CN104295886A - Efficient SF6 gas processing tool - Google Patents

Efficient SF6 gas processing tool Download PDF

Info

Publication number
CN104295886A
CN104295886A CN201410503729.0A CN201410503729A CN104295886A CN 104295886 A CN104295886 A CN 104295886A CN 201410503729 A CN201410503729 A CN 201410503729A CN 104295886 A CN104295886 A CN 104295886A
Authority
CN
China
Prior art keywords
joint
public
efficient
gas
tube
Prior art date
Application number
CN201410503729.0A
Other languages
Chinese (zh)
Other versions
CN104295886B (en
Inventor
何满棠
吴树平
邵逸镇
袁镜江
李志钿
谢昱良
张倩
曾宪文
蔡宝龙
樊健斌
Original Assignee
广东电网有限责任公司东莞供电局
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 广东电网有限责任公司东莞供电局 filed Critical 广东电网有限责任公司东莞供电局
Priority to CN201410503729.0A priority Critical patent/CN104295886B/en
Publication of CN104295886A publication Critical patent/CN104295886A/en
Application granted granted Critical
Publication of CN104295886B publication Critical patent/CN104295886B/en

Links

Abstract

The invention discloses an efficient SF6 gas processing tool. The efficient SF6 gas processing tool comprises a platy fixed base, a public connecting pipe installed on the fixed base and at least four joints used for connecting SF6 equipment air chambers and vacuumizers, wherein the two ends of the public connecting pipe are closed, at least four connectors are arranged on a pipe body of the public connecting pipe, and the joints are correspondingly connected to the connectors. With the adoption of the efficient SF6 gas processing tool, as a plurality of vacuumizers are connected with the efficient SF6 gas processing tool, air recycling and vacuum pumping are simultaneously carried out on a plurality of air chambers, and working efficiency is greatly improved; in addition, the plurality of air chambers can be inflated by virtue of a plurality of bottles of SF6 or N2 gas, and thus inflation efficiency is improved; structure is simple, manufacturing cost is low, time for processing SF6 during SF6 equipment overhaul and repairing work can be greatly shortened, manpower and material source consumption is saved, and power failure time of equipment is shortened.

Description

A kind of efficient SF6 gas treatment instrument
Technical field
The present invention relates to a kind of SF 6the assistant tool of combined electrical apparatus (GIS), particularly the efficient SF6 gas of one reclaims, vacuumizes and inflatable tool.
Background technique
Along with developing rapidly and raising day by day to Operation of Electric Systems reliability requirement of global power system, SF 6gas has superior insulation and arc quenching characteristic because of it, has been widely used in, in the various electrical equipments such as the combined electrical apparatus of electric power system, circuit breaker, current transformer, voltage transformer, making SF 6equipment is on the increase.SF 6the equipment technical performance that also to rely on that its floor space is few, insulating strength is high, maintenance period is long etc. superior, occuping market day by day, becomes the Developing mainstream of High-Voltage Electrical Appliances.
But, SF 6during the works on the spot such as equipment overhauls in fault treatment with to it, overhaul, also there is following defect: (1) SF 6filling apparatus gas port is on mechanism case, and when gas treatment is carried out at scene, often need to change supporting hose coupler, after repeated disassembled and assembled, gas circuit tube head is very easy to wearing and tearing, causes tightness to decline, and adds the possibility of gas leakage, moisture infiltration; (2) gas recovery is with when vacuumizing, and an evacuator is separately to SF 6an air chamber of equipment operates, and working efficiency is very low; (3) when inflating, single bottle of SF 6or N 2gas is inflated an air chamber separately, and charging efficiency is lower; (4) particularly in the overhaul of GIS air chamber and repair, SF 6processing time is long; (5) existing gas recovery and the operation vacuumized, inflate also result in a large amount of manpower and materials consumption, add the power off time of equipment; (6) existing SF 6equipment inflate time, by SF 6equipment is connected fastening with gas-charging connection, after opening gas cylinder and pressure loading valve, unscrew nut or loosen two bolts being fastenedly connected flange, after Exhaust Gas, fasteningly to inflate, sealing and the water proofing property of gas-charging connection are poor again, causing in the open air of humidity cannot continuous firing, and functional reliability is poor.
To sum up, SF 6device context operating time and maintenance process reclaim by site environment change, gas, vacuumize and the impact of charging efficiency, cause inefficiency, equipment power off time long, affect power supply quality, this becomes current SF 6overhaul of the equipments work is difficult to one of technical barrier of capturing.
Summary of the invention
The object of the present invention is to provide and a kind ofly form that structure is simple, fabricating cost is low, can increase substantially the efficient SF6 gas treatment instrument of working efficiency, greatly can shorten gas processing time.
Above-mentioned purpose of the present invention realizes by the following technical solutions: a kind of efficient SF 6gas treatment instrument, is characterized in that: it comprise tabular fixed base, be arranged on public connecting tube on fixed base with at least 4 for being connected SF 6the joint of equipment air chamber and evacuator, two vessel end closure of described public connecting tube, the pipe shaft of described public connecting tube is provided with at least 4 interfaces, and described joint correspondence is connected on interface.
The present invention can use multiple stage evacuator coupled, carries out gas recovery simultaneously and vacuumizes, greatly increase work efficiency to multiple air chamber; In addition, also many bottles of SF can be used 6or N 2gas is inflated multiple air chamber simultaneously, improves charging efficiency.The present invention forms that structure is simple, fabricating cost is low, can greatly shorten at SF 6sF in equipment rebuilding and repair 6the time of process, save manpower and materials consumption, shortened the power off time of equipment.
As one embodiment of the present invention, described joint is the copper joint of DN40 or is the copper joint of DN20.Copper product corrosion protection, and tightness is good.
As a kind of preferred implementation of the present invention, described joint adopts 4 copper joints of DN40 and 6 copper joints of DN20, described public connecting tube internal diameter is DN40, described interface is 10, wherein 4 interfaces are positioned at the pipe shaft side of public connecting tube as DN40 interface, all the other 6 interfaces are positioned at the pipe shaft opposite side of public connecting tube as DN20 interface, 4 DN40 interfaces and 4 DN20 interface one_to_one corresponding, all the other 2 DN20 interfaces are positioned at two pipe ends of public connecting tube, the copper joint of DN40 is connected with DN40 interface, and the copper joint of DN20 is connected with DN20 interface.
As a modification of the present invention, the copper joint of described DN40 and the copper joint of DN20 are equipped with valve.Utilizing the multiple valve of free-open-close, gas mode of movement can be changed when not suspending gas treatment work, save the operating time, and reduce the risk owing to repeating the tightness decline that dismounting joint causes.
As one embodiment of the present invention, described valve adopts ball valve.
The copper joint of DN40 of the present invention and the copper joint of DN20 are respectively primarily of for being connected SF 6the straight-through connecting piece of equipment air chamber and evacuator, self-sealing head and described ball valve integrally welded composition successively.By force, can prevent internal gas leakage and outside moisture from entering, the still sustainable work in the open air of humidity, improves functional reliability for tightness and water proofing property.
Compared with prior art, the present invention has following significant effect:
(1) " multimachine is drawsheet or many air chambers altogether ", multiple stage evacuator can be used by being connected on joint of the present invention simultaneously to a SF 6multiple air chamber in equipment or different SF 6multiple air chambers in equipment carry out gas recovery and vacuumize, and greatly increase work efficiency.
(2) " many sources of the gas are with filling many air chambers ", many bottles of SF can be used 6or N 2gas is simultaneously to a SF 6multiple air chamber in equipment or different SF 6multiple air chambers in equipment are inflated, and improve charging efficiency, greatly shorten SF in the overhaul of GIS air chamber and repair 6the time of process, save manpower and materials consumption, shortened the power off time of equipment.
(3) the present invention uses the multiple valve of free-open-close, can change gas mode of movement when not suspending gas treatment work, saves the operating time, and reduces the risk owing to repeating the tightness decline that dismounting joint causes.
(4) each constituent elements of joint is integrally welded, and by force, can prevent internal gas leakage and outside moisture from entering, the still sustainable work in the open air of humidity, improves functional reliability for tightness and water proofing property.
(5) composition structure of the present invention is simple, fabricating cost is low, practical, (gas reclaims the overall process that can make in gas treatment, vacuumize, fill nitrogen, fill SF 6gas) can uninterruptedly, consistently carry out, be reduced in weather or environmental factor in the process overall process of gas and, on the impact of work, make SF 6recovery and the inflation work overall process of gas are more controlled, stable, efficient.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is plan view of the present invention.
Embodiment
As shown in Figure 1, be a kind of efficient SF6 gas treatment instrument of the present invention, it comprise tabular fixed base 1, be arranged on public connecting tube 2 on fixed base 1 with at least 4 for being connected SF 6the joint of equipment air chamber and evacuator, two vessel end closure of public connecting tube 2, the pipe shaft of public connecting tube 2 is provided with at least 4 interfaces, and joint correspondence is connected on interface.
In the present embodiment, joint adopts 4 copper joints of DN40 3 and 6 copper joints 4 of DN20, public connecting tube 2 internal diameter is DN40, interface is 10, wherein 4 interfaces are positioned at the pipe shaft side of public connecting tube 2 as DN40 interface, all the other 6 interfaces are positioned at the pipe shaft opposite side of public connecting tube 2 as DN20 interface, 4 DN40 interfaces and 4 DN20 interface one_to_one corresponding, all the other 2 DN20 interfaces are positioned at two pipe ends of public connecting tube 2, the copper joint 3 of DN40 is connected with DN40 interface, and the copper joint 4 of DN20 is connected with DN20 interface.
The copper joint of DN40 3 and the copper joint 4 of DN20 are equipped with valve, valve adopts ball valve 5, utilize the multiple valve of free-open-close, gas mode of movement can be changed when not suspending gas treatment work, save the operating time, and reduce the risk owing to repeating the tightness decline that dismounting joint causes.
In the present embodiment, the copper joint of DN40 and the copper joint of DN20 are respectively primarily of for being connected SF 6the straight-through connecting piece 6 of equipment air chamber and evacuator, self-sealing head 7 and ball valve 5 integrally welded composition successively.By force, can prevent internal gas leakage and outside moisture from entering, the still sustainable work in the open air of humidity, improves functional reliability for tightness and water proofing property.
Working procedure of the present invention is as follows:
(1) many air chambers taken out altogether by multimachine: be connected to by multiple stage evacuator on each joint, and these joints also correspondence are connected to a SF 6multiple air chamber in equipment or different SF 6multiple air chambers in equipment, open evacuator simultaneously, and during beginning, number platform vacuum machine is evacuated to required degree of vacuum by normal pressure (1 barometric pressure) in short-term air chamber with joint efforts, can realize a SF 6multiple air chamber in equipment or different SF 6multiple air chambers in equipment carry out gas recovery and vacuumize, several times faster than the conventional recovering device pumpdown time, all the other vacuum pumps are closed after reaching required degree of vacuum, carry out continuing to vacuumize with separate unit vacuum machine, when avoiding multiple stage vast capacity long, running causes the too low damage to equipment of degree of vacuum and unnecessary waste, and what ensure that degree of vacuum and time vacuumizes requirement simultaneously.
(2) many sources of the gas are with filling many air chambers: by many bottles of SF 6or N 2gas apparatus is connected on each joint, can simultaneously to a SF 6multiple air chamber in equipment or different SF 6multiple air chambers in equipment are inflated.8 or more gas cylinders can be connected simultaneously, accelerate SF 6gas vaporization speed, makes the transmission capacity of gas and transfer rate greatly improve, thus shortens inflationtime.
(3) increase valve to control the circulation of gas and to completely cut off at each connection part, effectively ensure its line seal performance; The multiple valve of free-open-close, can change gas mode of movement when not suspending gas treatment work.
In other embodiments, according to the air demand requirement of actual institute, joint can be the copper joint of DN40 or be the copper joint of DN20, and namely small-bore joint all selected by joint, or all selects bigbore joint.And the present embodiment both have selected small-bore joint, have selected again bigbore joint, so that the use of varying environment occasion.
Embodiments of the present invention are not limited thereto, according to foregoing of the present invention, according to ordinary technical knowledge and the customary means of related domain, do not departing under the present invention's above-mentioned basic fundamental thought prerequisite, the bore of joint bore of the present invention, public connecting tube, the position of interface on public connecting tube (distribution of joint on public connecting tube), the kind of valve, the material of joint also have other mode of execution.Therefore the present invention can also make the amendment of other various ways, replacement or change, all drops within rights protection scope of the present invention.

Claims (6)

1. an efficient SF 6gas treatment instrument, is characterized in that: it comprise tabular fixed base, be arranged on public connecting tube on fixed base with at least 4 for being connected SF 6the joint of equipment air chamber and evacuator, two vessel end closure of described public connecting tube, the pipe shaft of described public connecting tube is provided with at least 4 interfaces, and described joint correspondence is connected on interface.
2. efficient SF according to claim 1 6gas treatment instrument, is characterized in that: described joint is the copper joint of DN40 or is the copper joint of DN20.
3. efficient SF according to claim 1 6gas treatment instrument, it is characterized in that: described joint adopts 4 copper joints of DN40 and 6 copper joints of DN20, described public connecting tube internal diameter is DN40, described interface is 10, wherein 4 interfaces are positioned at the pipe shaft side of public connecting tube as DN40 interface, all the other 6 interfaces are positioned at the pipe shaft opposite side of public connecting tube as DN20 interface, 4 DN40 interfaces and 4 DN20 interface one_to_one corresponding, all the other 2 DN20 interfaces are positioned at two pipe ends of public connecting tube, the copper joint of DN40 is connected with DN40 interface, and the copper joint of DN20 is connected with DN20 interface.
4. efficient SF according to claim 3 6gas treatment instrument, is characterized in that: on the copper joint of described DN40 and the copper joint of DN20, be equipped with valve.
5. efficient SF according to claim 4 6gas treatment instrument, is characterized in that: described valve adopts ball valve.
6. efficient SF according to claim 5 6gas treatment instrument, is characterized in that: the copper joint of described DN40 and the copper joint of DN20 are respectively primarily of for being connected SF 6the straight-through connecting piece of equipment air chamber and evacuator, self-sealing head and described ball valve integrally welded composition successively.
CN201410503729.0A 2014-09-26 2014-09-26 Efficient SF6 gas processing tool CN104295886B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410503729.0A CN104295886B (en) 2014-09-26 2014-09-26 Efficient SF6 gas processing tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410503729.0A CN104295886B (en) 2014-09-26 2014-09-26 Efficient SF6 gas processing tool

Publications (2)

Publication Number Publication Date
CN104295886A true CN104295886A (en) 2015-01-21
CN104295886B CN104295886B (en) 2017-03-22

Family

ID=52315734

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410503729.0A CN104295886B (en) 2014-09-26 2014-09-26 Efficient SF6 gas processing tool

Country Status (1)

Country Link
CN (1) CN104295886B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105889750A (en) * 2016-06-27 2016-08-24 广东电网有限责任公司东莞供电局 Zero release aeration tool for sulfur hexafluoride gas

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09217897A (en) * 1996-02-14 1997-08-19 Hitachi Ltd Sf6 storing and feeding device, and storing and feeding methods thereof
KR20100043363A (en) * 2008-10-20 2010-04-29 정영옥 Load break switch for non-sf6 gas
CN201838766U (en) * 2010-09-29 2011-05-18 常州市德春电器有限公司 Jumper of high-pressure gas charging cabinet
CN201868315U (en) * 2010-11-05 2011-06-15 山东电力集团公司泰安供电公司 Sulfur hexafluoride gas-filling device
CN202048356U (en) * 2010-12-13 2011-11-23 山东电力集团公司临沂供电公司 Portable multipurpose sulfur hexafluoride electric equipment air charging device
CN103727338A (en) * 2012-10-10 2014-04-16 湖北省电力公司荆门供电公司 Sulfur hexafluoride breaker inflation universal connector
CN204254243U (en) * 2014-09-26 2015-04-08 广东电网有限责任公司东莞供电局 A kind of efficient SF 6gas treatment instrument

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09217897A (en) * 1996-02-14 1997-08-19 Hitachi Ltd Sf6 storing and feeding device, and storing and feeding methods thereof
KR20100043363A (en) * 2008-10-20 2010-04-29 정영옥 Load break switch for non-sf6 gas
CN201838766U (en) * 2010-09-29 2011-05-18 常州市德春电器有限公司 Jumper of high-pressure gas charging cabinet
CN201868315U (en) * 2010-11-05 2011-06-15 山东电力集团公司泰安供电公司 Sulfur hexafluoride gas-filling device
CN202048356U (en) * 2010-12-13 2011-11-23 山东电力集团公司临沂供电公司 Portable multipurpose sulfur hexafluoride electric equipment air charging device
CN103727338A (en) * 2012-10-10 2014-04-16 湖北省电力公司荆门供电公司 Sulfur hexafluoride breaker inflation universal connector
CN204254243U (en) * 2014-09-26 2015-04-08 广东电网有限责任公司东莞供电局 A kind of efficient SF 6gas treatment instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105889750A (en) * 2016-06-27 2016-08-24 广东电网有限责任公司东莞供电局 Zero release aeration tool for sulfur hexafluoride gas

Also Published As

Publication number Publication date
CN104295886B (en) 2017-03-22

Similar Documents

Publication Publication Date Title
CN104037641B (en) A kind of switch cubicle
CN202770954U (en) Test model for simulating point discharge
CN101609102A (en) Mesolow crosslinked cable industrial frequency withstand voltage, local discharge test terminal structure
CN101714449A (en) Transformer accessory replacing method
CN102340922B (en) Electron accelerator
CN103697324B (en) Electric equipment intelligent SF6 aerating device
CN105606850B (en) High voltage direct current supporting insulator experimental rig, pilot system and test method
CN202600103U (en) Independent metal tip defect model for partial discharge test of gas insulated switchgear (GIS)
CN201706192U (en) Multifunctional SF6 gas charging joint device
CN105132614B (en) Devaporizer cinder conveying device
CN103941100A (en) Intelligent device for measuring dielectric loss factor and insulation resistance of power transformer
KR20120039771A (en) System for recovering or supplying gas having sf6 gas meter
CN104132786A (en) Rapid leakage detecting method suitable for extra-high voltage converter transformers
CN201935847U (en) Detecting device for basin type insulator
CN102044849A (en) Box-sharing gas-insulated metal enclosed switching device
CN204824165U (en) Device is recycled to gaseous high -speed recovery of sulfur hexafluoride
CN201902823U (en) SF6 gas combined charging and discharging device
CN208919311U (en) A kind of transformer equipment SF6Gas permeation plugging device
CN2831394Y (en) Vacuum aerating device of SF high voltage circuit breaker
CN107370063A (en) Cable extends the functional module that do not have a power failure in GIS
CN102518908B (en) SF6 leakage plugging method of GIS (Gas Insulated Switchgear)
CN202493896U (en) Portable sulfur hexafluoride inflation device
CN201897021U (en) Connector device for SF6 (sulfur hexafluoride) switch moisture test
CN106799174A (en) A kind of SF6 and N2 gases mixing apparatus and inflation method
CN205051248U (en) High altitude cable deicing robot

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model