CN107588322A - Sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device and its operating method - Google Patents
Sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device and its operating method Download PDFInfo
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- CN107588322A CN107588322A CN201710846191.7A CN201710846191A CN107588322A CN 107588322 A CN107588322 A CN 107588322A CN 201710846191 A CN201710846191 A CN 201710846191A CN 107588322 A CN107588322 A CN 107588322A
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- 238000011084 recovery Methods 0.000 title claims abstract description 106
- 238000009826 distribution Methods 0.000 title claims abstract description 103
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 75
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 58
- 239000000203 mixture Substances 0.000 title claims abstract description 26
- 238000011017 operating method Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000002808 molecular sieve Substances 0.000 claims description 30
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 30
- 238000011049 filling Methods 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 239000000443 aerosol Substances 0.000 claims description 16
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 239000008246 gaseous mixture Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 203
- 241000486406 Trachea Species 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Landscapes
- Drying Of Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device, including mixed gas recovery system and distribution air compensating system；Mixed gas recovery system includes the first recovery tracheae, the second recovery tracheae, the 3rd recovery tracheae, recovery port, the first surge tank；Distribution air compensating system includes distribution supervisor and blowdown pipe, and the present invention is in order to overcome traditional SF6Complicated, time-consuming, the problem of financial cost is high of mixed gas method of disposal, propose that one kind can be applied to SF in high-tension switch gear6Mixed gas purification reclaims distribution making-up air device, is used for SF more particularly, to one kind6The SF when overhaul of Mixed gas insulation high-tension switch gear or Disintegration overhaul6Mixed gas purification reclaims distribution making-up air device.
Description
Technical field
The invention belongs to sulfur hexafluoride gas mixture Insulating A High-Voltage switchgear overhaul or Disintegration overhaul technical field, especially
It is related to a kind of sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device and its operating method.
Background technology
Gas-insulated switchgear device (Gas Insulated Switchgear, GIS) with floor space is small, reliability is high,
The advantages such as high safety, maintenance workload very little are widely used in power system.In the last few years, mixed gas（SF6/N2Or
SF6/CF4）GIS as insulating gas is gradually applied in power engineering.
Fill SF6The GIS buses of mixed gas, GIS is carried out large repairs or type approval test after, it is necessary to reclaim in GIS
The mixed gas in face.When carrying out gas recovery, it is necessary to carry out concentration and moisture measurement to mixed gas with measuring instrumentss, if
It was found that the concentration value of the deviation of concentration of mixed gas GIS requirements is, it is necessary to carry out the concentration value of skew during recovery
Amendment or adjustment and impurity screening and Wei Shui, then the mixed gas after purification is compressed to storage container（Steel cylinder）In, and with mark
Label sign storage container（Steel cylinder）The significant data parameter such as the concentration of middle gas and micro- water.Convenient next time using mixed gas when
Time can be directly according to storage container（Steel cylinder）On sign directly used.（SF6Mixed gas refers to SF6/N2Or
SF6/CF4Deng the mixed gas of two kinds of gas）.
And traditional SF6The method of disposal of mixed gas is：Mixed gas in GIS device is reclaimed, UF membrane,
Again to the SF after separation6Purified；By the SF after purification6With other gases（N2Or CF4）Matching somebody with somebody for mixed gas is carried out again
SF is arrived in system, then filling6In mixed gas GIS device.This process is not only complicated, time-consuming, and financial cost is high, only above-mentioned
A set of SF6Mixed gas recovery, separation, equipment for purifying market price are with regard to 80~1,000,000 yuan.
