CN117759397A - Fuel carrying same-light hot gas-steam combined cycle power device - Google Patents

Fuel carrying same-light hot gas-steam combined cycle power device Download PDF

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Publication number
CN117759397A
CN117759397A CN202311718001.5A CN202311718001A CN117759397A CN 117759397 A CN117759397 A CN 117759397A CN 202311718001 A CN202311718001 A CN 202311718001A CN 117759397 A CN117759397 A CN 117759397A
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China
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compressor
steam
channel
communicate
heat exchanger
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Chinese (zh)
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李鸿瑞
李华玉
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Individual
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Individual
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

Abstract

The invention provides a fuel carrying same light hot gas-steam combined cycle power device, and belongs to the technical field of thermodynamics and thermokinetic. The external fuel channel is communicated with the heating furnace, the external air channel is communicated with the heating furnace through the heat source regenerator, the heating furnace is communicated with the external through the heat source regenerator, the second compressor is communicated with the expansion machine through the solar heat collecting system, the third compressor and the heating furnace, the expansion machine is also communicated with the second compressor through the intermediate heat exchanger and the evaporator, the condenser is communicated with the intermediate heat exchanger through the booster pump and the evaporator, the compressor is communicated with the intermediate heat exchanger through the steam channel, the intermediate heat exchanger is also communicated with the steam turbine, the steam turbine is also communicated with the compressor and the condenser after the evaporator, the condenser is communicated with the outside through the cooling medium channel, and the fuel carrying same-light hot gas-steam combined cycle power device is formed.

Description

Fuel carrying same-light hot 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:
the conventional fuel and photo-thermal 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 conventional fuel or light and heat are converted into mechanical energy; 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; is limited by one or more factors such as working principle, working medium property, material property, equipment manufacturing level and the like, and under the existing technical condition, the temperature difference irreversible loss exists in the fuel combustion process.
The solar energy forms medium-temperature/high-temperature photo-heat through a heat collection technology means, so that the heat change work efficiency is improved, and the improvement of the photo-heat temperature is an important direction of solar energy utilization and development; along with the improvement of the grade, the construction cost is correspondingly increased. The application value of medium-temperature photo-thermal/high-temperature photo-thermal is not fully exerted due to factors such as working principle, materials, safety and the like, and the thermal efficiency is improved greatly.
The invention provides a fuel carrying same-light hot gas-steam combined cycle power device which has reasonable flow, simple structure, high thermodynamic perfection, low construction cost and high cost performance and obviously improves the application value of fuel and different-grade photo-thermal power by simply, actively, safely and efficiently utilizing energy to obtain power.
The invention comprises the following steps:
the invention mainly aims to provide a fuel carrying photo-thermal gas-steam combined cycle power plant, and the specific invention is described in the following items:
1. the fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace and a heat source regenerator; the external fuel channel is communicated with the heating furnace, the external air channel is communicated with the heating furnace through the heat source regenerator, the heating furnace is also communicated with the external fuel channel through the heat source regenerator, the second compressor is provided with a working medium channel which is communicated with the third compressor through the solar heat collecting system, the third compressor is also communicated with the expansion machine through the heating furnace, the expansion machine is also provided with a working medium channel which is communicated with the second compressor through the intermediate heat exchanger and the evaporator, the condenser is provided with a condensate pipeline which is communicated with the evaporator through the booster pump, the evaporator is further provided with a steam channel which is communicated with the intermediate heat exchanger, the compressor is provided with a steam channel which is communicated with the intermediate heat exchanger, the intermediate heat exchanger is also provided with a steam turbine which is further communicated with the steam turbine, the steam turbine is further provided with a low-pressure steam channel which is further communicated with the evaporator is divided into two paths, wherein the first path is communicated with the compressor and the second path is communicated with the condenser, the condenser is also provided with the cooling medium channel is 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, and the fuel carries the same light and the heat-steam combined cycle power device is formed.
2. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the external fuel channel is communicated with the heating furnace, the external air channel is communicated with the heating furnace through the heat source regenerator, the heating furnace is also communicated with the external gas channel through the heat source regenerator, the second compressor is also communicated with the third compressor through the solar heat collecting system, the third compressor is also communicated with the expansion machine through the high-temperature regenerator and the heating furnace, the expansion machine is also communicated with the second compressor through the high-temperature regenerator, the intermediate heat exchanger and the evaporator, the condenser is communicated with the evaporator through the condensate pipe through the booster pump, then the evaporator is further communicated with the intermediate heat exchanger, the compressor is communicated with the intermediate heat exchanger through the steam channel, the intermediate heat exchanger is also communicated with the steam turbine, the steam turbine is also communicated with the low-pressure steam channel, and then the evaporator is divided into two paths, namely, the first path is communicated with the compressor, the second path is communicated with the condenser, the cooling medium channel is also communicated with the external, 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 fuel carries the same light and heat gas-steam combined cycle power device is formed.
3. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the external fuel channel is communicated with the heating furnace, the external air channel is communicated with the heating furnace through the heat source regenerator, the heating furnace is also communicated with the external gas channel through the heat source regenerator, the second compressor is also communicated with the third compressor through the solar heat collecting system and the high-temperature regenerator, the third compressor is also communicated with the expansion machine through the heating furnace, the expansion machine is also communicated with the second compressor through the high-temperature regenerator, the intermediate heat exchanger and the evaporator, the condenser is communicated with the evaporator through the condensate pipe through the booster pump, the evaporator is further communicated with the intermediate heat exchanger, the compressor is further communicated with the steam channel and the intermediate heat exchanger, the intermediate heat exchanger is also communicated with the steam turbine, the steam turbine is also communicated with the low-pressure steam channel, and then is divided into two paths, namely, the first path is communicated with the compressor, the second path is communicated with the condenser, the cooling medium channel is also communicated with the external, the steam turbine is connected with the compressor and transmits power, the expansion machine is connected with the second compressor and the third compressor and transmits power, and the fuel carries the light and the heat gas-steam combined cycle power device is formed.
4. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the external fuel channel is communicated with the heating furnace, the external air channel is communicated with the heating furnace through the heat source regenerator, the heating furnace is also communicated with the external gas channel through the heat source regenerator, the second compressor is also communicated with the third compressor through the high-temperature regenerator and the solar heat collecting system, the third compressor is also communicated with the expansion machine through the heating furnace, the expansion machine is also communicated with the second compressor through the high-temperature regenerator, the intermediate heat exchanger and the evaporator, the condenser is communicated with the evaporator through the condensate pipe through the booster pump, the evaporator is further communicated with the intermediate heat exchanger, the compressor is further communicated with the intermediate heat exchanger, the intermediate heat exchanger is also communicated with the steam turbine, the steam turbine is also communicated with the low-pressure steam channel, and then is divided into two paths after being communicated with the evaporator, namely, the first path is communicated with the compressor, the second path is communicated with the condenser, the cooling medium channel is also communicated with the external, the steam turbine is connected with the compressor and transmits power, the expansion machine is connected with the second compressor and the third compressor and transmits power, and the fuel carries the same light and heat gas-steam combined cycle power device is formed.
5. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the external fuel channel is communicated with the heating furnace, the external air channel is communicated with the heating furnace through the heat source regenerator, the heating furnace is also communicated with the external gas channel through the heat source regenerator, the second compressor is also communicated with the second compressor through the high-temperature regenerator, the second compressor is also communicated with the third compressor through the solar heat collecting system, the third compressor is also communicated with the expansion machine through the heating furnace, the expansion machine is also communicated with the second compressor through the high-temperature regenerator, the intermediate heat exchanger and the evaporator, the condenser is also communicated with the evaporator through the booster pump, the evaporator is also communicated with the intermediate heat exchanger through the steam channel, the compressor is also communicated with the intermediate heat exchanger, the intermediate heat exchanger is also communicated with the steam turbine, the steam turbine is also communicated with the low-pressure steam channel, and then is divided into two paths, namely, the first path is communicated with the compressor and the second path is communicated with the condenser, the condenser is also communicated with the cooling medium channel is communicated with the external heat exchanger, the steam turbine is connected with the compressor and transmits power, the expansion machine is connected with the second compressor and the third compressor and transmits power, and the fuel and the light and steam combined power.
6. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator, a high-temperature regenerator and a second high-temperature regenerator; the external fuel channel is communicated with the heating furnace, the external air channel is communicated with the heating furnace through the heat source regenerator, the heating furnace is also communicated with the external gas channel through the heat source regenerator, the second compressor is provided with a working medium channel which is communicated with the third compressor through the solar heat collecting system and the high-temperature regenerator, the third compressor is also communicated with the expansion machine through the second high-temperature regenerator and the heating furnace, the expansion machine is also communicated with the second compressor through the second high-temperature regenerator, the intermediate heat exchanger and the evaporator, the condenser is provided with a condensate pipeline which is communicated with the evaporator through the booster pump, the evaporator is further communicated with the intermediate heat exchanger, the compressor is further communicated with the intermediate heat exchanger, the intermediate heat exchanger is also communicated with the steam channel, the steam turbine is further communicated with the low-pressure steam channel which is then divided into two paths, namely, the first path is communicated with the compressor and the second path is communicated with the condenser, the condenser is also communicated with the cooling medium channel which is communicated with the external portion, the steam turbine is connected with the compressor and transmits power, the expansion machine is connected with the second compressor and the third compressor and transmits power, and the condensate pipeline is communicated with the evaporator through the booster pump and the evaporator, and the fuel and the light-steam combined power device is formed.
7. The fuel carrying same-light hot gas-steam combined cycle power device is characterized in that in any one of the fuel carrying same-light hot gas-steam combined cycle power devices in the 2-5 th aspect, a working medium channel of an expander is communicated with a second compressor through a high-temperature heat regenerator, an intermediate heat exchanger and an evaporator, and is adjusted to be that the working medium channel of the expander is communicated with the expander through the high-temperature heat regenerator, and then the working medium channel of the expander is communicated with the second compressor through the intermediate heat exchanger and the evaporator, so that the fuel carrying same-light hot gas-steam combined cycle power device is formed.
8. In the fuel-carrying photo-thermal gas-steam combined cycle power plant according to the 6 th aspect, the working medium passage of the expander is communicated with the second compressor through the second high-temperature regenerator, the intermediate heat exchanger and the evaporator, and is adjusted so that the working medium passage of the expander is communicated with the expander through the second high-temperature regenerator, and then the working medium passage of the expander is communicated with the second compressor through the high-temperature regenerator, the intermediate heat exchanger and the evaporator, thereby forming the fuel-carrying photo-thermal gas-steam combined cycle power plant.
9. The fuel carrying same-light hot gas-steam combined cycle power device is characterized in that a medium temperature heat regenerator is added in any one of the fuel carrying same-light hot 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 fuel carrying same-light hot gas-steam combined cycle power device is formed.
10. The fuel carrying same-light hot gas-steam combined cycle power device is formed by adding a medium temperature heat regenerator in any one of the fuel carrying same-light hot gas-steam combined cycle power devices in the 1 st to 8 th, adjusting the communication of an evaporator with a steam channel and an intermediate heat exchanger to be that the evaporator with the steam channel is communicated with the intermediate heat exchanger through the medium temperature heat regenerator, adjusting the communication of a compressor with the steam channel and the intermediate heat exchanger to be that the compressor with the steam channel is communicated with the intermediate heat exchanger through the medium temperature heat regenerator, adjusting the communication of a steam turbine with a low-pressure steam channel and the evaporator to be that the steam turbine with the steam channel is communicated with the steam turbine after the medium temperature heat regenerator is communicated with the steam turbine, and then the low-pressure steam channel is communicated with the evaporator.
11. The fuel carrying same-light hot 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 fuel carrying same-light hot 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, and arranging a steam extraction channel for the compressor to be communicated with the low-temperature heat regenerator, wherein the low-temperature heat regenerator is further communicated with the booster pump through the condensate pipe.
12. The fuel carrying same-light hot gas-steam combined cycle power device is characterized in that in any one of the fuel carrying same-light hot gas-steam combined cycle power devices in the 1 st to 11 th, a steam passage of an intermediate heat exchanger is communicated with a steam turbine, and the intermediate heat exchanger is adjusted to be communicated with the steam turbine through a solar heat collection system, so that the fuel carrying same-light hot gas-steam combined cycle power device is formed.
13. The fuel carrying same-light hot gas-steam combined cycle power device is formed by adding an expansion speed increaser to replace a steam turbine, adding a dual-energy compressor to replace a compressor, adding a diffuser pipe to replace a booster pump in any one of the fuel carrying same-light hot gas-steam combined cycle power devices of 1-12.
