CN111379605A - Combined cycle power plant - Google Patents

Combined cycle power plant Download PDF

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Publication number
CN111379605A
CN111379605A CN202010101616.3A CN202010101616A CN111379605A CN 111379605 A CN111379605 A CN 111379605A CN 202010101616 A CN202010101616 A CN 202010101616A CN 111379605 A CN111379605 A CN 111379605A
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China
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communicated
evaporator
channel
condenser
outside
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CN202010101616.3A
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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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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • 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
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The invention provides a combined cycle power device, and belongs to the technical field of energy and power. The expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate liquid pipeline which is communicated with the evaporator through a diffuser pipe, and the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser; the external part of the internal combustion engine is provided with an air channel communicated with the internal combustion engine, the external part of the internal combustion engine is also provided with a fuel channel communicated with the internal combustion engine, the internal combustion engine is also provided with a fuel gas channel communicated with the external part through an evaporator, and the internal combustion engine is also provided with a cooling medium channel communicated with the external part; the condenser is also provided with a cooling medium channel communicated with the outside, and the evaporator is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device.

Description

Combined cycle power plant
The technical field is as follows:
the invention belongs to the technical field of energy and power.
Background art:
the heat energy is converted into mechanical energy which is needed by human life and production; in a combined cycle power plant that uses a high quality fuel and includes a steam power cycle, the expander, booster pump and heat exchanger used in the steam power cycle are essential basic and core components; the two core components of the expansion machine and the booster pump are difficult to manufacture, have high requirements on materials and have high manufacturing cost; meanwhile, the energy consumption of the booster pump is completely provided by mechanical energy or electric energy, which results in that the configuration of the expander and the booster pump is not simplified, and redundant energy conversion links exist, thereby influencing the heat power conversion efficiency. The method has the advantages of realizing simplification of parts and reducing energy conversion links, being beneficial to reducing the manufacturing difficulty and the manufacturing cost of the expansion machine and the booster pump used in the steam power cycle in the combined cycle power device, improving the heat power changing efficiency, and being beneficial to popularization and application of the combined cycle power device.
The invention provides a combined cycle power device which replaces an expander by an expansion speed increaser and replaces a booster pump by a diffusion pipe or a dual-energy booster pump on the premise of keeping or effectively improving the thermal efficiency of the combined cycle power device, aims to reduce the manufacturing difficulty and cost of the expander and the booster pump used in steam power cycle, and simultaneously reduces or simplifies the energy conversion link.
The invention content is as follows:
the invention mainly aims to provide a combined cycle power device for realizing a steam pressure reduction and expansion process by using an expansion speed increaser and a condensate liquid pressure increasing process by using a diffuser pipe or a dual-energy booster pump, and the specific contents of the invention are explained in sections as follows:
1. the combined cycle power plant mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor and a combustion chamber; the expander is provided with a steam channel which is communicated with the condenser through a spray pipe, the condenser is also provided with a condensate liquid pipeline which is communicated with the evaporator through a diffusion pipe, and the evaporator is also provided with a steam channel which is communicated with the expander; an air channel is arranged outside and communicated with the compressor, the compressor is also provided with an air channel which is communicated with the combustion chamber, a fuel channel is also arranged outside and communicated with the combustion chamber, the combustion chamber is also provided with a gas channel which is communicated with the gas turbine, and the gas channel is also communicated with the outside through the evaporator; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the gas turbine is connected with the compressor and transmits power to form a combined cycle power device.
2. The combined cycle power plant mainly comprises a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber and an expansion speed increaser; the expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate liquid pipeline which is communicated with the evaporator through a diffuser pipe, and the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser; an air channel is arranged outside and communicated with the compressor, the compressor is also provided with an air channel which is communicated with the combustion chamber, a fuel channel is also arranged outside and communicated with the combustion chamber, the combustion chamber is also provided with a gas channel which is communicated with the gas turbine, and the gas channel is also communicated with the outside through the evaporator; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the gas turbine is connected with the compressor and transmits power to form a combined cycle power device.
3. The combined cycle power plant mainly comprises a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber, an expansion speed increaser and a heat regenerator; the expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate liquid pipeline which is communicated with the evaporator through a diffuser pipe, and the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser; an air channel is arranged outside and communicated with the compressor, the compressor is also provided with an air channel which is communicated with the combustion chamber through a heat regenerator, a fuel channel is also arranged outside and communicated with the combustion chamber, the combustion chamber is also provided with a gas channel which is communicated with a gas turbine, and the gas turbine is also provided with a gas channel which is communicated with the outside through the heat regenerator and an evaporator; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the gas turbine is connected with the compressor and transmits power to form a combined cycle power device.
4. The combined cycle power plant mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber and a booster pump; the expander is provided with a steam channel which is communicated with the condenser through a spray pipe, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a diffuser pipe and a booster pump, and the evaporator is also provided with a steam channel which is communicated with the expander; an air channel is arranged outside and communicated with the compressor, the compressor is also provided with an air channel which is communicated with the combustion chamber, a fuel channel is also arranged outside and communicated with the combustion chamber, the combustion chamber is also provided with a gas channel which is communicated with the gas turbine, and the gas channel is also communicated with the outside through the evaporator; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the gas turbine is connected with the compressor and transmits power to form a combined cycle power device; wherein, or the expander is connected with the booster pump and transmits power.
