CN107588325B - A kind of sulfur hexafluoride gas recycling air charging system - Google Patents
A kind of sulfur hexafluoride gas recycling air charging system Download PDFInfo
- Publication number
- CN107588325B CN107588325B CN201710807683.5A CN201710807683A CN107588325B CN 107588325 B CN107588325 B CN 107588325B CN 201710807683 A CN201710807683 A CN 201710807683A CN 107588325 B CN107588325 B CN 107588325B
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- Prior art keywords
- branch
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- valve
- branch road
- recycling
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- 238000004064 recycling Methods 0.000 title claims abstract description 66
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 45
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 44
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims description 21
- 238000005057 refrigeration Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000000110 cooling liquid Substances 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 8
- 230000006837 decompression Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 238000005273 aeration Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/57—Recuperation of liquid or gas
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/45—Compounds containing sulfur and halogen, with or without oxygen
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to a kind of sulfur hexafluoride gas to recycle air charging system.It includes piecing devices that the sulfur hexafluoride gas, which recycles air charging system, piecing devices, which are connected with, vacuumizes branch, it recycles branch and inflation branch and can gate or be connected to and vacuumize branch and recycling branch and inflation branch, it vacuumizes branch road and is provided with vacuum pump, it recycles branch and is connected with air accumulator far from one end of piecing devices, the entrance of air accumulator is provided with gas storage valve, the upstream end for inflating branch is connect in air accumulator upstream with recycling branch, downstream is connect with the upstream end of recycling branch, recycling branch road is provided with gas liquefaction equipment, inflation branch road is provided with inflation branch road control valve.Sulfur hexafluoride gas recycling air charging system of the invention can be realized to the vacuumizing of equipment gas chamber, be vacuumized to device itself, the sulfur hexafluoride gas in reclaimer gas chamber, the operation such as inflation into equipment gas chamber, vdiverse in function.
Description
Technical field
The present invention relates to a kind of sulfur hexafluoride gas to recycle air charging system.
Background technique
Currently, sulfur hexafluoride gas is widely used in various high-tension switch gears for realizing high-tension switch gear
How gas-insulated still because the greenhouse effects of sulfur hexafluoride gas are huge, realizes that the recycling of sulfur hexafluoride gas is aobvious
It must be even more important.
Summary of the invention
The purpose of the present invention is to provide a kind of sulfur hexafluoride gas to recycle air charging system.
To achieve the above object, a kind of technical solution of sulfur hexafluoride gas recycling air charging system of the present invention is: Yi Zhongliu
Sulfur fluoride gas recycles air charging system, including piecing devices, and piecing devices, which are connected with, vacuumizes branch, recycling branch and inflation
Branch and can gate or be connected to vacuumize branch and recycling branch and inflation branch, vacuumize branch road be provided with vacuum pump, time
The one end of revenue and expenditure great distance from piecing devices is connected with air accumulator, and the entrance of air accumulator is provided with gas storage valve, inflates the upper of branch
Trip end is connect in air accumulator upstream with recycling branch, and downstream is connect with the upstream end of recycling branch, and recycling branch road is provided with
Gas liquefaction equipment, inflation branch road are provided with inflation branch road control valve, and recycling branch road is set at gas liquefaction equipment downstream
It is equipped with recycling branch road control valve, the first cylinder interface, inflation branch are provided between gas liquefaction equipment and recycling branch road control valve
Road be equipped with the second cylinder interface, inflation branch road in the second cylinder interface upstream end be equipped with filter device, inflation branch road in
Having heaters is arranged in the downstream of second cylinder interface, and the first pressure reducing valve, the gas are provided between heater and piecing devices
Liquefying plant includes the power-assisted compressor and main compressor being sequentially connected in series, and the recycling branch road is matched in the main compressor upstream
Gas circuit can be shorted the short circuit gas circuit that power-assisted compressor is shorted and be equipped with switch valve, be shorted in gas circuit in switch valve by being cased with
Downstream is provided with the second pressure reducing valve, and the upstream end of the recycling branch is provided with dust removal filter, and gas liquefaction equipment further includes
Cooling liquid device, cooling liquid device are located at main compressor downstream, are equipped between the main compressor and cooling liquid device
Radiator, the cooling liquid device include with the cooling tank of recycling branch connection and for carrying out cooling system to cooling tank
Cold group, external steel cylinder are connected at the first cylinder interface, open gas storage valve, start gas filling bottle function in air accumulator, inflation
Branch road control valve, switch valve are opened, and heater is begun to warm up, and main compressor, refrigeration unit starting, gas are taken out from air accumulator
Out, after gas storage valve, filter device, inflation branch road control valve, into being heated in heater, through the decompression of the first pressure reducing valve, dedusting
After filter filtering, enter in main compressor through switch valve, the second pressure reducing valve, it is tentatively cold through radiator after main compressor pressurization
But, into cooling tank, after refrigeration unit cooling liquefaction, pass through the first cylinder interface and flow into external steel cylinder.