14. The fuel carrying same-light hot gas-steam combined cycle power device is formed by connecting a working medium channel of an intermediate heat exchanger with a second compressor through an evaporator in any one of the energy carrying same-light hot gas-steam combined cycle power devices of 1-13, adjusting the working medium channel of the intermediate heat exchanger to be connected with the outside through the evaporator and the working medium channel of the intermediate heat exchanger to be connected with the second compressor.
15. The nuclear energy type fuel carrying same light hot gas-steam combined cycle power device is characterized in that in any one of the nuclear energy type fuel carrying same light hot gas-steam combined cycle power devices in 1-13, a working medium channel of an intermediate heat exchanger is communicated with a second compressor through an evaporator to be adjusted into a working medium channel of the intermediate heat exchanger to be communicated with the second compressor, so that the fuel carrying same light hot gas-steam combined cycle power device is formed.
16. The nuclear energy type fuel co-light hot gas-steam combined cycle power plant is characterized in that in any one of the nuclear energy type fuel co-light hot gas-steam combined cycle power plant in the 1 st to 13 th, a working medium channel of an intermediate heat exchanger is communicated with a second compressor through an evaporator, the working medium channel of the intermediate heat exchanger is adjusted to be communicated with the second compressor through a heater, and a heated medium channel of the heater is communicated with the outside to form the fuel co-light hot gas-steam combined cycle power plant.
17. The nuclear fuel co-light hot gas-steam combined cycle power plant is characterized in that in any one of the nuclear fuel co-light hot gas-steam combined cycle power plants in the 1 st to 16 th, a newly added dual-energy compressor is added to replace a second compressor, a newly added expansion speed increaser is added to replace an expansion machine, a newly added second dual-energy compressor is added to replace a third compressor, and the nuclear fuel co-light hot gas-steam combined cycle power plant is formed.
18. The nuclear fuel carrying same light hot 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 nuclear fuel carrying same light hot gas-steam combined cycle power devices in the 1 st to 16 th.
Description of the drawings:
FIG. 1 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the invention.
FIG. 2 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the invention.
FIG. 3 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the invention, under the 3 rd principle.
FIG. 4 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the invention, according to the 4 th principle.
FIG. 5 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the invention.
FIG. 6 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the invention.
FIG. 7 is a schematic diagram of a 7 th principle thermodynamic system of a combined fuel and light, hot gas and steam cycle power plant according to the present invention.
FIG. 8 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the invention.
FIG. 9 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the invention, type 9.
FIG. 10 is a schematic diagram of a 10 th principle thermodynamic system of a combined fuel and light, hot gas and steam cycle power plant according to the present invention.
FIG. 11 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the invention, at 11 th principles.
FIG. 12 is a schematic diagram of a 12 th principle thermodynamic system of a combined fuel and light, hot gas and steam cycle power plant according to the present invention.
FIG. 13 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant 13 according to the invention.
FIG. 14 is a schematic thermodynamic system diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the 14 th principles of the present invention.
FIG. 15 is a schematic diagram of a fuel-carrying photo-thermal gas-steam combined cycle power plant according to the invention, at 15 th principle thermodynamic system.
FIG. 16 is a schematic view of a 16 th principle thermodynamic system of a combined fuel and light, hot gas and steam cycle power plant according to the present invention.
FIG. 17 is a schematic diagram of a 17 th principle thermodynamic system of a combined fuel and light, hot gas and steam cycle power plant according to the present 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-solar heat collection system, a 10-third compressor, an 11-heating furnace, a 12-heat source regenerator, a 13-high temperature regenerator, a 14-second high temperature regenerator, a 15-medium temperature regenerator, a 16-second booster pump, a 17-low temperature regenerator, an 18-expansion speed increaser, a 19-dual-energy compressor, a 20-diffuser pipe and a 21-heater are arranged; a-newly increased dual-energy compressor, B-newly increased expansion speed increaser, C-newly increased second dual-energy compressor, D-newly increased diffuser.
Regarding the photo-thermal and solar heat collection system, the following brief description is given here:
(1) The solar heat collection system in the application of the invention is also called a solar heat supply system, which is a heat supply system for converting solar radiation energy into medium-temperature heat energy/high-temperature heat energy (simply called photo-heat) by using a heat collector and can be used for providing driving heat load for 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: one is a concentrating solar heat collection system, and currently, three systems, namely a groove type system, a tower type system and a butterfly type system, are mainly used; the second is a non-condensing solar heat collecting system, which comprises a solar pond, a solar chimney and the like.
(3) There are two main types of heat supply modes of solar heat collection systems at present: firstly, medium-temperature heat energy/high-temperature heat energy converted from solar energy is directly supplied to a circulating working medium flowing through a solar heat collection system; and secondly, medium-temperature heat energy/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 fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 1 is implemented as follows:
(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace and a heat source regenerator; the outside has fuel passage and heating furnace 11 to communicate, the outside has air passage and heating furnace 11 to communicate through heat source regenerator 12, heating furnace 11 has gas passage and outside to communicate through heat source regenerator 12, the second compressor 7 has working medium passage and third compressor 10 to communicate through solar energy collection system 9, the third compressor 10 has working medium passage and expander 8 to communicate through heating furnace 11, expander 8 has working medium passage and communicates with second compressor 7 through intermediate heat exchanger 6 and evaporator 5, condenser 4 has condensate pipeline and evaporator 5 and steam passage and intermediate heat exchanger 6 after communicating with evaporator 5 through booster pump 3, compressor 2 has steam passage and intermediate heat exchanger 6 to communicate, intermediate heat exchanger 6 has steam passage and steam turbine 1 to communicate, steam turbine 1 has low-pressure steam passage and divides into two-first way and compressor 2 to communicate with condenser 4 after communicating with evaporator 5, condenser 4 has cooling medium passage and communicates 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, external fuel enters the heating furnace 11, external air enters the heating furnace 11 after absorbing heat and raising temperature through the heat source regenerator 12, the fuel and the air are mixed in the heating furnace 11 and combusted to generate high-temperature fuel gas, the fuel gas releases heat on a working medium flowing through the heating furnace 11, and then the fuel gas releases heat and lowers temperature through the heat source regenerator 12 and is discharged outwards; the working medium is subjected to pressure boosting and temperature rising through the second compressor 7, is subjected to heat absorption and temperature rising through the solar heat collection system 9, is subjected to pressure boosting and temperature rising through the third compressor 10, is subjected to heat absorption and temperature rising through the heating furnace 11, is subjected to pressure reduction and work by the expander 8, is subjected to gradual heat release and temperature reduction through the intermediate heat exchanger 6 and the evaporator 5, and is then supplied to the second compressor 7; 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 solar energy provides a driving heat load through the solar heat collection system 9, the fuel provides a driving heat load through the heating furnace 11, the cooling medium takes away a low-temperature heat load through the condenser 4, and the air and the fuel gas take away a discharging heat load through the inlet and outlet heating furnace 11; 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 fuel carrying same-light hot gas-steam combined cycle power device is formed.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 2 is implemented as follows:
(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the outside has fuel channel to communicate with heating furnace 11, the outside has air channel to communicate with heating furnace 11 through heat source regenerator 12, heating furnace 11 has gas channel to communicate with outside through heat source regenerator 12, the second compressor 7 has working medium channel to communicate with third compressor 10 through solar energy heat collecting system 9, the third compressor 10 has working medium channel to communicate with expander 8 through high temperature regenerator 13 and heating furnace 11, expander 8 has working medium channel to communicate with second compressor 7 through high temperature regenerator 13, intermediate heat exchanger 6 and evaporator 5, condenser 4 has condensate pipeline to communicate with evaporator 5 through booster pump 3, evaporator 5 has steam channel to communicate with intermediate heat exchanger 6 again, compressor 2 has steam channel to communicate with intermediate heat exchanger 6, intermediate heat exchanger 6 has steam channel to communicate with steam turbine 1, steam turbine 1 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 has cooling medium channel to communicate with outside, 1 connects compressor 2 and transmits power, expander 8 connects with third compressor 10 and power transmission of the third compressor 1.