5. The combined cycle power plant mainly comprises a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber, an expansion speed increaser and a dual-energy booster pump; the expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a dual-energy booster pump, and the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser; an air channel is arranged outside and communicated with the compressor, the compressor is also provided with an air channel which is communicated with the combustion chamber, a fuel channel is also arranged outside and communicated with the combustion chamber, the combustion chamber is also provided with a gas channel which is communicated with the gas turbine, and the gas channel is also communicated with the outside through the evaporator; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the gas turbine is connected with the compressor and transmits power to form a combined cycle power device; wherein, or the expansion speed increaser is connected with the double-energy booster pump and transmits power.
6. The combined cycle power plant mainly comprises a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber, an expansion speed increaser, a heat regenerator and a dual-energy booster pump; the expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a dual-energy booster pump, and the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser; an air channel is arranged outside and communicated with the compressor, the compressor is also provided with an air channel which is communicated with the combustion chamber through a heat regenerator, a fuel channel is also arranged outside and communicated with the combustion chamber, the combustion chamber is also provided with a gas channel which is communicated with a gas turbine, and the gas turbine is also provided with a gas channel which is communicated with the outside through the heat regenerator and an evaporator; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the gas turbine is connected with the compressor and transmits power to form a combined cycle power device; wherein, or the expansion speed increaser is connected with the double-energy booster pump and transmits power.
7. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, an expansion speed increaser and an internal combustion engine; the expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate liquid pipeline which is communicated with the evaporator through a diffuser pipe, and the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser; the external part of the internal combustion engine is provided with an air channel communicated with the internal combustion engine, the external part of the internal combustion engine is also provided with a fuel channel communicated with the internal combustion engine, the internal combustion engine is also provided with a fuel gas channel communicated with the external part through an evaporator, and the internal combustion engine is also provided with a cooling medium channel communicated with the external part; the condenser is also provided with a cooling medium channel communicated with the outside, and the evaporator or a heat source medium channel is also communicated with the outside to form a combined cycle power device.
8. The combined cycle power device mainly comprises a condenser, an evaporator, an expansion speed increaser, a dual-energy booster pump and an internal combustion engine; the expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a dual-energy booster pump, and the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser; the external part of the internal combustion engine is provided with an air channel communicated with the internal combustion engine, the external part of the internal combustion engine is also provided with a fuel channel communicated with the internal combustion engine, the internal combustion engine is also provided with a fuel gas channel communicated with the external part through an evaporator, and the internal combustion engine is also provided with a cooling medium channel communicated with the external part; the condenser is also provided with a cooling medium channel communicated with the outside, and the evaporator or the heat source medium channel is also communicated with the outside to form a combined cycle power device; wherein, or the expansion speed increaser is connected with the double-energy booster pump and transmits power.
9. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, an expansion speed increaser, an internal combustion engine and a second diffuser pipe; the external part of the evaporator is provided with an air channel communicated with the internal combustion engine, the external part of the evaporator is also provided with a fuel channel communicated with the internal combustion engine, and the internal combustion engine is also provided with a fuel gas channel communicated with the external part of the evaporator; the expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate liquid pipeline which is communicated with the evaporator through a diffuser pipe, and the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser; the condenser is also provided with a condensate pipeline which is communicated with the internal combustion engine through a second diffuser pipe, and then the internal combustion engine is communicated with the expansion speed increaser through a steam channel; the condenser is also provided with a cooling medium channel communicated with the outside, and the evaporator or a heat source medium channel is also communicated with the outside to form a combined cycle power device.
10. The combined cycle power device mainly comprises a condenser, an evaporator, an expansion speed increaser, a dual-energy booster pump, an internal combustion engine and a second dual-energy booster pump; the external part of the evaporator is provided with an air channel communicated with the internal combustion engine, the external part of the evaporator is also provided with a fuel channel communicated with the internal combustion engine, and the internal combustion engine is also provided with a fuel gas channel communicated with the external part of the evaporator; the expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a dual-energy booster pump, and the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser; the condenser is also provided with a condensate pipeline which is communicated with the internal combustion engine through a second dual-energy booster pump, and then the internal combustion engine is communicated with the expansion speed increaser through a steam channel; the condenser is also provided with a cooling medium channel communicated with the outside, and the evaporator or the heat source medium channel is also communicated with the outside to form a combined cycle power device; the expansion speed increaser is connected with the dual-energy booster pump and the second dual-energy booster pump and transmits power.
Description of the drawings:
FIG. 1 is a schematic 1 st thermodynamic system diagram of a combined cycle power plant according to the present invention.
FIG. 2 is a schematic thermodynamic system diagram of the 2 nd principle of a combined cycle power plant provided in accordance with the present invention.
FIG. 3 is a schematic thermodynamic system diagram of the 3 rd principle of a combined cycle power plant provided in accordance with the present invention.
