has the refrigerant vapour passage to be communicated with newly-increased condenser F, and newly-increased condenser F also has the cryogen liquid pipeline to be communicated with first condenser 6 through newly-increased choke valve B; Newly-increased generator A drives thermal medium pipeline and external communications in addition, and newly-increased absorber E and newly-increased condenser F also have heated medium pipeline and external communications respectively.

2. on the flow process; The refrigerant vapour that first generator 1 produces provides with newly-increased absorber E to first condenser 6 respectively; Increase generator A concentrated solution newly and get into newly-increased absorber E, absorption refrigerant vapour and heat release in heated medium through newly-increased solution heat exchanger C; The weak solution of newly-increased absorber E gets into newly-increased generator A through newly-increased solution pump D and newly-increased solution heat exchanger C; The newly-increased generator A of driving heat medium flow warp, heating get into its interior solution release and to newly-increased condenser F refrigerant vapour are provided; The refrigerant vapour heat release of newly-increased condenser F becomes cryogen liquid in heated medium, and the cryogen liquid of newly-increased condenser F gets into first condenser 6 through newly-increased choke valve B throttling, forms the 3rd class absorption heat pump with backheat colling end.

The 3rd class absorption heat pump with backheat colling end shown in Figure 10 is achieved in that

1. on the structure; In the 3rd class absorption heat pump with backheat colling end shown in Figure 2; The heated medium pipeline of cancellation absorption-generator 3 and external communications; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger; First generator 1 had the refrigerant vapour passage to be communicated with first condenser 6 to be adjusted into first generator 1 has the refrigerant vapour passage to be communicated with newly-increased absorber E; Newly-increased absorber E also has the weak solution pipeline to be communicated with newly-increased generator A through newly-increased solution pump D and newly-increased solution heat exchanger C, and newly-increased generator A also has the concentrated solution pipeline to be communicated with newly-increased absorber E through newly-increased solution heat exchanger C, and newly-increased generator A also has the refrigerant vapour passage to be communicated with first condenser 6; Newly-increased generator A drives thermal medium pipeline and external communications in addition, and newly-increased absorber E also has heated medium pipeline and external communications; Cancel the heated medium pipeline of first absorber 4 and external communications; Increase newly-increased cryogen liquid pump, evaporimeter 8 is set up cryogen liquid pipeline first absorber 4 after increasing cryogen liquid pump G newly and first absorber 4 is communicated with has the refrigerant vapour passage to be communicated with newly-increased absorber E again.

2. on the flow process; The refrigerant vapour that first generator 1 produces gets into newly-increased absorber E; Increase generator A concentrated solution newly and get into newly-increased absorber E, absorption refrigerant vapour and heat release in heated medium through newly-increased solution heat exchanger C; The newly-increased solution pump D of weak solution warp and the newly-increased solution heat exchanger C that increase absorber E newly get into newly-increased generator A, and the newly-increased generator A of driving heat medium flow warp, heating get into its interior solution release and to first condenser 6 refrigerant vapour be provided; The cryogen liquid of evaporimeter 8 is divided into three the tunnel---and the first via gets into second evaporimeter 18 through 19 throttlings of second choke valve; The second tunnel absorption waste heat becomes refrigerant vapour and provides to first absorber 4; Third Road after newly-increased cryogen liquid pump G pressurization, flow through first absorber 4, absorb heat into refrigerant vapour and provide to newly-increased absorber E, formation has the 3rd class absorption heat pump of backheat colling end.

The 3rd class absorption heat pump with backheat colling end shown in Figure 11 is achieved in that

1. on the structure; In the 3rd class absorption heat pump with backheat colling end shown in Figure 1; The heated medium pipeline of cancellation absorption-generator 3 and external communications; Increase newly-increased cryogen liquid pump, newly-increased absorber and newly-increased solution heat exchanger; Having the concentrated solution pipeline to be communicated with first absorber 4 through second solution pump 10 and the 3rd solution heat exchanger 16 in second generator 2 is adjusted into second generator 2 and has concentrated solution pipeline warp second solution pump 10, the 3rd solution heat exchanger 16 and newly-increased solution heat exchanger C to be communicated with newly-increased absorber E; Newly-increased absorber E has the weak solution pipeline to be communicated with first absorber 4 through newly-increased solution heat exchanger C again; Cancel the heated medium pipeline of first absorber 4 and external communications, evaporimeter 8 set up the cryogen liquid pipeline through newly-increased cryogen liquid pump G and after first absorber 4 is communicated with first absorber 4 have the refrigerant vapour passage to be communicated with again with newly-increased absorber E, increase absorber E newly and also have heated medium pipeline and external communications.

