CN210434241U - Portable sulfur hexafluoride tail gas recovery and purification device - Google Patents
Portable sulfur hexafluoride tail gas recovery and purification device Download PDFInfo
- Publication number
- CN210434241U CN210434241U CN201921252608.8U CN201921252608U CN210434241U CN 210434241 U CN210434241 U CN 210434241U CN 201921252608 U CN201921252608 U CN 201921252608U CN 210434241 U CN210434241 U CN 210434241U
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- China
- Prior art keywords
- sulfur hexafluoride
- gas
- buffer tank
- connect
- compressor
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- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 29
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 29
- 238000011084 recovery Methods 0.000 title claims abstract description 18
- 238000000746 purification Methods 0.000 title abstract description 8
- 239000003463 adsorbent Substances 0.000 claims abstract description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims abstract 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 35
- 238000001514 detection method Methods 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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- 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
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a portable sulfur hexafluoride tail gas recovery and purifier, including the equipment interface 1 who connects the detecting instrument gas outlet, equipment interface 1 is connected with buffer tank 2, buffer tank 2 has the differential pressure sensor 3 that makes the sulfur hexafluoride flow stable, connect the electronic needle valve 4 that can carry out aperture control according to pressure behind the buffer tank, connect the adsorbent jar 5 that can adsorb decomposition products such as moisture and sulphide in the gas behind electronic needle valve 4, adsorbent jar 5 passes through three solenoid valve 6 and links through the import of compressor 7, the export of compressor 7 connects to liquefier 8, liquefier 8 rethread check valve 9 and gas cylinder interface 10 connect to the gas cylinder. The utility model discloses small, DC power supply, need not external power supply and use, it is easy and simple to handle, can carry out preliminary purification and recovery to the tail gas that produces in the testing process, and do not influence detecting instrument's normal use among the recovery process, can use at witnessed inspections and laboratory.
Description
Technical Field
The utility model relates to a power equipment overhauls and detects auxiliary assembly, specifically is a portable sulfur hexafluoride tail gas is retrieved and purifier.
Background
With the continuous development of power system equipment, sulfur hexafluoride gradually replaces insulating oil to become an insulating medium in the power equipment, and the investment of sulfur hexafluoride electrical equipment provides a great effect on the miniaturization and the power supply reliability of the equipment. However, with the great use of sulfur hexafluoride equipment, harmful low fluoride and sulfide generated by decomposition of sulfur hexafluoride equipment under the action of electric arc, such as direct emission to the atmosphere, can pollute the environment, damage human bodies and corrode electrical equipment, and how to treat sulfur hexafluoride gas also brings problems to related maintenance departments.
The sulfur hexafluoride gas recovery device can recover and purify sulfur hexafluoride gas, eliminate harmful low fluoride and sulfide in the sulfur hexafluoride gas, recover the sulfur hexafluoride gas and prevent the sulfur hexafluoride gas from being directly discharged into the atmosphere, so that the purposes of ensuring normal and safe operation of power equipment of a power grid system, reducing pollution and guaranteeing personnel safety are achieved. The research of the project is based on the technical conditions of the existing sulfur hexafluoride gas recovery, the equipment is miniaturized, and the tail gas discharged by the on-site detection instrument is rapidly recovered and purified while the normal operation of the on-site detection instrument is not influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, providing a portable sulfur hexafluoride tail gas recovery and purifier, the structure is small, need not external power supply and uses, and is easy and simple to handle, can tentatively purify and retrieve the tail gas that produces in the testing process, is applicable to laboratory and witnessed inspections process.
In order to solve the technical problem, the utility model provides a following technical scheme: a portable sulfur hexafluoride tail gas recovery and purification device is characterized in that: the device comprises a device interface 1 connected with a gas outlet of a detection instrument, the device interface is connected with a buffer tank 2, the buffer tank is provided with a differential pressure sensor 3 which enables the flow of sulfur hexafluoride to be stable, an electric needle valve 4 which can control the opening according to pressure is connected behind the buffer tank, an adsorbent tank 5 which can adsorb decomposition products such as moisture, sulfide and the like in gas is connected behind the electric needle valve, the adsorbent tank is connected to an inlet of a compressor 7 through a three-way electromagnetic valve 6, an outlet of the compressor is connected to a liquefier 8, and the liquefier is connected to a gas cylinder through a one-way valve 9 and a gas cylinder interface 10.
