CN110410664A - A kind of compressed-air energy storage combined type gas storage can system and its adjusting method - Google Patents

A kind of compressed-air energy storage combined type gas storage can system and its adjusting method Download PDF

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Publication number
CN110410664A
CN110410664A CN201910828004.1A CN201910828004A CN110410664A CN 110410664 A CN110410664 A CN 110410664A CN 201910828004 A CN201910828004 A CN 201910828004A CN 110410664 A CN110410664 A CN 110410664A
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CN
China
Prior art keywords
starting
high pressure
outlet valve
operation high
expanding machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910828004.1A
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Chinese (zh)
Inventor
文贤馗
钟晶亮
邓彤天
张世海
王文强
王锁斌
吴宓
吴鹏
李前敏
席光辉
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
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Filing date
Publication date
Application filed by Guizhou Power Grid Co Ltd filed Critical Guizhou Power Grid Co Ltd
Priority to CN201910828004.1A priority Critical patent/CN110410664A/en
Publication of CN110410664A publication Critical patent/CN110410664A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F17C13/045—Automatic change-over switching assembly for bottled gas systems with two (or more) gas containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/031—Air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04—Methods for emptying or filling
    • F17C2227/041—Methods for emptying or filling vessel by vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04—Methods for emptying or filling
    • F17C2227/046—Methods for emptying or filling by even emptying or filling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0621—Volume
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0636—Flow or movement of content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/021—Avoiding over pressurising

Abstract

The invention discloses a kind of compressed-air energy storage combined type gas storage can system and its adjusting methods, including multiple operation high pressure tanks, air accumulator is pressed in starting, run high pressure tank outlet valve, reservoir outlet valve is pressed in starting, control valve, expanding machine and generator, pressure air accumulator parallel arrangement in multiple operation high pressure tanks and starting, a main pipe is collected to after parallel connection, it presses to be separately installed on the escape pipe of air accumulator in operation high pressure tank outlet valve and starting in each operation high pressure tank and starting and presses reservoir outlet valve, control valve is installed in main pipe, main pipe outlet side is connect with expander inlet, expander outlet exhaust is connected to atmosphere, expanding machine is connected with generator by transmission shaft.The present invention uses high pressure air in the process of running, improves whole system operational efficiency by using the compressed air of different pressures to improve the control precision of start-up course in startup stage using middle pressure compressed air in different phase switching.

