CN102495175A - Zero discharge device and working method for detecting sulfur hexafluoride gas - Google Patents
Zero discharge device and working method for detecting sulfur hexafluoride gas Download PDFInfo
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- CN102495175A CN102495175A CN2011103668942A CN201110366894A CN102495175A CN 102495175 A CN102495175 A CN 102495175A CN 2011103668942 A CN2011103668942 A CN 2011103668942A CN 201110366894 A CN201110366894 A CN 201110366894A CN 102495175 A CN102495175 A CN 102495175A
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Abstract
The invention relates to a zero discharge device for detecting sulfur hexafluoride (SF) 6 gas, comprising a gas tank, a vacuum pump for evacuating gas in the gas tank and a connecting pipe, and an air-feed pump connected with the gas tank, wherein the gas tank is connected with an exhaust port of a gas detector through a first automatic valve, the gas outlet of the air-feed pump is connected with an air inlet of a device detected through a second automatic valve; a controller is used for successively controlling the working states of the vacuum pump, the first automatic valve, the air-feed pump and the second automatic valve; a pressure sensor connected with the controller is arranged in the gas tank and the gas tank automatically keeps a vacuum standby state before the first automatic valve opens; after the gas detector completes the gas detection of the device detected, the exhaust port is opened; meanwhile, the first automatic valve is controlled to open and inhale the gas in the gas detector into the gas tank, then the first automatic valve is closed and the air-feed pump and the second automatic valve are successively opened to send the gas in the gas tank to the device detected, thus the zero discharge of the gas detection is realized.
Description
Technical field
The present invention relates to a kind of SF
6Gas detection is with Zero emission device and method of work thereof.
Background technology
Sulfur hexafluoride (SF
6) gas classified as one of six big greenhouse gases that Kyoto Protocol need reduce discharging.SF
6Be widely used in the industries such as electrical equipment, magnalium smelting processing and liquid crystal manufacturing SF
6Concentration relatively very little, but it increases sharply, and its global warming potential is CO
222800 times.
SF
6Gas application has enjoyed the whole world to pay close attention to greenhouse effect and problem of environmental pollution that discharging is caused.Reduce SF
6Gas emissions has become one of important means of control greenhouse gas emission, also is the social responsibility in the whole world.The reduction of greenhouse gas discharge pressure of China is increasing, and country has confirmed to the year two thousand twenty carbon emission reduction target, with the reply Global climate change, and plans carbon emission reduction and lists in " 12 " national economic development planning.
Because of SF
6Have good electrical insulation properties, excellent arc extinction performance, heat-conductive characteristic is good, stability is strong, and be prone to compound, be prone to storage, use economic dispatch characteristics enjoy people's attention.Be widely used in as: isolating switch, high-voltage switch gear, high-tension transformer, sealing gland are closed combined capacitor, hv transmission line, mutual inductor etc.
Newly-increased at present SF
6Gas is mainly used in power industry device fabrication and the electrical apparatus insulation, wherein with SF
6Isolating switch and SF6 on-load switch equipment, SF
6Insulation transmission of electricity pipeline, SF
6Transformer and SF
6The SF of the electrical equipment that insulation transformer station etc. are 4 types
6Gas usage is bigger.These power transmission and transforming equipments need regularly carry out SF
6Purity detecting is to guarantee its electrical insulation properties and arc extinction performance.
Carrying out SF
6In the process of purity detecting, often there is SF
6The situation that gas leaks causes environmental pollution.How to address this problem, be the technical barrier of this area.
Summary of the invention
The technical matters that the present invention will solve provide a kind of simple in structure, carrying out SF
6Be suitable for realizing SF in the gas detection process
6The SF of gas zero-emission
6Gas detection is with Zero emission device and method of work thereof.
In order to solve the problems of the technologies described above, the invention provides a kind of SF
6Gas detection is used Zero emission device, comprising: gas-holder, the vacuum pump that is used for the gas in this gas-holder of emptying and the connecting line, the air delivery pump that the gas access links to each other with said gas-holder; Said gas-holder is through first autovalve and be used to detect the SF in the equipment under test
6The exhausr port of the gas detecting instrument of gas links to each other; The gas outlet of said air delivery pump links to each other with the air intake opening of equipment under test through second autovalve.
