CN102921266B - Tail gas recovery device for sulfur hexafluoride gas test instrument - Google Patents
Tail gas recovery device for sulfur hexafluoride gas test instrument Download PDFInfo
- Publication number
- CN102921266B CN102921266B CN201210399570.3A CN201210399570A CN102921266B CN 102921266 B CN102921266 B CN 102921266B CN 201210399570 A CN201210399570 A CN 201210399570A CN 102921266 B CN102921266 B CN 102921266B
- Authority
- CN
- China
- Prior art keywords
- gas
- sulfur hexafluoride
- tail gas
- pipeline
- test apparatus
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a tail gas recovery device for a sulfur hexafluoride gas test instrument. The tail gas recovery device comprises an external gas storage tank and a main tail gas recovery device body, wherein the main tail gas recovery device body comprises a to-be-tested gas source inlet and a buffer tank; the to-be-tested gas source inlet is connected with a gas inlet of the sulfur hexafluoride gas test instrument through a gas connecting pipeline; a mass flow controller is arranged between the to-be-tested gas source inlet and the gas inlet of the instrument; one end of the buffer tank is connected with a tail gas outlet of the sulfur hexafluoride gas test instrument through a gas connecting pipeline, and the other end of the buffer tank is connected with a gas pump through a gas connecting pipeline; the gas pump is connected with a one-way valve through a gas connecting pipeline; the one-way valve is connected with one end of a recharging pipeline, and the other end of the recharging pipeline is connected with the external gas storage tank in a sealing mode; and recovered and compressed sulfur hexafluoride tail gas is conveyed to the external gas storage tank for storage. The tail gas recovery device can achieve zero discharge of the sulfur hexafluoride test tail gas, and has the advantages of high portability, high recycling capacity and wide application range.
Description
Technical field
The present invention relates to technical field of electric power, particularly relate to a kind of sulfur hexafluoride gas test apparatus device for recovering tail gas.
Background technology
In power industry, sulfur hexafluoride (SF6) gas is widely used in various high voltage electric equipment because of the insulation of its excellence and arc extinction performance, it is also a kind of important greenhouse gases simultaneously, its GWP(Global Warming Potential, global warming potential) be 23900 times of carbon dioxide (CO2), the United Nations Framework Convention on Climate Change (Kyodo Protocol) that the United Nations in 1998 formulates is listed in one of greenhouse gases affecting global environment.In addition, the faults such as the sulfur hexafluoride gas in electrical equipment also may discharge because of equipment, overheated produce multiple poisonous or hypertoxic gas.
According to the operation maintenance needs of sulfur hexafluoride electrical equipment, need regularly to carry out Multitest to sulfur hexafluoride gas, test tail gas is directly disposed to air, has contaminated environment, harm personal security and the large drawback of waste resource three.If to testing tail gas recycle and carrying out the rear recycling of suitably process, then above-mentioned three large drawbacks can be eliminated, reaches environmental protection, safety, economic triple benefit.
In prior art, normally directly bleed that sulfur hexafluoride gas is reclaimed from test apparatus offgas outlet simply by equipment such as vavuum pumps, but because most of sulfur hexafluoride gas test apparatus test result is to the pressure sensitive of gas, thisly directly the drift of test data can be caused from the recovery of bleeding of test apparatus offgas outlet.
In addition, at present for the large-scale sulfur hexafluoride gas retracting device that maintenance of electrical equipment operation uses, its volume is large and heavy, aims at upkeep operation design, is not suitable for the recovery of sulfur hexafluoride gas test tail gas; China Patent Publication No. is CN 201728038 U, denomination of invention is site-measurement tail gas recovering device of sulfur hexafluoride equipment disclosed in the patent of " site-measurement tail gas recovering device of sulfur hexafluoride equipment ", only for the recovery of sulfur hexafluoride gas humid test tail gas, but its volume is comparatively large (80 × 55 × 110cm) still, and the 45kg that weighs; In addition, also disclose a kind of easily for reclaiming the collection bag of sulfur hexafluoride gas test tail gas abroad, but only can simple gas transfer and can not compressing, and its recovery ability is very limited.
Summary of the invention
Excessive for solving the device volume existed in sulfur hexafluoride gas test tail gas recycle technology, reclaim technical problem limited in one's ability, the invention provides a kind of sulfur hexafluoride gas test apparatus device for recovering tail gas, it has small and exquisite, portable, highly versatile and the ability of recovery advantages of higher.
