CN203703604U - SF6 gas recovery device with gas component analysis function - Google Patents
SF6 gas recovery device with gas component analysis function Download PDFInfo
- Publication number
- CN203703604U CN203703604U CN201320862217.4U CN201320862217U CN203703604U CN 203703604 U CN203703604 U CN 203703604U CN 201320862217 U CN201320862217 U CN 201320862217U CN 203703604 U CN203703604 U CN 203703604U
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- CN
- China
- Prior art keywords
- gas
- composition analysis
- sensor
- analysis function
- concentration unit
- 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.)
- Expired - Lifetime
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- 238000004458 analytical method Methods 0.000 title claims abstract description 34
- 238000011084 recovery Methods 0.000 title claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 32
- 238000001914 filtration Methods 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 6
- 230000000740 bleeding effect Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 113
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an SF6 gas recovery device with a gas component analysis function. The SF6 gas recovery device comprises a SF6 gas recovery system and a gas component analysis system, wherein the SF6 gas recovery system comprises a master control system, a gas purification system, a gas liquification system, a vacuumizing system and a heat dissipation system; the master control system is connected with the gas purification system, the gas liquification system, the vacuumizing system and the heat dissipation system respectively for controlling the above systems; the gas component analysis system is connected with the master control system, and a sensor of the gas component analysis system is arranged in a gas exhausting path, a gas charging path and an inner gas purification path of the SF6 gas recovery system. According to the SF6 gas recovery device, a worker can intuitively obtain the gas status and the component change information in the whole recovering process, the system can automatically filter gas beyond the reach of preset standard in a circulating manner, so as to ensure finally recovered gas and gas to be charged into a switch gear room to meet the standard.
Description
Technical field
The utility model belongs to gas detection technology field, is specifically related to a kind of SF with gas composition analysis function
6gas concentration unit.
Background technique
SF
6(sulphur hexafluoride) is a kind of important gas in power industry, and it is applied in high pressure switch plays a part to insulate and arc extinguishing.Gas insulation switch cabinet is installed repair safeguard work in, SF
6gas inflated recovering device is to be equipped with.Conventionally use cryogenic liquefaction principle, utilize cooling machine set to make SF
6be cooled to it below condensing temperature, make it to form liquid state and store or charge steel cylinder.Use oil filtration system and drying system to carry out purified treatment to the gas reclaiming simultaneously.
Prior art has just realized the function that gas inflated is reclaimed, but for inflation and the process reclaiming, and whether gas after reclaiming reach specified standard and be but difficult to make a decision, and need to use other equipment to carry out follow-up detection and safeguard, workload is large.
Summary of the invention
Based on above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of SF with gas composition analysis function
6gas concentration unit.Simply say, the utility model is exactly original SF
6in gas recovery system, install a gas composition analysis system additional.It can make staff intuitively obtain state and the composition change information of gas recovery; To not reaching the gas of preset standard, system is carried out circulating filtration processing automatically simultaneously, the gas that guarantees finally to complete recovery with to be filled with gas in the switch gear room standard that conforms with the regulations.
The technical solution of the utility model is: a kind of SF with gas composition analysis function
6gas concentration unit, it mainly comprises SF
6gas recovery system, described SF
6gas recovery system comprises master control system, gas purge system, gas liquefaction system, pumped vacuum systems and radiation system, described master control system is connected with gas purge system, gas liquefaction system, pumped vacuum systems and radiation system respectively, to realize the control to those systems, also comprise a gas composition analysis system, described gas composition analysis system is connected with master control system, and the sensor of described gas composition analysis system is installed in SF
6the gas circuit of bleeding of gas recovery system, the gentle body of inflation gas circuit inside purify in gas circuit.
Further, described gas purge system comprises filtration system and drying system.Described gas liquefaction system comprises compression system and cooling machine set.Described sensor comprises dew point transducer, SF
6purity sensor, H
2s sensor and SO
2sensor.The dew point measurement scope of described dew point transducer is-80 ~+20 ℃, and dew point precision is ± 2 ℃.Described SF
6the SF of purity sensor
6purity determination scope is 0 ~ 100%, SF
6purity determination precision is ± 1%.Described H
2the H of S sensor
2s measuring range is 0 ~ 500PPM, H
2s measuring accuracy is 1PPM.Described SO
2the SO of sensor
2measuring range is 0 ~ 500PPM, SO
2measuring accuracy is 1PPM.
The utility model adopts the principle that the function of gas composition analysis is combined with traditional recovering device, uses dew point transducer, SF
6purity sensor, hydrogen sulfide sensor, SO 2 sensor, to whole SF
6in inflation callback course, gas indices is monitored, the variation of Real Time Observation gas index, complete gas reclaim or inflate before, automatically the gas of having preserved is carried out to sample analysis, if gas does not reach required standard, by gas by inner loop, utilize filtration, purification system to process gas, guarantee to be finally recovered to gas in the steel cylinder standard that conforms with the regulations.Also can use this system to carry out regular detection maintenance work to storing the steel cylinder of gas.
