CN107388618B

CN107388618B - Combined heat and power system

Info

Publication number: CN107388618B
Application number: CN201710530699.6A
Authority: CN
Inventors: 李华玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-27
Filing date: 2017-06-24
Publication date: 2019-12-13
Anticipated expiration: 2037-06-24
Also published as: CN107388618A

Abstract

The invention provides a heat and power combined supply system, and belongs to the technical field of heat and power combined supply and heat pumps. The absorber, the generator, the second generator, the condenser, the second condenser, the solution pump, the second solution pump, the solution heat exchanger and the second solution heat exchanger form an absorption type solution circulation flow; the power machine is respectively provided with a new steam channel and a steam exhaust channel which are communicated with the outside, the power machine provides low-temperature heat load for the second generator through the steam exhaust channel, the power machine provides steam for the absorber through the first steam channel, the generator is provided with a high-temperature heat medium channel, the absorber and the condenser are provided with heated medium channels, the second condenser is provided with a cooling medium channel which is communicated with the outside, the second generator is provided with a condensate channel which is communicated with the outside, and the condenser and the second condenser are respectively provided with condensate channels which are communicated with the outside to form a heat and power combined supply system.

Description

combined heat and power system

The technical field is as follows:

The invention belongs to the technical field of combined heat and power and absorption heat pumps.

Background art:

In the steam power device, although the temperature difference between the exhausted steam of the power machine and the environment is small, the heat is huge, the winter is particularly good, and the temperature difference between the low-pressure exhausted steam exhausted by the steam power device and the environment is often difficult to utilize; in the steam power device using coal as fuel, a heat transfer temperature difference which is difficult to effectively utilize exists between fuel gas and power circulation steam, so that the comprehensive energy utilization rate of the heat and power cogeneration system is not high, and certain limitation is brought to the utilization of clean energy in the heat and power cogeneration system.

The invention provides a series of heat-power combined supply systems which take exhaust steam or low-pressure extracted steam at the tail end of a power machine as a low-temperature heat source and combine an absorption heat pump technology on the premise of high-efficiency utilization of heat energy, take full use of the temperature difference between exhaust steam or low-pressure steam of the power machine and the environment as a core, take the improvement of the working safety of the power machine and the efficiency of converting heat energy into mechanical energy into consideration, and take the application of clean energy in a heat-power combined supply system into consideration.

the invention content is as follows:

The invention mainly aims to provide a combined heat and power system, and the specific contents of the invention are explained as follows:

1. the heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine has new steam channel connected to outside, the power machine or the steam exhaust channel connected to outside, the second generator with condensate channel connected to outside after the steam exhaust channel connected to the second generator, the steam exhaust channel connected to the absorber, the absorber with dilute solution pipeline connected to the generator via solution pump and solution heat exchanger, the generator with concentrated solution pipeline connected to the second generator via solution heat exchanger and second solution heat exchanger, the second generator with concentrated solution pipeline connected to the absorber via second solution pump and second solution heat exchanger, the generator with steam channel connected to the condenser, the second generator with steam channel connected to the second condenser with condensate pipeline connected to outside, the absorber and the condenser with heated medium channel connected to outside, the second condenser is also provided with a cooling medium channel communicated with the outside, and the generator is also provided with a high-temperature heat medium channel communicated with the outside to form a heat power combined supply system.

2. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine has new steam channel connected to outside, exhaust channel connected to outside, first steam channel connected to the second generator, condensate channel connected to the second generator, first steam channel connected to the absorber, dilute solution pipeline connected to the generator via solution pump and solution heat exchanger, concentrated solution pipeline connected to the second generator via solution heat exchanger and second solution heat exchanger, concentrated solution pipeline connected to the absorber via second solution pump and second solution heat exchanger, steam channel connected to the condenser, steam channel connected to the second condenser, condensate pipeline connected to outside, condensate pipeline connected to the second condenser, and heated medium channel connected to the absorber and the condenser, the second condenser is also provided with a cooling medium channel communicated with the outside, and the generator is also provided with a high-temperature heat medium channel communicated with the outside to form a heat power combined supply system.

3. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine has new steam channel connected to outside, the power machine or the steam exhaust channel connected to outside, the second generator with condensate channel connected to outside after the steam exhaust channel connected to the second generator, the first steam channel connected to the absorber, the absorber with dilute solution pipeline connected to the generator via solution pump and solution heat exchanger, the generator with concentrated solution pipeline connected to the second generator via solution heat exchanger and second solution heat exchanger, the second generator with concentrated solution pipeline connected to the absorber via second solution pump and second solution heat exchanger, the generator with steam channel connected to the condenser, the second generator with steam channel connected to the second condenser with condensate pipeline connected to outside, the absorber and the condenser with heated medium channel connected to outside, the second condenser is also provided with a cooling medium channel communicated with the outside, and the generator is also provided with a high-temperature heat medium channel communicated with the outside to form a heat power combined supply system.

4. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine has new steam channel connected to outside, exhaust channel connected to outside, first steam channel connected to the second generator, condensate channel connected to the second generator, second steam channel connected to the absorber, dilute solution pipeline connected to the generator via solution pump and solution heat exchanger, concentrated solution pipeline connected to the second generator via solution heat exchanger and second solution heat exchanger, concentrated solution pipeline connected to the absorber via second solution pump and second solution heat exchanger, steam channel connected to the condenser, steam channel connected to the second condenser, condensate pipeline connected to outside, condensate pipeline connected to the second condenser, and heated medium channel connected to the absorber and the condenser, the second condenser is also provided with a cooling medium channel communicated with the outside, and the generator is also provided with a high-temperature heat medium channel communicated with the outside to form a heat power combined supply system.

5. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine has new steam channel connected to outside, the power machine or the steam exhaust channel connected to outside, the steam exhaust channel connected to the second generator, the condensate channel connected to the second generator, the steam exhaust channel connected to the absorber, the dilute solution pipeline connected to the generator via the solution pump and the solution heat exchanger, the concentrated solution pipeline connected to the second generator via the solution heat exchanger and the second solution heat exchanger, the concentrated solution pipeline connected to the absorber via the second generator and the second solution heat exchanger, the steam channel connected to the condenser, the steam channel connected to the second condenser, the condensate pipeline connected to the outside via the second generator, the condensate pipeline connected to the outside, the heated medium channel connected to the absorber and the condenser, the second condenser is also provided with a cooling medium channel communicated with the outside, and the generator is also provided with a high-temperature heat medium channel communicated with the outside to form a heat power combined supply system.

6. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine has a new steam channel communicated with the outside, a steam exhaust channel communicated with the outside, a first steam channel communicated with a second generator, a condensate channel communicated with the outside, a first steam channel communicated with an absorber, a dilute solution pipeline communicated with the generator via a solution pump and a solution heat exchanger, a concentrated solution pipeline communicated with the second generator via the solution heat exchanger and a second solution heat exchanger, a concentrated solution pipeline communicated with the absorber via a second solution pump and a second solution heat exchanger, a steam channel communicated with a condenser, a steam channel communicated with a second condenser, a condensate pipeline communicated with the outside via the second generator, and a condensate pipeline communicated with the outside, the absorber and the condenser are also respectively communicated with the outside through a heated medium channel, the second condenser is also communicated with the outside through a cooling medium channel, and the generator is also communicated with the outside through a high-temperature heat medium channel to form a heat and power combined supply system.

7. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine has new steam channel connected to outside, the power machine or the steam exhaust channel connected to outside, the steam exhaust channel connected to the second generator, the condensate channel connected to the second generator, the first steam channel connected to the absorber, the dilute solution pipeline connected to the generator via the solution pump and the solution heat exchanger, the concentrated solution pipeline connected to the second generator via the solution heat exchanger and the second solution heat exchanger, the concentrated solution pipeline connected to the absorber via the second solution pump and the second solution heat exchanger, the steam channel connected to the condenser, the steam channel connected to the second condenser, the condensate pipeline connected to the outside via the second generator, and the condensate pipeline connected to the outside, the absorber and the condenser are also respectively communicated with the outside through a heated medium channel, the second condenser is also communicated with the outside through a cooling medium channel, and the generator is also communicated with the outside through a high-temperature heat medium channel to form a heat and power combined supply system.

8. the heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine has a new steam channel communicated with the outside, a steam exhaust channel communicated with the outside, a first steam channel communicated with a second generator, a condensate channel communicated with the outside, a second steam channel communicated with an absorber, a dilute solution pipeline communicated with the generator via a solution pump and a solution heat exchanger, a concentrated solution pipeline communicated with the second generator via the solution heat exchanger and the second solution heat exchanger, a concentrated solution pipeline communicated with the absorber via the second solution pump and the second solution heat exchanger, a steam channel communicated with a condenser, a steam channel communicated with a second condenser, a condensate pipeline communicated with the outside via the second generator, and a condensate pipeline communicated with the outside, the absorber and the condenser are also respectively communicated with the outside through a heated medium channel, the second condenser is also communicated with the outside through a cooling medium channel, and the generator is also communicated with the outside through a high-temperature heat medium channel to form a heat and power combined supply system.

9. A combined heat power supply system, wherein a third generator, a second absorber, a third solution pump and a third solution heat exchanger are added in any one of the combined heat power supply systems described in items 1-8, the absorber is provided with a dilute solution pipeline communicated with the generator through the solution pump and the solution heat exchanger, the absorber is provided with a dilute solution pipeline communicated with the second absorber through the solution pump and the solution heat exchanger, the second absorber is further provided with a dilute solution pipeline communicated with the generator through the third solution pump and the third solution heat exchanger, the generator is provided with a concentrated solution pipeline communicated with the second generator through the solution heat exchanger and the second solution heat exchanger, the generator is provided with a concentrated solution pipeline communicated with the third generator through the third solution heat exchanger, the third generator is further provided with a concentrated solution pipeline communicated with the second generator through the solution heat exchanger and the second solution heat exchanger, and a steam channel communicated with the second absorber, the third generator is also provided with a high-temperature heat medium channel communicated with the outside, and the second absorber is also provided with a heated medium channel communicated with the outside to form a combined heat and power system.

10. A combined heat and power system, wherein a third generator, a second absorber, a third solution pump and a third solution heat exchanger are added in any one of the combined heat and power systems of items 1-8, the generator is provided with a steam passage communicated with a condenser, the generator is provided with a steam passage communicated with the second absorber, the second absorber is also provided with a dilute solution pipeline communicated with the third generator through the third solution pump and the third solution heat exchanger, the third generator is also provided with a concentrated solution pipeline communicated with the second absorber through the third solution heat exchanger, the third generator is also provided with a steam passage communicated with the condenser, the third generator is also provided with a high-temperature heat medium passage communicated with the outside, and the second absorber is also provided with a heated medium passage communicated with the outside to form the combined heat and power system.