The invention provides a kind of sulfur hexafluoride gas test apparatus device for recovering tail gas, comprising: external air accumulator, device for recovering tail gas main body;
Described device for recovering tail gas main body comprises: the air source inlet to be checked be connected with the instrument air inlet of described sulfur hexafluoride gas test apparatus by gas connection pipe road;
Also being provided with between described air source inlet to be checked and described instrument air inlet for configuring sulfur hexafluoride gas flow according to the requirement of described sulfur hexafluoride gas test apparatus, making described sulfur hexafluoride gas test apparatus device for recovering tail gas be applicable to the mass flow controller of different sulfur hexafluoride gas test apparatus;
One end is connected with the instrument offgas outlet of described sulfur hexafluoride gas test apparatus, for the surge tank of the sulfur hexafluoride tail gas that buffer memory reclaims from described sulfur hexafluoride gas test apparatus by gas connection pipe road;
The other end of described surge tank is by the air pump of gas connection pipe road connection one for compressing described sulfur hexafluoride tail gas;
Described air pump connects a check valve by gas connection pipe road; Described check valve connects the one end recharging pipeline;
Described recharge pipeline the other end and described external air accumulator be tightly connected, be delivered in described external air accumulator store through reclaiming the sulfur hexafluoride tail gas after compression.
Wherein, described device also comprises electric-control system;
Described surge tank is equiped with the primary pressure sensor for detecting gas pressure in described surge tank, when detecting that in described surge tank, gas pressure rising reaches preset pressure value, to described electric-control system feedback signal, described electric-control system sends enabled instruction according to this signal to described air pump, so that the sulfur hexafluoride tail gas compression of buffer memory in described surge tank is delivered to described external air accumulator; At described air pump in described sulfur hexafluoride tail gas compression process, when described primary pressure sensor detects that the gas pressure in described surge tank is reduced to atmospheric value, quit work.
The described pipeline that recharges comprises first and recharges pipeline and second and recharge pipeline; The described first via is recharged pipeline and comprises the first magnetic valve, the first pressure sensor, first that are linked in sequence successively by gas connection pipe road and recharge mouth; Described second tunnel is recharged pipeline and comprises the second magnetic valve, the second pressure sensor, second that are linked in sequence successively by gas connection pipe road and recharge mouth;
When described air pump starts, sulfur hexafluoride tail gas in described surge tank enters first along described gas connection pipe road by described check valve and recharges pipeline under the effect of air pump, described first the first magnetic valve recharging pipeline is opened, and described sulfur hexafluoride tail gas recharges mouth by first and is delivered to described external air accumulator;
When the described first the first pressure sensor recharging pipeline detect this first recharge that on pipeline, gas pressure reaches preset pressure value time, signal is sent to described electric-control system, after described electric-control system receives this signal, control the second the second magnetic valve recharged on pipeline to open, described second recharges pipeline conducting, recharge mouth by second and sulfur hexafluoride tail gas is delivered to described external air accumulator, control the first closed electromagnetic valve simultaneously.
Wherein, described sulfur hexafluoride gas test apparatus comprises: sulfur hexafluoride dew point instrument, or sulfur hexafluoride purity instrument, or sulfur hexafluoride decomposition product instrument.
Wherein, described air pump is membrane pump.
Wherein, described mass flow controller, surge tank, primary pressure sensor, check valve, the first magnetic valve, the first pressure sensor, the second magnetic valve, the second pressure sensor adopt lightweight material to make.
Implement the present invention, there is following beneficial effect:
The present invention is applicable to reclaim the test tail gas of the test apparatuses such as sulfur hexafluoride hygronom, purity instrument, catabolite tester, can under the prerequisite not affecting the degree of accuracy of sulfur hexafluoride test apparatus test data, the sulfur hexafluoride gas discharged in process of the test is reclaimed, realize the zero-emission of sulfur hexafluoride gas test tail gas, there is the advantage of good portability (volume 48 × 38 × 22cm, heavy 15Kg), the ability that reclaims strong (testing the tail gas produced recyclable more than 40 times), (being applicable to multiple sulfur hexafluoride gas test instrument) applied widely.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
See Fig. 1, it is the structural representation of sulfur hexafluoride gas test apparatus device for recovering tail gas embodiment one provided by the invention.
See Fig. 2, it is the structural representation of sulfur hexafluoride gas test apparatus device for recovering tail gas embodiment two provided by the invention.
See Fig. 3, it is the structural representation of sulfur hexafluoride gas test apparatus device for recovering tail gas embodiment three provided by the invention.
