CN105864633A - SF6 gas collection system - Google Patents

SF6 gas collection system Download PDF

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Publication number
CN105864633A
CN105864633A CN201610180385.3A CN201610180385A CN105864633A CN 105864633 A CN105864633 A CN 105864633A CN 201610180385 A CN201610180385 A CN 201610180385A CN 105864633 A CN105864633 A CN 105864633A
Authority
CN
China
Prior art keywords
gas
storage device
gathering system
electrical equipment
pipeline
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
CN201610180385.3A
Other languages
Chinese (zh)
Inventor
董方舟
车瑶
张琛
刘弘景
石磊
李伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Beijing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610180385.3A priority Critical patent/CN105864633A/en
Publication of CN105864633A publication Critical patent/CN105864633A/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
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • 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
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • 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
    • F17C2221/037—Containing pollutant, e.g. H2S, Cl
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/01—Purifying the fluid
    • F17C2265/015—Purifying the fluid by separating
    • 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
    • F17C2270/00—Applications
    • F17C2270/05—Applications for industrial use

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention provides an SF6 gas collection system. The system comprises a gas storage device, a recovery pipeline and a recharge pipeline, wherein a gas inlet of the gas storage device communicates with a transformer chamber provided with an SF6 transformer through a collection pipeline so as to enable SF6 gas in the transformer chamber to be collected into the gas storage device; one end of the recovery pipeline is connected with SF6 electrical equipment, and the other end of the recovery pipeline communicates with the gas inlet of the gas storage device, so that the SF6 gas in the SF6 electrical equipment is recovered into the gas storage device; one end of the recharge pipeline is connected with a gas outlet of the gas storage device, and the other end of the recharge pipeline is connected with the SF6 electrical equipment, so that the gas in the gas storage device is charged into the SF6 electrical equipment. By adopting the SF6 gas collection system, the problem that in the prior art, SF6 gas is liable to leak and then causes environment pollution when an indoor SF6 transformer breaks down is solved.

Description

SF6Gas gathering system
Technical field
The present invention relates to harmful gas process field, in particular to a kind of SF6Gas gathering system.
Background technology
Along with the continuous propelling of Urbanization Process In China, standing in great numbers in urban skyscraper, population is the most intensive, power consumption, transformator Quantity is also being continuously increased.The oil mass of Conventional mass oil-filled transformer is relatively big, once catches fire the life to people because of fault Property safety constitutes a serious threat.Therefore, six-component force balance transformator has been widely used in China city since the sixties in last century Underground substation, city.
Compared with traditional filling transformer, due to SF6Non-combustible and the most combustion-supporting property of gas so that six-component force balance transformator does not has There is the Potential feasibility of initiation fire, and its noise in running is low, particularly suitable at bustling commercial center and population Intensive residential block uses.
SF6Although gas-insulated performance is superior, but it must be carried out strict quality surveillance and safety according to relevant regulatory requirements Management.This is because SF6Gas in process of production or under the effect of the high energy factor, can decompose that generation is some poisonous even to be had Severe toxicity, the objectionable impurities of severe corrosive.When system exists moisture, air (oxygen), electrode material, equipment and materials, can make Obtaining catabolic process to complicate, cause catabolite value volume and range of product substantially to increase, hazardness strengthens.
SF6The harm of gaseous impurity mainly shows as toxicity and the corrosivity of catabolite.SF6Impurity in gas and catabolite Middle acid substance particularly HF, SO2Existence can cause the corrosion of sulfur hexafluoride insulation electrical equipment material；The existence of moisture exists Electric property may be caused under certain condition to deteriorate (the various electric arc analytes of sulfur hexafluoride gas and SF6Gas produces through hydrolysis Fluohydric acid gas (HF) and sulphuric acid (H2SO4), some metal object and insulating part can be produced corrosiveness, and then leak, shadow Ring the service life of electrical equipment), even cause serious equipment breakdown.And such as SF present in sulfur hexafluoride4、SOF2、 SF2、SO2F2, HF etc. be toxicity and the extremely strong compound of corrosivity, very big to harm, it is possible to cause the pernicious person Accident.
