CN103486757B

CN103486757B - Branch-cycle first-class absorption type heat pump

Info

Publication number: CN103486757B
Application number: CN201310437145.3A
Authority: CN
Inventors: 李华玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-04-03
Filing date: 2013-09-15
Publication date: 2016-02-03
Anticipated expiration: 2033-09-15
Also published as: CN103471281B; WO2014161369A1; CN103486757A; WO2014161368A1; CN103471282A; CN103471281A; CN103471282B

Abstract

The invention provides Branch-cycle first-class absorption type heat pump, belong to refrigeration and technical field of heat pumps.Generator, absorber, solution pump, solution heat exchanger, choke valve and evaporimeter form single-action solution circulation, and after generator has refrigerant steam channel to be communicated with the second generator, the second generator has cryogen liquid pipeline to be communicated with evaporimeter through the 3rd generator, heat exchanger with choke valve again; Second generator, the 3rd generator, the second absorber, the 3rd absorber, the second solution pump, the 3rd solution pump, the second solution heat exchanger, the 3rd solution heat exchanger, condenser, second throttle and the second evaporimeter form backheat solution circulation; Generator is communicated with driving thermal medium, absorber, the second absorber, the 3rd absorber, condenser and heat exchanger heat supply, and evaporimeter is communicated with waste heat medium with the second evaporimeter, forms Branch-cycle first-class absorption type heat pump.

Description

Branch-cycle first-class absorption type heat pump

Technical field:

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

Background technology:

Angle is utilized from the temperature difference, first-class absorption type heat pump is to drive the temperature difference between thermal medium and heated medium as driving force, should adopt twice when driving the temperature difference larger or the repeatedly temperature difference degree that utilizes flow process to utilize to improve the temperature difference, thus realizing the high efficiency of heat energy utilization; And from the angle of working media, the working media of absorption heat pump is solution, by the restriction of physical property, each solution has its working range be applicable to; Like this, when the working range driving the temperature of thermal medium and temperature drop beyond single solution, different solution should be adopted to carry out Branch-cycle have been come driving making full use of of the temperature difference, namely drive the temperature difference to be used in different solution circulation loop respectively, realize the rationalization driving the temperature difference to utilize.

While consideration makes full use of the temperature difference, the circulation process of first-class absorption type heat pump also will realize more requirement, and these require to include: thermodynamic parameter smooth change, and heating parameter is adjustable, can change by adaptation condition preferably, there is best performance index; The deep exploitation to high temperature heat source can be realized, or utilize the thermal source of different grade to realize its comprehensive utilization etc.

For the refrigerant medium that sensible heat is relatively high, the cryogen liquid that high temperature refrigerant vapour is formed has relatively many heat energy and higher temperature, ought to be used; By backheat flow process, the sensible heat of cryogen liquid is discharged in heated medium, the effect of high temperature driven heat can be played further and improve low temperature heat rate, improving the performance index of Branch-cycle first-class absorption type heat pump.

Summary of the invention:

Main purpose of the present invention to provide serial Branch-cycle first-class absorption type heat pump, adopts two-way solution circulation, progressively realize the further utilization making full use of and absorb high temperature driven heat of the temperature difference, and concrete summary of the invention subitem is described below:

1. Branch-cycle first-class absorption type heat pump, formed primarily of generator, the second generator, the 3rd generator, absorber, the second absorber, the 3rd absorber, condenser, evaporimeter, the second evaporimeter, solution pump, the second solution pump, the 3rd solution pump, choke valve, second throttle, solution heat exchanger, the second solution heat exchanger and the 3rd solution heat exchanger, absorber has weak solution pipeline to be communicated with generator with solution heat exchanger through solution pump, generator also has concentrated solution pipeline to be communicated with absorber through solution heat exchanger, after generator also has refrigerant steam channel to be communicated with the second generator, the second generator has cryogen liquid pipeline to be communicated with evaporimeter with choke valve through the 3rd generator again, and evaporimeter also has refrigerant steam channel to be communicated with absorber, 3rd absorber has weak solution pipeline to be communicated with the second absorber with the 3rd solution heat exchanger through the 3rd solution pump, second absorber also has weak solution pipeline to be communicated with the second generator with the second solution heat exchanger through the second solution pump, second generator also has concentrated solution pipeline to be communicated with the 3rd generator through the second solution heat exchanger, 3rd generator also has concentrated solution pipeline to be communicated with the 3rd absorber through the 3rd solution heat exchanger, second generator also has refrigerant steam channel to be communicated with condenser, 3rd generator also has refrigerant steam channel to be communicated with the second absorber, condenser also has cryogen liquid pipeline to be communicated with the second evaporimeter through second throttle, second evaporimeter also has refrigerant steam channel to be communicated with the 3rd absorber, generator also has driving heat medium pipeline and ft connection, absorber, the second absorber, the 3rd absorber and condenser also have heated medium pipeline and ft connection respectively, evaporimeter and the second evaporimeter also have surplus heat medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

2. Branch-cycle first-class absorption type heat pump, in the Branch-cycle first-class absorption type heat pump described in the 1st, increase heat exchanger, had by 3rd generator cryogen liquid pipeline to be communicated with evaporimeter through choke valve to be adjusted to the 3rd generator and to have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through heat exchanger, heat exchanger also has heated medium pipeline and ft connection, forms Branch-cycle first-class absorption type heat pump.

3. Branch-cycle first-class absorption type heat pump, in the Branch-cycle first-class absorption type heat pump described in the 1st, increase by the 4th generator, 4th solution pump, 3rd choke valve and the 4th solution heat exchanger, absorber is set up weak solution pipeline and is communicated with the 4th generator with the 4th solution heat exchanger through the 4th solution pump, 4th generator also has concentrated solution pipeline to be communicated with absorber through the 4th solution heat exchanger, after being had by generator refrigerant steam channel to be communicated with the second generator the second generator have again cryogen liquid pipeline through the 3rd generator and choke valve to be communicated with evaporimeter be adjusted to generator have refrigerant steam channel to be communicated with the 4th generator after the 4th generator have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through the 3rd generator again, after 4th generator also has refrigerant steam channel to be communicated with the second generator, the second generator has cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve again, form Branch-cycle first-class absorption type heat pump.

4. Branch-cycle first-class absorption type heat pump, in the Branch-cycle first-class absorption type heat pump described in the 1st, increase by the 4th generator, 3rd choke valve and the 4th solution heat exchanger, had by absorber weak solution pipeline to be communicated with generator through solution pump and solution heat exchanger to be adjusted to absorber and to have weak solution pipeline through solution pump, 4th solution heat exchanger is communicated with generator with solution heat exchanger, had by generator concentrated solution pipeline to be communicated with absorber through solution heat exchanger to be adjusted to generator and to have concentrated solution pipeline to be communicated with the 4th generator through solution heat exchanger, 4th generator has concentrated solution pipeline to be communicated with absorber through the 4th solution heat exchanger again, after being had by generator refrigerant steam channel to be communicated with the second generator the second generator have again cryogen liquid pipeline through the 3rd generator and choke valve to be communicated with evaporimeter be adjusted to generator have refrigerant steam channel to be communicated with the 4th generator after the 4th generator have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through the 3rd generator again, after 4th generator also has refrigerant steam channel to be communicated with the second generator, the second generator has cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve again, form Branch-cycle first-class absorption type heat pump.

5. Branch-cycle first-class absorption type heat pump, in the Branch-cycle first-class absorption type heat pump described in the 1st, increase by the 4th generator, 4th solution pump, 3rd choke valve and the 4th solution heat exchanger, had by absorber weak solution pipeline to be communicated with generator through solution pump and solution heat exchanger to be adjusted to absorber and to have weak solution pipeline to be communicated with the 4th generator with solution heat exchanger through solution pump, 4th generator has concentrated solution pipeline to be communicated with generator with the 4th solution heat exchanger through the 4th solution pump again, had by generator concentrated solution pipeline to be communicated with absorber through solution heat exchanger to be adjusted to generator and to have concentrated solution pipeline to be communicated with absorber with solution heat exchanger through the 4th solution heat exchanger, after being had by generator refrigerant steam channel to be communicated with the second generator the second generator have again cryogen liquid pipeline through the 3rd generator and choke valve to be communicated with evaporimeter be adjusted to generator have refrigerant steam channel to be communicated with the 4th generator after the 4th generator have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through the 3rd generator again, after 4th generator also has refrigerant steam channel to be communicated with the second generator, the second generator has cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve again, form Branch-cycle first-class absorption type heat pump.

6. Branch-cycle first-class absorption type heat pump, in the arbitrary Branch-cycle first-class absorption type heat pump described in 3-5 item, being had by 4th generator cryogen liquid pipeline to be communicated with the 3rd generator to be adjusted to the 4th generator has cryogen liquid pipeline to be communicated with the 3rd generator through the second generator, forms Branch-cycle first-class absorption type heat pump.

7. Branch-cycle first-class absorption type heat pump, in the arbitrary Branch-cycle first-class absorption type heat pump described in 3-6 item, there is by second generator cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve to be adjusted to the second generator and to have cryogen liquid pipeline to be communicated with evaporimeter with the 3rd choke valve through the 3rd generator, form Branch-cycle first-class absorption type heat pump.

