CN113294829A - Waste heat energy storage and heat supply system and method for gas turbine - Google Patents

Waste heat energy storage and heat supply system and method for gas turbine Download PDF

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Publication number
CN113294829A
CN113294829A CN202110577236.1A CN202110577236A CN113294829A CN 113294829 A CN113294829 A CN 113294829A CN 202110577236 A CN202110577236 A CN 202110577236A CN 113294829 A CN113294829 A CN 113294829A
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China
Prior art keywords
temperature
inlet
outlet
water
gas turbine
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Application number
CN202110577236.1A
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Chinese (zh)
Inventor
郭环
戴前进
滕道祥
邵环宇
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Xuzhou University of Technology
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Xuzhou University of Technology
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Priority to CN202110577236.1A priority Critical patent/CN113294829A/en
Publication of CN113294829A publication Critical patent/CN113294829A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D1/00—Steam central heating systems
    • 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
    • F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
    • F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/16—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • 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
    • Y02E20/30—Technologies for a more efficient combustion or heat usage

Abstract

A gas turbine waste heat energy storage heating system and method, including gas turbine power generation system, tail gas recovery energy storage system and heating system, part of high-temperature flue gas that the natural gas burns produces enters the gas turbine and does work and produce the energy and turn into the electric energy to store in the storage battery through the generator, realize the conversion from high-temperature flue gas waste heat to electric energy; the other part of the high-temperature flue gas enters a heat exchanger, tap water entering the heat exchanger absorbs heat and evaporates to form high-temperature water vapor, and the high-temperature water vapor enters a storage tank to directly store waste heat in the water vapor; when heating in winter, high-temperature steam enters the mixing chamber through a steam outlet of the storage tank, tap water liquefies and cools the high-temperature steam entering the mixing chamber to a temperature required by heating supply, the high-temperature steam is conveyed to a user side through a heating supply mechanism, warm water heated by the user side is treated by a sewage treatment device and then is pumped into a return water inlet and a heat exchanger of the mixing chamber by a water pump to be recycled as a water source, and the overall utilization efficiency of energy is improved.