Sulfur hexafluoride gas of the invention recycles air charging system, and setting vacuumizes branch and vacuumizes to equipment gas chamber,
Recycling branch is set for the sulfur hexafluoride gas in reclaimer gas chamber, setting inflation branch into equipment gas chamber for filling
Gas can vacuumize branch in addition, vacuumizing branch and recycling branch and inflation branch by piecing devices gating or connection
Vacuum pumping is carried out to equipment itself when with recycling branch and inflation branch connection.
Further, recycling branch road is equipped with first pressure controller in the upstream end of power-assisted compressor and switch valve, the
One pressure controller is used to monitor the pressure for being shorted branch road with the opening and closing of control switch valve, and then controls the throwing of power-assisted compressor
Out and put into.
Further, it is provided on the outlet conduit of the main compressor for detecting main compressor pressure at expulsion and arranging
Sulfur hexafluoride gas recycling air charging system second pressure controller out of service is controlled when atmospheric pressure is greater than the set value.By setting
Second pressure controller is set, realizes the exhaust overpressure protection of main compressor.
Further, the piecing devices include the first connector and the second connector, vacuumize branch and connect with the first connector,
Recycling branch and inflation branch are connect with the second connector, and it is between the two to control that communicating valve is equipped between the first, second connector
On-off.
Further, the first connector, which is also connected with, vacuumizes interface for what is connect with to air-extractor；Second connector is also
It is connected with the recycling inflatable interface for connecting with relevant device.
Further, the branch road that vacuumizes is provided with vacuum meter.
Further, it vacuumizes branch road and the downstream of vacuum meter, the inlet of vacuum pump is provided with the first vacuum valve.
Further, the inlet of the vacuum meter is provided with the second vacuum valve, and the branch road that vacuumizes is additionally provided with
Branch road gas pressure is vacuumized for detection and the first vacuum valve, the second vacuum valve are controlled when gas pressure is greater than the set value
The third pressure controller of closing.
