CN107588325A - A kind of sulfur hexafluoride gas reclaims aerating device - Google Patents
A kind of sulfur hexafluoride gas reclaims aerating device Download PDFInfo
- Publication number
- CN107588325A CN107588325A CN201710807683.5A CN201710807683A CN107588325A CN 107588325 A CN107588325 A CN 107588325A CN 201710807683 A CN201710807683 A CN 201710807683A CN 107588325 A CN107588325 A CN 107588325A
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- CN
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- Prior art keywords
- branch road
- sulfur hexafluoride
- recovery
- aerating device
- gas
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Classifications
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- 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
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- 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
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- 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 reclaim aerating device.Sulfur hexafluoride gas recovery aerating device includes piecing devices, piecing devices, which are connected with, vacuumizes branch road, reclaim branch road and inflation branch road and can gate or connect and vacuumize branch road and recovery branch road and inflation branch road, vacuumize and vavuum pump is provided with branch road, the one end of recovery branch road away from piecing devices is connected with air accumulator, the entrance of air accumulator is provided with gas storage valve, the upstream end for inflating branch road is connected in air accumulator upstream with recovery branch road, downstream is connected with reclaiming the upstream end of branch road, gas liquefaction equipment is provided with recovery branch road, inflation branch road control valve is provided with inflation branch road.The sulfur hexafluoride gas recovery aerating device of the present invention can realize to the vacuumizing of equipment air chamber, device is vacuumized in itself, the sulfur hexafluoride gas in reclaimer air chamber, the operation such as inflation into equipment air chamber, it is vdiverse in function.
Description
Technical field
The present invention relates to a kind of sulfur hexafluoride gas to reclaim aerating device.
Background technology
At present, sulfur hexafluoride gas is widely used in being used to realize high-tension switch gear in various high-tension switch gears
Gas-insulated, still, because the greenhouse effects of sulfur hexafluoride gas are huge, how to realize that the recycling of sulfur hexafluoride gas shows
It must be even more important.
The content of the invention
It is an object of the invention to provide a kind of sulfur hexafluoride gas to reclaim aerating device.
To achieve the above object, a kind of technical scheme 1 of sulfur hexafluoride gas recovery aerating device of the present invention is：One kind six
Sulfur fluoride gas reclaims aerating device, including piecing devices, and piecing devices, which are connected with, vacuumizes branch road, recovery branch road and inflation
Branch road and can gate or connect vacuumize branch road with recovery branch road and inflation branch road, vacuumize and vavuum pump be provided with branch road, time
Revenue and expenditure great distance is connected with air accumulator from one end of piecing devices, and the entrance of air accumulator is provided with gas storage valve, inflates the upper of branch road
Trip end is connected in air accumulator upstream with recovery branch road, and downstream is connected with reclaiming the upstream end of branch road, is reclaimed and is provided with branch road
Gas liquefaction equipment, inflate and be provided with inflation branch road control valve on branch road.
The sulfur hexafluoride gas recovery aerating device of the present invention, setting vacuumize branch road and equipment air chamber are vacuumized,
The sulfur hexafluoride gas for setting recovery branch road to be used in reclaimer air chamber, inflation branch road is set to be used to fill into equipment air chamber
Gas, in addition, vacuumizing branch road and recovery branch road and inflation branch road by piecing devices gating or UNICOM, branch road can vacuumized
With carrying out vacuum pumping to equipment itself when recovery branch road and inflation branch road UNICOM.
A kind of technical scheme 2 of sulfur hexafluoride gas recovery aerating device of the present invention is done on the basis of technical scheme 1
Further improve：Be provided with recovery branch road control valve at gas liquefaction equipment downstream on recovery branch road, gas liquefaction equipment with
The first cylinder interface is provided between recovery branch road control valve.
A kind of technical scheme 3 of sulfur hexafluoride gas recovery aerating device of the present invention is done on the basis of technical scheme 1
Further improve：Inflation branch road is provided with the second cylinder interface.