FIG. 4 is a diagram of a 4 th principal thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 5 is a diagram of a 5 th principal thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 6 is a 6 th principal thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 7 is a 7 th principle thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 8 is a diagram of an 8 th principle thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 9 is a diagram of a 9 th principal thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 10 is a 10 th principal thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
In the figure, 1-expander, 2-nozzle, 3-diffuser pipe, 4-condenser, 5-evaporator, 6-gas turbine, 7-compressor, 8-combustion chamber, 9-expansion speed increaser, 10-heat regenerator, 11-booster pump, 12-dual-energy booster pump, 13-internal combustion engine, 14-second diffuser pipe and 15-second dual-energy booster pump.
In order to clearly understand the spirit and scope of the present invention, the following description is given:
(1) the expansion speed increaser-a device which can realize the double functions of pressure reduction work and pressure reduction speed increaser under a certain pressure reduction is a combination of the expansion machine and a spray pipe, or a combination of the spray pipe and a turbine, or other devices with the same function.
(2) The double-energy booster pump, a device for increasing the pressure of liquid by using external mechanical energy and the kinetic energy of fluid, is a combination of the booster pump and a diffuser pipe, or other devices with the same function.
The specific implementation mode is as follows:
it is to be noted that, in the description of the structure and the flow, the repetition is not necessary; obvious flow is not described. The invention is described in detail below with reference to the figures and examples.
The combined cycle power plant shown in fig. 1 is implemented as follows:
(1) structurally, the device mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor and a combustion chamber; the expansion machine 1 is provided with a steam channel which is communicated with a condenser 4 through a spray pipe 2, the condenser 4 is also provided with a condensate liquid pipeline which is communicated with an evaporator 5 through a diffuser pipe 3, and the evaporator 5 is also provided with a steam channel which is communicated with the expansion machine 1; an air channel is arranged outside and communicated with the compressor 7, the compressor 7 is also provided with an air channel which is communicated with the combustion chamber 8, a fuel channel is also arranged outside and communicated with the combustion chamber 8, the combustion chamber 8 is also provided with a gas channel which is communicated with the gas turbine 6, and the gas turbine 6 is also provided with a gas channel which is communicated with the outside through the evaporator 5; the condenser 4 is also communicated with the outside through a cooling medium channel, and the gas turbine 6 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to be vaporized after absorbing the heat load provided by the fuel gas, the saturated or superheated steam released by the evaporator 5 flows through the expander 1 to reduce the pressure and do work, flows through the spray pipe 2 to reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the external air enters the combustion chamber 8 after being boosted and heated by the compressor 7, the external fuel enters the combustion chamber 8 to be mixed with the air and burnt into high-temperature fuel gas, the fuel gas flows through the gas turbine 6 to be reduced in pressure and do work, flows through the evaporator 5 to release heat, and then is discharged outwards; the fuel provides driving heat load through the combustion chamber 8, the cooling medium takes away low-temperature heat load through the condenser 4, the discharged gas takes away the low-temperature heat load, the work output by the gas turbine 6 is provided for the compressor 7 as power and is provided outwards at the same time, and the work output by the expander 1 is provided outwards, so that a combined cycle power device is formed.
The combined cycle power plant shown in fig. 2 is implemented as follows:
(1) structurally, the device mainly comprises a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber and an expansion speed increaser; the expansion speed increaser 9 is provided with a steam channel communicated with the condenser 4, the condenser 4 is also provided with a condensate liquid pipeline communicated with the evaporator 5 through the diffuser pipe 3, and the evaporator 5 is also provided with a steam channel communicated with the expansion speed increaser 9; an air channel is arranged outside and communicated with the compressor 7, the compressor 7 is also provided with an air channel which is communicated with the combustion chamber 8, a fuel channel is also arranged outside and communicated with the combustion chamber 8, the combustion chamber 8 is also provided with a gas channel which is communicated with the gas turbine 6, and the gas turbine 6 is also provided with a gas channel which is communicated with the outside through the evaporator 5; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the gas turbine 6 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the fuel gas and the heat source medium and then is vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the external air enters the combustion chamber 8 after being boosted and heated by the compressor 7, the external fuel enters the combustion chamber 8 to be mixed with the air and burnt into high-temperature fuel gas, the fuel gas flows through the gas turbine 6 to be reduced in pressure and do work, flows through the evaporator 5 to release heat, and then is discharged outwards; the fuel provides driving heat load through a combustion chamber 8, the heat source medium provides driving heat load through an evaporator 5, the cooling medium takes away low-temperature heat load through a condenser 4, the discharged gas takes away the low-temperature heat load, the work output by a gas turbine 6 is provided for a compressor 7 as power and is provided outwards at the same time, and the work output by an expansion speed increaser 9 is provided outwards to form a combined cycle power device.