Description

Waste heat energy storage and heat supply system and method for gas turbine
Technical Field
The invention relates to a waste heat energy storage and heat supply system and method of a gas turbine, and belongs to the technical field of waste heat utilization.
Background
After the heat of fuel is converted into mechanical energy by a large-scale machine such as a gas turbine, a large amount of high-temperature waste heat smoke is still discharged, so that not only is energy waste caused, but also the high-temperature waste heat smoke is directly discharged into the atmosphere, and the environment is damaged to form a greenhouse effect.
At present, the most widely used tail gas treatment is an organic Rankine cycle system, the system recovers the waste heat of the steam through rapid heating, and a large amount of organic matter steam with low temperature and high boiling point is used as a main heating working medium to convert the heat into electric energy for storage. Because the organic Rankine cycle system transfers the heat of the high-temperature flue gas into the steam through the heat exchanger and then converts the heat into the electric energy by the steam acting, the conversion process is more and the overall energy utilization efficiency is low.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a waste heat energy storage and heat supply system and method for a gas turbine.
In order to achieve the aim, the invention provides a waste heat energy storage and heat supply system of a gas turbine, which comprises a gas turbine power generation system, a tail gas recovery and energy storage system and a heat supply system;
the gas turbine power generation system comprises a gas turbine, a generator and a storage battery, wherein the gas turbine is provided with a gas inlet, an air inlet and a flue gas outlet, a main shaft of the gas turbine is connected with a main shaft of the generator, and an output end of the generator is connected with an input end of the storage battery;
the tail gas recovery energy storage system comprises a heat exchanger, a tail gas processor, a chimney and a storage tank, wherein a first inlet, a first outlet, a second inlet, a second outlet and a third inlet are formed in the heat exchanger;
the tail gas processor comprises a tail gas inlet and a tail gas outlet, the first outlet is connected with the tail gas inlet, and the tail gas outlet is connected with the chimney;
the second inlet is connected with a first tap water source through a first valve, and the second outlet is connected with the inlet of the storage tank; a second temperature sensor and a pressure sensor are arranged on a connecting pipeline between the second outlet and the storage tank;
the heating system comprises a mixing chamber, a heating supply mechanism, a sewage processor, a first water pump and a second water pump, wherein the mixing chamber comprises a steam inlet, a tap water inlet, a hot water outlet and a return water inlet;
the outlet of the heating supply mechanism is connected with a user terminal, warm water heated by the user terminal is connected with the inlet of the sewage treatment device through a pipeline, and the outlet I of the sewage treatment device and the outlet II of the sewage treatment device are respectively connected with the return water inlet of the mixing chamber and the third inlet of the heat exchanger through a first water pump and a second water pump; and a third temperature sensor is arranged on a pipeline between the heating supply mechanism and the user terminal.
Furthermore, the temperature measuring ranges of the first temperature sensor, the second temperature sensor and the third temperature sensor are-30-800 ℃, 30-300 ℃ and-30-150 ℃ respectively; the measuring range of the pressure sensor is 0-1.6 Mpa.
A gas turbine waste heat energy storage heat supply method comprises the following steps:
1) the natural gas enters a combustion chamber of the gas turbine from a gas inlet to be combusted, and a part of high-temperature flue gas generated by combustion enters the gas turbine to do work, so that energy generated by the work is converted into electric energy through a generator and stored in a storage battery;
2) the other part of high-temperature flue gas generated by combustion of the gas turbine enters the heat exchanger through a flue gas outlet and a first inlet of the heat exchanger, and a first temperature sensor measures the temperature of the flue gas on the pipeline section;
meanwhile, a first tap water source enters a second inlet to exchange heat with high-temperature flue gas in a heat exchanger, tap water absorbs heat and evaporates to form high-temperature water vapor, the flue gas enters a tail gas processor through a first outlet, and the flue gas is purified by the tail gas processor and then is discharged through a chimney; high-temperature steam enters the storage tank through the second outlet, the second temperature sensor measures the temperature of the steam on the pipeline section, when the temperature is higher than or lower than a set value, the water flow is adjusted by controlling the opening of the first valve until the set temperature value is reached, the opening of the first valve is stopped being adjusted, and the pressure sensor measures the pressure of the steam on the pipeline section;