2. on the flow process; The concentrated solution of second generator 2 gets into newly-increased absorber E, absorbs from the refrigerant vapour of first absorber 4 and heat release in heated medium through second solution pump 10, the 3rd solution heat exchanger 16 and newly-increased solution heat exchanger C, the weak solution of newly-increased absorber E through newly-increased solution heat exchanger C get into first absorber 4, the refrigerant vapour and the heat release that absorb flash-pot 8 be in the cryogen liquid of flowing through in it; The cryogen liquid of evaporimeter 8 is divided into two-way---and the first via absorbs waste heat and becomes refrigerant vapour also to provide to the absorption-generator 3 and first absorber 4 respectively; The second the tunnel after newly-increased cryogen liquid pump G pressurization, flow through first absorber 4, absorb heat into refrigerant vapour and provide to newly-increased absorber E, formation has the 3rd class absorption heat pump of backheat colling end.

The 3rd class absorption heat pump with backheat colling end shown in Figure 12 is achieved in that

1. on the structure; In the 3rd class absorption heat pump with backheat colling end shown in Figure 1; The heated medium pipeline of cancellation absorption-generator 3 and external communications; Increase newly-increased cryogen liquid pump, newly-increased absorber, newly-increased solution heat exchanger and newly-increased solution pump; Having the weak solution pipeline to be communicated with second absorber 5 through the 3rd solution heat exchanger 16 first absorber 4 is adjusted into first absorber 4 and has weak solution pipeline warp to increase solution pump D newly and newly-increased solution heat exchanger D is communicated with newly-increased absorber E; Newly-increased absorber E has the weak solution pipeline to be communicated with second absorber 5 through newly-increased solution heat exchanger C and the 3rd solution heat exchanger 16 again; Cancel the heated medium pipeline of first absorber 4 and external communications, evaporimeter 8 set up the cryogen liquid pipeline through increase cryogen liquid pump G newly and after first absorber 4 is communicated with first absorber 4 have the refrigerant vapour passage to be communicated with again with newly-increased absorber E.

2. on the flow process; The concentrated solution of second generator 2 gets into refrigerant vapour and heat release that first absorber 4, absorption come flash-pot 8 in the cryogen liquid of flowing through in it through second solution pump 10 and the 3rd solution heat exchanger 16; The weak solution of first absorber 4 gets into newly-increased absorber E, absorbs from the refrigerant vapour of first absorber 4 and heat release in heated medium through newly-increased solution pump D and newly-increased solution heat exchanger C, and the weak solution of newly-increased absorber E gets into second absorber 5 through newly-increased solution heat exchanger C and the 3rd solution heat exchanger 16; The cryogen liquid of evaporimeter 8 is divided into two-way---and the first via absorbs waste heat and becomes refrigerant vapour also to provide to the absorption-generator 3 and first absorber 4 respectively; The second the tunnel after newly-increased cryogen liquid pump G pressurization, flow through first absorber 4, absorb heat into refrigerant vapour and provide to newly-increased absorber E, formation has the 3rd class absorption heat pump of backheat colling end

The effect that technology of the present invention can realize---the 3rd class absorption heat pump with backheat colling end proposed by the invention has following effect and advantage:

(1) flow process is simple, and is rational in infrastructure, can reduce the device fabrication cost, improves rate of return on investment.

(2) can more effectively utilize the temperature difference, realize the further lifting of waste heat supply temperature, the degree of depth utilization of realization low temperature exhaust heat maybe can utilize the waste heat of different grades.

(3) second generators and second absorber constitute the adjustable heat load joint of backheat flow process, realize the adjusting of heat supply temperature when making this class absorption heat pump keep certain performance index.

(4) second absorbers and second condenser are accomplished the temperature drop process that a part of waste heat is loaded jointly, help reducing heat transfer temperature difference, reduce irreversible factor, improve the thermodynamics sophistication.

(5) enrich absorption heat pump kind and flow process, expanded and enriched the range of application of absorption heat pump, had good creativeness, novelty and practicality.