8. Branch-cycle first-class absorption type heat pump, in the arbitrary Branch-cycle first-class absorption type heat pump described in 3-6 item, increase heat exchanger and the second heat exchanger, had by 3rd generator cryogen liquid pipeline to be communicated with evaporimeter through choke valve to be adjusted to the 3rd generator and to have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through heat exchanger, had by second generator cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve to be adjusted to the second generator and to have cryogen liquid pipeline to be communicated with evaporimeter with the 3rd choke valve through the second heat exchanger, heat exchanger and the second heat exchanger also have heated medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

9. Branch-cycle first-class absorption type heat pump, in the arbitrary Branch-cycle first-class absorption type heat pump described in the 7th, increase heat exchanger and the second heat exchanger, had by 3rd generator cryogen liquid pipeline to be communicated with evaporimeter through choke valve to be adjusted to the 3rd generator and to have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through heat exchanger, had by 3rd generator cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve to be adjusted to the 3rd generator and to have cryogen liquid pipeline to be communicated with evaporimeter with the 3rd choke valve through the second heat exchanger, heat exchanger and the second heat exchanger also have heated medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

10. Branch-cycle first-class absorption type heat pump, in the Branch-cycle first-class absorption type heat pump described in the 1st, increase by the 4th generator, 4th absorber, 4th solution pump and the 4th solution heat exchanger, after being had by generator refrigerant steam channel to be communicated with the second generator, the second generator has cryogen liquid pipeline to be communicated with evaporimeter through the 3rd generator and choke valve to be adjusted to generator and to have refrigerant steam channel to be communicated with the 4th absorber again, 4th absorber also has weak solution pipeline to be communicated with the 4th generator with the 4th solution heat exchanger through the 4th solution pump, 4th generator also has concentrated solution pipeline to be communicated with the 4th absorber through the 4th solution heat exchanger, after 4th generator also has refrigerant steam channel to be communicated with the second generator, the second generator has cryogen liquid pipeline to be communicated with evaporimeter with choke valve through the 3rd generator again, 4th generator also has driving heat medium pipeline and ft connection, 4th absorber also has heated medium pipeline and ft connection, form Branch-cycle first-class absorption type heat pump.

11. Branch-cycle first-class absorption type heat pumps, in the Branch-cycle first-class absorption type heat pump described in the 10th, increase heat exchanger, had by second generator cryogen liquid pipeline to be communicated with evaporimeter through the 3rd generator and choke valve to be adjusted to the second generator and to have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through the 3rd generator, heat exchanger, heat exchanger also has heated medium pipeline and ft connection, forms Branch-cycle first-class absorption type heat pump.

12. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 1-2 item, increase by the 4th generator, 4th absorber, 4th solution pump and the 4th solution heat exchanger, had by absorber weak solution pipeline to be communicated with generator through solution pump and solution heat exchanger to be adjusted to absorber and to have weak solution pipeline to be communicated with the 4th absorber with the 4th solution heat exchanger through solution pump, 4th absorber has weak solution pipeline to be communicated with generator with solution heat exchanger through the 4th solution pump again, had by generator concentrated solution pipeline to be communicated with absorber through solution heat exchanger to be adjusted to generator and to have concentrated solution pipeline to be communicated with the 4th generator through solution heat exchanger, 4th generator has concentrated solution pipeline to be communicated with absorber through the 4th solution heat exchanger again, 4th generator also has refrigerant steam channel to be communicated with the 4th absorber, 4th generator also has driving heat medium pipeline and ft connection, 4th absorber also has heated medium pipeline and ft connection, form Branch-cycle first-class absorption type heat pump.

13. Branch-cycle first-class absorption type heat pumps, at 1-2, in arbitrary Branch-cycle first-class absorption type heat pump described in 10-12 item, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, second absorber is set up weak solution pipeline and is communicated with newly-increased generator with newly-increased solution heat exchanger through newly-increased solution pump, newly-increased generator also has concentrated solution pipeline to be communicated with the 3rd generator through newly-increased solution heat exchanger, after being had by second generator refrigerant steam channel to be communicated with condenser to be adjusted to the second generator to have refrigerant steam channel to be communicated with newly-increased generator, newly-increased generator has cryogen liquid pipeline to be communicated with condenser through newly-increased choke valve again, newly-increased generator also has refrigerant steam channel to be communicated with condenser, form Branch-cycle first-class absorption type heat pump.

14. Branch-cycle first-class absorption type heat pumps, at 1-2, in arbitrary Branch-cycle first-class absorption type heat pump described in 10-12 item, increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber weak solution pipeline to be communicated with the second generator through the second solution pump and the second solution heat exchanger to be adjusted to the second absorber and to have weak solution pipeline through the second solution pump, newly-increased solution heat exchanger is communicated with the second generator with the second solution heat exchanger, had by second generator concentrated solution pipeline to be communicated with the 3rd generator through the second solution heat exchanger to be adjusted to the second generator and to have concentrated solution pipeline to be communicated with newly-increased generator through the second solution heat exchanger, newly-increased generator has concentrated solution pipeline to be communicated with the 3rd generator through newly-increased solution heat exchanger again, after being had by second generator refrigerant steam channel to be communicated with condenser to be adjusted to the second generator to have refrigerant steam channel to be communicated with newly-increased generator, newly-increased generator has cryogen liquid pipeline to be communicated with condenser through newly-increased choke valve again, newly-increased generator also has refrigerant steam channel to be communicated with condenser, form Branch-cycle first-class absorption type heat pump.

15. Branch-cycle first-class absorption type heat pumps, at 1-2, in arbitrary Branch-cycle first-class absorption type heat pump described in 10-12 item, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber weak solution pipeline to be communicated with the second generator through the second solution pump and the second solution heat exchanger to be adjusted to the second absorber and to have weak solution pipeline to be communicated with newly-increased generator with the second solution heat exchanger through the second solution pump, newly-increased generator has concentrated solution pipeline to be communicated with the second generator with newly-increased solution heat exchanger through newly-increased solution pump again, had by second generator concentrated solution pipeline to be communicated with the 3rd generator through the second solution heat exchanger to be adjusted to the second generator and to have concentrated solution pipeline to be communicated with the 3rd generator with the second solution heat exchanger through newly-increased solution heat exchanger, after being had by second generator refrigerant steam channel to be communicated with condenser to be adjusted to the second generator to have refrigerant steam channel to be communicated with newly-increased generator, newly-increased generator has cryogen liquid pipeline to be communicated with condenser through newly-increased choke valve again, newly-increased generator also has refrigerant steam channel to be communicated with condenser, form Branch-cycle first-class absorption type heat pump.

16. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 13-15 item, cryogen liquid pipeline there is is by second generator to be communicated with the 3rd generator to be adjusted to the second generator to have cryogen liquid pipeline to be communicated with the 3rd generator through newly-increased generator, formation Branch-cycle first-class absorption type heat pump.

17. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 3-5 item, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, second absorber is set up weak solution pipeline and is communicated with newly-increased generator with newly-increased solution heat exchanger through newly-increased solution pump, newly-increased generator also has concentrated solution pipeline to be communicated with the 3rd generator through newly-increased solution heat exchanger, after being had by second generator refrigerant steam channel to be communicated with condenser to be adjusted to the second generator to have refrigerant steam channel to be communicated with newly-increased generator, newly-increased generator has cryogen liquid pipeline to be communicated with condenser through newly-increased choke valve again, newly-increased generator also has refrigerant steam channel to be communicated with condenser, form Branch-cycle first-class absorption type heat pump.

18. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 3-5 item, increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber weak solution pipeline to be communicated with the second generator through the second solution pump and the second solution heat exchanger to be adjusted to the second absorber and to have weak solution pipeline through the second solution pump, newly-increased solution heat exchanger is communicated with the second generator with the second solution heat exchanger, had by second generator concentrated solution pipeline to be communicated with the 3rd generator through the second solution heat exchanger to be adjusted to the second generator and to have concentrated solution pipeline to be communicated with newly-increased generator through the second solution heat exchanger, newly-increased generator has concentrated solution pipeline to be communicated with the 3rd generator through newly-increased solution heat exchanger again, after being had by second generator refrigerant steam channel to be communicated with condenser to be adjusted to the second generator to have refrigerant steam channel to be communicated with newly-increased generator, newly-increased generator has cryogen liquid pipeline to be communicated with condenser through newly-increased choke valve again, newly-increased generator also has refrigerant steam channel to be communicated with condenser, form Branch-cycle first-class absorption type heat pump.

19. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 3-5 item, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber weak solution pipeline to be communicated with the second generator through the second solution pump and the second solution heat exchanger to be adjusted to the second absorber and to have weak solution pipeline to be communicated with newly-increased generator with the second solution heat exchanger through the second solution pump, newly-increased generator has concentrated solution pipeline to be communicated with the second generator with newly-increased solution heat exchanger through newly-increased solution pump again, had by second generator concentrated solution pipeline to be communicated with the 3rd generator through the second solution heat exchanger to be adjusted to the second generator and to have concentrated solution pipeline to be communicated with the 3rd generator with the second solution heat exchanger through newly-increased solution heat exchanger, after being had by second generator refrigerant steam channel to be communicated with condenser to be adjusted to the second generator to have refrigerant steam channel to be communicated with newly-increased generator, newly-increased generator has cryogen liquid pipeline to be communicated with condenser through newly-increased choke valve again, newly-increased generator also has refrigerant steam channel to be communicated with condenser, form Branch-cycle first-class absorption type heat pump.

20. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 17-19 item, after being had by generator refrigerant steam channel to be communicated with the 4th generator the 4th generator have again cryogen liquid pipeline through the 3rd generator and choke valve to be communicated with evaporimeter be adjusted to generator have refrigerant steam channel to be communicated with the 4th generator after the 4th generator have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through the second generator, the 3rd generator again, formation Branch-cycle first-class absorption type heat pump.

21. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 17-19 item, after being had by generator refrigerant steam channel to be communicated with the 4th generator, the 4th generator has cryogen liquid pipeline to be communicated with evaporimeter through the 3rd generator and choke valve to be adjusted to after generator has refrigerant steam channel to be communicated with the 4th generator that the 4th generator has cryogen liquid pipeline through the second generator again, increases generator newly, the 3rd generator is communicated with evaporimeter with choke valve, formation Branch-cycle first-class absorption type heat pump again.

22. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 17-21 item, increase heat exchanger and the second heat exchanger, had by 3rd generator cryogen liquid pipeline to be communicated with evaporimeter through choke valve to be adjusted to the 3rd generator and to have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through heat exchanger, had by second generator cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve to be adjusted to the second generator and to have cryogen liquid pipeline to be communicated with evaporimeter with the 3rd choke valve through the second heat exchanger, heat exchanger and the second heat exchanger also have heated medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

23. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 17-21 item, after being had by 4th generator refrigerant steam channel to be communicated with the second generator the second generator have again cryogen liquid pipeline through the 3rd choke valve to be communicated with evaporimeter be adjusted to the 4th generator have refrigerant steam channel to be communicated with the second generator after the second generator have cryogen liquid pipeline warp to increase generator newly to be again communicated with evaporimeter with the 3rd choke valve, formation Branch-cycle first-class absorption type heat pump.

24. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in the 23rd, increase heat exchanger and the second heat exchanger, had by 3rd generator cryogen liquid pipeline to be communicated with evaporimeter through choke valve to be adjusted to the 3rd generator and to have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through heat exchanger, had by newly-increased generator cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve to be adjusted to newly-increased generator and to have cryogen liquid pipeline to be communicated with evaporimeter with the 3rd choke valve through the second heat exchanger, heat exchanger and the second heat exchanger also have heated medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

25. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 17-21 item, after being had by 4th generator refrigerant steam channel to be communicated with the second generator the second generator have again cryogen liquid pipeline through the 3rd choke valve to be communicated with evaporimeter be adjusted to the 4th generator have refrigerant steam channel to be communicated with the second generator after the second generator have cryogen liquid pipeline to be communicated with evaporimeter with the 3rd choke valve through the 3rd generator again, formation Branch-cycle first-class absorption type heat pump.

26. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 17-21 item, after being had by 4th generator refrigerant steam channel to be communicated with the second generator the second generator have again cryogen liquid pipeline through the 3rd choke valve to be communicated with evaporimeter be adjusted to the 4th generator have refrigerant steam channel to be communicated with the second generator after the second generator have that cryogen liquid pipeline warp increases generator newly, the 3rd generator is communicated with evaporimeter with the 3rd choke valve again, formation Branch-cycle first-class absorption type heat pump.

27. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in 25-26 item, increase heat exchanger and the second heat exchanger, had by 3rd generator cryogen liquid pipeline to be communicated with evaporimeter through choke valve to be adjusted to the 3rd generator and to have cryogen liquid pipeline to be communicated with evaporimeter with choke valve through heat exchanger, had by 3rd generator cryogen liquid pipeline to be communicated with evaporimeter through the 3rd choke valve to be adjusted to the 3rd generator and to have cryogen liquid pipeline to be communicated with evaporimeter with the 3rd choke valve through the second heat exchanger, heat exchanger and the second heat exchanger also have heated medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

28. Branch-cycle first-class absorption type heat pumps, are in the arbitrary Branch-cycle first-class absorption type heat pump described in 1-27 item, evaporimeter and the second evaporimeter are united two into one, and form Branch-cycle first-class absorption type heat pump.

Feature of the present invention and essence is further illustrated below in conjunction with the first-class absorption type heat pump of Branch-cycle shown in Fig. 2:

1. drive heat medium flow enter the solution release in it through generator 1, heating and provide refrigerant vapour to the second generator 2, drive heat to carry out first time temperature drop in first solution circulation loop; Temperature is higher and the cryogen liquid that sensible heat is more flows through the 3rd generator 3, heating enters the solution release in it and improves refrigerant vapour to the second absorber 5, by concentrated solution absorption, also heat release is in heated medium in the second absorber 5 for refrigerant vapour, and solution concentration is further enhanced; The refrigerant vapour that evaporimeter 8 produces enters absorber 4, is absorbed and heat up by concentrated solution, thus realizes driving the first time of the temperature difference to utilize and deep exploitation.

2. the solution that refrigerant vapour flows through the second generator 2, heating enters in it discharges and provides refrigerant vapour to condenser 7, drives heat in second solution circulation loop, realize second time temperature drop; The refrigerant vapour that second evaporimeter 9 produces enters the 3rd absorber 6, is absorbed and heat up by concentrated solution, thus realizes driving the second time of the temperature difference to utilize.

3. cryogen liquid flows through heat exchanger 18 heat release in heated medium, and temperature enters evaporimeter 8 through choke valve 13 reducing pressure by regulating flow after reducing again, and this is conducive to obtaining more Low Temperature Thermal load.

Accompanying drawing illustrates:

Fig. 1 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 1st kind of structure and schematic flow sheet.

Fig. 2 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 2nd kind of structure and schematic flow sheet.

Fig. 3 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 3rd kind of structure and schematic flow sheet.

Fig. 4 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 4th kind of structure and schematic flow sheet.

Fig. 5 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 5th kind of structure and schematic flow sheet.

Fig. 6 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 6th kind of structure and schematic flow sheet.

Circle 7 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 7th kind of structure and schematic flow sheet.

Fig. 8 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 8th kind of structure and schematic flow sheet.

Fig. 9 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 9th kind of structure and schematic flow sheet.

Figure 10 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 10th kind of structure and schematic flow sheet.

Figure 11 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 11st kind of structure and schematic flow sheet.

Figure 12 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 12nd kind of structure and schematic flow sheet.

Figure 13 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 13rd kind of structure and schematic flow sheet.

Figure 14 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 14th kind of structure and schematic flow sheet.

Figure 15 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 15th kind of structure and schematic flow sheet.

Figure 16 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 16th kind of structure and schematic flow sheet.

Figure 17 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 17th kind of structure and schematic flow sheet.

Figure 18 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 18th kind of structure and schematic flow sheet.

Figure 19 is according to Branch-cycle first-class absorption type heat pump provided by the present invention 19th kind of structure and schematic flow sheet.

In figure, 1-generator, 2-second generator, 3-the 3rd generator, 4-absorber, 5-second absorber, 6-the 3rd absorber, 7-condenser, 8-evaporimeter, 9-second evaporimeter, 10-solution pump, 11-second solution pump, 12-the 3rd solution pump, 13-choke valve, 14-second throttle, 15-solution heat exchanger, 16-second solution heat exchanger, 17-the 3rd solution heat exchanger, 18-heat exchanger, 19-the 4th generator, 20-the 4th solution pump, 21-the 3rd choke valve, 22-the 4th solution heat exchanger, 23-second heat exchanger, 24-the 4th absorber, A-increases generator newly, and B-increases solution pump newly, and C-increases choke valve newly, and D-increases solution heat exchanger newly.

Detailed description of the invention:

First be noted that in the statement of structure and flow process, do not repeat in inessential situation; Apparent flow process is not stated.The present invention is described in detail below in conjunction with accompanying drawing and example.

Branch-cycle first-class absorption type heat pump shown in Fig. 1 is achieved in that

1., in structure, it formed primarily of generator, the second generator, the 3rd generator, absorber, the second absorber, the 3rd absorber, condenser, evaporimeter, the second evaporimeter, solution pump, the second solution pump, the 3rd solution pump, choke valve, second throttle, solution heat exchanger, the second solution heat exchanger and the 3rd solution heat exchanger, absorber 4 has weak solution pipeline to be communicated with generator 1 with solution heat exchanger 15 through solution pump 10, generator 1 also has concentrated solution pipeline to be communicated with absorber 4 through solution heat exchanger 15, after generator 1 also has refrigerant steam channel to be communicated with the second generator 2, the second generator 2 has cryogen liquid pipeline to be communicated with evaporimeter 8 with choke valve 13 through the 3rd generator 3 again, and evaporimeter 8 also has refrigerant steam channel to be communicated with absorber 4, 3rd absorber 6 has weak solution pipeline to be communicated with the second absorber 5 with the 3rd solution heat exchanger 17 through the 3rd solution pump 12, second absorber 5 also has weak solution pipeline to be communicated with the second generator 2 with the second solution heat exchanger 16 through the second solution pump 11, second generator 2 also has concentrated solution pipeline to be communicated with the 3rd generator 3 through the second solution heat exchanger 16, 3rd generator 3 also has concentrated solution pipeline to be communicated with the 3rd absorber 6 through the 3rd solution heat exchanger 17, second generator 2 also has refrigerant steam channel to be communicated with condenser 7, 3rd generator 3 also has refrigerant steam channel to be communicated with the second absorber 5, condenser 7 also has cryogen liquid pipeline to be communicated with the second evaporimeter 9 through second throttle 14, second evaporimeter 9 also has refrigerant steam channel to be communicated with the 3rd absorber 6, generator 1 also has driving heat medium pipeline and ft connection, absorber 4, second absorber 5, the 3rd absorber 6 and condenser 7 also have heated medium pipeline and ft connection respectively, and evaporimeter 8 and the second evaporimeter 9 also have surplus heat medium pipeline and ft connection respectively.

2. in flow process, the weak solution of absorber 4 enters generator 1 through solution pump 10 and solution heat exchanger 15, drive heat medium flow enter the solution release in it through generator 1, heating and provide refrigerant vapour to the second generator 2---the refrigerant vapour that generator 1 produces as the driving thermal medium of the second generator 2, the concentrated solution of generator 1 enters absorber 4 through solution heat exchanger 15, absorb refrigerant vapour and heat release in heated medium, the weak solution of the 3rd absorber 6 enters the second absorber 5 through the 3rd solution pump 12 and the 3rd solution heat exchanger 17, absorb refrigerant vapour heat release in heated medium, the weak solution of the second absorber 5 enters the second generator 2 through the second solution pump 11 and the second solution heat exchanger 16, refrigerant vapour flows through the second generator 2, heating enters the solution release in it and provides refrigerant vapour to condenser 7, the 3rd generator 3 heat release is flowed through after the refrigerant vapour heat release flowing through the second generator 2 becomes cryogen liquid, evaporimeter 8 is entered again through choke valve 13 throttling, absorb waste heat become refrigerant vapour and provide to absorber 4, the concentrated solution of the second generator 2 enters the 3rd generator 3 through the second solution heat exchanger 16, cryogen liquid flows through the 3rd generator 3, heating enters the solution release in it and provides refrigerant vapour to the second absorber 5, the concentrated solution of the 3rd generator 3 enters the 3rd absorber 6 through the 3rd solution heat exchanger 17, absorb refrigerant vapour heat release in heated medium, the refrigerant vapour heat release of condenser 7 becomes cryogen liquid in heated medium, the cryogen liquid of condenser 7 enters the second evaporimeter 9 through second throttle 14 throttling, absorb waste heat becomes refrigerant vapour and provides to the 3rd absorber 6, forms Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Fig. 2 is achieved in that