Detailed description of the invention
Excessive for solving the device volume existed in sulfur hexafluoride gas test tail gas recycle technology, reclaim technical problem limited in one's ability, the invention provides a kind of small and exquisite, good portability, highly versatile, do not affect the degree of accuracy of sulfur hexafluoride gas test apparatus test data, Special back receiving apparatus that recovery ability is strong, while sulfur hexafluoride is tested, test tail gas is reclaimed, avoid directly discharge and pollute environment, harm personal security and the large drawback of waste resource three.
See Fig. 1, it is the structural representation of sulfur hexafluoride gas test apparatus device for recovering tail gas embodiment one provided by the invention.
The sulfur hexafluoride gas test apparatus device for recovering tail gas that the embodiment of the present invention one provides, comprising: device for recovering tail gas main body 1, external air accumulator 2;
Sulfur hexafluoride gas test apparatus device for recovering tail gas needs to receive sulfur hexafluoride gas test apparatus 4, reclaims the tail gas of its release.
Sulfur hexafluoride gas test apparatus 4 comprises instrument air inlet 41 and test apparatus main body 42 and instrument offgas outlet 43.
Sulfur hexafluoride gas test apparatus device for recovering tail gas main body 1 comprises: air source inlet 11 to be checked, surge tank 16, air pump 18, check valve 19, recharge the critical pieces such as pipeline 13.
The air source inlet to be checked 11 of sulfur hexafluoride gas test apparatus device for recovering tail gas main body 1 is connected by the instrument air inlet 41 of gas connection pipe road with described sulfur hexafluoride gas test apparatus 4, inputs sulfur hexafluoride gas for the test apparatus main body 42 to sulfur hexafluoride gas test apparatus 4;
Different sulfur hexafluoride gas test apparatuses is applicable in order to make described sulfur hexafluoride gas test apparatus device for recovering tail gas, between air source inlet 11 to be checked and the instrument air inlet 41 of sulfur hexafluoride gas test apparatus 4, be also provided with the mass flow controller 12 that can configure gas flow according to the requirement of described sulfur hexafluoride gas test apparatus, this mass flow controller also plays and keeps constant flow to avoid result of the test to cause the effect of deviation because of flowed fluctuation.
One end of surge tank 16 is connected with the instrument offgas outlet 43 of described sulfur hexafluoride gas test apparatus 4, for the sulfur hexafluoride tail gas that buffer memory reclaims from the test apparatus main body 42 of described sulfur hexafluoride gas test apparatus 4 by gas connection pipe road;
The other end of surge tank 16 connects the air pump 18 compressed sulfur hexafluoride tail gas by gas connection pipe road; Air pump 18 connects check valve 19 by gas connection pipe road; Check valve 19 connection recharges pipeline 13; When air pump 18 starts, compressed by the sulfur hexafluoride tail gas in surge tank 16, check valve 19 is opened, and sulfur hexafluoride tail gas after compression is transported in external air accumulator 2 stores through recharging pipeline 13.
See Fig. 2, it is the structural representation of sulfur hexafluoride gas test apparatus device for recovering tail gas embodiment two provided by the invention.
More stably work to make sulfur hexafluoride gas test apparatus device for recovering tail gas, and compress to reclaiming the control that sulfur hexafluoride tail gas carries out automation more, the sulfur hexafluoride gas test apparatus device for recovering tail gas that the present embodiment two provides, except comprising all parts of embodiment one, also comprises electric-control system 3; Further, surge tank 16 is equiped with the primary pressure sensor 17 for detecting gas pressure in described surge tank 16.
This primary pressure sensor 17 reaches preset pressure value (this preset pressure value is through the upper pressure limit value of the guarantee sulfur hexafluoride test apparatus the data precision of testing and verification detecting in described surge tank 16 that gas pressure raises, can regulate according to actual needs) time, to described electric-control system 3 feedback signal, described electric-control system 3 sends enabled instruction according to this signal to described air pump 18, air pump 18 starts, compression process is carried out to the sulfur hexafluoride tail gas of buffer memory in described surge tank 16, and by recharging pipeline 13 or recharging pipeline 14, tail gas is delivered to described external air accumulator 2, at described air pump 18 in described sulfur hexafluoride tail gas compression process, when described primary pressure sensor 17 detects that the gas pressure in described surge tank 16 is reduced to atmospheric value, quit work.Design like this, both can reclaim sulfur hexafluoride gas and carry out Automated condtrol, pressure in surge tank is between atmospheric pressure and preset pressure value all the time, it also avoid and reclaim sulfur hexafluoride tail gas and make the problem of sulfur hexafluoride gas experimental test data wander.