Claims

1. the 3rd class absorption heat pump that has the backheat colling end mainly is made up of first generator, second generator, absorption-generator, first absorber, second absorber, first condenser, second condenser, evaporimeter, first solution pump, second solution pump, the 3rd solution pump, cryogen liquid pump, choke valve, first solution heat exchanger, second solution heat exchanger, the 3rd solution heat exchanger and branch steam chest; Second absorber (5) has the weak solution pipeline to be communicated with absorption-generator (3) through the 3rd solution pump (11) and second solution heat exchanger (15); Absorption-generator (3) also has the weak solution pipeline to be communicated with first generator (1) through first solution pump (9) and first solution heat exchanger (14); First generator (1) also has the concentrated solution pipeline to be communicated with dividing steam chest (17) through first solution heat exchanger (14) and absorption-generator (3); Divide steam chest (17) to also have the concentrated solution pipeline to be communicated with second generator (2) through second solution heat exchanger (15); Second generator (2) also has the concentrated solution pipeline to be communicated with first absorber (4) through second solution pump (10) and the 3rd solution heat exchanger (16); First absorber (4) also has the weak solution pipeline to be communicated with second absorber (5) through the 3rd solution heat exchanger (16); First generator (1) also has the refrigerant vapour passage to be communicated with first condenser (6); Second generator (2) also has the refrigerant vapour passage to be communicated with second absorber (5), divides steam chest (17) to also have the refrigerant vapour passage to be communicated with second condenser (7), and first condenser (6) also has the cryogen liquid pipeline to be communicated with evaporimeter (8) through choke valve (13); Second condenser (7) also has the cryogen liquid pipeline to be communicated with evaporimeter (8) through cryogen liquid pump (12); Evaporimeter (8) also has the refrigerant vapour passage to be communicated with absorption-generator (3) and first absorber (4) respectively, and first generator (1) drives thermal medium pipeline and external communications in addition, second generator (2) and evaporimeter (8) also have surplus heat respectively medium pipeline and external communications; Absorption-generator (3) or also have heated medium pipeline and external communications; First absorber (4) and first condenser (6) also have heated medium pipeline and external communications respectively, and second absorber (5) and second condenser (7) also have cooling medium pipeline and external communications respectively, form the 3rd class absorption heat pump with backheat colling end.

2. the 3rd class absorption heat pump that has the backheat colling end; Be in described the 3rd class absorption heat pump with backheat colling end of claim 1; Increase by second evaporimeter and second choke valve; The refrigerant vapour passage that cancellation evaporimeter (8) is communicated with absorption-generator (3), evaporimeter (8) are set up the cryogen liquid pipeline and are communicated with second evaporimeter (18) through second choke valve (19), and second evaporimeter (18) also has the refrigerant vapour passage to be communicated with absorption-generator (3); Second evaporimeter (18) also have surplus heat medium pipeline and external communications form the 3rd class absorption heat pump with backheat colling end.

3. the 3rd class absorption heat pump that has the backheat colling end mainly is made up of first generator, second generator, absorption-generator, first absorber, second absorber, first condenser, second condenser, evaporimeter, second evaporimeter, first solution pump, second solution pump, the 3rd solution pump, cryogen liquid pump, choke valve, first solution heat exchanger, second solution heat exchanger, the 3rd solution heat exchanger and branch steam chest; Second absorber (5) has the weak solution pipeline to be communicated with dividing steam chest (17) through the 3rd solution pump (11), second solution heat exchanger (15) and absorption-generator (3); Divide steam chest (17) to also have the concentrated solution pipeline to be communicated with second generator (2) through second solution heat exchanger (15); Second generator (2) also has the concentrated solution pipeline to be communicated with first absorber (4) through second solution pump (10) and the 3rd solution heat exchanger (16); First absorber (4) also has the weak solution pipeline to be communicated with second absorber (5) through the 3rd solution heat exchanger (16); Absorption-generator (3) also has the weak solution pipeline to be communicated with first generator (1) through first solution pump (9) and first solution heat exchanger (14); First generator (1) also has the concentrated solution pipeline to be communicated with absorption-generator (3) through first solution heat exchanger (14); First generator (1) also has the refrigerant vapour passage to be communicated with first condenser (6); First condenser (6) also has the cryogen liquid pipeline to be communicated with second evaporimeter (18) through choke valve (13); Second evaporimeter (18) also has the refrigerant vapour passage to be communicated with absorption-generator (3), and second generator (2) also has the refrigerant vapour passage to be communicated with second absorber (5), divides steam chest (17) to also have the refrigerant vapour passage to be communicated with second condenser (7); Second condenser (7) also has the cryogen liquid pipeline to be communicated with evaporimeter (8) through cryogen liquid pump (12); Evaporimeter (8) also has the refrigerant vapour passage to be communicated with first absorber (4), and first generator (1) drives thermal medium pipeline and external communications in addition, second generator (2), evaporimeter (8) and second evaporimeter (18) also have surplus heat respectively medium pipeline and external communications; Absorption-generator (3) or also have heated medium pipeline and external communications; First absorber (4) and first condenser (6) also have heated medium pipeline and external communications respectively, and second absorber (5) and second condenser (7) also have cooling medium pipeline and external communications respectively, form the 3rd class absorption heat pump with backheat colling end.