But, owing to the workmanship of six-component force balance transformator, mounting process, aging, the blowing pressure of potted component etc. are former Because causing SF in transformator6Gas leakage is difficult to avoid that.Once there is leakage failure in six-component force balance transformator, it is interior Sulfur hexafluoride gas will escape in a large number, the SF leaked out6Gas and analyte thereof, in the accumulation of indoor low layer space, cause local Anoxia and band poison, cause serious harm to the health entering indoor maintenance and the personnel of tour.
At present, when six-component force balance transformator occurs the emergencies such as a large amount of leakages, the common processing method of transformer station is: let out After leakage alarm sends warning, staff should withdraw rapidly scene, if occurring in indoor location place, should open room ventilation Device.Do not wear a gas mask or positive-pressure air respirator personnel no admittance, only through sufficient natural exhaust or pressure Air draft, and through SF6Leakage monitoring system monitors SF6After gas, oxygen content are up to standard, personnel are just accurate to be entered.
Above-mentioned ventilation emptying process scheme is not suitable for being positioned at the underground substation six-component force balance transformer leakage event of down town Barrier.If leakage failure still selects ventilation emptying measure will make SF after occurring6Gas and equipment During Process of Long-term Operation produce Toxicity and the extremely strong complicated catabolite such as SF of corrosivity4、SOF2、SF2、SO2F2, HF etc. pollute ground air, over the ground Dough figurine group produces body harm, and may cause pernicious personal injury.
Visible, underground substation six-component force balance transformator once Sudden Leakage fault, be in a short period of time to Interior Space In between, the sulfur hexafluoride gas of leakage reclaims, and makes gas leakage accidents scene be rapidly achieved the state that can carry out rushing to repair.
It addition, be safe operation and the normal power supply ensureing power equipment, power equipment carried out maintenance and is to ensure that equipment is normally transported The important means of row.Though Current Domestic market has the gas for sulfur hexafluoride Repair of Transformer link to reclaim, refilling device, But owing to these equipment volume are excessive, hardly entering operation in underground substation, its pipeline also is difficult to enter underground substation to be carried out The service work of transformator.
Summary of the invention
A kind of SF of offer is provided6Gas gathering system, to solve the SF of indoor of the prior art6Transformation SF is easily made when device breaks down6There is leakage and then the problem causing environmental pollution.
To achieve these goals, the invention provides a kind of SF6Gas gathering system, including: gas storage device, gas stores up The air inlet of cryopreservation device passes through collecting and has SF6Transformer room's connection of transformator, so that the SF in transformer room6Gas It is collected in gas storage device；Recovery pipe, one end of recovery pipe and SF6Electrical equipment connects, the other end of recovery pipe Connect with the air inlet of gas storage device, with by SF6SF in electrical equipment6Gas is recovered in gas storage device；Recharge Pipeline, the gas outlet of one end and gas storage device of recharging pipeline is connected, and recharges the other end and the SF of pipeline6Electrical equipment connects, So that the gas in gas storage device is filled with SF6In electrical equipment.
Further, recovery pipe away from SF6One end of electrical equipment is connected in collecting.
Further, collecting is provided with the first compressor being arranged in parallel and the second compressor.
Further, recovery pipe away from SF6One end of electrical equipment be connected to the first compressor and the second compressor away from gas One end of body storage device.
Further, collecting is provided with votage control switch.
Further, SF6Gas gathering system also includes gaseous transfer case, the air inlet of gaseous transfer case and gas storage device Gas outlet connects.
Further, SF6Gas gathering system also includes: the first gas cleaning plant, and the first gas cleaning plant is arranged on collection On pipeline.
Further, the first gas cleaning plant includes filtering foreign module and water separation module, and water separation module is arranged on foreign material The downstream of filtering module.
Further, the first gas cleaning plant also include air separation module, air separation module be arranged on water separation module with Between gas storage device.