A kind of technical scheme 4 of sulfur hexafluoride gas recovery aerating device of the present invention is done on the basis of technical scheme 3
Further improve：On inflation loop filter is provided with the second cylinder interface upstream end.By by the sulfur hexafluoride of the pipeline section
Filtered, make sulfur hexafluoride more clean.
A kind of technical scheme 5 of sulfur hexafluoride gas recovery aerating device of the present invention is done on the basis of technical scheme 3
Further improve：Inflate and having heaters is set in the downstream of the second cylinder interface on branch road.
A kind of technical scheme 6 of sulfur hexafluoride gas recovery aerating device of the present invention is done on the basis of technical scheme 5
Further improve：The first pressure-reducing valve is provided between heater and piecing devices.
A kind of technical scheme 7 of sulfur hexafluoride gas recovery aerating device of the present invention is any skill in technical scheme 1-6
It is further improved on the basis of art scheme：The gas liquefaction equipment includes the power-assisted compressor being sequentially connected in series and main compression
Machine, be configured with the main compressor upstream can be by the short circuit gas circuit of power-assisted compressor short circuit, short circuit on the recovery branch road
Gas circuit is provided with switch valve.
A kind of technical scheme 8 of sulfur hexafluoride gas recovery aerating device of the present invention is done on the basis of technical scheme 7
Further improve：The downstream of switch valve is provided with the second pressure-reducing valve in short circuit gas circuit.
A kind of technical scheme 9 of sulfur hexafluoride gas recovery aerating device of the present invention is done on the basis of technical scheme 7
Further improve：On recovery branch road first pressure controller, first pressure are provided with the upstream end of power-assisted compressor and switch valve
The pressure that controller is used to monitor on short circuit branch road controls launching and throwing for power-assisted compressor with the keying of controlling switch valve
Enter.
A kind of technical scheme 10 of sulfur hexafluoride gas recovery aerating device of the present invention is done on the basis of technical scheme 7
Further improve：The upstream end of the recovery branch road is provided with dust removal filter.The gas extracted out in slave unit air chamber is carried out
Dust removal process, make the gas into device cleaner.
A kind of technical scheme 11 of sulfur hexafluoride gas recovery aerating device of the present invention is done on the basis of technical scheme 7
Further improve：Gas liquefaction equipment also includes cooling liquid device, and cooling liquid device is located at main compressor downstream.
A kind of technical scheme 12 of sulfur hexafluoride gas recovery aerating device of the present invention is on the basis of technical scheme 11
It is further improved：Radiator is provided between the main compressor and cooling liquid device.
A kind of technical scheme 13 of sulfur hexafluoride gas recovery aerating device of the present invention is done on the basis of technical scheme 7
Further improve：It is provided with the outlet conduit of the main compressor for detecting main compressor pressure at expulsion and in pressure at expulsion
Sulfur hexafluoride gas recovery aerating device second pressure controller out of service is controlled during more than setting value.By setting second
Pressure controller, realize the exhaust overpressure protection of main compressor.
A kind of technical scheme 14 of sulfur hexafluoride gas recovery aerating device of the present invention is any skill in technical scheme 1-6
It is further improved on the basis of art scheme：The piecing devices include the first joint and the second joint, vacuumize branch road and
One joint connects, and reclaims branch road and inflation branch road is connected with the second joint, valve is communicated between first, second joint to control
Therebetween break-make.
A kind of technical scheme 15 of sulfur hexafluoride gas recovery aerating device of the present invention is on the basis of technical scheme 14
It is further improved：First joint is also associated with for treating that what air-extractor was connected vacuumizes interface；Second joint is also connected with
There is the recovery inflatable interface for being connected with relevant device.
A kind of technical scheme 16 of sulfur hexafluoride gas recovery aerating device of the present invention is any skill in technical scheme 1-6
It is further improved on the basis of art scheme：Described vacuumize is provided with vacuum meter on branch road.
