CN106524561B

CN106524561B - Combined heat and power system

Info

Publication number: CN106524561B
Application number: CN201610822200.4A
Authority: CN
Inventors: 李华玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-15
Filing date: 2016-08-31
Publication date: 2020-03-17
Anticipated expiration: 2036-08-31
Also published as: CN106524561A

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 evaporator, the throttle valve, the refrigerant liquid pump, the solution pump, the second solution pump, the solution heat exchanger and the second solution heat exchanger form an absorption heat pump circulating system; the refrigerant liquid provides a low-temperature heat load for the second generator, the power machine provides the low-temperature heat load for the second generator through the steam exhaust channel, and the power machine provides the low-temperature heat load for the evaporator through the first steam channel; the generator is provided with a high-temperature heat medium channel, the absorber, the condenser and a heated medium channel, and the second condenser is provided with a cooling medium channel which are respectively 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, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the absorber is provided with a dilute solution pipeline communicated with the generator through a solution pump and a solution heat exchanger, the generator is also provided with a concentrated solution pipeline communicated with the second generator through the solution heat exchanger and a second solution heat exchanger, the second generator is also provided with a concentrated solution pipeline communicated with the absorber through the second solution pump and the second solution heat exchanger, the generator is also provided with a refrigerant steam channel communicated with the condenser, the second generator is also provided with a refrigerant steam channel communicated with a second condenser, the condenser is also provided with a refrigerant liquid pipeline communicated with the second generator, then the second generator is further provided with a refrigerant liquid pipeline communicated with the evaporator through a throttle valve, the second condenser is further provided with a refrigerant liquid pipeline communicated with the evaporator through a refrigerant liquid pump, the evaporator is further provided with a refrigerant steam channel communicated with the absorber, the power machine is provided with a new steam channel communicated with the outside, the power machine or the steam exhaust channel is communicated with the outside, the condensate machine is further provided with the evaporator and the second generator in sequence, then the second generator is further provided 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.

2. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the absorber is provided with a dilute solution pipeline communicated with the generator through a solution pump and a solution heat exchanger, the generator is also provided with a concentrated solution pipeline communicated with the second generator through the solution heat exchanger and a second solution heat exchanger, the second generator is also provided with a concentrated solution pipeline communicated with the absorber through the second solution pump and the second solution heat exchanger, the generator is also provided with a refrigerant steam channel communicated with the condenser, the second generator is also provided with a refrigerant steam channel communicated with a second condenser, the condenser is also provided with a refrigerant liquid pipeline communicated with the second generator, then the second generator is further provided with a refrigerant liquid pipeline communicated with the evaporator through a throttle valve, the second condenser is further provided with a refrigerant liquid pipeline communicated with the evaporator through a refrigerant liquid pump, the evaporator is further provided with a refrigerant steam channel communicated with the absorber, the power machine is respectively provided with a new steam channel communicated with the outside and provided with an exhaust steam channel communicated with the outside, the power machine is further provided with a first steam channel communicated with the evaporator and the second generator in sequence, then the second The absorber and the condenser are 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.

3. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; 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 generator is also provided with a concentrated solution pipeline which is communicated with the second generator through the solution heat exchanger and a second solution heat exchanger, the second generator is also provided with a concentrated solution pipeline which is communicated with the absorber through the second solution pump and the second solution heat exchanger, the generator is also provided with a refrigerant steam channel which is communicated with the condenser, the second generator is also provided with a refrigerant steam channel which is communicated with a second condenser, the condenser is also provided with a refrigerant liquid pipeline which is communicated with the second generator, then the second generator is further provided with a refrigerant liquid pipeline which is communicated with the evaporator through a throttle valve, the second condenser is further provided with a refrigerant liquid pipeline which is communicated with the evaporator through a refrigerant liquid pump, the evaporator is further provided with a refrigerant steam channel which is communicated with the absorber, the power machine is provided with a new steam channel which is communicated with the outside, the power machine or the exhaust channel is communicated with the outside, and the power, the power machine is also provided with a first steam channel which is communicated with the evaporator, then the evaporator is further provided with a first condensate channel which is communicated with the outside, the absorber and the condenser are further respectively provided with a heated medium channel which is communicated with the outside, the second condenser is further provided with a cooling medium channel which is communicated with the outside, and the generator is further provided with a high-temperature heat medium channel which is 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, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; 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 generator is also provided with a concentrated solution pipeline which is communicated with the second generator through the solution heat exchanger and a second solution heat exchanger, the second generator is also provided with a concentrated solution pipeline which is communicated with the absorber through the second solution pump and the second solution heat exchanger, the generator is also provided with a refrigerant steam channel which is communicated with the condenser, the second generator is also provided with a refrigerant steam channel which is communicated with a second condenser, the condenser is also provided with a refrigerant liquid pipeline which is communicated with the second generator, then the second generator is further provided with a refrigerant liquid pipeline which is communicated with the evaporator through a throttle valve, the second condenser is further provided with a refrigerant liquid pipeline which is communicated with the evaporator through a refrigerant liquid pump, the evaporator is further provided with a refrigerant steam channel which is communicated with the absorber, the power machine is respectively provided with a new steam channel which is communicated with the outside and provided with an exhaust channel which is communicated with the outside, and the power machine, the power machine is also provided with a second steam channel which is communicated with the evaporator, then the evaporator is further provided with a second condensate channel which is communicated with the outside, the absorber and the condenser are further respectively provided with a heated medium channel which is communicated with the outside, the second condenser is further provided with a cooling medium channel which is communicated with the outside, and the generator is further provided with a high-temperature heat medium channel which is communicated with the outside to form a heat and power combined supply system.

5. 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 of items 1 to 4, 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 refrigerant vapor 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.

6. A combined heat and power system is characterized in that 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 1-4, the generator is provided with a refrigerant vapor passage communicated with a condenser and adjusted to be provided with a refrigerant vapor 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 refrigerant vapor 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.

7. The combined heat and power system is characterized in that in any one of the combined heat and power systems described in items 1-6, a throttle valve is omitted, a refrigerant liquid pipeline of a second generator is communicated with an evaporator through the throttle valve, and the refrigerant liquid pipeline of the second generator is communicated with the evaporator to form the combined heat and power system.

8. The combined heat and power system is characterized in that a third generator, a third solution pump and a third solution heat exchanger are added in any combined heat and power system of items 1-4, the absorber is additionally provided with a dilute solution pipeline which is communicated with a third generator through a third solution pump and a third solution heat exchanger, the third generator is also provided with a concentrated solution pipeline which is communicated with the second generator through the third solution heat exchanger and the second solution heat exchanger, the generator is adjusted to be communicated with a condenser through a cryogen steam channel, the third generator is communicated with an evaporator through a cryogen steam channel after the generator is communicated with the third generator, the third generator is also communicated with the condenser through a cryogen liquid pipeline, the second generator and the second throttle valve, the heat supplier is also communicated with a heated medium channel, and the heat supplier is also communicated with the outside to form a thermodynamic combined supply system.

9. A combined heat power supply system, wherein a third generator, a third solution heat exchanger, a second throttle valve and a heat supply device are added in any one of the combined heat power supply systems 1-4, 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 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 communicated with the third generator through the third solution heat exchanger, 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, a refrigerant vapor channel of the generator is communicated with a condenser and is adjusted to be communicated with the generator through a refrigerant vapor channel and the third generator, and a refrigerant liquid pipeline of the third generator is communicated with the heat supply device through the heat supply device, The second generator and the second throttle valve are communicated with the evaporator, the third generator is also communicated with the refrigerant steam channel and the condenser, and the heat supply device is also communicated with the outside by a heated medium channel to form a heat and power combined supply system.