Description

A kind of compressed-air energy storage combined type gas storage can system and its adjusting method
Technical field
The invention belongs to compressed air energy storage technology fields, and in particular to a kind of compressed-air energy storage combined type air accumulator system System and its adjusting method.
Background technique
Compressed-air energy-storage system has many advantages, such as that energy storage scale is big, the storage period is long, environmental pollution is small, is to work as power grid When electricity surplus, start compressor compresses air, by air compressed energy-storage process, consumes the operation of electrical energy drive compressor, air It is stored in air accumulator after compression；When power grid electric is in short supply, start expanding machine, the pressure-air in air accumulator enters expansion Machine drives generator to generate electricity.
Air accumulator all uses a kind of specification at present, to improve energy density, reduces reservoir volume, reservoir pressure is selected It is very high, it is even up to overcritical.Expansion power generator during startup, usually causes to start because reservoir pressure is excessively high Revolving speed is not easy to control in journey, be easy to cause hypervelocity accident.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of compressed-air energy storage combined type gas storage can system and its adjusting Method,.
The technical scheme adopted by the invention is as follows: a kind of compressed-air energy storage combined type gas storage can system, including multiple operations Air accumulator, operation high pressure tank outlet valve are pressed in high pressure tank, starting, are pressed reservoir outlet valve in starting, are adjusted The parallel arrangement of pressure air accumulator, is collected to one after in parallel in valve, expanding machine and generator, multiple operation high pressure tanks and starting Root main pipe, each operation high pressure tank go out with operation high pressure tank is separately installed in starting on the escape pipe of pressure air accumulator Reservoir outlet valve is pressed in mouth valve and starting, and control valve, main pipe outlet side and expander inlet company are installed in main pipe It connects, expander outlet exhaust is connected to atmosphere, and expanding machine is connected with generator by transmission shaft.
Preferably, above-mentioned control valve is using electronic, pneumatically or hydraulically control valve.
Preferably, air accumulator rated pressure is pressed in above-mentioned startingP SFor 10 ~ 20% operation high pressure tank rated pressuresP 0。
Embodiment 2: a kind of adjusting method of compressed-air energy storage combined type gas storage can system, this method includes following step It is rapid:
The first step, when starting, close each operation high pressure tank outlet valve, open and press reservoir outlet valve in starting；
Second step, started with control valve control expanding machine charge flow rate: expanding machine is gradually from stationary state raising speed to volume Determine revolving speed, grid-connected power grid promotes active power of output to rated power or grid requirements power；
Third step opens each operation high pressure tank outlet valve, pressure reservoir pressure raising in starting, when being increased in starting Press air accumulator rated pressureP S When, it closes and presses reservoir outlet valve in starting；
4th step, is operated normally with control valve control expanding machine charge flow rate, and it is active to adjust output according to grid requirements Power.
Beneficial effects of the present invention: compared with prior art, the present invention is by using different pressures in different phase switching Compressed air, startup stage use middle pressure compressed air, improve the control precision of start-up course, use in the process of running High pressure air improves whole system operational efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
With reference to the accompanying drawing and the present invention is described further in specific embodiment.
Embodiment 1: as shown, a kind of compressed-air energy storage combined type gas storage can system, including the storage of multiple operation high pressures Pressure reservoir outlet valve 4, regulating valve in pressing air accumulator 2, operation high pressure tank outlet valve 3 in gas tank 1, starting, starting Door 5, expanding machine 6 and generator 7, multiple operation high pressure tanks 1 are arranged in parallel with pressure air accumulator 2 in starting, collect after in parallel To a main pipe, is pressed in each operation high pressure tank 1 and starting and be separately installed with operation high pressure storage on the escape pipe of air accumulator 2 Reservoir outlet valve 4 is pressed in gas tank outlet valve 3 and starting, and control valve 5, main pipe outlet side and expansion are installed in main pipe The connection of 6 entrance of machine, 6 exiting exhaust gas of expanding machine are connected to atmosphere, and expanding machine is connected with generator by transmission shaft, drawing generator Power generation.
Preferably, above-mentioned control valve 5 is had automatic control function, is controlled using electronic, pneumatically or hydraulically control valve Target is expanding machine revolving speed and generator active power.
Preferably, 2 rated pressure of air accumulator is pressed in above-mentioned startingP SFor 10 ~ 20% operation 1 rated pressures of high pressure tankP 0。
Embodiment 2: a kind of adjusting method of compressed-air energy storage combined type gas storage can system, this method includes following step It is rapid:
The first step, when starting, close each operation high pressure tank outlet valve, open and press reservoir outlet valve in starting；
Second step, started with control valve control expanding machine charge flow rate: expanding machine is gradually from stationary state raising speed to volume Determine revolving speed, grid-connected power grid promotes active power of output to rated power or grid requirements power；
Third step opens each operation high pressure tank outlet valve, pressure reservoir pressure raising in starting, when being increased in starting Press air accumulator rated pressureP S When, it closes and presses reservoir outlet valve in starting；
4th step, is operated normally with control valve control expanding machine charge flow rate, and it is active to adjust output according to grid requirements Power.
The present invention presses compression by the compressed air in different phase switching using different pressures in startup stage use Air improves the control precision of start-up course, uses high pressure air in the process of running, improves whole system operation effect Rate.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims lid.