The content of the invention
For the present invention in order to solve weak point of the prior art, the present invention is a kind of can be by the mixed gas in GIS buses
Direct reclaiming clean and correcting refills the independent mixed gas function equipment that has concurrently in GIS device after adjustment gas concentration
SF6Mixed gas purification reclaims distribution making-up air device and operating method.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：Sulfur hexafluoride gas mixture Recovery Purifying is matched somebody with somebody
Gas making-up air device, including mixed gas recovery system and distribution air compensating system；
Mixed gas recovery system is delayed including the first recovery tracheae, the second recovery tracheae, the 3rd recovery tracheae, recovery port, first
Tank is rushed, the first recovery tracheae and the second recovery tracheae are arranged in parallel, and the air inlet of the first recovery tracheae and the second recovery tracheae is equal
It is connected with recovery port, first, which reclaims air inlet of the gas outlet of tracheae and the second recovery tracheae with the first surge tank, is connected, and returns
It is provided with first pressure sensor at the gas outlet of closing in, the first electromagnetism is disposed with along airflow direction on the first recovery tracheae
Valve, the first compressor and check valve, second solenoid valve are provided with the second recovery tracheae, the inlet end connection of the 3rd recovery tracheae
At second solenoid valve air inlet on the second recovery tracheae, the outlet side of the 3rd recovery tracheae is connected to the first magnetic valve and the
On the first recovery tracheae between one compressor, the second compressor is provided with the 3rd recovery tracheae；Set on first surge tank
There is second pressure sensor；
Distribution air compensating system includes distribution supervisor and blowdown pipe, and the air inlet of distribution supervisor and the gas outlet of the first surge tank connect
Connect, the gas outlet of distribution supervisor is the first delivery outlet, and distribution supervisor is disposed with pressure-reducing valve, the first electromagnetism two along airflow direction
Position three-way valve, the 3rd magnetic valve, first gas mass flowmenter, the second surge tank, electric butterfly valve, the 3rd surge tank, the 3rd pressure
Contracting machine, the 3rd pressure sensor, the second electromagnetism two position three-way valve and the first aerosol filter, it is provided with the second surge tank and is used for
Control the differential pressure pick-up of electric butterfly valve open degree, the first electromagnetism two position three-way valve and the second electromagnetism two position three-way valve are respectively provided with the
One interface, second interface and the 3rd interface, the first interface and second interface of the first electromagnetism two position three-way valve are serially connected in distribution master
Guan Shang, the second electromagnetism two position three-way valve is respectively provided with first interface and the 3rd interface is connected on distribution supervisor, the air inlet of blowdown pipe
Mouth is provided with gas supplementing opening, and the gas outlet of blowdown pipe is connected to the distribution master between first gas mass flowmenter and the second surge tank
Guan Shang, second gas mass flowmenter is provided with blowdown pipe.
Distribution supervisor and the of the first electromagnetism two position three-way valve between first gas mass flowmenter and the second surge tank
Also connected between two interfaces by distribution looped pipeline, the 4th magnetic valve and the 3rd gas are disposed with along airflow direction on distribution looped pipeline
Weight flowmeter, distribution supervisor are provided with the first input port between the 3rd magnetic valve and first gas mass flowmenter, matched somebody with somebody
Gas looped pipeline is provided with the second input port between the 4th magnetic valve and third gas mass flowmenter.
The second interface of second electromagnetism two position three-way valve is connected with dried chimney filter, and the gas outlet of dried chimney filter is second
Delivery outlet, the first molecular sieve, the second molecular sieve and the second aerosol filter are disposed with along airflow direction on dried chimney filter；
It is dense that between the first interface and the 3rd pressure sensor of the second electromagnetism two position three-way valve sulfur hexafluoride is connected with distribution supervisor
Degree and Humidity Detection pipe, hand-operated valve is provided with concentration of sulfur hexafluoride and Humidity Detection pipe.
Also include pumped vacuum systems, pumped vacuum systems includes vavuum pump, vacuumizes supervisor, first vacuumizes branch pipe, second
Branch pipe is vacuumized, the 3rd branch pipe and the 4th is vacuumized and vacuumizes branch pipe, the air inlet of vavuum pump and the gas outlet for vacuumizing supervisor
Connection, first vacuumizes branch pipe, second vacuumizes branch pipe, the 3rd vacuumizes branch pipe and the 4th gas outlet for vacuumizing branch pipe connects
It is connected on and vacuumizes on supervisor, the first air inlet for vacuumizing branch pipe is connected between gas supplementing opening and second gas mass flowmenter
On blowdown pipe, the second air inlet for vacuumizing branch pipe is connected on the first recovery tracheae between check valve and the first surge tank,
3rd air inlet for vacuumizing branch pipe is connected between the 3rd surge tank and the 3rd compressor on distribution supervisor, and the 4th vacuumizes branch
The air inlet of pipe is connected on the distribution supervisor between the first interface and the 3rd pressure sensor of the second electromagnetism two position three-way valve,
First vacuumize branch pipe, second vacuumize branch pipe, the 3rd vacuumize branch pipe and the 4th vacuumize branch pipe be respectively arranged with the 5th electricity
Magnet valve, the 6th magnetic valve, the 7th magnetic valve and the 8th magnetic valve；The upper airflow direction along pumping of supervisor is vacuumized to be disposed with
Pressure switch, the 9th magnetic valve, vacuum sensor and the tenth magnetic valve.
The operating method of sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device, described operating method have four kinds
Mode of operation,
The first mode of operation is to carry out sulfur hexafluoride gas mixture to GIS mixed gas bus after overhaul or type approval test
Recovery Purifying, in the process, when the deviation of concentration for detecting mixed gas during the concentration value of GIS requirements, amendment or adjustment
The concentration value that mixed gas concentration requires to GIS, and satisfactory mixed gas is filled with storage container or is pressed into GIS
In equipment, this mode of operation is divided into mixed gas recovery and mixed gas concentration amendment or two aspects of adjustment；
Mixed gas reclaims：Recovery port connects GIS delivery outlet by dedicated line, when first pressure sensor detects pressure
P1 >=0.4MPa, second solenoid valve are opened, the first closed electromagnetic valve, and the mixed gas in GIS directly passes through the second recovery tracheae
Into in the first surge tank；With the reduction of air pressure, when first pressure sensor detects pressure 0.1MPa<P1<During 0.4MPa,
Second solenoid valve is closed, and the first magnetic valve is opened, the first compressor start, the mixed gas in GIS is extracted out and gaseous mixture
Body is compressed in the first surge tank；When first pressure sensor detects pressure P1<During 0.1Mp, the first closed electromagnetic valve, first
Compressor and the second compressor start simultaneously, and mixed gas is compressed to the first surge tank, when first pressure sensor detects
Pressure P1<During 0.05MPa, the first compressor and the second compressor simultaneously close off；
The amendment or adjustment of mixed gas concentration：The mixed gas extracted out out of GIS device is temporarily stored in the first surge tank, due to
The gas inlet pressure of gas mass flow gauge needs to keep constant, therefore the mixed gas in the first surge tank passes through pressure-reducing valve
When pressure stability to 0.3MPa, the first interface of the first electromagnetism two position three-way valve are connected with second interface, the 3rd magnetic valve and
4th magnetic valve is opened, and the 3rd compressor start, the first interface of the first electromagnetism two position three-way valve connects with second interface, and second
Delivery outlet connects external steel cylinder, and first gas mass flowmenter and third gas mass flowmenter set control mixing as needed
The flow of gas, gas supplementing opening, which connects, needs the gas of tonifying Qi, and gas is generally high-purity sulfur hexafluoride gas, by calculating control the
The flow of air supply of two gas mass flow gauge, first gas mass flowmenter, first gas mass flowmenter and third gas matter
The outlet air pressure for measuring flowmeter keeps constant, first gas mass flowmenter, first gas mass flowmenter and third gas matter
Amount flowmeter completes the adjustment or distribution of mixed gas concentration jointly；
Mixed gas after amendment or adjustment concentration enters the second surge tank, and differential pressure pick-up is by monitoring gas in the second surge tank
Press to control the open degree of electric butterfly valve, and then regulate and control the pressure in the second surge tank, the pressure allowed in the second surge tank is kept
One steady state value, steady state value pressure difference compared with external pressure are maintained within ± 3kPa；
Mixed gas in second surge tank is entered in the 3rd surge tank, and the 3rd surge tank is used for meeting taking out for the 3rd compressor
Power, under the pressure of the 3rd compressor, mixed gas by the first interface and second interface of the second electromagnetism two position three-way valve,
First molecular sieve, the second molecular sieve and the second aerosol filter are output in external steel cylinder from the second delivery outlet；First molecular sieve
With micro- water in the second molecular sieve drying mixed gas；Second delivery outlet is connected into GIS interfaces with gas piping, then can be completed
Tonifying Qi or filling to GIS mixed gas；
Concentration of sulfur hexafluoride and Humidity Detection pipe connection concentration of sulfur hexafluoride and Humidity Detection instrument, open hand-operated valve, if hexafluoro
When other concentration of sulfur hexafluoride and humidity that change sulphur concentration and Humidity Detection instrument detect meet the requirements, the second electromagnetism two three