The combined cycle power plant shown in fig. 3 is implemented as follows:
(1) structurally, the device mainly comprises a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber, an expansion speed increaser and a heat regenerator; the expansion speed increaser 9 is provided with a steam channel communicated with the condenser 4, the condenser 4 is also provided with a condensate liquid pipeline communicated with the evaporator 5 through the diffuser pipe 3, and the evaporator 5 is also provided with a steam channel communicated with the expansion speed increaser 9; an air channel is arranged outside and communicated with a compressor 7, the compressor 7 is also provided with an air channel which is communicated with a combustion chamber 8 through a heat regenerator 10, a fuel channel is also arranged outside and communicated with the combustion chamber 8, the combustion chamber 8 is also provided with a gas channel which is communicated with a gas turbine 6, and the gas turbine 6 is also provided with a gas channel which is communicated with the outside through the heat regenerator 10 and an evaporator 5; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the gas turbine 6 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the fuel gas and the heat source medium and then is vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the external air flows through the compressor 7 to increase the pressure and the temperature, flows through the heat regenerator 10 to absorb heat and then enters the combustion chamber 8, the external fuel enters the combustion chamber 8 to be mixed with the air and combusted into high-temperature fuel gas, the fuel gas flows through the gas turbine 6 to reduce the pressure and do work, flows through the heat regenerator 10 and the evaporator 5 to gradually release heat, and then is discharged outwards; the fuel provides driving heat load through a combustion chamber 8, the heat source medium provides driving heat load through an evaporator 5, the cooling medium takes away low-temperature heat load through a condenser 4, the discharged gas takes away the low-temperature heat load, the work output by a gas turbine 6 is provided for a compressor 7 as power and is provided outwards at the same time, and the work output by an expansion speed increaser 9 is provided outwards to form a combined cycle power device.
The combined cycle power plant shown in fig. 4 is implemented as follows:
(1) structurally, the device mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber and a booster pump; the expansion machine 1 is provided with a steam channel which is communicated with a condenser 4 through a spray pipe 2, the condenser 4 is also provided with a condensate pipeline which is communicated with an evaporator 5 through a diffuser pipe 3 and a booster pump 11, and the evaporator 5 is also provided with a steam channel which is communicated with the expansion machine 1; an air channel is arranged outside and communicated with the compressor 7, the compressor 7 is also provided with an air channel which is communicated with the combustion chamber 8, a fuel channel is also arranged outside and communicated with the combustion chamber 8, the combustion chamber 8 is also provided with a gas channel which is communicated with the gas turbine 6, and the gas turbine 6 is also provided with a gas channel which is communicated with the outside through the evaporator 5; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the gas turbine 6 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, flows through the booster pump 11 to increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the fuel gas and the heat source medium to be vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expander 1 to reduce the pressure and do work, flows through the spray pipe 2 to reduce the pressure and increase the speed, and then enters the condenser 4 to release heat and condense; the external air enters the combustion chamber 8 after being boosted and heated by the compressor 7, the external fuel enters the combustion chamber 8 to be mixed with the air and burnt into high-temperature fuel gas, the fuel gas flows through the gas turbine 6 to be reduced in pressure and do work, flows through the evaporator 5 to release heat, and then is discharged outwards; the fuel provides driving heat load through a combustion chamber 8, the heat source medium provides driving heat load through an evaporator 5, the cooling medium takes low-temperature heat load through a condenser 4, the discharged gas takes low-temperature heat load, the work output by a gas turbine 6 is provided for a compressor 7 as power and is provided for the outside at the same time, and the work output by an expander 1 is provided for the outside or is provided for a booster pump 11 at the same time, so that the combined cycle power device is formed.
The combined cycle power plant shown in fig. 5 is implemented as follows:
(1) structurally, the device mainly comprises a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber, an expansion speed increaser and a dual-energy booster pump; the expansion speed increaser 9 is provided with a steam channel which is communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline which is communicated with the evaporator 5 through a dual-energy booster pump 12, and the evaporator 5 is also provided with a steam channel which is communicated with the expansion speed increaser 9; an air channel is arranged outside and communicated with the compressor 7, the compressor 7 is also provided with an air channel which is communicated with the combustion chamber 8, a fuel channel is also arranged outside and communicated with the combustion chamber 8, the combustion chamber 8 is also provided with a gas channel which is communicated with the gas turbine 6, and the gas turbine 6 is also provided with a gas channel which is communicated with the outside through the evaporator 5; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the gas turbine 6 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 is boosted and decelerated through the dual-energy booster pump 12, then enters the evaporator 5, is vaporized after absorbing the heat load provided by the fuel gas and the heat source medium, the saturated or superheated steam released by the evaporator 5 is decompressed and does work and is decompressed and accelerated through the expansion speed increaser 9, and then enters the condenser 4 to release heat and is condensed; the external air enters the combustion chamber 8 after being boosted and heated by the compressor 7, the external fuel enters the combustion chamber 8 to be mixed with the air and burnt into high-temperature fuel gas, the fuel gas flows through the gas turbine 6 to be reduced in pressure and do work, flows through the evaporator 5 to release heat, and then is discharged outwards; the fuel provides driving heat load through a combustion chamber 8, the heat source medium provides driving heat load through an evaporator 5, the cooling medium takes low-temperature heat load through a condenser 4, the discharged gas takes low-temperature heat load, the work output by a gas turbine 6 is provided for a compressor 7 as power and is provided for the outside at the same time, and the work output by an expansion speed increaser 9 is provided for the outside or is provided for a dual-energy booster pump 12 at the same time, so that the combined cycle power device is formed.