A kind of technical scheme 17 of sulfur hexafluoride gas recovery aerating device of the present invention is on the basis of technical scheme 16
It is further improved：Vacuumize and the porch in the downstream of vacuum meter, vavuum pump is provided with the first vacuum valve on branch road.
A kind of technical scheme 18 of sulfur hexafluoride gas recovery aerating device of the present invention is on the basis of technical scheme 16
It is further improved：The porch of the vacuum meter is provided with the second vacuum valve, it is described vacuumize to be additionally provided with branch road be used for
Detection vacuumizes gas pressure on branch road and controls the first vacuum valve, the second vacuum valve to close when gas pressure is more than setting value
The 3rd pressure controller.
Brief description of the drawings
Fig. 1 is the structure chart that sulfur hexafluoride gas reclaims aerating device in the specific embodiment of the invention 1；
Fig. 2 is that the sulfur hexafluoride gas of equipment air chamber mesohigh is recycled to when in air accumulator in the specific embodiment of the invention 1
Gas flow graph；
Fig. 3 is that the sulfur hexafluoride gas of equipment air chamber mesolow is recycled to when in air accumulator in the specific embodiment of the invention 1
Gas flow graph；
Fig. 4 is when the sulfur hexafluoride gas of equipment air chamber mesohigh is recycled in external steel cylinder in the specific embodiment of the invention 1
Gas flow graph；
Fig. 5 is when the sulfur hexafluoride gas of equipment air chamber mesolow is recycled in external steel cylinder in the specific embodiment of the invention 1
Gas flow graph；
Fig. 6 is that the gas in air accumulator is filled with to gas flow graph when in equipment air chamber in the specific embodiment of the invention 1；
Fig. 7 is that the gas in air accumulator is filled with to gas flow graph when in external steel cylinder in the specific embodiment of the invention 1；
Fig. 8 is the structure chart that sulfur hexafluoride gas reclaims aerating device in the specific embodiment of the invention 2；
In figure：1st, vavuum pump；2nd, the first vacuum valve；3rd, the second vacuum valve；4th, vacuum meter；5th, the 3rd pressure controller；6th, connect
Valve；7th, interface is vacuumized；8th, inflatable interface is reclaimed；9th, dust removal filter；10th, switch valve；11st, the first pressure-reducing valve；12nd, second subtracts
Pressure valve；13rd, heater；14th, branch road control valve is inflated；15th, the second cylinder interface；16th, filter；17th, the first cylinder interface；
18th, gas storage valve；19th, air accumulator；20th, branch road control valve is reclaimed；21st, refrigeration unit；22nd, cooling tank；23rd, radiator；24th, second
Pressure controller；25th, main compressor；26th, check valve；27th, power-assisted compressor；28th, bypass valve；29th, first pressure controller.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
A kind of specific embodiment 1 of sulfur hexafluoride gas recovery aerating device of the present invention, as shown in Figures 1 to 7, including
Branch road, recovery branch road and inflation branch road are vacuumized, vacuumizes and the first joint A is provided with branch road, reclaim the upstream end of branch road
Downstream with inflation branch road is by the second joint B UNICOMs, by unicom pipeline UNICOM between the first joint A and the second joint B,
Communicating valve 6 is provided with unicom pipeline.Wherein, vacuumize branch road and be also connected with by the first joint A and vacuumize interface 7, reclaim
Branch road and inflation branch road are also connected with recovery inflatable interface 8 by the second joint B.