See Fig. 3, it is the structural representation of sulfur hexafluoride gas test apparatus device for recovering tail gas embodiment three provided by the invention.
In the present embodiment three, recharge pipeline 13 and be subdivided into two-way and recharge pipeline, wherein the first via is recharged pipeline and comprises the first magnetic valve 130, first pressure sensor 131, first be linked in sequence successively by gas connection pipe road and recharge mouth 132; Second tunnel is recharged pipeline and comprises the second magnetic valve 133, second pressure sensor 134, second be linked in sequence successively by gas connection pipe road and recharge mouth 135;
When described air pump 18 is subject to the control of electric-control system 3 and starts, sulfur hexafluoride tail gas in described surge tank 16 enters first along described gas connection pipe road by described check valve 19 and recharges pipeline under the effect of air pump 18, described first the first magnetic valve 130 recharging pipeline is opened, and described sulfur hexafluoride tail gas recharges mouth 131 by first and is delivered to described external air accumulator; Meanwhile, the first pressure sensor 131 Real-Time Monitoring this first recharge gas pressure value on pipeline.
When the described first the first pressure sensor 131 recharging pipeline detects that this first recharges gas pressure on pipeline and reach preset pressure value and (can regulate as required, and can be different from the value that primary pressure sensor 17 is arranged) time, signal is sent to described electric-control system 3, after described electric-control system 3 receives this signal, control the second the second magnetic valve 133 recharged on pipeline to open, described second recharges pipeline conducting, recharge mouth 135 by second and sulfur hexafluoride tail gas is delivered to described external air accumulator 2, control the first magnetic valve 130 simultaneously and close.Meanwhile, second the second pressure sensor 134 recharged on pipeline starts to monitor second and recharges gas pressure value on pipeline, (can regulate as required equally when the second gas pressure recharged on pipeline reaches preset pressure value, and can be different from the value that primary pressure sensor 17 is arranged) time, send signal to described electric-control system 3, electric-control system 3 controls first, and to recharge pipeline open-minded.
The two-way that the present embodiment three does recharges the design of pipeline, and two-way recharges pipeline and takes turns to operate, and can guarantee that sulfur hexafluoride tail gas is discharged in external air accumulator 2 in time.
The present invention the sulfur hexafluoride gas test apparatus that is suitable for comprise: sulfur hexafluoride dew point instrument, or sulfur hexafluoride purity instrument, or sulfur hexafluoride decomposition product instrument.
In addition, in specific implementation, described air pump is membrane pump; Mass flow controller, surge tank, primary pressure sensor, check valve, the first magnetic valve, the first pressure sensor, the second magnetic valve, the second pressure sensor adopt lightweight material to make.
Described air pump particularly adopts the NPK09DC type membrane pump of KNF, and its quality is little and compressed capability strong, while guarantee sulfur hexafluoride tail gas recycle ability, control installation weight; And other elements also adopt lightweight material under the prerequisite of assurance function, reliability, the weight only heavy 15Kg of whole device, achieves the portability of device.
Implement the present invention, there is following beneficial effect:
The present invention is applicable to reclaim the test tail gas of the test apparatuses such as sulfur hexafluoride hygronom, purity instrument, catabolite tester, can under the prerequisite not affecting the degree of accuracy of sulfur hexafluoride test apparatus test data, the sulfur hexafluoride gas discharged in process of the test is reclaimed, realize the zero-emission of sulfur hexafluoride gas test tail gas, there is the advantage of good portability (volume 48 × 38 × 22cm, heavy 15Kg), the ability that reclaims strong (testing the tail gas produced recyclable more than 40 times), (being applicable to multiple sulfur hexafluoride gas test instrument) applied widely.