(2) In flow, compared with the fuel carrying same-light hot 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 13 to absorb heat and raise temperature, and then enters the heating furnace 11 to absorb heat and raise temperature; the working medium discharged by the expander 8 flows through the high-temperature regenerator 13 to release heat and reduce temperature, and then is supplied to the intermediate heat exchanger 6 to form the fuel-carrying photo-thermal gas-steam combined cycle power plant.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 3 is implemented as follows:
(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the outside has fuel passage and heating furnace 11 to communicate, the outside has air passage and heating furnace 11 to communicate through heat source regenerator 12, heating furnace 11 still has gas passage and outside to communicate through heat source regenerator 12, second compressor 7 has working medium passage and third compressor 10 to communicate through solar energy collection system 9 and high temperature regenerator 13, third compressor 10 still has working medium passage and expander 8 to communicate through heating furnace 11, expander 8 still has working medium passage and second compressor 7 to communicate through high temperature regenerator 13, intermediate heat exchanger 6 and evaporator 5, condenser 4 has condensate pipeline and evaporator 5 to communicate through booster pump 3 and then evaporator 5 still has steam passage and intermediate heat exchanger 6 to communicate, compressor 2 has steam passage and intermediate heat exchanger 6 to communicate, intermediate heat exchanger 6 still has steam passage and steam turbine 1 to communicate, steam turbine 1 still has low pressure steam passage to divide into two ways after communicating with evaporator 5-first way and compressor 2 and second way and condenser 4 to communicate, condenser 4 still has cooling medium passage and outside to communicate, the condenser 4 has condensate pipeline and connects compressor 2 and transmits power through booster pump 3 and evaporator 7 and third compressor 10.
(2) In flow, compared with the fuel carrying same-light hot gas-steam combined cycle power plant shown in fig. 1, the difference is that: working medium discharged by the second compressor 7 is gradually absorbed in heat and is warmed through the solar heat collection system 9 and the high-temperature heat regenerator 13, and then enters the third compressor 10 to be boosted and warmed; the working medium discharged by the expander 8 flows through the high-temperature regenerator 13 to release heat and reduce temperature, and then is supplied to the intermediate heat exchanger 6 to form the fuel-carrying photo-thermal gas-steam combined cycle power plant.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 4 is implemented as follows:
(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the outside has fuel passage and heating furnace 11 to communicate, the outside has air passage and heating furnace 11 to communicate through heat source regenerator 12, heating furnace 11 still has gas passage and outside to communicate through heat source regenerator 12, the second compressor 7 has working medium passage and third compressor 10 to communicate through high temperature regenerator 13 and solar energy collection system 9, the third compressor 10 still has working medium passage and expander 8 to communicate through heating furnace 11, expander 8 still has working medium passage and communicates with second compressor 7 through high temperature regenerator 13, intermediate heat exchanger 6 and evaporator 5, condenser 4 has condensate pipeline and evaporator 5 to communicate with intermediate heat exchanger 6 after communicating with evaporator 5 through booster pump 3, compressor 2 has steam passage and intermediate heat exchanger 6 to communicate, intermediate heat exchanger 6 still has steam passage and steam turbine 1 to communicate, steam turbine 1 still has low pressure steam passage to communicate with evaporator 5 and divide into two-first way and compressor 2 and second way and condenser 4 to communicate, condenser 4 still has cooling medium passage and outside to communicate, 1 connects compressor 2 and transmits power, expander 8 and third compressor 10.
(2) In flow, compared with the fuel carrying same-light hot gas-steam combined cycle power plant shown in fig. 1, the difference is that: working medium discharged by the second compressor 7 is gradually absorbed in heat and is warmed through the high-temperature heat regenerator 13 and the solar heat collection system 9, and then enters the third compressor 10 to be boosted and warmed; the working medium discharged by the expander 8 flows through the high-temperature regenerator 13 to release heat and reduce temperature, and then is supplied to the intermediate heat exchanger 6 to form the fuel-carrying photo-thermal gas-steam combined cycle power plant.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 5 is implemented as follows:
(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the outside has fuel channel to communicate with heating furnace 11, the outside has air channel to communicate with heating furnace 11 through the heat source regenerator 12, heating furnace 11 has gas channel to communicate with outside through the heat source regenerator 12, the second compressor 7 has working medium channel to communicate with oneself through the high temperature regenerator 13, the second compressor 7 has working medium channel to communicate with third compressor 10 through the solar energy heat collecting system 9, the third compressor 10 has working medium channel to communicate with expander 8 through heating furnace 11, expander 8 has working medium channel to communicate with second compressor 7 through the high temperature regenerator 13, intermediate heat exchanger 6 and evaporator 5, the condenser 4 has condensate pipeline to communicate with evaporator 5 after the evaporator 5 through the booster pump 3, the evaporator 5 has steam channel to communicate with intermediate heat exchanger 6 again, the intermediate heat exchanger 6 has steam channel to communicate with steam turbine 1, the steam turbine 1 has low pressure steam channel to communicate with evaporator 5 after dividing into two-the first way to communicate with compressor 2 and the second way to communicate with condenser 4, the condenser 4 has cooling medium channel to communicate with outside 1, and the power transmission of the third compressor 7 and the power transmission of the third compressor 10 is connected with the first way to the expander 8.
