WO2019100359A1 - Système turbogénérateur d'énergie à gaz solaire - Google Patents

Système turbogénérateur d'énergie à gaz solaire Download PDF

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Publication number
WO2019100359A1
WO2019100359A1 PCT/CN2017/113010 CN2017113010W WO2019100359A1 WO 2019100359 A1 WO2019100359 A1 WO 2019100359A1 CN 2017113010 W CN2017113010 W CN 2017113010W WO 2019100359 A1 WO2019100359 A1 WO 2019100359A1
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WO
WIPO (PCT)
Prior art keywords
turbine
solar
gas turbine
compressor
generator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/113010
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English (en)
Chinese (zh)
Inventor
王志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Wisdom Energy Technology Co Ltd
Original Assignee
Guizhou Wisdom Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Wisdom Energy Technology Co Ltd filed Critical Guizhou Wisdom Energy Technology Co Ltd
Priority to PCT/CN2017/113010 priority Critical patent/WO2019100359A1/fr
Publication of WO2019100359A1 publication Critical patent/WO2019100359A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/063—Tower concentrators
    • 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
    • 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
    • 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
    • F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
    • 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

Definitions

  • the present invention relates to a solar gas turbine power generation system, and more particularly to a solar gas turbine power generation system that can improve power generation efficiency.
  • the existing solar gas turbine power generation system generally places the gas turbine horizontally on the ground, which makes the gas turbine and the solar heat absorber far apart, resulting in complicated installation of the pipeline, large heat loss, and low efficiency.
  • the present invention provides a heat loss can be reduced, the gas turbine power generation efficiency of the solar power generation system.
  • the present invention provides a solar gas turbine power generation system including a generator and a gas turbine that drives the generator, the gas turbine including a compressor, the compressor including a compressor outlet for outputting compressed air;
  • the turbine communicates with the compressor outlet through a turbine working fluid passage, thereby receiving a working fluid to be worked on the turbine through the turbine working fluid passage, and the solar gas turbine power generation system is in the a working temperature for the work on the turbine is set to a critical temperature;
  • a solar heat absorber the solar heat absorber is disposed on the turbine working channel for receiving compressed air at the outlet of the compressor, and utilizing absorption Solar energy reflected by the ground-mounted solar reflecting device to heat the compressed air;
  • a combustion chamber disposed on the turbine working channel, when the temperature of the compressed air output by the solar heat absorber Below the critical temperature, the combustion chamber receives the compressed air to increase the temperature of the compressed air in a combustion manner;
  • the compressor, the turbine, the solar heat absorber and the combustion chamber are fixedly mounted together, and are integrally supported at
  • the gas turbine is mounted perpendicular to the ground. ⁇ 0 2019/100359 ⁇ (:17(: ⁇ 2017/113010
  • the compressor, generator, turbine and the combustion chamber vertically arranged from top to bottom, the solar thermal absorber disposed at the outside periphery of the generator.
  • the compressor is connected between the solar absorber and the number of gas flow through the charge.
  • the compressor, turbine and a generator coaxially connected to a generator disposed between the compressor and the turbine.
  • the solar absorber is annular and surrounds the generator is provided, the outer circumferential surface of the solar heat-absorbing surface for the heat sink.
  • the central axis of the solar heat absorber overlaps the main axis of the gas turbine and is perpendicular to the ground.
  • the generator is a first generator
  • the solar gas turbine power generation system further includes a steam turbine, the steam turbine being coupled to the turbine to receive exhaust gas discharged from the turbine, The exhaust gas exchanges heat with the steam cycle of the steam turbine to generate hot steam, which drives the steam turbine to rotate, thereby driving a second generator connected to the steam turbine to generate electricity, the steam turbine and The second generator is installed on the ground.
  • the gas turbine includes a heat exchanger coupled to the turbine to receive exhaust gas discharged from the turbine, the heat exchanger being disposed at the compressor Between the solar heat absorbers, the compressed air exchanges heat with the exhaust gas before entering the solar heat absorber.