Detailed description of the invention
Fig. 1 is the structure chart that sulfur hexafluoride gas recycles air charging system in the specific embodiment of the invention 1；
Fig. 2 is that the sulfur hexafluoride gas of equipment gas chamber mesohigh is recycled in air accumulator in the specific embodiment of the invention 1
When gas flow graph；
Fig. 3 is that the sulfur hexafluoride gas of equipment gas chamber mesolow is recycled in air accumulator in the specific embodiment of the invention 1
When gas flow graph；
Fig. 4 is that the sulfur hexafluoride gas of equipment gas chamber mesohigh is recycled to external steel cylinder in the specific embodiment of the invention 1
Gas flow graph when middle；
Fig. 5 is that the sulfur hexafluoride gas of equipment gas chamber mesolow is recycled to external steel cylinder in the specific embodiment of the invention 1
Gas flow graph when middle；
Fig. 6 is the gas flow graph when gas in air accumulator being filled in equipment gas chamber in the specific embodiment of the invention 1；
Fig. 7 is the gas flow graph when gas in air accumulator being filled in external steel cylinder in the specific embodiment of the invention 1；
Fig. 8 is the structure chart that sulfur hexafluoride gas recycles air charging system in the specific embodiment of the invention 2；
In figure: 1, vacuum pump；2, the first vacuum valve；3, the second vacuum valve；4, vacuum meter；5, third pressure controller；6,
Communicating valve；7, interface is vacuumized；8, inflatable interface is recycled；9, dust removal filter；10, switch valve；11, the first pressure reducing valve；12,
Two pressure reducing valves；13, heater；14, branch road control valve is inflated；15, the second cylinder interface；16, filter device；17, the first gas cylinder
Interface；18, gas storage valve；19, air accumulator；20, branch road control valve is recycled；21, refrigeration unit；22, cooling tank；23, radiator；
24, second pressure controller；25, main compressor；26, check valve；27, power-assisted compressor；28, bypass valve；29, first pressure control
Device processed.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
A kind of specific embodiment 1 of sulfur hexafluoride gas recycling air charging system of the invention, as shown in Figures 1 to 7, including
Branch, recycling branch and inflation branch are vacuumized, branch road is vacuumized and is provided with the first connector A, recycle the upstream end of branch
Downstream with inflation branch passes through unicom pipeline connection by the second connector B connection between the first connector A and the second connector B,
Communicating valve 6 is provided on unicom pipeline.Wherein, it vacuumizes branch and also passes through the first connector A and be connected with and vacuumize interface 7, recycle
Branch and inflation branch also pass through the second connector B and are connected with recycling inflatable interface 8.
In the above branch, branch is recycled from upstream to downstream and is disposed with dust removal filter 9, first pressure controller
29, bypass valve 28, power-assisted compressor 27, check valve 26, main compressor 25, second pressure controller 24, radiator 23, coolant liquid
Makeup sets, recycles branch road control valve 20, gas storage valve 18, air accumulator 19.Recycle upstream and check valve of the branch also in bypass valve 28
It is connected with short circuit gas circuit between 26 downstream, is shorted in gas circuit and is disposed with switch valve 10, the second pressure reducing valve 12.Wherein,
One pressure controller 29 is used to monitor the pressure for being shorted branch road with the opening and closing of control switch valve 10, and then controls power-assisted compressor
27 launching and put into.For example, closing bypass valve 28 when gas pressure is more than setting value (about 0.02 MPa), switch is opened
Valve 10 carries out sulfur hexafluoride gas and recycles operation, when the measured value of first pressure controller 29 is lower than setting pressure (about 0.02
When MPa), valve 10 is turned off the switch at this time, opens bypass valve 28, while power-assisted compressor 27 is opened, and is started negative pressure and is recycled function.The
Two pressure controllers 24 are used to detect 25 pressure at expulsion of main compressor and are greater than the set value that (highest of compressor permits in pressure at expulsion
Perhaps pressure at expulsion) when control sulfur hexafluoride gas recycling air charging system it is out of service, protect main compressor 25 not to be damaged, realization
Main compressor 25 is vented overpressure protection function.Cooling liquid device include with recycling branch connection cooling tank 22 and for pair
Cooling tank carries out cooling refrigeration unit 21.In addition, being also connected with the between cooling liquid device and recycling branch road control valve 20
One cylinder interface 17.
Inflate branch upstream end 19 upstream of air accumulator with recycling branch connect, inflate branch on the road from upstream to downstream according to
It is secondary to be provided with filter device 16, inflation branch road control valve 14, heater 13, the first pressure reducing valve 11.Wherein, filter device 16 with fill
The second cylinder interface 15 is connected between gas branch road control valve 14.