(2) In flow, compared with the fuel carrying same-light hot gas-steam combined cycle power plant shown in fig. 1, the difference is that: the working medium enters the second compressor 7 to be boosted and heated, flows through the high-temperature heat regenerator 13 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 solar heat collection system 9; the working medium discharged by the expander 8 flows through the high-temperature regenerator 13 to release heat and reduce temperature, and then is supplied to the intermediate heat exchanger 6 to form the fuel-carrying photo-thermal gas-steam combined cycle power plant.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 6 is implemented as follows:
(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator, a high-temperature regenerator and a second high-temperature regenerator; the outside has fuel passage and heating furnace 11 to communicate, the outside has air passage and heating furnace 11 to communicate through heat source regenerator 12, heating furnace 11 also has gas passage and outside to communicate through heat source regenerator 12, second compressor 7 has working medium passage and third compressor 10 to communicate through solar energy heat collecting system 9 and high temperature regenerator 13, third compressor 10 also has working medium passage and expander 8 to communicate through second high temperature regenerator 14 and heating furnace 11, expander 8 also has working medium passage and communicates with second compressor 7 through second high temperature regenerator 14, high temperature regenerator 13, intermediate heat exchanger 6 and evaporator 5, condenser 4 has condensate pipeline to communicate with evaporator 5 after passing through booster pump 3 and intermediate heat exchanger 6, compressor 2 has steam passage and intermediate heat exchanger 6 to communicate, intermediate heat exchanger 6 also has steam passage and steam turbine 1 to communicate, steam turbine 1 still has low pressure steam passage to communicate evaporator 5 after dividing into two-first way and compressor 2 to communicate with second way and condenser 4, condenser 4 still has cooling medium passage to communicate with outside 1, and power transmission of the first way and second way and third compressor 8 are connected with the power transmission of the compressor 7.
(2) In flow, compared with the fuel carrying same-light hot 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 heated by heat absorption through the solar heat collection system 9 and the high-temperature heat regenerator 13, is boosted by pressure and heated by the third compressor 10, is heated by heat absorption through the second high-temperature heat regenerator 14, and then enters the heating furnace 11 to absorb heat and heat; the working medium discharged by the expansion machine 8 flows through the second high-temperature heat regenerator 14 and the high-temperature heat regenerator 13 to release heat gradually and cool down, and then is supplied to the intermediate heat exchanger 6 to form the fuel carrying photo-thermal gas-steam combined cycle power plant.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 7 is implemented as follows:
(1) In the combined cycle power plant of the fuel carrying the same light and the hot gas and the steam shown in fig. 2, a working medium channel of the expander 8 is communicated with the second compressor 7 through the high-temperature heat regenerator 13, the intermediate heat exchanger 6 and the evaporator 5, and the working medium channel of the expander 8 is adjusted to be communicated with the expander through the high-temperature heat regenerator 13, and then the working medium channel of the expander 8 is communicated with the second compressor 7 through the intermediate heat exchanger 6 and the evaporator 5.
(2) In flow, compared with the fuel carrying same-light hot gas-steam combined cycle power plant shown in fig. 2, the difference is that: the working medium discharged by the heating furnace 11 enters the expander 8 to perform decompression and work, flows through the high-temperature regenerator 13 to release heat and cool to a certain extent, then enters the expander 8 to continue decompression and work, and then is provided for the intermediate heat exchanger 6 to form the fuel-carrying same-light hot gas-steam combined cycle power device.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 8 is implemented as follows:
(1) In the structure, in the fuel carrying same-light hot 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 15, the communication between a 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 15, and the communication between a 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 15.
(2) In flow, compared with the fuel carrying same-light hot gas-steam combined cycle power plant shown in fig. 1, the difference is that: steam respectively discharged by the evaporator 5 and the compressor 2 flows through the medium-temperature heat regenerator 15 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 and cooled through the medium-temperature heat regenerator 15 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 fuel carrying same-light hot gas-steam combined cycle power device is formed.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 9 is implemented as follows:
(1) In the structure, in the fuel carrying same-light hot 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 the medium temperature heat regenerator 15, the communication between a 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 15, the communication between a low-pressure steam channel of a steam turbine 1 and the evaporator 5 is adjusted to be that the steam channel of the steam turbine 1 is communicated with the steam generator through the medium temperature heat regenerator 15, and then the low-pressure steam channel of the steam turbine 1 is communicated with the evaporator 5.
(2) In flow, compared with the fuel carrying same-light hot gas-steam combined cycle power plant shown in fig. 1, the difference is that: steam respectively discharged by the evaporator 5 and the compressor 2 flows through the medium-temperature heat regenerator 15 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 15 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 fuel carrying same-light hot gas-steam combined cycle power device is formed.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 10 is implemented as follows:
(1) Structurally, in the combined cycle power device of the fuel carrying the same-light hot gas and the steam, which is shown in fig. 1, a second booster pump and a low-temperature heat regenerator are added, a condensate pipe arranged on the condenser 4 is communicated with the booster pump 3, the condensate pipe arranged on the condenser 4 is communicated with the low-temperature heat regenerator 17 through the second booster pump 16, a steam extraction channel is arranged on the compressor 2 and is communicated with the low-temperature heat regenerator 17, and the condensate pipe arranged on the low-temperature heat regenerator 17 is communicated with the booster pump 3.
(2) In flow, compared with the fuel carrying same-light hot 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 16 to be boosted and then enters the low-temperature heat regenerator 17 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 17 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, is divided into two paths after being boosted to a certain extent, wherein the first path is provided for the low-temperature heat regenerator 17, and the second path is continuously boosted and heated and then enters the intermediate heat exchanger 6, so that the fuel carrying same-light hot gas-steam combined cycle power device is formed.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 11 is implemented as follows:
in the fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 1, the intermediate heat exchanger 6 is provided with a steam channel which is communicated with the steam turbine 1, and the intermediate heat exchanger 6 is adjusted to be provided with a steam channel which is communicated with the steam turbine 1 through the solar heat collection system 9; the steam discharged by the intermediate heat exchanger 6 flows through the solar heat collection system 9 to absorb heat and raise temperature, and then enters the steam turbine 1 to be depressurized and work, so that the fuel carrying same-light hot gas-steam combined cycle power device is formed.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 12 is implemented as follows:
(1) Structurally, in the combined cycle power plant of the fuel carrying hot gas and steam as shown in fig. 1, an expansion speed increaser 18 is added to replace a steam turbine 1, a dual-energy compressor 19 is added to replace a compressor 2, and a diffuser pipe 20 is added to replace a booster pump 3.