It should be noted that; what the present invention described is a kind of product form of sulfur hexafluoride gas test apparatus device for recovering tail gas; other meets the product of structure of the present invention; even if order etc. put by material, device name, outward appearance, device, not affect the factor of product performance not identical, still belongs to the scope of protection of the invention.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. a sulfur hexafluoride gas test apparatus device for recovering tail gas, is characterized in that, comprising: external air accumulator, device for recovering tail gas main body;
Described device for recovering tail gas main body comprises: the air source inlet to be checked be connected with the instrument air inlet of described sulfur hexafluoride gas test apparatus by gas connection pipe road;
Also being provided with between described air source inlet to be checked and described instrument air inlet for configuring sulfur hexafluoride gas flow according to the requirement of described sulfur hexafluoride gas test apparatus, making described sulfur hexafluoride gas test apparatus device for recovering tail gas be applicable to the mass flow controller of different sulfur hexafluoride gas test apparatus;
One end is connected with the instrument offgas outlet of described sulfur hexafluoride gas test apparatus, for the surge tank of the sulfur hexafluoride tail gas that buffer memory reclaims from described sulfur hexafluoride gas test apparatus by gas connection pipe road;
The other end of described surge tank is by the air pump of gas connection pipe road connection one for compressing described sulfur hexafluoride tail gas;
Described air pump connects a check valve by gas connection pipe road; Described check valve connects the one end recharging pipeline;
Described recharge pipeline the other end and described external air accumulator be tightly connected, be delivered in described external air accumulator store through reclaiming the sulfur hexafluoride tail gas after compression;
Wherein, described device also comprises electric-control system;
Described surge tank is equiped with the primary pressure sensor for detecting gas pressure in described surge tank, when detecting that in described surge tank, gas pressure rising reaches preset pressure value, to described electric-control system feedback signal, described electric-control system sends enabled instruction according to this signal to described air pump, so that the sulfur hexafluoride tail gas compression of buffer memory in described surge tank is delivered to described external air accumulator; At described air pump in described sulfur hexafluoride tail gas compression process, when described primary pressure sensor detects that the gas pressure in described surge tank is reduced to atmospheric value, quit work;
Wherein, recharge pipeline described in comprise first and recharge pipeline and second and recharge pipeline; Described first recharges pipeline is comprised the first magnetic valve, the first pressure sensor, first that are linked in sequence successively by gas connection pipe road and recharges mouth; Described second recharges pipeline is comprised the second magnetic valve, the second pressure sensor, second that are linked in sequence successively by gas connection pipe road and recharges mouth;
When described air pump starts, sulfur hexafluoride tail gas in described surge tank enters first along described gas connection pipe road by described check valve and recharges pipeline under the effect of air pump, described first the first magnetic valve recharging pipeline is opened, and described sulfur hexafluoride tail gas recharges mouth by first and is delivered to described external air accumulator;
When the described first the first pressure sensor recharging pipeline detect this first recharge that on pipeline, gas pressure reaches preset pressure value time, signal is sent to described electric-control system, after described electric-control system receives this signal, control the second the second magnetic valve recharged on pipeline to open, described second recharges pipeline conducting, recharge mouth by second and sulfur hexafluoride tail gas is delivered to described external air accumulator, control the first closed electromagnetic valve simultaneously.
2. sulfur hexafluoride gas test apparatus device for recovering tail gas as claimed in claim 1, it is characterized in that, described sulfur hexafluoride gas test apparatus comprises: sulfur hexafluoride dew point instrument, or sulfur hexafluoride purity instrument, or sulfur hexafluoride decomposition product instrument.
3. sulfur hexafluoride gas test apparatus device for recovering tail gas as claimed in claim 2, it is characterized in that, described air pump is membrane pump.
4. sulfur hexafluoride gas test apparatus device for recovering tail gas as claimed in claim 3, it is characterized in that, described mass flow controller, surge tank, primary pressure sensor, check valve, the first magnetic valve, the first pressure sensor, the second magnetic valve, the second pressure sensor adopt lightweight material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210399570.3A CN102921266B (en) | 2012-10-19 | 2012-10-19 | Tail gas recovery device for sulfur hexafluoride gas test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210399570.3A CN102921266B (en) | 2012-10-19 | 2012-10-19 | Tail gas recovery device for sulfur hexafluoride gas test instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102921266A CN102921266A (en) | 2013-02-13 |