Claims (4)

1. a kind of compressed-air energy storage combined type gas storage can system, it is characterised in that: including multiple operation high pressure tanks (1), Pressure reservoir outlet valve (4), regulating valve in pressing air accumulator (2) in starting, running high pressure tank outlet valve (3), start Pressure air accumulator (2) parallel arrangement in door (5), expanding machine (6) and generator (7), multiple operation high pressure tanks (1) and starting, It is collected to a main pipe after parallel connection, presses in each operation high pressure tank (1) and starting and pacifies respectively on the escape pipe of air accumulator (2) Equipped with reservoir outlet valve (4) are pressed in operation high pressure tank outlet valve (3) and starting, control valve is installed in main pipe (5), main pipe outlet side is connect with expanding machine (6) entrance, and expanding machine (6) exiting exhaust gas is connected to atmosphere, and expanding machine and generator are logical Transmission shaft is crossed to be connected.
2. a kind of compressed-air energy storage combined type gas storage can system according to claim 1, it is characterised in that: control valve (5) using electronic, pneumatically or hydraulically control valve.
3. a kind of compressed-air energy storage combined type gas storage can system according to claim 1, it is characterised in that: pressed in starting Air accumulator (2) rated pressureP SFor 10 ~ 20% operation high pressure tank (1) rated pressuresP 0。
4. a kind of adjusting method of compressed-air energy storage combined type gas storage can system according to claim 1 to 3, It is characterized in that: method includes the following steps:
The first step, when starting, close each operation high pressure tank outlet valve, open and press reservoir outlet valve in starting；
Second step, started with control valve control expanding machine charge flow rate: expanding machine is gradually from stationary state raising speed to volume Determine revolving speed, grid-connected power grid promotes active power of output to rated power or grid requirements power；
Third step opens each operation high pressure tank outlet valve, pressure reservoir pressure raising in starting, when being increased in starting Press air accumulator rated pressureP S When, it closes and presses reservoir outlet valve in starting；
4th step, is operated normally with control valve control expanding machine charge flow rate, and it is active to adjust output according to grid requirements Power.
CN201910828004.1A 2019-09-03 2019-09-03 A kind of compressed-air energy storage combined type gas storage can system and its adjusting method Pending CN110410664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910828004.1A CN110410664A (en) 2019-09-03 2019-09-03 A kind of compressed-air energy storage combined type gas storage can system and its adjusting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910828004.1A CN110410664A (en) 2019-09-03 2019-09-03 A kind of compressed-air energy storage combined type gas storage can system and its adjusting method

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CN110410664A true CN110410664A (en) 2019-11-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE2100104A1 (en) * 2021-06-22 2022-12-23 Ameneh Masoumi Power motor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07332109A (en) * 1994-06-06 1995-12-22 Mitsubishi Heavy Ind Ltd Compressed air storage type power generating plant
KR20110130050A (en) * 2010-05-27 2011-12-05 대우조선해양 주식회사 Eco regasification apparatus and method
CN103628932A (en) * 2013-11-25 2014-03-12 赖勇清 High-efficiency compressed air energy storage power generation system
CN107780989A (en) * 2017-11-09 2018-03-09 浙江大学 A kind of compressed air electric energy storing system
CN109519230A (en) * 2019-01-07 2019-03-26 贵州电网有限责任公司 A kind of expansion power generator turns to fine-tune system and method
CN209228417U (en) * 2019-01-07 2019-08-09 贵州电网有限责任公司 A kind of expansion power generator air admittance regulation system
CN210372859U (en) * 2019-09-03 2020-04-21 贵州电网有限责任公司 Compressed air energy storage combined type air storage tank system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07332109A (en) * 1994-06-06 1995-12-22 Mitsubishi Heavy Ind Ltd Compressed air storage type power generating plant
KR20110130050A (en) * 2010-05-27 2011-12-05 대우조선해양 주식회사 Eco regasification apparatus and method
CN103628932A (en) * 2013-11-25 2014-03-12 赖勇清 High-efficiency compressed air energy storage power generation system
CN107780989A (en) * 2017-11-09 2018-03-09 浙江大学 A kind of compressed air electric energy storing system
CN109519230A (en) * 2019-01-07 2019-03-26 贵州电网有限责任公司 A kind of expansion power generator turns to fine-tune system and method
CN209228417U (en) * 2019-01-07 2019-08-09 贵州电网有限责任公司 A kind of expansion power generator air admittance regulation system
CN210372859U (en) * 2019-09-03 2020-04-21 贵州电网有限责任公司 Compressed air energy storage combined type air storage tank system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE2100104A1 (en) * 2021-06-22 2022-12-23 Ameneh Masoumi Power motor

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