The utility model discloses it is the small amount of waste gas that discharges in the field apparatus testing process that mainly aims at, on the basis of the technical condition of sulfur hexafluoride gas recovery, with the equipment miniaturization, quick recovery when guaranteeing the normal operating of field apparatus purifies its tail gas that discharges. The utility model discloses the structure is small, DC supply, need not external power supply and use, and is easy and simple to handle, can carry out preliminary purification and recovery to the tail gas that produces in the testing process, and does not influence detecting instrument's normal use among the recovery process, can use at witnessed inspections and laboratory.
Drawings
Fig. 1 is a schematic view of the structure principle of the present invention.
In the figure: 1. an equipment interface; 2. a buffer tank; 3. a differential pressure sensor; 4. an electric needle valve; 5. an adsorbent canister; 6. a three-way electromagnetic valve; 7. a compressor; 8. a liquefier; 9. a one-way valve; 10. and a gas cylinder interface.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, which are provided for illustration and explanation, and are not intended to limit the present invention.
Example (b):
as shown in fig. 1, the portable sulfur hexafluoride tail gas recovery and purification device comprises an equipment interface 1, a buffer tank 2, a differential pressure sensor 3, an electric needle valve 4, an adsorbent tank 5, a three-way electromagnetic valve 6, a compressor 7, a liquefier 8, a one-way valve 9 and a gas cylinder interface 10.
The equipment interface 1 is connected with an air outlet of a detection instrument, the equipment interface 1 is connected with the buffer tank 2, the buffer tank mainly has the function of buffering pressure change between an inlet and the compressor 7, so that the system has sufficient time to carry out speed regulation control on the compressor 7, the buffer tank 2 is provided with the differential pressure sensor 3 to ensure stable flow of sulfur hexafluoride, the normal operation of the on-site detection instrument is avoided being influenced, the electric needle valve 4 behind the buffer tank can carry out opening control according to the pressure, the following adsorbent tank 5 can adsorb decomposition products such as moisture and sulfide in gas, the sulfur hexafluoride gas after primary purification enters the compressor 7 through the three-way electromagnetic valve 6, the sulfur hexafluoride gas is compressed to critical pressure and is made into liquid state through the liquefier 8, the sulfur hexafluoride gas is pressed into the gas cylinder through the one-way valve 9 and the gas.
The utility model discloses it is the small amount of waste gas that discharges in the field apparatus testing process that mainly aims at, on the basis of the technical condition of sulfur hexafluoride gas recovery, do equipment for a short time, quick recovery when guaranteeing the normal operating of field apparatus purifies its tail gas that discharges. The adapter can be connected with a vacuum pump, the pipeline system and the control steel cylinder are vacuumized to remove air, and the pressure of the air inlet is monitored by the differential pressure sensor, so that the opening degree of the electric needle valve is controlled, the air quantity of the air inlet of the compressor is measured and controlled, the stable-speed operation of the compressor is ensured, the pulsation change of the buffer tank is prevented, and the air inlet of the device is always kept in a normal-pressure working state. The tail gas is preliminarily purified by the adsorbent, and sulfur hexafluoride gas is converted into liquid by a compressor and liquefied gas and is pressed into a steel cylinder through a check valve and a gas cylinder connector to finish the purification and recovery processes.
Claims (1)
1. The utility model provides a portable sulfur hexafluoride tail gas recovery and purifier which characterized in that: including equipment interface (1) of connecting the detecting instrument gas outlet, equipment interface is connected with buffer tank (2), the buffer tank has differential pressure sensor (3) that makes sulfur hexafluoride flow stable, connect electronic needle valve (4) that can carry out the aperture control according to pressure behind the buffer tank, connect adsorbent jar (5) of moisture and sulphide decomposition product in the adsorbable gas behind electronic needle valve, the adsorbent jar connects to the import of compressor (7) through three solenoid valve (6), the export of compressor connects to liquefier (8), the liquefier rethread check valve (9) and gas cylinder interface (10) connect to the gas cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921252608.8U CN210434241U (en) | 2019-08-05 | 2019-08-05 | Portable sulfur hexafluoride tail gas recovery and purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921252608.8U CN210434241U (en) | 2019-08-05 | 2019-08-05 | Portable sulfur hexafluoride tail gas recovery and purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210434241U true CN210434241U (en) | 2020-05-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921252608.8U Active CN210434241U (en) | 2019-08-05 | 2019-08-05 | Portable sulfur hexafluoride tail gas recovery and purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210434241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110314486A (en) * | 2019-08-05 | 2019-10-11 | 国家电网有限公司 | A kind of Portable sulphur hexafluoride tail gas recycle and purification device |
-
2019
- 2019-08-05 CN CN201921252608.8U patent/CN210434241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110314486A (en) * | 2019-08-05 | 2019-10-11 | 国家电网有限公司 | A kind of Portable sulphur hexafluoride tail gas recycle and purification device |
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