  • the present invention also provides a solar gas turbine power generation system including a generator and a gas turbine that drives the generator, the gas turbine including a compressor, the compressor including a compressor outlet for outputting compressed air; a heat absorber, the solar heat absorber receives compressed air at the outlet of the compressor, and absorbs solar energy reflected by the solar reflecting device to heat the compressed air; a combustion chamber, the combustion chamber receives the heated Compressing air and discharging combustion products after participating in combustion; and a turbine that receives the combustion products to be driven to rotate to drive the generator to generate electricity; wherein the gas turbine is mounted perpendicular to the ground.
  • the present invention provides a solar gas turbine power generation system in which a solar heat absorber is organically combined with a gas turbine by vertically placing the gas turbine to bring the distance therebetween. Compressor with the sun ⁇ 0 2019/100359 ⁇ (:17(: ⁇ 2017/113010)
  • the heat absorber can be directly connected through the airflow pipe to reduce energy loss and improve efficiency.
  • the solar heat absorber is designed as a ring, which can absorb the solar heat of the entire ring area.
  • the solar gas turbine power generation system of the invention has the advantages of simple structure, can be made into one whole and is convenient to install.
  • the exhaust gas flow discharged from the turbine outlet still has high energy, and the steam circulation through the heat exchanger and the steam turbine Perform heat exchange to produce hot steam that meets the requirements, drive steam turbines to generate electricity, increase the total power generation and power generation efficiency of the solar gas turbine power generation system.
  • the exhaust gas flow from the turbine outlet can be entered The airflow of the solar heat absorber exchanges heat to improve power generation efficiency.
  • FIG. 1 is a simplified schematic diagram of a solar power generation system of the gas turbine to an embodiment of the present invention.
  • FIG. 2 is a simplified schematic diagram of a solar power generation system of the gas turbine of another embodiment of the present invention.
  • FIG. 3 is a simplified schematic diagram of a solar power generation system of the gas turbine of another embodiment of the present invention.
  • FIG. 1 is a simplified schematic diagram of a solar power generation system of the gas turbine to an embodiment of the present invention.
  • the solar gas turbine power generation system includes a generator 22 and a gas turbine that drives the generator 22 to operate.
  • the generator 22 and the gas turbine are supported at a predetermined height position from the ground, and the predetermined height position can be determined according to the actual installation height of the gas turbine. .
  • the generator 22 and the gas turbine are supported at a predetermined height position from the ground, for example, the generator 22 and the gas turbine are placed perpendicular to the ground or horizontally, or may be placed at an angle to the ground, and the like. , as long as ⁇ 0 2019/100359 ⁇ (:17(: ⁇ 2017/113010) It is sufficient that the generator 22 and the gas turbine are disposed at a predetermined height position from the ground, and the present invention is not limited thereto.
  • the gas turbine is mounted perpendicular to the ground, and the gas turbine includes a compressor 14 , a solar heat absorber 16 , a combustion chamber 18 , a turbine 20, and a generator 22 .
  • a power generation system support column 12 is disposed at a lower portion of the solar gas turbine to support the entire solar gas turbine placed vertically.
  • the compressor 14 is used to compress air to increase the pressure of the gas stream.
  • the compressor 14 can be any suitable type of compressor, such as an axial or centrifugal compressor, which can be one or more stages, and is not limited herein.
  • Compressor 14 has a compressor inlet 24 and a compressor outlet 26 for introducing air and a compressor outlet 26 for discharging compressed air.
  • an air filtration system 28 is provided at the compressor inlet 24 for filtering the air entering the compressor 14.
  • the air filtering system 28 can be configured to perform different filtering modes on the air according to specific working conditions.
  • the air filtering system 28 can be set to filter particles such as dust in the air; When the air is relatively humid, it can also be set to filter the moisture or other harmful components in the air; or it can be set to simultaneously filter the dust and moisture components in the air, and the operator can according to the specific working conditions.
  • the environment is reasonably set and the invention is not limited thereto.
  • the turbine 20 communicates with the compressor outlet 26 through a turbine working fluid passage to receive a working fluid to be worked on the turbine 20 through the turbine working fluid passage.
  • the solar gas turbine power generation system sets a critical temperature for the working fluid that is working on the turbine 20.