For realizing robotization control, said first, second autovalve links to each other with a controller through the autovalve driving circuit respectively, and this controller also links to each other with air delivery pump with said vacuum pump through motor-drive circuit respectively.
Said built in gas tank has the pressure transducer that links to each other with said controller; With the air pressure in the said gas-holder of monitoring before said first autovalve is not opened as yet; And the air pressure in gas-holder is when being higher than first preset value; Automatically open said vacuum pump, when the air pressure in said gas-holder is lower than second preset value, close said vacuum pump; Said controller also is connected with the button control circuit, successively to control the duty of said vacuum pump, first autovalve, air delivery pump and second autovalve.
For purifying the gas that gets into gas-holder, also go here and there on the pipeline between the exhausr port of said gas detecting instrument and the air intake opening of said gas-holder and be provided with contaminant filter and the oil-gas separator that is used for filtering particle impurity.
Be the degree of purity of the gas of guaranteeing to send back to equipment under test, string is provided with and is used for adsorption moisture and SF between the gas outlet of said air delivery pump and the air intake opening of equipment under test
6The water of decomposing gas thing and decomposing gas thing adsorber thereof.
Above-mentioned SF
6Gas detection comprises the steps: with the method for work of Zero emission device
A, button control circuit output control command are controlled the gas in the vacuum pump emptying gas-holder earlier by controller, and be subsequent use; In this stand-by state; Said controller is according to the air pressure in the said gas-holder of this pressure sensor monitoring; And do not open as yet and air pressure in the gas-holder when being higher than first preset value at said first autovalve; Open said vacuum pump, when the air pressure in said gas-holder is lower than second preset value, close said vacuum pump;
B, treat that gas detecting instrument accomplishes after the gas detection in the equipment under test, open exhausr port; At this moment, button control circuit output control command controls that first autovalve is opened and under the suction function of gas-holder, with the SF in the gas detecting instrument
6Gas sucks gas-holder through contaminant filter and oil-gas separator successively, closes first autovalve then;
C, open the air delivery pump and second autovalve successively, with the SF in the gas-holder
6Gas is sent equipment under test back to through water and decomposing gas thing adsorber.
Technique scheme of the present invention is compared prior art and is had the following advantages: SF of the present invention
6When gas detection was worked with Zero emission device, said button control circuit output control command is controlled the gas in the vacuum pump emptying gas-holder earlier by controller, and was subsequent use; Treat that gas detecting instrument accomplishes after the gas detection in the equipment under test, open exhausr port; At this moment, button control circuit output control command controls that first autovalve is opened and under the suction function of gas-holder, the gas in the gas detecting instrument is sucked gas-holder, closes first autovalve then; Open the air delivery pump and second autovalve then successively, send the gas in the gas-holder back to equipment under test, finally realized the zero-emission of gas detection.
Description of drawings
For content of the present invention is more clearly understood, below basis specific embodiment and combine accompanying drawing, the present invention is done further detailed explanation, wherein
Fig. 1 is the SF among the embodiment
6Gas detection is with the structural representation of Zero emission device;
Fig. 2 is the SF among the embodiment
6Gas detection is with the circuit block diagram of Zero emission device.
Embodiment
See Fig. 1-2, the SF of present embodiment
6Gas detection is used Zero emission device, comprising: gas-holder 1, the vacuum pump 2 that is used for the gas in this gas-holder 1 of emptying and the connecting line, the air delivery pump 3 that the gas access links to each other with said gas-holder 1; Said gas-holder 1 is through first autovalve 4 and be used to detect the SF in the equipment under test 6
6The exhausr port of the gas detecting instrument 7 of gas links to each other; The gas outlet of said air delivery pump 3 links to each other with the air intake opening of equipment under test 6 through second autovalve 5.
Equipment under test 6 is SF
6Isolating switch, SF6 on-load switch equipment, SF
6Insulation transmission of electricity pipeline, SF
6Transformer or SF
6Insulation transformer station etc.SF in the equipment under test 6
6The pressure limit of gas: 0.1-1.0Mpa.
For realizing robotization control, said first, second autovalve 4,5 links to each other with 14 1 controllers 11 through the autovalve driving circuit respectively, and this controller 11 also links to each other with air delivery pump 3 with said vacuum pump 2 through motor-drive circuit 13 respectively.
Said controller 11 also is connected with button control circuit 12, successively to control the duty of said vacuum pump 2, first autovalve 4, air delivery pump 3 and second autovalve 5.
Be provided with the pressure transducer 15 that links to each other with said controller 11 in the said gas-holder 1; With the air pressure in the said gas-holder 1 of monitoring before said first autovalve 4 is not opened as yet; And the air pressure in gas-holder 1 is when being higher than first preset value; Automatically open said vacuum pump 2, when the air pressure in said gas-holder 1 is lower than second preset value, close said vacuum pump 2.
Also go here and there on the pipeline between the air intake opening of the exhausr port of said gas detecting instrument 7 and said gas-holder 1 and be provided with the contaminant filter 8 and oil-gas separator 9 that is used for filtering particle impurity, to purify the gas that gets in the gas-holder 1.
The resolution characteristic of SF6 gas: the decomposition of SF6 gas mainly contains three kinds of situation: the decomposition under arcing; Decomposition under corona, spark and shelf depreciation; Catalytic decomposition at high temperature.Pure SF6 does not have corrosion, but its analyte can become the corrosivity electrolyte after meeting water, can cause damage and operation troubles to some material of device interior.For this reason, string is provided with and is used for adsorption moisture and SF between the air intake opening of the gas outlet of said air delivery pump 3 and equipment under test 6
6The water of decomposing gas thing and decomposing gas thing adsorber 10 thereof have higher degree of purity to guarantee the gas of sending equipment under test 6 back to.
Adsorbents adsorb moisture and SF in water and the decomposing gas thing adsorber 10 thereof
6Decomposing gas thing, adsorbent can adopt aluminium oxide, soda-lime, molecular sieve or their potpourri.
During work, said button control circuit 12 output control commands are controlled the gas in the vacuum pump 2 emptying gas-holder 1 earlier by controller 11, and are subsequent use; Treat that gas detecting instrument 7 accomplishes after the gas detection in the equipment under test 6, treat that gas detecting instrument 7 opens exhausr port; At this moment, button control circuit 12 output control commands control that first autovalve 4 is opened and under the suction function of gas-holder 1, the gases in the gas detecting instrument 7 are sucked gas-holder 1, close first autovalve 4 then; Open the air delivery pump 3 and second autovalve 5 then successively, send the gas in the gas-holder 1 back to equipment under test 6, close the air delivery pump 3 and second autovalve 5 at last, realized the zero-emission of gas detection.
Embodiment 2
SF in the foregoing description
6Gas detection comprises the steps: with the method for work of Zero emission device
A, button control circuit output control command are controlled the gas in the vacuum pump 2 emptying gas-holder 1 earlier by controller 11, and be subsequent use; In this stand-by state; Said controller 11 is according to the air pressure in the said gas-holder 1 of these pressure transducer 15 monitorings; And do not open as yet and air pressure in the gas-holder 1 when being higher than first preset value at said first autovalve 4; Open said vacuum pump 2, when the air pressure in said gas-holder 1 is lower than second preset value, close said vacuum pump 2; Said first preset value is greater than second preset value.During practical implementation, said first preset value is 800Pa, and second preset value is below the 500Pa.
B, treat that gas detecting instrument 7 accomplishes after the gas detection in the equipment under test 6, open exhausr port; At this moment, button control circuit 12 output control commands control that first autovalve 4 is opened and under the suction function of gas-holder 1, with the SF in the gas detecting instrument 7
6Gas sucks gas-holder 1 through contaminant filter 8 and oil-gas separator 9 successively, closes first autovalve 4 then.