10. A combined heat and power system, wherein a third generator, a third solution pump, a third solution heat exchanger, a second throttle valve and a heat supply device are added to any of the combined heat and power systems of items 1 to 4, a dilute solution pipeline of an absorber is communicated with a generator through the solution pump and the solution heat exchanger and is adjusted to be communicated with the generator through the solution pump and the solution heat exchanger, a concentrated solution pipeline of the third generator is communicated with the generator through the third solution pump 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, the solution heat exchanger and the second solution heat exchanger, a refrigerant vapor channel of the generator is communicated with a condenser, and a refrigerant vapor channel of the generator is communicated with the third generator, and a refrigerant liquid pipeline of the third generator is adjusted to be communicated with the third generator through the refrigerant vapor channel of the generator The heat supply device is communicated with the evaporator through a heat supply device, a second generator and a second throttle valve, the third generator is also communicated with a refrigerant steam channel and a condenser, and the heat supply device is also communicated with the outside through a heated medium channel to form a heat and power combined supply system.

11. The combined heat and power system according to any one of items 8 to 10, wherein the third generator is provided with a high-temperature heat medium passage to communicate with the outside, thereby forming the combined heat and power system.

12. The combined heat and power system according to any one of claims 8 to 11, wherein a throttle valve and a second throttle valve are omitted, the second generator is adjusted to have a refrigerant liquid pipeline communicated with the evaporator through the throttle valve, the second generator is adjusted to have a refrigerant liquid pipeline communicated with the evaporator through the second throttle valve, and the second generator is adjusted to have a refrigerant liquid pipeline communicated with the evaporator through the second throttle valve, so that the second generator is formed.

13. A combined heat and power system as described in claim 1, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber is adjusted to have a dilute solution pipeline communicated with the generator via a solution pump and a solution heat exchanger such that the absorber has a dilute solution pipeline communicated with the second absorber via the third solution heat exchanger, the second absorber has a dilute solution pipeline communicated with the generator via a solution pump and a solution heat exchanger, the second generator has a concentrated solution pipeline communicated with the absorber via 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 via a second solution heat exchanger, the third generator has a concentrated solution pipeline communicated with the absorber via a second solution pump and a third solution heat exchanger, the condenser has a refrigerant liquid pipeline communicated with the second generator via a throttle valve, and the second generator has a refrigerant liquid pipeline communicated with the evaporator via a throttle valve such that the condenser has a refrigerant liquid pipeline communicated with the evaporator via a refrigerant liquid pipeline After the second generator is communicated with the third generator, a refrigerant liquid pipeline of the third generator is communicated with the evaporator through a throttle valve, a steam exhaust channel of the power machine is communicated with the evaporator and the second generator in sequence, then a condensate channel of the second generator is communicated with the outside, the condensate channel of the third generator is communicated with the outside after the steam exhaust channel of the power machine is communicated with the evaporator, the second generator and the third generator in sequence, the third generator is also communicated with a refrigerant steam channel and a second absorber, and the second absorber is also communicated with the outside through a cooling medium channel, so that a combined heat and power system is formed.

14. A combined heat and power system as set forth in claim 2, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber is adjusted to have a dilute solution pipeline communicated with the generator via a solution pump and a solution heat exchanger such that the absorber has a dilute solution pipeline communicated with the second absorber via the third solution heat exchanger, the second absorber has a dilute solution pipeline communicated with the generator via a solution pump and a solution heat exchanger, the second generator has a concentrated solution pipeline communicated with the absorber via 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 via a second solution heat exchanger, the third generator has a concentrated solution pipeline communicated with the absorber via a second solution pump and a third solution heat exchanger, the condenser has a refrigerant liquid pipeline communicated with the second generator via a throttle valve, and the second generator has a refrigerant liquid pipeline communicated with the evaporator via a throttle valve such that the condenser has a refrigerant liquid pipeline communicated with the evaporator via a refrigerant liquid pipeline After the second generator is communicated with the third generator, a refrigerant liquid pipeline of the third generator is communicated with the evaporator through a throttle valve, a first steam channel of the power machine is sequentially communicated with the evaporator and a first condensate channel of the second generator is communicated with the outside, the power machine is adjusted to be provided with a first steam channel, a first condensate channel of the third generator is communicated with the outside after the second generator and the third generator are sequentially communicated, the third generator is also communicated with a second absorber, and a cooling medium channel of the second absorber is communicated with the outside, so that a combined heat and power system is formed.

15. A combined heat and power system as set forth in claim 3, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber is adjusted to have a dilute solution pipeline communicated with the generator via a solution pump and a solution heat exchanger such that the absorber has a dilute solution pipeline communicated with the second absorber via the third solution heat exchanger, the second absorber has a dilute solution pipeline communicated with the generator via a solution pump and a solution heat exchanger, the second generator has a concentrated solution pipeline communicated with the absorber via 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 via a second solution heat exchanger, the third generator has a concentrated solution pipeline communicated with the absorber via a second solution pump and a third solution heat exchanger, the condenser has a refrigerant liquid pipeline communicated with the second generator via a throttle valve, and the second generator has a refrigerant liquid pipeline communicated with the evaporator via a throttle valve such that the condenser has a refrigerant liquid pipeline communicated with the evaporator via a refrigerant liquid pipeline After the second generator is communicated with the third generator, a refrigerant liquid pipeline of the third generator is communicated with the evaporator through a throttle valve, a condensate passage of the second generator is communicated with the outside after a steam exhaust passage of the power machine is communicated with the second generator, and the condensate passage of the second generator is communicated with the outside after the steam exhaust passage of the power machine is communicated with the second generator through the third generator; or the steam exhaust channel of the power machine is communicated with the second generator and then the condensate channel of the second generator is communicated with the outside, so that the steam exhaust channel of the power machine is communicated with the third generator through the second generator and then the condensate channel of the third generator is communicated with the outside.

16. A combined heat and power system as set forth in claim 4, wherein a third generator, a second absorber and a third solution heat exchanger are added, 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 refrigerant liquid pipeline communicated with the second generator through a throttle valve, and the second generator has a refrigerant liquid pipeline communicated with the evaporator through a throttle valve such that the condenser has a refrigerant liquid pipeline communicated with the evaporator through a refrigerant liquid pipeline After the second generator is communicated with the third generator, a refrigerant liquid pipeline of the third generator is communicated with the evaporator through a throttle valve, after a first steam channel of the power machine is communicated with the second generator, a first condensate channel of the second generator is communicated with the outside, the power machine is adjusted to be that after the first steam channel of the power machine is communicated with the second generator through the third generator, a first condensate channel of the second generator is communicated with the outside, a refrigerant 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, so that a thermodynamic combined supply system is formed; or the power machine is adjusted to be provided with the first steam channel communicated with the second generator and then the first condensate channel communicated with the outside, and the power machine is adjusted to be provided with the first steam channel communicated with the third generator and then the first condensate channel communicated with the outside.

17. A combined heat and power system as set forth in claim 4, wherein a third generator, a second absorber and a third solution heat exchanger are added, 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 refrigerant liquid pipeline communicated with the second generator through a throttle valve, and the second generator has a refrigerant liquid pipeline communicated with the evaporator through a throttle valve such that the condenser has a refrigerant liquid pipeline communicated with the evaporator through a refrigerant liquid pipeline After the second generator is communicated with the third generator, a refrigerant liquid pipeline of the third generator is communicated with the evaporator through a throttle valve, the communication between a steam exhaust channel of the power machine and the outside is adjusted to be that after the steam exhaust channel of the power machine is communicated with the third generator, a condensate channel of the third generator is communicated with the outside, a refrigerant steam channel of the third generator is communicated with the 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.

18. The combined heat and power system is characterized in that in any one of the combined heat and power systems of items 13-17, a throttle valve is omitted, a refrigerant liquid pipeline of a third generator is communicated with an evaporator through the throttle valve, and the third generator is communicated with the evaporator through the refrigerant liquid pipeline, so that the combined heat and power system is formed.