  • the compressed air exits the compressor outlet 26 and is introduced into the solar heat absorber 16 for heating. More specifically, a solar heat absorber 16 is disposed on the turbine fluid passage for receiving compressed air at the compressor outlet 26 and heating the compressed air by absorbing solar energy reflected by a solar reflecting device 10 . . It should be understood that the heating air is heated as described herein, and the heating may increase or decrease the temperature of the compressed air, that is, the heating causes the temperature of the compressed air to rise by 0 degrees, for example, when there is no sunlight at night.
  • the solar reflective device 10 is mounted on the ground, such as a solar heliostat 10 .
  • the solar heat absorber 16 is designed to be annular, and the central axis of the annular solar heat absorber 16 overlaps with the main axis of the gas turbine and is perpendicular to the ground. the outer circumferential surface of the solar absorber 16 to heat-absorbing surface, so that a solar absorber entire annular outer peripheral surface 16 of the annular area can absorb solar heat, the gas turbine power generation to improve the single.
  • the compressor 14 and the solar heat absorber 16 are connected by a plurality of air flow sub-pipes 30 to uniformly inject compressed air into the solar heat absorber 16 , thereby improving heating efficiency. Since the gas turbine is mounted perpendicular to the ground, the airflow manifold 30 can simultaneously function to support the compressor 14 . 10 solar heliostats to reflect sunlight to a solar absorber annular surface 16 of the solar absorber 16 to absorb solar heat reflector wherein the compressed air is heated.
  • the solar gas turbine power generation system sets a critical temperature for the working fluid that is working on the turbine 20 , and the critical temperature can be set according to the actual operating parameters of the gas turbine.
  • the critical temperature can be set according to the actual operating parameters of the gas turbine.
  • the solar heat absorber 16 cannot absorb enough solar energy to compress.
  • the air is heated to bring it to a critical temperature, at which point the combustion chamber 18 can be used as a supplemental combustion device.
  • a combustion chamber 18 is disposed on the turbine working fluid passage, and the compressed air passes through the solar heat absorber 16 and is introduced into the combustion chamber 18 .
  • Combustion chamber 18 receives compressed air to combust the compressed air temperature increase manner, the compressed air which participate in the combustion chamber 18 is formed after the high temperature and pressure combustion gas or the combustion products of the working fluid is discharged. This ensures that the gas turbine can generate electricity normally even in the absence of solar energy or at night.
  • the temperature of the compressed air output by the solar heat absorber 16 is higher than or equal to the critical temperature, the compressed air directly enters the turbine 20 through the combustion chamber 18 and does not participate in the combustion.
  • the combustion chamber 18 is composed of a plurality of branches connected between the solar heat absorber 16 and the turbine 20 , which can reduce the volume of the gas turbine, reduce losses, and improve gas turbine efficiency.
  • the compressed air from the solar heat absorber 16 enters the combustion chamber 18 to participate in combustion, ensuring that the gas turbine continues to perform high speed. Running.
  • Turbine 20 is coupled to generator 22 to drive generator 22 to generate electricity.
  • the compressor 14, the turbine 20 and the generator 22 are coaxially connected, and the generator 22 is provided.
  • ⁇ 0 2019/100359 ⁇ (:17(: ⁇ 2017/113010) is placed between the compressor 14 and the turbine 20, so the rotation of the turbine 20 can simultaneously drive the compressor 14 and the generator 22 to generate electricity externally.
  • generator 22 is an example of a system load. In other embodiments, the system load may also be other mechanisms that need to be driven.
  • the gas turbine is placed perpendicular to the ground.
  • the air filtration system 28 , the compressor 14 , the generator 22 , the combustion chamber 18, and the turbine 20 are arranged in a vertical direction from top to bottom, and the solar heat absorber 16 is disposed in the generator 22 . Circumferential lateral.
  • the solar heat absorber 16 is designed to be annular and disposed around the generator 22 .
  • the air filter system 28 , the compressor 14 , the generator 22 , the solar heat absorber 16 , the combustion chamber 18 and the turbine 20 are integrally installed.