11. A combined heat and power system is characterized in that a third generator, a third solution pump, a third solution heat exchanger and a throttle valve are added in any one of the combined heat and power systems of items 1-4, a dilute solution pipeline is additionally arranged on an absorber and is communicated with the third generator through the third solution pump and the third solution heat exchanger, a concentrated solution pipeline is also further arranged on the third generator and is communicated with the second generator through the third solution heat exchanger and the second solution heat exchanger, the steam channel of the generator is communicated with a condenser, the third generator is communicated with the condenser through the throttle valve after the steam channel of the generator is communicated with the third generator, and the steam channel of the third generator is communicated with the condenser to form the combined heat and power system.

12. A combined heat and power system, wherein a third generator, a third solution heat exchanger and a throttle valve are added in any one of the combined heat and power systems of items 1 to 4, a dilute solution pipeline of an absorber is communicated with the generator through a solution pump and a solution heat exchanger and is adjusted to be communicated with the generator through a dilute solution pipeline of the absorber through the solution pump, the solution heat exchanger and the third solution heat exchanger, a concentrated solution pipeline of the generator is adjusted to be communicated with the second generator through the solution heat exchanger and the second solution heat exchanger, a concentrated solution pipeline of the generator is communicated with the third generator through the third solution heat exchanger, the third generator is further communicated with the second generator through the solution heat exchanger and the second solution heat exchanger, the generator is adjusted to be communicated with a condenser through a vapor channel, and then the third generator is further communicated with the condenser through the throttle valve, the third generator is also communicated with the condenser through a steam channel to form a combined heat and power system.

13. A combined heat and power system comprising a third generator, a third solution pump, a third solution heat exchanger and a throttle valve, wherein the absorber is provided with a dilute solution pipeline communicated with the generator through the solution pump and the solution heat exchanger, the absorber is provided with a dilute solution pipeline communicated with the third generator through the solution pump and the solution heat exchanger, the third generator is further provided with a concentrated solution pipeline communicated with the generator through the third solution pump and the third solution heat exchanger, the generator is provided with a concentrated solution pipeline communicated with the second generator through the solution heat exchanger and the second solution heat exchanger, the generator is provided with a concentrated solution pipeline communicated with the second generator through the third solution heat exchanger, the solution heat exchanger and the second solution heat exchanger, the generator is provided with a vapor passage communicated with the condenser, the generator is provided with a vapor passage communicated with the third generator, and then the third generator is provided with a condensed solution pipeline communicated with the condenser through the throttle valve The third generator is also communicated with the condenser through a steam channel to form a combined heat and power system.

14. A combined heat and power system is characterized in that a third generator, a third solution pump, a third solution heat exchanger and a heat supplier are additionally arranged in any one of the combined heat and power systems of items 5 to 8, a dilute solution pipeline is additionally arranged on an absorber and is communicated with the third generator through the third solution pump and the third solution heat exchanger, a concentrated solution pipeline is also arranged on the third generator and is communicated with the second generator through the third solution heat exchanger and the second solution heat exchanger, the steam channel of the generator is communicated with a condenser, the steam channel of the generator is adjusted to be communicated with the third generator, then a condensate pipeline of the third generator is communicated with the outside through the heat supplier and the second generator, the steam channel of the third generator is communicated with the condenser, and a heated medium channel of the heat supplier is communicated with the outside to form the combined heat and power system.

15. a combined heat and power system, wherein a third generator, a third solution heat exchanger and a heat supplier are added in any one of the combined heat and power systems of items 5 to 8, a dilute solution pipeline of an absorber is communicated with the generator through a solution pump and a solution heat exchanger and is adjusted to be communicated with the generator through a dilute solution pipeline of the absorber through the solution pump, the solution heat exchanger and the third solution heat exchanger, a concentrated solution pipeline of the generator is communicated with the second generator through the solution heat exchanger and the second solution heat exchanger and is adjusted to be communicated with the generator through a concentrated solution pipeline of the generator through the third solution heat exchanger and is communicated with the third generator, a concentrated solution pipeline of the third generator is communicated with the second generator through the solution heat exchanger and the second solution heat exchanger, the generator is communicated with a condenser through a steam channel, and is adjusted to be communicated with the third generator through the heat supplier and the second generator, the third generator is also provided with a steam channel communicated with the condenser, and the heat supply device is also provided with a heated medium channel communicated with the outside to form a heat and power combined supply system.

16. A combined heat and power system as described in any of the items 5-8, wherein a third generator, a third solution pump, a third solution heat exchanger and a heat supply device are added, the absorber is provided with a dilute solution pipeline which is communicated with the generator through the solution pump and the solution heat exchanger, the absorber is provided with a dilute solution pipeline which is communicated with the third generator through the solution pump and the solution heat exchanger, the third generator is further provided with a concentrated solution pipeline which is communicated with the generator through the third solution pump and the third solution heat exchanger, the generator is provided with a concentrated solution pipeline which is communicated with the second generator through the solution heat exchanger and the second solution heat exchanger, the generator is provided with a concentrated solution pipeline which is communicated with the second generator through the third solution heat exchanger, the solution heat exchanger and the second solution heat exchanger, the generator is provided with a steam passage which is communicated with the condenser, the generator is provided with a steam passage which is communicated with the third generator, and then the third generator is further provided with a condensate pipeline which is communicated with the third generator through the heat supply device and the second The third generator is also communicated with the outside through a steam channel, and the heat supplier is also communicated with the outside through a heated medium channel to form a heat and power combined supply system.

17. The combined heat and power system is characterized in that in any one of the combined heat and power systems described in the 11 th to 16 th items, a high-temperature heat medium channel is additionally arranged on the third generator to be communicated with the outside to form the combined heat and power system.

18. A combined heat and power system is characterized in that a third generator, a second absorber and a third solution heat exchanger are added in any one of the combined heat and power systems 1 and 3, a dilute solution pipeline of the absorber is communicated with the generator through a solution pump and a solution heat exchanger and is adjusted to be communicated with the generator through a dilute solution pipeline of the absorber through the third solution heat exchanger and the second absorber, a dilute solution pipeline of the second absorber is communicated with the generator through the solution pump and the solution heat exchanger, a concentrated solution pipeline of the second generator is communicated with the absorber through the second solution pump and the second solution heat exchanger and is adjusted to be communicated with the absorber through a concentrated solution pipeline of the second generator through the second solution heat exchanger and the third generator, a concentrated solution pipeline of the third generator is communicated with the absorber through the second solution pump and the third solution heat exchanger, a steam exhaust channel of the power machine is communicated with the second generator, a condensate channel of the second generator is communicated with the outside through the steam exhaust channel of the power machine and is adjusted to be communicated with the steam exhaust channel of the power The third generator is communicated with the outside through a condensate passage, the third generator is communicated with the second absorber through a steam passage, and the second absorber is communicated with the outside through a cooling medium passage to form a combined heat and power system; or the steam exhaust channel of the power machine is communicated with the second generator, then the condensate channel of the second generator is communicated with the outside, and the steam exhaust channel of the power machine is communicated with the third generator and the second generator in sequence, then the condensate channel of the second generator is communicated with the outside.

19. A combined heat and power system as described in any of the items 2 and 4, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber is provided with a dilute solution pipeline communicated with the generator through a solution pump and a solution heat exchanger, the absorber is provided with a dilute solution pipeline communicated with the second absorber through the third solution heat exchanger, the second absorber is further provided with a dilute solution pipeline communicated with the generator through a solution pump and a solution heat exchanger, the second generator is provided with a concentrated solution pipeline communicated with the absorber through a second solution pump and a second solution heat exchanger, the second generator is provided with a concentrated solution pipeline communicated with the third generator through a second solution heat exchanger, the third generator is further provided with a concentrated solution pipeline communicated with the absorber through a second solution pump and a third solution heat exchanger, the power machine is provided with a first steam channel communicated with the second generator, then the second generator is further provided with a condensate channel communicated with the outside, and the power machine is adjusted to be provided with a first steam channel After the second generator and the third generator are sequentially communicated, a condensate passage of the third generator is communicated with the outside, a steam passage of the third generator is communicated with the second absorber, and a cooling medium passage of the second absorber is communicated with the outside to form a heat and power combined supply system; or the steam exhaust channel of the power machine is communicated with the second generator, then the condensate channel of the second generator is communicated with the outside, and the steam exhaust channel of the power machine is communicated with the third generator and the second generator in sequence, then the condensate channel of the second generator is communicated with the outside.

20. a combined heat and power system as described in claim 4, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber is provided with a dilute solution pipeline which is communicated with the generator through a solution pump and a solution heat exchanger, the absorber is provided with a dilute solution pipeline which is communicated with the second absorber through the third solution heat exchanger, the second absorber is further provided with a dilute solution pipeline which is communicated with the generator through the solution pump and the solution heat exchanger, the second generator is provided with a concentrated solution pipeline which is communicated with the absorber through the second solution pump and the second solution heat exchanger, the absorber is adjusted to be provided with a concentrated solution pipeline which is communicated with the third generator through the second solution heat exchanger, the third generator is further provided with a concentrated solution pipeline which is communicated with the absorber through the second solution pump and the third solution heat exchanger, a steam exhaust passage of the power machine is adjusted to be communicated with the outside, and then a condensate passage of the third generator is communicated with the outside, the third generator is also provided with a steam channel communicated with the second absorber, and the second absorber is also provided with a cooling medium channel communicated with the outside to form a heat and power combined supply system; wherein, or after the power machine is additionally provided with the steam exhaust channel to be communicated with the third generator, the third generator is communicated with the outside through the condensate channel.

21. A combined heat and power system as described in any of the items 5 and 7, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber is provided with a dilute solution pipeline which is communicated with the generator through a solution pump and a solution heat exchanger and is adjusted to be provided with a dilute solution pipeline which is communicated with the second absorber through the third solution heat exchanger, the second absorber is further provided with a dilute solution pipeline which is communicated with the generator through the solution pump and the solution heat exchanger, the second generator is provided with a concentrated solution pipeline which is communicated with the absorber through the second pump and the second solution heat exchanger and is adjusted to be provided with a concentrated solution pipeline which is communicated with the third generator through the second solution heat exchanger, the third generator is further provided with a concentrated solution pipeline which is communicated with the absorber through the second solution pump and the third solution heat exchanger, the condenser is provided with a condensed solution pipeline which is communicated with the outside through the second generator and the third generator, after the steam exhaust channel of the power machine is communicated with the second generator, the condensate channel of the second generator is communicated with the outside, and the steam exhaust channel of the power machine is communicated with the second generator and the third generator in sequence, and then the condensate channel of the third generator is communicated with the outside; or the steam exhaust channel of the power machine is communicated with the second generator, then the condensate channel of the second generator is communicated with the outside, and the steam exhaust channel of the power machine is communicated with the third generator and the second generator in sequence, then the condensate channel of the second generator is communicated with the outside.

