CN117759399A - Photo-thermal type energy carrying gas-steam combined cycle power device - Google Patents

Abstract

The invention provides a photo-thermal energy source carrying gas-steam combined cycle power device, and belongs to the technical field of thermodynamics and thermal dynamics. The external working medium channel is communicated with the expansion machine through the second compressor, the heat source heat exchanger, the third compressor and the solar heat collecting system, the expansion machine is also communicated with the external part through the intermediate heat exchanger, the condenser is communicated with the intermediate heat exchanger through the booster pump and the evaporator, the compressor is provided with the steam channel and is communicated with the intermediate heat exchanger, the intermediate heat exchanger is also communicated with the steam turbine, the steam turbine is also provided with the low-pressure steam channel which is divided into two paths after passing through the evaporator, namely, the first path is communicated with the compressor and the second path is communicated with the condenser, the condenser is provided with the cooling medium channel, the heat source heat exchanger is provided with the heat source medium channel which is respectively communicated with the external part, the steam turbine is connected with the compressor and transmits power, and the expansion machine is connected with the second compressor and the third compressor and transmits power, so that the photo-thermal energy carrying gas-steam combined cycle power device is formed.

Description

Photo-thermal type energy carrying gas-steam combined cycle power device

Technical field:

The invention belongs to the technical field of thermodynamics and thermal dynamics.

The background technology is as follows:

photo-thermal, conventional heat resources represented by industrial waste heat and geothermal heat can realize thermal work; different system devices are constructed by adopting the same or different thermal power principles, and corresponding construction cost is paid, so that the conversion of photo-thermal or conventional thermal resources into mechanical energy is realized; obviously, it is of positive interest to try to reduce the number of thermal power devices.

The temperature of the fuel gas formed by the combustion of the fuel directly determines the heat-changing work efficiency; limited by one or more factors such as working principle, working medium property, material property, equipment manufacturing level and the like, the temperature difference irreversible loss exists in the fuel combustion process.

Different grade heat resources represented by industrial waste heat and geothermal heat, in particular to medium-temperature or high Wen Changgui heat resources, and a larger lifting space exists for heat-changing work efficiency; however, under the traditional technical conditions, the thermal efficiency of the conventional thermal resource is difficult to obtain breakthrough improvement, and the application value of the thermal resource is required to be improved.

The invention provides a photo-thermal energy carrying gas-steam combined cycle power device which is flexible in connection, reasonable in flow, simple in structure, high in thermodynamic perfection, low in construction cost and high in cost performance, and the principle that the fuel carries the same heat resource to provide driving heat load is given on the basis of simply, actively, safely and efficiently utilizing the energy to obtain power.

The invention comprises the following steps:

the invention mainly aims to provide a photo-thermal type energy source carrying gas-steam combined cycle power device, and the specific invention is described in the following items:

1. the photo-thermal energy source carries the gas-steam combined cycle power plant, mainly by the steam turbine, compressor, booster pump, condenser, evaporator, intermediate heat exchanger, second compressor, expander, heat source heat exchanger, third compressor and solar energy heat collecting system make up; the outside has working medium passageway to communicate with third compressor through second compressor and heat source heat exchanger, third compressor still has working medium passageway to communicate with the expander through solar energy collection system, the expander still has working medium passageway to communicate with outside through intermediate heat exchanger, the condenser has condensate pipeline to communicate with the evaporimeter through the booster pump after the evaporimeter again has steam passageway to communicate with intermediate heat exchanger, the compressor has steam passageway to communicate with intermediate heat exchanger, intermediate heat exchanger still has steam passageway to communicate with steam turbine, the steam turbine still has the low pressure steam passageway to communicate with the evaporimeter after divide into two-way-first way with the compressor to communicate with the second way with the condenser, the condenser still has cooling medium passageway to communicate with outside, heat source medium passageway still communicates with outside, the steam turbine connects the compressor and transmits power, the expander connects second compressor and third compressor and transmits power, form light heat type energy and take with gas-steam combined cycle power device.

2. The photo-thermal energy source and gas-steam combined cycle power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium passageway to communicate with third compressor through second compressor and heat source heat exchanger, third compressor still has working medium passageway to communicate with the expander through high temperature regenerator and solar energy collection system, the expander still has working medium passageway to communicate with outside through high temperature regenerator and intermediate heat exchanger, the condenser has condensate pipe to communicate with the evaporimeter through the booster pump after the evaporimeter again has steam passageway to communicate with intermediate heat exchanger, the compressor has steam passageway to communicate with intermediate heat exchanger, intermediate heat exchanger still has steam passageway to communicate with steam turbine, the steam turbine still has the low pressure steam passageway to divide into two-first way with the compressor intercommunication and second way with the evaporimeter after communicating, the condenser still has cooling medium passageway to communicate with outside, heat source heat exchanger still has heat source medium passageway to communicate with outside, the steam turbine is connected the compressor and transmits power, the expander is connected second compressor and third compressor and transmits power, form light and heat type energy and take same gas-steam combined cycle power device.

3. The photo-thermal energy source and gas-steam combined cycle power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium passageway to communicate with third compressor through second compressor, heat source heat exchanger and high temperature regenerator, third compressor still has working medium passageway to communicate with expander through solar energy collection system, expander still has working medium passageway to communicate with outside through high temperature regenerator and intermediate heat exchanger, the condenser has condensate pipeline to communicate with the evaporimeter through the booster pump after the evaporimeter again has steam passageway to communicate with intermediate heat exchanger, the compressor has steam passageway to communicate with intermediate heat exchanger, intermediate heat exchanger still has steam passageway to communicate with steam turbine, the steam turbine still has the low pressure steam passageway to divide into two-first way with the compressor intercommunication and second way with the condenser after the evaporimeter communicates, the condenser still has cooling medium passageway to communicate with outside, heat source heat exchanger still has heat source medium passageway to communicate with outside, the steam turbine is connected the compressor and transmits power, the expander is connected second compressor and third compressor and transmits power, form light and heat type energy and take same gas-steam combined cycle power device.

4. The photo-thermal energy source and gas-steam combined cycle power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium passageway to communicate with third compressor through second compressor, high temperature regenerator and heat source heat exchanger, third compressor still has working medium passageway to communicate with expander through solar energy collection system, expander still has working medium passageway to communicate with outside through high temperature regenerator and intermediate heat exchanger, the condenser has the condensate pipeline to communicate with the evaporimeter through the booster pump after the evaporimeter again has steam passageway to communicate with intermediate heat exchanger, the compressor has steam passageway to communicate with intermediate heat exchanger, intermediate heat exchanger still has steam passageway to communicate with steam turbine, the steam turbine still has the low pressure steam passageway to divide into two ways after communicating with the evaporimeter-first way communicates with the compressor and the second way communicates with the condenser, the condenser still has cooling medium passageway to communicate with outside, heat source heat exchanger still has heat source medium passageway to communicate with outside, the steam turbine is connected the compressor and transmits power, the expander is connected second compressor and third compressor and is transmitted power, form light and heat type energy and gas-steam combined cycle power device.