  • the solar gas turbine power generation system includes a first generator 222, a gas turbine that drives the first generator 222, and a steam turbine 232.
  • the first generator 222 and the gas turbine are supported at a predetermined height position from the ground. The height position can be determined based on the actual installation height of the gas turbine. It should be understood that the first generator 222 and the gas turbine are supported at a predetermined height position from the ground. For example, the first generator 222 and the gas turbine are placed perpendicular to the ground or horizontally, or may be placed at an angle to the ground. Other arrangements, as long as the first generator 222 and the gas turbine are disposed at a predetermined height position from the ground, are not limited by the present invention.
  • the gas turbine is mounted perpendicular to the ground.
  • a second generator 234 is coupled to the steam turbine 232, and the steam turbine 232 and the second generator 234 are mounted on the ground.
  • the gas turbine includes a compressor 214, a solar heat absorber 216, a combustion chamber 218, a turbine 220, and a first generator 222.
  • a power generation system support column 212 is disposed in the lower portion of the gas turbine to support the entire gas turbine that is placed vertically.
  • the compressor 214 is used to compress air to increase the pressure of the gas stream.
  • Compressor 214 can be any suitable type of compressor, such as an axial or centrifugal compressor, which can be one or more stages, and is not limited herein.
  • Compressor 214 has a compressor inlet 224 and a compressor outlet 226, and a compressor inlet 224 is used to introduce air. ⁇ 0 2019/100359 ⁇ (:17(: ⁇ 2017/113010
  • the compressor outlet 226 is for discharging compressed air.
  • an air filtration system 228 is provided at the compressor inlet 224 for filtering the air entering the compressor 214 .
  • the air filtering system 228 can be configured to perform different filtering modes on the air according to specific working conditions.
  • the air filtering system 228 can be configured to filter particles such as dust in the air; When the air is relatively humid, it can also be set to filter the moisture or other harmful components in the air; or it can be set to simultaneously filter the dust and moisture components in the air, and the operator can according to the specific working conditions.
  • the environment is reasonably set and the invention is not limited thereto.
  • the turbine 220 communicates with the compressor outlet 226 through a turbine working fluid passage to receive a working fluid to be worked on the turbine 220 through the turbine working fluid passage.
  • the solar gas turbine power generation system sets a critical temperature for the working fluid that is working on the turbine 220 .
  • the compressed air exits the compressor outlet 226 and is introduced into the solar heat sink 216 for heating. More specifically, a solar heat absorber 216 is disposed on the turbine fluid passage for receiving compressed air at the compressor outlet 226 and heating the compressed air by absorbing solar energy reflected by a solar reflecting device 210 . . It should be understood that the heating air is heated as described herein, and the heating may increase or decrease the temperature of the compressed air, that is, the heating causes the temperature of the compressed air to rise by 0 degrees, for example, when there is no sunlight at night.
  • the solar reflector 210 is mounted on the ground, such as a solar heliostat 210 .
  • the solar heat sink 216 is designed to be annular, with the central axis of the annular solar heat sink 216 overlapping the main axis of the gas turbine and perpendicular to the ground.
  • the outer peripheral surface of the solar heat absorber 216 is a heat absorbing surface, so that the annular area of the entire outer peripheral surface of the annular solar heat absorber 216 can absorb solar heat and increase the power generation of the gas turbine.
  • the compressor 214 and the solar heat absorber 216 are connected by a plurality of air flow branches 230 to uniformly inject compressed air into the solar heat absorber 216 to improve the heating efficiency. Since the gas turbine is mounted perpendicular to the ground, the airflow manifold 230 can simultaneously function to support the compressor 214 . 210 solar heliostats to reflect sunlight to a solar absorber annular surface 216, 216 absorb the solar absorber of a solar heat reflector wherein the compressed air is heated. ⁇ 0 2019/100359 ⁇ (:17(: ⁇ 2017/113010
  • the solar gas turbine power generation system sets a critical temperature for the working fluid that is working on the turbine 220 , which can be set according to the actual operating parameters of the gas turbine.
  • the critical temperature for example, when the solar energy is insufficient or nighttime, the solar heat absorber 216 cannot absorb enough solar energy to compress.
