CN113756955B - Gas turbine power generation system and power generation method - Google Patents
Gas turbine power generation system and power generation method Download PDFInfo
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- CN113756955B CN113756955B CN202110973682.4A CN202110973682A CN113756955B CN 113756955 B CN113756955 B CN 113756955B CN 202110973682 A CN202110973682 A CN 202110973682A CN 113756955 B CN113756955 B CN 113756955B
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- 238000010248 power generation Methods 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 20
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 184
- 239000001257 hydrogen Substances 0.000 claims abstract description 182
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 182
- 239000007789 gas Substances 0.000 claims abstract description 101
- 238000004146 energy storage Methods 0.000 claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 claims abstract description 44
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 238000002485 combustion reaction Methods 0.000 claims description 44
- 239000002918 waste heat Substances 0.000 claims description 15
- 239000000446 fuel Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 239000002028 Biomass Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
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- 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
- F02C6/14—Gas-turbine plants having means for storing energy, e.g. for meeting peak loads
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- 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
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
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- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/08—Heating air supply before combustion, e.g. by exhaust gases
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/224—Heating fuel before feeding to the burner
-
- 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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a gas turbine power generation system and a power generation method, wherein the gas turbine power generation system comprises a renewable energy power generation device, a hydrogen production device, a hydrogen energy storage device and a gas turbine, the renewable energy power generation device is used for supplying power to the hydrogen production device so that the hydrogen production device can produce hydrogen and oxygen, the hydrogen energy storage device is connected with the hydrogen production device, the gas turbine is respectively connected with the hydrogen production device and the hydrogen energy storage device, hydrogen produced by the hydrogen production device can enter the hydrogen energy storage device and the gas turbine, and the gas turbine can use air, hydrogen produced by the hydrogen production device and/or hydrogen in the hydrogen energy storage device to generate power. According to the gas turbine power generation system provided by the embodiment of the invention, the hydrogen energy storage device is arranged, clean energy is utilized to ensure that the gas turbine continuously and stably generates power, and the overall power generation efficiency of the gas turbine power generation system is improved.
Description
Technical Field
The invention relates to the technical field of power generation systems, in particular to a gas turbine power generation system and a power generation method.
Background
The gas turbine generally adopts traditional fossil energy as fuel, such as natural gas, gasoline and diesel oil, and develops clean energy, develops low-carbon economy and realizes energy optimal configuration under the background of increasingly prominent problems of energy shortage, environmental protection, climate change and the like, thereby becoming a common choice of countries in the world.
In the related art, a gas turbine using hydrogen as a fuel appears, but the preparation of hydrogen also needs to consume electric energy, and the preparation of hydrogen by using renewable energy sources such as wind energy and solar energy to generate power and then performing an electrolysis method is a clean and environment-friendly hydrogen preparation method, but the renewable energy sources are intermittent, the annual working time of photovoltaic and wind power is 1000-2000 hours, while the annual working time of the gas turbine is 8000 hours when the gas turbine continuously works, and the two can not be completely matched, so that the gas turbine can not generate power continuously and stably. Therefore, how to utilize clean energy to ensure that the gas turbine generates power continuously and stably is a key technical problem to be solved by technical personnel in the field of construction of a novel energy power grid which is reliable, safe, economic, efficient and environment-friendly.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
To this end, embodiments of the present invention provide a gas turbine power generation system that can ensure continuous and stable power generation of a gas turbine using clean energy.
The embodiment of the invention also provides a power generation method.
The gas turbine power generation system comprises a renewable energy power generation device, a hydrogen production device, a hydrogen energy storage device and a gas turbine, wherein the renewable energy power generation device is used for supplying power to the hydrogen production device so that the hydrogen production device can produce hydrogen and oxygen, the hydrogen energy storage device is connected with the hydrogen production device, the gas turbine is respectively connected with the hydrogen production device and the hydrogen energy storage device, hydrogen produced by the hydrogen production device can enter the hydrogen energy storage device and the gas turbine, and the gas turbine can use air, hydrogen produced by the hydrogen production device and/or hydrogen in the hydrogen energy storage device to generate power.