It vacuumizes branch road and is disposed with third pressure controller 5, the first vacuum valve 2, vacuum pump from upstream to downstream
1, vacuum meter 4 is connected with by vacuum pipe between third pressure controller 5 and the first vacuum valve 2, the inlet of vacuum meter is set
It is equipped with the second vacuum valve 3, wherein third pressure controller 5 vacuumizes branch road gas pressure and in gas pressure for detecting
The first vacuum valve 2, the closing of the second vacuum valve 3 are controlled when being greater than the set value (about 0.02 MPa), prevent vacuum pump 1 and vacuum meter
The damage of 4 superpressures, realizes vacuum degree end overpressure protection.
Sulfur hexafluoride gas of the invention recycles air charging system in actual use:
Equipment gas chamber is vacuumized: equipment gas chamber being connected to and vacuumizes interface 7, starting device gas chamber vacuumizes function
Can, vacuum pump 1 starts, and the first vacuum valve 2 is opened, and starts to vacuumize, while the second vacuum valve 3 is opened, readable by vacuum meter 4
Take vacuum degree.During being somebody's turn to do, if closing the first vacuum valve 2, permanent vacuum degree in equipment gas chamber can be read.
Sulfur hexafluoride gas recycling air charging system itself is vacuumized: at the beginning of sulfur hexafluoride gas recycles air charging system
When being reused after secondary use or maintenance, air charging system itself need to be recycled to sulfur hexafluoride gas and vacuumized.Opening device itself
Vacuumizing function, vacuum pump 1 start, the first vacuum valve 2, the second vacuum valve 3, communicating valve 6, recycling branch road control valve 20, gas storage
Valve 18 is opened, and survival gas is extracted inside device.
Sulfur hexafluoride gas in equipment gas chamber is recycled in air accumulator 19: equipment gas chamber being connected to recycling inflation and is connect
Mouth 8(, which also can connect, is vacuumizing interface 7, opens communicating valve 6), open gas storage valve 18, starting recycling function, when equipment gas chamber
In gas pressure more than setting value when, air-flow flow process is as shown by the arrows in Figure 2, main compressor 25, refrigeration unit 21
Starting, switch valve 10, recycling branch road control valve 20 are opened, and the indoor sulfur hexafluoride gas of equipment gas is filtered from dust removal filter 9
Afterwards, enter in main compressor 25 through switch valve 10, the second pressure reducing valve 12, it is preliminary cold through radiator 23 after main compressor 25 pressurizes
But, it liquefies (low-temperature liquefaction storage function) into after being cooled down in cooling tank 22 by refrigeration unit 21, recovered branch road control valve
20, it is flowed into air accumulator 19 after gas storage valve 18.
With the progress of aspiration procedure, the pressure in equipment gas chamber gradually lowers, and sets when the pressure in equipment gas chamber is lower than
When definite value, switch valve 10 is closed, and bypass valve 28 and power-assisted compressor 27 are opened, and switches to negative pressure recycling state, at this time air-flow stream
Dynamic process is as shown by the arrows in Figure 3, the indoor sulfur hexafluoride gas of equipment gas after the filtering of dust removal filter 9, through bypass valve 28,
Power-assisted compressor 27, check valve 26 enter in main compressor 25, tentatively cooling through radiator 23 after main compressor 25 pressurizes, into
Enter in cooling tank 22, liquefies (low-temperature liquefaction storage function) after being cooled down by refrigeration unit 21, recovered branch road control valve 20, gas storage
It is flowed into air accumulator 19 after valve 18.Until the pressure reduction in switching gas chamber is to setting pressure (generally absolute pressure 1330Pa
Below).
Sulfur hexafluoride gas in equipment gas chamber is recycled in external steel cylinder: at this point, in the flow process such as Fig. 4 of gas
Shown in arrow, equipment gas chamber be connected to recycling inflatable interface 8(also can connect and vacuumizing interface 7, open communicating valve 6),
External steel cylinder is connected at the second cylinder interface 15, and gas storage valve 18 is kept to close, starting recycling function, main compressor 25, refrigeration
Unit 21 starts, and switch valve 10, recycling branch road control valve 20 are opened, and the indoor sulfur hexafluoride gas of equipment gas is in dust removal filter
After being filtered in 9, enter in main compressor 25 through switch valve 10, the second pressure reducing valve 12, after main compressor 25 pressurizes, through radiator 23
It is preliminary cooling, into cooling tank 22, liquefy (low-temperature liquefaction storage function) after being cooled down by refrigeration unit 21, recovered branch control
Valve 20 processed, filter device 16, flow into external steel cylinder.In this process, when the gas pressure in equipment gas chamber is lower than setting value
When, switch valve 10 is closed, and bypass valve 28 is opened, and is switched to negative pressure recycling state and is recycled, at this point, the flow process of gas is such as
In Fig. 5 shown in arrow.