3) high-temperature steam enters the mixing chamber through an outlet of the storage tank, meanwhile, the high-temperature steam entering the mixing chamber is liquefied and cooled to the temperature required by heating supply by a second tap water source, the high-temperature steam is conveyed to a user end through a heating supply mechanism, warm water heated by the user end is treated by a sewage processor and then is respectively pumped into a return water inlet of the mixing chamber and a third inlet of the heat exchanger by a first water pump and a second water pump to be recycled as a water source; and the third temperature sensor measures the water temperature of a pipeline section between the heating supply mechanism and a user, and when the temperature is higher than or lower than a set value, the water flow is regulated by controlling the opening of the second valve until the set temperature value is reached, and the opening regulation of the second valve is stopped.
Further, in the step 2), the temperature of the flue gas at the flue gas outlet is 400 ℃; the temperature of the steam at the second outlet of the heat exchanger was 150 ℃ and the pressure was 0.56 MPa.
Further, in the step 3), the temperature of the hot water at the outlet of the heating supply mechanism is 80 ℃.
According to the invention, by arranging the gas turbine power generation system, the tail gas recovery energy storage system and the heat supply system, part of high-temperature flue gas generated by natural gas combustion enters the gas turbine to do work, and the generated energy is converted into electric energy by the generator to be stored in the storage battery, so that the conversion from the waste heat of the high-temperature flue gas to the electric energy is realized; the other part of high-temperature flue gas generated by combustion of the gas turbine enters the heat exchanger, tap water entering the heat exchanger absorbs heat and evaporates to form high-temperature water vapor, the flue gas enters the tail gas processor, the tail gas processor purifies the flue gas and then discharges the purified flue gas through a chimney, and the high-temperature water vapor enters the storage tank, so that the waste heat is directly stored in the water vapor; when heating is needed in winter, high-temperature steam enters the mixing chamber through a steam outlet of the storage tank, meanwhile, tap water liquefies and cools the high-temperature steam entering the mixing chamber to a temperature required by heating supply, the high-temperature steam is conveyed to a user side through a heating supply mechanism, warm water heated by the user side is treated by a sewage processor and then is respectively pumped into a return water inlet and a heat exchanger of the mixing chamber by a water pump to be used as a water source for cyclic utilization, and the overall utilization efficiency of energy is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. the system comprises a gas turbine 101, a gas inlet 102, an air inlet 103, a flue gas outlet 104 and a first temperature sensor;
2. a generator, 3, a storage battery;
4. a heat exchanger 401, a first inlet, 402, a first outlet, 403, a second inlet, 404, a second outlet, 405, a third inlet;
5. a tail gas processor 501, a tail gas inlet 502 and a tail gas outlet;
6. a chimney;
7. a storage tank 701, a storage tank inlet 702, a storage tank outlet;
8. a mixing chamber, 801, a water vapor inlet, 802, a hot water outlet, 803, a tap water inlet, 804 and a return water inlet;
9. a heating supply mechanism 901, a hot water inlet 902 and a heating supply mechanism outlet;
10. a sewage treatment device 1001, a sewage treatment device inlet 1002, a sewage treatment device outlet I, a sewage treatment device outlet 1003 and a sewage treatment device outlet II;
11. the system comprises a first water pump, a second temperature sensor, a third temperature sensor, a first valve, a second valve, a first tap water source, a first valve, a second tap water source, a pressure sensor, a second valve, a first valve, a second valve.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, a gas turbine waste heat energy storage and heat supply system includes a gas turbine power generation system, a tail gas recovery energy storage system and a heat supply system;
the gas turbine power generation system comprises a gas turbine 1, a generator 2 and a storage battery 3, wherein the gas turbine 1 is provided with a gas inlet 101, an air inlet 102 and a flue gas outlet 103, a main shaft of the gas turbine is connected with a main shaft of the generator, and an output end of the generator is connected with an input end of the storage battery;
the tail gas recovery energy storage system comprises a heat exchanger 4, a tail gas processor 5, a chimney 6 and a storage tank 7, wherein the heat exchanger 4 is provided with a first inlet 401, a first outlet 402, a second inlet 403, a second outlet 404 and a third inlet 405, a flue gas outlet 103 is connected with the first inlet 401, and a first temperature sensor 104 is arranged on a connecting pipeline;