4. the 3rd class absorption heat pump that has the backheat colling end; Be in described the 3rd class absorption heat pump with backheat colling end of claim 3; Cancel second evaporimeter; Having the cryogen liquid pipeline to be communicated with second evaporimeter (18) through choke valve (13) first condenser (6) is adjusted into first condenser (6) and has the cryogen liquid pipeline to be communicated with evaporimeter (8) through choke valve (13); There is the refrigerant vapour passage to be communicated with to be adjusted into evaporimeter (8) to set up the refrigerant vapour passage in second evaporimeter (18) and is communicated with, form the 3rd class absorption heat pump with backheat colling end with absorption-generator (3) with absorption-generator (3).

5. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 1-2; Increase the 3rd generator, the 3rd absorber, the 4th solution heat exchanger and the 5th solution heat exchanger; To absorb-generator (3) has the weak solution pipeline to be communicated with first generator (1) through first solution pump (9) and first solution heat exchanger (14) to be adjusted into absorption-generator (3) weak solution pipeline warp first solution pump (9), the 4th solution heat exchanger (20) and first solution heat exchanger (14) and first generator (1) are arranged; Having the concentrated solution pipeline to be communicated with branch steam chest (17) through first solution heat exchanger (14) and absorptions-generator (3) in first generator (1) is adjusted into first generator (1) concentrated solution pipeline warp first solution heat exchanger (14) the 3rd generator (21) connection is arranged; The 3rd generator (21) has the concentrated solution pipeline to be communicated with accent through the 4th solution heat exchanger (20) and absorption-generator (3) with dividing steam chest (17) again; Having the weak solution pipeline to be communicated with absorption-generator (3) through the 3rd solution pump (11) and second solution heat exchanger (15) second absorber (5) is adjusted into second absorber (5) and has weak solution pipeline warp the 3rd solution pump (11) and the 5th solution heat exchanger (23) to be communicated with the 3rd absorber (22); The 3rd absorber (22) has the weak solution pipeline to be communicated with absorption-generator (3) through the 5th solution heat exchanger (23) and second solution heat exchanger (15) again; The 3rd generator (21) also has the refrigerant vapour passage to be communicated with the 3rd absorber (22); The 3rd generator (21) drives thermal medium pipeline and external communications in addition; The 3rd absorber (22) also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

6. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 1-2; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; First solution pump (9) is set up the weak solution pipeline and is communicated with newly-increased generator (A) through newly-increased solution heat exchanger (C); Newly-increased generator (A) also has the concentrated solution pipeline to be communicated with dividing steam chest (17) through newly-increased solution heat exchanger (C) and absorption-generator (3); Having the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) to have the refrigerant vapour passage to be communicated with the newly-increased generator (A) in back with newly-increased generator (A) in first generator (1) has the cryogen liquid pipeline to be communicated with first condenser (6) through newly-increased choke valve (B) again; Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), forms the 3rd class absorption heat pump with backheat colling end.

7. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 1-2; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; To absorb-generator (3) has the weak solution pipeline to be communicated with first generator (1) through first solution pump (9) and first solution heat exchanger (14) to be adjusted into absorption-generator (3) and to have weak solution pipeline warp first solution pump (9), first solution heat exchanger (14) and newly-increased solution heat exchanger (C) to be communicated with first generator (1); Having the concentrated solution pipeline to be communicated with branch steam chest (17) through first solution heat exchanger (14) and absorptions-generator (3) in first generator (1) is adjusted into first generator (1) and has concentrated solution pipeline warp to increase solution heat exchanger (C) newly to be communicated with newly-increased generator (A); Newly-increased generator (A) has the concentrated solution pipeline to be communicated with dividing steam chest (17) through first solution heat exchanger (14) and absorption-generator (3) again; Having the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) to have the refrigerant vapour passage to be communicated with the newly-increased generator (A) in back with newly-increased generator (A) in first generator (1) has the cryogen liquid pipeline to be communicated with first condenser (6) through newly-increased choke valve (B) again; Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), forms the 3rd class absorption heat pump with backheat colling end.

8. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 1-2; Increase newly-increased generator, newly-increased choke valve, newly-increased solution heat exchanger and newly-increased solution pump; To absorb-generator (3) has the weak solution pipeline to be communicated with first generator (1) through first solution pump (9) and first solution heat exchanger (14) to be adjusted into absorption-generator (3) and to have weak solution pipeline warp first solution pump (9) and first solution heat exchanger (14) to be communicated with newly-increased generator (A); Newly-increased generator (A) has the concentrated solution pipeline to be communicated with first generator (1) through newly-increased solution pump (D) and newly-increased solution heat exchanger (C) again; With first generator (1) have the concentrated solution pipeline through first solution heat exchanger (14) and absorptions-generator (3) with divide steam chest (17) to be communicated with to be adjusted into first generator (1) to have concentrated solution pipeline warp to increase solution heat exchanger (C), first solution heat exchanger (14) and absorption-generator (3) newly to be communicated with branch steam chest (17); Having the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) to have the refrigerant vapour passage to be communicated with the newly-increased generator (A) in back with newly-increased generator (A) in first generator (1) has the cryogen liquid pipeline to be communicated with first condenser (6) through newly-increased choke valve (B) again; Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), forms the 3rd class absorption heat pump with backheat colling end.

9. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 3-4; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; First solution pump (9) is set up the weak solution pipeline and is communicated with newly-increased generator (A) through newly-increased solution heat exchanger (C); Newly-increased generator (A) also has the concentrated solution pipeline to be communicated with absorption-generator (3) through newly-increased solution heat exchanger (C); Having the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) to have the refrigerant vapour passage to be communicated with the newly-increased generator (A) in back with newly-increased generator (A) in first generator (1) has the cryogen liquid pipeline to be communicated with first condenser (6) through newly-increased choke valve (B) again; Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), forms the 3rd class absorption heat pump with backheat colling end.

10. the 3rd class absorption heat pump that has the backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 3-4; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; To absorb-generator (3) has the weak solution pipeline to be communicated with first generator (1) through first solution pump (9) and first solution heat exchanger (14) to be adjusted into absorption-generator (3) and to have weak solution pipeline warp first solution pump (9), first solution heat exchanger (14) and newly-increased solution heat exchanger (C) to be communicated with first generator (1); Having the concentrated solution pipeline to be communicated with absorptions-generator (3) through first solution heat exchanger (14) in first generator (1) is adjusted into first generator (1) and has concentrated solution pipeline warp to increase solution heat exchanger (C) newly to be communicated with newly-increased generator (A); Newly-increased generator (A) has the concentrated solution pipeline to be communicated with absorption-generator (3) through first solution heat exchanger (14) again; Having the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) to have the refrigerant vapour passage to be communicated with the newly-increased generator (A) in back with newly-increased generator (A) in first generator (1) has the cryogen liquid pipeline to be communicated with first condenser (6) through newly-increased choke valve (B) again; Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), forms the 3rd class absorption heat pump with backheat colling end.

11. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 3-4; Increase newly-increased generator, newly-increased choke valve, newly-increased solution heat exchanger and newly-increased solution pump; To absorb-generator (3) has the weak solution pipeline to be communicated with first generator (1) through first solution pump (9) and first solution heat exchanger (14) to be adjusted into absorption-generator (3) and to have weak solution pipeline warp first solution pump (9) and first solution heat exchanger (14) to be communicated with newly-increased generator (A); Newly-increased generator (A) has the concentrated solution pipeline to be communicated with first generator (1) through newly-increased solution pump (D) and newly-increased solution heat exchanger (C) again; Having the concentrated solution pipeline to be communicated with absorptions-generator (3) through first solution heat exchanger (14) in first generator (1) is adjusted into first generator (1) and has concentrated solution pipeline warp to increase solution heat exchanger (C) newly and first solution heat exchanger (14) is communicated with absorption-generator (3); Having the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) to have the refrigerant vapour passage to be communicated with the newly-increased generator (A) in back with newly-increased generator (A) in first generator (1) has the cryogen liquid pipeline to be communicated with first condenser (6) through newly-increased choke valve (B) again; Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), forms the 3rd class absorption heat pump with backheat colling end.

12. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 5; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; With first solution pump (9) have the weak solution pipeline through the 4th solution heat exchanger (20) and first solution heat exchanger (14) is communicated with first generator (1) be adjusted into first solution pump (9) have the weak solution pipeline through the 4th solution heat exchanger (20) afterwards respectively again warp first solution heat exchanger (14) and first generator (1) connected sum again warp increase solution heat exchanger (C) newly and be communicated with newly-increased generator (A); Newly-increased generator (A) also has the concentrated solution pipeline to be communicated with the 3rd generator (21) through newly-increased solution heat exchanger (C); Having the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) to have the refrigerant vapour passage to be communicated with the newly-increased generator (A) in back with newly-increased generator (A) in first generator (1) has the cryogen liquid pipeline to be communicated with first condenser (6) through newly-increased choke valve (B) again; Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), forms the 3rd class absorption heat pump with backheat colling end.

13. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 5-6; Increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger; To absorb-generator (3) has the weak solution pipeline to be communicated with first generator (1) through first solution pump (9), the 4th solution heat exchanger (20) and first solution heat exchanger (14) to be adjusted into absorption-generator (3) and to have weak solution pipeline warp first solution pump (9), the 4th solution heat exchanger (20), first solution heat exchanger (14) and newly-increased solution heat exchanger (C) to be communicated with first generator (1); Having the concentrated solution pipeline to be communicated with the 3rd generator (21) through first solution heat exchanger (14) in first generator (1) is adjusted into first generator (1) and has concentrated solution pipeline warp to increase solution heat exchanger (C) newly to be communicated with newly-increased generator (A); Newly-increased generator (A) has the concentrated solution pipeline to be communicated with the 3rd generator (21) through first solution heat exchanger (14) again; Having the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) to have the refrigerant vapour passage to be communicated with the newly-increased generator (A) in back with newly-increased generator (A) in first generator (1) has the cryogen liquid pipeline to be communicated with first condenser (6) through newly-increased choke valve (B) again; Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), forms the 3rd class absorption heat pump with backheat colling end.

14. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 5-6; Increase newly-increased generator, newly-increased choke valve, newly-increased solution heat exchanger and newly-increased solution pump; To absorb-generator (3) has the weak solution pipeline to be communicated with first generator (1) through first solution pump (9), the 4th solution heat exchanger (20) and first solution heat exchanger (14) to be adjusted into absorption-generator (3) and to have weak solution pipeline warp first solution pump (9), the 4th solution heat exchanger (20) and first solution heat exchanger (14) to be communicated with newly-increased generator (A); Newly-increased generator (A) has the concentrated solution pipeline to be communicated with first generator (1) through newly-increased solution pump (D) and newly-increased solution heat exchanger (C) again; Having the concentrated solution pipeline to be communicated with the 3rd generator (21) through first solution heat exchanger (14) in first generator (1) is adjusted into first generator (1) and has concentrated solution pipeline warp to increase solution heat exchanger (C) newly and first solution heat exchanger (14) is communicated with the 3rd generator (21); Having the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) to have the refrigerant vapour passage to be communicated with the newly-increased generator (A) in back with newly-increased generator (A) in first generator (1) has the cryogen liquid pipeline to be communicated with first condenser (6) through newly-increased choke valve (B) again; Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), forms the 3rd class absorption heat pump with backheat colling end.

15. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 12-14; Cancel the driving thermal medium pipeline of the 3rd generator (21) and external communications; Increase newly-increased second choke valve; First generator (1) is set up the refrigerant vapour passage and is communicated with back the 3rd generator (21) with the 3rd generator (21) and has the cryogen liquid pipeline to be communicated with first condenser (6) through newly-increased second choke valve again, and formation has the 3rd class absorption heat pump of backheat colling end.

16. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 1-5; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger; First generator (1) had the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) has the refrigerant vapour passage to be communicated with newly-increased absorber (E); Newly-increased absorber (E) also has the weak solution pipeline to be communicated with newly-increased generator (A) through newly-increased solution pump (D) and newly-increased solution heat exchanger (C); Newly-increased generator (A) also has the concentrated solution pipeline to be communicated with newly-increased absorber (E) through newly-increased solution heat exchanger (C), and newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), and newly-increased generator (A) drives thermal medium pipeline and external communications in addition; Newly-increased absorber (E) also has heated medium pipeline and external communications, has the 3rd class absorption heat pump of backheat colling end.

17. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 1-5; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump, newly-increased solution heat exchanger, newly-increased condenser and newly-increased choke valve; First generator (1) is set up the refrigerant vapour passage and is communicated with newly-increased absorber (E); Newly-increased absorber (E) also has the weak solution pipeline to be communicated with newly-increased generator (A) through newly-increased solution pump (D) and newly-increased solution heat exchanger (C); Newly-increased generator (A) also has the concentrated solution pipeline to be communicated with newly-increased absorber (E) through newly-increased solution heat exchanger (C); Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with newly-increased condenser (F), and newly-increased condenser (F) also has the cryogen liquid pipeline to be communicated with first condenser (6) or evaporimeter (8) through newly-increased choke valve (B), and newly-increased generator (A) drives thermal medium pipeline and external communications in addition; Newly-increased absorber (E) and newly-increased condenser (F) also have heated medium pipeline and external communications respectively, form the 3rd class absorption heat pump with backheat colling end.