C, open the air delivery pump 3 and second autovalve 5 successively, with the SF in the gas-holder 1
6Gas is sent equipment under test 6 back to through water and decomposing gas thing adsorber 10.
Obviously, the foregoing description only be for clearly the present invention is described and is done for example, and be not to be qualification to embodiment of the present invention.For the those of ordinary skill in affiliated field, can also make other multi-form variation or change on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (3)
1. SF
6Gas detection is used Zero emission device, it is characterized in that comprising: gas-holder (1), the vacuum pump (2) that is used for the gas in this gas-holder of emptying (1) and the connecting line, the air delivery pump (3) that the gas access links to each other with said gas-holder (1); Said gas-holder (1) is through first autovalve (4) and the SF that is used to detect in the equipment under test (6)
6The exhausr port of the gas detecting instrument of gas (7) links to each other; The gas outlet of said air delivery pump (3) links to each other with the air intake opening of equipment under test (6) through second autovalve (5); Said first, second autovalve (4,5) links to each other with a controller (11) through autovalve driving circuit (14) respectively, and this controller (11) also links to each other with air delivery pump (3) with said vacuum pump (2) through motor-drive circuit (13) respectively;
Be provided with the pressure transducer (15) that links to each other with said controller (11) in the said gas-holder (1); With the air pressure in the said gas-holder of monitoring (1) before said first autovalve (4) is not opened as yet; And the air pressure in gas-holder (1) is when being higher than first preset value; Automatically open said vacuum pump (2), when the air pressure in said gas-holder (1) is lower than second preset value, close said vacuum pump (2);
Said controller (11) also is connected with button control circuit (12), successively to control the duty of said vacuum pump (2), first autovalve (4), air delivery pump (3) and second autovalve (5).
2. SF according to claim 1
6Gas detection is used Zero emission device, it is characterized in that: also go here and there on the pipeline between the air intake opening of the exhausr port of said gas detecting instrument (7) and said gas-holder (1) and be provided with contaminant filter (8) and the oil-gas separator (9) that is used for filtering particle impurity;
String is provided with and is used for adsorption moisture and SF between the air intake opening of the gas outlet of said air delivery pump (3) and equipment under test (6)
6The water of decomposing gas thing and decomposing gas thing adsorber (10) thereof.
3. SF
6Gas detection is characterized in that comprising the steps: with the method for work of Zero emission device
A, button control circuit output control command are controlled the gas in vacuum pump (2) the emptying gas-holder (1) earlier by controller (11), and be subsequent use; In this stand-by state; Said controller (11) is monitored the air pressure in the said gas-holder (1) according to this pressure transducer (15); And do not open as yet and air pressure in the gas-holder (1) when being higher than first preset value at said first autovalve (4); Open said vacuum pump (2), when the air pressure in said gas-holder (1) is lower than second preset value, close said vacuum pump (2);
B, treat that gas detecting instrument (7) accomplishes after the gas detection in the equipment under test (6), open exhausr port; At this moment, button control circuit (12) output control command controls that first autovalve (4) is opened and under the suction function of gas-holder (1), with the SF in the gas detecting instrument (7)
6Gas sucks gas-holder (1) through contaminant filter (8) and oil-gas separator (9) successively, closes first autovalve (4) then;
C, open air delivery pump (3) and second autovalve (5) successively, with the SF in the gas-holder (1)
