CN104132237B - Mix insulation gas low temperature making-up air device - Google Patents
Mix insulation gas low temperature making-up air device Download PDFInfo
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- CN104132237B CN104132237B CN201410406325.XA CN201410406325A CN104132237B CN 104132237 B CN104132237 B CN 104132237B CN 201410406325 A CN201410406325 A CN 201410406325A CN 104132237 B CN104132237 B CN 104132237B
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- gas
- tonifying
- gas cylinder
- carbo
- communicated
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- 238000009413 insulation Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 229910018503 SF6 Inorganic materials 0.000 claims abstract description 11
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229960000909 sulfur hexafluoride Drugs 0.000 claims abstract description 10
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a kind of mix insulation gas low temperature making-up air device, comprise SF
6gas cylinder, the first gas cylinder, liquid container and sulfur hexafluoride electrical equipment, feature is: set up SF
6tonifying Qi gas circuit, other gas tonifying Qi gas circuit, carbo-charger, knock out drum, vacuum pump, compressor, electromagnetic flow valve and solenoid valve, wherein carbo-charger adopts the volute of band isolation baffle plate, there are 2 output terminals, one output terminal is communicated with air through the first control valve, another output terminal is communicated with sulfur hexafluoride electrical equipment through the second control valve, knock out drum, electromagnetic flow valve with the 3rd control valve successively, the output terminal of electromagnetic flow valve also connects liquid container through the 4th control valve, connects liquid container through compressor and solenoid valve successively respectively, and the input end of carbo-charger is respectively through SF
6tonifying Qi gas circuit is communicated with SF
6gas cylinder, connect the first gas cylinder, SF through other gas tonifying Qi gas circuit
6the outlet side of gas cylinder and the first gas cylinder and the inlet end of carbo-charger all connect air through vacuum pump.The present invention realizes two kinds of gas Quick-pressing shunting mixing, and air rate is accurately reliable.
Description
Technical field
The invention provides a kind of mix insulation gas low temperature making-up air device, belong to electrical equipment gas tonifying Qi technical field.
Background technique
In Xinjiang of China, the Inner Mongol and the Northeast, winter, outdoor temperature can reach-40 DEG C, and some areas even reach-50 DEG C, and under this cryogenic conditions, sulfur hexafluoride electrical equipment is often because of SF
6gas produces liquefaction and pressure is reduced, when being down to locking force value, and SF
6electrical equipment cannot run, and even can cause large-area power failure time serious.For solving SF in the sulfur hexafluoride electrical equipment of north cold area
6the problem of low-temperature gas liquefaction, general consideration SF
6mix insulation gas replaces pure SF
6gas.Run at mix insulation outlet openings equipment or in maintenance process, often need to carry out supplementing or inflating to mix insulation gas in equipment.Only have for SF both at home and abroad at present
6the research of gas refill technology, also not about the tonifying Qi of mix insulation gas or the research recharging technology; Mostly the inflation of current mix insulation gas is by multi-time inflating, judges inflation ratio according to dividing potential drop, not only complex operation, and mixture ratio error is comparatively large, is difficult to realize supplementing of special ratios mixed gas, may affect the normal operation of equipment.
Along with China's mix insulation outlet openings equipment runs the growth of the time limit and the increase of the mix insulation outlet openings number of devices that newly puts into operation, during overhaul of the equipments, the recharging fast of mix insulation gas in equipment, tonifying Qi and vacuumizing is become and important link, therefore on-the-spot in the urgent need to a kind of mix insulation gas low temperature making-up air device.
Summary of the invention
The object of this invention is to provide a kind ofly to solve the problem, the mix insulation gas low temperature making-up air device of rational in infrastructure, excellent working performance.Its technological scheme is:
A kind of mix insulation gas low temperature making-up air device, comprises SF
6gas cylinder, the first gas cylinder, liquid container and sulfur hexafluoride electrical equipment, is characterized in that: set up SF
6tonifying Qi gas circuit, other gas tonifying Qi gas circuit, carbo-charger, knock out drum, vacuum pump, compressor, electromagnetic flow valve and solenoid valve, wherein carbo-charger adopts the volute of band isolation baffle plate, there are 2 output terminals, one output terminal is communicated with air through the first control valve, another output terminal is communicated with sulfur hexafluoride electrical equipment through the second control valve, knock out drum, electromagnetic flow valve with the 3rd control valve successively, the output terminal of electromagnetic flow valve also connects liquid container through the 4th control valve, connects liquid container through compressor and solenoid valve successively respectively, and the input end of carbo-charger is respectively through SF
6tonifying Qi gas circuit is communicated with SF
6gas cylinder, be communicated with the first gas cylinder, SF through other gas tonifying Qi gas circuit
6the outlet side of gas cylinder and the first gas cylinder and the inlet end of carbo-charger all connect air through vacuum pump.