In above branch road, recovery branch road is disposed with dust removal filter 9, first pressure controller from upstream to downstream
29th, bypass valve 28, power-assisted compressor 27, check valve 26, main compressor 25, second pressure controller 24, radiator 23, coolant
Makeup is put, reclaims branch road control valve 20, gas storage valve 18, air accumulator 19.Branch road is reclaimed also in the upstream of bypass valve 28 and check valve
Short circuit gas circuit is connected between 26 downstream, switch valve 10, the second pressure-reducing valve 12 are disposed with short circuit gas circuit.Wherein,
The pressure that one pressure controller 29 is used to monitor on short circuit branch road controls power-assisted compressor with the keying of controlling switch valve 10
27 launching and put into.For example, exceed setting value in gas pressure（About 0.02 MPa）When, bypass valve 28 is closed, opens switch
Valve 10 carries out sulfur hexafluoride gas recovery operation, when the measured value of first pressure controller 29 is less than setting pressure（About 0.02
MPa）When, now closing switch valve 10, opens bypass valve 28, while power-assisted compressor 27 is opened, and starts negative pressure recovery function.The
Two pressure controllers 24 are used to detect the pressure at expulsion of main compressor 25 and be more than setting value in pressure at expulsion（The highest of compressor permits
Perhaps pressure at expulsion）When control sulfur hexafluoride gas recovery aerating device it is out of service, protection main compressor 25 be not damaged by, realize
Main compressor 25 is vented overpressure protection function.Cooling liquid device include with the cooling tank 22 of recovery branch road UNICOM and for pair
The refrigeration unit 21 that cooling tank is cooled down.In addition, it is also associated with the between cooling liquid device and recovery branch road control valve 20
One cylinder interface 17.
Inflate branch road upstream end the upstream of air accumulator 19 with recovery branch road be connected, inflation branch road on from upstream to downstream according to
It is secondary to be provided with filter 16, inflation branch road control valve 14, heater 13, the first pressure-reducing valve 11.Wherein, filter 16 is with filling
The second cylinder interface 15 is connected between gas branch road control valve 14.
Vacuumize and be disposed with the 3rd pressure controller 5, the first vacuum valve 2, vavuum pump from upstream to downstream on branch road
1, vacuum meter 4 is connected with by vacuum pipe between the 3rd pressure controller 5 and the first vacuum valve 2, the porch of vacuum meter is set
The second vacuum valve 3 is equipped with, wherein, the 3rd pressure controller 5 vacuumizes on branch road gas pressure and in gas pressure for detection
More than setting value（About 0.02 MPa）When control the first vacuum valve 2, the second vacuum valve 3 to close, prevent vavuum pump 1 and vacuum meter
4 superpressures are damaged, and realize vacuum end overpressure protection.
The sulfur hexafluoride gas recovery aerating device of the present invention is in actual use：
Equipment air chamber is vacuumized：Equipment air chamber is connected to and vacuumizes interface 7, starting device air chamber vacuumizes function,
Vavuum pump 1 starts, and the first vacuum valve 2 is opened, and starts to vacuumize, while the second vacuum valve 3 is opened, and can be read by vacuum meter 4
Vacuum.During being somebody's turn to do, if turned off the first vacuum valve 2, permanent vacuum degree in readable taking equipment air chamber.
Sulfur hexafluoride gas recovery aerating device is vacuumized in itself：At the beginning of sulfur hexafluoride gas reclaims aerating device
When being reused after secondary use or maintenance, aerating device itself need to be reclaimed to sulfur hexafluoride gas and vacuumized.Opening device itself
Function is vacuumized, vavuum pump 1 starts, the first vacuum valve 2, the second vacuum valve 3, communicating valve 6, recovery branch road control valve 20, gas storage
Valve 18 is opened, and survival gas is extracted inside device.
Sulfur hexafluoride gas in equipment air chamber is recycled in air accumulator 19：Equipment air chamber is connected into recovery inflation to connect
Mouth 8（It can also be connected to and vacuumize interface 7, open communicating valve 6）, gas storage valve 18 is opened, starts recovery function, when equipment air chamber
In gas pressure more than setting value when, air current flow process as shown by the arrows in Figure 2, main compressor 25, refrigeration unit 21
Start, switch valve 10, recovery branch road control valve 20 are opened, and the sulfur hexafluoride gas in equipment air chamber filters from dust removal filter 9
Afterwards, enter through switch valve 10, the second pressure-reducing valve 12 in main compressor 25, it is tentatively cold through radiator 23 after main compressor 25 pressurizes
But, into cooling tank 22, liquefied after being cooled by refrigeration unit 21（Low-temperature liquefaction memory function）, recovered branch road control valve
20th, flowed into after gas storage valve 18 in air accumulator 19.