Further, SF6Gas gathering system also includes: the second air cleaner, and the second air cleaner is arranged on recovery On pipeline.
SF in the present invention6Gas gathering system includes gas storage device, owing to gas storage device is by collecting and transformation Device room connects, and passes through recovery pipe and recharge pipeline and SF6Electrical equipment connects, and so, just can make from SF6In transformator The SF leaked out6In gas inflow gas storage device, and this gas storage device is utilized to reclaim SF6Gas in electrical equipment Or to SF6Inflation in electrical equipment, and then reach to collect the SF of leakage6Gas to SF6Electrical equipment carries out the purpose overhauled, Thus solve the SF of indoor of the prior art6SF is easily made when transformator breaks down6There is leakage and then cause environmental pollution Problem.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the SF according to the present invention6The structural representation of the embodiment of gas gathering system.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, gas storage device；20, collecting；31, the first compressor；32, the second compressor；40, recovery pipe； 50, pipeline is recharged；60, votage control switch；70, gaseous transfer case；80, the first gas cleaning plant；81, filtering foreign mould Block；82, water separation module；83, air separation module；90, the second air cleaner；100, transformer room；110、 SF6Transformator；120、SF6Electrical equipment.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined. Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Present embodiments provide a kind of SF6Gas gathering system, refer to Fig. 1, this SF6Gas gathering system includes: gas stores up Cryopreservation device 10, the air inlet of gas storage device 10 passes through collecting 20 and has SF6The transformer room 100 of transformator 110 Connection, so that the SF in transformer room 1006Collection and confinement of gases is in gas storage device 10；Recovery pipe 40, recovery pipe 40 One end and SF6Electrical equipment 120 connects, and the other end of recovery pipe 40 connects with the air inlet of gas storage device 10, with By SF6SF in electrical equipment 1206Gas is recovered in gas storage device 10；Recharge pipeline 50, recharge the one of pipeline 50 End is connected with the gas outlet of gas storage device 10, recharges the other end and the SF of pipeline 506Electrical equipment 120 connects, with by gas Gas in body storage device 10 is filled with SF6In electrical equipment 120.
SF in the present embodiment6Gas gathering system includes gas storage device 10, owing to gas storage device 10 passes through collecting pipe Road 20 connects with transformer room 100, and passes through recovery pipe 40 and recharge pipeline 50 and SF6Electrical equipment 120 connects, this Sample, just can make from SF6Transformator internal leakage SF out6In gas inflow gas storage device 10, and this gas is utilized to store up Cryopreservation device 10 reclaims SF6Gas in electrical equipment 120 or to SF6Inflation in electrical equipment 120, and then reach to collect leakage SF6Gas to SF6Electrical equipment 120 carries out the purpose overhauled, thus solves the SF of indoor of the prior art6Transformation SF is easily made when device 110 breaks down6There is leakage and then the problem causing environmental pollution.
Specifically, recovery pipe 40 away from SF6One end of electrical equipment 120 is connected in collecting 20.
In the present embodiment, as it is shown in figure 1, be provided with the first compressor 31 and the second pressure being arranged in parallel in collecting 20 Contracting machine 32.In this manner it is ensured that the flow direction of the gas in collecting 20.
In the present embodiment, recovery pipe 40 away from SF6One end of electrical equipment 120 is connected to the first compressor 31 and second One end away from gas storage device 10 of compressor 32.
In the present embodiment, as it is shown in figure 1, be provided with votage control switch 60 in collecting 20.As such, it is possible to control collecting pipe Pressure in road 20.
In the present embodiment, as it is shown in figure 1, SF6Gas gathering system also includes gaseous transfer case 70, gaseous transfer case 70 Air inlet connects with the gas outlet of gas storage device 10.
In the present embodiment, SF6Gas gathering system also includes: the first gas cleaning plant 80, the first gas cleaning plant 80 It is arranged in collecting 20.As such, it is possible to the gas purified in collecting 20.
In order to purify the foreign material in collecting 20 and moisture, the first gas cleaning plant 80 includes filtering foreign module 81 and water Separation module 82, water separation module 82 is arranged on the downstream of filtering foreign module 81.
In order to purify the air in collecting 20, the first gas cleaning plant 80 also includes air separation module 83, and air divides It is arranged between water separation module 82 and gas storage device 10 from module 83.
For the gas in Recovery Purifying pipeline 40, as it is shown in figure 1, SF6Gas gathering system also includes: the second air cleaning Device 90, the second air cleaner 90 is arranged in recovery pipe 40.
The sulfur hexafluoride gas of Sudden Leakage fault and maintenance link that the present embodiment relates to room sulfur hexafluoride gas transformer processes System, particularly collects the merits such as sulfur hexafluoride gas recharges in emergency processing when fault occurs and overhaul of the equipments link equipment Can be in the sulfur hexafluoride gas processing system of one.
Sulfur hexafluoride gas leakage failure emergency processing flow:
SF6 gas gathering system in the present embodiment is come in collecting chamber six by three or multiple gas automatic collecting device arranged side by side Sulfur hexafluoride gas mixture in sulfur fluoride gas-insulated transformer leakage failure rear space.Gas automatic collecting device is fixed on six The vent of sulfur fluoride gas-insulated transformer room (transformer room 30) underground, when there is leakage accident, collects container certainly Dynamic closing, reclaims the passage providing airtight for rear class gas.
Accident treatment terminates, and collects container and automatically opens wide, it is ensured that original channels open.The six-component force balance transformation in which room Device generation leakage failure, the gas automatic collecting device of its underground starts when receiving leakage alarm signal and closes, and collects sky Sulfur hexafluoride between and the mixed gas of air.
The leakage sulfur hexafluoride gas collected enters dust filter unit and the analyte of concatenation through gas pipeline by electromagnetic valve V1 Filter, filters out the dust in mixed gas；By the sulfur hexafluoride gas of dust filter unit at centrifugal blower and vortex pneumatics Under the effect of machine, enter a large amount of by gas of water separator and contaminant filter (filtering SF6 catabolite, oil, micro-water) Moisture and other magazins' layout.
Gas after filtration, purification continues through pipeline and flows through the first buffer tank, electromagnetic valve V2, air separation module successively, passes through Sulfur hexafluoride gas concentration after secondary air segregation apparatus is the highest (70%), can keep in the second buffer tank.First Buffer tank, electromagnetic valve V2, air separation module, each gateway of the second buffer tank are connected by pipeline, air separation module And it is provided with electromagnetic valve V3 on the pipeline that second between buffer tank.Air separation module is the membrane separation technique used, the second-order separation Sulfur hexafluoride gas and air sufficiently can be separated, to separate air, improve the concentration of sulfur hexafluoride gas.
The sulfur hexafluoride gas that concentration in second buffer tank is higher, in addition it is also necessary to store up with storage in liquid to sulfur hexafluoride gas after compression In cryopreservation device, emission treatment after waiting follow-up Recovery Purifying or reaching environmental protection standard.If sulfur hexafluoride gas storage device be by The sulfur hexafluoride caching pipe composition of dry series connection.The sulfur hexafluoride gas that concentration in second buffer tank is higher is flowed successively by pipeline Through electromagnetic valve V4, needle-valve C1, and under the effect of compressor bank (needing 2 compressor parallels to constitute), pass through along pipeline Electromagnetic valve V5 enters sulfur hexafluoride gas storage device；Sulfur hexafluoride gas storage device is in series by multiple holding vessels, each phase It is each provided with 1 electromagnetic valve between the adjacent tank connected pipeline of storage.
The electromagnetic valve related in this emergent flow process is in opening, and other valves being not related to are closed.
Six-component force balance Repair of Transformer recycling flow process:
In sulfur hexafluoride insulation electrical equipment, Moisture high UCL, catabolite are beyond permissible value, when the accidents such as leakage, flashover occur, Need sulfur hexafluoride insulation electrical equipment is overhauled.During six-component force balance overhaul of the equipments, need in equipment is lithium Sulfur gas recycles, and after Awaiting Overhaul, then recharges into the six-component force balance equipment overhauled.
When reclaiming the gas in SF6 gas-insulated transformer, the recovery port of Awaiting Overhaul equipment and native system is connected, due to In Awaiting Overhaul equipment gas pressure be higher than native system pressure, the gas in Awaiting Overhaul equipment can by pipeline flow through successively electromagnetic valve, Dust filter unit and molecular sieve filter (filtering the impurity such as catabolite, moisture), electromagnetic valve, then compressor bank (2 Compressor parallel constitute) effect under, pass through the pipeline at electromagnetic valve V5 place, finally enter sulfur hexafluoride gas storage device. Dust filter unit and molecular sieve filter filter out the solid impurity and moisture generated in Awaiting Overhaul equipment.Sulfur hexafluoride gas stores Device is in series by buffer tank 1 to 5, is each provided with 1 electromagnetism between each tank connected pipeline of adjacent caching.
When Awaiting Overhaul equipment residual gas pressure is close to 0MPA, Awaiting Overhaul equipment and whole above-mentioned recovery pipe yet suffer from Certain residual gas, it is also desirable to reclaim clean, directly discharge, when reducing maintenance, the harm that people and air are caused.Now, negative Push back receipts flow startup, negative pressure recovery process and above-mentioned recovery process essentially identical, simply access one parallel at electromagnetic valve two ends Individual vacuum compressor and another electromagnetic valve.During negative recovery process, the closed electromagnetic valve on an independent branch road, returns from recovery port The gas received is not by this electromagnetic valve, but passes through the pipeline at the electromagnetic valve place on branch road connected in parallel at vacuum compressor Effect under flow into dust filter unit and molecular sieve filter, remaining is the most the same with above-mentioned normal recovery process.
Six-component force balance Repair of Transformer recharges handling process:
After Awaiting Overhaul overhaul of the equipments, in addition it is also necessary to recharge into original treated sulfur hexafluoride gas.Sulfur hexafluoride gas The gas through recovery process process in storage device flows through needle-valve C2 by pipeline, then is filled into six slowly by recovery port In sulfur fluoride repair apparatus.It is gaseous state that needle-valve C2 regulation enters the gas of Awaiting Overhaul equipment.Before recharging again, should be at first evacuation Reason, is then recharged by recovery and connects the instrumentations such as the most micro-water of instrumentation, chromatograph at mouth, to guarantee to recharge into Awaiting Overhaul Gas in equipment is qualified.
Native system not only can solve underground substation burst accident, quickly reclaims the sulfur hexafluoride gas stored in transformer room, also The recovery of sulfur hexafluoride electrical equipment can be overhauled, recharge purified treatment.Dual-use, the most cost-effective, improve Utilization rate of equipment and installations.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc. With replacement, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. a SF6Gas gathering system, it is characterised in that including:
Gas storage device (10), the air inlet of described gas storage device (10) passes through collecting (20) and has SF6Transformer room (100) connection of transformator (110), so that the SF in described transformer room (100)6Collection and confinement of gases In described gas storage device (10)；
Recovery pipe (40), one end of described recovery pipe (40) and SF6Electrical equipment (120) connects, described recovery The other end of pipeline (40) connects with the air inlet of described gas storage device (10), with by described SF6Electrical equipment (120) Interior SF6Gas is recovered in described gas storage device (10)；
Recharge pipeline (50), described in recharge the gas outlet of one end of pipeline (50) and described gas storage device (10) even Connect, described in recharge the other end of pipeline (50) and described SF6Electrical equipment (120) connects, to be stored by described gas Gas in device (10) is filled with described SF6In electrical equipment (120).
SF the most according to claim 16Gas gathering system, it is characterised in that described recovery pipe (40) away from described SF6One end of electrical equipment (120) is connected in described collecting (20).
SF the most according to claim 16Gas gathering system, it is characterised in that described collecting is provided with also on (20) First compressor (31) of connection setting and the second compressor (32).
SF the most according to claim 36Gas gathering system, it is characterised in that described recovery pipe (40) away from described SF6One end of electrical equipment (120) is connected to the remote of described first compressor (31) and described second compressor (32) One end from described gas storage device (10).
SF the most according to claim 36Gas gathering system, it is characterised in that described collecting is provided with pressure on (20) Control switch (60).
SF the most according to claim 16Gas gathering system, it is characterised in that described SF6Gas gathering system also includes gas Body tote box (70), the air inlet of described gaseous transfer case (70) connects with the gas outlet of described gas storage device (10) Logical.
SF the most according to claim 16Gas gathering system, it is characterised in that described SF6Gas gathering system also includes:
First gas cleaning plant (80), described first gas cleaning plant (80) is arranged on described collecting (20) On.
SF the most according to claim 76Gas gathering system, it is characterised in that described first gas cleaning plant (80) is wrapped Including filtering foreign module (81) and water separation module (82), described water separation module (82) is arranged on described filtering foreign The downstream of module (81).
SF the most according to claim 86Gas gathering system, it is characterised in that described first gas cleaning plant (80) is also wrapped Including air separation module (83), described air separation module (83) is arranged on described water separation module (82) and described gas Between body storage device (10).
SF the most according to claim 16Gas gathering system, it is characterised in that described SF6Gas gathering system also includes:
Second air cleaner (90), described second air cleaner (90) is arranged on described recovery pipe (40) On.
CN201610180385.3A 2016-03-25 2016-03-25 SF6 gas collection system Pending CN105864633A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106710787A (en) * 2016-12-21 2017-05-24 河南省日立信股份有限公司 Emergency recovery and purification system of sulfur hexafluoride gas after leakage of transformer in underground substation
CN106744711A (en) * 2016-12-21 2017-05-31 河南省日立信股份有限公司 The purification-recovery system of mixed gas in six-component force balance transformer leakage rear chamber
CN107782848A (en) * 2016-08-31 2018-03-09 常州埃依琦科技有限公司 A kind of SF6 gases leak early warning recovery system
CN107892279A (en) * 2017-12-13 2018-04-10 深圳供电局有限公司 A kind of powered purifying processing device of sulfur hexafluoride gas and method
CN110201460A (en) * 2019-07-12 2019-09-06 广东电网有限责任公司 A kind of SF6Gas on-line intelligence purification device
CN111089228A (en) * 2020-01-22 2020-05-01 江苏省送变电有限公司 Ultra-pure SF6 pipeline gas transmission system

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Publication number Priority date Publication date Assignee Title
CN107782848A (en) * 2016-08-31 2018-03-09 常州埃依琦科技有限公司 A kind of SF6 gases leak early warning recovery system
CN106710787A (en) * 2016-12-21 2017-05-24 河南省日立信股份有限公司 Emergency recovery and purification system of sulfur hexafluoride gas after leakage of transformer in underground substation
CN106744711A (en) * 2016-12-21 2017-05-31 河南省日立信股份有限公司 The purification-recovery system of mixed gas in six-component force balance transformer leakage rear chamber
CN107892279A (en) * 2017-12-13 2018-04-10 深圳供电局有限公司 A kind of powered purifying processing device of sulfur hexafluoride gas and method
CN107892279B (en) * 2017-12-13 2024-02-09 深圳供电局有限公司 Sulfur hexafluoride gas electrified purification treatment device and method
CN110201460A (en) * 2019-07-12 2019-09-06 广东电网有限责任公司 A kind of SF6Gas on-line intelligence purification device
CN111089228A (en) * 2020-01-22 2020-05-01 江苏省送变电有限公司 Ultra-pure SF6 pipeline gas transmission system
CN111089228B (en) * 2020-01-22 2024-05-17 江苏省送变电有限公司 Ultra-high purity SF6 pipeline gas transmission system

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