| CN102921266B true CN102921266B (en) | 2015-04-22 |
Family
ID=47636277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210399570.3A Active CN102921266B (en) | 2012-10-19 | 2012-10-19 | Tail gas recovery device for sulfur hexafluoride gas test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102921266B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495443A (en) * | 2013-09-29 | 2014-01-08 | 广州供电局有限公司 | Centralized control recycling device and method for waste gas in laboratory |
| CN105807670B (en) * | 2016-05-10 | 2019-05-07 | 贵州电网有限责任公司电力科学研究院 | A kind of " no pollution " blowback device |
| CN106402654A (en) * | 2016-09-21 | 2017-02-15 | 河南平高电气股份有限公司 | Recycling device for tail gas of detector and sulfur hexafluoride gas detection device |
| CN106501447A (en) * | 2016-10-14 | 2017-03-15 | 国网江西省电力公司电力科学研究院 | A kind of method that sulfur hexafluoride gas humidity is accurately measured online in GIS transformer stations |
| CN106546887B (en) * | 2016-11-04 | 2019-11-19 | 国网山东省电力公司电力科学研究院 | A kind of SF6Decompose simulating experimental system and its emulation experiment method |
| CN106989267A (en) * | 2017-03-31 | 2017-07-28 | 南京南瑞集团公司 | SF6 in-situs testers device for recovering tail gas and method for recovering tail gas |
| CN106979994B (en) * | 2017-05-17 | 2023-04-07 | 广东电网有限责任公司电力科学研究院 | Portable device for recovering and recycling test tail gas |
| CN107694278A (en) * | 2017-11-10 | 2018-02-16 | 贵州电网有限责任公司 | A kind of sulfur hexafluoride experiment zero-emission retracting device and its operating method |
| CN109631992A (en) * | 2018-12-12 | 2019-04-16 | 云南电网有限责任公司电力科学研究院 | A kind of measuring device and method applied in arc extinguishing |
| CN111678036A (en) * | 2020-05-25 | 2020-09-18 | 国网黑龙江省电力有限公司电力科学研究院 | Sulfur hexafluoride tail gas recovery device |
| CN112520704B (en) * | 2020-11-26 | 2024-04-26 | 河南省日立信股份有限公司 | Sulfur hexafluoride gas recovery device and recovery rate measurement method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201728038U (en) * | 2010-06-10 | 2011-02-02 | 安徽省电力公司淮北供电公司 | Sulphur hexafluoride equipment on-site measurement tail gas recovery device |
-
2012
- 2012-10-19 CN CN201210399570.3A patent/CN102921266B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201728038U (en) * | 2010-06-10 | 2011-02-02 | 安徽省电力公司淮北供电公司 | Sulphur hexafluoride equipment on-site measurement tail gas recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102921266A (en) | 2013-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102921266B (en) | Tail gas recovery device for sulfur hexafluoride gas test instrument | |
| CN202823087U (en) | Tail gas recovery device of sulfur hexafluoride gas testing instrument | |
| CN101877287A (en) | Site-measurement tail gas recovering device of sulfur hexafluoride equipment | |
| CN111638160B (en) | High-pressure hydrogen detection system and detection method thereof | |
| CN103463925B (en) | Based on the device for recovering tail gas of control method for pressure balance | |
| CN107892279B (en) | Sulfur hexafluoride gas electrified purification treatment device and method | |
| CN201974278U (en) | Gas-tight tester | |
| CN202421160U (en) | Environment-friendly real-time detector for analyzing ingredients of sulfur hexafluoride gas | |
| CN209910920U (en) | Device for detecting battery leakage | |
| CN104792481A (en) | Device and method for detecting leakproofness of oil gas recycling systems of oil tank trucks | |
| CN203479582U (en) | Online sampling and measurement device for high-voltage switch SF6 gas decomposition products | |
| CN106402654A (en) | Recycling device for tail gas of detector and sulfur hexafluoride gas detection device | |
| CN112516746A (en) | C4F7N/CO2Mixed gas recovery and purification device | |
| CN103495443A (en) | Centralized control recycling device and method for waste gas in laboratory | |
| CN202793693U (en) | Housing detection gas recovery device | |
| CN102520121A (en) | Environment-friendly type real-time detection apparatus for analysis of components in sulfur hexafluoride gas and method used therein | |
| CN206292647U (en) | A kind of device of controllable metal-air battery electrochemical property test atmosphere | |
| CN203053946U (en) | Sulfur hexafluoride gas detection device with recharging function | |
| CN201728038U (en) | Sulphur hexafluoride equipment on-site measurement tail gas recovery device | |
| CN107356712A (en) | A kind of SF6Analyte detector calibration equipment | |
| CN207012771U (en) | Sulfur hexafluoride and nitrogen mixed gas recovery separating-purifying device | |
| CN105484713B (en) | A kind of experimental method and device of the exploitation of simulation shale gas reservoir | |
| CN102147316A (en) | Tightness tester | |
| CN110314486A (en) | A kind of Portable sulphur hexafluoride tail gas recycle and purification device | |
| CN104162343A (en) | Onsite small-volume recovery device for sulfur hexafluoride electrical equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |