CN212054836U - Power plant air energy storage flexibility peak shaving system - Google Patents
Power plant air energy storage flexibility peak shaving system Download PDFInfo
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Abstract
The utility model discloses a power plant air energy storage flexibility peak shaving system, this system includes liquid compressed air energy storage system and coal-fired unit power generation system, the operational mode of this system includes energy storage mode and energy release mode, the electric wire netting power consumption load valley, open the energy storage mode when having surplus electric energy, utilize surplus electric energy drive multistage compressor compressed air, the electric wire netting power consumption peak, open the energy release mode when lacking the electric energy supply, utilize coal-fired unit steam extraction heating low temperature air, promote the expander electricity generation to export the electric energy to the outside; the utility model can improve the efficiency of the energy storage system and simultaneously avoid the problems of high energy consumption, short service life and the like when a high pressure ratio compressor is used; the utility model discloses cancelled the heat-retaining system among the traditional liquid compressed air energy storage system, reduced the energy storage system investment, solved the thermal problem of not matching of energy storage process and release energy in-process simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the energy storage peak shaving, concretely relates to power plant air energy storage flexibility peak shaving system is applicable to and uses coal-fired unit as typical various thermal power plants, can improve flexibility, peak shaving ability and the economic income of coal-fired unit, can improve liquid compressed air energy storage system's energy storage efficiency simultaneously.
Background
Renewable energy sources such as wind energy, solar energy and the like in China are rapidly developed year by year, and by 2018, the photovoltaic energy, the wind power installation and the like in China respectively reach 1.72 hundred million kilowatts and 1.84 hundred million kilowatts, the annual total generated energy reaches 5435 hundred million kilowatts, the renewable clean energy sources such as wind and light have the defects of large fluctuation and strong randomness, and the requirements of a power grid on the peak regulation times and the depth of a coal-fired unit are greatly improved in order to fully consume new energy. In addition, the electricity consumption of the whole society rises year by year, the electricity peak valley difference of a power grid is increased day by day, and the peak regulation pressure of a coal-fired unit is increased.
The peak regulation capacity of the power grid and the consumption level of renewable energy can be effectively improved by building large-scale energy storage facilities. The existing stage of pumped storage is the most mature large-scale energy storage technology, the efficiency is high, the site selection condition is strict, and the construction period is long; the electrochemical battery energy storage technology has the advantages of fast response, small volume, short service life, high average cost and high safety risk, and whether the electrochemical battery energy storage technology is suitable for building large-scale energy storage implementation still needs engineering demonstration and verification; the liquid compressed air energy storage technology has long service life and low average cost, does not depend on geographical environment, and is a large-scale energy storage technology with great development potential.
In a liquid compressed air energy storage system, a large amount of compression heat is generated in the process of compressing air, in order to improve the energy storage efficiency of the energy storage system, a heat storage system is built to recover the compression heat and the temperature grade of the compression heat is improved as much as possible, the pressure of air at the outlet of a last-stage compressor in the prior compressed air energy storage technology is about 10MPa, the temperature is basically 200-400 ℃, the trend of further improvement is carried out at present, but the improvement of the working temperature of the compressor can cause the performance deterioration, the power consumption increase and the service life reduction of the compressor, and the compressor capable of bearing the temperature and the pressure at the same stage is also lacked in the current. In addition, for a conventional liquid compressed air energy storage system, the heat obtained by the heat storage system in the energy storage process is larger than the heat required in the energy release process, which causes energy waste.
Disclosure of Invention
For overcoming the not enough of current extensive energy storage peak shaving technique, the utility model provides a power plant air energy storage flexibility peak shaving system, air compressor can work under well low temperature, little pressure ratio operating mode in this system, has reduced the energy loss of compressor, has improved energy storage efficiency, is showing the flexibility and the peak shaving ability that have strengthened coal-fired unit simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A power plant air energy storage flexibility peak shaving system, comprising: the liquid compressed air energy storage system consists of a compressor 1, a cooler 2, a gas-liquid conversion device 3, a liquid air storage tank 4, a heater 5, an expander 6, a newly-added compressor 21 and a newly-added cooler 22; the coal-fired unit power generation system consists of a condenser 11, a condensate pump 12, a primary low-pressure heater 13-1, a secondary low-pressure heater 13-2, a deaerator 14, a water feed pump 15, a high-pressure heater 16, a boiler 17, a high-pressure cylinder 18, an intermediate pressure cylinder 19 and a low-pressure cylinder 20; the control valve group consists of a first valve 7, a second valve 8, a third valve 9 and a fourth valve 10;
an outlet of the compressor 1 is sequentially communicated with a high-temperature side inlet of the cooler 2, a high-temperature side outlet of the cooler 2, a newly-added compressor 21, a newly-added high-temperature side inlet of the cooler 22, a high-temperature side outlet of the newly-added cooler 22, a cooling liquefaction side inlet of the gas-liquid conversion device 3, a cooling liquefaction side outlet of the gas-liquid conversion device 3 and an inlet of the liquid air storage tank 4; an outlet of the liquid air storage tank 4 is sequentially communicated with a cold energy recovery side inlet of the gas-liquid conversion device 3, a cold energy recovery side outlet of the gas-liquid conversion device 3, a low-temperature side inlet of the heater 5, a low-temperature side outlet of the heater 5 and the expander 6; an outlet of the condenser 11 is sequentially communicated with a condensate pump 12, a primary low-pressure heater 13-1, a secondary low-pressure heater 13-2, a deaerator 14, a water feed pump 15, a high-pressure heater 16, a condensate inlet of a boiler 17, a main steam outlet of the boiler 17, a high-pressure cylinder 18, a reheat steam inlet of the boiler 17, a reheat steam outlet of the boiler 17, an intermediate pressure cylinder 19, a low-pressure cylinder 20 and an inlet of the condenser 11; one side of a first valve 7 is communicated with an outlet of a condensate pump 12, the other side of the first valve 7 is communicated with a low-temperature side inlet of a cooler 2 and a low-temperature side inlet of a newly-increased cooler 22, one side of a second valve 8 is communicated with an outlet of a first-stage low-pressure heater 13-1, the other side of the second valve 8 is communicated with a low-temperature side outlet of the cooler 2 and a low-temperature side outlet of the newly-increased cooler 22, one side of a third valve 9 is communicated with an inlet of a low-pressure cylinder 20, the other side of the third valve 9 is communicated with a high-temperature side inlet of a heater 5, one side of a fourth valve 10 is communicated with an outlet of a condenser 11, and the; the system cancels a heat storage system in the liquid compressed air energy storage system, heats low-temperature air by using the extraction steam of the coal-fired unit power generation system, enables the compressor 1 and the newly added compressor 21 to work under the working conditions of medium and low temperature and single-stage low pressure ratio, can effectively utilize the latent heat of steam, and improves the energy storage efficiency of the liquid compressed air energy storage system.
The low pressure cylinder 20 can work at the minimum safe steam flow (the effective work output of the low pressure cylinder is about zero), and the energy storage efficiency of the whole system is the highest.
The compressor 1 and the cooler 2 are both in one stage or multiple stages, the number of the compressor 1 and the number of the cooler 2 are in one-to-one correspondence, and the corresponding coolers are connected in series behind each stage of the compressor.
The newly added compressor 21 and the newly added cooler 22 are one-stage or multi-stage, and are in series connection with the compressor 1 and the cooler 2, the number of the newly added compressor 21 and the number of the newly added cooler 22 are in one-to-one correspondence, and the newly added cooler corresponding to each stage is connected in series after the newly added compressor.
The new compressor 21 represents a new compression stage after the optimization design, and the effect is to reduce the pressure ratio of air in the compression process of each stage, so that the air temperature at the outlet of the compressor 1 and the new compressor 21 is reduced, and the power consumption of the compressor 1 and the new compressor 21 is reduced.
The heaters 5 and the expanders 6 are all in one stage or multiple stages, the number of the heaters 5 corresponds to that of the expanders 6 one by one, and the corresponding expanders are connected behind each stage of the heaters in series.
The third valve 9 is communicated with the outlet of the intermediate pressure cylinder 19 and the inlet of the low pressure cylinder 20, and the steam extraction position can be optimized and screened according to the specific conditions of the generator set.
The system is suitable for a cogeneration unit and a straight condensing unit, can improve the flexibility, the peak regulation capacity and the economic benefit of the units, and simultaneously improves the energy storage efficiency of the liquid compressed air energy storage system.
The first valve 7, the second valve 8, the third valve 9 and the fourth valve 10 are used for controlling the system to work in an energy storage mode or an energy release mode.
The operation method of the power plant air energy storage flexibility peak shaving system comprises an energy storage mode and an energy release mode, and specifically comprises the following steps:
an energy storage mode: the energy storage mode is started when the power consumption of the power grid is low and redundant electric quantity exists, the first valve 7 and the second valve 8 are opened, and the third valve 9 and the fourth valve 10 are closed; on the air side, normal-temperature and normal-pressure air enters the compressor 1 to increase the pressure and temperature, enters the cooler 2 to reduce the temperature, enters the newly-added compressor 21 to increase the pressure and temperature, enters the newly-added cooler 22 to reduce the temperature, the normal-temperature and high-pressure air is cooled and liquefied through the gas-liquid conversion device 3, and low-temperature liquid air enters the liquid air storage tank 4 to be stored; on the water side, after condensed water at the outlet of a condenser 11 is pressurized by a condensed water pump 12, part or all of the condensed water enters a cooler 2 and a newly-added cooler 22 through a first valve 7 to cool high-temperature air, then returns to the inlet of a second-stage low-pressure heater 13-2 through a second valve 8, the rest of the condensed water directly enters a first-stage low-pressure heater 13-1, the water at the outlet of the second-stage low-pressure heater 13-2 sequentially passes through a deaerator 14, a water feed pump 15, a high-pressure heater 16 and a boiler 17 to generate main steam, the main steam enters a high-pressure cylinder 18 to perform expansion work to generate cold reheat steam, the temperature of the main steam is increased by the boiler 17 to generate hot reheat steam, and then the hot reheat steam sequentially enters an intermediate-pressure cylinder 19, a low;
energy release mode: starting an energy release mode when the power consumption of the power grid is in a peak and the power supply is short, closing the first valve 7 and the second valve 8, and opening the third valve 9 and the fourth valve 10; on the air side, low-temperature liquid air flows out of the liquid air storage tank 4, is subjected to cold energy recovery by the gas-liquid conversion device 3 to generate normal-temperature high-pressure air, then enters the heater 5 to increase the temperature, and then enters the expansion machine 6 to expand to work and output electric energy, and the outlet of the expansion machine 6 is normal-pressure normal-temperature air and is discharged into the surrounding environment; on the water side, part or all of steam at the outlet of the intermediate pressure cylinder 19 enters the heater 5 through the third valve 9 to heat air, then enters the condensate pump 12 through the fourth valve 10, the rest of steam directly enters the low pressure cylinder 20 to continue working, the condensate water at the outlet of the condensate pump 12 all enters the first-stage low pressure heater 13-1, and the circulation flow of water in other equipment is the same as the energy storage mode.
Compared with the prior art, the utility model discloses possess following advantage:
the utility model discloses power plant air energy storage flexibility peak shaving system is used for solving the prominent large capacity peak shaving problem of day by day in the electric wire netting, can show the flexibility that improves coal-fired unit to improve the consumption ability of electric wire netting to renewable energy power generation; the operation mode of the system comprises an energy storage mode and an energy release mode, wherein the energy storage mode is started when the power load of a power grid is low and residual electric energy exists, the residual electric energy is used for driving a multi-stage compressor to compress air, the energy release mode is started when the power grid is in a peak and lacks of electric energy supply, and steam is extracted by a coal-fired unit to heat low-temperature air so as to push an expansion machine to generate electricity and output electric energy outwards; the utility model can improve the efficiency of the energy storage system and simultaneously avoid the problems of high energy consumption, short service life and the like when a high pressure ratio compressor is used; the utility model discloses cancelled the heat-retaining system among the traditional liquid compressed air energy storage system, reduced the energy storage system investment, solved the thermal problem of not matching of energy storage process and release energy in-process simultaneously.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
FIG. 2 is a schematic diagram of a conventional liquid compressed air energy storage system.
In the figure:
1-compressor 2-cooler 3-gas-liquid conversion device 4-liquid air storage tank 5-heater 6-expander 7-first valve 8-second valve 9-third valve 10-fourth valve 11-condenser 12-condensate pump 13-1-first-stage low-pressure heater 13-2-second-stage low-pressure heater 14-deaerator 15-feed water pump 16-high-pressure heater 17-boiler 18-high-pressure cylinder 19-medium-pressure cylinder 20-low-pressure cylinder 21-newly-increased compressor 22-newly-increased cooler
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description, wherein the detailed description is provided for the purpose of illustration only and is not intended to be limiting.
