CN103868762A - Sulfur hexafluoride gas collecting device - Google Patents
Sulfur hexafluoride gas collecting device Download PDFInfo
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- CN103868762A CN103868762A CN201410083383.3A CN201410083383A CN103868762A CN 103868762 A CN103868762 A CN 103868762A CN 201410083383 A CN201410083383 A CN 201410083383A CN 103868762 A CN103868762 A CN 103868762A
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- bottle
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- sulfur hexafluoride
- hexafluoride gas
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Abstract
The invention discloses a sulfur hexafluoride gas collecting device, relates to a gas collecting device, and aims at solving the problems in the prior art that a sulfur hexafluoride sample gas of to-be-detected equipment may be mixed with an original gas in a collecting bottle, so that pollution to the sample is generated, and the test accuracy is reduced; the original gas is blown out by using the sulfur hexafluoride gas of the equipment, the sulfur hexafluoride gas containing toxic gas leaks along with the original gas, so that the health and the life safety of an experimenter are threatened; the sulfur hexafluoride gas belongs to a greenhouse gas, resulting in damage to the environment. The device comprises an intake pipe, an intake valve, a pressure gage, a first bottle body, a second bottle body, a vent valve, a vent pipe, a piston mechanism, two flanges and a plurality of connectors. The sulfur hexafluoride gas collecting device is used when the sulfur hexafluoride gas is collected.
Description
Technical field
The present invention relates to a kind of gas collecting device, be specifically related to a kind of sulfur hexafluoride gas harvester.
Background technology
Sulfur fluoride gas, as good insulating medium and arc-extinguishing medium, is widely used in all kinds of High-Voltage Electrical Appliances, comprises sulfur hexafluoride gas-insulating isolating switch, GIS, transformer, mutual inductor, power cable etc.Strict to used sulfur hexafluoride gas quality control in power equipment.Conventionally the chemical property of sulfur hexafluoride gas is highly stable, in air, does not burn, not combustion-supporting, does not react with water, highly basic, ammonia, hydrochloric acid, sulfuric acid etc.; Under normal temperature, be chemical inertness, be seldom fused to water, micro-alcohol that is fused to.There is not chemical action with metal and other organic material conventional in electric equipment.But under large power electric arc, spark discharge and corona discharge effect, namely in power equipment under the common working environment of sulfur hexafluoride gas, the sulfur hexafluoride gas multi-products that can decompose and dissociate, comprises sulfur tetrafluoride and bifluoride sulphur, and a small amount of sulphur steam and fluorine gas etc.These gases have larger toxicity conventionally.In addition due to the self-defect of equipment, for example leak gas, the fault such as infiltration, can cause sulfur hexafluoride gas composition and quality to decline, the insulativity of equipment and arc extinguishing ability reduce.The accident such as cause that high voltage electric power equip ment is short-circuited in serious situation.Therefore, charged gas detects the safe operation of equipment is had very important significance.
At present, the method for power equipment being carried out to sulfur hexafluoride gas sampling is to adopt long cartridge type air drum, and air valve is installed respectively at air drum two ends.The air outlet valve of gas production bottle one end reception checkout equipment while getting gas, opens collecting bottle two ends and air outlet valve equipment to be detected.Sulfur hexafluoride gas enters collecting bottle from equipment to be detected, original gas in collecting bottle is blown out to collecting bottle simultaneously.After original gas all blows out, close the valve of giving vent to anger of collecting bottle.After the air pressure of collecting bottle is consistent with equipment air pressure to be detected, then close the air intake valve of collecting bottle and the valve of giving vent to anger of equipment to be detected.Take off after collecting bottle and complete and get gas.
From said process, existing double valve collecting bottle has following shortcoming: 1, and the sample gas of equipment to be detected likely mixes with original gas in collecting bottle, causes sample contamination, reduces the accuracy of test.2, blow out original gas with the sulfur hexafluoride gas of equipment, sulfur hexafluoride gas can be with original gas leakage.Sulfur hexafluoride sample gas contains toxic gas, threatens experimenter's health and lives safety.And sulfur hexafluoride gas belongs to greenhouse gases, environment is had to destruction.
Summary of the invention
The present invention likely mixes with original gas in collecting bottle for the sulfur hexafluoride sample gas that solves equipment to be detected in prior art, cause sample contamination, reduce the accuracy of test, blow out original gas with the sulfur hexafluoride gas of equipment, sulfur hexafluoride gas can be with original gas leakage, sulfur hexafluoride sample gas contains toxic gas, threaten experimenter's health and lives safety, and sulfur hexafluoride gas belongs to greenhouse gases, environment is had to the problem of destruction, and then propose a kind of sulfur hexafluoride gas harvester.
The present invention addresses the above problem the technical scheme adopting to be: described device comprises draft tube, air intake valve, tensimeter, the first bottle, the second bottle, the valve of giving vent to anger, escape pipe, piston mechanism, two flanges and multiple web member, the first bottle and the second bottle are circular cylinder body, and the first bottle and the second bottle internal diameter equate, one end of the first bottle seals by hemispherical shell, on the other end lateral wall of the first bottle, flange is installed, one end of the second bottle seals by hemispherical shell, on the other end lateral wall of the second bottle, flange is installed, the first bottle and the second bottle are oppositely arranged the bottle that forms a sealing, and two flanges are tightly connected by multiple web members, on the hemispherical shell of the first bottle, draft tube is installed, and draft tube is communicated with the first bottle, on the hemispherical shell of the second bottle, escape pipe is installed, and escape pipe is communicated with the second bottle, air intake valve and tensimeter are all arranged in draft tube, the valve of giving vent to anger is arranged on escape pipe, piston mechanism is arranged in the bottle of sealing.
The invention has the beneficial effects as follows: the present invention is in the time carrying out sulfur hexafluoride gas collection, promote piston mechanism by sulfur hexafluoride gas slides the original gas in bottle is squeezed out in the bottle of sealing, and prevent that sulfur hexafluoride gas from mixing with the original gas in bottle, ensure that sample is not contaminated, and ensure the accuracy of test, by the present invention, original gas in bottle is discharged, the sulfur hexafluoride gas being filled with in bottle can not leak, ensure that experimenter's is healthy, also prevented that sulfur hexafluoride gas from leaking in air, prevent the sulfur hexafluoride gas welding flowing out, the present invention has simple in structure, feature convenient to use.
Brief description of the drawings
Fig. 1 is one-piece construction front view of the present invention, and Fig. 2 is that in the present invention, piston mechanism is the one-piece construction front view that fixing half sphere shape 10, air bag 11 and slide mass 12 are arranged on one.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1-Fig. 2, a kind of sulfur hexafluoride gas harvester described in present embodiment, described device comprises draft tube 1, air intake valve 2, tensimeter 3, the first bottle 4, the second bottle 6, the valve 7 of giving vent to anger, escape pipe 9, piston mechanism, two flanges 5 and multiple web member 8, the first bottle 4 and the second bottle 6 are circular cylinder body, and the first bottle 4 and the second bottle 6 internal diameters equate, one end of the first bottle 4 seals by hemispherical shell, on the other end lateral wall of the first bottle 4, flange 5 is installed, one end of the second bottle 6 seals by hemispherical shell, on the other end lateral wall of the second bottle 6, flange 5 is installed, the first bottle 4 and the second bottle 6 are oppositely arranged the bottle that forms a sealing, and two flanges 5 are tightly connected by multiple web members 8, draft tube 1 is installed on the hemispherical shell of the first bottle 4, and draft tube 1 is communicated with the first bottle 4, escape pipe 9 is installed on the hemispherical shell of the second bottle 6, and escape pipe 9 is communicated with the second bottle 6, air intake valve 2 and tensimeter 3 are all arranged in draft tube 1, the valve 7 of giving vent to anger is arranged on escape pipe 9, piston mechanism is arranged in the bottle of sealing.
Embodiment two: present embodiment is described in conjunction with Fig. 1, a kind of sulfur hexafluoride gas harvester described in present embodiment, described piston mechanism is right cylinder, and spherical end surface is processed at cylindrical two ends, piston mechanism in present embodiment slides at the bottle of sealing, prevented the sulfur hexafluoride gas and the interior gas mixed influence measuring accuracy of original bottle that are filled with, other is identical with embodiment one.
Embodiment three: present embodiment is described in conjunction with Fig. 2, a kind of sulfur hexafluoride gas harvester described in present embodiment, described piston mechanism comprises fixing half sphere shape 10, air bag 11 and slide mass 12, slide mass 12 is right cylinder, spherical end surface is processed in cylindrical one end, on slide mass 12, be processed with gas flow aperture, fixing half sphere shape 10 is processed with through hole 13, one end of through hole 13 is communicated with draft tube 1, the other end of through hole 13 is communicated with the end of the air hole of air bag 11, the protruding end of fixing half sphere shape 10 is fixedly mounted on the inwall of the first bottle 4 hemispherical shells, the other end of air bag 11 is fixedly connected with the cylindrical end of slide mass 12, in present embodiment, gas cell 11 adopts stepped construction, in air bag 11, there is no gas, gas cell 11 is stacked to be pressed on together, the sulfur hexafluoride gas being filled with is filled in air bag 11, air bag 11 promotes slide mass 12 and slides in the bottle of sealing, air bag 11 regulates pressure with the air of bottle internal pore through gas flow aperture, other is identical with embodiment one.