The combined cycle power plant shown in fig. 6 is implemented as follows:
(1) structurally, the device mainly comprises a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber, an expansion speed increaser, a heat regenerator and a dual-energy booster pump; the expansion speed increaser 9 is provided with a steam channel which is communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline which is communicated with the evaporator 5 through a dual-energy booster pump 12, and the evaporator 5 is also provided with a steam channel which is communicated with the expansion speed increaser 9; an air channel is arranged outside and communicated with a compressor 7, the compressor 7 is also provided with an air channel which is communicated with a combustion chamber 8 through a heat regenerator 10, a fuel channel is also arranged outside and communicated with the combustion chamber 8, the combustion chamber 8 is also provided with a gas channel which is communicated with a gas turbine 6, and the gas turbine 6 is also provided with a gas channel which is communicated with the outside through the heat regenerator 10 and an evaporator 5; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the gas turbine 6 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 is boosted and decelerated through the dual-energy booster pump 12, then enters the evaporator 5, is vaporized after absorbing the heat load provided by the fuel gas and the heat source medium, the saturated or superheated steam released by the evaporator 5 is decompressed and does work and is decompressed and accelerated through the expansion speed increaser 9, and then enters the condenser 4 to release heat and is condensed; the external air flows through the compressor 7 to increase the pressure and the temperature, flows through the heat regenerator 10 to absorb heat and then enters the combustion chamber 8, the external fuel enters the combustion chamber 8 to be mixed with the air and combusted into high-temperature fuel gas, the fuel gas flows through the gas turbine 6 to reduce the pressure and do work, flows through the heat regenerator 10 and the evaporator 5 to gradually release heat, and then is discharged outwards; the fuel provides driving heat load through a combustion chamber 8, the heat source medium provides driving heat load through an evaporator 5, the cooling medium takes low-temperature heat load through a condenser 4, the discharged gas takes low-temperature heat load, the work output by a gas turbine 6 is provided for a compressor 7 as power and is provided for the outside at the same time, and the work output by an expansion speed increaser 9 is provided for the outside or is provided for a dual-energy booster pump 12 at the same time, so that the combined cycle power device is formed.
The combined cycle power plant shown in fig. 7 is implemented as follows:
(1) structurally, the expansion and speed increasing device mainly comprises a diffuser pipe, a condenser, an evaporator, an expansion and speed increasing machine and an internal combustion engine; the expansion speed increaser 9 is provided with a steam channel communicated with the condenser 4, the condenser 4 is also provided with a condensate liquid pipeline communicated with the evaporator 5 through the diffuser pipe 3, and the evaporator 5 is also provided with a steam channel communicated with the expansion speed increaser 9; an air channel is arranged outside and communicated with the internal combustion engine 13, a fuel channel is also arranged outside and communicated with the internal combustion engine 13, the internal combustion engine 13 is also provided with a fuel gas channel which is communicated with the outside through the evaporator 5, and the internal combustion engine 13 is also provided with a cooling medium channel which is communicated with the outside; the condenser 4 also has a cooling medium passage communicating with the outside, and the evaporator 5 also has a heat source medium passage communicating with the outside.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the fuel gas and the heat source medium and then is vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; external fuel and air enter the internal combustion engine 13, a series of processes including combustion and expansion are completed in a cylinder of the internal combustion engine 13, fuel gas discharged by the internal combustion engine 13 flows through the evaporator 5, releases heat and is discharged outwards, and external cooling medium flows through the internal combustion engine 13, absorbs heat and is discharged outwards or is supplied to the evaporator 5 as heat source medium; the fuel provides driving heat load through combustion, the heat source medium provides driving heat load through the evaporator 5, the cooling medium carries low-temperature heat load away, and work output by the expansion speed increasing machine 9 and the internal combustion engine 13 is provided externally to form a combined cycle power device.
The combined cycle power plant shown in fig. 8 is implemented as follows:
(1) structurally, the system consists of a condenser, an evaporator, an expansion speed increaser, a dual-energy booster pump and an internal combustion engine; the expansion speed increaser 9 is provided with a steam channel which is communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline which is communicated with the evaporator 5 through a dual-energy booster pump 12, and the evaporator 5 is also provided with a steam channel which is communicated with the expansion speed increaser 9; an air channel is arranged outside and communicated with the internal combustion engine 13, a fuel channel is also arranged outside and communicated with the internal combustion engine 13, the internal combustion engine 13 is also provided with a fuel gas channel which is communicated with the outside through the evaporator 5, and the internal combustion engine 13 is also provided with a cooling medium channel which is communicated with the outside; the condenser 4 also has a cooling medium passage communicating with the outside, and the evaporator 5 also has a heat source medium passage communicating with the outside.
(2) In the process, the condensate of the condenser 4 is boosted and decelerated through the dual-energy booster pump 12, then enters the evaporator 5, is vaporized after absorbing the heat load provided by the fuel gas and the heat source medium, the saturated or superheated steam released by the evaporator 5 is decompressed and does work and is decompressed and accelerated through the expansion speed increaser 9, and then enters the condenser 4 to release heat and is condensed; external fuel and air enter the internal combustion engine 13, a series of processes including combustion and expansion are completed in a cylinder of the internal combustion engine 13, fuel gas discharged by the internal combustion engine 13 flows through the evaporator 5, releases heat and is discharged outwards, and external cooling medium flows through the internal combustion engine 13, absorbs heat and is discharged outwards or is supplied to the evaporator 5 as heat source medium; the fuel provides driving heat load through combustion, the heat source medium provides driving heat load through the evaporator 5, the cooling medium carries low-temperature heat load away, and the work output by the expansion speed increaser 9 and the internal combustion engine 13 is provided for the external or the double-energy booster pump 12 at the same time, so that the combined cycle power device is formed.