Gas in air accumulator 19 is filled in equipment gas chamber: equipment gas chamber is connected to recycling inflatable interface 8(can also be with
It is connected to and vacuumizes interface 7, opens communicating valve 6), gas storage valve 18 is opened, aerification function is started, inflation branch road control valve 14 is beaten
It opens, heater 13 is begun to warm up, and gas is extracted out from air accumulator 19, through gas storage valve 18, filter device 16, inflation branch road control valve 14
Afterwards, into heating in heater 13, after the decompression of the first pressure reducing valve 11, it is charged to equipment gas chamber, filter device 16 can be by gas
In the filtering such as moisture, decomposition product, particulate matter, guarantee the quality (purification function) for filling gas out, at this point, gas flows over
Journey is as shown by the arrows in Figure 6.
Gas in air accumulator 19 is filled in external steel cylinder: external steel cylinder is connected at the first cylinder interface 17, is opened
Gas storage valve 18 starts gas filling bottle function in storage tank, and inflation branch road control valve 14, switch valve 10 are opened, and heater 13 starts to add
Heat, main compressor 25, refrigeration unit 21 start, and gas is extracted out from air accumulator 19, through gas storage valve 18, filter device 16, inflation
After branch road control valve 14, into being heated in heater 13, after the decompression of the first pressure reducing valve 11, dust removal filter 9 filter, through switching
Valve 10, the second pressure reducing valve 12 enter in main compressor 25, and tentatively cooling through radiator 23 after main compressor 25 pressurizes, entrance is cold
But in tank 22, after liquefying after being cooled down by refrigeration unit 21, external steel cylinder is flowed by the first cylinder interface 17.At this point, gas
Flow process is as shown by the arrows in Figure 7.
In the present embodiment, the recycling inflatable interface 8, the first cylinder interface 17, the second cylinder interface 15 be not and outside
When connecing equipment connection, self-sealing may be implemented.The communicating valve 6, gas storage valve 18 are ball valve, the first vacuum valve 2, the second vacuum
Valve 3, bypass valve 28, switch valve 10, recycling branch road control valve 20 and inflation branch road control valve 14 are solenoid valve.
The difference of the specific embodiment 2 and specific embodiment 1 of a kind of sulfur hexafluoride gas recycling air charging system of the invention
It is: can not also be by by the first connector and second between branch and recycling branch and inflation branch as shown in figure 8, vacuumizing
The piecing devices connection that connector is constituted, but connected by piecing devices C, at this point, vacuumizing branch and recycling branch and inflation
The direct connection of branch vacuumizes branch and connect with equipment gas chamber by recycling inflatable interface and carry out vacuumizing behaviour to equipment
Make.
The difference of the specific embodiment 3 and specific embodiment 1 of a kind of sulfur hexafluoride gas recycling air charging system of the invention
Be: recycling branch road is used to carry out liquefied gas liquefaction equipment to gas to be not provided with cold only with main compressor
But liquefying plant.
Claims (8)
1. a kind of sulfur hexafluoride gas recycles air charging system, it is characterised in that: including piecing devices, it is true that piecing devices are connected with pumping
Empty branch, recycling branch and inflation branch and can gate or be connected to vacuumize branch and recycling branch and inflation branch, take out very
Empty branch road is provided with vacuum pump, recycles branch far from one end of piecing devices and is connected with air accumulator, the entrance of air accumulator is set
It is equipped with gas storage valve, the upstream end for inflating branch is connect in air accumulator upstream with recycling branch, the upstream of downstream and recycling branch
End connection, recycling branch road are provided with gas liquefaction equipment, and inflation branch road is provided with inflation branch road control valve, recycling branch road
It is provided with recycling branch road control valve at gas liquefaction equipment downstream, is arranged between gas liquefaction equipment and recycling branch road control valve
There is the first cylinder interface, inflation branch road is equipped with the second cylinder interface, and inflation branch road is equipped in the second cylinder interface upstream end
Filter device, inflation branch road are arranged having heaters in the downstream of the second cylinder interface, are arranged between heater and piecing devices
There is the first pressure reducing valve, the gas liquefaction equipment includes the power-assisted compressor and main compressor being sequentially connected in series, the recycling branch
On in the main compressor upstream be configured with can by the short circuit gas circuit that power-assisted compressor is shorted, be shorted gas circuit be equipped with switch
Valve, is shorted in gas circuit and the downstream of switch valve is provided with the second pressure reducing valve, and the upstream end of the recycling branch is provided with dedusting
Filter, gas liquefaction equipment further include cooling liquid device, and cooling liquid device is located at main compressor downstream, the main compressor
Radiator is equipped between cooling liquid device, the cooling liquid device includes the cooling tank and use with recycling branch connection
In carrying out cooling refrigeration unit to cooling tank, external steel cylinder is connected at the first cylinder interface, opens gas storage valve, starts gas storage
Gas filling bottle function in tank, inflation branch road control valve, switch valve are opened, and heater is begun to warm up, and main compressor, refrigeration unit open
Dynamic, gas is extracted out from air accumulator, after gas storage valve, filter device, inflation branch road control valve, into heating in heater, is passed through
After the decompression of first pressure reducing valve, dust removal filter filtering, enter in main compressor through switch valve, the second pressure reducing valve, main compressor adds
It is tentatively cooling through radiator after pressure, into cooling tank, after refrigeration unit cooling liquefaction, flowed by the first cylinder interface
External steel cylinder.
2. sulfur hexafluoride gas according to claim 1 recycles air charging system, it is characterised in that: recycling branch road is in power-assisted
The upstream end of compressor and switch valve is equipped with first pressure controller, and first pressure controller is used to monitor the pressure for being shorted branch road
Power controls launching and putting into for power-assisted compressor with the opening and closing of control switch valve.
3. sulfur hexafluoride gas according to claim 1 recycles air charging system, it is characterised in that: the main compressor goes out
It is provided on mouth pipeline for detecting main compressor pressure at expulsion and the control sulfur hexafluoride gas when pressure at expulsion is greater than the set value
Body recycles air charging system second pressure controller out of service.
4. sulfur hexafluoride gas according to claim 1 recycles air charging system, it is characterised in that: the piecing devices include
First connector and the second connector vacuumize branch and connect with the first connector, recycle branch and inflation branch is connect with the second connector,
Communicating valve is equipped between first, second connector to control on-off between the two.
5. sulfur hexafluoride gas according to claim 4 recycles air charging system, it is characterised in that: the first connector is also connected with
Interface is vacuumized for what is connect with to air-extractor；Second connector is also connected with the inflation of the recycling for connecting with relevant device
Interface.
6. sulfur hexafluoride gas according to claim 1 recycles air charging system, it is characterised in that: described to vacuumize branch road
It is provided with vacuum meter.
7. sulfur hexafluoride gas according to claim 6 recycles air charging system, it is characterised in that: vacuumize branch road in true
The downstream of sky meter, the inlet of vacuum pump are provided with the first vacuum valve.