  • the air is heated to bring it to a critical temperature, at which point the combustion chamber 218 can be used as a supplemental combustion device.
  • a combustion chamber 218 is disposed on the turbine working fluid passage, and the compressed air passes through the solar heat absorber 216 and then enters the combustion chamber 218 .
  • the combustion chamber 218 receives compressed air to increase the temperature of the compressed air in a combustion manner, and the compressed air participates in combustion in the combustion chamber 218 to form high temperature and high pressure combustion products or gas working substances and is discharged. This ensures that the gas turbine can generate electricity normally even in the absence of solar energy or at night.
  • the temperature of the compressed air output by the solar heat absorber 216 is higher than or equal to the critical temperature, the compressed air directly enters the turbine 220 through the combustion chamber 218 to work without participating in the combustion.
  • the combustion chamber 218 is composed of a plurality of branches connected between the solar heat absorber 216 and the turbine 220 , which can reduce the volume of the gas turbine, reduce losses, and improve gas turbine efficiency.
  • the compressed air from the solar heat absorber 216 enters the combustion chamber 218 to participate in combustion, ensuring that the gas turbine continues to perform high speed. Running.
  • Turbine 220 is coupled to first generator 222 to drive first generator 222 to generate electricity.
  • the compressor 214, the turbine 220 and the first generator 222 are coaxially connected, and the first generator 222 is disposed between the compressor 214 and the turbine 220, so that the rotation of the turbine 220 can simultaneously drive the compressor 214.
  • the work and first generator 222 generate electricity externally.
  • the first generator 222 is exemplified as a system load. In other embodiments, the system load may also be other mechanisms that need to be driven.
  • the exhaust gas discharged from the turbine 220 contains a large amount of residual heat and has high energy and can be utilized.
  • a steam turbine 232 is connected to the turbine 220.
  • the steam turbine 232 receives the exhaust gas with higher energy discharged from the turbine 220, and the exhaust gas exchanges heat with the steam cycle of the steam turbine 232 through the heat exchanger to generate heat.
  • the hot steam that meets the requirements drives the steam turbine 232 to operate.
  • the second generator 234 is drivingly coupled to the steam turbine 232 such that rotation of the steam turbine 232 can drive the second generator 234 to generate electricity.
  • the second generator 234 is merely an example of a steam turbine 232 load, in other embodiments, the steam turbine 232
  • the load can also be other mechanisms that need to be driven.
  • the gas turbine is placed perpendicular to the ground.
  • the air filtration system 228 , the compressor 214 , the first generator 222 , the combustion chamber 218, and the turbine 220 are arranged in a vertical direction from top to bottom, and the solar heat absorber 216 is disposed first.
  • the circumferential direction of the generator 222 is outward.
  • the solar heat absorber 216 is designed to be annular and disposed around the first generator 222 .
  • the steam turbine 232 and the second generator 234 are disposed on the ground.
  • the air filter system 228 , the compressor 21 4 , the first generator 222 , the solar heat absorber 216 , the combustion chamber 218, and the turbine 220 are integrally mounted for the entire machine.
  • FIG. 3 is a simplified schematic diagram of a solar power generation system of the gas turbine of another embodiment of the present invention.
  • the solar gas turbine power generation system includes a generator 322 and a gas turbine that drives the generator 322 to operate.
  • the generator 322 and the gas turbine are supported at a predetermined height position from the ground, and the predetermined height position can be determined according to the actual installation height of the gas turbine. .
  • the generator 322 and the gas turbine are supported at a predetermined height position from the ground, for example, the generator 322 and the gas turbine are placed perpendicular to the ground or horizontally, or may be placed at an angle to the ground, and the like.
  • the present invention is not limited thereto.
  • the gas turbine is mounted perpendicular to the ground, and the gas turbine includes a compressor 314 , a solar heat absorber 316 , a combustion chamber 318 , a turbine 320 , a generator 322, and a heat exchanger 332 .
  • a power generation system support column 312 is disposed at a lower portion of the gas turbine to support the entire gas turbine placed vertically.