5. The photo-thermal energy source and gas-steam combined cycle power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium passageway to communicate with second compressor after the second compressor has working medium passageway again to communicate with oneself through the high temperature regenerator, the second compressor has working medium passageway to communicate with third compressor through the heat source heat exchanger, the third compressor has working medium passageway to communicate with the expander through the solar energy heat collecting system, the expander has working medium passageway to communicate with outside through high temperature regenerator and intermediate heat exchanger, the condenser has condensate pipeline to communicate with evaporator through the booster pump after the evaporator has steam passageway to communicate with intermediate heat exchanger again, the compressor has steam passageway to communicate with intermediate heat exchanger, intermediate heat exchanger still has steam passageway to communicate with steam turbine, the steam turbine still has the low pressure steam passageway to communicate with evaporator after divide into two-first way to communicate with compressor and second way to communicate with the condenser, the condenser still has cooling medium passageway to communicate with outside, the heat source heat exchanger still has heat source medium passageway to communicate with outside, the steam turbine connects the compressor and transmits power, the expander connects second compressor and third compressor and transmits power, form the light energy and take with gas-steam combined cycle power device of the same type.

6. The photo-thermal energy source carries with the gas-steam combined cycle power plant, mainly by the steam turbine, compressor, booster pump, condenser, evaporator, intermediate heat exchanger, second compressor, expander, heat source heat exchanger, third compressor, solar energy heat collecting system, high-temperature regenerator and second high-temperature regenerator make up; the outside has working medium passageway to communicate with third compressor through second compressor, heat source heat exchanger and high temperature regenerator, third compressor still has working medium passageway to communicate with expander through second high temperature regenerator and solar energy collection system, the expander still has working medium passageway to communicate with outside through second high temperature regenerator, high temperature regenerator and intermediate heat exchanger, the condenser has the condensate pipeline to communicate with the evaporimeter through the booster pump after the evaporimeter again has steam passageway to communicate with intermediate heat exchanger, the compressor has steam passageway to communicate with intermediate heat exchanger, intermediate heat exchanger still has steam passageway to communicate with steam turbine, the steam turbine still has the low pressure steam passageway to divide into two after communicating with the evaporimeter-first way communicates with the compressor and the second way communicates with the condenser still has cooling medium passageway to communicate with outside, heat source heat exchanger still has heat source medium passageway to communicate with outside, the steam turbine connects the compressor and transmits power, the expander connects second compressor and third compressor and transmits power, form light and heat type energy and take with gas-steam combined cycle power device.

7. The photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in the 2-5 th aspect, a working medium channel of an expander is communicated with the outside through a high-temperature regenerator and an intermediate heat exchanger, and is adjusted to be communicated with the outside through the intermediate heat exchanger after the working medium channel of the expander is communicated with the expander through the high-temperature regenerator, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

8. In the combined cycle power plant with photo-thermal energy and gas-steam according to the 6 th aspect, the working medium channel of the expander is communicated with the outside through the second high-temperature regenerator, the high-temperature regenerator and the intermediate heat exchanger, and the working medium channel of the expander is adjusted to be communicated with the outside through the second high-temperature regenerator, and then the working medium channel of the expander is communicated with the outside through the high-temperature regenerator and the intermediate heat exchanger, so that the combined cycle power plant with photo-thermal energy and gas-steam is formed.

9. A photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that a medium temperature heat regenerator is added in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in the 1 st to 8 th, the communication of an evaporator with a steam channel and an intermediate heat exchanger is adjusted to be that the evaporator with the steam channel is communicated with the intermediate heat exchanger through the medium temperature heat regenerator, the communication of a compressor with the steam channel and the intermediate heat exchanger is adjusted to be that the compressor with the steam channel is communicated with the intermediate heat exchanger through the medium temperature heat regenerator, the communication of a steam turbine with a low-pressure steam channel and the evaporator is adjusted to be that the steam turbine with the low-pressure steam channel is communicated with the evaporator through the medium temperature heat regenerator, and the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

10. A photo-thermal energy source carrying gas-steam combined cycle power device is formed by adding a medium-temperature heat regenerator in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in the 1 st to 8 th, adjusting the communication of an evaporator steam channel and an intermediate heat exchanger to be the communication of the evaporator steam channel and the intermediate heat exchanger through the medium-temperature heat regenerator, adjusting the communication of a compressor steam channel and the intermediate heat exchanger to be the communication of a compressor steam channel and the intermediate heat exchanger through the medium-temperature heat regenerator, adjusting the communication of a steam turbine low-pressure steam channel and the evaporator to be the communication of a steam turbine steam channel and the intermediate heat exchanger, and then adjusting the communication of the steam turbine low-pressure steam channel and the evaporator to be the communication of the steam turbine after the communication of the steam turbine steam channel and the intermediate heat regenerator.

11. A photo-thermal energy source carrying gas-steam combined cycle power device is formed by adding a second booster pump and a low-temperature heat regenerator in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in the 1 st to 10 th, adjusting the communication of a condenser with a condensate pipe and the booster pump to the communication of the condenser with the condensate pipe and the low-temperature heat regenerator through the second booster pump, arranging a steam extraction channel by a compressor to be communicated with the low-temperature heat regenerator, and communicating the low-temperature heat regenerator with the condensate pipe and the booster pump.

12. The photo-thermal energy source carrying gas-steam combined cycle power device is formed by communicating a steam channel of an intermediate heat exchanger with a steam turbine in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices of 1-11, adjusting the steam channel of the intermediate heat exchanger to communicate with the steam turbine through a heat source heat exchanger.

13. The photo-thermal energy source carrying gas-steam combined cycle power device is formed by adding an expansion speed increaser instead of a steam turbine, adding a dual-energy compressor instead of a compressor, adding a diffuser pipe instead of a booster pump in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices of the 1 st to 12 th.

14. The photo-thermal energy source and gas-steam combined cycle power device is characterized in that in any one of the photo-thermal energy source and gas-steam combined cycle power devices in the 1 st to 13 th, a heat source medium channel is additionally arranged in the middle heat exchanger and communicated with the outside, so that the photo-thermal energy source and gas-steam combined cycle power device is formed.

15. The photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that a heat supply device is added in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in the 1 st to 14 th, a working medium channel of an intermediate heat exchanger is communicated with the outside, a working medium channel of the intermediate heat exchanger is communicated with a second compressor, the working medium channel of the intermediate heat exchanger is also regulated to be communicated with the second compressor through the heat supply device, and the heat supply device is also communicated with the outside through a heated medium channel, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

16. The photo-thermal energy source carrying gas-steam combined cycle power device is formed by communicating a working medium channel of an intermediate heat exchanger with the outside and a working medium channel of the outside with a second compressor in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices of the 1 st to 14 th, and adjusting the working medium channel of the intermediate heat exchanger to communicate with the second compressor.

17. The photo-thermal energy source carrying gas-steam combined cycle power device is formed by adjusting the working medium passage of the intermediate heat exchanger to be communicated with the outside in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices of the 1 st to 14 th, so that the working medium passage of the intermediate heat exchanger is communicated with the outside through the evaporator.

18. The photo-thermal energy source carrying gas-steam combined cycle power device is formed by communicating an intermediate heat exchanger with a working medium channel and an external working medium channel with a second compressor in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices of 1-14, and adjusting the intermediate heat exchanger to be communicated with the second compressor through an evaporator to form the photo-thermal energy source carrying gas-steam combined cycle power device.

19. The photo-thermal energy source carrying gas-steam combined cycle power plant is formed by adding a newly added dual-energy compressor and replacing a second compressor, adding a newly added expansion speed increaser and replacing an expansion machine, adding a newly added second dual-energy compressor and replacing a third compressor in any one of the photo-thermal energy source carrying gas-steam combined cycle power plant of the 15 th to 16 th and 18 th.