6Gas is sent equipment under test (6) back to through water and decomposing gas thing adsorber (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103668942A CN102495175A (en) | 2011-11-18 | 2011-11-18 | Zero discharge device and working method for detecting sulfur hexafluoride gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103668942A CN102495175A (en) | 2011-11-18 | 2011-11-18 | Zero discharge device and working method for detecting sulfur hexafluoride gas |
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| Publication Number | Publication Date |
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| CN102495175A true CN102495175A (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103668942A Pending CN102495175A (en) | 2011-11-18 | 2011-11-18 | Zero discharge device and working method for detecting sulfur hexafluoride gas |
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| Country | Link |
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| CN (1) | CN102495175A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807670A (en) * | 2016-05-10 | 2016-07-27 | 贵州电网有限责任公司电力科学研究院 | Zero-pollution pump-back device and operating method thereof |
| CN106405021A (en) * | 2016-12-17 | 2017-02-15 | 国网福建省电力有限公司 | Gas detecting and reusing integrated device for electrical SF6 equipment and reusing method of gas detecting and reusing integrated 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 |
| CN110954788A (en) * | 2019-10-28 | 2020-04-03 | 国网河北省电力有限公司电力科学研究院 | Gas component monitoring device, equipment running state monitoring method and terminal equipment |
| CN112748217A (en) * | 2020-12-14 | 2021-05-04 | 河南平高电气股份有限公司 | On-line detection device and gas recovery system using same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2646415Y (en) * | 2003-03-25 | 2004-10-06 | 江苏苏源云集科技发展有限公司 | SF#-[6] recovery device for pumping and filling |
| KR200437124Y1 (en) * | 2006-11-27 | 2007-11-06 | 주식회사 동남 | SF6 gas recycling equipment having SF6 measuring instrument |
| CN101125643A (en) * | 2007-08-08 | 2008-02-20 | 安徽省电力科学研究院 | Sulfur hexafluoride reclaiming and recharging device |
| CN101877287A (en) * | 2010-06-10 | 2010-11-03 | 安徽省电力公司淮北供电公司 | Site-measurement tail gas recovering device of sulfur hexafluoride equipment |
| CN201828557U (en) * | 2010-10-22 | 2011-05-11 | 河南省电力公司濮阳供电公司 | Sulfur hexafluoride micro-water factor device |
| CN202006063U (en) * | 2010-12-28 | 2011-10-12 | 西安亚能电气有限责任公司 | Gas recovery device for SF6 (sulfur fluoride) density relay calibrator |
-
2011
- 2011-11-18 CN CN2011103668942A patent/CN102495175A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2646415Y (en) * | 2003-03-25 | 2004-10-06 | 江苏苏源云集科技发展有限公司 | SF#-[6] recovery device for pumping and filling |
| KR200437124Y1 (en) * | 2006-11-27 | 2007-11-06 | 주식회사 동남 | SF6 gas recycling equipment having SF6 measuring instrument |
| CN101125643A (en) * | 2007-08-08 | 2008-02-20 | 安徽省电力科学研究院 | Sulfur hexafluoride reclaiming and recharging device |
| CN101877287A (en) * | 2010-06-10 | 2010-11-03 | 安徽省电力公司淮北供电公司 | Site-measurement tail gas recovering device of sulfur hexafluoride equipment |
| CN201828557U (en) * | 2010-10-22 | 2011-05-11 | 河南省电力公司濮阳供电公司 | Sulfur hexafluoride micro-water factor device |
| CN202006063U (en) * | 2010-12-28 | 2011-10-12 | 西安亚能电气有限责任公司 | Gas recovery device for SF6 (sulfur fluoride) density relay calibrator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807670A (en) * | 2016-05-10 | 2016-07-27 | 贵州电网有限责任公司电力科学研究院 | Zero-pollution pump-back device and operating method thereof |
| 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 |
| CN106405021A (en) * | 2016-12-17 | 2017-02-15 | 国网福建省电力有限公司 | Gas detecting and reusing integrated device for electrical SF6 equipment and reusing method of gas detecting and reusing integrated device |
| CN110954788A (en) * | 2019-10-28 | 2020-04-03 | 国网河北省电力有限公司电力科学研究院 | Gas component monitoring device, equipment running state monitoring method and terminal equipment |
| CN110954788B (en) * | 2019-10-28 | 2022-01-25 | 国网河北省电力有限公司电力科学研究院 | Gas component monitoring device, equipment running state monitoring method and terminal equipment |
| CN112748217A (en) * | 2020-12-14 | 2021-05-04 | 河南平高电气股份有限公司 | On-line detection device and gas recovery system using same |
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Application publication date: 20120613 |