Described mix insulation gas low temperature making-up air device, SF
6tonifying Qi gas circuit is identical with the structure of the tonifying Qi gas circuit of other gas, includes the pipeline being provided with manually operated valve, fan heat exchanger, pressure-reduced and-regulated device, pressure gauge and mass flow controller successively, and pipeline is communicated with SF near one end of fan heat exchanger
6gas cylinder or the first gas cylinder, the pipeline the other end is communicated with carbo-charger.
Described mix insulation gas low temperature making-up air device, the gas in the first gas cylinder is CF
4, N
2or air.
Compared with prior art, its advantage is: SF in the present invention
6mass flow controller is equipped with, by mass flow controller accurately control SF in tonifying Qi gas circuit and other gas tonifying Qi gas circuit
6the flow of gas and other gas, can utilize the mixed gas of pressurization device to preparation to pressurize while distribution, and realize two kinds of gas Quick-pressing shunting mixing, air rate is accurately reliable, facilitates fast aeration or the tonifying Qi of Mixed gas insulation electrical equipment.
Accompanying drawing explanation
Fig. 1 is the pipeline connecting figure of the embodiment of the present invention.
In figure: 1, SF
6gas cylinder 2, first gas cylinder 3, liquid container 4, sulfur hexafluoride electrical equipment 5, carbo-charger 6, knock out drum 7, vacuum pump 8, compressor 9, electromagnetic flow valve 10, first control valve 11, second control valve 12, the 3rd control valve 13, manually operated valve 14, fan heat exchanger 15, pressure-reduced and-regulated device 16, first pressure gauge 17, mass flow controller 18, the 4th control valve 19, solenoid valve 20, pipeline 21, second pressure gauge 22, the 3rd pressure gauge
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.In the embodiment shown in fig. 1, the gas in the first gas cylinder is CF
4, SF
6tonifying Qi gas circuit and CF
4the structure of tonifying Qi gas circuit is identical, includes the pipeline 20 being provided with manually operated valve 13, fan heat exchanger 14, pressure-reduced and-regulated device 15, first pressure gauge 16 and mass flow controller 17 successively, and pipeline 20 is communicated with SF near one end of fan heat exchanger 14
6gas cylinder 1 or the first gas cylinder 2, pipeline 20 the other end is communicated with carbo-charger 5.Carbo-charger 5 adopts the volute of band isolation baffle plate, there are 2 output terminals, one output terminal is communicated with air through the first control valve 10, another output terminal is communicated with sulfur hexafluoride electrical equipment 4 through the second control valve 11, knock out drum 6, electromagnetic flow valve 9 with the 3rd control valve 12 successively, the output terminal of electromagnetic flow valve 9 also connects liquid container 3 through the 4th control valve 18, connects liquid container 3 through compressor 8 and solenoid valve 19 successively respectively, and the input end of carbo-charger 5 is respectively through SF
6tonifying Qi gas circuit is communicated with SF
6gas cylinder 1, be communicated with the first gas cylinder 2, SF through other gas tonifying Qi gas circuit
6gas cylinder 1 and the outlet side of the first gas cylinder 2 and the inlet end of carbo-charger 5 all connect air through vacuum pump 7.