19. The thermodynamic combined supply system is characterized in that a preheater is added in the thermodynamic combined supply system in the item 3, a refrigerant liquid pipeline of a second condenser is communicated with an evaporator through a refrigerant liquid pump and is adjusted to be communicated with the evaporator through the refrigerant liquid pump and the preheater, a condensate passage of a second generator is communicated with the outside and is adjusted to be communicated with the outside through the condensate passage of the second generator, and the preheater is communicated with the outside to form the thermodynamic combined supply system.

20. The combined heat and power system is characterized in that in any one of the combined heat and power systems 1-19, 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.

21. The combined heat and power system is characterized in that in any of the combined heat and power systems of items 5 to 6, 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 view of the structure and flow of the 1 st embodiment of the cogeneration system according to the present invention.

Fig. 2 is a schematic view of the structure and flow of the 2 nd co-generation system according to the present invention.

Fig. 3 is a schematic diagram of the structure and flow of the 3 rd co-generation system according to the present invention.

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

Fig. 5 is a schematic diagram of the structure and flow of the 5 th embodiment of the cogeneration system according to the invention.

Fig. 6 is a schematic view of the structure and flow of the combined heat and power system of the 6 th embodiment according to the present invention.

Fig. 7 is a schematic diagram of the 7 th structure and flow of the cogeneration system according to the invention.

Fig. 8 is a schematic diagram of an 8 th structure and flow of the cogeneration system provided by the invention.

Fig. 9 is a schematic diagram of a 9 th structure and process of the cogeneration system according to the invention.

Fig. 10 is a schematic diagram of a 10 th structure and process of the cogeneration system according to the invention.

Fig. 11 is a schematic view of an 11 th structure and process of the cogeneration system according to the invention.

Fig. 12 is a schematic diagram of a 12 th configuration and flow of the cogeneration system provided by the present invention.

In the figure, 1-absorber, 2-generator, 3-second generator, 4-condenser, 5-second condenser, 6-evaporator, 7-throttle valve, 8-refrigerant liquid pump, 9-solution pump, 10-second solution pump, 11-solution heat exchanger, 12-second solution heat exchanger, 13-power machine, 14-third generator, 15-second absorber, 16-third solution pump, 17-third solution heat exchanger, 18-second throttle valve, 19-heat supplier, 20-preheater.

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, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the absorber 1 is provided with a dilute solution pipeline which is communicated with the generator 2 through a solution pump 9 and a solution heat exchanger 11, the generator 2 is also provided with a concentrated solution pipeline which is communicated with the second generator 3 through the solution heat exchanger 11 and a second solution heat exchanger 12, the second generator 3 is also provided with a concentrated solution pipeline which is communicated with the absorber 1 through a second solution pump 10 and a second solution heat exchanger 12, the generator 2 is also provided with a refrigerant steam channel which is communicated with the condenser 4, the second generator 3 is also provided with a refrigerant steam channel which is communicated with the second condenser 5, the second generator 3 is also provided with a refrigerant liquid pipeline which is communicated with the second generator 3, then the refrigerant liquid pipeline of the second generator 3 is communicated with the evaporator 6 through a throttle valve 7, the second condenser 5 is also provided with a refrigerant liquid pipeline which is communicated with the evaporator 6 through a liquid pump 8, the evaporator 6 is also provided with a refrigerant steam channel which is communicated with the generator 1, and a new, the power machine 13 is also provided with a steam exhaust channel which is communicated with the evaporator 6 and the second generator 3 in sequence, then the second generator 3 is also provided with a condensate channel which is communicated with the outside, the absorber 1 and the condenser 4 are also respectively provided with a heated medium channel which is communicated with the outside, the second condenser 5 is also provided with a cooling medium channel which is communicated with the outside, and the generator 2 is also provided with a high-temperature heat medium channel which is communicated with the outside.

(2) In the process, the new steam enters the power machine 13 to reduce the pressure and do work, the exhaust steam of the power machine 13 flows through the evaporator 6 and the second generator 3 to gradually release heat and condense, and then is discharged outwards; the dilute solution of the absorber 1 enters the generator 2 through the solution pump 9 and the solution heat exchanger 11, the high-temperature heat medium flows through the generator 2, heats the solution entering the generator to release refrigerant vapor and provide the refrigerant vapor to the condenser 4, the concentrated solution of the generator 2 enters the second generator 3 through the solution heat exchanger 11 and the second solution heat exchanger 12, absorbs heat to release refrigerant vapor and provides the refrigerant vapor to the second condenser 5, and the concentrated solution of the second generator 3 enters the absorber 1 through the second solution pump 10 and the second solution heat exchanger 12, absorbs refrigerant vapor and releases heat to the heated medium; the refrigerant steam of the condenser 4 releases heat to the heated medium to form refrigerant liquid, the refrigerant liquid of the condenser 4 flows through the second generator 3 and releases heat, then flows through the throttle valve 7, is throttled and depressurized, enters the evaporator 6, absorbs heat to form refrigerant steam and is provided for the absorber 1, the refrigerant steam of the second condenser 5 releases heat to the cooling medium to form refrigerant liquid, the refrigerant liquid of the second condenser 5 flows through the refrigerant liquid pump 8, is pressurized, enters the evaporator 6, absorbs heat to form refrigerant steam and is provided for the absorber 1, and a thermodynamic combined supply 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, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the absorber 1 is provided with a dilute solution pipeline which is communicated with the generator 2 through a solution pump 9 and a solution heat exchanger 11, the generator 2 is also provided with a concentrated solution pipeline which is communicated with the second generator 3 through the solution heat exchanger 11 and a second solution heat exchanger 12, the second generator 3 is also provided with a concentrated solution pipeline which is communicated with the absorber 1 through a second solution pump 10 and a second solution heat exchanger 12, the generator 2 is also provided with a refrigerant steam channel which is communicated with the condenser 4, the second generator 3 is also provided with a refrigerant steam channel which is communicated with the second condenser 5, the second generator 3 is also provided with a refrigerant liquid pipeline which is communicated with the second generator 3, then the second generator 3 is provided with a refrigerant liquid pipeline which is communicated with the evaporator 6 through a throttle valve 7, the second condenser 5 is also provided with a refrigerant liquid pipeline which is communicated with the evaporator 6 through a liquid pump 8, the evaporator 6 is also provided with a refrigerant steam channel which is communicated with the generator 1, a power machine 13 is respectively provided with a, the power machine 13 is also provided with a first steam channel which is communicated with the evaporator 6 and the second generator 3 in sequence, then the second generator 3 is also provided with a first condensate channel which is communicated with the outside, the absorber 1 and the condenser 4 are also respectively provided with a heated medium channel which is communicated with the outside, the second condenser 5 is also provided with a cooling medium channel which is communicated with the outside, and the generator 2 is also provided with a high-temperature heat medium channel which is communicated with the outside.

(2) Compared with the working process of the heat and power cogeneration system shown in fig. 1, the process is changed in that the new steam enters the power machine 13 to be decompressed and work, and then is divided into two paths, the first path is provided for the evaporator 6 and the second generator 3 through the first steam channel to release heat and condense and then is discharged outwards, and the second path is discharged outwards after being decompressed and work, so that the heat and power cogeneration 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, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the absorber 1 is provided with a dilute solution pipeline which is communicated with the generator 2 through a solution pump 9 and a solution heat exchanger 11, the generator 2 is also provided with a concentrated solution pipeline which is communicated with the second generator 3 through the solution heat exchanger 11 and a second solution heat exchanger 12, the second generator 3 is also provided with a concentrated solution pipeline which is communicated with the absorber 1 through a second solution pump 10 and a second solution heat exchanger 12, the generator 2 is also provided with a refrigerant steam channel which is communicated with the condenser 4, the second generator 3 is also provided with a refrigerant steam channel which is communicated with the second condenser 5, the second generator 3 is also provided with a refrigerant liquid pipeline which is communicated with the second generator 3, then the refrigerant liquid pipeline of the second generator 3 is communicated with the evaporator 6 through a throttle valve 7, the second condenser 5 is also provided with a refrigerant liquid pipeline which is communicated with the evaporator 6 through a liquid pump 8, the evaporator 6 is also provided with a refrigerant steam channel which is communicated with the generator 1, and a new, the power machine 13 is also provided with an exhaust passage communicated with the outside, the second generator 3 is provided with a condensate passage communicated with the outside after the power machine 13 is also provided with the exhaust passage communicated with the second generator 3, the evaporator 6 is provided with a first condensate passage communicated with the outside after the power machine 13 is also provided with a first steam passage communicated with the evaporator 6, the absorber 1 and the condenser 4 are also provided with a heated medium passage communicated with the outside respectively, the second condenser 5 is also provided with a cooling medium passage communicated with the outside, and the generator 2 is also provided with a high-temperature thermal medium passage communicated with the outside.

(2) Compared with the working process of the heat-power combined supply system shown in fig. 1, the process is changed in that new steam enters the power machine 13 to be decompressed and work, then is divided into three paths, steam with higher pressure relative to steam exhaust is supplied to the evaporator 6 through the first steam channel to be discharged after heat release and condensation, part of the steam exhaust after the decompression and work is supplied to the second generator 3 to be released and condensed and discharged outside, and the other part of the steam exhaust after the decompression and work is discharged outside to form the heat-power combined supply system.

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, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the absorber 1 is provided with a dilute solution pipeline which is communicated with the generator 2 through a solution pump 9 and a solution heat exchanger 11, the generator 2 is also provided with a concentrated solution pipeline which is communicated with the second generator 3 through the solution heat exchanger 11 and a second solution heat exchanger 12, the second generator 3 is also provided with a concentrated solution pipeline which is communicated with the absorber 1 through a second solution pump 10 and a second solution heat exchanger 12, the generator 2 is also provided with a refrigerant steam channel which is communicated with the condenser 4, the second generator 3 is also provided with a refrigerant steam channel which is communicated with the second condenser 5, the second generator 3 is also provided with a refrigerant liquid pipeline which is communicated with the second generator 3, then the second generator 3 is provided with a refrigerant liquid pipeline which is communicated with the evaporator 6 through a throttle valve 7, the second condenser 5 is also provided with a refrigerant liquid pipeline which is communicated with the evaporator 6 through a liquid pump 8, the evaporator 6 is also provided with a refrigerant steam channel which is communicated with the generator 1, a power machine 13 is respectively provided with a, the power machine 13 is also provided with a first steam channel communicated with the second generator 3, then the second generator 3 is provided with a first condensate channel communicated with the outside, the power machine 13 is also provided with a second steam channel communicated with the evaporator 6, then the evaporator 6 is provided with a second condensate channel 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.

(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 13 to reduce the pressure and do work, the new steam is respectively supplied to the evaporator 6 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 first steam is discharged outwards after being subjected to heat release and condensation through the second generator 3, and the second steam is discharged outwards after being subjected to heat release and condensation through the evaporator 6, so that a combined heat and power system is formed.

The combined heat and power system shown in fig. 5 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 9 and the solution heat exchanger 11, a dilute solution pipeline of the absorber 1 is communicated with a second absorber 15 through the solution pump 9 and the solution heat exchanger 11, a dilute solution pipeline of the second absorber 15 is communicated with the generator 2 through a third solution pump 16 and a third solution heat exchanger 17, a concentrated solution pipeline of the generator 2 is communicated with the second generator 3 through the solution heat exchanger 11 and a second solution heat exchanger 12, a concentrated solution pipeline of the generator 2 is communicated with the third generator 14 through the third solution heat exchanger 17, and a concentrated solution pipeline of the third generator 14 is communicated with the second generator 3 through the solution heat exchanger 11 and the second solution heat exchanger 12, the third generator 14 is also communicated with the second absorber 15 through a refrigerant vapor passage, the third generator 14 is also communicated with the outside through a high-temperature heat medium passage, and the second absorber 15 is also communicated with the outside through a heated medium passage.

(2) In the process, dilute solution in the absorber 1 enters the second absorber 15 through the solution pump 9 and the solution heat exchanger 11, absorbs refrigerant steam and releases heat to a heated medium, dilute solution in the second absorber 15 enters the generator 2 through the third solution pump 16 and the third solution heat exchanger 17, concentrated solution in the generator 2 enters the third generator 14 through the third solution heat exchanger 17, high-temperature heat medium flows through the third generator 14, heats the solution entering the third generator 14, releases refrigerant steam and is provided for the second absorber 15, and concentrated solution in the third generator 14 enters the second generator 3 through the solution heat exchanger 11 and the second solution heat exchanger 12, so that a thermodynamic combined supply system is formed.

The combined heat and power system shown in fig. 6 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 refrigerant vapor passage of the generator 2 is communicated with the condenser 4, the generator 2 is adjusted to be communicated with the second absorber 15 through the refrigerant vapor passage, the second absorber 15 is further communicated with a dilute solution pipeline through a third solution pump 16 and a third solution heat exchanger 17 with a third generator 14, the third generator 14 is further communicated with the second absorber 15 through a concentrated solution pipeline through the third solution heat exchanger 17, the third generator 14 is further communicated with the condenser 4 through the refrigerant vapor passage, the third generator 14 is further communicated with the outside through a high-temperature heat medium passage, and the second absorber 15 is further communicated with the outside through a heated medium passage.

(2) In the process, refrigerant steam generated by the generator 2 enters the second absorber 15, dilute solution in the second absorber 15 enters the third generator 14 through the third solution pump 16 and the third solution heat exchanger 17, high-temperature heat medium flows through the third generator 14, heats the solution entering the third generator 14 to release the refrigerant steam and provide the refrigerant steam for the condenser 4, and concentrated solution in the third generator 14 enters the second absorber 15 through the third solution heat exchanger 17, absorbs the refrigerant steam and releases heat to the heated medium, so that a combined heat and power system is formed.

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

(1) structurally, in the combined heat and power system shown in FIG. 3, a third generator, a third solution pump and a third solution heat exchanger are added, the absorber 1 is additionally provided with a dilute solution pipeline which is communicated with a third generator 14 through a third solution pump 16 and a third solution heat exchanger 17, the third generator 14 is also provided with a concentrated solution pipeline which is communicated with a second generator 3 through the third solution heat exchanger 17 and a second solution heat exchanger 12, the generator 2 is adjusted to be communicated with the condenser 4 through a refrigerant steam channel, after the generator 2 is communicated with the third generator 14 through the third solution heat exchanger 17 and the second solution heat exchanger 12, the third generator 14 is communicated with the evaporator 6 through a refrigerant liquid pipeline which is communicated with a heater 19, the second generator 3 and a second throttle valve 18, the third generator 14 is also provided with a refrigerant steam channel which is communicated with the condenser 4, and the heater 19 is also provided with a heated medium channel which is communicated with the outside.

(2) In the process, refrigerant steam generated by the generator 2 is provided for the third generator 14 to be used as a driving heat medium, part of dilute solution in the absorber 1 enters the third generator 14 through the third solution pump 16 and the third solution heat exchanger 17, the refrigerant steam flows through the third generator 14, heats the solution entering the third generator 14 to release the refrigerant steam and is provided for the condenser 4, and concentrated solution in the third generator 14 enters the second generator 3 through the third solution heat exchanger 17 and the second solution heat exchanger 12; the refrigerant steam flowing through the third generator 14 releases heat to form refrigerant liquid, the refrigerant liquid flows through the heat supply device 19 and the second generator 3 and gradually releases heat, and then the refrigerant liquid is throttled and depressurized through the second throttling valve 18 to enter the evaporator 6 to form a combined heat and power system.

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

(1) structurally, in the combined heat power system shown in FIG. 3, a third generator 14, a third solution heat exchanger, a second throttle valve and a heat supply device are added, wherein a dilute solution pipeline of an absorber 1 is communicated with a generator 2 through a solution pump 9 and a solution heat exchanger 11, the dilute solution pipeline of the absorber 1 is communicated with the generator 2 through the solution pump 9, the solution heat exchanger 11 and a third solution heat exchanger 17, a concentrated solution pipeline of the generator 2 is communicated with a second generator 3 through the solution heat exchanger 11 and a second solution heat exchanger 12, a concentrated solution pipeline of the generator 2 is communicated with a third generator 14 through the third solution heat exchanger 17, the concentrated solution pipeline of the third generator 14 is communicated with the second generator 3 through the solution heat exchanger 11 and the second solution heat exchanger 12, a refrigerant vapor channel of the generator 2 is communicated with a condenser 4, and the refrigerant vapor channel of the generator 2 is communicated with the third generator 14 The liquid pipeline is communicated with the evaporator 6 through a heat supply device 19, the second generator 3 and the second throttling valve 18, the third generator 14 is also communicated with the condenser 4 through a refrigerant steam channel, the heat supply device 19 is also communicated with the outside through a heated medium channel, and the third generator 14 is also communicated with the outside through a high-temperature heat medium channel.

(2) In the process, the high-temperature heat medium and the refrigerant steam generated by the generator 2 are supplied to a third generator 14 as a driving heat medium, the dilute solution in the absorber 1 enters the generator 2 through a solution pump 9, a solution heat exchanger 11 and a third solution heat exchanger 17, the concentrated solution in the generator 2 enters the third generator 14 through the third solution heat exchanger 17, the refrigerant steam and the high-temperature heat medium respectively flow through the third generator 14, heat the solution entering the third generator 14 to release the refrigerant steam and supply the refrigerant steam to the condenser 4, and the concentrated solution in the third generator 14 enters the second generator 3 through the solution heat exchanger 11 and a second solution heat exchanger 12; the refrigerant steam flowing through the third generator 14 releases heat to form refrigerant liquid, the refrigerant liquid flows through the heat supply device 19 and the second generator 3 and gradually releases heat, and then the refrigerant liquid is throttled and depressurized through the second throttling valve 18 to enter the evaporator 6 to form 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 third solution pump, a third solution heat exchanger, a second throttle valve and a heat supply device are added, wherein a dilute solution pipeline of an absorber 1 is communicated with a generator 2 through a solution pump 9 and a solution heat exchanger 11, a dilute solution pipeline of the absorber 1 is communicated with a third generator 14 through the solution pump 9 and the solution heat exchanger 11, a concentrated solution pipeline of the third generator 14 is communicated with the generator 2 through a third solution pump 16 and the third solution heat exchanger 17, a concentrated solution pipeline of the generator 2 is communicated with the second generator 3 through the solution heat exchanger 11 and the second solution heat exchanger 12, a concentrated solution pipeline of the generator 2 is communicated with the second generator 3 through the third solution heat exchanger 17, the solution heat exchanger 11 and the second solution heat exchanger 12, a refrigerant vapor channel of the generator 2 is communicated with a condenser 4, and a refrigerant vapor channel of the generator 2 is communicated with the After the heat supply, the third generator 14 is communicated with the evaporator 6 through a refrigerant liquid pipeline, the heat supply device 19, the second generator 3 and the second throttle valve 18, the third generator 14 is further communicated with the condenser 4 through a refrigerant steam channel, and the heat supply device 19 is further communicated with the outside through a heated medium channel.

(2) In the process, refrigerant steam generated by the generator 2 is supplied to a third generator 14 as a driving heat medium, dilute solution in the absorber 1 enters the third generator 14 through a solution pump 9 and a solution heat exchanger 11, the refrigerant steam flows through the third generator 14, heats the solution entering the third generator 14 to release the refrigerant steam and supply the refrigerant steam to the condenser 4, concentrated solution in the third generator 14 enters the generator 2 through a third solution pump 16 and a third solution heat exchanger 17, and concentrated solution in the generator 2 enters the second generator 3 through the third solution heat exchanger 17, the solution heat exchanger 11 and a second solution heat exchanger 12; the refrigerant steam flowing through the third generator 14 releases heat to form refrigerant liquid, the refrigerant liquid flows through the heat supply device 19 and the second generator 3 and gradually releases heat, and then the refrigerant liquid is throttled and depressurized through the second throttling valve 18 to enter the evaporator 6 to form a combined heat and power 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. 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 9 and a solution heat exchanger 11, a dilute solution pipeline of the absorber 1 is communicated with a second absorber 15 through a third solution heat exchanger 17, a dilute solution pipeline of the second absorber 15 is communicated with the generator 2 through the solution pump 9 and the solution heat exchanger 11, a concentrated solution pipeline of the second generator 3 is communicated with the absorber 1 through a second solution pump 10 and a second solution heat exchanger 12, a concentrated solution pipeline of the second generator 3 is communicated with a third generator 14 through a second solution heat exchanger 12, a concentrated solution pipeline of the third generator 14 is communicated with the absorber 1 through a second solution pump 10 and a third solution heat exchanger 17, a refrigerant liquid pipeline of the second generator 3 is communicated with the second generator 3 through a joint after a refrigerant liquid pipeline of the condenser 4 is communicated with the second generator 3 The throttle valve 7 is communicated with the evaporator 6 and adjusted to enable the condenser 4 to be communicated with the third generator 14 through the second generator 3 and then the third generator 14 is communicated with the evaporator 6 through the throttle valve 7, the power machine 13 is communicated with the second generator 3 through the steam exhaust channel and then the second generator 3 is communicated with the outside through the condensate channel, the third generator 14 is further communicated with the second absorber 15 through the refrigerant steam channel, and the second absorber 15 is further communicated with the outside through the cooling medium channel.

(2) In the process, the new steam enters the power machine 13 to be decompressed and work, and then is divided into three paths, the steam with higher pressure is supplied to the evaporator 6 through the first steam channel to be discharged after heat release and condensation, a part of the discharged steam after the decompression and work is finished is supplied to the third generator 14 and the second generator 3 to be released and condensed and discharged outside, and the other part of the discharged steam after the decompression and work is finished is discharged outside; the refrigerant liquid of the condenser 4 flows through the second generator 3 and the third generator 14 and gradually releases heat, and then enters the evaporator 6 after being throttled and depressurized by the throttle valve 7; the dilute solution in the absorber 1 enters a second absorber 15 through a third solution heat exchanger 17, absorbs refrigerant vapor and releases heat to a cooling medium, and the dilute solution in the second absorber 15 enters the generator 2 through a solution pump 9 and a solution heat exchanger 11; the concentrated solution of the second generator 3 enters a third generator 14 through a second solution heat exchanger 12, absorbs heat to release refrigerant steam and is provided for a second absorber 15, and the concentrated solution of the third generator 14 enters the absorber 1 through a second solution pump 10 and a third solution heat exchanger 17 to form a combined heat and power system.

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

(1) structurally, in the combined heat and power system shown in fig. 3, a preheater is added, the refrigerant liquid pipeline of the second condenser 5 is communicated with the evaporator 6 through the refrigerant liquid pump 8 and the preheater 20, the condensate passage of the second generator 3 is communicated with the outside, and the condensate passage of the second generator 3 is communicated with the outside through the preheater 20.

(2) In the flow, the refrigerant liquid of the second condenser 5 is boosted by the refrigerant liquid pump 8, flows through the preheater 15 and absorbs heat, and then enters the evaporator 6; part of exhaust steam of the power machine 13 flows through the second generator 3 to release heat and is condensed, and condensate flows through the preheater 20 to release heat and is discharged to the outside, so that a combined heat and power system is formed.

The combined heat and power system shown in fig. 12 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, a high-temperature steam passage is additionally arranged on the power machine 13 to communicate with the generator 2, and then a high-temperature condensate passage is arranged on the generator 2 to communicate with the outside; the power machine 13 provides high-temperature driving heat load to the generator 2 through the high-temperature steam channel, provides low-temperature heat load to the evaporator 6 through the first steam channel and provides low-temperature heat load to the second generator 3 through the steam exhaust channel respectively, and a combined heat and power system is formed.

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 power machine exhaust steam, the first steam and the second steam channel provide low-temperature heat load for the evaporator and the second generator independently or respectively, and the second generator and the second condenser are combined to realize effective utilization of temperature difference between the exhaust steam or low-pressure extraction steam at the tail end of the steam power device and a cold environment.

(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, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the absorber (1) is provided with a dilute solution pipeline which is communicated with the generator (2) through a solution pump (9) and a solution heat exchanger (11), the generator (2) is also provided with a concentrated solution pipeline which is communicated with the second generator (3) through the solution heat exchanger (11) and a second solution heat exchanger (12), the second generator (3) is also provided with a concentrated solution pipeline which is communicated with the absorber (1) through a second solution pump (10) and the second solution heat exchanger (12), the generator (2) is also provided with a refrigerant steam channel which is communicated with the condenser (4), the second generator (3) is also provided with a refrigerant steam channel which is communicated with the second condenser (5), the condenser (4) is also provided with a refrigerant liquid pipeline which is communicated with the evaporator (6) through a throttle valve (7) after the second generator (3) is communicated with the refrigerant liquid pipeline, the second condenser (5) is also provided with the evaporator (6) through a refrigerant liquid pump (8), the evaporator (6) is also provided with a refrigerant steam channel to be communicated with the absorber (1), the power machine (13) is provided with a new steam channel to be communicated with the outside, the power machine (13) or the steam exhaust channel is communicated with the outside, the power machine (13) is also provided with a steam exhaust channel to be sequentially communicated with the evaporator (6) and the second generator (3), then the second generator (3) is also provided with a condensate channel to be communicated with the outside, the absorber (1) and the condenser (4) are also respectively provided with a heated medium channel to be communicated with the outside, the second condenser (5) is also provided with a cooling medium channel to be communicated with the outside, and the generator (2) is also provided with a high-temperature heat medium channel to be communicated with the outside to form a.

2. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the absorber (1) is provided with a dilute solution pipeline which is communicated with the generator (2) through a solution pump (9) and a solution heat exchanger (11), the generator (2) is also provided with a concentrated solution pipeline which is communicated with the second generator (3) through the solution heat exchanger (11) and a second solution heat exchanger (12), the second generator (3) is also provided with a concentrated solution pipeline which is communicated with the absorber (1) through a second solution pump (10) and the second solution heat exchanger (12), the generator (2) is also provided with a refrigerant steam channel which is communicated with the condenser (4), the second generator (3) is also provided with a refrigerant steam channel which is communicated with the second condenser (5), the condenser (4) is also provided with a refrigerant liquid pipeline which is communicated with the evaporator (6) through a throttle valve (7) after the second generator (3) is communicated with the refrigerant liquid pipeline, the second condenser (5) is also provided with the evaporator (6) through a refrigerant liquid pump (8), the evaporator (6) is also provided with a refrigerant steam channel to be communicated with the absorber (1), the power machine (13) is respectively provided with a new steam channel to be communicated with the outside and an exhaust steam channel to be communicated with the outside, the power machine (13) is also provided with a first steam channel to be sequentially communicated with the evaporator (6) and the second generator (3), then the second generator (3) is also provided with a first condensate channel to be communicated with the outside, the absorber (1) and the condenser (4) are also respectively provided with a heated medium channel to be communicated with the outside, the second condenser (5) is also provided with a cooling medium channel to be communicated with the outside, and the generator (2) is also provided with a high-temperature heat medium channel to be communicated with the outside to form a heat-power.

3. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the absorber (1) is provided with a dilute solution pipeline which is communicated with the generator (2) through a solution pump (9) and a solution heat exchanger (11), the generator (2) is also provided with a concentrated solution pipeline which is communicated with the second generator (3) through the solution heat exchanger (11) and a second solution heat exchanger (12), the second generator (3) is also provided with a concentrated solution pipeline which is communicated with the absorber (1) through a second solution pump (10) and the second solution heat exchanger (12), the generator (2) is also provided with a refrigerant steam channel which is communicated with the condenser (4), the second generator (3) is also provided with a refrigerant steam channel which is communicated with the second condenser (5), the condenser (4) is also provided with a refrigerant liquid pipeline which is communicated with the evaporator (6) through a throttle valve (7) after the second generator (3) is communicated with the refrigerant liquid pipeline, the second condenser (5) is also provided with the evaporator (6) through a refrigerant liquid pump (8), the evaporator (6) is also provided with a refrigerant steam channel communicated with the absorber (1), a power machine (13) is provided with a new steam channel communicated with the outside, the power machine (13) or the steam exhaust channel is communicated with the outside, the power machine (13) is also provided with a steam exhaust channel communicated with the second generator (3), then the second generator (3) is provided with a condensate channel communicated with the outside, the power machine (13) is also provided with a first steam channel communicated with the evaporator (6), then the evaporator (6) is provided with a first condensate channel 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 system.

4. The heat and power combined supply system mainly comprises an absorber, a generator, a second generator, a condenser, a second condenser, an evaporator, a throttle valve, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a power machine; the absorber (1) is provided with a dilute solution pipeline which is communicated with the generator (2) through a solution pump (9) and a solution heat exchanger (11), the generator (2) is also provided with a concentrated solution pipeline which is communicated with the second generator (3) through the solution heat exchanger (11) and a second solution heat exchanger (12), the second generator (3) is also provided with a concentrated solution pipeline which is communicated with the absorber (1) through a second solution pump (10) and the second solution heat exchanger (12), the generator (2) is also provided with a refrigerant steam channel which is communicated with the condenser (4), the second generator (3) is also provided with a refrigerant steam channel which is communicated with the second condenser (5), the condenser (4) is also provided with a refrigerant liquid pipeline which is communicated with the evaporator (6) through a throttle valve (7) after the second generator (3) is communicated with the refrigerant liquid pipeline, the second condenser (5) is also provided with the evaporator (6) through a refrigerant liquid pump (8), the evaporator (6) is also provided with a refrigerant steam channel communicated with the absorber (1), the power machine (13) is respectively provided with a new steam channel communicated with the outside and an exhaust steam channel communicated with the outside, the power machine (13) is also provided with a first steam channel communicated with the second generator (3), then the second generator (3) is provided with a first condensate channel communicated with the outside, the power machine (13) is also provided with a second steam channel communicated with the evaporator (6), then the evaporator (6) is provided with a second condensate channel 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 system.

5. A combined heat and power system, in any of the combined heat and power systems of claims 1-4, additionally comprising a third generator, a second absorber, a third solution pump and a third solution heat exchanger, wherein the absorber (1) is provided with a dilute solution pipeline which is communicated with the generator (2) through the solution pump (9) and the solution heat exchanger (11) and is adjusted to be that the absorber (1) is provided with a dilute solution pipeline which is communicated with the second absorber (15) through the solution pump (9) and the solution heat exchanger (11), the second absorber (15) is further provided with a dilute solution pipeline which is communicated with the generator (2) through the third solution pump (16) and the third solution heat exchanger (17), the generator (2) is provided with a concentrated solution pipeline which is communicated with the second generator (3) through the solution heat exchanger (11) and the second solution heat exchanger (12) and is adjusted to be that the generator (2) is provided with a concentrated solution pipeline which is communicated with the third generator (14) through the third solution heat exchanger (17), the third generator (14) is communicated with the second generator (3) through a concentrated solution pipeline through a solution heat exchanger (11) and a second solution heat exchanger (12), the third generator (14) is also communicated with a second absorber (15) through a refrigerant steam channel, the third generator (14) is also communicated with the outside through a high-temperature heat medium channel, and the second absorber (15) is also communicated with the outside through a heated medium channel to form a heat power combined supply system.

6. A combined heat power system, in any one of the combined heat power systems of claims 1-4, 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 refrigerant vapor passage communicated with the condenser (4) and is adjusted to be the generator (2) provided with the refrigerant vapor passage communicated with the second absorber (15), the second absorber (15) is also provided with a dilute solution pipeline communicated with the third generator (14) through a third solution pump (16) and a third solution heat exchanger (17), the third generator (14) is also provided with a concentrated solution pipeline communicated with the second absorber (15) through the third solution heat exchanger (17), the third generator (14) is also provided with the refrigerant vapor passage communicated with the condenser (4), the third generator (14) is also provided with a high-temperature heat medium passage communicated with the outside, the second absorber (15) is also provided with a heated medium passage communicated with the outside, forming a combined heat and power system.

7. The combined heat and power system is characterized in that a throttle valve is omitted in any combined heat and power system as claimed in claims 1-6, a refrigerant liquid pipeline of the second generator (3) is communicated with the evaporator (6) through the throttle valve (7) and is adjusted to be communicated with the evaporator (6) through the refrigerant liquid pipeline of the second generator (3), and the combined heat and power system is formed.

8. The combined heat power supply system is characterized in that a third generator, a third solution pump, a third solution heat exchanger, a second throttling valve and a heat supplier are added in any combined heat power supply system of claims 1-4, a dilute solution pipeline is additionally arranged on an absorber (1) and is communicated with the third generator (14) through a third solution pump (16) and a third solution heat exchanger (17), the third generator (14) and a concentrated solution pipeline are communicated with the second generator (3) through the third solution heat exchanger (17) and a second solution heat exchanger (12), the generator (2) is provided with a refrigerant steam channel to be communicated with a condenser (4), the third generator (14) is further provided with a refrigerant liquid pipeline to be communicated with an evaporator (6) through the heat supplier (19), the second generator (3) and the second throttling valve (18), the third generator (14) is also provided with a refrigerant steam channel communicated with the condenser (4), and the heat supplier (19) is also provided with a heated medium channel communicated with the outside to form a heat-power combined supply system.

9. A combined heat power supply system is characterized in that a third generator, a third solution heat exchanger, a second throttle valve and a heat supplier are added in the combined heat power supply system of any one of the claims 1-4, a dilute solution pipeline of the absorber (1) is communicated with the generator (2) through a solution pump (9) and a solution heat exchanger (11) and is adjusted to be communicated with the generator (2) through the solution pump (9), the solution heat exchanger (11) and the third solution heat exchanger (17), a concentrated solution pipeline of the generator (2) is communicated with the second generator (3) through the solution heat exchanger (11) and the second solution heat exchanger (12) and is adjusted to be communicated with the generator (2) through the solution heat exchanger (11) and the third solution heat exchanger (17) and is communicated with the third generator (14), and the concentrated solution pipeline of the third generator (14) is communicated with the second generator (3) through the solution heat exchanger (11) and the second solution heat exchanger (12), after the generator (2) is communicated with the condenser (4) through a refrigerant steam channel, the generator (2) is adjusted to be communicated with a third generator (14) through the refrigerant steam channel, then the third generator (14) is communicated with the evaporator (6) through a heat supplier (19), a second generator (3) and a second throttle valve (18) through a refrigerant liquid pipeline, the third generator (14) is also communicated with the condenser (4) through the refrigerant steam channel, and the heat supplier (19) is also communicated with the outside through a heated medium channel to form a heat and power combined supply system.

10. 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, a second throttle valve and a heat supply are added, the absorber (1) is provided with a dilute solution pipeline communicated with the generator (2) through the solution pump (9) and the solution heat exchanger (11), the absorber (1) is provided with a dilute solution pipeline communicated with the third generator (14) through the solution pump (9) and the solution heat exchanger (11), the third generator (14) is provided with a concentrated solution pipeline communicated with the generator (2) through the third solution pump (16) and the third solution heat exchanger (17), the generator (2) is provided with a concentrated solution pipeline communicated with the second generator (3) through the solution heat exchanger (11) and the second solution heat exchanger (12), and the generator (2) is provided with a concentrated solution pipeline communicated with the third solution heat exchanger (17), The solution heat exchanger (11) and the second solution heat exchanger (12) are communicated with the second generator (3), a refrigerant steam channel of the generator (2) is communicated with the condenser (4) and adjusted to be communicated with the third generator (14), then a refrigerant liquid pipeline of the third generator (14) is communicated with the evaporator (6) through a heat supplier (19), the second generator (3) and a second throttle valve (18), the refrigerant steam channel of the third generator (14) is communicated with the condenser (4), and a heated medium channel of the heat supplier (19) is communicated with the outside to form a heat and power combined supply system.

11. The combined heat and power system is characterized in that in any combined heat and power system of claims 8-10, a high-temperature heat medium channel is additionally arranged on the third generator (14) to be communicated with the outside to form the combined heat and power system.

12. The combined heat and power system is characterized in that a throttle valve and a second throttle valve are omitted in any combined heat and power system as claimed in claims 8-11, a refrigerant liquid pipeline of the second generator (3) is communicated with the evaporator (6) through the throttle valve (7) and is adjusted to be communicated with the evaporator (6) through the refrigerant liquid pipeline of the second generator (3), and a refrigerant liquid pipeline of the second generator (3) is communicated with the evaporator (6) through the second throttle valve (18) and is adjusted to be communicated with the evaporator (6) through the refrigerant liquid pipeline of the second generator (3), so that the combined heat and power system is formed.

13. A combined heat and power system as defined in claim 1, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber (1) has a dilute solution line communicated with the generator (2) via the solution pump (9) and the solution heat exchanger (11) and is adjusted such that the absorber (1) has a dilute solution line communicated with the second absorber (15) via the third solution heat exchanger (17), the second absorber (15) has a dilute solution line communicated with the generator (2) via the solution pump (9) and the solution heat exchanger (11), the second generator (3) has a concentrated solution line communicated with the absorber (1) via the second solution pump (10) and the second solution heat exchanger (12) and is adjusted such that the second generator (3) has a concentrated solution line communicated with the third generator (14) via the second solution heat exchanger (12), and the third generator (14) has a concentrated solution line communicated with the third generator (14) via the second solution pump (10) and the third solution heat exchanger (12) (17) The condenser (4) is communicated with the second generator (3) through a refrigerant liquid pipeline, then the second generator (3) is communicated with the evaporator (6) through a throttle valve (7) to adjust that the condenser (4) is communicated with the third generator (14) through the second generator (3) and then the third generator (14) is communicated with the evaporator (6) through the throttle valve (7), the power machine (13) is communicated with the evaporator (6) and the second generator (3) in sequence and then the second generator (3) is communicated with the outside through a condensate channel, the power machine (13) is communicated with the evaporator (6) in sequence and then the second generator (3) is communicated with the outside through a condensate channel, and the power machine (13) is communicated with the evaporator (6) in sequence, the second generator (3) and the third generator (14) is then the third generator (14) is communicated with the outside through a condensate channel, the third generator (14) is also provided with a refrigerant steam channel communicated with the second absorber (15), and the second absorber (15) is also provided with a cooling medium channel communicated with the outside to form a heat power cogeneration system.

14. A combined heat and power system as defined in claim 2, 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 (9) and the solution heat exchanger (11) and is adjusted such that the absorber (1) has a dilute solution line communicating with the second absorber (15) via the third solution heat exchanger (17), the second absorber (15) has a dilute solution line communicating with the generator (2) via the solution pump (9) and the solution heat exchanger (11), the second generator (3) has a concentrated solution line communicating with the absorber (1) via the second solution pump (10) and the second solution heat exchanger (12) and is adjusted such that the second generator (3) has a concentrated solution line communicating with the third generator (14) via the second solution heat exchanger (12), and the third generator (14) has a concentrated solution line communicating with the third solution heat exchanger (10) via the second solution pump (10) and the third solution heat exchanger (12) (17) The condenser (4) is communicated with the second generator (3) through a refrigerant liquid pipeline, then the second generator (3) is communicated with the evaporator (6) through a throttle valve (7) to adjust that the condenser (4) is communicated with the third generator (14) through the second generator (3) and then the third generator (14) is communicated with the evaporator (6) through the throttle valve (7), the power machine (13) is provided with a first steam channel to be communicated with the evaporator (6) and the second generator (3) in sequence, then the second generator (3) is provided with a first condensate channel to be communicated with the outside, then the power machine (13) is provided with a first steam channel to be communicated with the evaporator (6) in sequence, the second generator (3) and the third generator (14) are adjusted to be communicated with the outside through the third generator (14) and then the third generator (14) is provided with a first condensate channel to be communicated with the outside, the third generator (14) is also provided with a refrigerant steam channel communicated with the second absorber (15), and the second absorber (15) is also provided with a cooling medium channel communicated with the outside to form a heat power cogeneration system.

15. A combined heat and power system as defined in claim 3, wherein a third generator, a second absorber and a third solution heat exchanger are added, the absorber (1) having a dilute solution line communicating with the generator (2) via the solution pump (9) and the solution heat exchanger (11) is adjusted such that the absorber (1) having a dilute solution line communicating with the second absorber (15) via the third solution heat exchanger (17), the second absorber (15) having a dilute solution line communicating with the generator (2) via the solution pump (9) and the solution heat exchanger (11), the second generator (3) having a concentrated solution line communicating with the absorber (1) via the second solution pump (10) and the second solution heat exchanger (12) is adjusted such that the second generator (3) having a concentrated solution line communicating with the third generator (14) via the second solution heat exchanger (12), and the third generator (14) having a concentrated solution line communicating with the third solution heat exchanger (10) via the second solution pump (10) and the third solution heat exchanger (12), and the generator (14) having a concentrated solution line communicating with the generator (2) via the solution heat exchanger (2) (17) The condenser (4) is communicated with the second generator (3) through a refrigerant liquid pipeline, then the refrigerant liquid pipeline of the second generator (3) is communicated with the evaporator (6) through a throttle valve (7) to adjust that the condenser (4) is communicated with the third generator (14) through the second generator (3) and the refrigerant liquid pipeline of the third generator (14) is communicated with the evaporator (6) through the throttle valve (7), then the condensate channel of the second generator (3) is communicated with the outside after a power machine (13) is communicated with the second generator (3) through an exhaust channel, then the condensate channel of the second generator (3) is communicated with the outside to adjust that the power machine (13) is communicated with the second generator (3) through the third generator (14) and the condensate channel of the second generator (3) is communicated with the outside, and then the refrigerant steam channel of the third generator (14) is communicated with the second absorber (15), the second absorber (15) is also provided with a cooling medium channel which is communicated with the outside to form a heat power combined supply system; or after the steam exhaust channel of the power machine (13) 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 third generator (14) is communicated with the outside after the steam exhaust channel of the power machine (13) is communicated with the third generator (14) through the second generator (3).

16. 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) having a dilute solution line communicating with the generator (2) via the solution pump (9) and the solution heat exchanger (11) is adjusted such that the absorber (1) having a dilute solution line communicating with the second absorber (15) via the third solution heat exchanger (17), the second absorber (15) having a dilute solution line communicating with the generator (2) via the solution pump (9) and the solution heat exchanger (11), the second generator (3) having a concentrated solution line communicating with the absorber (1) via the second solution pump (10) and the second solution heat exchanger (12) is adjusted such that the second generator (3) having a concentrated solution line communicating with the third generator (14) via the second solution heat exchanger (12), and the third generator (14) having a concentrated solution line communicating with the third solution heat exchanger (10) via the second solution pump (10) and the third solution heat exchanger (12), and the generator (14) having a concentrated solution line communicating with the generator (2) via the solution heat exchanger (2) (17) The condenser (4) is communicated with the second generator (3) through a refrigerant liquid pipeline, then the second generator (3) is communicated with the evaporator (6) through a throttle valve (7) to adjust that the condenser (4) is communicated with the third generator (14) through the second generator (3) and the refrigerant liquid pipeline is communicated with the evaporator (6), then the third generator (14) is communicated with the evaporator (6) through the throttle valve (7), then the second generator (3) is communicated with the outside through a first condensate channel after a power machine (13) is provided with a first steam channel and is communicated with the second generator (3), then the second generator (3) is communicated with the outside through a first condensate channel after the power machine (13) is provided with a first steam channel and is communicated with the second generator (3) through a third generator (14), then the third generator (14) is provided with the second generator (3) and is communicated with the outside, and the second absorber (15) is also provided with a refrigerant steam channel, the second absorber (15) is also provided with a cooling medium channel which is communicated with the outside to form a heat power combined supply system; wherein, or after the power machine (13) is provided with a first steam channel to be communicated with the second generator (3), the first condensate channel of the second generator (3) is communicated with the outside, and the power machine (13) is provided with a first steam channel to be communicated with the third generator (14) through the second generator (3), and then the first condensate channel of the third generator (14) is communicated with the outside.

17. 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) having a dilute solution line communicating with the generator (2) via the solution pump (9) and the solution heat exchanger (11) is adjusted such that the absorber (1) having a dilute solution line communicating with the second absorber (15) via the third solution heat exchanger (17), the second absorber (15) having a dilute solution line communicating with the generator (2) via the solution pump (9) and the solution heat exchanger (11), the second generator (3) having a concentrated solution line communicating with the absorber (1) via the second solution pump (10) and the second solution heat exchanger (12) is adjusted such that the second generator (3) having a concentrated solution line communicating with the third generator (14) via the second solution heat exchanger (12), and the third generator (14) having a concentrated solution line communicating with the third solution heat exchanger (10) via the second solution pump (10) and the third solution heat exchanger (12), and the generator (14) having a concentrated solution line communicating with the generator (2) via the solution heat exchanger (2) (17) The condenser (4) is communicated with the second generator (3) through a refrigerant liquid pipeline, then the second generator (3) is communicated with the evaporator (6) through a throttle valve (7) to adjust that the condenser (4) is communicated with the third generator (14) through the second generator (3) and the refrigerant liquid pipeline is communicated with the evaporator (6), then the third generator (14) is communicated with the evaporator (6) through the throttle valve (7), a power machine (13) is communicated with the outside through a steam exhaust channel, then the third generator (14) is communicated with the outside through a power machine (13) is communicated with the third generator (14), then the third generator (14) is communicated with the outside through a steam exhaust channel, the second absorber (15) is communicated with the outside through a cooling medium channel, and a heat and power combined system is formed; wherein, or after the power machine (13) is additionally provided with the steam exhaust channel to be communicated with the third generator (14), the third generator (14) is further communicated with the outside through the condensate channel.

18. The combined heat and power system is characterized in that a throttle valve is omitted, a refrigerant liquid pipeline of a third generator (14) is communicated with an evaporator (6) through a throttle valve (7), and the refrigerant liquid pipeline of the third generator (14) is communicated with the evaporator (6) to form the combined heat and power system.

19. The thermodynamic combined supply system is characterized in that a preheater is added in the thermodynamic combined supply system disclosed by claim 3, a refrigerant liquid pipeline of the second condenser (5) is communicated with the evaporator (6) through a refrigerant liquid pump (8) and is adjusted to be communicated with the evaporator (6) through the refrigerant liquid pump (8) and the preheater (20), a condensate passage of the second generator (3) is adjusted to be communicated with the outside, and the second generator (3) is communicated with the outside through the condensate passage of the second generator (3) and is communicated with the outside through the preheater (20), so that the thermodynamic combined supply system is formed.

20. The combined heat and power system is characterized in that in any combined heat and power system of claims 1-19, 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 (13) 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.

21. The combined heat power system is characterized in that in any combined heat power system of claims 5 to 6, a high-temperature heat medium channel for respectively communicating the generator (2) and the third generator (14) with the outside is eliminated, a high-temperature steam channel is additionally arranged on the power machine (13) and is communicated with the generator (2) and the third generator (14) in sequence, and then a high-temperature condensate channel of the third generator (14) is communicated with the outside to form the combined heat power system.