According to the gas turbine power generation system provided by the embodiment of the invention, the hydrogen energy storage device is arranged, clean energy is utilized to ensure that the gas turbine continuously and stably generates power, the overall power generation efficiency of the gas turbine power generation system is improved, and the gas turbine power generation system has important significance in constructing a novel energy power grid which is reliable, safe, economic, efficient and environment-friendly.
In some embodiments, the gas turbine power generation system further comprises a hydrogen compressor, wherein a gas inlet end of the hydrogen compressor is connected with the hydrogen production device, and a gas outlet end of the hydrogen compressor is respectively connected with the gas turbine and the hydrogen energy storage device.
In some embodiments, the gas turbine includes a compressor in communication with the atmosphere, a combustion chamber in communication with the hydrogen compressor, the compressor, and the hydrogen energy storage device, and a turbine in communication with the combustion chamber and the compressor, respectively.
In some embodiments, the gas turbine power generation system further includes a first heat exchanger disposed on the connection line between the hydrogen compressor and the hydrogen energy storage device, and heat exchange is possible between the first heat exchanger and the compressor.
In some embodiments, the gas turbine power generation system further comprises a second heat exchanger disposed on the connection line between the hydrogen energy storage device and the combustion chamber, the second heat exchanger being configured to exchange heat with the turbine.
In some embodiments, the gas turbine power generation system further comprises a waste heat boiler coupled to the gas turbine.
In some embodiments, the renewable energy power plant is one or more of a photovoltaic power plant, a wind power plant, a hydro power plant, a geothermal power plant, and a biomass power plant.
In some embodiments, the hydrogen production apparatus is one or more of an electrolytic water hydrogen production apparatus, a proton exchange membrane, and a high temperature fuel cell.
A power generation method according to another aspect embodiment of the present invention includes:
providing a renewable energy power generation device;
providing a hydrogen production device, and preparing hydrogen by using electric energy generated by the renewable energy power generation device;
providing a hydrogen compressor, and compressing the hydrogen prepared by the hydrogen production device to generate compressed hydrogen;
providing a hydrogen energy storage device, and allowing a part of compressed hydrogen to enter the hydrogen energy storage device for storage;
providing a gas turbine, wherein the gas turbine comprises a gas compressor, a combustion chamber and a turbine, air is compressed by the gas compressor and then enters the combustion chamber for combustion, when the renewable energy power generation device is in a power generation peak, the other part of compressed hydrogen enters the combustion chamber for combustion, the combusted gas applies work by the turbine for power generation, when the renewable energy power generation device is in a power generation valley, the compressed hydrogen stored in the hydrogen energy storage device and the other part of compressed hydrogen jointly enter the combustion chamber for combustion, the combusted gas applies work by the turbine for power generation, and the generated electric energy is sent to a power grid;
and providing a waste heat boiler, and enabling the flue gas generated by the turbine to enter the waste heat boiler to be converted into steam or further generate power.
In some embodiments, the power generation method further comprises:
providing a first heat exchanger, wherein heat released in the process of compressing hydrogen by a hydrogen compressor exchanges heat with the first heat exchanger, and air in the compressor enters the combustion chamber after being heated by the first heat exchanger;
and providing a second heat exchanger, exchanging heat between the heat emitted by the turbine and the second heat exchanger, and heating the hydrogen in the hydrogen energy storage device through the second heat exchanger and then entering the combustion chamber.
Drawings
FIG. 1 is a schematic diagram of a gas turbine power generation system according to an embodiment of the invention.
Reference numerals:
the system comprises a renewable energy power generation device 1, a hydrogen production device 2, a hydrogen compressor 3, a first heat exchanger 4, a hydrogen energy storage device 5, a second heat exchanger 6, atmosphere 7, a gas compressor 8, a combustion chamber 9, a turbine 10, a waste heat boiler 11 and a power grid 12.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A gas turbine power generation system according to an embodiment of the invention is described below with reference to the drawings.
As shown in fig. 1, a gas turbine power generation system according to an embodiment of the present invention includes a renewable energy power generation apparatus 1, a hydrogen production apparatus 2, a hydrogen energy storage apparatus 5, and a gas turbine. The renewable energy power generation device 1 is one or more of a photovoltaic power generation device, a wind power generation device, a hydraulic power generation device, a geothermal power generation device and a biomass power generation device. The hydrogen production device 2 is one or more of an electrolytic water hydrogen production device 2, a proton exchange membrane and a high-temperature fuel cell.