20. The photo-thermal energy source carrying gas-steam combined cycle power device is formed by adding a newly added dual-energy compressor and replacing a second compressor, adding a newly added expansion speed increaser and replacing an expansion machine, adding a newly added diffusion pipe and replacing a third compressor in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices of the 15 th to 16 th and 18 th.

Description of the drawings:

fig. 1 is a schematic thermodynamic system diagram of a photo-thermal energy source-carrying gas-steam combined cycle power plant according to the 1 st principle of the invention.

Fig. 2 is a schematic thermodynamic system diagram of a combined gas-steam cycle power plant with photo-thermal energy according to the invention.

FIG. 3 is a schematic thermodynamic system diagram of a combined gas-steam cycle power plant with photo-thermal energy according to the invention.

Fig. 4 is a schematic thermodynamic system diagram of a light-heat energy source and gas-steam combined cycle power plant according to the 4 th principle.

Fig. 5 is a schematic thermodynamic system diagram of a light and heat energy source carrying gas-steam combined cycle power plant according to the 5 th principle of the present invention.

FIG. 6 is a schematic thermodynamic system diagram of a combined gas-steam cycle power plant with a photo-thermal energy source according to the invention.

FIG. 7 is a schematic thermodynamic system diagram of a combined gas-steam cycle power plant with photo-thermal energy according to the invention.

FIG. 8 is a schematic thermodynamic system diagram of an 8 th principle thermodynamic system of a combined gas-steam cycle power plant with a photo-thermal energy source according to the present invention.

FIG. 9 is a schematic thermodynamic system diagram of a 9 th principle thermodynamic system of a combined gas-steam cycle power plant with photo-thermal energy according to the present invention.

FIG. 10 is a schematic diagram of a 10 th principle thermodynamic system of a combined gas-steam cycle power plant with a photo-thermal energy source according to the present invention.

FIG. 11 is a schematic thermodynamic system diagram of a combined gas-steam cycle power plant with photo-thermal energy according to the invention.

FIG. 12 is a schematic diagram of a 12 th principle thermodynamic system of a combined gas-steam cycle power plant with a photo-thermal energy source according to the present invention.

FIG. 13 is a schematic thermodynamic system diagram of a 13 th principle thermodynamic system of a combined gas-steam cycle power plant with a photo-thermal energy source according to the present invention.

FIG. 14 is a schematic thermodynamic system diagram of a combined gas-steam cycle power plant with photo-thermal energy according to the invention.

FIG. 15 is a schematic thermodynamic system diagram of a combined gas-steam cycle power plant with photo-thermal energy according to the invention.

FIG. 16 is a schematic view of a 16 th principle thermodynamic system of a combined gas-steam cycle power plant with a photo-thermal energy source according to the present invention.

FIG. 17 is a schematic thermodynamic system diagram of a combined gas-steam cycle power plant with photo-thermal energy according to the invention.

FIG. 18 is a schematic thermodynamic system diagram of a combined gas-steam cycle power plant with a photo-thermal energy source according to the invention.

FIG. 19 is a schematic thermodynamic system diagram of a combined gas-steam cycle power plant with photo-thermal energy according to the invention.

In the figure, a 1-turbine, a 2-compressor, a 3-booster pump, a 4-condenser, a 5-evaporator, a 6-intermediate heat exchanger, a 7-second compressor, an 8-expander, a 9-heat source heat exchanger, a 10-third compressor, an 11-solar heat collection system, a 12-high temperature regenerator, a 13-second high temperature regenerator, a 14-medium temperature regenerator, a 15-second booster pump, a 16-low temperature regenerator, a 17-expansion speed increaser, an 18-dual-energy compressor, a 19-diffuser pipe and a 20-heat supplier; a-newly increased dual-energy compressor, B-newly increased expansion speed increaser, C-newly increased second dual-energy compressor, D-newly increased diffuser.

The following brief description is given here about the photo-thermal and solar heat collection system:

(1) Solar heat collection systems, also known as solar heating systems, refer to heating systems that utilize a heat collector to convert solar radiant energy into high temperature heat (simply referred to as photo-thermal), which can be used to provide a driving heat load to a thermodynamic cycle system; it is mainly composed of heat collector and related necessary auxiliary facilities.

(2) Types of solar energy collection systems include, but are not limited to: (1) the concentrating solar heat collection system mainly comprises a groove type system, a tower type system and a butterfly type system at present; (2) the non-concentrating solar heat collecting system has solar pond, solar chimney and other systems.

(3) There are two main types of heat supply modes of solar heat collection systems at present: (1) the high-temperature heat energy converted by solar energy is directly supplied to a circulating working medium flowing through a solar heat collection system; (2) the high-temperature heat energy converted from solar energy is firstly provided for a working medium of a self-circulation loop, and then the working medium is provided for a circulation working medium flowing through a solar heat collection system through a heat exchanger.

The specific embodiment is as follows:

it is to be noted that the description of the structure and the flow is not repeated if necessary; obvious procedures are not described. The invention is described in detail below with reference to the drawings and examples.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1 is realized by the following steps:

(1) Structurally, the system mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor and a solar heat collection system; the outside has working medium passageway to communicate with third compressor 10 through second compressor 7 and heat source heat exchanger 9, third compressor 10 still has working medium passageway to communicate with expander 8 through solar energy collection system 11, expander 8 still has working medium passageway to communicate with outside through intermediate heat exchanger 6, condenser 4 has condensate pipeline to communicate with evaporator 5 through booster pump 3 after the evaporimeter 5 again has steam passageway to communicate with intermediate heat exchanger 6, compressor 2 has steam passageway to communicate with intermediate heat exchanger 6, intermediate heat exchanger 6 still has steam passageway to communicate with steam turbine 1, steam turbine 1 still has the low pressure steam passageway to divide into two after communicating with evaporator 5-first way to communicate with compressor 2 and second way to communicate with condenser 4 still has the cooling medium passageway to communicate with outside, heat source heat exchanger 9 still has heat source medium passageway to communicate with outside, steam turbine 1 connects compressor 2 and transmits power, expander 8 connects second compressor 7 and third compressor 10 and transmits power.

(2) In the flow, the external air is boosted and warmed through the second compressor 7, is subjected to heat absorption and warming through the heat source heat exchanger 9, is boosted and warmed through the third compressor 10, is subjected to heat absorption and warming through the solar heat collection system 11, is subjected to depressurization and work through the expander 8, is subjected to heat release and cooling through the intermediate heat exchanger 6, and is discharged outwards; the condensate of the condenser 4 is boosted by the booster pump 3, is heated and vaporized by the heat absorption of the evaporator 5, then enters the intermediate heat exchanger 6 to heat up by the heat absorption, and the steam discharged by the compressor 2 enters the intermediate heat exchanger 6 to heat up by the heat absorption; the steam discharged by the intermediate heat exchanger 6 flows through the steam turbine 1 to reduce pressure and work, the low-pressure steam discharged by the steam turbine 1 flows through the evaporator 5 to release heat and reduce temperature, and then the low-pressure steam is divided into two paths, wherein the first path enters the compressor 2 to raise pressure and heat, and the second path enters the condenser 4 to release heat and condense; the heat source medium provides driving heat load through the heat source heat exchanger 9, the solar energy provides driving heat load through the solar heat collection system 11, the cooling medium takes away low-temperature heat load through the condenser 4, and the working medium takes away discharging heat load through the inlet and outlet flow path; the work output by the turbine 1 and the expander 8 is provided for the compressor 2, the second compressor 7, the third compressor 10 and the external power, or the work output by the turbine 1 and the expander 8 is provided for the compressor 2, the booster pump 3, the second compressor 7, the third compressor 10 and the external power, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 2 is realized by:

(1) Structurally, the system mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium passageway to communicate with third compressor 10 through second compressor 7 and heat source heat exchanger 9, third compressor 10 still has working medium passageway to communicate with expander 8 through high temperature regenerator 12 and solar energy collection system 11, expander 8 still has working medium passageway to communicate with outside through high temperature regenerator 12 and intermediate heat exchanger 6, condenser 4 has condensate pipeline to communicate with evaporator 5 after passing through booster pump 3 and evaporator 5 still has steam passageway to communicate with intermediate heat exchanger 6, compressor 2 has steam passageway to communicate with intermediate heat exchanger 6, intermediate heat exchanger 6 still has steam passageway to communicate with steam turbine 1, steam turbine 1 still has the low pressure steam passageway to communicate with evaporator 5 after dividing into two-first way to communicate with compressor 2 and second way to communicate with condenser 4, condenser 4 still has cooling medium passageway to communicate with outside, heat source heat exchanger 9 still has heat source medium passageway to communicate with outside, steam turbine 1 connects compressor 2 and transmits power, expander 8 connects second compressor 7 and third compressor 10 and transmits power.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: the working medium discharged by the third compressor 10 flows through the high-temperature heat regenerator 12 to absorb heat and raise temperature, and then enters the solar heat collection system 11 to absorb heat and raise temperature; the working medium discharged by the expander 8 is gradually released and cooled through the high-temperature heat regenerator 12 and the intermediate heat exchanger 6, and then is discharged outwards, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 3 is realized by the following steps:

(1) Structurally, the system mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium passageway to communicate with third compressor 10 through second compressor 7, heat source heat exchanger 9 and high temperature regenerator 12, third compressor 10 still has working medium passageway to communicate with expander 8 through solar energy collection system 11, expander 8 still has working medium passageway to communicate with outside through high temperature regenerator 12 and intermediate heat exchanger 6, condenser 4 has the condensate pipeline to communicate with evaporator 5 after passing through booster pump 3 and evaporator 5 and then evaporator 5 still has the steam passageway to communicate with intermediate heat exchanger 6, compressor 2 has the steam passageway to communicate with intermediate heat exchanger 6, intermediate heat exchanger 6 still has the steam passageway to communicate with steam turbine 1, steam turbine 1 still has the low pressure steam passageway to communicate with evaporator 5 after divide into two-first way to communicate with compressor 2 and second way to communicate with condenser 4, condenser 4 still has the cooling medium passageway to communicate with outside, heat source heat exchanger 9 still has the heat source medium passageway to communicate with outside, steam turbine 1 connects compressor 2 and transmits power, expander 8 connects second compressor 7 and third compressor 10 and transmits power.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: the working medium discharged by the second compressor 7 is gradually absorbed in heat and is heated through the heat source heat exchanger 9 and the high-temperature heat regenerator 12, and then enters the third compressor 10 to be boosted and heated; the working medium discharged by the expander 8 is gradually released and cooled through the high-temperature heat regenerator 12 and the intermediate heat exchanger 6, and then is discharged outwards, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 4 is realized by:

(1) Structurally, the system mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium passageway to communicate with third compressor 10 through second compressor 7, high temperature regenerator 12 and heat source heat exchanger 9, third compressor 10 still has working medium passageway to communicate with expander 8 through solar energy collection system 11, expander 8 still has working medium passageway to communicate with outside through high temperature regenerator 12 and intermediate heat exchanger 6, condenser 4 has the condensate pipeline to communicate with evaporator 5 after passing through booster pump 3 and evaporator 5 and then evaporator 5 still has the steam passageway to communicate with intermediate heat exchanger 6, compressor 2 has the steam passageway to communicate with intermediate heat exchanger 6, intermediate heat exchanger 6 still has the steam passageway to communicate with steam turbine 1, steam turbine 1 still has the low pressure steam passageway to communicate with evaporator 5 after divide into two-first way to communicate with compressor 2 and second way to communicate with condenser 4, condenser 4 still has the cooling medium passageway to communicate with outside, heat source heat exchanger 9 still has the heat source medium passageway to communicate with outside, steam turbine 1 connects compressor 2 and transmits power, expander 8 connects second compressor 7 and third compressor 10 and transmits power.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: the working medium discharged by the second compressor 7 gradually absorbs heat and heats up through the high-temperature heat regenerator 12 and the heat source heat exchanger 9, and then enters the third compressor 10 to be boosted and heated up; the working medium discharged by the expander 8 is gradually released and cooled through the high-temperature heat regenerator 12 and the intermediate heat exchanger 6, and then is discharged outwards, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 5 is realized by:

(1) Structurally, the system mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium passageway to communicate with second compressor 7 after the second compressor 7 has working medium passageway again to communicate with oneself through high temperature regenerator 12, second compressor 7 has working medium passageway to communicate with third compressor 10 through heat source heat exchanger 9, third compressor 10 has working medium passageway to communicate with expander 8 through solar collector system 11, expander 8 has working medium passageway to communicate with outside through high temperature regenerator 12 and intermediate heat exchanger 6, condenser 4 has condensate pipeline to communicate with evaporator 5 through booster pump 3 after evaporator 5 has steam passageway to communicate with intermediate heat exchanger 6, compressor 2 has steam passageway to communicate with intermediate heat exchanger 6, intermediate heat exchanger 6 has steam passageway to communicate with steam turbine 1, steam turbine 1 has low pressure steam passageway to communicate with evaporator 5 after dividing into two-first way to communicate with compressor 2 and second way to communicate with condenser 4, condenser 4 has cooling medium passageway to communicate with outside, heat source heat exchanger 9 has heat source medium passageway to communicate with outside, steam turbine 1 connects compressor 2 and transmits power, expander 8 connects second compressor 7 and third compressor 10 and transmits power.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: the external working medium enters the second compressor 7 to be boosted and heated, and flows through the high-temperature heat regenerator 12 to absorb heat and heat to a certain extent, enters the second compressor 7 to be boosted and heated continuously, and is provided for the heat source heat exchanger 9; the working medium discharged by the expander 8 is gradually released and cooled through the high-temperature heat regenerator 12 and the intermediate heat exchanger 6, and then is discharged outwards, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 6 is realized by:

(1) Structurally, the system mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system, a high-temperature heat regenerator and a second high-temperature heat regenerator; the outside has working medium passageway to communicate with third compressor 10 through second compressor 7, heat source heat exchanger 9 and high temperature regenerator 12, third compressor 10 still has working medium passageway to communicate with expander 8 through second high temperature regenerator 12 and solar energy collection system 11, expander 8 still has working medium passageway to communicate with outside through second high temperature regenerator 12, high temperature regenerator 12 and intermediate heat exchanger 6, condenser 4 has condensate pipe to communicate with evaporator 5 through booster pump 3 after the evaporimeter 5 still has steam passageway to communicate with intermediate heat exchanger 6, compressor 2 has steam passageway to communicate with intermediate heat exchanger 6, intermediate heat exchanger 6 still has steam passageway to communicate with steam turbine 1, steam turbine 1 still has the low pressure steam passageway to divide into two after communicating with evaporator 5-first way to communicate with compressor 2 and second way to communicate with condenser 4, condenser 4 still has cooling medium passageway to communicate with outside, heat source heat exchanger 9 still has heat source medium passageway to communicate with outside, steam turbine 1 connects compressor 2 and transmits power, expander 8 connects second compressor 7 and third compressor 10 and transmits power.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: the working medium discharged by the heat source heat exchanger 9 absorbs heat and rises temperature through the high-temperature heat regenerator 12, rises pressure and rises temperature through the third compressor 10, absorbs heat and rises temperature through the second high-temperature heat regenerator 13, and then enters the solar heat collection system 11 to absorb heat and rise temperature; the working medium discharged by the expansion machine 8 flows through the second high-temperature heat regenerator 13, the high-temperature heat regenerator 12 and the intermediate heat exchanger 6 to release heat and cool gradually, and then is discharged to the outside, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 7 is realized by:

(1) In the combined cycle power plant with the photo-thermal energy source and the gas-steam as shown in fig. 2, the working medium channel of the expander 8 is communicated with the outside through the high-temperature heat regenerator 12 and the intermediate heat exchanger 6, and the working medium channel of the expander 8 is adjusted to be communicated with the self through the high-temperature heat regenerator 12, and then the working medium channel of the expander 8 is communicated with the outside through the intermediate heat exchanger 6.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 2, the difference is that: the working medium discharged by the solar heat collection system 11 enters the expansion machine 8 to perform decompression and work, flows through the high-temperature heat regenerator 12 to release heat and cool to a certain extent, enters the expansion machine 8 to continue decompression and work, flows through the intermediate heat exchanger 6 to release heat and cool and is discharged outwards, and the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 8 is realized by:

(1) Structurally, in the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, a medium temperature heat regenerator is added, the communication between a steam channel of an evaporator 5 and an intermediate heat exchanger 6 is adjusted to be that the steam channel of the evaporator 5 is communicated with the intermediate heat exchanger 6 through a medium temperature heat regenerator 14, the communication between the steam channel of a compressor 2 and the intermediate heat exchanger 6 is adjusted to be that the steam channel of the compressor 2 is communicated with the intermediate heat exchanger 6 through the medium temperature heat regenerator 14, and the communication between the low-pressure steam channel of a steam turbine 1 and the evaporator 5 is adjusted to be that the low-pressure steam channel of the steam turbine 1 is communicated with the evaporator 5 through the medium temperature heat regenerator 14.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: the steam discharged by the evaporator 5 flows through the medium temperature heat regenerator 14 to absorb heat and raise temperature, and then enters the intermediate heat exchanger 6 to absorb heat and raise temperature; steam discharged by the compressor 2 flows through the medium-temperature heat regenerator 14 to absorb heat and raise temperature, and then enters the intermediate heat exchanger 6 to absorb heat and raise temperature; the low-pressure steam discharged by the steam turbine 1 is gradually released heat and cooled through the medium-temperature heat regenerator 14 and the evaporator 5, and then is divided into two paths, wherein the first path enters the compressor 2 to raise the pressure and raise the temperature, and the second path enters the condenser 4 to release heat and condense, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 9 is realized in such a way;

(1) In the combined cycle power plant with photo-thermal energy and gas-steam as shown in fig. 1, a medium temperature regenerator is added, the communication between the steam channel of the evaporator 5 and the intermediate heat exchanger 6 is adjusted to be that the steam channel of the evaporator 5 is communicated with the intermediate heat exchanger 6 through the medium temperature regenerator 14, the communication between the steam channel of the compressor 2 and the intermediate heat exchanger 6 is adjusted to be that the steam channel of the compressor 2 is communicated with the intermediate heat exchanger 6 through the medium temperature regenerator 14, the communication between the low pressure steam channel of the steam turbine 1 and the evaporator 5 is adjusted to be that the steam channel of the steam turbine 1 is communicated with the intermediate heat exchanger 14 and then the low pressure steam channel of the steam turbine 1 is communicated with the evaporator 5.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: steam discharged by the compressor 2 and the evaporator 5 flows through the medium temperature heat regenerator 14 to absorb heat and raise temperature, and then enters the intermediate heat exchanger 6 to absorb heat and raise temperature; the steam discharged by the intermediate heat exchanger 6 enters the steam turbine 1 to be depressurized and work, flows through the intermediate temperature regenerator 14 to release heat and cool to a certain extent, and then enters the steam turbine 1 to be depressurized and work continuously; the low-pressure steam discharged by the steam turbine 1 flows through the evaporator 5 to release heat and cool, and then is divided into two paths, wherein the first path enters the compressor 2 to raise the pressure and raise the temperature, and the second path enters the condenser 4 to release heat and condense, so that the photo-thermal energy carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 10 is realized by:

(1) Structurally, in the photo-thermal energy source carrying gas-steam combined cycle power device shown in fig. 1, a second booster pump and a low-temperature heat regenerator are added, a condensate pipe of the condenser 4 is communicated with the booster pump 3, the condensate pipe of the condenser 4 is communicated with the low-temperature heat regenerator 16 through the second booster pump 15, a steam extraction channel of the compressor 2 is communicated with the low-temperature heat regenerator 16, and the condensate pipe of the low-temperature heat regenerator 16 is communicated with the booster pump 3.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: the condensate discharged by the condenser 4 flows through the second booster pump 15 to be boosted and then enters the low-temperature heat regenerator 16 to be mixed with the extracted steam from the compressor 2, absorbs heat and heats up, and the extracted steam is released into condensate; condensate of the low-temperature heat regenerator 16 flows through the booster pump 3 to boost pressure, and then enters the evaporator 5 to absorb heat to raise temperature and vaporize; the low-pressure steam discharged by the steam turbine 1 flows through the evaporator 5 to release heat and cool, and then is divided into two paths, wherein the first path enters the compressor 2 to raise the pressure and raise the temperature, and the second path enters the condenser 4 to release heat and condense; the low-pressure steam enters the compressor 2 for boosting and heating, and is divided into two paths after being boosted to a certain extent, wherein the first path is provided for the low-temperature heat regenerator 16, and the second path is continuously boosted and heated and then enters the intermediate heat exchanger 6, so that the photo-thermal energy carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 11 is realized by:

in the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, a steam channel of an intermediate heat exchanger 6 is communicated with a steam turbine 1, and the intermediate heat exchanger 6 is adjusted to be communicated with the steam turbine 1 through a heat source heat exchanger 9; the steam discharged by the intermediate heat exchanger 6 flows through the heat source heat exchanger 9 to absorb heat and raise temperature, and then enters the steam turbine 1 to reduce pressure and do work, so that the photo-thermal energy source and gas-steam combined cycle power plant is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 12 is realized by:

(1) Structurally, in the photo-thermal energy source-carrying gas-steam combined cycle power plant shown in fig. 1, an expansion speed increaser 17 is added to replace a steam turbine 1, a dual-energy compressor 18 is added to replace a compressor 2, and a diffuser pipe 19 is added to replace a booster pump 3.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: condensate of the condenser 4 is subjected to speed reduction and pressure increase through a diffuser pipe 19, is subjected to heat absorption and temperature rise and vaporization through the evaporator 5, then enters the intermediate heat exchanger 6 to absorb heat and raise temperature, and steam discharged by the dual-energy compressor 18 enters the intermediate heat exchanger 6 to absorb heat and raise temperature; the steam discharged by the intermediate heat exchanger 6 flows through the expansion speed increaser 17 to be subjected to pressure reduction, work and speed increase, flows through the evaporator 5 to release heat and reduce temperature, and then is divided into two paths, wherein the first path enters the dual-energy compressor 18 to be subjected to pressure increase, temperature increase and speed reduction, and the second path enters the condenser 4 to release heat and be condensed; work output by the expansion machine 8 and the expansion speed increaser 17 is provided for the second compressor 7, the third compressor 10, the dual-energy compressor 18 and external power to form a photo-thermal energy source carrying gas-steam combined cycle power device.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 13 is realized by:

in the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, a heat source medium channel is additionally arranged in the intermediate heat exchanger 6 and is communicated with the outside; the heat source medium provides driving heat load through the heat source heat exchanger 9 and the intermediate heat exchanger 6 to form the photo-thermal energy carrying gas-steam combined cycle power plant.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 14 is realized by:

(1) Structurally, in the combined cycle power plant with gas and steam carried by photo-thermal energy source shown in fig. 1, a heater is added, the working medium channel of the intermediate heat exchanger 6 is communicated with the outside, the working medium channel of the intermediate heat exchanger is communicated with the second compressor 7, and the working medium channel of the intermediate heat exchanger 6 is also regulated to be communicated with the second compressor 7 through the heater 20, and the heated medium channel of the heater 20 is also communicated with the outside.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: working medium discharged by the expander 8 flows through the intermediate heat exchanger 6 and the heater 20 to gradually release heat and reduce temperature, and then enters the second compressor 7 to be boosted and heated; the heated medium takes away the heat supply load through the heater 20 to form a photo-thermal energy carrying gas-steam combined cycle power plant.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 15 is realized by:

(1) Structurally, in the photo-thermal energy source-carrying gas-steam combined cycle power plant shown in fig. 1, the working medium channel of the intermediate heat exchanger 6 is communicated with the outside and the working medium channel of the outside is communicated with the second compressor 7, and the working medium channel of the intermediate heat exchanger 6 is also adjusted to be communicated with the second compressor 7.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: the working medium discharged by the expander 8 flows through the intermediate heat exchanger 6 to release heat and reduce temperature, and then is supplied to the second compressor 7 to form the photo-thermal energy source carrying gas-steam combined cycle power plant.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 16 is realized by:

(1) In the combined cycle power plant of the photo-thermal type energy source and the gas-steam, shown in fig. 1, the communication between the working medium passage of the intermediate heat exchanger 6 and the outside is adjusted so that the working medium passage of the intermediate heat exchanger 6 is communicated with the outside through the evaporator 5.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: the working medium discharged by the expander 8 is gradually released and cooled through the intermediate heat exchanger 6 and the evaporator 5, and then is discharged outwards, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 17 is realized by:

(1) Structurally, in the photo-thermal energy source-carrying gas-steam combined cycle power plant shown in fig. 1, the working medium channel of the intermediate heat exchanger 6 is communicated with the outside and the working medium channel of the outside is communicated with the second compressor 7, and the working medium channel of the intermediate heat exchanger 6 is also adjusted to be communicated with the second compressor 7 through the evaporator 5.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 1, the difference is that: the working medium discharged by the expander 8 is gradually released and cooled through the intermediate heat exchanger 6 and the evaporator 5, and then is provided for the second compressor 7 to form the photo-thermal energy source carrying gas-steam combined cycle power plant.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 18 is realized by:

(1) Structurally, in the photo-thermal energy source-carrying gas-steam combined cycle power plant shown in fig. 16, a newly added dual-energy compressor a is added in place of the second compressor 7, a newly added expansion speed increaser B is added in place of the expander 8, and a newly added second dual-energy compressor C is added in place of the third compressor 10.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 16, the difference is that: the working medium discharged by the newly-increased expansion speed increaser B gradually releases heat and lowers temperature through the intermediate heat exchanger 6 and the evaporator 5, is boosted, raised and lowered in temperature through the newly-increased dual-energy compressor A, absorbs heat and raised in temperature through the heat source heat exchanger 9, is boosted, raised and lowered in temperature through the newly-increased second dual-energy compressor C, absorbs heat and raised in temperature through the solar heat collecting system 11, and then enters the newly-increased expansion speed increaser B to perform work and speed up through depressurization; the work output by the steam turbine 1 and the newly-increased expansion speed increaser B is provided for the compressor 2, the newly-increased dual-energy compressor A and the newly-increased second dual-energy compressor C to be used as power for the outside, or the work output by the steam turbine 1 and the newly-increased expansion speed increaser B is provided for the compressor 2, the booster pump 3, the newly-increased dual-energy compressor A, the newly-increased second dual-energy compressor C and the outside to be used as power for the outside, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 19 is realized by:

(1) Structurally, in the photo-thermal energy source-carrying gas-steam combined cycle power plant shown in fig. 16, a newly added dual-energy compressor a is added in place of the second compressor 7, a newly added expansion speed increaser B is added in place of the expander 8, and a newly added diffuser pipe D is added in place of the third compressor 10.

(2) In the flow, compared with the photo-thermal energy source carrying gas-steam combined cycle power plant shown in fig. 16, the difference is that: the working medium discharged by the newly-added expansion speed increaser B gradually releases heat and lowers temperature through the intermediate heat exchanger 6 and the evaporator 5, is boosted, raised and lowered in temperature through the newly-added dual-energy compressor A, absorbs heat and raises temperature through the heat source heat exchanger 9, is boosted, raised and lowered in temperature through the newly-added diffuser pipe D, absorbs heat and raises temperature through the solar heat collecting system 11, and then enters the newly-added expansion speed increaser B to be decompressed, acted and accelerated; the work output by the steam turbine 1 and the newly-increased expansion speed increaser B is provided for the compressor 2, the newly-increased dual-energy compressor A and the external power, or the work output by the steam turbine 1 and the newly-increased expansion speed increaser B is provided for the compressor 2, the booster pump 3, the newly-increased dual-energy compressor A and the external power, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

The photo-thermal energy source provided by the invention carries the gas-steam combined cycle power device and has the following effects and advantages:

(1) The photo-thermal and conventional heat resource sharing integrated thermal power system combines thermal power systems with different driving energy sources into a whole, so that the construction cost of the thermal power system is saved, and the cost performance is high.

(2) The photo-thermal and conventional heat resources provide driving heat load links, so that the temperature difference loss is small, and the thermodynamic perfection is high.

(3) The conventional heat resources are flexibly connected with the photo-heat, the heat resources exert a larger effect by means of the photo-heat, and the utilization value of the photo-heat converted into mechanical energy is improved.

(4) The heat resource can be used for or is beneficial to reducing the boosting ratio of a top circulation system, improving the flow of a gas circulation working medium and being beneficial to constructing a large-load photo-thermal type energy source carrying gas-steam combined cycle power device; the heat resource is used for improving the outlet temperature of the third compressor, so that the grade of the high-temperature heat source and the heat efficiency of the device are improved.

(5) The power application value of the conventional heat resource is exerted at a high level, and the irreversible loss of the temperature difference in the process of driving the heat load by the photo-thermal supply is reduced.