22. a combined heat and power system as described in any of the items 6 and 8, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber is provided with a dilute solution pipeline which is communicated with the generator through a solution pump and a solution heat exchanger and is adjusted to be provided with a dilute solution pipeline which is communicated with the second absorber through the third solution heat exchanger, the second absorber is further provided with a dilute solution pipeline which is communicated with the generator through the solution pump and the solution heat exchanger, the second generator is provided with a concentrated solution pipeline which is communicated with the absorber through the second pump and the second solution heat exchanger and is adjusted to be provided with a concentrated solution pipeline which is communicated with the third generator through the second solution heat exchanger, the third generator is further provided with a concentrated solution pipeline which is communicated with the absorber through the second solution pump and the third solution heat exchanger, the condenser is provided with a condensed solution pipeline which is communicated with the outside through the second generator and the third generator, the method is characterized in that after a first steam channel of the power machine is communicated with a second generator, a condensate channel of the second generator is communicated with the outside, and the power machine is adjusted to have the first steam channel communicated with the second generator and a third generator in sequence, and then a condensate channel of the third generator is communicated with the outside; or the power machine is adjusted to be provided with a first steam channel which is communicated with the third generator and the second generator in sequence, and then the second generator is communicated with the outside by a condensate channel.

23. A combined heat and power system as set forth in claim 8, wherein a third generator, a second absorber and a third solution heat exchanger are additionally provided, the absorber is adjusted to have a dilute solution pipeline communicated with the generator through a solution pump and a solution heat exchanger such that the absorber has a dilute solution pipeline communicated with the second absorber through the third solution heat exchanger, the second absorber has a dilute solution pipeline communicated with the generator through a solution pump and a solution heat exchanger, the second generator has a concentrated solution pipeline communicated with the absorber through a second solution pump and a second solution heat exchanger such that the second generator has a concentrated solution pipeline communicated with the third generator through a second solution heat exchanger, the third generator has a concentrated solution pipeline communicated with the absorber through a second solution pump and a third solution heat exchanger, the condenser has a condensed solution pipeline communicated with the outside through the second generator and a condensed solution pipeline communicated with the outside, the method is characterized in that a steam exhaust channel of a power machine is communicated with the outside, and is adjusted to be that after the power machine is communicated with a third generator, a condensate channel of the third generator is communicated with the outside, a steam channel of the third generator is communicated with a second absorber, and a cooling medium channel of the second absorber is communicated with the outside to form a heat and power combined supply system; wherein, or after the power machine is additionally provided with the steam exhaust channel to be communicated with the third generator, the third generator is communicated with the outside through the condensate channel.

24. The combined heat and power system is characterized in that in any one of the combined heat and power systems 1-23, a high-temperature heat medium channel communicated with the outside of a generator is eliminated, a high-temperature steam channel is additionally arranged on a power machine and communicated with the generator, and then a high-temperature condensate channel is formed in the generator and communicated with the outside, so that the combined heat and power system is formed.

25. The combined heat and power system is characterized in that in any of the combined heat and power systems of 9 th to 10 th, a high-temperature heat medium channel which is respectively communicated with the outside by the generator and the third generator is eliminated, a high-temperature steam channel is additionally arranged on the power machine and is sequentially communicated with the generator and the third generator, and then a high-temperature condensate channel is formed in the third generator and is communicated with the outside, so that the combined heat and power system is formed.

Description of the drawings:

FIG. 1 is a schematic diagram of the structure and flow of the first embodiment of the combined heat and power system according to the present invention.

FIG. 2 is a schematic diagram of the 2 nd structure and flow of the combined heat and power system according to the present invention.

FIG. 3 is a schematic diagram of the 3 rd configuration and flow of the combined heat and power system according to the present invention.

FIG. 4 is a schematic diagram of the 4 th structure and flow of the combined heat and power system according to the present invention.

FIG. 5 is a schematic diagram of the structure and flow of the 5 th embodiment of the combined heat and power system according to the present invention.

FIG. 6 is a schematic diagram of the structure and flow of the 6 th thermodynamic combined cycle system according to the present invention.

FIG. 7 is a schematic diagram of the 7 th configuration and flow of the combined heat and power system according to the present invention.

FIG. 8 is a schematic diagram of the 8 th configuration and flow of the combined heat and power system according to the present invention.

FIG. 9 is a schematic diagram of a 9 th configuration and flow of a combined thermal power system according to the present invention.

FIG. 10 is a schematic diagram of a 10 th configuration and process of a combined thermal power system according to the present invention.

FIG. 11 is a schematic diagram of the 11 th configuration and flow of the combined heat and power system according to the present invention.

FIG. 12 is a schematic diagram of a 12 th configuration and flow of a combined thermal power system according to the present invention.

FIG. 13 is a schematic diagram of a 13 th configuration and process of a combined heat and power system according to the present invention.

FIG. 14 is a schematic diagram of a 14 th configuration and process of a combined thermal power system according to the present invention.

FIG. 15 is a schematic diagram of a 15 th configuration and flow of a combined heat and power system according to the present invention.

FIG. 16 is a schematic diagram of a 16 th configuration and flow of a combined thermal power system according to the present invention.

FIG. 17 is a schematic diagram of a 17 th configuration and flow of a combined thermal power system according to the present invention.

FIG. 18 is a schematic diagram of the 18 th configuration and flow of the combined heat and power system according to the present invention.

FIG. 19 is a schematic diagram of a 19 th configuration and flow of a combined thermal power system according to the present invention.

In the figure, 1-absorber, 2-generator, 3-second generator, 4-condenser, 5-second condenser, 6-solution pump, 7-second solution pump, 8-solution heat exchanger, 9-second solution heat exchanger, 10-power machine, 11-third generator, 12-second absorber, 13-third solution pump, 14-third solution heat exchanger, 15-throttle valve, 16-heat supplier.

The specific implementation mode is as follows:

It is to be noted that, in the description of the structure and the flow, the repetition is not necessary; obvious flow is not described. The invention is described in detail below with reference to the figures and examples.

The combined heat and power system shown in fig. 1 is realized by:

(1) Structurally, the system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine 10 is provided with a new steam channel communicated with the outside, the power machine 10 is also provided with a steam exhaust channel communicated with the second generator 3, then the second generator 3 is further provided with a condensate channel communicated with the outside, the power machine 10 is also provided with a steam exhaust channel communicated with the absorber 1, the absorber 1 is also provided with a dilute solution pipeline communicated with the generator 2 through a solution pump 6 and a solution heat exchanger 8, the generator 2 is also provided with a concentrated solution pipeline communicated with the second generator 3 through the solution heat exchanger 8 and a second solution heat exchanger 9, the second generator 3 is also provided with a concentrated solution pipeline communicated with the absorber 1 through a second solution pump 7 and a second solution heat exchanger 9, the generator 2 is also provided with a steam channel communicated with the condenser 4, the second generator 3 is also provided with a steam channel communicated with the second condenser 5, the condenser 4 is also provided with a condensate pipeline communicated with the outside, the second condenser 5 is also provided with a condensate pipeline communicated with the, the absorber 1 and the condenser 4 are also respectively communicated with the outside through a heated medium channel, the second condenser 5 is also communicated with the outside through a cooling medium channel, and the generator 2 is also communicated with the outside through a high-temperature heat medium channel.

(2) In the process, the new steam enters the power machine 10 to reduce the pressure and do work, the exhaust steam of the power machine 10 is divided into two paths, the first path enters the absorber 1 and is absorbed by the solution, and the second path flows through the second generator 3 to release heat and condense and then is discharged outwards; the dilute solution of the absorber 1 enters the generator 2 through the solution pump 6 and the solution heat exchanger 8, the high-temperature heat medium flows through the generator 2, heats the solution entering the generator to release steam and provide the steam to the condenser 4, the concentrated solution of the generator 2 enters the second generator 3 through the solution heat exchanger 8 and the second solution heat exchanger 9, absorbs heat to release steam and provides the steam to the second condenser 5, and the concentrated solution of the second generator 3 enters the absorber 1 through the second solution pump 7 and the second solution heat exchanger 9, absorbs steam and releases heat to the heated medium; the steam of the condenser 4 releases heat to the heated medium to form condensate and is discharged outwards, and the steam of the second condenser 5 releases heat to the cooling medium to form condensate and is discharged outwards, so that a combined heat and power system is formed.

The combined heat and power system shown in fig. 2 is realized by:

(1) Structurally, the system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine 10 is provided with a new steam channel communicated with the outside, the power machine 10 is also provided with an exhaust steam channel communicated with the outside, the power machine 10 is also provided with a first steam channel communicated with the second generator 3, then the second generator 3 is further provided with a condensate channel communicated with the outside, the power machine 10 is also provided with a first steam channel communicated with the absorber 1, the absorber 1 is also provided with a dilute solution pipeline communicated with the generator 2 through a solution pump 6 and a solution heat exchanger 8, the generator 2 is also provided with a concentrated solution pipeline communicated with the second generator 3 through the solution heat exchanger 8 and a second solution heat exchanger 9, the second generator 3 is also provided with a concentrated solution pipeline communicated with the absorber 1 through a second solution pump 7 and a second solution heat exchanger 9, the generator 2 is also provided with a steam channel communicated with the condenser 4, the second generator 3 is also provided with a steam channel communicated with a second condenser 5, the condenser 4 is also provided with a condensate pipeline communicated with, the second condenser 5 is also communicated with the outside through a condensate liquid pipeline, the absorber 1 and the condenser 4 are also respectively communicated with the outside through a heated medium channel, the second condenser 5 is also communicated with the outside through a cooling medium channel, and the generator 2 is also communicated with the outside through a high-temperature heat medium channel.

(2) Compared with the working process of the heat-power combined supply system shown in fig. 1, the process is changed in that the new steam enters the power machine 10 to be decompressed and work, and then is divided into three paths, wherein the first path directly enters the absorber 1 through the first steam channel and is absorbed by the solution, the second path is provided for the second generator 3 through the first steam channel to release heat and be condensed and then is discharged outwards, and the third path is discharged outwards after the decompression and work is finished, so that the heat-power combined supply system is formed.

The combined heat and power system shown in fig. 3 is realized by:

(1) Structurally, the system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine 10 is provided with a new steam channel communicated with the outside, the power machine 10 is also provided with a steam exhaust channel communicated with the second generator 3, then the second generator 3 is further provided with a condensate channel communicated with the outside, the power machine 10 is also provided with a first steam channel communicated with the absorber 1, the absorber 1 is also provided with a dilute solution pipeline communicated with the generator 2 through a solution pump 6 and a solution heat exchanger 8, the generator 2 is also provided with a concentrated solution pipeline communicated with the second generator 3 through the solution heat exchanger 8 and a second solution heat exchanger 9, the second generator 3 is also provided with a concentrated solution pipeline communicated with the absorber 1 through a second solution pump 7 and a second solution heat exchanger 9, the generator 2 is also provided with a steam channel communicated with the condenser 4, the second generator 3 is also provided with a steam channel communicated with a second condenser 5, the condenser 4 is also provided with a condensate pipeline communicated, the second condenser 5 is also communicated with the outside through a condensate liquid pipeline, the absorber 1 and the condenser 4 are also respectively communicated with the outside through a heated medium channel, the second condenser 5 is also communicated with the outside through a cooling medium channel, and the generator 2 is also communicated with the outside through a high-temperature heat medium channel.