(2) In flow, compared with the fuel carrying same-light hot 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 20, 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 19 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 18 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 19 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 18 is provided for the second compressor 7, the third compressor 10, the dual-energy compressor 19 and external power to form the fuel carrying same-light hot gas-steam combined cycle power plant.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 13 is implemented as follows:
(1) In the combined cycle power plant of the fuel-carrying hot gas-steam type shown in fig. 1, the working medium passage of the intermediate heat exchanger 6 is communicated with the second compressor 7 through the evaporator 5, and the working medium passage of the intermediate heat exchanger 6 is adjusted to be communicated with the outside through the evaporator 5 and the working medium passage of the outside is communicated with the second compressor 7.
(2) In flow, compared with the fuel carrying same-light hot gas-steam combined cycle power plant shown in fig. 1, the difference is that: the external working medium flows through the second compressor 7 to be boosted and heated, and then enters the solar heat collection system 9; 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 discharged to the outside, so that the fuel carrying same-light hot gas-steam combined cycle power plant is formed.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 14 is implemented as follows:
(1) In the combined cycle power plant of the fuel-carrying hot gas-steam type shown in fig. 1, the working medium passage of the intermediate heat exchanger 6 is communicated with the second compressor 7 through the evaporator 5, and the working medium passage of the intermediate heat exchanger 6 is communicated with the second compressor 7.
(2) In flow, compared with the fuel carrying same-light hot 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 cool, and then enters the second compressor 7 to raise the pressure and the temperature, so as to form the fuel-carrying same-light hot gas-steam combined cycle power plant.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 15 is implemented as follows:
(1) In the combined cycle power plant of the fuel-carrying hot gas-steam type shown in fig. 1, the working medium passage of the intermediate heat exchanger 6 is communicated with the second compressor 7 through the evaporator 5, and the working medium passage of the intermediate heat exchanger 6 is adjusted to be communicated with the second compressor 7 through the heater 21, and the heater 21 and the heated medium passage are also communicated with the outside.
(2) In flow, compared with the fuel carrying same-light hot gas-steam combined cycle power plant shown in fig. 1, the difference is that: the working medium discharged from the expander 8 is passed through the intermediate heat exchanger 6 and the heater 21 to gradually release heat and cool, and then supplied to the second compressor 7; the heated medium takes away the heat supply load through the heater 21 to form the fuel carrying light and hot gas-steam combined cycle power plant.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 16 is implemented as follows:
(1) Structurally, in the fuel-carrying hot gas-steam combined cycle power plant shown in fig. 1, a newly added dual-energy compressor a is added and replaces the second compressor 7, a newly added expansion speed increaser B is added and replaces the expander 8, and a newly added second dual-energy compressor C is added and replaces the third compressor 10.
(2) In flow, compared with the fuel carrying same-light hot gas-steam combined cycle power plant shown in fig. 1, the difference is that: the working medium discharged by the newly-increased expansion speed increaser B is gradually released in heat and temperature by passing through the intermediate heat exchanger 6 and the evaporator 5, is boosted, heated and decelerated by passing through the newly-increased dual-energy compressor A, absorbs heat and is warmed by passing through the solar heat collecting system 9, is boosted, heated and decelerated by passing through the newly-increased second dual-energy compressor C, absorbs heat and is warmed by passing through the heating furnace 11, and then enters the newly-increased expansion speed increaser B to be decompressed, acted and accelerated; the work output by the 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 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 fuel carrying same-light hot gas-steam combined cycle power device is formed.
The fuel carrying photo-thermal gas-steam combined cycle power plant shown in fig. 17 is implemented as follows:
(1) Structurally, in the combined cycle power plant of the fuel carrying the same-light and hot gas and steam shown in fig. 1, a newly added dual-energy compressor A is added to replace the second compressor 7, a newly added expansion speed increaser B is added to replace the expansion machine 8, and a newly added diffusion pipe D is added to replace the third compressor 10.
(2) In flow, compared with the fuel carrying same-light hot gas-steam combined cycle power plant shown in fig. 1, 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 raises temperature through the solar heat collecting system 9, is boosted, raised and lowered in temperature through the newly-increased diffusion pipe D, absorbs heat and raised in temperature through the heating furnace 11, and then enters the newly-increased 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 fuel carrying same-light hot gas-steam combined cycle power device is formed.
The fuel carrying same light hot gas-steam combined cycle power device has the following effects and advantages:
(1) The fuel and the photo-thermal integrated thermal power system are combined into a whole, so that the construction cost of the thermal power system is saved, and the performance price ratio is high.
(2) The fuel and the photo-heat provide driving heat load links, the temperature difference loss is small, and the thermodynamic perfection is high.
(3) The fuel and the light and heat with different temperature grades are flexibly connected and have good adaptability; the method is beneficial to reducing irreversible temperature difference loss in the fuel combustion process and improving thermodynamic perfection.
(4) The photo-thermal 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 fuel carrying same photo-thermal gas-steam combined cycle power device; photo-thermal or for increasing the outlet temperature of the third compressor, thereby increasing the grade of the high-temperature heat source and the heat efficiency of the device.
(5) The application value of photo-thermal power is exerted at a high level, and the irreversible loss of temperature difference in the process of providing driving heat load by fuel 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 recovery technical means are provided, so that the coordination of the device in the aspects of load, performance index, 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 utilization level of energy is improved, and the application range of the fuel carrying same-light hot gas-steam combined cycle power plant is widened.

Claims (18)

1. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace and a heat source regenerator; the outside has fuel channel and heating furnace (11) to communicate, the outside has air channel and heating furnace (11) to communicate through heat source regenerator (12), heating furnace (11) has gas channel and heat source regenerator (12) to communicate with outside, second compressor (7) has working medium channel and solar energy heat collecting system (9) to communicate with third compressor (10), third compressor (10) has working medium channel and connects with expander (8) through heating furnace (11), expander (8) has working medium channel and connects with second compressor (7) through intermediate heat exchanger (6) and evaporator (5), condenser (4) has condensate pipeline and connects with evaporator (5) through booster pump (3) and then evaporator (5) has steam channel and intermediate heat exchanger (6) to communicate, compressor (2) has steam channel and intermediate heat exchanger (6) to communicate with steam turbine (1), steam turbine (1) has low pressure steam channel and connects with evaporator (5) to divide into two paths-first path and second path and compressor (4) to communicate with condenser (4) and connect with power transmission medium of the condenser (4) and the condenser (4) to communicate with the outside, the expander (8) is connected with the second compressor (7) and the third compressor (10) and transmits power to form the fuel carrying photo-thermal gas-steam combined cycle power plant.
2. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the outside has fuel channel and heating furnace (11) to communicate, the outside has air channel and heating furnace (11) to communicate through heat source regenerator (12), heating furnace (11) has gas channel and heat source regenerator (12) to communicate with outside, second compressor (7) has working medium channel and third compressor (10) to communicate through solar energy heat collecting system (9), third compressor (10) has working medium channel and high temperature regenerator (13) and heating furnace (11) to communicate with expander (8), expander (8) has working medium channel and high temperature regenerator (13), intermediate heat exchanger (6) and evaporator (5) to communicate with second compressor (7), condenser (4) has condensate pipeline and evaporator (5) to communicate with intermediate heat exchanger (6) after communicating with evaporator (5) through booster pump (3), intermediate heat exchanger (6) has steam channel and intermediate heat exchanger (6) to communicate with steam turbine (1), steam turbine (1) has low-pressure steam channel and evaporator (5) to communicate with second compressor (4) to communicate with the second compressor (4) after communicating with evaporator (4) and condenser (4) to communicate with the second compressor (4), the steam turbine (1) is connected with the compressor (2) and transmits power, and the expander (8) is connected with the second compressor (7) and the third compressor (10) and transmits power to form the fuel carrying same-light hot gas-steam combined cycle power device.
3. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the outside has fuel channel and heating furnace (11) to communicate, the outside has air channel and heating furnace (11) to communicate through heat source regenerator (12), heating furnace (11) has gas channel and outside to communicate through heat source regenerator (12), second compressor (7) has working medium channel and third compressor (10) to communicate through solar energy heat collecting system (9) and high temperature regenerator (13), third compressor (10) has working medium channel and expander (8) to communicate through heating furnace (11), expander (8) has working medium channel and high temperature regenerator (13), intermediate heat exchanger (6) and evaporator (5) to communicate with second compressor (7), condenser (4) has condensate pipeline and evaporator (5) to communicate with intermediate heat exchanger (6) after communicating through booster pump (3), compressor (2) has steam channel and intermediate heat exchanger (6) to communicate with steam turbine (1), steam turbine (1) has low pressure steam channel and evaporator (5) to communicate with second compressor (4) to form a channel and two-way condensing channel (4) to communicate with external medium, the steam turbine (1) is connected with the compressor (2) and transmits power, and the expander (8) is connected with the second compressor (7) and the third compressor (10) and transmits power to form the fuel carrying same-light hot gas-steam combined cycle power device.
4. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the outside has fuel channel and heating furnace (11) to communicate, the outside has air channel and heating furnace (11) to communicate through heat source regenerator (12), heating furnace (11) has gas channel and outside to communicate through heat source regenerator (12), second compressor (7) has working medium channel and third compressor (10) to communicate through high temperature regenerator (13) and solar energy heat collecting system (9), third compressor (10) has working medium channel and expander (8) to communicate through heating furnace (11), expander (8) has working medium channel and high temperature regenerator (13), intermediate heat exchanger (6) and evaporator (5) to communicate with second compressor (7), condenser (4) has condensate pipeline and evaporator (5) to communicate with intermediate heat exchanger (6) after communicating through booster pump (3), compressor (2) has steam channel and intermediate heat exchanger (6) to communicate with steam turbine (1), steam turbine (1) has low pressure steam channel and evaporator (5) to communicate with second compressor (4) to form a channel and two-way condensing channel, the steam turbine (1) is connected with the compressor (2) and transmits power, and the expander (8) is connected with the second compressor (7) and the third compressor (10) and transmits power to form the fuel carrying same-light hot gas-steam combined cycle power device.
5. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator and a high-temperature regenerator; the outside has fuel channel and heating furnace (11) to communicate, the outside has air channel and heating furnace (11) to communicate through heat source regenerator (12), heating furnace (11) has gas channel and outside to communicate through heat source regenerator (12), second compressor (7) has working medium channel and self to communicate through high temperature regenerator (13), second compressor (7) has working medium channel and communicates with third compressor (10) through solar energy heat collecting system (9), third compressor (10) has working medium channel and communicates with expander (8) through heating furnace (11), expander (8) has working medium channel and communicates with second compressor (7) through high temperature regenerator (13), intermediate heat exchanger (6) and evaporator (5), evaporator (5) has steam channel and intermediate heat exchanger (6) to communicate again after condenser pipeline and evaporator (5) are communicated through booster pump (3), intermediate heat exchanger (6) has steam channel and intermediate heat exchanger (6) to communicate, intermediate heat exchanger (6) has steam channel and steam turbine (1) to communicate with second compressor (4) and second steam turbine (4) to communicate with the second compressor (4) after the low pressure steam channel and the first steam turbine (1) has been communicated with the second compressor (4), the condenser (4) is also communicated with the outside through a cooling medium channel, the steam turbine (1) is connected with the compressor (2) and transmits power, and the expander (8) is connected with the second compressor (7) and the third compressor (10) and transmits power, so that the fuel carrying photo-thermal gas-steam combined cycle power device is formed.
6. The fuel carrying same-light hot gas-steam combined cycle power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, an intermediate heat exchanger, a second compressor, an expander, a solar heat collection system, a third compressor, a heating furnace, a heat source regenerator, a high-temperature regenerator and a second high-temperature regenerator; the outside has fuel channel and heating furnace (11) to communicate, the outside has air channel and heating furnace (11) to communicate through heat source regenerator (12), heating furnace (11) has gas channel and outside to communicate through heat source regenerator (12), second compressor (7) has working medium channel and third compressor (10) to communicate through solar energy heat collecting system (9) and high temperature regenerator (13), third compressor (10) has working medium channel and communicates with expander (8) through second high temperature regenerator (14) and heating furnace (11), expander (8) has working medium channel and communicates with second compressor (7) through second high temperature regenerator (14), high temperature regenerator (13), intermediate heat exchanger (6) and evaporator (5), evaporator (5) has steam channel and intermediate heat exchanger (6) to communicate after condenser (4) has condensate pipeline and evaporator (5) to communicate through booster pump (3), intermediate heat exchanger (6) has steam channel and intermediate heat exchanger (6) to communicate, intermediate heat exchanger (6) has steam channel and steam turbine (1) to communicate with second compressor (4) to communicate with the second compressor (4) after the steam channel and the steam turbine (1) has two-way to communicate with the second compressor (4), the condenser (4) is also communicated with the outside through a cooling medium channel, the steam turbine (1) is connected with the compressor (2) and transmits power, and the expander (8) is connected with the second compressor (7) and the third compressor (10) and transmits power, so that the fuel carrying photo-thermal gas-steam combined cycle power device is formed.