the tail gas processor 5 comprises a tail gas inlet 501 and a tail gas outlet 502, the first outlet 402 is connected with the tail gas inlet 501, and the tail gas outlet 502 is connected with the chimney 6;
the second inlet 403 is connected with the first tap water source 17 through the first valve 15, and the second outlet 404 is connected with the storage tank inlet 701; a second temperature sensor 13 and a pressure sensor 18 are provided on a connection line between the second outlet 404 and the storage tank 7;
the heating system comprises a mixing chamber 8, a heating supply mechanism 9, a sewage treatment device 10, a first water pump 11 and a second water pump 12, wherein the mixing chamber 8 comprises a water vapor inlet 801, a hot water outlet 802, a tap water inlet 803 and a return water inlet 804, the water vapor inlet 801 is connected with a storage tank outlet 702, the tap water inlet 803 is connected with a second tap water source 19 through a second valve 16, and the hot water outlet 802 is connected with a hot water inlet 901 of the heating supply mechanism 9;
the outlet 902 of the heating supply mechanism is connected with a user terminal 20, the warm water which is heated by the user terminal 20 is connected with the inlet 1001 of the sewage treatment device through a pipeline, and the outlet 1002 of the sewage treatment device and the outlet 1003 of the sewage treatment device are respectively connected with the backwater inlet 804 of the mixing chamber 8 and the third inlet 405 of the heat exchanger 4 through the first water pump 11 and the second water pump 12; a third temperature sensor 14 is provided in the line between the heating air supply means 9 and the user terminal 20.
Preferably, the temperature measuring ranges of the first temperature sensor 104, the second temperature sensor 13 and the third temperature sensor 14 are-30-800 ℃, 30-300 ℃ and-30-150 ℃ respectively; the measurement range of the pressure sensor 18 is 0-1.6 Mpa.
A gas turbine waste heat energy storage heat supply method comprises the following steps:
1) natural gas enters a combustion chamber of a gas turbine 1 from a gas inlet to be combusted, and a part of high-temperature flue gas generated by combustion enters the gas turbine to do work, so that energy generated by the work is converted into electric energy through a generator 2 and stored in a storage battery 3;
2) another part of high-temperature flue gas generated by combustion of the gas turbine 1 enters the heat exchanger 4 through the flue gas outlet 103 and the first inlet 401 of the heat exchanger 4, and the first temperature sensor 104 measures the temperature of the flue gas on the pipeline section;
meanwhile, the first tap water source 17 enters the second inlet 403 to exchange heat with the high-temperature flue gas in the heat exchanger 4, the tap water absorbs heat and evaporates to form high-temperature water vapor, the flue gas enters the tail gas processor 5 through the first outlet 402, and the flue gas is purified by the tail gas processor 5 and then is discharged through the chimney 6; high-temperature steam enters the storage tank 7 through the second outlet 404, the second temperature sensor 13 measures the temperature of the steam on the pipeline section, when the temperature is higher than or lower than a set value, the water flow is adjusted by controlling the opening of the first valve 15 until the set temperature value is reached, the opening of the first valve 15 is stopped being adjusted, and the pressure sensor 18 measures the pressure of the steam on the pipeline section;
3) high-temperature steam enters the mixing chamber 8 through the outlet 702 of the storage tank, meanwhile, the high-temperature steam entering the mixing chamber 8 is liquefied and cooled to the temperature required by heating supply by the second tap water source 19, the high-temperature steam is conveyed to the user terminal 20 through the heating supply mechanism 9, and warm water heated by the user terminal 20 is respectively pumped into the return water inlet 804 of the mixing chamber and the third inlet 405 of the heat exchanger by the first water pump 11 and the second water pump 12 after being processed by the sewage processor 10 and is recycled as a water source; the third temperature sensor 14 measures the water temperature in the pipeline section between the heating supply mechanism 9 and the user, and when the temperature is higher or lower than a set value, the water flow is adjusted by controlling the opening of the second valve 16 until the set temperature value is reached, and the opening adjustment of the second valve 16 is stopped.
Preferably, in the step 2), the temperature of the flue gas at the flue gas outlet 103 is 400 ℃; the water vapor temperature at the second outlet 404 of the heat exchanger was 150 deg.C and the pressure was 0.56 MPa.
Preferably, in the step 3), the temperature of the hot water at the outlet of the heating supply mechanism 9 is 80 ℃.