As shown in fig. 1, the utility model relates to a power plant air energy storage flexibility system of peaking, include: the liquid compressed air energy storage system consists of a compressor 1, a cooler 2, a gas-liquid conversion device 3, a liquid air storage tank 4, a heater 5, an expander 6, a newly-added compressor 21 and a newly-added cooler 22; the coal-fired unit power generation system consists of a condenser 11, a condensate pump 12, a primary low-pressure heater 13-1, a secondary low-pressure heater 13-2, a deaerator 14, a water feed pump 15, a high-pressure heater 16, a boiler 17, a high-pressure cylinder 18, an intermediate pressure cylinder 19 and a low-pressure cylinder 20; the control valve group consists of a first valve 7, a second valve 8, a third valve 9 and a fourth valve 10;
an outlet of the compressor 1 is sequentially communicated with a high-temperature side inlet of the cooler 2, a high-temperature side outlet of the cooler 2, a newly-added compressor 21, a newly-added high-temperature side inlet of the cooler 22, a high-temperature side outlet of the newly-added cooler 22, a cooling liquefaction side inlet of the gas-liquid conversion device 3, a cooling liquefaction side outlet of the gas-liquid conversion device 3 and an inlet of the liquid air storage tank 4; meanwhile, the outlet of the liquid air storage tank 4 is sequentially communicated with the cold energy recovery side inlet of the gas-liquid conversion device 3, the cold energy recovery side outlet of the gas-liquid conversion device 3, the low-temperature side inlet of the heater 5, the low-temperature side outlet of the heater 5 and the expander 6; an outlet of the condenser 11 is sequentially communicated with a condensate pump 12, a primary low-pressure heater 13-1, a secondary low-pressure heater 13-2, a deaerator 14, a water feed pump 15, a high-pressure heater 16, a condensate inlet of a boiler 17, a main steam outlet of the boiler 17, a high-pressure cylinder 18, a reheat steam inlet of the boiler 17, a reheat steam outlet of the boiler 17, an intermediate pressure cylinder 19, a low-pressure cylinder 20 and an inlet of the condenser 11; one side of a first valve 7 is communicated with an outlet of a condensate pump 12, the other side of the first valve 7 is communicated with a low-temperature side inlet of a cooler 2 and a low-temperature side inlet of a newly-increased cooler 22, one side of a second valve 8 is communicated with an outlet of a first-stage low-pressure heater 13-1, the other side of the second valve 8 is communicated with a low-temperature side outlet of the cooler 2 and a low-temperature side outlet of the newly-increased cooler 22, one side of a third valve 9 is communicated with an inlet of a low-pressure cylinder 20, the other side of the third valve 9 is communicated with a high-temperature side inlet of a heater 5, one side of a fourth valve 10 is communicated with an outlet of a condenser 11, and the. The utility model discloses the system is applicable to combined heat and power units and pure unit of congealing, can improve the flexibility, the peak regulation ability and the economic income of unit, improves liquid compressed air energy storage system's energy storage efficiency simultaneously.
The utility model relates to a power plant air energy storage flexibility peak shaving system can be according to following energy storage mode and the operation of energy release mode.
An energy storage mode: the energy storage mode is started when the power consumption of the power grid is low and redundant electric quantity exists, the first valve 7 and the second valve 8 are opened, and the third valve 9 and the fourth valve 10 are closed; on the air side, normal-temperature and normal-pressure air enters the compressor 1 to increase the pressure and temperature, enters the cooler 2 to reduce the temperature, enters the newly-added compressor 21 to increase the pressure and temperature, enters the newly-added cooler 22 to reduce the temperature, the normal-temperature and high-pressure air is cooled and liquefied through the gas-liquid conversion device 3, and low-temperature liquid air enters the liquid air storage tank 4 to be stored; on the water side, after condensed water at the outlet of a condenser 11 is pressurized by a condensed water pump 12, part or all of the condensed water enters a cooler 2 and a newly-added cooler 22 through a first valve 7 to cool high-temperature air, then returns to the inlet of a second-stage low-pressure heater 13-2 through a second valve 8, the rest of the condensed water directly enters a first-stage low-pressure heater 13-1, the water at the outlet of the second-stage low-pressure heater 13-2 sequentially passes through a deaerator 14, a water feed pump 15, a high-pressure heater 16 and a boiler 17 to generate main steam, the main steam enters a high-pressure cylinder 18 to perform expansion work to generate cold reheat steam, the temperature of the main steam is increased by the boiler 17 to generate hot reheat steam, and then the hot reheat steam sequentially enters an intermediate-pressure cylinder 19, a low.