With the progress of aspiration procedure, the pressure in equipment air chamber gradually lowers, and is set when the pressure in equipment air chamber is less than
During definite value, switch valve 10 is closed, and bypass valve 28 and power-assisted compressor 27 are opened, and switches to negative pressure recovery state, now air-flow stream
Dynamic process as shown by the arrows in Figure 3, sulfur hexafluoride gas in equipment air chamber after the filtering of dust removal filter 9, through bypass valve 28,
Power-assisted compressor 27, check valve 26 enter in main compressor 25, after main compressor 25 pressurizes, tentatively cool down, enter through radiator 23
Enter in cooling tank 22, liquefied after being cooled by refrigeration unit 21（Low-temperature liquefaction memory function）, recovered branch road control valve 20, gas storage
Flowed into after valve 18 in air accumulator 19.Until the pressure in switching gas chamber is reduced to setting pressure（Generally absolute pressure 1330Pa
Below）.
Sulfur hexafluoride gas in equipment air chamber is recycled in external steel cylinder：Now, in the flow process such as Fig. 4 of gas
Shown in arrow, equipment air chamber is connected to recovery inflatable interface 8（It can also be connected to and vacuumize interface 7, open communicating valve 6）,
External steel cylinder is connected at the second cylinder interface 15, keeps gas storage valve 18 to close, and starts recovery function, main compressor 25, refrigeration
Unit 21 starts, and switch valve 10, recovery branch road control valve 20 are opened, and the sulfur hexafluoride gas in equipment air chamber is in dust removal filter
After being filtered in 9, enter through switch valve 10, the second pressure-reducing valve 12 in main compressor 25, after main compressor 25 pressurizes, through radiator 23
Preliminary cooling, into cooling tank 22, liquefies after being cooled by refrigeration unit 21（Low-temperature liquefaction memory function）, recovered branch road control
Valve 20 processed, filter 16, are flowed into external steel cylinder.In this process, when the gas pressure in equipment air chamber is less than setting value
When, switch valve 10 is closed, and opens bypass valve 28, is switched to negative pressure recovery state and is reclaimed, now, the flow process of gas is such as
In Fig. 5 shown in arrow.
Gas in air accumulator 19 is filled with equipment air chamber：Equipment air chamber is connected to recovery inflatable interface 8（Can also
It is connected to and vacuumizes interface 7, opens communicating valve 6）, gas storage valve 18 is opened, starts aerification function, inflation branch road control valve 14 is beaten
Open, heater 13 is begun to warm up, and gas is extracted out from air accumulator 19, through gas storage valve 18, filter 16, inflation branch road control valve 14
Afterwards, into heating in heater 13, after the decompression of the first pressure-reducing valve 11, equipment air chamber is charged to, filter 16 can be by gas
In moisture, catabolite, the filtering such as particulate matter, ensure to fill the quality of gas（Purification function）, now, gas flows over
Journey is as shown by the arrows in Figure 6.
Gas in air accumulator 19 is filled with external steel cylinder：External steel cylinder is connected at the first cylinder interface 17, is opened
Gas storage valve 18, start gas filling bottle function in storage tank, 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 16, inflation
After branch road control valve 14, heated into heater 13, after the first pressure-reducing valve 11 depressurizes, dust removal filter 9 filters, through switch
Valve 10, the second pressure-reducing valve 12 enter in main compressor 25, after main compressor 25 pressurizes, are tentatively cooled down through radiator 23, entrance is cold
But in tank 22, after being liquefied after being cooled by refrigeration unit 21, external steel cylinder is flowed into by the second cylinder interface 15.Now, gas
Flow process is as shown by the arrows in Figure 7.