(6) The driving heat load realizes graded utilization in the gas-steam combined cycle, obviously reduces irreversible loss of temperature difference, and has high heat change work efficiency and thermodynamic perfection.

(7) And a plurality of heat regeneration technical means are provided, so that the coordination of the device in the aspects of load, thermal efficiency, step-up ratio and the like is effectively improved.

(8) The structure is simple, the flow is reasonable, and the scheme is rich; the reasonable energy utilization level is improved, and the expansion of the photo-thermal type energy carrying gas-steam combined cycle power device is facilitated.

Claims (20)

1. The photo-thermal energy source carries the gas-steam combined cycle power plant, mainly by the steam turbine, compressor, booster pump, condenser, evaporator, intermediate heat exchanger, second compressor, expander, heat source heat exchanger, third compressor and solar energy heat collecting system make up; the outside has working medium passageway to communicate with third compressor (10) through second compressor (7) and heat source heat exchanger (9), third compressor (10) still has working medium passageway to communicate with expander (8) through solar energy collection system (11), expander (8) still has working medium passageway to communicate with outside through intermediate heat exchanger (6), condenser (4) still has condensate pipe way to communicate with evaporator (5) through booster pump (3) and then evaporator (5) still has steam passageway to communicate with intermediate heat exchanger (6), compressor (2) has steam passageway to communicate with intermediate heat exchanger (6), intermediate heat exchanger (6) still has steam passageway to communicate with steam turbine (1), steam turbine (1) still has the low pressure steam passageway to communicate with evaporator (5) after-divide into two ways-first way to communicate with compressor (2) and second way to communicate with condenser (4), condenser (4) still has cooling medium passageway to communicate with outside, heat source heat exchanger (9) still has the heat source medium passageway to communicate with outside, steam turbine (1) connect compressor (2) and transmit power expansion, second compressor (7) and third compressor (10) are connected with other power transmission device of the same heat type.

2. The photo-thermal energy source and gas-steam combined cycle power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium channel to communicate with third compressor (10) through the second compressor (7) and heat source heat exchanger (9), the third compressor (10) also has working medium channel to communicate with expander (8) through high-temperature regenerator (12) and solar energy heat collecting system (11), expander (8) also has working medium channel to communicate with outside through high-temperature regenerator (12) and intermediate heat exchanger (6), condenser (4) has condensate pipeline to communicate with evaporator (5) through booster pump (3) and then evaporator (5) again has steam channel to communicate with intermediate heat exchanger (6), compressor (2) has steam channel to communicate with intermediate heat exchanger (6), intermediate heat exchanger (6) also has steam channel to communicate with steam turbine (1), turbine (1) also has low-pressure steam channel to communicate with evaporator (5) after that divide into two ways-first way to communicate with compressor (2) and second way to communicate with condenser (4), condenser (4) also has heat source medium channel to communicate with outside, heat source medium channel to communicate with outside (9) still has steam channel to communicate with outside, compressor (2) has steam channel to communicate with intermediate heat exchanger (6), the second compressor (8) and power transmission of power of the third compressor (7) is connected with compressor (8), the photo-thermal energy source is formed to carry the gas-steam combined cycle power device.

3. The photo-thermal energy source and gas-steam combined cycle power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium channel to communicate with third compressor (10) through the second compressor (7), heat source heat exchanger (9) and high-temperature regenerator (12), the third compressor (10) also has working medium channel to communicate with expander (8) through the solar energy heat collecting system (11), expander (8) also has working medium channel to communicate with outside through high-temperature regenerator (12) and intermediate heat exchanger (6), condenser (4) has condensate pipeline to communicate with evaporator (5) through booster pump (3) and then evaporator (5) again has steam channel to communicate with intermediate heat exchanger (6), compressor (2) has steam channel to communicate with intermediate heat exchanger (6), intermediate heat exchanger (6) also has steam channel to communicate with steam turbine (1), the steam turbine (1) also has low-pressure steam channel to communicate with evaporator (5) after two-first way to communicate with compressor (2) and second way to communicate with condenser (4), condenser (4) also has cooling medium channel to communicate with outside, heat source heat exchanger (9) also has heat source medium channel to communicate with outside, the compressor (2) has steam channel to communicate with intermediate heat exchanger (6), the second compressor (8) is connected with power transmission of the third compressor (7), the photo-thermal energy source is formed to carry the gas-steam combined cycle power device.

4. The photo-thermal energy source and gas-steam combined cycle power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium channel to communicate with third compressor (10) through the second compressor (7), high-temperature regenerator (12) and heat source heat exchanger (9), the third compressor (10) also has working medium channel to communicate with expander (8) through the solar energy heat collecting system (11), expander (8) also has working medium channel to communicate with outside through high-temperature regenerator (12) and intermediate heat exchanger (6), condenser (4) has condensate pipeline to communicate with evaporator (5) through booster pump (3), evaporator (5) again has steam channel to communicate with intermediate heat exchanger (6), compressor (2) has steam channel to communicate with intermediate heat exchanger (6), intermediate heat exchanger (6) also has steam channel to communicate with steam turbine (1), the steam turbine (1) also has low-pressure steam channel to communicate with evaporator (5) after that divide into two ways-the first way communicates with compressor (2) and the second way communicates with condenser (4), condenser (4) also has heat source medium channel to communicate with outside, heat source medium channel to communicate with outside (9) still has heat source medium channel to communicate with outside, compressor (2) has steam channel to communicate with intermediate heat exchanger (6), the third compressor (7) is connected with power transmission of compressor (8) and power transmission of the third compressor (8), the photo-thermal energy source is formed to carry the gas-steam combined cycle power device.

5. The photo-thermal energy source and gas-steam combined cycle power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a heat source heat exchanger, a third compressor, a solar heat collection system and a high-temperature regenerator; the outside has working medium channel and second compressor (7) to communicate, the second compressor (7) has working medium channel and self-communication through the high temperature regenerator (12) again, the second compressor (7) has working medium channel and third compressor (10) to communicate through the heat source heat exchanger (9), the third compressor (10) has working medium channel and expansion machine (8) to communicate through the solar energy heat collecting system (11), expansion machine (8) has working medium channel and communicates with outside through the high temperature regenerator (12) and intermediate heat exchanger (6), condenser (4) has condensate pipeline and evaporator (5) to communicate with intermediate heat exchanger (6) again after the evaporator (5) has condensate pipeline and evaporator (5) to communicate, the compressor (2) has steam channel and intermediate heat exchanger (6) to communicate, the intermediate heat exchanger (6) has steam channel and steam turbine (1) to communicate, the steam turbine (1) has low pressure steam channel and evaporator (5) to divide into two-first way and condenser (2) to communicate with second way and condenser (4) to communicate with outside, the condenser (4) has condensate pipeline and heat source (2) to communicate with heat source medium (9) and heat source (2) to communicate with outside, the expander (8) is connected with the second compressor (7) and the third compressor (10) and transmits power to form the photo-thermal energy source carrying gas-steam combined cycle power device.

6. The photo-thermal energy source carries with the gas-steam combined cycle power plant, mainly by the steam turbine, compressor, booster pump, condenser, evaporator, intermediate heat exchanger, second compressor, expander, heat source heat exchanger, third compressor, solar energy heat collecting system, high-temperature regenerator and second high-temperature regenerator make up; the outside has working medium channel to communicate with third compressor (10) through the second compressor (7), heat source heat exchanger (9) and high temperature regenerator (12), the third compressor (10) also has working medium channel to communicate with expander (8) through the second high temperature regenerator (13) and solar energy heat collecting system (11), expander (8) also has working medium channel to communicate with outside through the second high temperature regenerator (13), high temperature regenerator (12) and intermediate heat exchanger (6), condenser (4) has condensate pipeline to communicate with evaporator (5) through booster pump (3), evaporator (5) again has steam channel to communicate with intermediate heat exchanger (6) after the evaporator (5) has steam channel to communicate with intermediate heat exchanger (6), intermediate heat exchanger (6) also has steam channel to communicate with steam turbine (1), steam turbine (1) also has low pressure steam channel to communicate with evaporator (5) after-first way to communicate with compressor (2) and second way to communicate with condenser (4), condenser (4) also has cooling medium to communicate with heat source (9) and heat source heat exchanger (1) and heat source (9) to connect with outside medium, the expander (8) is connected with the second compressor (7) and the third compressor (10) and transmits power to form the photo-thermal energy source carrying gas-steam combined cycle power device.

7. In the photo-thermal energy source carrying gas-steam combined cycle power device, in any one of claims 2-5, a working medium channel of an expander (8) is communicated with the outside through a high-temperature heat regenerator (12) and an intermediate heat exchanger (6), and the working medium channel of the expander (8) is adjusted to be communicated with the outside through the high-temperature heat regenerator (12) after the working medium channel of the expander (8) is communicated with the self, and then the working medium channel of the expander (8) is communicated with the outside through the intermediate heat exchanger (6), so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

8. In the photo-thermal energy carrying gas-steam combined cycle power device disclosed in claim 6, a working medium channel of an expansion machine (8) is communicated with the outside through a second high-temperature heat regenerator (13), a high-temperature heat regenerator (12) and an intermediate heat exchanger (6), and the working medium channel of the expansion machine (8) is regulated to be communicated with the self through the second high-temperature heat regenerator (13), and then the working medium channel of the expansion machine (8) is communicated with the outside through the high-temperature heat regenerator (12) and the intermediate heat exchanger (6), so that the photo-thermal energy carrying gas-steam combined cycle power device is formed.

9. A photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that a medium-temperature heat regenerator is added in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in claims 1-8, the communication of a steam channel of an evaporator (5) and an intermediate heat exchanger (6) is adjusted to be that the communication of the steam channel of the evaporator (5) and the intermediate heat exchanger (6) is achieved, the communication of the steam channel of a compressor (2) and the intermediate heat exchanger (6) is adjusted to be that the communication of the steam channel of the compressor (2) and the intermediate heat exchanger (6) is achieved, the communication of a low-pressure steam channel of a steam turbine (1) and the evaporator (5) is adjusted to be that the communication of the low-pressure steam channel of the steam turbine (1) and the intermediate heat exchanger (14) is achieved, and the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

10. In the combined cycle power plant with the photo-thermal energy source and the gas-steam, a medium-temperature heat regenerator is added in any one of the photo-thermal energy source and the gas-steam combined cycle power plant with the photo-thermal energy source, the communication of a steam channel of an evaporator (5) and an intermediate heat exchanger (6) is adjusted to be that the communication of the steam channel of the evaporator (5) and the intermediate heat exchanger (6) is carried out, the communication of the steam channel of a compressor (2) and the intermediate heat exchanger (6) is adjusted to be that the communication of the steam channel of the compressor (2) and the intermediate heat exchanger (14) is carried out, the communication of a low-pressure steam channel of a steam turbine (1) and the evaporator (5) is adjusted to be that the communication of the low-pressure steam channel of the steam turbine (1) and the evaporator (5) is carried out after the communication of the steam channel of the intermediate heat exchanger (14) and the steam generator is carried by the self, and the photo-thermal energy source and the gas-steam combined cycle power plant is formed.

11. A photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that a second booster pump and a low-temperature heat regenerator are added in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in claims 1-10, a condensate pipe line of a condenser (4) is communicated with the booster pump (3) and is adjusted to be communicated with the low-temperature heat regenerator (16) through the second booster pump (15), a steam extraction channel of a compressor (2) is arranged to be communicated with the low-temperature heat regenerator (16), and a condensate pipe line of the low-temperature heat regenerator (16) is communicated with the booster pump (3) to form the photo-thermal energy source carrying gas-steam combined cycle power device.

12. The photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in claims 1-11, a steam channel of an intermediate heat exchanger (6) is communicated with a steam turbine (1), and the steam channel of the intermediate heat exchanger (6) is adjusted to be communicated with the steam turbine (1) through a heat source heat exchanger (9), so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

13. The photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that an expansion speed increaser (17) is added to replace a steam turbine (1), a dual-energy compressor (18) is added to replace a compressor (2), a diffuser pipe (19) is added to replace a booster pump (3) in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in claims 1-12, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

14. The photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in claims 1-13, a heat source medium channel is arranged in the intermediate heat exchanger (6) and communicated with the outside, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

15. A photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that a heat supply device is added in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in claims 1-14, a working medium channel of an intermediate heat exchanger (6) is communicated with the outside, a working medium channel of the intermediate heat exchanger is communicated with a second compressor (7), the working medium channel of the intermediate heat exchanger (6) is communicated with the second compressor (7) through a heat supply device (20), and the heated medium channel of the heat supply device (20) is also communicated with the outside, so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

16. The photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in claims 1-14, a working medium channel of an intermediate heat exchanger (6) is communicated with the outside, a working medium channel of the intermediate heat exchanger is communicated with a second compressor (7), and the working medium channel of the intermediate heat exchanger (6) is communicated with the second compressor (7) to form the photo-thermal energy source carrying gas-steam combined cycle power device.

17. The photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices in claims 1-14, a working medium channel of an intermediate heat exchanger (6) is communicated with the outside, and the working medium channel of the intermediate heat exchanger (6) is communicated with the outside through an evaporator (5), so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.

18. In the combined cycle power plant with photo-thermal energy and gas-steam, according to any one of claims 1-14, a working medium channel of an intermediate heat exchanger (6) is communicated with the outside and a working medium channel of the outside is communicated with a second compressor (7), and the working medium channel of the intermediate heat exchanger (6) is communicated with the second compressor (7) through an evaporator (5) to form the combined cycle power plant with photo-thermal energy and gas-steam.

19. The photo-thermal energy source carrying gas-steam combined cycle power plant is characterized in that in any one of the photo-thermal energy source carrying gas-steam combined cycle power plant of claims 15-16 and 18, a newly added dual-energy compressor (A) is added to replace a second compressor (7), a newly added expansion speed increaser (B) is added to replace an expansion machine (8), a newly added second dual-energy compressor (C) is added to replace a third compressor (10), and the photo-thermal energy source carrying gas-steam combined cycle power plant is formed.

20. The photo-thermal energy source carrying gas-steam combined cycle power device is characterized in that in any one of the photo-thermal energy source carrying gas-steam combined cycle power devices of claims 15-16 and 18, a newly-added dual-energy compressor (A) is added to replace a second compressor (7), a newly-added expansion speed increaser (B) is added to replace an expansion machine (8), a newly-added diffusion pipe (D) is added to replace a third compressor (10), so that the photo-thermal energy source carrying gas-steam combined cycle power device is formed.