The combined cycle power plant shown in fig. 9 is implemented as follows:
(1) structurally, the expansion and speed increasing device mainly comprises a diffuser pipe, a condenser, an evaporator, an expansion and speed increasing machine, an internal combustion engine and a second diffuser pipe; an air channel is arranged outside and communicated with the internal combustion engine 13, a fuel channel is also arranged outside and communicated with the internal combustion engine 13, and the internal combustion engine 13 and a fuel gas channel are also communicated with the outside through the evaporator 5; the expansion speed increaser 9 is provided with a steam channel communicated with the condenser 4, the condenser 4 is also provided with a condensate liquid pipeline communicated with the evaporator 5 through the diffuser pipe 3, and the evaporator 5 is also provided with a steam channel communicated with the expansion speed increaser 9; the condenser 4 is also provided with a condensate pipeline which is communicated with the internal combustion engine 13 through a second diffuser pipe 14, and then the internal combustion engine 13 is provided with a steam channel which is communicated with the expansion speed increaser 9; the condenser 4 also has a cooling medium passage communicating with the outside, and the evaporator 5 also has a heat source medium passage communicating with the outside.
(2) In the flow, external fuel and air enter the internal combustion engine 13, a series of processes including combustion and expansion are completed in a cylinder of the internal combustion engine 13, and fuel gas discharged by the internal combustion engine 13 flows through the evaporator 5 and is discharged after releasing heat; the first path of condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the fuel gas and the heat source medium and then is vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the second path of condensate of the condenser 4 flows through a second diffuser pipe 14 to reduce the speed and increase the pressure, flows through an internal combustion engine 13 to absorb heat and vaporize, flows through an expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release heat and condense; the fuel provides driving heat load through combustion, the heat source medium provides driving heat load through the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, and work output by the expansion speed increaser 9 and the internal combustion engine 13 is provided externally to form a combined cycle power device.
The combined cycle power plant shown in fig. 10 is implemented as follows:
(1) structurally, the system mainly comprises a condenser, an evaporator, an expansion speed increaser, a dual-energy booster pump, an internal combustion engine and a second dual-energy booster pump; an air channel is arranged outside and communicated with the internal combustion engine 13, a fuel channel is also arranged outside and communicated with the internal combustion engine 13, and the internal combustion engine 13 and a fuel gas channel are also communicated with the outside through the evaporator 5; the expansion speed increaser 9 is provided with a steam channel which is communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline which is communicated with the evaporator 5 through a dual-energy booster pump 12, and the evaporator 5 is also provided with a steam channel which is communicated with the expansion speed increaser 9; the condenser 4 is also provided with a condensate pipeline which is communicated with the internal combustion engine 13 through a second dual-energy booster pump 15, and then the internal combustion engine 13 is provided with a steam channel which is communicated with the expansion speed increaser 9; the condenser 4 also has a cooling medium passage communicating with the outside, and the evaporator 5 also has a heat source medium passage communicating with the outside.
(2) In the flow, external fuel and air enter the internal combustion engine 13, a series of processes including combustion and expansion are completed in a cylinder of the internal combustion engine 13, and fuel gas discharged by the internal combustion engine 13 flows through the evaporator 5 and is discharged after releasing heat; the first path of condensate of the condenser 4 flows through the dual-energy booster pump 12 to be boosted and decelerated, then enters the evaporator 5 to be vaporized after absorbing the heat load provided by fuel gas and heat source medium, saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to be decompressed, done work, decompressed and accelerated, and then enters the condenser 4 to release heat and be condensed; the second path of condensate of the condenser 4 flows through the second dual-function booster pump 15 to increase the pressure and reduce the speed, flows through the internal combustion engine 13 to absorb heat and vaporize, flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release heat and condense; the fuel provides driving heat load through combustion, the heat source medium provides driving heat load through the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, and the work output by the expansion speed increaser 9 and the internal combustion engine 13 is provided externally or simultaneously to the double-energy booster pump 12 and the second double-energy booster pump 15 to form the combined cycle power device.
The effect that the technology of the invention can realize-the combined cycle power device provided by the invention has the following effects and advantages:
(1) the expansion speed increaser realizes the steam pressure reduction and expansion process, and flexibly and effectively reduces the manufacturing difficulty and cost of the combined cycle power device.
(2) The diffuser pipe realizes the condensate boosting process, and effectively reduces the manufacturing difficulty and cost of the combined cycle power device.
(3) The dual-energy booster pump realizes the boosting process of the condensate, and flexibly and effectively reduces the manufacturing difficulty and cost of the combined cycle power device.
(4) The energy conversion and transmission links are reduced, and the heat power change efficiency of the combined cycle power device is improved.
(5) The simple components replace complex components, and the heat power change efficiency of the combined cycle power device is kept or improved.
(6) The complex parts are replaced by simple parts and simplified, which is beneficial to improving the safety and service life of the dynamic parts.
(7) Along with the relative increase of the flow of the condensate, the expansion speed increaser is matched with a diffuser pipe or a dual-energy booster pump, so that the significance is great.