In the present embodiment, it is described recovery inflatable interface 8, the first cylinder interface 17, the second cylinder interface 15 not with outside
When connecing equipment connection, it is possible to achieve self sealss.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, recovery branch road control valve 20 and inflation branch road control valve 14 are magnetic valve.
The difference of the specific embodiment 2 and specific embodiment 1 of a kind of sulfur hexafluoride gas recovery aerating device of the present invention
It is：Can not also be by by the first joint and second between branch road and recovery branch road and inflation branch road as shown in figure 8, vacuumizing
The piecing devices connection that joint is formed, but connected by piecing devices C, now, vacuumize branch road and recovery branch road and inflation
The direct UNICOM of branch road, vacuumize branch road and be connected by reclaiming inflatable interface with equipment air chamber to 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 recovery aerating device of the present invention
It is：Reclaiming can be only with main compressor for carrying out liquefied gas liquefaction equipment to gas on branch road, and is not provided with cold
But liquefying plant.
Claims (10)
1. a kind of sulfur hexafluoride gas reclaims aerating device, it is characterised in that：Including piecing devices, piecing devices, which are connected with, to be taken out very
Empty branch road, recovery branch road and inflation branch road and can gate or connect vacuumize branch road with recovery branch road and inflation branch road, take out very
Vavuum pump is provided with empty branch road, the one end of recovery branch road away from piecing devices is connected with air accumulator, and the entrance of air accumulator is set
Gas storage valve is equipped with, the upstream end for inflating branch road is connected in air accumulator upstream with recovery branch road, downstream and the upstream of recovery branch road
End connection, reclaims and gas liquefaction equipment is provided with branch road, inflates and is provided with inflation branch road control valve on branch road.
2. sulfur hexafluoride gas according to claim 1 reclaims aerating device, it is characterised in that：Reclaim on branch road in gas
Recovery branch road control valve is provided with liquefying plant downstream, first is provided between gas liquefaction equipment and recovery branch road control valve
Cylinder interface.
3. sulfur hexafluoride gas according to claim 1 reclaims aerating device, it is characterised in that：Inflate branch road and be provided with the
Two cylinder interfaces.
4. sulfur hexafluoride gas according to claim 3 reclaims aerating device, it is characterised in that：Inflate on branch road in second
Cylinder interface upstream end is provided with filter.
5. sulfur hexafluoride gas according to claim 3 reclaims aerating device, it is characterised in that：Inflate on branch road in second
The downstream of cylinder interface sets having heaters.
6. sulfur hexafluoride gas according to claim 5 reclaims aerating device, it is characterised in that：Heater and piecing devices
Between be provided with the first pressure-reducing valve.
7. the sulfur hexafluoride gas recovery aerating device according to any claim in claim 1-6, it is characterised in that：
The gas liquefaction equipment includes the power-assisted compressor and main compressor being sequentially connected in series, described to reclaim on branch road in the main compression
Machine upstream is configured with the short circuit gas circuit of power-assisted compressor short circuit, short circuit gas circuit being provided with into switch valve.
8. sulfur hexafluoride gas according to claim 7 reclaims aerating device, it is characterised in that：Switched in short circuit gas circuit
The downstream of valve is provided with the second pressure-reducing valve.
9. sulfur hexafluoride gas according to claim 7 reclaims aerating device, it is characterised in that：Reclaim on branch road in power-assisted
The upstream end of compressor and switch valve is provided with first pressure controller, and first pressure controller is used to monitor the pressure on short circuit branch road
Power controls launching and putting into for power-assisted compressor with the keying of controlling switch valve.
10. sulfur hexafluoride gas according to claim 7 reclaims aerating device, it is characterised in that：The recovery branch road
Upstream end is provided with dust removal filter.
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 true CN107588325A (en) | 2018-01-16 |
| CN107588325B 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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| CN (1) | CN107588325B (en) |
| WO (1) | WO2019047349A1 (en) |
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| CN107588325B (en) | 2019-09-13 |
| WO2019047349A1 (en) | 2019-03-14 |
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