Claims (5)

1. The waste heat energy storage and heat supply system of the gas turbine is characterized by comprising a gas turbine power generation system, a tail gas recovery and energy storage system and a heat supply system;
the gas turbine power generation system comprises a gas turbine (1), a generator (2) and a storage battery (3), wherein the gas turbine (1) is provided with a gas inlet (101), an air inlet (102) and a flue gas outlet (103), a main shaft of the gas turbine is connected with a main shaft of the generator, and an output end of the generator is connected with an input end of the storage battery;
the tail gas recovery energy storage system comprises a heat exchanger (4), a tail gas processor (5), a chimney (6) and a storage tank (7), wherein a first inlet (401), a first outlet (402), a second inlet (403), a second outlet (404) and a third inlet (405) are formed in the heat exchanger (4), a flue gas outlet (103) is connected with the first inlet (401), and a first temperature sensor (104) is arranged on a connecting pipeline;
the tail gas processor (5) comprises a tail gas inlet (501) and a tail gas outlet (502), the first outlet (402) is connected with the tail gas inlet (501), and the tail gas outlet (502) is connected with the chimney (6);
the second inlet (403) is connected with a first tap water source (17) through a first valve (15), and the second outlet (404) is connected with the storage tank inlet (701); a second temperature sensor (13) and a pressure sensor (18) are arranged on a connecting pipeline between the second outlet (404) and the storage tank (7);
the heating system comprises a mixing chamber (8), a heating supply mechanism (9), a sewage treatment device (10), a first water pump (11) and a second water pump (12), wherein the mixing chamber (8) comprises a water vapor inlet (801), a tap water inlet (803), a hot water outlet (802) and a return water inlet (804), the water vapor inlet (801) is connected with a storage tank outlet (702), the tap water inlet (803) is connected with a second tap water source (19) through a second valve (16), and the hot water outlet (802) is connected with a hot water inlet (901) of the heating supply mechanism (9);
an outlet (902) of the heating supply mechanism is connected with a user terminal (20), the warm water which is heated by the user terminal (20) is connected with an inlet (1001) of a sewage treatment device through a pipeline, and an outlet I (1002) of the sewage treatment device and an outlet II (1003) of the sewage treatment device are respectively connected with a return water inlet (804) of the mixing chamber and a third inlet (405) of the heat exchanger through a first water pump (11) and a second water pump (12); a third temperature sensor (14) is arranged on a pipeline between the heating supply mechanism (9) and the user terminal (20).
2. The gas turbine waste heat energy-storing and heat-supplying system as claimed in claim 1, wherein the temperature measuring ranges of the first temperature sensor (104), the second temperature sensor (13) and the third temperature sensor (14) are-30-800 ℃, -30-300 ℃ and-30-150 ℃ respectively; the measuring range of the pressure sensor (18) is 0-1.6 Mpa.
3. An energy storage and heat supply method using the gas turbine waste heat energy storage and heat supply system according to any one of claims 1 to 2, characterized by comprising the following steps:
1) natural gas enters a combustion chamber of a gas turbine (1) from a gas inlet (101) for combustion, and a part of high-temperature flue gas generated by combustion enters the gas turbine for acting to generate energy which is converted into electric energy by a generator (2) and stored in a storage battery (3);
2) another part of high-temperature flue gas generated by combustion of the gas turbine (1) enters the heat exchanger (4) through a flue gas outlet (103) and a first inlet (401) of the heat exchanger, and a first temperature sensor (104) measures the temperature of the flue gas on the pipeline section;
meanwhile, a first tap water source (17) enters a second inlet (403) to exchange heat with high-temperature flue gas in a heat exchanger (4), tap water absorbs heat and evaporates to form high-temperature water vapor, the flue gas enters a tail gas processor (5) through a first outlet (402), and the flue gas is purified by the tail gas processor (5) and then is discharged through a chimney (6); high-temperature steam enters the storage tank (7) through the second outlet (404), the second temperature sensor (13) measures the temperature of the steam on the pipeline section, when the temperature is higher than or lower than a set value, the water flow is adjusted by controlling the opening of the first valve (15) until the temperature reaches the set temperature value, the opening of the first valve (15) is stopped being adjusted, and the pressure sensor (18) measures the pressure of the steam on the pipeline section;
3) high-temperature steam enters a mixing chamber (8) through an outlet (702) of a storage tank, meanwhile, a second tap water source (19) liquefies and cools the high-temperature steam entering the mixing chamber (8) to a temperature required by heating supply, the high-temperature steam is conveyed to a user end (20) through a heating supply mechanism (9), warm water heated by the user end (20) is treated by a sewage treatment device (10), and then the warm water is respectively pumped into a return water inlet (804) of the mixing chamber and a third inlet (405) of a heat exchanger by a first water pump (11) and a second water pump (12) and is recycled as a water source; the third temperature sensor (14) measures the water temperature of a pipeline section between the heating supply mechanism (9) and a user, when the temperature is higher than or lower than a set value, the water flow is adjusted by controlling the opening of the second valve (16) until the set temperature value is reached, and the opening of the second valve (16) is stopped being adjusted.
4. The method for storing energy and supplying heat by using the waste heat of the gas turbine as claimed in claim 3, wherein in the step 2), the temperature of the flue gas at the flue gas outlet (103) is 400 ℃; the temperature of the steam at the second outlet (404) of the heat exchanger is 150 ℃, and the pressure is 0.56 Mpa.
5. The method for supplying heat by storing energy through residual heat of a gas turbine as claimed in claim 3 or 4, wherein in the step 3), the temperature of hot water at the outlet of the heating supply mechanism (9) is 80 ℃.
CN202110577236.1A 2021-05-26 2021-05-26 Waste heat energy storage and heat supply system and method for gas turbine Withdrawn CN113294829A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110577236.1A CN113294829A (en) 2021-05-26 2021-05-26 Waste heat energy storage and heat supply system and method for gas turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110577236.1A CN113294829A (en) 2021-05-26 2021-05-26 Waste heat energy storage and heat supply system and method for gas turbine

Publications (1)

Publication Number Publication Date
CN113294829A true CN113294829A (en) 2021-08-24

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ID=77325143

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CN202110577236.1A Withdrawn CN113294829A (en) 2021-05-26 2021-05-26 Waste heat energy storage and heat supply system and method for gas turbine

Country Status (1)

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CN (1) CN113294829A (en)

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Application publication date: 20210824