The beneficial effects of the utility model are: the utility model makes in whole callback course, and staff can intuitively obtain state and the composition change information of gas; To not reaching the gas of preset standard, system is carried out circulating filtration processing automatically simultaneously, the gas that guarantees finally to complete recovery with to be filled with gas in the switch gear room standard that conforms with the regulations.
Accompanying drawing explanation
Fig. 1 is the SF with gas composition analysis function
6the system block diagram of gas concentration unit.
Fig. 2 is SF
6the fundamental diagram of gas recovery system.
Label declaration: 1-SF
6the gas concentration unit 2-gas composition analysis system 3-master control system 4-gas purge system 5-gas liquefaction system 6-pumped vacuum systems 7-radiation system 8-filtration system 9-drying system 10-compression system 11-cooling machine set 12-gas circuit 13-inflation gas circuit 14-gas interior of bleeding purifies gas circuit 15-dew point transducer 16-SF
6purity sensor 17-H
2s sensor 18-SO
2sensor 19-gas holder or gas cylinder 20-reduction valve 21-air chamber 22-safety valve 23-vacuum pump 24-vacuum compressor 25-compressor 26-vaporizer 27-high-pressure outlet K-control valve.
Embodiment
By describing technology contents of the present utility model, structure characteristics in detail, being realized object and effect, below in conjunction with mode of execution and coordinate accompanying drawing to be explained in detail.
As depicted in figs. 1 and 2, the SF with gas composition analysis function of the present utility model
6gas concentration unit, it mainly comprises SF
6gas recovery system 1 and gas composition analysis system 2, described SF
6gas recovery system comprises master control system 3, gas purge system 4, gas liquefaction system 5, pumped vacuum systems 6 and radiation system 7, described master control system 3 is connected with gas purge system, gas liquefaction system, pumped vacuum systems and radiation system respectively, to realize the control to those systems; Described gas purge system comprises filtration system 8 and drying system 9.Described gas liquefaction system comprises compression system 10 and cooling machine set 11.
Above-mentioned gas elemental analysis system 2 is connected with master control system 1, and the sensor of described gas composition analysis system is installed in SF
6the gas circuit 12 of bleeding, inflation gas circuit 13 and the gas interior of gas recovery system purify in gas circuit 14.Described sensor comprises dew point transducer 15, SF
6purity sensor 16, H
2s sensor 17 and SO
2sensor 18.
More particularly, described pumped vacuum systems comprises vacuum compressor 24 and vacuum pump 23.Cooling machine set comprises vaporizer 26 and compressor 25.
Simply say: master control system is connected with each module, control whole system operation.Pumped vacuum systems is connected with filtration, purification system, and the gas being extracted into is carried out to purified treatment, and compression system and cooling machine set collaborative work, compress and liquefy purified gas.Gas composition analysis system respectively with pumped vacuum systems, compression system is connected, to SF
6gas composition situation is monitored.
The major parameter of each system is as follows:
(1) compression system: pumping speed: 11.4m3/h; Pressure maximum: 3Mpa;
(2) pumped vacuum systems: pumping speed: 40.4m3/h; Limiting vacuum: 10Pa absolute pressure;
(3) drying system: the highest pressure that bears: 8MPa; Minimum micro-water number: the <30PPmv that reaches;
(4) gas composition analysis system: dew point measurement scope :-80 ~+20 ℃; Dew point precision: ± 2 ℃; SF
6purity determination scope: 0 ~ 100%; SF
6purity determination precision: ± 1%; H
2s measuring range: 0 ~ 500PPM; H
2s measuring accuracy: 1PPM; SO
2measuring range: 0 ~ 500PPM; SO
2measuring accuracy: 1PPM.
Operating process of the present utility model comprises SF
6the operation that gas reclaims and stores and to SF
6switching gas chamber or SF
6gas cylinder injects SF
6the operation of gas, specific as follows:
One, SF
6the operation that gas reclaims and stores:
(1) open venting ball valve, the overvoltage of releasing;
(2) all solenoid valves start vacuum pump on manual unlocking operation panel;
(3) then with vacuum pump, whole pipeline and pressurized container are evacuated down to < 1mbar;
(4) by SF
6switching gas chamber or SF
6gas cylinder is connected on recovering device 13 joints, opens gas holder ball valve switch;
(5) functional switch is switched to " 2:SF
6gas reclaims and stores " on.Start automatic function;
(6) observe SF
6gas composition information, meets standard and clicks confirmation, completes and reclaims storage.
Do not meet preset standard, there is whether carrying out deep purifying prompt options in interface, clicks and confirm, system is carried out inner purification filtering operation, the standard until gas parameter conforms with the regulations automatically.