Energy release mode: starting an energy release mode when the power consumption of the power grid is in a peak and the power supply is short, closing the first valve 7 and the second valve 8, and opening the third valve 9 and the fourth valve 10; on the air side, low-temperature liquid air flows out of the liquid air storage tank 4, is subjected to cold energy recovery by the gas-liquid conversion device 3 to generate normal-temperature high-pressure air, then enters the heater 5 to increase the temperature, and then enters the expansion machine 6 to expand to work and output electric energy, and the outlet of the expansion machine 6 is normal-pressure normal-temperature air and is discharged into the surrounding environment; on the water side, part or all of steam at the outlet of the intermediate pressure cylinder 19 enters the heater 5 through the third valve 9 to heat air, then enters the condensate pump 12 through the fourth valve 10, the rest of steam directly enters the low pressure cylinder 20 to continue working, the condensate water at the outlet of the condensate pump 12 all enters the first-stage low pressure heater 13-1, and the circulation flow of water in other equipment is the same as the energy storage mode.
The compressor 1 and the cooler 2 of the present embodiment represent three-stage "compression-cooling" processes, and the heater 5 and the expander 6 represent three-stage "heating-expansion" processes; when the temperature of air at the inlet of the compressor is 30 ℃ and the pressure ratio is 5.2 in the energy storage process, the temperature of air at the outlet is about 240 ℃, the pressure ratio is increased to continuously increase the temperature of air at the outlet of the compressor, low-temperature heat transfer oil enters the cooler 2 from the cold tank of the heat storage system to re-cool the air to 30 ℃, and the heated heat transfer oil is stored in the hot tank of the heat storage system; in the energy release process, high-temperature heat conduction oil enters the heater 5 from the heat storage system hot tank to reheat air to 206 ℃, the temperature of air at the outlet of the expansion machine is about 60 ℃, a complete energy storage process and an energy release process are completed, and the energy storage efficiency of the system is about 57%; utilize the utility model provides a system and method, newly-increased compression stage 21 and newly-increased cooler 22 represent level four "compression-cooling" process, and every level of compressor pressure ratio reduces to 1.9, and compressor outlet air temperature is about 100 ℃, and energy storage efficiency promotes to about 72% under the unchangeable condition of operating mode parameter among the energy release process to the construction of conduction oil heat-retaining system among the liquid compressed air energy storage system has been reduced.
FIG. 2 is a schematic diagram of a conventional liquid compressed air energy storage system. In the energy storage process, the compressor 1 is used for compressing air at normal temperature and normal pressure, the air is cooled by the cooler 2 and then enters the gas-liquid conversion device 3 for temperature reduction and liquefaction, then the air is stored in the liquid air storage tank 4, and the heat released by the air in the cooler 2 is stored in the heat storage system; in the energy releasing process, low-temperature liquid air flows out of the liquid air storage tank 4, enters the gas-liquid conversion device 3 for cold energy recovery, then enters the heater 5 for temperature increase, enters the expansion machine 6 for expansion to do work, and the heat absorbed by the air in the heater 5 comes from the heat storage system. In order to improve the energy storage efficiency of a conventional liquid compressed air energy storage system, the outlet temperature of a compressor needs to be improved as much as possible, so that the compressor is poor in working condition and high in manufacturing difficulty, and a large-capacity heat storage system needs to be built, so that the investment cost is increased.
Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit of the present invention. The insubstantial changes of the utility model when the design is used are all the acts of infringing the protection scope of the utility model.