  • the compressor 314 is used to compress air to increase the pressure of the gas stream.
  • Compressor 314 can be any suitable type of compressor, such as an axial or centrifugal compressor, which can be one or more stages, and is not limited herein.
  • Compressor 314 has a compressor inlet 324 and a compressor outlet 326 , a compressor inlet 324 for introducing air, and a compressor outlet 326 for discharging compressed air.
  • an air filtration system 328 is provided at the inlet 324 of the compressor for The air entering the compressor 314 is filtered.
  • the air filter system 328 can be set to perform different filtering modes for the air according to specific working conditions. For example, when the amount of particulate matter such as dust in the air is large, the air filtering system 328 can be set to a pair.
  • Filtration of dust and other particles in the air when the air is relatively humid, it can also be set to filter moisture or other harmful components in the air; or it can be set to simultaneously filter components such as dust and moisture in the air.
  • the operator can make reasonable settings according to the specific working environment, and the present invention does not limit this.
  • the turbine 320 communicates with the compressor outlet 326 through a turbine working fluid passage to receive a working fluid to be worked on the turbine 320 through the turbine working fluid passage.
  • the solar gas turbine power generation system sets a critical temperature for the working fluid that is working on the turbine 320 .
  • Compressed air exits the compressor outlet 326 and is introduced into a solar heat sink 316 for heating. More specifically, a solar heat absorber 316 is disposed on the turbine fluid passage for receiving compressed air at the compressor outlet 326 and heating the compressed air by absorbing solar energy reflected by a solar reflecting device 310 . . It should be understood that the heating air is heated as described herein, and the heating may increase or decrease the temperature of the compressed air, that is, the heating causes the temperature of the compressed air to rise by 0 degrees, for example, when there is no sunlight at night.
  • the solar reflective device 310 is mounted on the ground, such as a solar heliostat 310 .
  • the solar heat sink 316 is designed to be annular, with the central axis of the annular solar heat sink 316 overlapping the main axis of the gas turbine and perpendicular to the ground.
  • the outer peripheral surface of the solar heat absorber 316 is a heat absorbing surface, so that the annular area of the entire outer peripheral surface of the annular solar heat absorber 316 can absorb solar heat and increase the power generation of the gas turbine.
  • the compressor 314 and the solar heat absorber 316 are connected by a plurality of air flow branches 330 to uniformly inject compressed air into the solar heat absorber 316 to improve heating efficiency. Since the gas turbine is mounted perpendicular to the ground, the air flow manifold 330 can simultaneously function to support the compressor 314 . 310 solar heliostats to reflect sunlight to a solar absorber annular surface 316, heat sink 316 of the solar absorber of a solar heat reflector wherein the compressed air is heated.
  • the solar gas turbine power generation system sets a critical temperature for the working fluid working on the turbine 320 , which can be set according to the actual operating parameters of the gas turbine.
  • a critical temperature for the working fluid working on the turbine 320 , which can be set according to the actual operating parameters of the gas turbine.
  • the solar heat absorber 316 Unable to absorb enough solar energy to heat the compressed air to reach a critical temperature, at which time the combustion chamber 318 can participate as a supplemental combustion device.
  • the combustion chamber 318 is disposed on the turbine working channel, and the compressed air passes through the solar heat absorber.
  • the 316 exits into the combustion chamber 318.
  • the combustion chamber 318 receives compressed air to increase the temperature of the compressed air in a combustion manner, and the compressed air participates in combustion in the combustion chamber 318 to form high temperature and high pressure combustion products or gas working substances and is discharged. This can ensure that the gas turbine can generate electricity normally under the condition of insufficient solar energy or nighttime.
  • the temperature of the compressed air output by the solar heat absorber 16 is higher than or equal to the critical temperature, the compressed air directly enters through the combustion chamber 18. Ping 20 work, do not participate in the burning.
  • the combustion chamber 18 is composed of a plurality of branches connected between the solar heat absorber 16 and the turbine 20 , which can reduce the volume of the gas turbine, reduce losses, and improve gas turbine efficiency.
  • the compressed air from the solar heat absorber 16 enters the combustion chamber 18 to participate in combustion, ensuring that the gas turbine continues to perform high speed. Running.
  • Turbine 320 is coupled to generator 322 to drive generator 322 to generate electricity.
  • the compressor 314 , the turbine 320 and the generator 322 are coaxially connected, and the generator 322 is disposed between the compressor 314 and the turbine 320. Therefore, the rotation of the turbine 320 can simultaneously drive the compressor 314 and the generator. 322 external power generation.
  • generator 322 is an example of a system load. In other embodiments, the system load may also be other mechanisms that need to be driven.
  • the exhaust gas discharged from the turbine 320 contains a large amount of residual heat and has a high energy, which is a waste if not used.
  • a heat exchanger 332 is connected on the turbine 320, so that the exhaust gas discharged from the turbine 320 enters the heat exchanger 332.
  • the heat exchanger 332 is disposed between the compressor 314 and the solar heat absorber 316 such that the compressed air exiting the compressor outlet 326 exchanges heat with the exhaust gas before entering the solar heat absorber 316 , improving the entry.
  • the temperature of the compressed air before the solar heat sink 316 is
  • the heat in the heat exchanger 332 that heats the compressed air comes from the exhaust gas discharged from the turbine 320 .
  • the fuel input to the combustion chamber 318 can be reduced, thus increasing ⁇ 0 2019/100359 ⁇ (:17(: ⁇ 2017/113010)
  • the thermal efficiency of the gas turbine is injected into the solar heat absorber 316 for secondary heating with solar energy, further increasing the temperature of the compressed air. Then, it is sent to the combustion chamber 318 for combustion, which significantly improves the thermal efficiency of the gas turbine, thereby improving the power generation efficiency of the power generation system.
  • the gas turbine is placed perpendicular to the ground.
  • the air filtration system 328 , the compressor 314 , the generator 322 , the combustion chamber 318, and the turbine 320 are arranged in a vertical direction from top to bottom, and the solar heat absorber 316 is disposed in the generator 322 .
  • Circumferential lateral In this embodiment, the solar heat absorber 316 is designed to be annular and disposed around the generator 322 .
  • Heat exchanger 332 is disposed between compressor 314 and solar heat sink 316 .
  • the air filter system 328 , the compressor 314 , the generator 322 , the heat exchanger 332 , the solar heat absorber 316 , the combustion chamber 318, and the turbine 320 are integrally mounted for the entire machine.
  • the solar heat sink may not be annular, but other shapes.
  • the generator may also be disposed not in the solar heat absorber but outside the solar heat absorber.
  • the position of the generator is not limited and can be placed at the front, middle and rear ends of the gas turbine.
  • the present invention provides a solar power generation system of a gas turbine, the gas turbine by the solar absorber placed vertically such that combination of the gas turbine, to narrow the distance between the two. Connect the compressor and the solar heat absorber directly through the airflow manifold to reduce energy loss and improve efficiency.
  • the solar heat absorber By designing the solar heat absorber as a ring shape, the entire annular area can absorb solar heat and improve the power generation of a single machine.
  • the solar gas turbine power generation system of the invention has a simple structure, can be made into one whole, and is convenient to install.
  • the exhaust gas stream exiting the turbine outlet still has higher energy, and heat exchange is performed between the heat exchanger and the steam cycle of the steam turbine to generate hot steam that meets the requirements, driving the steam turbine to generate electricity, and increasing the total power generation of the solar gas turbine power generation system. And power generation efficiency.
  • the exhaust gas stream at the turbine outlet can be exchanged with the gas stream entering the solar heat absorber to improve power generation efficiency.

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

Abstract

La présente invention concerne un système turbogénérateur d'énergie à gaz solaire, comprenant un générateur (22) et une turbine à gaz pour faire fonctionner le générateur (22). La turbine à gaz est installée perpendiculairement au sol, et la turbine à gaz comprend un compresseur d'air (14), une turbine (20), un absorbeur de chaleur solaire (16) et une chambre de combustion (18), la turbine (20) étant en communication avec une sortie (26) du compresseur d'air au moyen d'un canal de milieu actif de turbine de manière à recevoir, au moyen du canal de milieu actif de turbine, un milieu actif pour faire fonctionner la turbine (20), l'absorbeur de chaleur solaire (16) et la chambre de combustion (18) étant disposés dans le canal de milieu actif de turbine et utilisés pour chauffer une sortie d'air comprimé provenant du compresseur d'air (14), et le compresseur d'air (14), la turbine (20), l'absorbeur de chaleur solaire (16) et la chambre de combustion (18) étant installés à demeure ensemble et supportés dans leur ensemble à une position à une hauteur prédéterminée du sol. Le système turbogénérateur d'énergie de turbine à gaz solaire permet de réduire la perte de chaleur et d'améliorer l'efficacité de génération d'énergie.
PCT/CN2017/113010 2017-11-27 2017-11-27 Système turbogénérateur d'énergie à gaz solaire Ceased WO2019100359A1 (fr)

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PCT/CN2017/113010 WO2019100359A1 (fr) 2017-11-27 2017-11-27 Système turbogénérateur d'énergie à gaz solaire

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Cited By (1)

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CN111490727A (zh) * 2020-04-17 2020-08-04 佛山职业技术学院 一种光伏热回收逐日系统

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CN101655078A (zh) * 2009-08-19 2010-02-24 东南大学 太阳能联合发电装置及方法
WO2011144779A1 (fr) * 2010-05-19 2011-11-24 Villarrubia Ruiz Jonas Tour solaire génératrice d'électricité et eau potable provenant de l'humidité de l'air extérieur
WO2012114367A1 (fr) * 2011-02-21 2012-08-30 株式会社 日立製作所 Système de turbine à gaz utilisant la chaleur solaire
CN103119266A (zh) * 2010-08-06 2013-05-22 阿尔斯通技术有限公司 具有一体化燃气涡轮的太阳塔
CN104653420A (zh) * 2015-02-09 2015-05-27 南京瑞柯徕姆环保科技有限公司 采用闭式布列顿循环的塔式太阳能热发电方法及系统
EP2899399A1 (fr) * 2014-01-28 2015-07-29 Alstom Technology Ltd Centrale solaire
US20170314466A1 (en) * 2016-04-29 2017-11-02 King Fahd University Of Petroleum And Minerals Solar assisted gas turbine desalination and carbon capture system
CN107725128A (zh) * 2017-11-27 2018-02-23 贵州智慧能源科技有限公司 太阳能燃气轮机发电系统
CN207420648U (zh) * 2017-11-27 2018-05-29 贵州智慧能源科技有限公司 太阳能燃气轮机发电系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101655078A (zh) * 2009-08-19 2010-02-24 东南大学 太阳能联合发电装置及方法
WO2011144779A1 (fr) * 2010-05-19 2011-11-24 Villarrubia Ruiz Jonas Tour solaire génératrice d'électricité et eau potable provenant de l'humidité de l'air extérieur
CN103119266A (zh) * 2010-08-06 2013-05-22 阿尔斯通技术有限公司 具有一体化燃气涡轮的太阳塔
WO2012114367A1 (fr) * 2011-02-21 2012-08-30 株式会社 日立製作所 Système de turbine à gaz utilisant la chaleur solaire
EP2899399A1 (fr) * 2014-01-28 2015-07-29 Alstom Technology Ltd Centrale solaire
CN104653420A (zh) * 2015-02-09 2015-05-27 南京瑞柯徕姆环保科技有限公司 采用闭式布列顿循环的塔式太阳能热发电方法及系统
US20170314466A1 (en) * 2016-04-29 2017-11-02 King Fahd University Of Petroleum And Minerals Solar assisted gas turbine desalination and carbon capture system
CN107725128A (zh) * 2017-11-27 2018-02-23 贵州智慧能源科技有限公司 太阳能燃气轮机发电系统
CN207420648U (zh) * 2017-11-27 2018-05-29 贵州智慧能源科技有限公司 太阳能燃气轮机发电系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111490727A (zh) * 2020-04-17 2020-08-04 佛山职业技术学院 一种光伏热回收逐日系统

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