7. In the fuel carrying same-light hot gas-steam combined cycle power plant, in any one of claims 2-5, an expansion machine (8) is provided with a working medium channel which is communicated with a second compressor (7) through a high-temperature heat regenerator (13), an intermediate heat exchanger (6) and an evaporator (5), and the working medium channel of the expansion machine (8) is regulated to be communicated with the expansion machine through the high-temperature heat regenerator (13), and then the expansion machine (8) is further provided with a working medium channel which is communicated with the second compressor (7) through the intermediate heat exchanger (6) and the evaporator (5), so that the fuel carrying same-light hot gas-steam combined cycle power plant is formed.
8. In the fuel-carrying photo-thermal gas-steam combined cycle power plant, in the fuel-carrying photo-thermal gas-steam combined cycle power plant according to claim 6, an expansion machine (8) is provided with a working medium channel which is communicated with a second compressor (7) through a second high-temperature heat regenerator (14), a high-temperature heat regenerator (13), an intermediate heat exchanger (6) and an evaporator (5), and the working medium channel of the expansion machine (8) is regulated to be communicated with the expansion machine through the second high-temperature heat regenerator (14) and then the working medium channel of the expansion machine (8) is communicated with the second compressor (7) through the high-temperature heat regenerator (13), the intermediate heat exchanger (6) and the evaporator (5), so that the fuel-carrying photo-thermal gas-steam combined cycle power plant is formed.
9. In the fuel carrying and light-heat gas-steam combined cycle power plant, a medium-temperature heat regenerator is added in any one of the fuel carrying and light-heat gas-steam combined cycle power plants of 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 carried out through a medium-temperature heat regenerator (15), 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 carried out through the medium-temperature heat regenerator (15), 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 (5) is carried by the fuel carrying and light-heat gas-steam combined cycle power plant is formed.
10. In the fuel carrying same-light hot gas-steam combined cycle power device, a medium-temperature heat regenerator is added in any one of the fuel carrying same-light hot 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 steam channel of the evaporator (5) is communicated with the intermediate heat exchanger (6) through the medium-temperature heat regenerator (15), the communication of a 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 (15), the communication of a 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) after the steam channel of the steam turbine (1) is communicated with the medium-temperature heat regenerator (15), and the fuel carrying same-light hot gas-steam combined cycle power device is formed.
11. In the fuel carrying same-light hot gas-steam combined cycle power device, a second booster pump and a low-temperature heat regenerator are added in any one of the fuel carrying same-light hot gas-steam combined cycle power devices in claims 1-10, a condensate pipe of a condenser (4) is communicated with a booster pump (3) and is adjusted to be communicated with the low-temperature heat regenerator (17) through the second booster pump (16), a steam extraction channel of the compressor (2) is communicated with the low-temperature heat regenerator (17), and a condensate pipe of the low-temperature heat regenerator (17) is communicated with the booster pump (3) to form the fuel carrying same-light hot gas-steam combined cycle power device.
12. In the fuel carrying same-light hot gas-steam combined cycle power plant, in any one of claims 1-11, an intermediate heat exchanger (6) is provided with a steam channel which is communicated with a steam turbine (1), and is regulated to be that the intermediate heat exchanger (6) is provided with the steam channel which is communicated with the steam turbine (1) through a solar heat collection system (9), so that the fuel carrying same-light hot gas-steam combined cycle power plant is formed.
13. In the fuel carrying same-light hot gas-steam combined cycle power plant, an expansion speed increaser (18) is added to replace a steam turbine (1), a dual-energy compressor (19) is added to replace a compressor (2), a diffuser pipe (20) is added to replace a booster pump (3) to form the fuel carrying same-light hot gas-steam combined cycle power plant.
14. In the fuel carrying and light and heat gas-steam combined cycle power plant, in any one of the energy carrying and gas-steam combined cycle power plant of claims 1-13, a working medium channel of an intermediate heat exchanger (6) is communicated with a second compressor (7) through an evaporator (5), and is regulated to be that the working medium channel of the intermediate heat exchanger (6) is communicated with the outside through the evaporator (5) and the working medium channel is communicated with the second compressor (7), so that the fuel carrying and light and heat gas-steam combined cycle power plant is formed.
15. In the nuclear energy type fuel co-light hot gas-steam combined cycle power plant, any one of claims 1-13 is a nuclear energy type fuel co-light hot gas-steam combined cycle power plant, a working medium channel of an intermediate heat exchanger (6) is communicated with a second compressor (7) through an evaporator (5), and the working medium channel of the intermediate heat exchanger (6) is adjusted to be communicated with the second compressor (7) so as to form the fuel co-light hot gas-steam combined cycle power plant.
16. In the nuclear energy type fuel co-light hot gas-steam combined cycle power plant, any one of the claims 1-13 is provided with a working medium channel of an intermediate heat exchanger (6) communicated with a second compressor (7) through an evaporator (5), the working medium channel of the intermediate heat exchanger (6) is regulated to be communicated with the second compressor (7) through a heater (21), and the heater (21) is also communicated with the outside through a heated medium channel, so that the fuel co-light hot gas-steam combined cycle power plant is formed.
17. The nuclear energy type fuel co-light hot gas-steam combined cycle power plant is characterized in that in any one of the nuclear energy type fuel co-light hot gas-steam combined cycle power plant in claims 1-16, 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 nuclear energy type fuel co-light hot gas-steam combined cycle power plant is formed.
18. The nuclear energy type fuel co-light hot gas-steam combined cycle power plant is characterized in that in any one of the nuclear energy type fuel co-light hot gas-steam combined cycle power plant in claims 1-16, 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 diffuser pipe (D) is added to replace a third compressor (10), and the nuclear energy type fuel co-light hot gas-steam combined cycle power plant is formed.
CN202311718001.5A 2022-12-10 2023-12-08 Fuel carrying same-light hot gas-steam combined cycle power device Pending CN117759397A (en)

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CN2022117133217 2022-12-10
CN202211713321 2022-12-10

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