18. have the 3rd class absorption heat pump of backheat colling end; Be in claim 1-2,4 described arbitrary the 3rd class absorption heat pumps with backheat colling end; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger; First generator (1) had the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) has the refrigerant vapour passage to be communicated with newly-increased absorber (E); Newly-increased absorber (E) also has the weak solution pipeline to be communicated with newly-increased generator (A) through newly-increased solution pump (D) and newly-increased solution heat exchanger (C); Newly-increased generator (A) also has the concentrated solution pipeline to be communicated with newly-increased absorber (E) through newly-increased solution heat exchanger (C); Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), and newly-increased generator (A) drives thermal medium pipeline and external communications in addition, and newly-increased absorber (E) also has heated medium pipeline and external communications; Cancel the heated medium pipeline of first absorber (4) and external communications; Increase newly-increased cryogen liquid pump or newly-increased choke valve; Evaporimeter (8) set up the cryogen liquid pipeline through newly-increased cryogen liquid pump (G) have the refrigerant vapour passage to be communicated with again with first absorber (4) after first absorber (4) is communicated with newly-increased absorber (E) or first condenser (6) set up the cryogen liquid pipeline through increase choke valve (B) newly and after first absorber (4) is communicated with first absorber (4) have the refrigerant vapour passage to be communicated with again with newly-increased absorber (E), formation has the 3rd class absorption heat pump of backheat colling end.

19. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 5; Increase newly-increased generator, newly-increased absorber, newly-increased solution pump and newly-increased solution heat exchanger; First generator (1) had the refrigerant vapour passage to be communicated with first condenser (6) to be adjusted into first generator (1) has the refrigerant vapour passage to be communicated with newly-increased absorber (E); Newly-increased absorber (E) also has the weak solution pipeline to be communicated with newly-increased generator (A) through newly-increased solution pump (D) and newly-increased solution heat exchanger (C); Newly-increased generator (A) also has the concentrated solution pipeline to be communicated with newly-increased absorber (E) through newly-increased solution heat exchanger (C); Newly-increased generator (A) also has the refrigerant vapour passage to be communicated with first condenser (6), and newly-increased generator (A) drives thermal medium pipeline and external communications in addition, and newly-increased absorber (E) also has heated medium pipeline and external communications; Cancel first absorber (4) and the 3rd absorber (22) respectively with the heated medium pipeline of external communications; Evaporimeter (8) set up the cryogen liquid pipeline through newly-increased cryogen liquid pump (G) be communicated with successively first absorber (4) and the 3rd absorber (22) afterwards the 3rd absorber (22) have the refrigerant vapour passage to be communicated with again with newly-increased absorber (E) or first condenser (6) set up cryogen liquid pipeline warp increase newly choke valve (B) be communicated with successively first absorber (4) and the 3rd absorber (22) afterwards the 3rd absorber (22) have the refrigerant vapour passage to be communicated with again with newly-increased absorber (E), formation has the 3rd class absorption heat pump of backheat colling end.

20. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 1-2; Increase newly-increased cryogen liquid pump or newly-increased choke valve, newly-increased absorber and newly-increased solution heat exchanger; Having the concentrated solution pipeline to be communicated with first absorber (4) through second solution pump (10) and the 3rd solution heat exchanger (16) in second generator (2) is adjusted into second generator (2) and has concentrated solution pipeline warp second solution pump (10), the 3rd solution heat exchanger (16) and newly-increased solution heat exchanger (C) to be communicated with newly-increased absorber (E); Newly-increased absorber (E) has the weak solution pipeline to be communicated with first absorber (4) through newly-increased solution heat exchanger (C) again; Cancel the heated medium pipeline of first absorber (4) and external communications; Evaporimeter (8) set up the cryogen liquid pipeline through newly-increased cryogen liquid pump (G) have the refrigerant vapour passage to be communicated with again with first absorber (4) after first absorber (4) is communicated with newly-increased absorber (E) or first condenser (6) set up the cryogen liquid pipeline through increase choke valve (B) newly and after first absorber (4) is communicated with first absorber (4) have the refrigerant vapour passage to be communicated with again with newly-increased absorber (E); Newly-increased absorber (E) also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

21. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 1-2; Increase newly-increased cryogen liquid pump or newly-increased choke valve, newly-increased absorber, newly-increased solution heat exchanger and newly-increased solution pump; Having the weak solution pipeline to be communicated with second absorber (5) through the 3rd solution heat exchanger (16) first absorber (4) is adjusted into first absorber (4) and has weak solution pipeline warp to increase solution pump (D) newly and newly-increased solution heat exchanger (D) is communicated with newly-increased absorber (E); Newly-increased absorber (E) has the weak solution pipeline to be communicated with second absorber (5) through newly-increased solution heat exchanger (C) and the 3rd solution heat exchanger (16) again; Cancel the heated medium pipeline of first absorber (4) and external communications; Evaporimeter (8) set up the cryogen liquid pipeline through newly-increased cryogen liquid pump (G) have the refrigerant vapour passage to be communicated with again with first absorber (4) after first absorber (4) is communicated with newly-increased absorber (E) or first condenser (6) set up the cryogen liquid pipeline through increase choke valve (B) newly and after first absorber (4) is communicated with first absorber (4) have the refrigerant vapour passage to be communicated with again with newly-increased absorber (E); Newly-increased absorber (E) also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

22. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 3-4; Increase newly-increased cryogen liquid pump, newly-increased absorber and newly-increased solution heat exchanger; Having the concentrated solution pipeline to be communicated with first absorber (4) through second solution pump (10) and the 3rd solution heat exchanger (16) in second generator (2) is adjusted into second generator (2) and has concentrated solution pipeline warp second solution pump (10), the 3rd solution heat exchanger (16) and newly-increased solution heat exchanger (C) to be communicated with newly-increased absorber (E); Newly-increased absorber (E) has the weak solution pipeline to be communicated with first absorber (4) through newly-increased solution heat exchanger (C) again; Cancel the heated medium pipeline of first absorber (4) and external communications; Evaporimeter (8) is set up cryogen liquid pipeline first absorber (4) after increasing cryogen liquid pump (G) newly and first absorber (4) is communicated with has the refrigerant vapour passage to be communicated with newly-increased absorber (E) again; Newly-increased absorber (E) also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

23. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 3-4; Increase newly-increased cryogen liquid pump, newly-increased absorber, newly-increased solution heat exchanger and newly-increased solution pump; Having the weak solution pipeline to be communicated with second absorber (5) through the 3rd solution heat exchanger (16) first absorber (4) is adjusted into first absorber (4) and has weak solution pipeline warp to increase solution pump (D) newly and newly-increased solution heat exchanger (D) is communicated with newly-increased absorber (E); Newly-increased absorber (E) has the weak solution pipeline to be communicated with second absorber (5) through newly-increased solution heat exchanger (C) and the 3rd solution heat exchanger (16) again; Cancel the heated medium pipeline of first absorber (4) and external communications; Evaporimeter (8) is set up cryogen liquid pipeline first absorber (4) after increasing cryogen liquid pump (G) newly and first absorber (4) is communicated with has the refrigerant vapour passage to be communicated with newly-increased absorber (E) again, forms the 3rd class absorption heat pump with backheat colling end.

24. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 6-14; Increase newly-increased condenser and newly-increased second choke valve; First generator (1) is set up the refrigerant vapour passage and is communicated with newly-increased condenser (F); Newly-increased condenser (F) also has the cryogen liquid pipeline to be communicated with first condenser (6) or evaporimeter (8) through newly-increased second choke valve, and newly-increased condenser (F) also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

25. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 15; Increase newly-increased condenser and newly-increased the 3rd choke valve; First generator (1) is set up the refrigerant vapour passage and is communicated with newly-increased condenser (F); Newly-increased condenser (F) also has the cryogen liquid pipeline to be communicated with first condenser (6) or evaporimeter (8) through newly-increased the 3rd choke valve, and newly-increased condenser (F) also has heated medium pipeline and external communications, forms the 3rd class absorption heat pump with backheat colling end.

26. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 6-15; Increase increase again generator, again increase absorber, resolubilization liquid pump, resolubilization liquid heat exchanger, increase condenser and increase choke valve more again; Newly-increased generator (A) is set up the refrigerant vapour passage and is increased absorber again and be communicated with; Increase again absorber also have the weak solution pipeline through resolubilization liquid pump and resolubilization liquid heat exchanger with increase generator again and be communicated with, increase again generator also have the concentrated solution pipeline through the resolubilization liquid heat exchanger with increase absorber again and be communicated with, increase generator again and also have the refrigerant vapour passage and increase condenser again and be communicated with; Increasing condenser again also has the cryogen liquid pipeline to be communicated with first condenser (6) or evaporimeter (8) through increasing choke valve again; Increase generator again and drive thermal medium pipeline and external communications in addition, increasing absorber again and increasing condenser more also has heated medium pipeline and external communications respectively, forms the 3rd class absorption heat pump with backheat colling end.

27. have the 3rd class absorption heat pump of backheat colling end; Be in described arbitrary the 3rd class absorption heat pump with backheat colling end of claim 26; Cancellation increases the driving thermal medium pipeline of generator and external communications again; Increase and to increase second choke valve again, increasing generator after first generator (1) is set up the refrigerant vapour passage and increased generator again and is communicated with again has cryogen liquid pipeline warp to increase second choke valve again and increase condenser again and be communicated with again, and formation has the 3rd class absorption heat pump of backheat colling end.