(2) Compared with the working process of the heat and power cogeneration system shown in fig. 1, the process is changed in that new steam enters the power machine 10 to be decompressed and worked, then is divided into three paths, steam with higher pressure relative to steam exhaust directly enters the absorber 1 through the first steam channel and is absorbed by solution, part of the steam exhaust after the decompression and work is completed is supplied to the second generator 3 to release heat and be condensed and discharged outwards, and the other part of the steam exhaust after the decompression and work is completed is discharged outwards, so that the heat and power cogeneration system is formed.

The combined heat and power system shown in fig. 4 is realized by:

(1) Structurally, the system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine 10 is provided with a new steam channel communicated with the outside, the power machine 10 is also provided with an exhaust steam channel communicated with the outside, the power machine 10 is also provided with a first steam channel communicated with the second generator 3, then the second generator 3 is further provided with a condensate channel communicated with the outside, the power machine 10 is also provided with a second steam channel communicated with the absorber 1, the absorber 1 is also provided with a dilute solution pipeline communicated with the generator 2 through a solution pump 6 and a solution heat exchanger 8, the generator 2 is also provided with a concentrated solution pipeline communicated with the second generator 3 through the solution heat exchanger 8 and a second solution heat exchanger 9, the second generator 3 is also provided with a concentrated solution pipeline communicated with the absorber 1 through a second solution pump 7 and a second solution heat exchanger 9, the generator 2 is also provided with a steam channel communicated with the condenser 4, the second generator 3 is also provided with a steam channel communicated with a second condenser 5, the condenser 4 is also provided with a condensate pipeline communicated with, the second condenser 5 is also communicated with the outside through a condensate liquid pipeline, the absorber 1 and the condenser 4 are also respectively communicated with the outside through a heated medium channel, the second condenser 5 is also communicated with the outside through a cooling medium channel, and the generator 2 is also communicated with the outside through a high-temperature heat medium channel.

(2) Compared with the working process of the heat-power combined supply system shown in the figure 1, the process has the change that after new steam enters the power machine 10 to reduce the pressure and do work, the new steam is respectively supplied to the absorber 1 through the second steam channel and is supplied to the second generator 3 through the first steam channel, and the rest steam continues to do work and is discharged; the second steam enters the absorber 1 and is absorbed by the solution, and the first steam is discharged outside after passing through the second generator 3 for heat release and condensation, so as to form a combined heat and power system.

The combined heat and power system shown in fig. 5 is realized by:

In the combined heat and power system shown in fig. 1, the condenser 4 having a condensate line communicating with the outside is adjusted such that the condenser 4 having a condensate line communicating with the outside via the second generator 3; the condensate discharged from the condenser 4 flows through the second generator 3 and releases heat, and then is discharged to the outside, forming a combined heat and power system.

The combined heat and power system shown in fig. 6 is realized by:

In the combined heat and power system shown in FIG. 2, the condenser 4 having a condensate line communicating with the outside is adjusted such that the condenser 4 having a condensate line communicating with the outside via the second generator 3; the condensate discharged from the condenser 4 flows through the second generator 3 and releases heat, and then is discharged to the outside, forming a combined heat and power system.

The combined heat and power system shown in fig. 7 is realized by:

In the combined heat power system shown in FIG. 3, the condenser 4 having a condensate line communicating with the outside is adjusted such that the condenser 4 having a condensate line communicating with the outside via the second generator 3; the condensate discharged from the condenser 4 flows through the second generator 3 and releases heat, and then is discharged to the outside, forming a combined heat and power system.

The combined heat and power system shown in fig. 8 is realized by:

in the combined heat power system shown in FIG. 4, the condenser 4 having a condensate line communicating with the outside is adjusted such that the condenser 4 having a condensate line communicating with the outside via the second generator 3; the condensate discharged from the condenser 4 flows through the second generator 3 and releases heat, and then is discharged to the outside, forming a combined heat and power system.

The combined heat and power system shown in fig. 9 is realized by:

(1) Structurally, in the combined heat power system shown in FIG. 3, a third generator, a second absorber, a third solution pump and a third solution heat exchanger are added, a dilute solution pipeline of the absorber 1 is communicated with the generator 2 through the solution pump 6 and the solution heat exchanger 8, a dilute solution pipeline of the absorber 1 is communicated with a second absorber 12 through the solution pump 6 and the solution heat exchanger 8, a dilute solution pipeline of the second absorber 12 is communicated with the generator 2 through a third solution pump 13 and a third solution heat exchanger 14, a concentrated solution pipeline of the generator 2 is communicated with the second generator 3 through the solution heat exchanger 8 and the second solution heat exchanger 9, a concentrated solution pipeline of the generator 2 is communicated with the third generator 11 through the third solution heat exchanger 14, and a concentrated solution pipeline of the third generator 11 is communicated with the second generator 3 through the solution heat exchanger 8 and the second solution heat exchanger 9, the third generator 11 also has a steam passage communicated with the second absorber 12, the third generator 11 also has a high-temperature heat medium passage communicated with the outside, and the second absorber 12 also has a heated medium passage communicated with the outside.

(2) in the process, dilute solution in the absorber 1 enters the second absorber 12 through the solution pump 6 and the solution heat exchanger 8, absorbs steam and releases heat to a heated medium, dilute solution in the second absorber 12 enters the generator 2 through the third solution pump 13 and the third solution heat exchanger 14, concentrated solution in the generator 2 enters the third generator 11 through the third solution heat exchanger 14, high-temperature heat medium flows through the third generator 11, heats the solution entering the generator to release steam and is provided for the second absorber 12, and concentrated solution in the third generator 11 enters the second generator 3 through the solution heat exchanger 8 and the second solution heat exchanger 9 to form a thermodynamic combined supply system.

The combined heat and power system shown in fig. 10 is realized by:

(1) Structurally, in the combined heat power system shown in fig. 7, a third generator, a second absorber, a third solution pump and a third solution heat exchanger are added, the generator 2 is adjusted to have a steam passage communicated with the condenser 4, the generator 2 has a steam passage communicated with the second absorber 12, the second absorber 12 also has a dilute solution pipeline communicated with the third generator 11 through a third solution pump 13 and a third solution heat exchanger 14, the third generator 11 also has a concentrated solution pipeline communicated with the second absorber 12 through a third solution heat exchanger 14, the third generator 11 also has a steam passage communicated with the condenser 4, the third generator 11 also has a high-temperature heat medium passage communicated with the outside, and the second absorber 12 also has a heated medium passage communicated with the outside.

(2) in the flow, steam generated by the generator 2 enters the second absorber 12, dilute solution in the second absorber 12 enters the third generator 11 through the third solution pump 13 and the third solution heat exchanger 14, high-temperature heat medium flows through the third generator 11, heats the solution entering the third generator 11 to release steam and provide the steam to the condenser 4, and concentrated solution in the third generator 11 enters the second absorber 12 through the third solution heat exchanger 14, absorbs the steam and releases heat to the heated medium, so that a thermodynamic combined supply system is formed.

The combined heat and power system shown in fig. 11 is realized by:

(1) Structurally, in the combined heat power system shown in fig. 3, a third generator, a third solution pump, a third solution heat exchanger and a throttle valve are added, a dilute solution pipeline is additionally arranged on the absorber 1 and is communicated with the third generator 11 through the third solution pump 13 and the third solution heat exchanger 14, a concentrated solution pipeline is also arranged on the third generator 11 and is communicated with the second generator 3 through the third solution heat exchanger 14 and the second solution heat exchanger 9, a steam channel of the generator 2 is communicated with the condenser 4, the third generator 11 is communicated with the condenser 4 through the throttle valve 15 after the steam channel of the generator 2 is communicated with the third generator 11, and a steam channel of the third generator 11 is communicated with the condenser 4.

(2) In the flow, the steam generated by the generator 2 is provided for the third generator 11 to be used as a driving heat medium, part of the dilute solution in the absorber 1 enters the third generator 11 through the third solution pump 13 and the third solution heat exchanger 14, the steam flows through the third generator 11, heats the solution entering the third generator to release the steam and is provided for the condenser 4, and the concentrated solution in the third generator 11 enters the second generator 3 through the third solution heat exchanger 14 and the second solution heat exchanger 9; the steam flowing through the third generator 11 releases heat to form condensate, and the condensate enters the condenser 4 after being throttled and depressurized by the second throttling valve 15 to form a combined heat and power system.

The combined heat and power system shown in fig. 12 is realized by:

(1) Structurally, in the combined heat power system shown in FIG. 3, a third generator, a third solution heat exchanger and a throttle valve are added, a dilute solution pipeline of the absorber 1 is adjusted to be communicated with the generator 2 through the solution pump 6 and the solution heat exchanger 8, a dilute solution pipeline of the absorber 1 is adjusted to be communicated with the generator 2 through the solution pump 6, the solution heat exchanger 8 and the third solution heat exchanger 14, a concentrated solution pipeline of the generator 2 is adjusted to be communicated with the second generator 3 through the solution heat exchanger 8 and the second solution heat exchanger 9, a concentrated solution pipeline of the generator 2 is adjusted to be communicated with the third generator 11 through the third solution heat exchanger 14, a concentrated solution pipeline of the third generator 11 is adjusted to be communicated with the second generator 3 through the solution heat exchanger 8 and the second solution heat exchanger 9, a steam channel of the generator 2 is adjusted to be communicated with the condenser 4, a steam channel of the generator 2 is adjusted to be communicated with the third generator 11, and then a condensed solution pipeline of the third generator 11 is adjusted to be communicated with the cold generator 11 through the The condenser 4 is communicated, the third generator 11 is also communicated with the condenser 4 through a steam channel, and the third generator 11 is also communicated with the outside through a high-temperature heat medium channel.

(2) In the process, steam and high-temperature heat medium generated by the generator 2 are supplied to a third generator 11 as driving heat medium, dilute solution in the absorber 1 enters the generator 2 through a solution pump 6, a solution heat exchanger 8 and a third solution heat exchanger 14, concentrated solution in the generator 2 enters the third generator 11 through the third solution heat exchanger 14, the steam and the high-temperature heat medium respectively flow through the third generator 11, the solution entering the third generator is heated to release the steam and is supplied to a condenser 4, and concentrated solution in the third generator 11 enters the second generator 3 through the solution heat exchanger 8 and a second solution heat exchanger 9; the steam flowing through the third generator 11 releases heat to form condensate, and the condensate enters the condenser 4 after being throttled and depressurized by the second throttling valve 15 to form a combined heat and power system.

the combined heat and power system shown in fig. 13 is realized by:

(1) Structurally, in the combined heat power system shown in FIG. 3, a third generator, a third solution pump, a third solution heat exchanger and a throttle valve are added, a dilute solution pipeline of an absorber 1 is communicated with a generator 2 through a solution pump 6 and a solution heat exchanger 8, a dilute solution pipeline of the absorber 1 is communicated with the third generator 11 through the solution pump 6 and the solution heat exchanger 8, a concentrated solution pipeline of the third generator 11 is communicated with the generator 2 through a third solution pump 13 and a third solution heat exchanger 14, a concentrated solution pipeline of the generator 2 is communicated with the second generator 3 through the solution heat exchanger 8 and a second solution heat exchanger 9, a concentrated solution pipeline of the generator 2 is communicated with the second generator 3 through the third solution heat exchanger 14, the solution heat exchanger 8 and the second solution heat exchanger 9, a steam channel of the generator 2 is communicated with a condenser 4, a steam channel of the generator 2 is communicated with the third generator 11, and then the third generator 11 is communicated with the third generator 11 A condensate line is connected to the condenser 4 via a throttle valve 15, and the third generator 11 is also connected to the condenser 4 via a steam channel.