Two, to SF
6switching gas chamber or SF
6gas cylinder injects SF
6the operation of gas:
(1) functional switch is switched to " 3:SF
6the injection of gas " upper, open gas holder ball valve switch;
(2) reduction valve is adjusted to suitable inflation pressure, SF
6switching gas chamber or SF
6gas cylinder must disconnect with recovering device;
(3) by SF
6switching gas chamber or SF
6gas cylinder is connected on recovering device 13 joints;
(5) start gas automatic filling function, system detects SF automatically
6gas component, and carry out purified treatment, subsequently gas is sent into switch gear room or gas cylinder;
(6) in the time that pressure maintains an equal level, system is opened or compressor automatically, waits for that inflated condition finishes;
(7) interface prompt completes after gas filling, throttle down, and the overvoltage of releasing, disconnects the tracheae on product, completes filling work.
Main protection point of the present utility model is: by gas composition analysis technology and SF
6gas concentration unit combination, the information of gas componant in Real-Time Monitoring callback course.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, include in scope of patent protection of the present utility model.
Claims (8)
1. one kind has the SF of gas composition analysis function
6gas concentration unit, it mainly comprises SF
6gas recovery system, described SF
6gas recovery system comprises master control system, gas purge system, gas liquefaction system, pumped vacuum systems and radiation system, described master control system is connected with gas purge system, gas liquefaction system, pumped vacuum systems and radiation system respectively, to realize the control to those systems, it is characterized in that: also comprise a gas composition analysis system, described gas composition analysis system is connected with master control system, and the sensor of described gas composition analysis system is installed in SF
6the gas circuit of bleeding of gas recovery system, the gentle body of inflation gas circuit inside purify in gas circuit.
2. according to the SF with gas composition analysis function claimed in claim 1
6gas concentration unit, is characterized in that: described gas purge system comprises filtration system and drying system.
3. according to the SF with gas composition analysis function claimed in claim 1
6gas concentration unit, is characterized in that: described gas liquefaction system comprises compression system and cooling machine set.
4. according to the SF with gas composition analysis function claimed in claim 1
6gas concentration unit, is characterized in that: described sensor comprises dew point transducer, SF
6purity sensor, H
2s sensor and SO
2sensor.
5. according to the SF with gas composition analysis function claimed in claim 4
6gas concentration unit, is characterized in that: the dew point measurement scope of described dew point transducer is-80～+ 20 ℃, and dew point precision is ± 2 ℃.
6. according to the SF with gas composition analysis function claimed in claim 4
6gas concentration unit, is characterized in that: described SF
6the SF of purity sensor
6purity determination scope is 0～100%, SF
6purity determination precision is ± 1%.
7. according to the SF with gas composition analysis function claimed in claim 4
6gas concentration unit, is characterized in that: described H
2the H of S sensor
2s measuring range is 0～500PPM, H
2s measuring accuracy is 1PPM.
8. according to the SF6 gas concentration unit with gas composition analysis function claimed in claim 4, it is characterized in that: the SO2 measuring range of described SO2 sensor is 0～500PPM, SO2 measuring accuracy is 1PPM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862217.4U CN203703604U (en) | 2013-12-25 | 2013-12-25 | SF6 gas recovery device with gas component analysis function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862217.4U CN203703604U (en) | 2013-12-25 | 2013-12-25 | SF6 gas recovery device with gas component analysis function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703604U true CN203703604U (en) | 2014-07-09 |
Family
ID=51054046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320862217.4U Expired - Lifetime CN203703604U (en) | 2013-12-25 | 2013-12-25 | SF6 gas recovery device with gas component analysis function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703604U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107860837A (en) * | 2017-11-01 | 2018-03-30 | 广西电网有限责任公司电力科学研究院 | A kind of detection method of content of sulfur dioxide in sulfur hexafluoride gas |
| CN115435238A (en) * | 2022-08-30 | 2022-12-06 | 重庆同辉科发气体有限公司 | A fill dress device that is used for high-purity carbon dioxide and high-purity nitrous oxide |
-
2013
- 2013-12-25 CN CN201320862217.4U patent/CN203703604U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107860837A (en) * | 2017-11-01 | 2018-03-30 | 广西电网有限责任公司电力科学研究院 | A kind of detection method of content of sulfur dioxide in sulfur hexafluoride gas |
| CN107860837B (en) * | 2017-11-01 | 2020-05-12 | 广西电网有限责任公司电力科学研究院 | Method for detecting sulfur dioxide content in sulfur hexafluoride gas |
| CN115435238A (en) * | 2022-08-30 | 2022-12-06 | 重庆同辉科发气体有限公司 | A fill dress device that is used for high-purity carbon dioxide and high-purity nitrous oxide |
| CN115435238B (en) * | 2022-08-30 | 2023-12-15 | 重庆同辉科发气体有限公司 | Filling device for high-purity carbon dioxide and high-purity nitrous oxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
|
| CX01 | Expiry of patent term |