Principle of work
First the draft tube of collecting bottle 1 is connected with the escape pipe of Devices to test.Open the valve of giving vent to anger of air intake valve 2 and Devices to test, then open the valve 7 of giving vent to anger, in Devices to test, gas starts to enter in harvester, and the gas in harvester is discharged harvester by escape pipe 9 simultaneously.Escape pipe 9 no longer includes after gas is discharged and closes the valve 7 of giving vent to anger, and continues to observe tensimeter 3, in the time that pressure of the inside of a bottle is identical with Devices to test force value, can close give vent to anger valve and the air intake valve 2 of Devices to test, completes and gets gas.Do not reveal getting gas to be detected in gas process, also mix with gas in bottle, and then reach object of the present invention.
Claims (3)
1. a sulfur hexafluoride gas harvester, it is characterized in that: described device comprises draft tube (1), air intake valve (2), tensimeter (3), the first bottle (4), the second bottle (6), air outlet valve (7), escape pipe (9), piston mechanism, two flanges (5) and multiple web member (8), the first bottle (4) and the second bottle (6) are circular cylinder body, and the first bottle (4) and the second bottle (6) internal diameter equate, one end of the first bottle (4) seals by hemispherical shell, flange (5) is installed on the other end lateral wall of the first bottle (4), one end of the second bottle (6) seals by hemispherical shell, flange (5) is installed on the other end lateral wall of the second bottle (6), the first bottle (4) and the second bottle (6) are oppositely arranged the bottle that forms a sealing, and two flanges (5) are tightly connected by multiple web members (8), draft tube (1) is installed on the hemispherical shell of the first bottle (4), and draft tube (1) is communicated with the first bottle (4), escape pipe (9) is installed on the hemispherical shell of the second bottle (6), and escape pipe (9) is communicated with the second bottle (6), air intake valve (2) and tensimeter (3) are all arranged in draft tube (1), air outlet valve (7) is arranged on escape pipe (9), piston mechanism is arranged in the bottle of sealing.
2. a kind of sulfur hexafluoride gas harvester according to claim 1, is characterized in that: described piston mechanism is right cylinder, and spherical end surface is processed at cylindrical two ends.
3. a kind of sulfur hexafluoride gas harvester according to claim 1, it is characterized in that: described piston mechanism comprises fixing half sphere shape (10), air bag (11) and slide mass (12), slide mass (12) is right cylinder, spherical end surface is processed in cylindrical one end, slide mass is processed with gas flow aperture on (12), fixing half sphere shape (10) is processed with through hole (13), one end of through hole (13) is communicated with draft tube (1), the other end of through hole (13) is communicated with the end of the air hole of air bag (11), the protruding end of fixing half sphere shape (10) is fixedly mounted on the inwall of the first bottle (4) hemispherical shell, the other end of air bag (11) is fixedly connected with the cylindrical end of slide mass (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410083383.3A CN103868762B (en) | 2014-03-07 | 2014-03-07 | A kind of sulfur hexafluoride gas harvester |
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| CN201410083383.3A CN103868762B (en) | 2014-03-07 | 2014-03-07 | A kind of sulfur hexafluoride gas harvester |
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| CN103868762A true CN103868762A (en) | 2014-06-18 |
| CN103868762B CN103868762B (en) | 2016-03-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105590532A (en) * | 2014-10-23 | 2016-05-18 | 中国石油天然气股份有限公司 | Gas sampling training device |
| CN106351655A (en) * | 2015-07-16 | 2017-01-25 | 中国石油化工股份有限公司 | Device for sampling of natural gas |
| CN117594346A (en) * | 2023-11-03 | 2024-02-23 | 上海吴淞电气实业有限公司 | Voltage transformer based on clean air |
| CN117594346B (en) * | 2023-11-03 | 2024-05-10 | 上海吴淞电气实业有限公司 | Voltage transformer based on clean air |
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| CN105590532A (en) * | 2014-10-23 | 2016-05-18 | 中国石油天然气股份有限公司 | Gas sampling training device |
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| CN106351655A (en) * | 2015-07-16 | 2017-01-25 | 中国石油化工股份有限公司 | Device for sampling of natural gas |
| CN117594346A (en) * | 2023-11-03 | 2024-02-23 | 上海吴淞电气实业有限公司 | Voltage transformer based on clean air |
| CN117594346B (en) * | 2023-11-03 | 2024-05-10 | 上海吴淞电气实业有限公司 | Voltage transformer based on clean air |
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| CN103868762B (en) | 2016-03-16 |
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Inventor after: Liu Yang Inventor after: Lu Gang Inventor after: Yu Chunlai Inventor after: Zhu Xuecheng Inventor after: Guo Jingang Inventor before: Liu Yang Inventor before: Lu Gang Inventor before: Yu Chunlai Inventor before: Zhu Xuecheng |
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Effective date of registration: 20160621 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Heilongjiang Electric Power Research Institute Patentee after: STATE GRID EAST INNER MONGOLIA ELECTRIC POWER COMPANY ELECTRIC POWER RESEARCH INSTITUTE Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Heilongjiang Electric Power Research Institute |