The renewable energy power generation device 1 is used for supplying power to the hydrogen production device 2 so that the hydrogen production device 2 can produce hydrogen and oxygen, the renewable energy power generation device 1 has the characteristics of energy conservation and environmental protection, the oxygen produced by the hydrogen production device 2 can be recycled to improve economic benefits, one part of the hydrogen produced by the hydrogen production device 2 enters the hydrogen energy storage device 5 for storage, and the other part of the hydrogen enters the gas turbine to be used as fuel for power generation.
The gas turbine is respectively connected with the hydrogen production device 2 and the hydrogen energy storage device 5, hydrogen prepared by the hydrogen production device 2 can enter the hydrogen energy storage device 5 and the gas turbine, the gas turbine can use air, hydrogen prepared by the hydrogen production device 2 and/or hydrogen in the hydrogen energy storage device 5 to generate electricity, and the generated electric energy is sent to the power grid 12.
It is understood that the gas turbine has a plurality of fuels for its use, including air in the atmosphere 7, hydrogen produced by the hydrogen production device 2, and hydrogen stored in the hydrogen energy storage device 5, and thus the arrangement is such that when the renewable energy power generation device 1 is in a peak period of power generation, such as when photovoltaic power generation is in summer and wind power generation is in a season, more electric energy is produced by the renewable energy power generation device 1, hydrogen produced by the electric energy can be stored in the hydrogen energy storage device 5, and when the renewable energy power generation device 1 is in a low-ebb period of power generation, the stored hydrogen can be used for power generation.
It should be noted that the ratio of the hydrogen gas introduced into the gas turbine and the hydrogen gas introduced into the hydrogen energy storage device 5 may be adjusted according to the power generation efficiency of the renewable energy power generation device 1.
According to the gas turbine power generation system provided by the embodiment of the invention, the hydrogen energy storage device 5 is arranged, clean energy is utilized to ensure that the gas turbine continuously and stably generates power, the overall power generation efficiency of the gas turbine power generation system is improved, and the gas turbine power generation system has important significance in constructing a novel energy power grid 12 which is reliable, safe, economic, efficient and environment-friendly.
In some embodiments, the gas turbine power generation system further includes a hydrogen compressor 3, an air inlet end of the hydrogen compressor 3 is connected to the hydrogen production device 2, an air outlet end of the hydrogen compressor 3 is respectively connected to the gas turbine and the hydrogen energy storage device 5, and hydrogen produced by the hydrogen production device 2 is compressed and then enters the gas turbine for combustion or enters the hydrogen energy storage device 5 for storage.
The gas turbine comprises a compressor 8, a combustion chamber 9 and a turbine 10, wherein the compressor 8 is communicated with the atmosphere 7 to compress air in the atmosphere 7 and then send the air into the combustion chamber 9 for combustion, the combustion chamber 9 is respectively connected with a hydrogen compressor 3, the compressor 8 and a hydrogen energy storage device 5, the turbine 10 is respectively connected with the combustion chamber 9 and the compressor 8, the turbine 10 utilizes heat energy generated by the combustion chamber 9 to do work to generate electricity, the air compression process is approximate adiabatic compression, the combustion process is approximate isobaric expansion, and the gas expansion process is approximate adiabatic expansion process.
In some embodiments, the gas turbine power generation system further includes a first heat exchanger 4 and a second heat exchanger 6, the first heat exchanger 4 is disposed on a connection line between the hydrogen compressor 3 and the hydrogen energy storage device 5, and heat exchange is possible between the first heat exchanger 4 and the compressor 8.
Therefore, heat energy discharged in the process of compressing hydrogen by the hydrogen compressor 3 can exchange heat with the medium in the first heat exchanger 4, and the exchanged heat can heat air entering the compressor 8, so that the power consumption of the compressor 8 is reduced, the compression efficiency of the compressor 8 is improved, and the energy consumption in the hydrogen compression link can be reduced.
The second heat exchanger 6 is arranged on a connecting pipeline between the hydrogen energy storage device 5 and the combustion chamber 9, heat exchange can be carried out between the second heat exchanger 6 and the turbine 10, and compressed hydrogen in the hydrogen energy storage device 5 can enter the combustion chamber 9 for combustion after expansion and heat absorption.
Therefore, the second heat exchanger 6 can be used as an external cooling medium to cool the turbine 10, a closed cycle is constructed, and the proportion of partial cooling air of the gas turbine 10 is reduced, so that the efficiency of the gas turbine is improved.
In some embodiments, the gas turbine power generation system further includes a waste heat boiler 11, the waste heat boiler 11 is connected to the gas turbine, waste heat of the gas turbine enters the waste heat boiler 11, the waste heat boiler 11 can further convert energy in the flue gas into steam or generate power again, and finally the flue gas at about 80 degrees celsius is discharged from the waste heat boiler 11, so that the gas turbine power generation system realizes cascade utilization of energy.
According to another embodiment of the present invention, a power generation method can be used for generating power by using the gas turbine power generation system in the above embodiment, and the power generation method comprises the following steps:
providing a renewable energy power generation device 1, wherein the renewable energy power generation device 1 is one or more of a photovoltaic power generation device, a wind power generation device, a hydraulic power generation device, a geothermal power generation device and a biomass power generation device;
providing a hydrogen production device 2, and preparing hydrogen by using electric energy generated by the renewable energy power generation device 1, wherein the hydrogen production device 2 is one or more of a water electrolysis hydrogen production device 2, a proton exchange membrane and a high-temperature fuel cell;
providing a hydrogen compressor 3, and compressing the hydrogen prepared by the hydrogen production device 2 to generate compressed hydrogen;
providing a hydrogen energy storage device 5, and allowing a part of compressed hydrogen to enter the hydrogen energy storage device 5 for storage;
providing a gas turbine, wherein the gas turbine comprises a gas compressor 8, a combustion chamber 9 and a turbine 10, air is compressed by the gas compressor 8 and then enters the combustion chamber 9 for combustion, when the renewable energy power generation device 1 is in a power generation peak, the other part of compressed hydrogen enters the combustion chamber 9 for combustion, the combusted gas applies work by the turbine 10 for power generation, when the renewable energy power generation device 1 is in a power generation valley, the stored compressed hydrogen in the hydrogen energy storage device 5 and the other part of compressed hydrogen jointly enter the combustion chamber 9 for combustion, the combusted gas applies work by the turbine 10 for power generation, and the generated electric energy is sent to a power grid 12;
a waste heat boiler 11 is provided, and the flue gas generated by the turbine 10 enters the waste heat boiler 11 to be converted into steam or further generate power.
In some implementations, the power generation method further includes the steps of:
providing a first heat exchanger 4, wherein heat released in the process of compressing hydrogen by a hydrogen compressor 3 exchanges heat with the first heat exchanger 4, and air in a compressor 8 enters a combustion chamber 9 after being heated by the first heat exchanger 4;
and a second heat exchanger 6 is provided, the heat emitted by the turbine 10 exchanges heat with the second heat exchanger 6, and the hydrogen in the hydrogen energy storage device 5 enters the combustion chamber 9 after being heated by the second heat exchanger 6.
According to the power generation method provided by the embodiment of the invention, by exerting the advantage of hydrogen energy storage, the intermittent hydrogen production from new energy sources and the continuous working requirement of the gas turbine are matched, the efficiency of the gas turbine is improved, the power consumption of the compressor 8 is reduced, the cooling air consumption of the turbine 10 is reduced, the energy consumption of the energy storage process is reduced, an energy storage and gas turbine system is formed, and the power generation efficiency is greatly improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. A gas turbine power generation system, comprising:
a renewable energy power generation device;
a hydrogen-producing device for powering the hydrogen-producing device such that the hydrogen-producing device produces hydrogen and oxygen;
the hydrogen energy storage device is connected with the hydrogen production device;
the gas turbine is respectively connected with the hydrogen production device and the hydrogen energy storage device, hydrogen produced by the hydrogen production device can enter the hydrogen energy storage device and the gas turbine, and the gas turbine can generate electricity by using air, the hydrogen produced by the hydrogen production device and/or the hydrogen in the hydrogen energy storage device;
the gas inlet end of the hydrogen compressor is connected with the hydrogen production device, the gas outlet end of the hydrogen compressor is respectively connected with the gas turbine and the hydrogen energy storage device, the gas turbine comprises a gas compressor, a combustion chamber and a turbine, the gas compressor is communicated with the atmosphere, the combustion chamber is respectively connected with the hydrogen compressor, the gas compressor and the hydrogen energy storage device, and the turbine is respectively connected with the combustion chamber and the gas compressor;
the first heat exchanger is arranged on a connecting pipeline between the hydrogen compressor and the hydrogen energy storage device, and heat exchange can be carried out between the first heat exchanger and the compressor.
2. The gas turbine power generation system of claim 1, further comprising a second heat exchanger disposed in the connection line between the hydrogen energy storage device and the combustor, the second heat exchanger being heat exchangeable with the turbine.
3. The gas turbine power generation system of claim 1, further comprising a waste heat boiler coupled to the gas turbine.
4. The gas turbine power generation system of claim 1, wherein the renewable energy power generation device is one or more of a photovoltaic power generation device, a wind power generation device, a hydro power generation device, a geothermal power generation device, and a biomass power generation device.
5. The gas turbine power generation system of claim 1, wherein the hydrogen-producing device is one or more of an electrolyzed water hydrogen-producing device, a proton exchange membrane, and a high temperature fuel cell.
6. A method of generating electricity using the gas turbine power generation system of any one of claims 1 to 5, comprising:
providing the renewable energy power generation device;
providing the hydrogen production device, and preparing hydrogen by using electric energy generated by the renewable energy power generation device;
providing the hydrogen compressor, and compressing the hydrogen prepared by the hydrogen preparation device to generate compressed hydrogen;
providing the hydrogen energy storage device, and allowing a part of compressed hydrogen to enter the hydrogen energy storage device for storage;
providing the gas turbine, compressing air by the air compressor and then feeding the compressed air into the combustion chamber for combustion, when the renewable energy power generation device is in a power generation peak, feeding another part of compressed hydrogen into the combustion chamber for combustion, applying work by the turbine to generate power by the combusted gas, when the renewable energy power generation device is in a power generation valley, feeding the stored compressed hydrogen and another part of compressed hydrogen in the hydrogen energy storage device into the combustion chamber for combustion together, applying work by the turbine to generate power by the combusted gas, and feeding the generated electric energy into a power grid;
providing the first heat exchanger, wherein heat released in the process of compressing hydrogen by the hydrogen compressor exchanges heat with the first heat exchanger, and air in the compressor enters the combustion chamber after being heated by the first heat exchanger;
and providing a waste heat boiler, wherein the flue gas generated by the turbine enters the waste heat boiler to be converted into steam or further generate power.
7. The method of power generation as claimed in claim 6, further comprising:
and providing a second heat exchanger, exchanging heat between the heat emitted by the turbine and the second heat exchanger, and heating the hydrogen in the hydrogen energy storage device through the second heat exchanger and then entering the combustion chamber.
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| GB2263734B (en) * | 1992-01-31 | 1995-11-29 | Declan Nigel Pritchard | Smoothing electrical power output from means for generating electricity from wind |
| JP5460816B1 (en) * | 2012-10-26 | 2014-04-02 | 川崎重工業株式会社 | Photovoltaic gas turbine power generation system with hydrogen generator |
| CN205478104U (en) * | 2016-01-07 | 2016-08-17 | 姜艳波 | Compressed air energy storage and electrolysis hydrogen united operation system |
| CN107528335A (en) * | 2017-09-18 | 2017-12-29 | 赫普科技发展（北京）有限公司 | A kind of distributed hydrogen power generation peak-frequency regulation system |
| CN210889123U (en) * | 2019-08-30 | 2020-06-30 | 华电电力科学研究院有限公司 | Power ecosystem with hydrogen-rich combustion gas turbine power generation as carrier |
| CN212389483U (en) * | 2020-03-11 | 2021-01-22 | 张建城 | Solar energy and wind energy and ammonia oxygen gas complementary circulation thermal power generation device |
| CN113922371B (en) * | 2021-10-13 | 2023-05-26 | 中国石油工程建设有限公司 | Super-long-distance hydrogen-electricity hybrid conveying integrated system based on superconducting technology |
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