(8) A plurality of specific technical schemes are provided, and the device can be used for coping with a plurality of different actual conditions and has a wider application range.
(9) The combined cycle power plant technology is expanded, the types of the combined cycle power plants are enriched, the conversion of heat energy into mechanical energy is favorably realized, and the application range of the combined cycle power plants is expanded.

Claims (10)

1. The combined cycle power plant mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor and a combustion chamber; the expansion machine (1) is provided with a steam channel which is communicated with the condenser (4) through the spray pipe (2), the condenser (4) is also provided with a condensate pipeline which is communicated with the evaporator (5) through the diffuser pipe (3), and the evaporator (5) is also provided with a steam channel which is communicated with the expansion machine (1); an air channel is arranged outside and communicated with the compressor (7), the compressor (7) is also provided with an air channel which is communicated with the combustion chamber (8), a fuel channel is also arranged outside and communicated with the combustion chamber (8), the combustion chamber (8) is also provided with a gas channel which is communicated with the gas turbine (6), and the gas turbine (6) is also provided with a gas channel which is communicated with the outside through the evaporator (5); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the gas turbine (6) is connected with the compressor (7) and transmits power to form a combined cycle power device.
2. The combined cycle power plant mainly comprises a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber and an expansion speed increaser; the expansion speed increaser (9) is provided with a steam channel which is communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline which is communicated with the evaporator (5) through the diffuser pipe (3), and the evaporator (5) is also provided with a steam channel which is communicated with the expansion speed increaser (9); an air channel is arranged outside and communicated with the compressor (7), the compressor (7) is also provided with an air channel which is communicated with the combustion chamber (8), a fuel channel is also arranged outside and communicated with the combustion chamber (8), the combustion chamber (8) is also provided with a gas channel which is communicated with the gas turbine (6), and the gas turbine (6) is also provided with a gas channel which is communicated with the outside through the evaporator (5); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the gas turbine (6) is connected with the compressor (7) and transmits power to form a combined cycle power device.
3. The combined cycle power plant mainly comprises a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber, an expansion speed increaser and a heat regenerator; the expansion speed increaser (9) is provided with a steam channel which is communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline which is communicated with the evaporator (5) through the diffuser pipe (3), and the evaporator (5) is also provided with a steam channel which is communicated with the expansion speed increaser (9); an air channel is arranged outside and communicated with a compressor (7), the compressor (7) is also provided with an air channel which is communicated with a combustion chamber (8) through a heat regenerator (10), a fuel channel is also arranged outside and communicated with the combustion chamber (8), the combustion chamber (8) is also provided with a gas channel which is communicated with a gas turbine (6), and the gas turbine (6) is also provided with a gas channel which is communicated with the outside through the heat regenerator (10) and an evaporator (5); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the gas turbine (6) is connected with the compressor (7) and transmits power to form a combined cycle power device.
4. The combined cycle power plant mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber and a booster pump; the expansion machine (1) is provided with a steam channel which is communicated with the condenser (4) through the spray pipe (2), the condenser (4) is also provided with a condensate pipeline which is communicated with the evaporator (5) through the diffuser pipe (3) and the booster pump (11), and the evaporator (5) is also provided with a steam channel which is communicated with the expansion machine (1); an air channel is arranged outside and communicated with the compressor (7), the compressor (7) is also provided with an air channel which is communicated with the combustion chamber (8), a fuel channel is also arranged outside and communicated with the combustion chamber (8), the combustion chamber (8) is also provided with a gas channel which is communicated with the gas turbine (6), and the gas turbine (6) is also provided with a gas channel which is communicated with the outside through the evaporator (5); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the gas turbine (6) is connected with the compressor (7) and transmits power to form a combined cycle power device; wherein, or the expander (1) is connected with the booster pump (11) and transmits power.
5. The combined cycle power plant mainly comprises a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber, an expansion speed increaser and a dual-energy booster pump; the expansion speed increaser (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a dual-energy booster pump (12), and the evaporator (5) is also provided with a steam channel to be communicated with the expansion speed increaser (9); an air channel is arranged outside and communicated with the compressor (7), the compressor (7) is also provided with an air channel which is communicated with the combustion chamber (8), a fuel channel is also arranged outside and communicated with the combustion chamber (8), the combustion chamber (8) is also provided with a gas channel which is communicated with the gas turbine (6), and the gas turbine (6) is also provided with a gas channel which is communicated with the outside through the evaporator (5); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the gas turbine (6) is connected with the compressor (7) and transmits power to form a combined cycle power device; wherein, or the expansion speed increaser (9) is connected with the double-energy booster pump (12) and transmits power.
6. The combined cycle power plant mainly comprises a condenser, an evaporator, a gas turbine, a compressor, a combustion chamber, an expansion speed increaser, a heat regenerator and a dual-energy booster pump; the expansion speed increaser (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a dual-energy booster pump (12), and the evaporator (5) is also provided with a steam channel to be communicated with the expansion speed increaser (9); an air channel is arranged outside and communicated with a compressor (7), the compressor (7) is also provided with an air channel which is communicated with a combustion chamber (8) through a heat regenerator (10), a fuel channel is also arranged outside and communicated with the combustion chamber (8), the combustion chamber (8) is also provided with a gas channel which is communicated with a gas turbine (6), and the gas turbine (6) is also provided with a gas channel which is communicated with the outside through the heat regenerator (10) and an evaporator (5); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the gas turbine (6) is connected with the compressor (7) and transmits power to form a combined cycle power device; wherein, or the expansion speed increaser (9) is connected with the double-energy booster pump (12) and transmits power.
7. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, an expansion speed increaser and an internal combustion engine; the expansion speed increaser (9) is provided with a steam channel which is communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline which is communicated with the evaporator (5) through the diffuser pipe (3), and the evaporator (5) is also provided with a steam channel which is communicated with the expansion speed increaser (9); an air channel is arranged outside and communicated with the internal combustion engine (13), a fuel channel is also arranged outside and communicated with the internal combustion engine (13), the internal combustion engine (13) is also provided with a fuel gas channel which is communicated with the outside through the evaporator (5), and the internal combustion engine (13) is also provided with a cooling medium channel which is communicated with the outside; the condenser (4) is also provided with a cooling medium channel communicated with the outside, and the evaporator (5) or a heat source medium channel is also communicated with the outside to form a combined cycle power device.
8. The combined cycle power device mainly comprises a condenser, an evaporator, an expansion speed increaser, a dual-energy booster pump and an internal combustion engine; the expansion speed increaser (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a dual-energy booster pump (12), and the evaporator (5) is also provided with a steam channel to be communicated with the expansion speed increaser (9); an air channel is arranged outside and communicated with the internal combustion engine (13), a fuel channel is also arranged outside and communicated with the internal combustion engine (13), the internal combustion engine (13) is also provided with a fuel gas channel which is communicated with the outside through the evaporator (5), and the internal combustion engine (13) is also provided with a cooling medium channel which is communicated with the outside; the condenser (4) is also provided with a cooling medium channel communicated with the outside, and the evaporator (5) or a heat source medium channel is also communicated with the outside to form a combined cycle power device; wherein, or the expansion speed increaser (9) is connected with the double-energy booster pump (12) and transmits power.
9. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, an expansion speed increaser, an internal combustion engine and a second diffuser pipe; an air channel is arranged outside and communicated with the internal combustion engine (13), a fuel channel is also arranged outside and communicated with the internal combustion engine (13), and the internal combustion engine (13) is also provided with a fuel gas channel which is communicated with the outside through the evaporator (5); the expansion speed increaser (9) is provided with a steam channel which is communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline which is communicated with the evaporator (5) through the diffuser pipe (3), and the evaporator (5) is also provided with a steam channel which is communicated with the expansion speed increaser (9); the condenser (4) is also provided with a condensate pipeline which is communicated with the internal combustion engine (13) through a second diffuser pipe (14), and then the internal combustion engine (13) is communicated with the expansion speed increaser (9) through a steam channel; the condenser (4) is also provided with a cooling medium channel communicated with the outside, and the evaporator (5) or a heat source medium channel is also communicated with the outside to form a combined cycle power device.
10. The combined cycle power device mainly comprises a condenser, an evaporator, an expansion speed increaser, a dual-energy booster pump, an internal combustion engine and a second dual-energy booster pump; an air channel is arranged outside and communicated with the internal combustion engine (13), a fuel channel is also arranged outside and communicated with the internal combustion engine (13), and the internal combustion engine (13) is also provided with a fuel gas channel which is communicated with the outside through the evaporator (5); the expansion speed increaser (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a dual-energy booster pump (12), and the evaporator (5) is also provided with a steam channel to be communicated with the expansion speed increaser (9); the condenser (4) is also provided with a condensate pipeline which is communicated with the internal combustion engine (13) through a second dual-function booster pump (15), and then the internal combustion engine (13) is communicated with the expansion speed increaser (9) through a steam channel; the condenser (4) is also provided with a cooling medium channel communicated with the outside, and the evaporator (5) or a heat source medium channel is also communicated with the outside to form a combined cycle power device; the expansion speed increaser (9) is connected with the dual-energy booster pump (12) and the second dual-energy booster pump (15) and transmits power.
CN202010101616.3A 2019-03-03 2020-02-09 Combined cycle power plant Pending CN111379605A (en)

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CN201910201945 2019-03-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022148329A1 (en) * 2021-01-11 2022-07-14 李华玉 Dual-fuel gas-steam combined cycle power equipment
WO2022199199A1 (en) * 2021-03-22 2022-09-29 李华玉 Dual-fuel combined cycle power apparatus
WO2022213688A1 (en) * 2021-04-06 2022-10-13 李华玉 Hydrogen fuel-low-grade fuel combined cycle power device
WO2022222548A1 (en) * 2021-04-23 2022-10-27 李华玉 Hydrogen fuel and low-grade fuel combined cycle power device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022148329A1 (en) * 2021-01-11 2022-07-14 李华玉 Dual-fuel gas-steam combined cycle power equipment
WO2022199199A1 (en) * 2021-03-22 2022-09-29 李华玉 Dual-fuel combined cycle power apparatus
WO2022213688A1 (en) * 2021-04-06 2022-10-13 李华玉 Hydrogen fuel-low-grade fuel combined cycle power device
WO2022222548A1 (en) * 2021-04-23 2022-10-27 李华玉 Hydrogen fuel and low-grade fuel combined cycle power device

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