In the Branch-cycle first-class absorption type heat pump shown in Fig. 1, increase heat exchanger, had by 3rd generator 3 cryogen liquid pipeline to be communicated with evaporimeter 8 through choke valve 13 to be adjusted to the 3rd generator 3 and to have cryogen liquid pipeline to be communicated with evaporimeter 8 with choke valve 13 through heat exchanger 18, heat exchanger 18 also has heated medium pipeline and ft connection; The refrigerant vapour that generator 1 produces flow through the second generator 2 heat release become cryogen liquid, again flow through successively the 3rd generator 3 and heat exchanger 18 heat release cooling after enter evaporimeter 8 through choke valve 13 reducing pressure by regulating flow, formation Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Fig. 3 is achieved in that

1. in structure, in the Branch-cycle first-class absorption type heat pump shown in Fig. 1, increase by the 4th generator, 4th solution pump, 3rd choke valve and the 4th solution heat exchanger, absorber 4 is set up weak solution pipeline and is communicated with the 4th generator 19 with the 4th solution heat exchanger 22 through the 4th solution pump 20, 4th generator 19 also has concentrated solution pipeline to be communicated with absorber 4 through the 4th solution heat exchanger 22, after being had by generator 1 refrigerant steam channel to be communicated with the second generator 2 second generator 2 have again cryogen liquid pipeline through the 3rd generator 3 and choke valve 13 to be communicated with evaporimeter 8 be adjusted to generator 1 have refrigerant steam channel to be communicated with the 4th generator 19 after the 4th generator 19 have cryogen liquid pipeline to be communicated with evaporimeter 8 with choke valve 13 through the 3rd generator 3 again, after 4th generator 19 also has refrigerant steam channel to be communicated with the second generator 2, the second generator 2 has cryogen liquid pipeline to be communicated with evaporimeter 8 through the 3rd choke valve 21 again.

2. in flow process, the refrigerant vapour that generator 1 produces is supplied to the 4th generator 19 and does to drive thermal medium, the part weak solution of absorber 4 enters the 4th generator 19 through the 4th solution pump 20 and the 4th solution heat exchanger 22, refrigerant vapour flows through the 4th generator 19, heating enters the solution release in it and provides refrigerant vapour to the second generator 2---and the refrigerant vapour that the 4th generator 19 produces is supplied to the second generator 2 and does to drive thermal medium, the concentrated solution of the 4th generator 19 enters absorber 4 through the 4th solution heat exchanger 22, the 3rd generator 3 heat release cooling is flowed through again after the refrigerant vapour heat release flowing through the 4th generator 19 becomes cryogen liquid, then evaporimeter 8 is entered through the 3rd choke valve 21 reducing pressure by regulating flow, form Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Fig. 4 is achieved in that

1. in structure, in the Branch-cycle first-class absorption type heat pump shown in Fig. 1, increase by the 4th generator, 3rd choke valve and the 4th solution heat exchanger, had by absorber 4 weak solution pipeline to be communicated with generator 1 through solution pump 10 and solution heat exchanger 15 to be adjusted to absorber 4 and to have weak solution pipeline through solution pump 10,4th solution heat exchanger 22 is communicated with generator 1 with solution heat exchanger 15, had by generator 1 concentrated solution pipeline to be communicated with absorber 4 through solution heat exchanger 15 to be adjusted to generator 1 and to have concentrated solution pipeline to be communicated with the 4th generator 19 through solution heat exchanger 15,4th generator 19 has concentrated solution pipeline to be communicated with absorber 4 through the 4th solution heat exchanger 22 again, after being had by generator 1 refrigerant steam channel to be communicated with the second generator 2 second generator 2 have again cryogen liquid pipeline through the 3rd generator 3 and choke valve 13 to be communicated with evaporimeter 8 be adjusted to generator 1 have refrigerant steam channel to be communicated with the 4th generator 19 after the 4th generator 19 have cryogen liquid pipeline again through the second generator 2,3rd generator 3 is communicated with evaporimeter 8 with choke valve 13, after 4th generator 19 also has refrigerant steam channel to be communicated with the second generator 2, the second generator 2 has cryogen liquid pipeline to be communicated with evaporimeter 8 through the 3rd choke valve 21 again.

2. in flow process, the refrigerant vapour that generator 1 produces is supplied to the 4th generator 19 and does to drive thermal medium, the weak solution of absorber 4 is through solution pump 10, 4th solution heat exchanger 22 and solution heat exchanger 15 enter generator 1, the concentrated solution of generator 1 enters the 4th generator 19 through solution heat exchanger 15, refrigerant vapour flows through the 4th generator 19, heating enters the solution release in it and provides refrigerant vapour to the second generator 2---and the refrigerant vapour that the 4th generator 19 produces is supplied to the second generator 2 and does to drive thermal medium, the concentrated solution of the 4th generator 19 enters absorber 4 through the 4th solution heat exchanger 22, the second generator 2 and the 3rd generator 3 is flowed through successively and progressively heat release cooling after the refrigerant vapour heat release flowing through the 4th generator 19 becomes cryogen liquid, evaporimeter 8 is entered again through choke valve 13 reducing pressure by regulating flow, form Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Fig. 5 is achieved in that

1. in structure, in the Branch-cycle first-class absorption type heat pump shown in Fig. 1, increase by the 4th generator, 4th solution pump, 3rd choke valve and the 4th solution heat exchanger, had by absorber 4 weak solution pipeline to be communicated with generator 1 through solution pump 10 and solution heat exchanger 15 to be adjusted to absorber 4 and to have weak solution pipeline to be communicated with the 4th generator 19 with solution heat exchanger 15 through solution pump 10,4th generator 19 has concentrated solution pipeline to be communicated with generator 1 with the 4th solution heat exchanger 22 through the 4th solution pump 20 again, had by generator 1 concentrated solution pipeline to be communicated with absorber 4 through solution heat exchanger 15 to be adjusted to generator 1 and to have concentrated solution pipeline to be communicated with absorber 4 with solution heat exchanger 15 through the 4th solution heat exchanger 22, after being had by generator 1 refrigerant steam channel to be communicated with the second generator 2 second generator 2 have again cryogen liquid pipeline through the 3rd generator 3 and choke valve 13 to be communicated with evaporimeter 8 be adjusted to generator 1 have refrigerant steam channel to be communicated with the 4th generator 19 after the 4th generator 19 have cryogen liquid pipeline to be communicated with evaporimeter 8 with choke valve 13 through the 3rd generator 3 again, after 4th generator 19 also has refrigerant steam channel to be communicated with the second generator 2, the second generator 2 has cryogen liquid pipeline to be communicated with evaporimeter 8 through the 3rd choke valve 21 again.

2. in flow process, the refrigerant vapour that generator 1 produces is supplied to the 4th generator 19 and does to drive thermal medium, the weak solution of absorber 4 enters the 4th generator 19 through solution pump 10 and solution heat exchanger 15, refrigerant vapour flows through the 4th generator 19, heating enters the solution release in it and provides refrigerant vapour to the second generator 2---and the refrigerant vapour that the 4th generator 19 produces is supplied to the second generator 2 and does to drive thermal medium, the concentrated solution of the 4th generator 19 enters generator 1 through the 4th solution pump 20 and the 4th solution heat exchanger 22, the concentrated solution of generator 1 enters absorber 4 through the 4th solution heat exchanger 22 and solution heat exchanger 15, the 3rd generator 3 heat release cooling is flowed through again after the refrigerant vapour heat release flowing through the 4th generator 19 becomes cryogen liquid, then evaporimeter 8 is entered through choke valve 13 reducing pressure by regulating flow, evaporimeter 8 is entered through the 3rd choke valve 21 reducing pressure by regulating flow after the refrigerant vapour heat release flowing through the second generator 2 becomes cryogen liquid, form Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Fig. 6 is achieved in that

In the Branch-cycle first-class absorption type heat pump shown in Fig. 4, increase heat exchanger and the second heat exchanger, had by 3rd generator 3 cryogen liquid pipeline to be communicated with evaporimeter 8 through choke valve 13 to be adjusted to the 3rd generator 3 and to have cryogen liquid pipeline to be communicated with evaporimeter 8 with choke valve 13 through heat exchanger 18, had by second generator 2 cryogen liquid pipeline to be communicated with evaporimeter 8 through the 3rd choke valve 21 to be adjusted to the second generator 2 and to have cryogen liquid pipeline to be communicated with evaporimeter 8 with the 3rd choke valve 21 through the second heat exchanger 23, heat exchanger 18 and the second heat exchanger 23 also have heated medium pipeline and ft connection respectively, flow through the second generator 2, the 3rd generator 3 and heat exchanger 18 after the refrigerant vapour heat release flowing through the 4th generator 19 becomes cryogen liquid successively and progressively heat release cooling, enter evaporimeter 8 through choke valve 13 reducing pressure by regulating flow again, flow through the second heat exchanger 23 heat release cooling after the refrigerant vapour heat release flowing through the second generator 2 becomes cryogen liquid, enter evaporimeter 8 through the 3rd choke valve 21 reducing pressure by regulating flow again, form Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Fig. 7 is achieved in that

In the Branch-cycle first-class absorption type heat pump shown in Fig. 3, increase heat exchanger and the second heat exchanger, had by 3rd generator 19 cryogen liquid pipeline to be communicated with evaporimeter 8 through the 3rd generator 3 and choke valve 13 to be adjusted to the 3rd generator 19 and to have cryogen liquid pipeline through the second generator 2, 3rd generator 3, heat exchanger 18 is communicated with evaporimeter 8 with choke valve 13, had by second generator 2 cryogen liquid pipeline to be communicated with evaporimeter 8 through the 3rd choke valve 21 to be adjusted to the second generator 2 and to have cryogen liquid pipeline through the 3rd generator 3, second heat exchanger 23 is communicated with evaporimeter 8 with the 3rd choke valve 21, heat exchanger 18 and the second heat exchanger 23 also have heated medium pipeline and ft connection respectively, flow through the second generator 2, the 3rd generator 3 and heat exchanger 18 after the refrigerant vapour heat release flowing through the 4th generator 19 becomes cryogen liquid successively and progressively heat release cooling, then enter evaporimeter 8 through choke valve 13 reducing pressure by regulating flow, flow through the 3rd generator 3 and the second heat exchanger 23 after the refrigerant vapour heat release flowing through the second generator 2 becomes cryogen liquid again and progressively heat release cooling, then enter evaporimeter 8 through the 3rd choke valve 21 reducing pressure by regulating flow, forming Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Fig. 8 is achieved in that

1. in structure, in the Branch-cycle first-class absorption type heat pump shown in Fig. 1, increase by the 4th generator, 4th absorber, 4th solution pump and the 4th solution heat exchanger, after being had by generator 1 refrigerant steam channel to be communicated with the second generator 2, the second generator 2 has cryogen liquid pipeline to be communicated with evaporimeter 8 through the 3rd generator 3 and choke valve 13 to be adjusted to generator 1 and to have refrigerant steam channel to be communicated with the 4th absorber 24 again, 4th absorber 24 also has weak solution pipeline to be communicated with the 4th generator 19 with the 4th solution heat exchanger 22 through the 4th solution pump 20, 4th generator 19 also has concentrated solution pipeline to be communicated with the 4th absorber 24 through the 4th solution heat exchanger 22, after 4th generator 19 also has refrigerant steam channel to be communicated with the second generator 2, the second generator 2 has cryogen liquid pipeline to be communicated with evaporimeter 8 with choke valve 13 through the 3rd generator 3 again, 4th generator 19 also has driving heat medium pipeline and ft connection, 4th absorber 24 also has heated medium pipeline and ft connection.

2. in flow process, the refrigerant vapour that generator 1 discharges enters the 4th absorber 24, is absorbed also heat release in heated medium by concentrated solution, the weak solution of the 4th absorber 24 enters the 4th generator 19 through the 4th solution pump 20 and the 4th solution heat exchanger 22, heat medium flow is driven to enter the solution release in it through the 4th generator 19, heating and provide refrigerant vapour to do to drive thermal medium to the second generator 2, the concentrated solution of the 4th generator 19 enters the 4th absorber 24 through the 4th solution heat exchanger 22, forms Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Fig. 9 is achieved in that

1. in structure, in the Branch-cycle first-class absorption type heat pump shown in Fig. 1, increase by the 4th generator, 4th absorber, 4th solution pump and the 4th solution heat exchanger, had by absorber 4 weak solution pipeline to be communicated with generator 1 through solution pump 10 and solution heat exchanger 15 to be adjusted to absorber 4 and to have weak solution pipeline to be communicated with the 4th absorber 24 with the 4th solution heat exchanger 22 through solution pump 10, 4th absorber 24 has weak solution pipeline to be communicated with generator 1 with solution heat exchanger 15 through the 4th solution pump 20 again, had by generator 1 concentrated solution pipeline to be communicated with absorber 4 through solution heat exchanger 15 to be adjusted to generator 1 and to have concentrated solution pipeline to be communicated with the 4th generator 19 through solution heat exchanger 15, 4th generator 19 has concentrated solution pipeline to be communicated with absorber 4 through the 4th solution heat exchanger 22 again, 4th generator 19 also has refrigerant steam channel to be communicated with the 4th absorber 24, 4th generator 19 also has driving heat medium pipeline and ft connection, 4th absorber 24 also has heated medium pipeline and ft connection.

2. in flow process, the weak solution of absorber 4 enters the 4th absorber 24 through solution pump 10 and the 4th solution heat exchanger 22, absorb refrigerant vapour heat release in heated medium, the weak solution of the 4th absorber 24 enters generator 1 through the 4th solution pump 20 and solution heat exchanger 15, the concentrated solution of generator 1 enters the 4th generator 19 through solution heat exchanger 15, drive heat medium flow through the 4th generator 19, heating enters the solution release in it and provides refrigerant vapour to the 4th absorber 24, the concentrated solution of the 4th generator 19 enters absorber 4 through the 4th solution heat exchanger 22, form Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Figure 10 is achieved in that

1. in structure, in the Branch-cycle first-class absorption type heat pump shown in Fig. 1, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, second absorber 5 is set up weak solution pipeline and is communicated with newly-increased generator A with newly-increased solution heat exchanger D through newly-increased solution pump B, newly-increased generator A also has concentrated solution pipeline to be communicated with the 3rd generator 3 through newly-increased solution heat exchanger D, after being had by second generator 2 refrigerant steam channel to be communicated with condenser 7 to be adjusted to the second generator 2 to have refrigerant steam channel to be communicated with newly-increased generator A, newly-increased generator A has cryogen liquid pipeline to be communicated with condenser 7 through newly-increased choke valve C again, newly-increased generator A also has refrigerant steam channel to be communicated with condenser 7.

2. in flow process, the refrigerant vapour that second generator 2 produces is supplied to newly-increased generator A and does to drive thermal medium, the part weak solution of the second absorber 5 enters newly-increased generator A through newly-increased solution pump B and newly-increased solution heat exchanger D, refrigerant vapour flows through newly-increased generator A, heating enters the solution release in it and provides refrigerant vapour to condenser 7, the concentrated solution of newly-increased generator A enters the 3rd generator 3 through newly-increased solution heat exchanger D, condenser 7 is entered through newly-increased choke valve C throttling after the refrigerant vapour heat release flowing through newly-increased generator A becomes cryogen liquid, form Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Figure 11 is achieved in that

1. in structure, in the Branch-cycle first-class absorption type heat pump shown in Fig. 1, increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber 5 weak solution pipeline to be communicated with the second generator 2 through the second solution pump 11 and the second solution heat exchanger 16 to be adjusted to the second absorber 5 and to have weak solution pipeline through the second solution pump 11, newly-increased solution heat exchanger D is communicated with the second generator 2 with the second solution heat exchanger 16, had by second generator 2 concentrated solution pipeline to be communicated with the 3rd generator 3 through the second solution heat exchanger 16 to be adjusted to the second generator 2 and to have concentrated solution pipeline to be communicated with newly-increased generator A through the second solution heat exchanger 16, newly-increased generator A has concentrated solution pipeline to be communicated with the 3rd generator 3 through newly-increased solution heat exchanger D again, after being had by second generator 2 refrigerant steam channel to be communicated with condenser 7 to be adjusted to the second generator 2 to have refrigerant steam channel to be communicated with newly-increased generator A, newly-increased generator A has cryogen liquid pipeline to be communicated with condenser 7 through newly-increased choke valve C again, newly-increased generator A also has refrigerant steam channel to be communicated with condenser 7.

2. in flow process, the refrigerant vapour that second generator 2 produces is supplied to newly-increased generator A and does to drive thermal medium, the weak solution of the second absorber 5 is through the second solution pump 11, newly-increased solution heat exchanger D and the second solution heat exchanger 16 enter the second generator 2, the concentrated solution of the second generator 2 enters newly-increased generator A through the second solution heat exchanger 16, refrigerant vapour flows through newly-increased generator A, heating enters the solution release in it and provides refrigerant vapour to condenser 7, the concentrated solution of newly-increased generator A enters the 3rd generator 3 through newly-increased solution heat exchanger D, condenser 7 is entered through newly-increased choke valve C throttling after the refrigerant vapour heat release flowing through newly-increased generator A becomes cryogen liquid, form Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Figure 12 is achieved in that

1. in structure, in the Branch-cycle first-class absorption type heat pump shown in Fig. 1, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber 5 weak solution pipeline to be communicated with the second generator 2 through the second solution pump 11 and the second solution heat exchanger 16 to be adjusted to the second absorber 5 and to have weak solution pipeline to be communicated with newly-increased generator A with the second solution heat exchanger 16 through the second solution pump 11, newly-increased generator A has concentrated solution pipeline to be communicated with the second generator 2 with newly-increased solution heat exchanger D through newly-increased solution pump B again, had by second generator 2 concentrated solution pipeline to be communicated with the 3rd generator 3 through the second solution heat exchanger 16 to be adjusted to the second generator 2 and to have concentrated solution pipeline to be communicated with the 3rd generator 3 with the second solution heat exchanger 16 through newly-increased solution heat exchanger D, after being had by second generator 2 refrigerant steam channel to be communicated with condenser 7 to be adjusted to the second generator 2 to have refrigerant steam channel to be communicated with newly-increased generator A, newly-increased generator A has cryogen liquid pipeline to be communicated with condenser 7 through newly-increased choke valve C again, newly-increased generator A also has refrigerant steam channel to be communicated with condenser 7.

2. in flow process, the refrigerant vapour that second generator 2 produces is supplied to newly-increased generator A and does to drive thermal medium, the weak solution of the second absorber 5 enters newly-increased generator A through the second solution pump 11 and the second solution heat exchanger 16, refrigerant vapour flows through newly-increased generator A, heating enters the solution release in it and provides refrigerant vapour to condenser 7, the concentrated solution of newly-increased generator A enters the second generator 2 through newly-increased solution pump B and newly-increased solution heat exchanger D, the concentrated solution of the second generator 2 enters the 3rd generator 3 through newly-increased solution heat exchanger D and the second solution heat exchanger 16, condenser 7 is entered through newly-increased choke valve C throttling after the refrigerant vapour heat release flowing through newly-increased generator A becomes cryogen liquid, form Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Figure 13 is achieved in that

In the Branch-cycle first-class absorption type heat pump shown in Figure 10, cryogen liquid pipeline there is is by the second generator 2 to be communicated with the 3rd generator 3 to be adjusted to the second generator 2 to have cryogen liquid pipeline to be communicated with the 3rd generator 3 through newly-increased generator A; The refrigerant vapour that generator 1 produces flows through and to flow through newly-increased generator A and the 3rd generator 3 after the second generator 2 heat release becomes cryogen liquid successively and progressively heat release cooling, enter evaporimeter 8 through choke valve 13 throttling again, forms Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Figure 14 is achieved in that

In the Branch-cycle first-class absorption type heat pump shown in Figure 11, cryogen liquid pipeline there is is by the second generator 2 to be communicated with the 3rd generator 3 to be adjusted to the second generator 2 to have cryogen liquid pipeline to be communicated with the 3rd generator 3 through newly-increased generator A; The refrigerant vapour that generator 1 produces flows through and to flow through newly-increased generator A and the 3rd generator 3 after the second generator 2 heat release becomes cryogen liquid successively and progressively heat release cooling, enter evaporimeter 8 through choke valve 13 throttling again, forms Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Figure 15 is achieved in that

In the Branch-cycle first-class absorption type heat pump shown in Figure 12, cryogen liquid pipeline there is is by the second generator 2 to be communicated with the 3rd generator 3 to be adjusted to the second generator 2 to have cryogen liquid pipeline to be communicated with the 3rd generator 3 through newly-increased generator A; The refrigerant vapour that generator 1 produces flows through and to flow through newly-increased generator A and the 3rd generator 3 after the second generator 2 heat release becomes cryogen liquid successively and progressively heat release cooling, enter evaporimeter 8 through choke valve 13 throttling again, forms Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Figure 16 is achieved in that

1. in structure, in the Branch-cycle first-class absorption type heat pump shown in Fig. 5, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber 5 weak solution pipeline to be communicated with the second generator 2 through the second solution pump 11 and the second solution heat exchanger 16 to be adjusted to the second absorber 5 and to have weak solution pipeline to be communicated with newly-increased generator A with the second solution heat exchanger 16 through the second solution pump 11, newly-increased generator A has concentrated solution pipeline to be communicated with the second generator 2 with newly-increased solution heat exchanger D through newly-increased solution pump B again, had by second generator 2 concentrated solution pipeline to be communicated with the 3rd generator 3 through the second solution heat exchanger 16 to be adjusted to the second generator 2 and to have concentrated solution pipeline to be communicated with the 3rd generator 3 with the second solution heat exchanger 16 through newly-increased solution heat exchanger D, after being had by second generator 2 refrigerant steam channel to be communicated with condenser 7 to be adjusted to the second generator 2 to have refrigerant steam channel to be communicated with newly-increased generator A, newly-increased generator A has cryogen liquid pipeline to be communicated with condenser 7 through newly-increased choke valve C again, newly-increased generator A also has refrigerant steam channel to be communicated with condenser 7.

Branch-cycle first-class absorption type heat pump shown in Figure 17 is achieved in that

In the Branch-cycle first-class absorption type heat pump shown in Figure 16, after being had by generator 1 refrigerant steam channel to be communicated with the 4th generator 19 the 4th generator 19 have again cryogen liquid pipeline through the 3rd generator 3 and choke valve 13 to be communicated with evaporimeter 8 be adjusted to generator 1 have refrigerant steam channel to be communicated with the 4th generator 19 after the 4th generator 19 have cryogen liquid pipeline again through the second generator 2, 3rd generator 3 is communicated with evaporimeter 8 with choke valve 13, after being had by 4th generator 19 refrigerant steam channel to be communicated with the second generator 2 second generator 2 have again cryogen liquid pipeline through the 3rd choke valve 21 to be communicated with evaporimeter 8 be adjusted to the 4th generator 19 have refrigerant steam channel to be communicated with the second generator 2 after the second generator 2 have cryogen liquid pipeline to be communicated with evaporimeter 8 with the 3rd choke valve 21 through the 3rd generator 3 again, the refrigerant vapour that generator 1 produces flow through the 4th generator 19 heat release become cryogen liquid after the second generator 2 and the 3rd generator 3 progressively heat release cooling and then enter evaporimeter 8 through choke valve 13 throttling successively again, the refrigerant vapour that 4th generator 19 produces flows through and to flow through the 3rd generator 3 heat release cooling after the second generator 2 heat release becomes cryogen liquid again and then enter evaporimeter 8 through the 3rd choke valve 21 throttling, forms Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Figure 18 is achieved in that

In the Branch-cycle first-class absorption type heat pump shown in Figure 16, after being had by generator 1 refrigerant steam channel to be communicated with the 4th generator 19, the 4th generator 19 has cryogen liquid pipeline to be communicated with evaporimeter 8 through the 3rd generator 3 and choke valve 13 to be adjusted to after generator 1 has refrigerant steam channel to be communicated with the 4th generator 19 that the 4th generator 19 has cryogen liquid pipeline through the second generator 2 again, increases generator A newly, the 3rd generator 3 is communicated with evaporimeter 8 with choke valve 13 again; The refrigerant vapour that generator 1 produces flows through the 4th generator 19 heat release and to become after cryogen liquid the second generator 2, newly-increased generator A and the 3rd generator 3 progressively heat release cooling successively again, and then enter evaporimeter 8 through choke valve 13 throttling, form Branch-cycle first-class absorption type heat pump.

Branch-cycle first-class absorption type heat pump shown in Figure 19 is achieved in that

In the Branch-cycle first-class absorption type heat pump shown in Figure 16, after being had by generator 1 refrigerant steam channel to be communicated with the 4th generator 19 the 4th generator 19 have again cryogen liquid pipeline through the 3rd generator 3 and choke valve 13 to be communicated with evaporimeter 8 be adjusted to generator 1 have refrigerant steam channel to be communicated with the 4th generator 19 after the 4th generator 19 have cryogen liquid pipeline again through the second generator 2, 3rd generator 3 is communicated with evaporimeter 8 with choke valve 13, after being had by 4th generator 19 refrigerant steam channel to be communicated with the second generator 2 second generator 2 have again cryogen liquid pipeline through the 3rd choke valve 21 to be communicated with evaporimeter 8 be adjusted to the 4th generator 19 have refrigerant steam channel to be communicated with the second generator 2 after the second generator 2 have cryogen liquid pipeline warp to increase generator A newly to be again communicated with evaporimeter 8 with the 3rd choke valve 21, the refrigerant vapour that generator 1 produces flow through the 4th generator 19 heat release become cryogen liquid after the second generator 2 and the 3rd generator 3 progressively heat release cooling and then enter evaporimeter 8 through choke valve 13 throttling successively again, the refrigerant vapour that 4th generator 19 produces flows through and to flow through newly-increased generator A heat release cooling after the second generator 2 heat release becomes cryogen liquid again and then enter evaporimeter 8 through the 3rd choke valve 21 reducing pressure by regulating flow, forms Branch-cycle first-class absorption type heat pump.

The effect that the technology of the present invention can realize---Branch-cycle first-class absorption type heat pump proposed by the invention has following effect and advantage:

1. Branch-cycle substep realize and utilize temperature drop, can adopt different operating solution, be conducive to driving thermal medium, selection between circulation solution and flow process and coupling, overcome the restriction of single working media, improve the temperature difference and utilize level.

2. the heat energy in cryogen liquid realizes deep exploitation by backheat flow process, is conducive to the effect and the raising low temperature heat rate that play high temperature driven heat further, is particularly suitable for the refrigerant medium that sensible heat is relatively high.

3. multiterminal heat supply, can adapt to the wider operating mode of heated medium range of temperature preferably, obtain rational thermodynamics consummating degree.

4. comprise single-action and supply thermal flow process for thermal flow process and economic benefits and social benefits, substep realizes the temperature difference and utilizes, and is conducive to the performance index and the thermodynamics consummating degree that improve circulation.

5. there is the flow process of backheat heat supply end, the deep exploitation of driving heat source can be realized or the lifting amplitude of waste heat supply temperature can be increased, improve heat utilization rate.

6. enriched the type of first-class absorption type heat pump, extended the range of application of first-class absorption type heat pump, be conducive to adopting first-class absorption type heat pump to utilize to realize the temperature difference better, improve utilization efficiency of heat energy.

Claims

1. Branch-cycle first-class absorption type heat pump, formed primarily of generator, the second generator, the 3rd generator, absorber, the second absorber, the 3rd absorber, condenser, evaporimeter, the second evaporimeter, solution pump, the second solution pump, the 3rd solution pump, choke valve, second throttle, solution heat exchanger, the second solution heat exchanger and the 3rd solution heat exchanger; Absorber (4) has weak solution pipeline to be communicated with generator (1) with solution heat exchanger (15) through solution pump (10), generator (1) also has concentrated solution pipeline to be communicated with absorber (4) through solution heat exchanger (15), after generator (1) also has refrigerant steam channel to be communicated with the second generator (2), the second generator (2) has cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through the 3rd generator (3) again, and evaporimeter (8) also has refrigerant steam channel to be communicated with absorber (4); 3rd absorber (6) has weak solution pipeline to be communicated with the second absorber (5) with the 3rd solution heat exchanger (17) through the 3rd solution pump (12), second absorber (5) also has weak solution pipeline to be communicated with the second generator (2) with the second solution heat exchanger (16) through the second solution pump (11), second generator (2) also has concentrated solution pipeline to be communicated with the 3rd generator (3) through the second solution heat exchanger (16), 3rd generator (3) also has concentrated solution pipeline to be communicated with the 3rd absorber (6) through the 3rd solution heat exchanger (17), second generator (2) also has refrigerant steam channel to be communicated with condenser (7), 3rd generator (3) also has refrigerant steam channel to be communicated with the second absorber (5), condenser (7) also has cryogen liquid pipeline to be communicated with the second evaporimeter (9) through second throttle (14), second evaporimeter (9) also has refrigerant steam channel to be communicated with the 3rd absorber (6), generator (1) also has driving heat medium pipeline and ft connection, absorber (4), the second absorber (5), the 3rd absorber (6) and condenser (7) also have heated medium pipeline and ft connection respectively, evaporimeter (8) and the second evaporimeter (9) also have surplus heat medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

2. Branch-cycle first-class absorption type heat pump, in Branch-cycle first-class absorption type heat pump according to claim 1, increase heat exchanger, had by 3rd generator (3) cryogen liquid pipeline to be communicated with evaporimeter (8) through choke valve (13) to be adjusted to the 3rd generator (3) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through heat exchanger (18), heat exchanger (18) also has heated medium pipeline and ft connection, forms Branch-cycle first-class absorption type heat pump.

3. Branch-cycle first-class absorption type heat pump, in Branch-cycle first-class absorption type heat pump according to claim 1, increase by the 4th generator, 4th solution pump, 3rd choke valve and the 4th solution heat exchanger, absorber (4) is set up weak solution pipeline and is communicated with the 4th generator (19) with the 4th solution heat exchanger (22) through the 4th solution pump (20), 4th generator (19) also has concentrated solution pipeline to be communicated with absorber (4) through the 4th solution heat exchanger (22), after being had by generator (1) refrigerant steam channel to be communicated with the second generator (2) the second generator (2) have again cryogen liquid pipeline through the 3rd generator (3) and choke valve (13) to be communicated with evaporimeter (8) be adjusted to generator (1) have refrigerant steam channel to be communicated with the 4th generator (19) after the 4th generator (19) have cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through the 3rd generator (3) again, after 4th generator (19) also has refrigerant steam channel to be communicated with the second generator (2), the second generator (2) has cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd choke valve (21) again, form Branch-cycle first-class absorption type heat pump.

4. Branch-cycle first-class absorption type heat pump, in Branch-cycle first-class absorption type heat pump according to claim 1, increase by the 4th generator, 3rd choke valve and the 4th solution heat exchanger, had by absorber (4) weak solution pipeline to be communicated with generator (1) through solution pump (10) and solution heat exchanger (15) to be adjusted to absorber (4) and to have weak solution pipeline through solution pump (10), 4th solution heat exchanger (22) is communicated with generator (1) with solution heat exchanger (15), had by generator (1) concentrated solution pipeline to be communicated with absorber (4) through solution heat exchanger (15) to be adjusted to generator (1) and to have concentrated solution pipeline to be communicated with the 4th generator (19) through solution heat exchanger (15), 4th generator (19) has concentrated solution pipeline to be communicated with absorber (4) through the 4th solution heat exchanger (22) again, after being had by generator (1) refrigerant steam channel to be communicated with the second generator (2) the second generator (2) have again cryogen liquid pipeline through the 3rd generator (3) and choke valve (13) to be communicated with evaporimeter (8) be adjusted to generator (1) have refrigerant steam channel to be communicated with the 4th generator (19) after the 4th generator (19) have cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through the 3rd generator (3) again, after 4th generator (19) also has refrigerant steam channel to be communicated with the second generator (2), the second generator (2) has cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd choke valve (21) again, form Branch-cycle first-class absorption type heat pump.

5. Branch-cycle first-class absorption type heat pump, in Branch-cycle first-class absorption type heat pump according to claim 1, increase by the 4th generator, 4th solution pump, 3rd choke valve and the 4th solution heat exchanger, had by absorber (4) weak solution pipeline to be communicated with generator (1) through solution pump (10) and solution heat exchanger (15) to be adjusted to absorber (4) and to have weak solution pipeline to be communicated with the 4th generator (19) with solution heat exchanger (15) through solution pump (10), 4th generator (19) has concentrated solution pipeline to be communicated with generator (1) with the 4th solution heat exchanger (22) through the 4th solution pump (20) again, had by generator (1) concentrated solution pipeline to be communicated with absorber (4) through solution heat exchanger (15) to be adjusted to generator (1) and to have concentrated solution pipeline to be communicated with absorber (4) with solution heat exchanger (15) through the 4th solution heat exchanger (22), after being had by generator (1) refrigerant steam channel to be communicated with the second generator (2) the second generator (2) have again cryogen liquid pipeline through the 3rd generator (3) and choke valve (13) to be communicated with evaporimeter (8) be adjusted to generator (1) have refrigerant steam channel to be communicated with the 4th generator (19) after the 4th generator (19) have cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through the 3rd generator (3) again, after 4th generator (19) also has refrigerant steam channel to be communicated with the second generator (2), the second generator (2) has cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd choke valve (21) again, form Branch-cycle first-class absorption type heat pump.

6. Branch-cycle first-class absorption type heat pump, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 3-5, being had by 4th generator (19) cryogen liquid pipeline to be communicated with the 3rd generator (3) to be adjusted to the 4th generator (19) has cryogen liquid pipeline to be communicated with the 3rd generator (3) through the second generator (2), forms Branch-cycle first-class absorption type heat pump.

7. Branch-cycle first-class absorption type heat pump, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 3-6, there is by second generator (2) cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd choke valve (21) to be adjusted to the second generator (2) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with the 3rd choke valve (21) through the 3rd generator (3), form Branch-cycle first-class absorption type heat pump.

8. Branch-cycle first-class absorption type heat pump, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 3-6, increase heat exchanger and the second heat exchanger, had by 3rd generator (3) cryogen liquid pipeline to be communicated with evaporimeter (8) through choke valve (13) to be adjusted to the 3rd generator (3) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through heat exchanger (18), had by second generator (2) cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd choke valve (21) to be adjusted to the second generator (2) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with the 3rd choke valve (21) through the second heat exchanger (23), heat exchanger (18) and the second heat exchanger (23) also have heated medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

9. Branch-cycle first-class absorption type heat pump, in arbitrary Branch-cycle first-class absorption type heat pump according to claim 7, increase heat exchanger and the second heat exchanger, had by 3rd generator (3) cryogen liquid pipeline to be communicated with evaporimeter (8) through choke valve (13) to be adjusted to the 3rd generator (3) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through heat exchanger (18), had by 3rd generator (3) cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd choke valve (21) to be adjusted to the 3rd generator (3) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with the 3rd choke valve (21) through the second heat exchanger (23), heat exchanger (18) and the second heat exchanger (23) also have heated medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

10. Branch-cycle first-class absorption type heat pump, in Branch-cycle first-class absorption type heat pump according to claim 1, increase by the 4th generator, 4th absorber, 4th solution pump and the 4th solution heat exchanger, after being had by generator (1) refrigerant steam channel to be communicated with the second generator (2), the second generator (2) has cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd generator (3) and choke valve (13) to be adjusted to generator (1) and to have refrigerant steam channel to be communicated with the 4th absorber (24) again, 4th absorber (24) also has weak solution pipeline to be communicated with the 4th generator (19) with the 4th solution heat exchanger (22) through the 4th solution pump (20), 4th generator (19) also has concentrated solution pipeline to be communicated with the 4th absorber (24) through the 4th solution heat exchanger (22), after 4th generator (19) also has refrigerant steam channel to be communicated with the second generator (2), the second generator (2) has cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through the 3rd generator (3) again, 4th generator (19) also has driving heat medium pipeline and ft connection, 4th absorber (24) also has heated medium pipeline and ft connection, form Branch-cycle first-class absorption type heat pump.

11. Branch-cycle first-class absorption type heat pumps, in Branch-cycle first-class absorption type heat pump according to claim 10, increase heat exchanger, had by second generator (2) cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd generator (3) and choke valve (13) to be adjusted to the second generator (2) and to have cryogen liquid pipeline through the 3rd generator (3), heat exchanger (18) is communicated with evaporimeter (8) with choke valve (13), heat exchanger (18) also has heated medium pipeline and ft connection, form Branch-cycle first-class absorption type heat pump.

12. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 1-2, increase by the 4th generator, 4th absorber, 4th solution pump and the 4th solution heat exchanger, had by absorber (4) weak solution pipeline to be communicated with generator (1) through solution pump (10) and solution heat exchanger (15) to be adjusted to absorber (4) and to have weak solution pipeline to be communicated with the 4th absorber (24) with the 4th solution heat exchanger (22) through solution pump (10), 4th absorber (24) has weak solution pipeline to be communicated with generator (1) with solution heat exchanger (15) through the 4th solution pump (20) again, had by generator (1) concentrated solution pipeline to be communicated with absorber (4) through solution heat exchanger (15) to be adjusted to generator (1) and to have concentrated solution pipeline to be communicated with the 4th generator (19) through solution heat exchanger (15), 4th generator (19) has concentrated solution pipeline to be communicated with absorber (4) through the 4th solution heat exchanger (22) again, 4th generator (19) also has refrigerant steam channel to be communicated with the 4th absorber (24), 4th generator (19) also has driving heat medium pipeline and ft connection, 4th absorber (24) also has heated medium pipeline and ft connection, form Branch-cycle first-class absorption type heat pump.

13. Branch-cycle first-class absorption type heat pumps, at claim 1-2, in arbitrary Branch-cycle first-class absorption type heat pump described in 10-12, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, second absorber (5) is set up weak solution pipeline and is communicated with newly-increased generator (A) with newly-increased solution heat exchanger (D) through newly-increased solution pump (B), newly-increased generator (A) also has concentrated solution pipeline to be communicated with the 3rd generator (3) through newly-increased solution heat exchanger (D), after being had by second generator (2) refrigerant steam channel to be communicated with condenser (7) to be adjusted to the second generator (2) to have refrigerant steam channel to be communicated with newly-increased generator (A), newly-increased generator (A) has cryogen liquid pipeline to be communicated with condenser (7) through newly-increased choke valve (C) again, newly-increased generator (A) also has refrigerant steam channel to be communicated with condenser (7), form Branch-cycle first-class absorption type heat pump.

14. Branch-cycle first-class absorption type heat pumps, at claim 1-2, in arbitrary Branch-cycle first-class absorption type heat pump described in 10-12, increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber (5) weak solution pipeline to be communicated with the second generator (2) through the second solution pump (11) and the second solution heat exchanger (16) to be adjusted to the second absorber (5) and to have weak solution pipeline through the second solution pump (11), newly-increased solution heat exchanger (D) is communicated with the second generator (2) with the second solution heat exchanger (16), had by second generator (2) concentrated solution pipeline to be communicated with the 3rd generator (3) through the second solution heat exchanger (16) to be adjusted to the second generator (2) and to have concentrated solution pipeline to be communicated with newly-increased generator (A) through the second solution heat exchanger (16), newly-increased generator (A) has concentrated solution pipeline to be communicated with the 3rd generator (3) through newly-increased solution heat exchanger (D) again, after being had by second generator (2) refrigerant steam channel to be communicated with condenser (7) to be adjusted to the second generator (2) to have refrigerant steam channel to be communicated with newly-increased generator (A), newly-increased generator (A) has cryogen liquid pipeline to be communicated with condenser (7) through newly-increased choke valve (C) again, newly-increased generator (A) also has refrigerant steam channel to be communicated with condenser (7), form Branch-cycle first-class absorption type heat pump.

15. Branch-cycle first-class absorption type heat pumps, at claim 1-2, in arbitrary Branch-cycle first-class absorption type heat pump described in 10-12, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber (5) weak solution pipeline to be communicated with the second generator (2) through the second solution pump (11) and the second solution heat exchanger (16) to be adjusted to the second absorber (5) and to have weak solution pipeline to be communicated with newly-increased generator (A) with the second solution heat exchanger (16) through the second solution pump (11), newly-increased generator (A) has concentrated solution pipeline to be communicated with the second generator (2) with newly-increased solution heat exchanger (D) through newly-increased solution pump (B) again, had by second generator (2) concentrated solution pipeline to be communicated with the 3rd generator (3) through the second solution heat exchanger (16) to be adjusted to the second generator (2) and to have concentrated solution pipeline to be communicated with the 3rd generator (3) with the second solution heat exchanger (16) through newly-increased solution heat exchanger (D), after being had by second generator (2) refrigerant steam channel to be communicated with condenser (7) to be adjusted to the second generator (2) to have refrigerant steam channel to be communicated with newly-increased generator (A), newly-increased generator (A) has cryogen liquid pipeline to be communicated with condenser (7) through newly-increased choke valve (C) again, newly-increased generator (A) also has refrigerant steam channel to be communicated with condenser (7), form Branch-cycle first-class absorption type heat pump.

16. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 13-15, cryogen liquid pipeline there is is by second generator (2) to be communicated with the 3rd generator (3) to be adjusted to the second generator (2) to have cryogen liquid pipeline to be communicated with the 3rd generator (3) through newly-increased generator (A), formation Branch-cycle first-class absorption type heat pump.

17. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 3-5, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, second absorber (5) is set up weak solution pipeline and is communicated with newly-increased generator (A) with newly-increased solution heat exchanger (D) through newly-increased solution pump (B), newly-increased generator (A) also has concentrated solution pipeline to be communicated with the 3rd generator (3) through newly-increased solution heat exchanger (D), after being had by second generator (2) refrigerant steam channel to be communicated with condenser (7) to be adjusted to the second generator (2) to have refrigerant steam channel to be communicated with newly-increased generator (A), newly-increased generator (A) has cryogen liquid pipeline to be communicated with condenser (7) through newly-increased choke valve (C) again, newly-increased generator (A) also has refrigerant steam channel to be communicated with condenser (7), form Branch-cycle first-class absorption type heat pump.

18. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 3-5, increase newly-increased generator, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber (5) weak solution pipeline to be communicated with the second generator (2) through the second solution pump (11) and the second solution heat exchanger (16) to be adjusted to the second absorber (5) and to have weak solution pipeline through the second solution pump (11), newly-increased solution heat exchanger (D) is communicated with the second generator (2) with the second solution heat exchanger (16), had by second generator (2) concentrated solution pipeline to be communicated with the 3rd generator (3) through the second solution heat exchanger (16) to be adjusted to the second generator (2) and to have concentrated solution pipeline to be communicated with newly-increased generator (A) through the second solution heat exchanger (16), newly-increased generator (A) has concentrated solution pipeline to be communicated with the 3rd generator (3) through newly-increased solution heat exchanger (D) again, after being had by second generator (2) refrigerant steam channel to be communicated with condenser (7) to be adjusted to the second generator (2) to have refrigerant steam channel to be communicated with newly-increased generator (A), newly-increased generator (A) has cryogen liquid pipeline to be communicated with condenser (7) through newly-increased choke valve (C) again, newly-increased generator (A) also has refrigerant steam channel to be communicated with condenser (7), form Branch-cycle first-class absorption type heat pump.

19. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 3-5, increase newly-increased generator, newly-increased solution pump, newly-increased choke valve and newly-increased solution heat exchanger, had by second absorber (5) weak solution pipeline to be communicated with the second generator (2) through the second solution pump (11) and the second solution heat exchanger (16) to be adjusted to the second absorber (5) and to have weak solution pipeline to be communicated with newly-increased generator (A) with the second solution heat exchanger (16) through the second solution pump (11), newly-increased generator (A) has concentrated solution pipeline to be communicated with the second generator (2) with newly-increased solution heat exchanger (D) through newly-increased solution pump (B) again, had by second generator (2) concentrated solution pipeline to be communicated with the 3rd generator (3) through the second solution heat exchanger (16) to be adjusted to the second generator (2) and to have concentrated solution pipeline to be communicated with the 3rd generator (3) with the second solution heat exchanger (16) through newly-increased solution heat exchanger (D), after being had by second generator (2) refrigerant steam channel to be communicated with condenser (7) to be adjusted to the second generator (2) to have refrigerant steam channel to be communicated with newly-increased generator (A), newly-increased generator (A) has cryogen liquid pipeline to be communicated with condenser (7) through newly-increased choke valve (C) again, newly-increased generator (A) also has refrigerant steam channel to be communicated with condenser (7), form Branch-cycle first-class absorption type heat pump.

20. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 17-19, after being had by generator (1) refrigerant steam channel to be communicated with the 4th generator (19) the 4th generator (19) have again cryogen liquid pipeline through the 3rd generator (3) and choke valve (13) to be communicated with evaporimeter (8) be adjusted to generator (1) have refrigerant steam channel to be communicated with the 4th generator (19) after the 4th generator (19) have cryogen liquid pipeline again through the second generator (2), 3rd generator (3) is communicated with evaporimeter (8) with choke valve (13), form Branch-cycle first-class absorption type heat pump.

21. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 17-19, after being had by generator (1) refrigerant steam channel to be communicated with the 4th generator (19) the 4th generator (19) have again cryogen liquid pipeline through the 3rd generator (3) and choke valve (13) to be communicated with evaporimeter (8) be adjusted to generator (1) have refrigerant steam channel to be communicated with the 4th generator (19) after the 4th generator (19) have cryogen liquid pipeline again through the second generator (2), newly-increased generator (A), 3rd generator (3) is communicated with evaporimeter (8) with choke valve (13), form Branch-cycle first-class absorption type heat pump.

22. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 17-21, increase heat exchanger and the second heat exchanger, had by 3rd generator (3) cryogen liquid pipeline to be communicated with evaporimeter (8) through choke valve (13) to be adjusted to the 3rd generator (3) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through heat exchanger (18), had by second generator (2) cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd choke valve (21) to be adjusted to the second generator (2) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with the 3rd choke valve (21) through the second heat exchanger (23), heat exchanger (18) and the second heat exchanger (23) also have heated medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

23. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 17-21, after being had by 4th generator (19) refrigerant steam channel to be communicated with the second generator (2) the second generator (2) have again cryogen liquid pipeline through the 3rd choke valve (21) to be communicated with evaporimeter (8) be adjusted to the 4th generator (19) have refrigerant steam channel to be communicated with the second generator (2) after the second generator (2) have cryogen liquid pipeline warp to increase generator (A) newly to be again communicated with evaporimeter (8) with the 3rd choke valve (21), form Branch-cycle first-class absorption type heat pump.

24. Branch-cycle first-class absorption type heat pumps, in arbitrary Branch-cycle first-class absorption type heat pump according to claim 23, increase heat exchanger and the second heat exchanger, had by 3rd generator (3) cryogen liquid pipeline to be communicated with evaporimeter (8) through choke valve (13) to be adjusted to the 3rd generator (3) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through heat exchanger (18), generator (A) will be increased newly have cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd choke valve (21) to be adjusted to newly-increased generator (A) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with the 3rd choke valve (21) through the second heat exchanger (23), heat exchanger (18) and the second heat exchanger (23) also have heated medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

25. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 17-21, after being had by 4th generator (19) refrigerant steam channel to be communicated with the second generator (2) the second generator (2) have again cryogen liquid pipeline through the 3rd choke valve (21) to be communicated with evaporimeter (8) be adjusted to the 4th generator (19) have refrigerant steam channel to be communicated with the second generator (2) after the second generator (2) have cryogen liquid pipeline to be communicated with evaporimeter (8) with the 3rd choke valve (21) through the 3rd generator (3) again, form Branch-cycle first-class absorption type heat pump.

26. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 17-21, after being had by 4th generator (19) refrigerant steam channel to be communicated with the second generator (2) the second generator (2) have again cryogen liquid pipeline through the 3rd choke valve (21) to be communicated with evaporimeter (8) be adjusted to the 4th generator (19) have refrigerant steam channel to be communicated with the second generator (2) after the second generator (2) have cryogen liquid pipeline warp to increase generator (A) newly again, 3rd generator (3) is communicated with evaporimeter (8) with the 3rd choke valve (21), form Branch-cycle first-class absorption type heat pump.

27. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 25-26, increase heat exchanger and the second heat exchanger, had by 3rd generator (3) cryogen liquid pipeline to be communicated with evaporimeter (8) through choke valve (13) to be adjusted to the 3rd generator (3) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with choke valve (13) through heat exchanger (18), had by 3rd generator (3) cryogen liquid pipeline to be communicated with evaporimeter (8) through the 3rd choke valve (21) to be adjusted to the 3rd generator (3) and to have cryogen liquid pipeline to be communicated with evaporimeter (8) with the 3rd choke valve (21) through the second heat exchanger (23), heat exchanger (18) and the second heat exchanger (23) also have heated medium pipeline and ft connection respectively, form Branch-cycle first-class absorption type heat pump.

28. Branch-cycle first-class absorption type heat pumps, in the arbitrary Branch-cycle first-class absorption type heat pump described in claim 1-27, evaporimeter (8) and the second evaporimeter (9) are united two into one, forms Branch-cycle first-class absorption type heat pump.