8. sulfur hexafluoride gas according to claim 7 recycles air charging system, it is characterised in that: the entrance of the vacuum meter
Place is provided with the second vacuum valve, it is described vacuumize branch road and be additionally provided with vacuumize branch road gas pressure and in gas for detecting
The third pressure controller that body pressure controls the first vacuum valve when being greater than the set value, the second vacuum valve is closed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807683.5A CN107588325B (en) | 2017-09-08 | 2017-09-08 | A kind of sulfur hexafluoride gas recycling air charging system |
| PCT/CN2017/108580 WO2019047349A1 (en) | 2017-09-08 | 2017-10-31 | Gas recovery and inflation device and sulfur hexafluoride gas recovery and inflation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807683.5A CN107588325B (en) | 2017-09-08 | 2017-09-08 | A kind of sulfur hexafluoride gas recycling air charging system |
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| Publication Number | Publication Date |
|---|---|
| CN107588325A CN107588325A (en) | 2018-01-16 |
| CN107588325B true CN107588325B (en) | 2019-09-13 |
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| CN201710807683.5A Active CN107588325B (en) | 2017-09-08 | 2017-09-08 | A kind of sulfur hexafluoride gas recycling air charging system |
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| WO (1) | WO2019047349A1 (en) |
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| CN108386713B (en) * | 2018-02-12 | 2023-12-01 | 国家电网公司 | Insulating gas treatment device and control method thereof |
| CN108194827B (en) * | 2018-02-12 | 2023-09-15 | 国家电网公司 | Insulating gas treatment device and control method thereof |
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| CN111365608B (en) * | 2020-04-23 | 2021-03-26 | 蓝箭航天空间科技股份有限公司 | Method for filling and recovering high-pressure gas |
| CN112050084B (en) * | 2020-08-14 | 2023-09-01 | 广东冠电科技股份有限公司 | Gas collecting and sampling device |
| CN112483884B (en) * | 2020-12-21 | 2022-05-20 | 南通虹登机械设备有限公司 | Liquid gas storage device for improving inflation purity of SF6 gas station |
| CN114151731A (en) * | 2022-01-11 | 2022-03-08 | 国家电网有限公司特高压建设分公司 | High-capacity sulfur hexafluoride rapid recovery equipment |
| CN114719461B (en) * | 2022-04-19 | 2024-01-23 | 安徽新力电业科技咨询有限责任公司 | For SF 6 Heat exchange system of gas recovery and recharging device and two-stage temperature control method thereof |
| CN114797462B (en) * | 2022-05-25 | 2024-02-23 | 武汉大学 | Sulfur hexafluoride thermal catalytic cycle degradation device added with hydrogen |
| CN116221620A (en) * | 2022-12-28 | 2023-06-06 | 江苏省送变电有限公司 | Sulfur hexafluoride rapid gasification system and control method thereof |
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| CN2200229Y (en) * | 1994-05-10 | 1995-06-07 | 陈俊 | Recoverying regenerative device of SF6 gas |
| JP4357046B2 (en) * | 1999-10-01 | 2009-11-04 | 株式会社東芝 | Gas recovery device |
| CN100522801C (en) * | 2007-08-08 | 2009-08-05 | 安徽省电力科学研究院 | Sulfur hexafluoride reclaiming and recharging device |
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| CN2050924U (en) * | 1989-04-15 | 1990-01-10 | 陆剑飞 | Gas charging-discharging and recovering device |
| CN2138242Y (en) * | 1992-07-21 | 1993-07-14 | 陆剑飞 | SF6 air filling, recovering and purifying apparatus |
| CN2938373Y (en) * | 2006-08-22 | 2007-08-22 | 上海雷格仪器有限公司 | SF6 insulation and recoverying device |
| CN201162939Y (en) * | 2008-01-30 | 2008-12-10 | 金万林 | Full-automatic sulfur hexafluoride multifunctional inflation reclaimer |
| CN201369283Y (en) * | 2009-02-27 | 2009-12-23 | 平高集团有限公司 | Recovering and refilling device for sulfur hexafluoride gas |
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| CN103560041A (en) * | 2013-11-15 | 2014-02-05 | 国家电网公司 | High-power sulfur hexafluoride recovery recharging device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107588325A (en) | 2018-01-16 |
| WO2019047349A1 (en) | 2019-03-14 |
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