(2) In the process, steam generated by the generator 2 is supplied to a third generator 11 as a driving heat medium, dilute solution in the absorber 1 enters the third generator 11 through a solution pump 6 and a solution heat exchanger 8, the steam flows through the third generator 11, heats the solution entering the third generator 11 to release the steam and is supplied to a condenser 4, concentrated solution in the third generator 11 enters the generator 2 through a third solution pump 13 and a third solution heat exchanger 14, and concentrated solution in the generator 2 enters the second generator 3 through the third solution heat exchanger 14, the solution heat exchanger 8 and a second solution heat exchanger 9; the steam flowing through the third generator 11 releases heat to form condensate, and the condensate enters the condenser 4 after being throttled and depressurized by the second throttling valve 15 to form a combined heat and power system.

The combined heat and power system shown in fig. 14 is realized by:

(1) structurally, in the combined heat power supply system shown in fig. 7, a third generator, a third solution pump, a third solution heat exchanger and a heat supply device are added, a dilute solution pipeline is additionally arranged on an absorber 1 and is communicated with the third generator 11 through a third solution pump 13 and a third solution heat exchanger 14, a concentrated solution pipeline is also arranged on the third generator 11 and is communicated with a second generator 3 through the third solution heat exchanger 14 and a second solution heat exchanger 9, the communication between a steam channel of the generator 2 and a condenser 4 is adjusted to be that the steam channel of the generator 2 is communicated with the third generator 11, then the condensate pipeline of the third generator 11 is communicated with the outside through the heat supply device 16 and the second generator 3, the steam channel of the third generator 11 is communicated with the condenser 4, and the heated medium channel of the heat supply device 16 is communicated with the outside.

(2) In the flow, the steam generated by the generator 2 is provided for the third generator 11 to be used as a driving heat medium, part of the dilute solution in the absorber 1 enters the third generator 11 through the third solution pump 13 and the third solution heat exchanger 14, the steam flows through the third generator 11, heats the solution entering the third generator to release the steam and is provided for the condenser 4, and the concentrated solution in the third generator 11 enters the second generator 3 through the third solution heat exchanger 14 and the second solution heat exchanger 9; the steam flowing through the third generator 11 releases heat to form condensate, and the condensate is discharged outwards after gradually releasing heat through the heat supplier 16 and the second generator 3, so that a combined heat and power system is formed.

The combined heat and power system shown in fig. 15 is realized by:

(1) structurally, in the combined heat power supply system shown in FIG. 7, a third generator, a third solution heat exchanger and a heat supplier are added, wherein a dilute solution pipeline of an absorber 1 is communicated with a generator 2 through a solution pump 6 and a solution heat exchanger 8, a dilute solution pipeline of the absorber 1 is communicated with the generator 2 through the solution pump 6, the solution heat exchanger 8 and a third solution heat exchanger 14, a concentrated solution pipeline of the generator 2 is communicated with a second generator 3 through the solution heat exchanger 8 and the second solution heat exchanger 9, a concentrated solution pipeline of the generator 2 is communicated with the third generator 11 through the third solution heat exchanger 14, a concentrated solution pipeline of the third generator 11 is communicated with the second generator 3 through the solution heat exchanger 8 and the second solution heat exchanger 9, a steam channel of the generator 2 is communicated with a condenser 4, a steam channel of the generator 2 is communicated with the third generator 11, and a condensed solution pipeline of the third generator 11 is communicated with the third generator 11 through the heat supplier 16 and the third solution heat exchanger 14 The two generators 3 are communicated with the outside, the third generator 11 is also communicated with the condenser 4 through a steam channel, the heat supply device 16 is also communicated with the outside through a heated medium channel, and the third generator 11 is also communicated with the outside through a high-temperature heat medium channel.

(2) In the process, steam and high-temperature heat medium generated by the generator 2 are supplied to a third generator 11 as driving heat medium, dilute solution in the absorber 1 enters the generator 2 through a solution pump 6, a solution heat exchanger 8 and a third solution heat exchanger 14, concentrated solution in the generator 2 enters the third generator 11 through the third solution heat exchanger 14, the steam and the high-temperature heat medium respectively flow through the third generator 11, the solution entering the third generator is heated to release the steam and is supplied to a condenser 4, and concentrated solution in the third generator 11 enters the second generator 3 through the solution heat exchanger 8 and a second solution heat exchanger 9; the steam flowing through the third generator 11 releases heat to form condensate, and the condensate is discharged outwards after gradually releasing heat through the heat supplier 16 and the second generator 3, so that a combined heat and power system is formed.

The combined heat and power system shown in fig. 16 is realized by:

(1) Structurally, in the combined heat power system shown in FIG. 7, a third generator, a third solution pump, a third solution heat exchanger and a heat supplier are added, wherein a dilute solution pipeline of an absorber 1 is communicated with a generator 2 through a solution pump 6 and a solution heat exchanger 8, a dilute solution pipeline of the absorber 1 is communicated with the third generator 11 through the solution pump 6 and the solution heat exchanger 8, a concentrated solution pipeline of the third generator 11 is communicated with the generator 2 through a third solution pump 13 and a third solution heat exchanger 14, a concentrated solution pipeline of the generator 2 is communicated with the second generator 3 through the solution heat exchanger 8 and the second solution heat exchanger 9, a concentrated solution pipeline of the generator 2 is communicated with the second generator 3 through the third solution heat exchanger 14, the solution heat exchanger 8 and the second solution heat exchanger 9, a steam channel of the generator 2 is communicated with a condenser 4, a steam channel of the generator 2 is communicated with the third generator 11, and then the third generator 11 is communicated with the third generator 11 A condensate pipeline is communicated with the outside through a heat supply device 16 and a second generator 3, a steam channel of a third generator 11 is communicated with a condenser 4, and a heated medium channel of the heat supply device 16 is communicated with the outside.

(2) In the process, steam generated by the generator 2 is supplied to a third generator 11 as a driving heat medium, dilute solution in the absorber 1 enters the third generator 11 through a solution pump 6 and a solution heat exchanger 8, the steam flows through the third generator 11, heats the solution entering the third generator 11 to release the steam and is supplied to a condenser 4, concentrated solution in the third generator 11 enters the generator 2 through a third solution pump 13 and a third solution heat exchanger 14, and concentrated solution in the generator 2 enters the second generator 3 through the third solution heat exchanger 14, the solution heat exchanger 8 and a second solution heat exchanger 9; the steam flowing through the third generator 11 releases heat to form condensate, and the condensate is discharged outwards after gradually releasing heat through the heat supplier 16 and the second generator 3, so that a combined heat and power system is formed.

The combined heat and power system shown in fig. 17 is realized by:

(1) Structurally, in the combined heat power system shown in FIG. 3, a third generator, a second absorber and a third solution heat exchanger are added, a dilute solution pipeline of the absorber 1 is communicated with the generator 2 through a solution pump 6 and a solution heat exchanger 8, a dilute solution pipeline of the absorber 1 is communicated with a second absorber 12 through a third solution heat exchanger 14, a dilute solution pipeline of the second absorber 12 is communicated with the generator 2 through the solution pump 6 and the solution heat exchanger 8, a concentrated solution pipeline of the second generator 3 is communicated with the absorber 1 through a second solution pump 7 and the second solution heat exchanger 9, a concentrated solution pipeline of the second generator 3 is communicated with a third generator 11 through a second solution heat exchanger 9, a concentrated solution pipeline of the third generator 11 is communicated with the absorber 1 through a second solution pump 7 and the third solution heat exchanger 14, a condensate channel of the second generator 3 is communicated with an external part after a steam exhaust channel of the power machine 10 is communicated with the second generator 3 The communication adjustment is that the power machine 10 is provided with a steam exhaust channel which is communicated with the third generator 11 and the second generator 3 in sequence, then the second generator 3 is provided with a condensate channel which is communicated with the outside, the third generator 11 is also provided with a steam channel which is communicated with the second absorber 12, and the second absorber 12 is also provided with a cooling medium channel which is communicated with the outside.

(2) In the process, the new steam enters the power machine 10 to be reduced in pressure and work, and then is divided into three paths, the steam with higher pressure is supplied to the absorber 1 through the first steam channel and is absorbed by the solution, a part of exhausted steam after the reduced pressure work is finished is supplied to the third generator 11 and the second generator 3 to release heat and condense and is exhausted outwards, and the other part of exhausted steam after the reduced pressure work is finished is exhausted outwards; the dilute solution of the absorber 1 enters a second absorber 12 through a third solution heat exchanger 14, absorbs steam and releases heat to a cooling medium, and the dilute solution of the second absorber 12 enters a generator 2 through a solution pump 6 and a solution heat exchanger 8; the concentrated solution of the second generator 3 enters a third generator 11 through a second solution heat exchanger 9, absorbs heat to release steam and is provided for a second absorber 12, and the concentrated solution of the third generator 11 enters the absorber 1 through a second solution pump 7 and a third solution heat exchanger 14 to form a combined heat and power system.

The combined heat and power system shown in fig. 18 is realized by:

(1) structurally, in the combined heat power system shown in FIG. 7, a third generator, a second absorber and a third solution heat exchanger are added, the absorber 1 is communicated with the generator 2 through a dilute solution pipeline via a solution pump 6 and a solution heat exchanger 8, the absorber 1 is adjusted to be communicated with the second absorber 12 through a dilute solution pipeline via a third solution heat exchanger 14, the second absorber 12 is communicated with the generator 2 through a dilute solution pipeline via a solution pump 6 and a solution heat exchanger 8, the second generator 3 is communicated with the absorber 1 through a concentrated solution pipeline via a second solution pump 7 and a second solution heat exchanger 9, the second generator 3 is adjusted to be communicated with the third generator 11 through a concentrated solution pipeline via a second solution heat exchanger 9, the third generator 11 is communicated with the absorber 1 through a second solution pump 7 and a third solution heat exchanger 14, the condenser 4 is adjusted to be communicated with the outside through the second generator 3 through a condensed solution pipeline, and the condenser 4 is adjusted to be communicated with the outside through a condensed solution pipeline via a second generator 3 The second generator 3 and the third generator 11 are communicated with the outside, after the power machine 10 is provided with a steam exhaust channel communicated with the second generator 3, a condensate channel is communicated with the outside, the second generator 3 is provided with a condensate channel communicated with the outside, after the power machine 10 is provided with a steam exhaust channel communicated with the third generator 11 and the second generator 3 in sequence, the second generator 3 is provided with a condensate channel communicated with the outside, the third generator 11 is also provided with a steam channel communicated with the second absorber 12, and the second absorber 12 is also provided with a cooling medium channel communicated with the outside.

(2) In the process, the new steam enters the power machine 10 to be reduced in pressure and work, and then is divided into three paths, the steam with higher pressure is supplied to the absorber 1 through the first steam channel and is absorbed by the solution, a part of exhausted steam after the reduced pressure work is finished is supplied to the third generator 11 and the second generator 3 to release heat and condense and is exhausted outwards, and the other part of exhausted steam after the reduced pressure work is finished is exhausted outwards; the condensate of the condenser 4 flows through the second generator 3 and the third generator 11 and gradually releases heat, and then is discharged to the outside; the dilute solution of the absorber 1 enters a second absorber 12 through a third solution heat exchanger 14, absorbs steam and releases heat to a cooling medium, and the dilute solution of the second absorber 12 enters a generator 2 through a solution pump 6 and a solution heat exchanger 8; the concentrated solution of the second generator 3 enters a third generator 11 through a second solution heat exchanger 9, absorbs heat to release steam and is provided for a second absorber 12, and the concentrated solution of the third generator 11 enters the absorber 1 through a second solution pump 7 and a third solution heat exchanger 14 to form a combined heat and power system.

the combined heat and power system shown in fig. 19 is realized by:

In the combined heat and power system shown in fig. 3, a high-temperature heat medium passage for communicating the generator 2 with the outside is eliminated, and after a high-temperature steam passage is additionally arranged on the power machine 10 and communicated with the generator 2, a high-temperature condensate passage is arranged on the generator 2 and communicated with the outside; the power machine 10 provides high-temperature driving heat load to the generator 2 through the high-temperature steam channel, provides steam to the absorber 1 through the first steam channel, and provides low-temperature heat load to the second generator 3 through the steam exhaust channel, so as to form a combined heat and power system.

The effect that the technology of the invention can realize-the thermodynamic combined supply system provided by the invention has the following effects and advantages:

(1) The high-grade steam firstly does work, and the low-grade steam is used for heat supply, thereby conforming to the principle of high-efficiency utilization of heat energy.

(2) The low-temperature heat load is provided for the generator by the steam exhausted by the power machine or the first steam, the steam is directly provided for the absorber by the steam exhausted by the power machine or the first steam or the second steam, and the effective utilization of the temperature difference between the tail end steam exhaust or low-pressure steam extraction of the steam power device and the cold environment is realized by combining the second generator and the second condenser.

(3) The application limit of clean or high-efficiency energy in the traditional combined heat and power system is relieved.

(4) The steam at the end of the power machine is used as a low-temperature heat source for heat power combined supply, so that the heat efficiency of the power machine and the safety of equipment operation are improved.

(5) the type of the heat and power combined supply system is enriched, the application range of the absorption heat pump is expanded, and the absorption heat pump technology is favorably adopted to improve the heat energy utilization rate.

Claims

1. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine (10) is provided with a new steam channel communicated with the outside, the power machine (10) or the steam exhaust channel is communicated with the outside, the power machine (10) is also provided with a steam exhaust channel communicated with the second generator (3), then the second generator (3) is further provided with a condensate channel communicated with the outside, the power machine (10) is also provided with a steam exhaust channel communicated with the absorber (1), the absorber (1) is also provided with a dilute solution pipeline communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8), the generator (2) is also provided with a concentrated solution pipeline communicated with the second generator (3) through the solution heat exchanger (8) and a second solution heat exchanger (9), the second generator (3) is also provided with a concentrated solution pipeline communicated with the generator (1) through the second solution pump (7) and the second solution heat exchanger (9), the absorber (2) is also provided with a steam channel communicated with the condenser (4), the second generator (3) is also provided with a steam channel communicated with a second condenser (5), the condenser (4) is also provided with a condensate pipeline communicated with the outside, the second condenser (5) is also provided with a condensate pipeline communicated with the outside, the absorber (1) and the condenser (4) are also respectively provided with a heated medium channel communicated with the outside, the second condenser (5) is also provided with a cooling medium channel communicated with the outside, and the generator (2) is also provided with a high-temperature heat medium channel communicated with the outside to form a heat and power combined supply system.

2. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine (10) is provided with a new steam channel communicated with the outside, the power machine (10) is also provided with a steam exhaust channel communicated with the outside, the power machine (10) is also provided with a first steam channel communicated with the second generator (3), then the second generator (3) is also provided with a condensate channel communicated with the outside, the power machine (10) is also provided with a first steam channel communicated with the absorber (1), the absorber (1) is also provided with a dilute solution pipeline communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8), the generator (2) is also provided with a concentrated solution pipeline communicated with the second generator (3) through the solution heat exchanger (8) and a second solution heat exchanger (9), the second generator (3) is also provided with a concentrated solution pipeline communicated with the generator (1) through a second solution pump (7) and the second solution heat exchanger (9), the absorber (2) is also provided with a steam channel communicated with the condenser (4), the second generator (3) is also provided with a steam channel communicated with a second condenser (5), the condenser (4) is also provided with a condensate pipeline communicated with the outside, the second condenser (5) is also provided with a condensate pipeline communicated with the outside, the absorber (1) and the condenser (4) are also respectively provided with a heated medium channel communicated with the outside, the second condenser (5) is also provided with a cooling medium channel communicated with the outside, and the generator (2) is also provided with a high-temperature heat medium channel communicated with the outside to form a heat and power combined supply system.

3. the heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine (10) is provided with a new steam channel communicated with the outside, the power machine (10) or the steam exhaust channel is communicated with the outside, the power machine (10) is also provided with a steam exhaust channel communicated with the second generator (3), then the second generator (3) is further provided with a condensate channel communicated with the outside, the power machine (10) is also provided with a first steam channel communicated with the absorber (1), the absorber (1) is also provided with a dilute solution pipeline communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8), the generator (2) is also provided with a concentrated solution pipeline communicated with the second generator (3) through the solution heat exchanger (8) and a second solution heat exchanger (9), the second generator (3) is also provided with a concentrated solution pipeline communicated with the absorber (1) through a second solution pump (7) and the second solution heat exchanger (9), the generator (2) is also provided with a steam channel communicated with the condenser (4), the second generator (3) is also provided with a steam channel communicated with a second condenser (5), the condenser (4) is also provided with a condensate pipeline communicated with the outside, the second condenser (5) is also provided with a condensate pipeline communicated with the outside, the absorber (1) and the condenser (4) are also respectively provided with a heated medium channel communicated with the outside, the second condenser (5) is also provided with a cooling medium channel communicated with the outside, and the generator (2) is also provided with a high-temperature heat medium channel communicated with the outside to form a heat and power combined supply system.

4. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine (10) is provided with a new steam channel communicated with the outside, the power machine (10) is also provided with a steam exhaust channel communicated with the outside, the power machine (10) is also provided with a first steam channel communicated with the second generator (3), then the second generator (3) is also provided with a condensate channel communicated with the outside, the power machine (10) is also provided with a second steam channel communicated with the absorber (1), the absorber (1) is also provided with a dilute solution pipeline communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8), the generator (2) is also provided with a concentrated solution pipeline communicated with the second generator (3) through the solution heat exchanger (8) and a second solution heat exchanger (9), the second generator (3) is also provided with a concentrated solution pipeline communicated with the generator (1) through a second solution pump (7) and the second solution heat exchanger (9), the absorber (2) is also provided with a steam channel communicated with the condenser (4), the second generator (3) is also provided with a steam channel communicated with a second condenser (5), the condenser (4) is also provided with a condensate pipeline communicated with the outside, the second condenser (5) is also provided with a condensate pipeline communicated with the outside, the absorber (1) and the condenser (4) are also respectively provided with a heated medium channel communicated with the outside, the second condenser (5) is also provided with a cooling medium channel communicated with the outside, and the generator (2) is also provided with a high-temperature heat medium channel communicated with the outside to form a heat and power combined supply system.

5. the heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine (10) is provided with a new steam channel communicated with the outside, the power machine (10) or the steam exhaust channel is communicated with the outside, the power machine (10) is also provided with a steam exhaust channel communicated with the second generator (3), then the second generator (3) is further provided with a condensate channel communicated with the outside, the power machine (10) is also provided with a steam exhaust channel communicated with the absorber (1), the absorber (1) is also provided with a dilute solution pipeline communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8), the generator (2) is also provided with a concentrated solution pipeline communicated with the second generator (3) through the solution heat exchanger (8) and a second solution heat exchanger (9), the second generator (3) is also provided with a concentrated solution pipeline communicated with the generator (1) through the second solution pump (7) and the second solution heat exchanger (9), the absorber (2) is also provided with a steam channel communicated with the condenser (4), the second generator (3) is also provided with a steam channel communicated with a second condenser (5), the condenser (4) is also provided with a condensate pipeline communicated with the outside through the second generator (3), the second condenser (5) is also provided with a condensate pipeline communicated with the outside, the absorber (1) and the condenser (4) are also respectively provided with a heated medium channel communicated with the outside, the second condenser (5) is also provided with a cooling medium channel communicated with the outside, and the generator (2) is also provided with a high-temperature heat medium channel communicated with the outside to form a heat power combined supply system.

6. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine (10) is provided with a new steam channel communicated with the outside, the power machine (10) is also provided with a steam exhaust channel communicated with the outside, the power machine (10) is also provided with a first steam channel communicated with the second generator (3), then the second generator (3) is also provided with a condensate channel communicated with the outside, the power machine (10) is also provided with a first steam channel communicated with the absorber (1), the absorber (1) is also provided with a dilute solution pipeline communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8), the generator (2) is also provided with a concentrated solution pipeline communicated with the second generator (3) through the solution heat exchanger (8) and a second solution heat exchanger (9), the second generator (3) is also provided with a concentrated solution pipeline communicated with the generator (1) through a second solution pump (7) and the second solution heat exchanger (9), the absorber (2) is also provided with a steam channel communicated with the condenser (4), the second generator (3) is also provided with a steam channel communicated with a second condenser (5), the condenser (4) is also provided with a condensate pipeline communicated with the outside through the second generator (3), the second condenser (5) is also provided with a condensate pipeline communicated with the outside, the absorber (1) and the condenser (4) are also respectively provided with a heated medium channel communicated with the outside, the second condenser (5) is also provided with a cooling medium channel communicated with the outside, and the generator (2) is also provided with a high-temperature heat medium channel communicated with the outside to form a heat power combined supply system.

7. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine (10) is provided with a new steam channel communicated with the outside, the power machine (10) or the steam exhaust channel is communicated with the outside, the power machine (10) is also provided with a steam exhaust channel communicated with the second generator (3), then the second generator (3) is further provided with a condensate channel communicated with the outside, the power machine (10) is also provided with a first steam channel communicated with the absorber (1), the absorber (1) is also provided with a dilute solution pipeline communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8), the generator (2) is also provided with a concentrated solution pipeline communicated with the second generator (3) through the solution heat exchanger (8) and a second solution heat exchanger (9), the second generator (3) is also provided with a concentrated solution pipeline communicated with the absorber (1) through a second solution pump (7) and the second solution heat exchanger (9), the generator (2) is also provided with a steam channel communicated with the condenser (4), the second generator (3) is also provided with a steam channel communicated with a second condenser (5), the condenser (4) is also provided with a condensate pipeline communicated with the outside through the second generator (3), the second condenser (5) is also provided with a condensate pipeline communicated with the outside, the absorber (1) and the condenser (4) are also respectively provided with a heated medium channel communicated with the outside, the second condenser (5) is also provided with a cooling medium channel communicated with the outside, and the generator (2) is also provided with a high-temperature heat medium channel communicated with the outside to form a heat power combined supply system.

8. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the power machine (10) is provided with a new steam channel communicated with the outside, the power machine (10) is also provided with a steam exhaust channel communicated with the outside, the power machine (10) is also provided with a first steam channel communicated with the second generator (3), then the second generator (3) is also provided with a condensate channel communicated with the outside, the power machine (10) is also provided with a second steam channel communicated with the absorber (1), the absorber (1) is also provided with a dilute solution pipeline communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8), the generator (2) is also provided with a concentrated solution pipeline communicated with the second generator (3) through the solution heat exchanger (8) and a second solution heat exchanger (9), the second generator (3) is also provided with a concentrated solution pipeline communicated with the generator (1) through a second solution pump (7) and the second solution heat exchanger (9), the absorber (2) is also provided with a steam channel communicated with the condenser (4), the second generator (3) is also provided with a steam channel communicated with a second condenser (5), the condenser (4) is also provided with a condensate pipeline communicated with the outside through the second generator (3), the second condenser (5) is also provided with a condensate pipeline communicated with the outside, the absorber (1) and the condenser (4) are also respectively provided with a heated medium channel communicated with the outside, the second condenser (5) is also provided with a cooling medium channel communicated with the outside, and the generator (2) is also provided with a high-temperature heat medium channel communicated with the outside to form a heat power combined supply system.

9. a combined heat and power system, in any of the combined heat and power systems of claims 1-8, a third generator, a second absorber, a third solution pump and a third solution heat exchanger are added, the absorber (1) is provided with a dilute solution pipeline which is communicated with the generator (2) through the solution pump (6) and the solution heat exchanger (8) and is adjusted to be that the absorber (1) is provided with a dilute solution pipeline which is communicated with the second absorber (12) through the solution pump (6) and the solution heat exchanger (8), the second absorber (12) is further provided with a dilute solution pipeline which is communicated with the generator (2) through the third solution pump (13) and the third solution heat exchanger (14), the generator (2) is provided with a concentrated solution pipeline which is communicated with the second generator (3) through the solution heat exchanger (8) and the second solution heat exchanger (9) and is adjusted to be that the generator (2) is provided with a concentrated solution pipeline which is communicated with the third generator (11) through the third solution heat exchanger (14), the third generator (11) is communicated with the second generator (3) through a concentrated solution pipeline through a solution heat exchanger (8) and a second solution heat exchanger (9), the third generator (11) is also communicated with a steam channel and a second absorber (12), the third generator (11) is also communicated with the outside through a high-temperature heat medium channel, the second absorber (12) is also communicated with the outside through a heated medium channel, and a heat power combined supply system is formed.

10. A combined heat power system, in any of the combined heat power systems of claims 1-8, a third generator, a second absorber, a third solution pump and a third solution heat exchanger are added, the generator (2) is provided with a steam passage communicated with the condenser (4) and is adjusted to be provided with a steam passage communicated with the second absorber (12), the second absorber (12) is also provided with a dilute solution pipeline communicated with the third generator (11) through a third solution pump (13) and a third solution heat exchanger (14), the third generator (11) is also provided with a concentrated solution pipeline communicated with the second absorber (12) through the third solution heat exchanger (14), the third generator (11) is also provided with a steam passage communicated with the condenser (4), the third generator (11) is also provided with a high-temperature heat medium passage communicated with the outside, the second absorber (12) is also provided with a heated medium passage communicated with the outside, forming a combined heat and power system.

11. the combined heat power system is characterized in that a third generator, a third solution pump, a third solution heat exchanger and a throttle valve are added in the combined heat power system as recited in any one of claims 1 to 4, a dilute solution pipeline is additionally arranged on an absorber (1) and is communicated with the third generator (11) through a third solution pump (13) and a third solution heat exchanger (14), the third generator (11) and a concentrated solution pipeline are communicated with the second generator (3) through the third solution heat exchanger (14) and a second solution heat exchanger (9), the generator (2) is provided with a steam channel and is communicated with a condenser (4), after the generator (2) is provided with a steam channel and is communicated with the third generator (11), the third generator (11) is further provided with a condensate pipeline and is communicated with the condenser (4) through the throttle valve (15), the third generator (11) and a steam channel are further communicated with the condenser (4), forming a combined heat and power system.

12. The combined heat power supply system is characterized in that a third generator, a third solution heat exchanger and a throttle valve are added in the combined heat power supply system of any one of claims 1-4, a dilute solution pipeline of an absorber (1) is communicated with a generator (2) through a solution pump (6) and a solution heat exchanger (8) and is adjusted to be communicated with the generator (2) through the solution pump (6), the solution heat exchanger (8) and the third solution heat exchanger (14), a concentrated solution pipeline of the generator (2) is communicated with a second generator (3) through the solution heat exchanger (8) and the second solution heat exchanger (9) and is adjusted to be communicated with the generator (2) through the solution heat exchanger (8) and the third solution heat exchanger (14), and the concentrated solution pipeline of the third generator (11) is communicated with the second generator (3) through the solution heat exchanger (8) and the second solution heat exchanger (9), the generator (2) is provided with a steam channel to be communicated with the condenser (4) and is adjusted to be that the generator (2) is provided with a steam channel to be communicated with the third generator (11), then the third generator (11) is communicated with the condenser (4) through a condensate liquid pipeline by a throttle valve (15), and the third generator (11) is also provided with a steam channel to be communicated with the condenser (4) to form a heat and power combined supply system.

13. A combined heat and power system as defined in any one of claims 1-4, wherein a third generator, a third solution pump, a third solution heat exchanger and a throttle valve are added, the absorber (1) is provided with a dilute solution line which is communicated with the generator (2) through the solution pump (6) and the solution heat exchanger (8) and is adjusted to be that the absorber (1) is provided with a dilute solution line which is communicated with the third generator (11) through the solution pump (6) and the solution heat exchanger (8), the third generator (11) is further provided with a concentrated solution line which is communicated with the generator (2) through the third solution pump (13) and the third solution heat exchanger (14), the generator (2) is provided with a concentrated solution line which is communicated with the second generator (3) through the solution heat exchanger (8) and the second solution heat exchanger (9) and is adjusted to be that the generator (2) is provided with a concentrated solution line which is communicated with the third solution heat exchanger (14), The solution heat exchanger (8) and the second solution heat exchanger (9) are communicated with the second generator (3), the generator (2) is communicated with the condenser (4) through a steam channel, the generator (2) is communicated with the third generator (11) through a steam channel, then a condensate liquid pipeline of the third generator (11) is communicated with the condenser (4) through a throttle valve (15), and the third generator (11) is also communicated with the condenser (4) through a steam channel to form a heat and power combined supply system.

14. the combined heat power supply system is characterized in that a third generator, a third solution pump, a third solution heat exchanger and a heat supplier are added in the combined heat power supply system of any one of claims 5 to 8, a dilute solution pipeline is additionally arranged on an absorber (1) and is communicated with the third generator (11) through a third solution pump (13) and a third solution heat exchanger (14), the third generator (11) and a concentrated solution pipeline are communicated with the second generator (3) through the third solution heat exchanger (14) and a second solution heat exchanger (9), the generator (2) is provided with a steam channel and is communicated with a condenser (4), after the generator (2) is provided with a steam channel and is communicated with the third generator (11), the third generator (11) is further provided with a condensate pipeline which is communicated with the outside through the heat supplier (16) and the second generator (3), the third generator (11) is further provided with a steam channel and is communicated with the condenser (4), the heat supplier (16) is also communicated with the outside by a heated medium channel to form a heat power combined supply system.

15. The combined heat power supply system is characterized in that a third generator, a third solution heat exchanger and a heat supplier are added in the combined heat power supply system of any one of the claims 5 to 8, a dilute solution pipeline of an absorber (1) is communicated with a generator (2) through a solution pump (6) and a solution heat exchanger (8) and is adjusted to be communicated with the generator (2) through the solution pump (6), the solution heat exchanger (8) and the third solution heat exchanger (14), a concentrated solution pipeline of the generator (2) is communicated with a second generator (3) through the solution heat exchanger (8) and the second solution heat exchanger (9) and is adjusted to be communicated with the generator (2) through the solution heat exchanger (8) and the third solution heat exchanger (14), and the concentrated solution pipeline of the third generator (11) is communicated with the second generator (3) through the solution heat exchanger (8) and the second solution heat exchanger (9), the generator (2) is communicated with the condenser (4) through a steam channel, the generator (2) is adjusted to be communicated with the third generator (11) through the steam channel, then the third generator (11) is communicated with the outside through a condensate liquid pipeline through the heat supplier (16) and the second generator (3), the third generator (11) is also communicated with the condenser (4) through the steam channel, and the heat supplier (16) is also communicated with the outside through a heated medium channel to form a combined heat and power supply system.

16. The combined heat and power system is characterized in that a third generator, a third solution pump, a third solution heat exchanger and a heat supplier are added in the combined heat and power system as claimed in any one of claims 5 to 8, a dilute solution pipeline of the absorber (1) is communicated with the generator (2) through the solution pump (6) and the solution heat exchanger (8) and is adjusted to be communicated with the generator (2) through the solution pump (6) and the solution heat exchanger (8), a dilute solution pipeline of the absorber (1) is communicated with the third generator (11) through the solution pump (6) and the solution heat exchanger (8), a concentrated solution pipeline of the third generator (11) is communicated with the generator (2) through the third solution pump (13) and the third solution heat exchanger (14), a concentrated solution pipeline of the generator (2) is communicated with the second generator (3) through the solution heat exchanger (8) and the second solution heat exchanger (9) and is adjusted to be communicated with the generator (2) through the concentrated solution pipeline through the third solution heat exchanger (14), The solution heat exchanger (8) and the second solution heat exchanger (9) are communicated with the second generator (3), the generator (2) is communicated with the condenser (4) through a steam channel, after the generator (2) is communicated with the third generator (11) through the steam channel, a condensate pipeline of the third generator (11) is communicated with the outside through the heat supplier (16) and the second generator (3), the third generator (11) is also communicated with the condenser (4) through the steam channel, and the heat supplier (16) is also communicated with the outside through a heated medium channel to form a heat power combined supply system.

17. The combined heat and power system is characterized in that in any combined heat and power system of claims 11-16, a high-temperature heat medium channel is additionally arranged on the third generator (11) to be communicated with the outside to form the combined heat and power system.

18. A combined heat and power system, in any one of the combined heat and power systems of claims 1 and 3, a third generator, a second absorber and a third solution heat exchanger are added, a dilute solution pipeline of the absorber (1) is communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8) and is adjusted to be communicated with the second absorber (12) through a third solution heat exchanger (14) by the absorber (1), the dilute solution pipeline of the second absorber (12) is communicated with the generator (2) through the solution pump (6) and the solution heat exchanger (8), a concentrated solution pipeline of the second generator (3) is communicated with the absorber (1) through a second solution pump (7) and the second solution heat exchanger (9) and is adjusted to be communicated with the third generator (11) through the second solution heat exchanger (9) by the second generator (3), a concentrated solution pipeline of a third generator (11) is communicated with the absorber (1) through a second solution pump (7) and a third solution heat exchanger (14), after a steam exhaust channel of a power machine (10) is communicated with the second generator (3), a condensate channel of the second generator (3) is communicated with the outside, the communication is adjusted to that the steam exhaust channel of the power machine (10) is sequentially communicated with the second generator (3) and the third generator (11), then the condensate channel of the third generator (11) is communicated with the outside, the steam channel of the third generator (11) is communicated with the second absorber (12), the cooling medium channel of the second absorber (12) is communicated with the outside, and a thermodynamic combined supply system is formed; wherein, or after the steam exhaust channel of the power machine (10) is communicated with the second generator (3), the condensate channel of the second generator (3) is communicated with the outside, and the condensate channel of the second generator (3) is communicated with the outside after the steam exhaust channel of the power machine (10) is communicated with the third generator (11) and the second generator (3) in sequence.

19. A combined heat and power system, in any one of the combined heat and power systems of claims 2 and 4, a third generator, a second absorber and a third solution heat exchanger are added, a dilute solution pipeline of the absorber (1) is communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8) and is adjusted to be communicated with the absorber (1), a dilute solution pipeline of the absorber (1) is communicated with the second absorber (12) through a third solution heat exchanger (14), the dilute solution pipeline of the second absorber (12) is communicated with the generator (2) through the solution pump (6) and the solution heat exchanger (8), a concentrated solution pipeline of the second generator (3) is communicated with the absorber (1) through a second solution pump (7) and the second solution heat exchanger (9) and is adjusted to be communicated with the absorber (3), and is adjusted to be communicated with the third generator (11) through the second solution heat exchanger (9), a concentrated solution pipeline of a third generator (11) is communicated with the absorber (1) through a second solution pump (7) and a third solution heat exchanger (14), after a power machine (10) is provided with a first steam channel to be communicated with the second generator (3), a condensate channel of the second generator (3) is communicated with the outside, the power machine (10) is provided with a first steam channel to be sequentially communicated with the second generator (3) and the third generator (11), then a condensate channel of the third generator (11) is communicated with the outside, the third generator (11) is also provided with a steam channel to be communicated with the second absorber (12), and the second absorber (12) is also provided with a cooling medium channel to be communicated with the outside to form a heat and power combined supply system; wherein, or after the steam exhaust channel of the power machine (10) is communicated with the second generator (3), the condensate channel of the second generator (3) is communicated with the outside, and the condensate channel of the second generator (3) is communicated with the outside after the steam exhaust channel of the power machine (10) is communicated with the third generator (11) and the second generator (3) in sequence.

20. a combined heat and power system as defined in claim 4, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber (1) has a dilute solution line communicating with the generator (2) via the solution pump (6) and the solution heat exchanger (8) and is adjusted such that the absorber (1) has a dilute solution line communicating with the second absorber (12) via the third solution heat exchanger (14), the second absorber (12) has a dilute solution line communicating with the generator (2) via the solution pump (6) and the solution heat exchanger (8), the second generator (3) has a concentrated solution line communicating with the absorber (1) via the second solution pump (7) and the second solution heat exchanger (9) and is adjusted such that the second generator (3) has a concentrated solution line communicating with the third generator (11) via the second solution heat exchanger (9), and the third generator (11) has a concentrated solution line communicating with the third solution heat exchanger (7) and the third solution heat exchanger (11) (14) The heat and power combined supply system is communicated with the absorber (1), a steam exhaust channel of the power machine (10) is communicated with the outside, the third generator (11) is communicated with the outside through a condensate channel after the steam exhaust channel of the power machine (10) is communicated with the third generator (11), the third generator (11) is also communicated with the second absorber (12) through a steam channel, and the second absorber (12) is also communicated with the outside through a cooling medium channel to form a heat and power combined supply system; wherein, or after the power machine (10) is additionally provided with the steam exhaust channel to be communicated with the third generator (11), the third generator (11) is communicated with the outside through the condensate channel.

21. a combined heat and power system, in any one of the combined heat and power systems of claims 5 and 7, a third generator, a second absorber and a third solution heat exchanger are added, a dilute solution pipeline of the absorber (1) is communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8) and is adjusted to be communicated with the second absorber (12) through a third solution heat exchanger (14) by the absorber (1), the dilute solution pipeline of the second absorber (12) is communicated with the generator (2) through the solution pump (6) and the solution heat exchanger (8), a concentrated solution pipeline of the second generator (3) is communicated with the absorber (1) through the second solution pump (7) and the second solution heat exchanger (9) and is adjusted to be communicated with the third generator (11) through the second solution heat exchanger (9) by the second generator (3), the third generator (11) is communicated with the absorber (1) through a concentrated solution pipeline by a second solution pump (7) and a third solution heat exchanger (14), a condenser (4) is communicated with the outside through a second generator (3) and is adjusted to be that the condenser (4) is communicated with the outside through a condensed solution pipeline by a second generator (3) and a third generator (11), after a power machine (10) is communicated with the second generator (3) through an exhaust channel, the second generator (3) is communicated with the outside through a condensed fluid channel, the power machine (10) is sequentially communicated with the second generator (3) and the third generator (11) through an exhaust channel, the third generator (11) is communicated with the outside through a condensed fluid channel, the second absorber (12) is also communicated with the outside through a cooling medium channel, forming a combined heat and power system; wherein, or after the steam exhaust channel of the power machine (10) is communicated with the second generator (3), the condensate channel of the second generator (3) is communicated with the outside, and the condensate channel of the second generator (3) is communicated with the outside after the steam exhaust channel of the power machine (10) is communicated with the third generator (11) and the second generator (3) in sequence.

22. A combined heat and power system, in any one of the combined heat and power systems of claims 6 and 8, a third generator, a second absorber and a third solution heat exchanger are added, a dilute solution pipeline of the absorber (1) is communicated with the generator (2) through a solution pump (6) and a solution heat exchanger (8) and is adjusted to be communicated with the second absorber (12) through a third solution heat exchanger (14) by the absorber (1), the dilute solution pipeline of the second absorber (12) is communicated with the generator (2) through the solution pump (6) and the solution heat exchanger (8), a concentrated solution pipeline of the second generator (3) is communicated with the absorber (1) through a second solution pump (7) and the second solution heat exchanger (9) and is adjusted to be communicated with the third generator (11) through the second solution heat exchanger (9) by the second generator (3), the third generator (11) is communicated with the absorber (1) through a concentrated solution pipeline by a second solution pump (7) and a third solution heat exchanger (14), the condenser (4) is communicated with the outside through a second generator (3) and is adjusted to be that the condenser (4) is communicated with the outside through a condensed solution pipeline by a second generator (3) and a third generator (11), the power machine (10) is communicated with the second generator (3) through a first steam channel, then the second generator (3) is communicated with the outside through a condensed fluid channel, the power machine (10) is communicated with the second generator (3) and the third generator (11) through a first steam channel, then the third generator (11) is communicated with the outside through a condensed fluid channel, the third generator (11) is also communicated with the second absorber (12) through a steam channel, and the second absorber (12) are also communicated with the outside, forming a combined heat and power system; wherein, or after the power machine (10) is provided with a first steam channel to be communicated with the second generator (3), the condensate channel of the second generator (3) is communicated with the outside, and the power machine (10) is provided with a first steam channel to be communicated with the third generator (11) and the second generator (3) in sequence, and then the condensate channel of the second generator (3) is communicated with the outside.

23. A combined heat and power system as defined in claim 8, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber (1) has a dilute solution line communicating with the generator (2) via the solution pump (6) and the solution heat exchanger (8) and is adjusted such that the absorber (1) has a dilute solution line communicating with the second absorber (12) via the third solution heat exchanger (14), the second absorber (12) has a dilute solution line communicating with the generator (2) via the solution pump (6) and the solution heat exchanger (8), the second generator (3) has a concentrated solution line communicating with the absorber (1) via the second solution pump (7) and the second solution heat exchanger (9) and is adjusted such that the second generator (3) has a concentrated solution line communicating with the third generator (11) via the second solution heat exchanger (9), and the third generator (11) has a concentrated solution line communicating with the third solution heat exchanger (7) via the second solution pump and the third solution heat exchanger (9) (14) The condenser (4) is communicated with the outside through a second generator (3) and is adjusted to be communicated with the outside through a condensate pipeline of the condenser (4) through the second generator (3), the power machine (10) is communicated with the outside through a steam exhaust channel of the power machine (10) and is adjusted to be communicated with the outside through the steam exhaust channel of the power machine (10) and the third generator (11), then the third generator (11) is communicated with the outside through the condensate channel, the third generator (11) is also communicated with a steam channel of the second absorber (12), the second absorber (12) is also communicated with the outside through a cooling medium channel, and a heat and power combined supply system is formed; wherein, or after the power machine (10) is additionally provided with the steam exhaust channel to be communicated with the third generator (11), the third generator (11) is communicated with the outside through the condensate channel.

24. The combined heat and power system is characterized in that in any combined heat and power system of claims 1-23, a high-temperature heat medium channel for communicating the generator (2) with the outside is eliminated, a high-temperature steam channel is additionally arranged on the power machine (10) to be communicated with the generator (2), and then a high-temperature condensate channel is arranged on the generator (2) to be communicated with the outside to form the combined heat and power system.

25. The combined heat power system is characterized in that in any combined heat power system of claims 9-10, a high-temperature heat medium channel for respectively communicating the generator (2) and the third generator (11) with the outside is eliminated, a high-temperature steam channel is additionally arranged on the power machine (10) and is sequentially communicated with the generator (2) and the third generator (11), and then a high-temperature condensate channel of the third generator (11) is communicated with the outside to form the combined heat power system.