Claims (3)
1. a mix insulation gas low temperature making-up air device, comprises SF
6gas cylinder (1), the first gas cylinder (2), liquid container (3) and sulfur hexafluoride electrical equipment (4), is characterized in that: set up SF
6tonifying Qi gas circuit, other gas tonifying Qi gas circuit, carbo-charger (5), knock out drum (6), vacuum pump (7), compressor (8), electromagnetic flow valve (9) and solenoid valve (19), wherein carbo-charger (5) adopts the volute of band isolation baffle plate, there are 2 output terminals, one output terminal is communicated with air through the first control valve (10), another output terminal is successively through the second control valve (11), knock out drum (6), electromagnetic flow valve (9) is communicated with sulfur hexafluoride electrical equipment (4) with the 3rd control valve (12), the output terminal of electromagnetic flow valve (9) also connects liquid container (3) through the 4th control valve (18) respectively, liquid container (3) is connect successively through compressor (8) and solenoid valve (19), the input end of carbo-charger (5) is respectively through SF
6tonifying Qi gas circuit is communicated with SF
6gas cylinder (1), be communicated with the first gas cylinder (2), SF through other gas tonifying Qi gas circuit
6the outlet side of gas cylinder (1) and the first gas cylinder (2) and the inlet end of carbo-charger (5) all connect air through vacuum pump (7).
2. mix insulation gas low temperature making-up air device according to claim 1, is characterized in that: SF
6tonifying Qi gas circuit is identical with the structure of other gas tonifying Qi gas circuit, include the pipeline (20) being provided with manually operated valve (13), fan heat exchanger (14), pressure-reduced and-regulated device (15), the first pressure gauge (16) and mass flow controller (17) successively, pipeline (20) is communicated with SF6 gas cylinder (1) or the first gas cylinder (2) near one end of fan heat exchanger (14), and pipeline (20) the other end is communicated with carbo-charger (5).
3. mix insulation gas low temperature making-up air device according to claim 1, is characterized in that: the gas in the first gas cylinder (2) is CF
4, N
2or air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410406325.XA CN104132237B (en) | 2014-08-18 | 2014-08-18 | Mix insulation gas low temperature making-up air device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410406325.XA CN104132237B (en) | 2014-08-18 | 2014-08-18 | Mix insulation gas low temperature making-up air device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104132237A CN104132237A (en) | 2014-11-05 |
| CN104132237B true CN104132237B (en) | 2016-03-30 |
Family
ID=51805026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410406325.XA Active CN104132237B (en) | 2014-08-18 | 2014-08-18 | Mix insulation gas low temperature making-up air device |
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| CN (1) | CN104132237B (en) |
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| CN106545748B (en) * | 2016-11-10 | 2018-10-23 | 黑龙江省电力科学研究院 | Method for extremely frigid zones Mixed gas insulation electrical equipment gas making-up air device |
| CN106799174A (en) * | 2017-03-17 | 2017-06-06 | 南京南瑞集团公司 | A kind of SF6 and N2 gases mixing apparatus and inflation method |
| CN107339806A (en) * | 2017-07-18 | 2017-11-10 | 沈阳世杰电器有限公司 | High voltage gas-insulated resistance-heated furnace |
| CN107442029A (en) * | 2017-09-06 | 2017-12-08 | 国网黑龙江省电力有限公司电力科学研究院 | A kind of sulfur hexafluoride gas mixing device applied to electrical equipment |
| CN107830402B (en) * | 2017-11-14 | 2023-06-02 | 华北电力科学研究院有限责任公司 | SF (sulfur hexafluoride) 6 Mixed gas insulation equipment inflating device and method |
| CN108119749B (en) * | 2017-12-20 | 2020-06-16 | 国网河北省电力有限公司电力科学研究院 | SF (sulfur hexafluoride)6And N2Mixed gas inflating device and accurate inflating method |
| CN109237304A (en) * | 2018-06-04 | 2019-01-18 | 国网安徽省电力有限公司电力科学研究院 | Electrical equipment mix insulation gas prepares filling system |
| RU196102U1 (en) * | 2019-07-16 | 2020-02-17 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | HIGH PURITY MOBILE INERT GAS TRANSFER |
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| CN110878906B (en) * | 2019-11-15 | 2021-07-30 | 广州供电局有限公司 | Liquid phase gas supplementing method for mixed gas of gas insulation equipment |
| CN112050074A (en) * | 2020-09-03 | 2020-12-08 | 河南省日立信股份有限公司 | C5-PFK gas mixing preparation device and method based on weighing and partial pressure combined method |
| CN115978432B (en) * | 2022-12-16 | 2024-06-18 | 甘肃送变电工程有限公司 | SF6 inflation device and method for GIS equipment |
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2014
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| JPS5644035A (en) * | 1979-11-26 | 1981-04-23 | Buyou Gas Kk | Fluid mixing device |
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| CN104132237A (en) | 2014-11-05 |
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