Claims (5)
1. The utility model provides a power plant air energy storage flexibility peak shaving system which characterized in that: the method comprises the following steps: the liquid compressed air energy storage system consists of a compressor (1), a cooler (2), a gas-liquid conversion device (3), a liquid air storage tank (4), a heater (5), an expander (6), a newly-added compressor (21) and a newly-added cooler (22); the coal-fired unit power generation system consists of a condenser (11), a condensate pump (12), a primary low-pressure heater (13-1), a secondary low-pressure heater (13-2), a deaerator (14), a water feed pump (15), a high-pressure heater (16), a boiler (17), a high-pressure cylinder (18), an intermediate pressure cylinder (19) and a low-pressure cylinder (20); the control valve group consists of a first valve (7), a second valve (8), a third valve (9) and a fourth valve (10);
an outlet of the compressor (1) is sequentially communicated with a high-temperature side inlet of the cooler (2), a high-temperature side outlet of the cooler (2), a newly-added compressor (21), a newly-added cooler (22) high-temperature side inlet, a newly-added cooler (22) high-temperature side outlet, a cooling liquefaction side inlet of the gas-liquid conversion device (3), a cooling liquefaction side outlet of the gas-liquid conversion device (3) and an inlet of the liquid air storage tank (4); an outlet of the liquid air storage tank (4) is sequentially communicated with a cold energy recovery side inlet of the gas-liquid conversion device (3), a cold energy recovery side outlet of the gas-liquid conversion device (3), a low-temperature side inlet of the heater (5), a low-temperature side outlet of the heater (5) and the expander (6); an outlet of the condenser (11) is sequentially communicated with a condensate pump (12), a primary low-pressure heater (13-1), a secondary low-pressure heater (13-2), a deaerator (14), a water feed pump (15), a high-pressure heater (16), a condensed water inlet of a boiler (17), a main steam outlet of the boiler (17), a high-pressure cylinder (18), a reheat steam inlet of the boiler (17), a reheat steam outlet of the boiler (17), an intermediate pressure cylinder (19), a low-pressure cylinder (20) and an inlet of the condenser (11); one side of the first valve (7) is communicated with an outlet of the condensate pump (12), and the other side of the first valve (7) is communicated with a low-temperature side inlet of the cooler (2) and a low-temperature side inlet of the newly-added cooler (22); one side of the second valve (8) is communicated with the outlet of the first-stage low-pressure heater (13-1), and the other side of the second valve (8) is communicated with the outlet of the low-temperature side of the cooler (2) and the outlet of the low-temperature side of the newly-added cooler (22); one side of the third valve (9) is communicated with an inlet of the low-pressure cylinder (20), and the other side of the third valve (9) is communicated with an inlet of the high-temperature side of the heater (5); one side of the fourth valve (10) is communicated with an outlet of the condenser (11), and the other side of the fourth valve (10) is communicated with an outlet of the high-temperature side of the heater (5).
2. The power plant air energy storage flexibility peak shaving system of claim 1, wherein: the compressor (1) and the cooler (2) are both in one stage or multiple stages, the number of the compressor (1) and the number of the cooler (2) are in one-to-one correspondence, and the corresponding coolers are connected in series behind each stage of the compressor.
3. The power plant air energy storage flexibility peak shaving system of claim 1, wherein: the newly-added compressor (21) and the newly-added cooler (22) are in one-stage or multi-stage connection with the compressor (1) and the cooler (2), the number of the newly-added compressor (21) and the number of the newly-added cooler (22) are in one-to-one correspondence, and the newly-added cooler corresponding to each stage is connected in series behind the newly-added compressor.
4. The power plant air energy storage flexibility peak shaving system of claim 1, wherein: the heaters (5) and the expanders (6) are all in one stage or multiple stages, the heaters (5) and the expanders (6) are in one-to-one correspondence in number, and the corresponding expanders are connected behind each stage of heater in series.
5. The power plant air energy storage flexibility peak shaving system of claim 1, wherein: and the third valve (9) is communicated with an outlet of the intermediate pressure cylinder (19) and an inlet of the low pressure cylinder (20), or the steam extraction position is optimized and screened according to the specific condition of the generator set.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305919A (en) * | 2020-03-20 | 2020-06-19 | 西安西热节能技术有限公司 | Power plant air energy storage flexible peak regulation system and method |
| CN113339774A (en) * | 2021-04-29 | 2021-09-03 | 华电电力科学研究院有限公司 | Multi-energy combined supply system based on steam gradient utilization of thermoelectric unit and adjusting method |
| CN114909196A (en) * | 2022-04-28 | 2022-08-16 | 西安热工研究院有限公司 | Pumped compression isobaric release air energy storage system and method |
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2020
- 2020-03-20 CN CN202020362978.3U patent/CN212054836U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305919A (en) * | 2020-03-20 | 2020-06-19 | 西安西热节能技术有限公司 | Power plant air energy storage flexible peak regulation system and method |
| WO2021184773A1 (en) * | 2020-03-20 | 2021-09-23 | 西安西热节能技术有限公司 | Flexible peak regulation system and method for air energy storage by power plant |
| CN113339774A (en) * | 2021-04-29 | 2021-09-03 | 华电电力科学研究院有限公司 | Multi-energy combined supply system based on steam gradient utilization of thermoelectric unit and adjusting method |
| CN114909196A (en) * | 2022-04-28 | 2022-08-16 | 西安热工研究院有限公司 | Pumped compression isobaric release air energy storage system and method |
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