The first interface of port valve and the 3rd orifice, mixed gas are output to external by the first floating dust drier and the first delivery outlet
In steel cylinder；First delivery outlet is connected into GIS interfaces with gas piping, can similarly complete tonifying Qi to GIS mixed gas or
Filling；
Second of mode of operation is the independent distribution and filling for completing sulfur hexafluoride gas mixture, big primarily directed to GIS device
After maintenance and filling sulfur hexafluoride gas mixture of the GIS device manufacturer to GIS device Large Copacity, the mode of operation press following operation
Process is carried out：
The 3rd magnetic valve and the 4th magnetic valve are closed, and the first input port, the second input port are connected corresponding SF respectively6Gas
Steel cylinder and N2/CF4Steel cylinder, second gas mass flowmenter are closed, the first interface and the 3rd interface of the second electromagnetism two position three-way valve
The GIS inflation inlets of distribution filling are treated in connection, the connection of the first delivery outlet；Throughput and concentration are matched somebody with somebody according to setting, automatic calculating pair
The first gas mass flowmenter and the flow of third gas mass flowmenter answered, the mixed gas of generation enter the second buffering
Tank, differential pressure pick-up controls the open degree of electric butterfly valve by air pressure in the second surge tank of monitoring, and then regulates and controls the second buffering
Pressure in tank, the pressure allowed in the second surge tank keep a steady state value, and steady state value pressure difference compared with external pressure is tieed up
Hold within ± 3kPa, the mixed gas in the second surge tank is entered in the 3rd surge tank, and the 3rd surge tank is used for buffering the
The charge flow rate of three compressor inlets, slow down the pressure oscillation to caused by precursor gas in compression process of the 3rd compressor,
Under the pressure of the 3rd compressor, mixed gas is exported by the second electromagnetism two position three-way valve and the first aerosol filter from first
Mouth will treat that distribution is filled into GIS；
Described distribution filling flow connects the first interface of the second electromagnetism two position three-way valve with second interface in operation,
The connection of second delivery outlet is treated to the GIS inflation inlets of distribution filling, mixed gas passes through the second electromagnetism two position three-way valve, the first molecule
Sieve, the second molecular sieve and the second aerosol filter will treat that distribution is filled into GIS from the second delivery outlet；First point can so be passed through
Micro- water in mixed gas is further dried in son sieve and the second molecular sieve.
Adjusting mixed gas concentration flow is specially：By concentration of sulfur hexafluoride and Humidity Detection pipe connection concentration of sulfur hexafluoride
And Humidity Detection instrument, hand-operated valve is opened, if other are dense for the sulfur hexafluoride that detects of concentration of sulfur hexafluoride and Humidity Detection instrument
When degree and humidity meet the requirements, by the first interface and the 3rd orifice of the second electromagnetism two position three-way valve, pass through the first floating dust
Drier and the first delivery outlet are output in external steel cylinder.
Two kinds of mode of operations all need to carry out vacuum pumping to pipeline before being initiated, vacuumize flow and are operated by following
Cheng Jinhang：Before vacuum extraction, ensure that the pressure inside each pipeline in device is normal pressure, if pressure is excessive inside pipeline,
Valve is first opened to be vented and allow pressure to drop to normal pressure and then vacuum pumping could be carried out；Open the 5th magnetic valve, the 6th electricity
Magnet valve, the 7th magnetic valve, the 8th magnetic valve, the 9th magnetic valve and the tenth magnetic valve, vavuum pump is opened, open other in pipeline
Magnetic valve, to the first recovery tracheae, the second recovery tracheae, the 3rd recovery tracheae, distribution supervisor, distribution looped pipeline, blowdown pipe and do
Dry screen pipe is vacuumized, and when vacuum sensor reading can meet requirement of the pipeline to vacuumizing in below 100Pa, is taken out
After the completion of vacuum, vavuum pump, the 5th magnetic valve, the 6th magnetic valve, the 7th magnetic valve, the 8th magnetic valve, the 9th magnetic valve are closed
With the tenth magnetic valve.
Using above-mentioned technical proposal, of the invention three compressors can not be vacuumized.Recovery port in the present invention is used
To connect GIS delivery outlet, SF is carried out6The recovery of mixed gas.Gas supplementing opening, it is used as the gas input being modified to concentration
Mouthful, when needs are SF6Concentration when tuning up, gas supplementing opening access SF6Gas, air compensation can enter according to second gas mass flowmenter
Row adjustment.
When SF need not be carried out6When mixed gas reclaims, the present invention can carry out SF6The distribution and filling of mixed gas（It is right
GIS carries out tonifying Qi）Function, the first input port and the second input port are used for meeting SF6And diluent gas, the first delivery outlet is connected
GIS interfaces, the distribution filling to GIS mixed gas can be completed（Tonifying Qi）Function；Second delivery outlet is that mixed gas is carried out
Exported again after desiccant dehumidification.
In summary, the present invention can will fill SF6The direct reclaiming clean of mixed gas in the GIS buses of mixed gas,
After adjusting gas concentration, refill in GIS device, more traditional method is more time saving, more economical.
The present invention is vdiverse in function, easily operated, when that need not carry out the recovery of mixed gas, can also be used alone as distribution
Device, prepare the gas of various concentration.Have SF concurrently6Mixed gas purification reclaims distribution tonifying Qi and SF6Mixed gas prepares two kinds
Function.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Reference in figure is respectively：1. the first recovery tracheae, 2. second recovery tracheaes, 3. the 3rd recovery tracheaes, 4. recovery
Mouthful, 5. first surge tanks, 6. first magnetic valves, 7. first compressors, 8. check valves, 9. second solenoid valves, 10. second compressions
Machine, 11. second pressure sensors, 12. distributions supervisor, 13. blowdown pipes, 14. first delivery outlets, 15. pressure-reducing valves, 16. first electricity
Magnetic two position three-way valve, 17. the 3rd magnetic valves, 18. first gas mass flowmenters, 19. second surge tanks, 20. electric butterfly valves,
21. the 3rd surge tank, 22. the 3rd compressors, 23. the 3rd pressure sensors, 24. second electromagnetism two position three-way valves, 25. first is floating
Dirt filter, 26. differential pressure pick-ups, 27. gas supplementing openings, 28. second gas mass flowmenters, 29. distribution looped pipelines, 30. the 4th electricity
Magnet valve, 31. third gas mass flowmenters, 32. first input ports, 33. the second input ports of third gas, 34. dried chimney filters,
35. the second delivery outlet, 36. first molecular sieves, 37. second molecular sieves, 38. second aerosol filters, 39. concentration of sulfur hexafluoride and
Humidity Detection pipe, 40. hand-operated valves, 41. vavuum pumps, 42. vacuumize supervisor, and 43. first vacuumize branch pipe, and 44. second vacuumize
Branch pipe, 45. the 3rd vacuumize branch pipe, and 46. the 4th vacuumize branch pipe, 47. the 5th magnetic valves, 48. the 6th magnetic valves, and 49. the 7th
Magnetic valve, 50. the 8th magnetic valves, 51. pressure switches, 52. the 9th magnetic valves, 53. vacuum sensors, 54. the tenth magnetic valves,
55. first pressure sensor.
Embodiment
As shown in figure 1, the sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device of the present invention, including mixed gas are returned
Receipts system and distribution air compensating system；
Mixed gas recovery system includes the first recovery tracheae 1, second and reclaims tracheae 2, the 3rd recovery tracheae 3, recovery port 4, the
One surge tank 5, the first recovery tracheae 1 and second reclaim tracheae 2 and are arranged in parallel, and the first recovery tracheae 1 and second reclaims tracheae 2
Air inlet is connected with recovery port 4, and the gas outlet that the first recovery tracheae 1 and second reclaims tracheae 2 is entered with first surge tank 5
Gas port connects, and is provided with first pressure sensor 55 at the gas outlet of recovery port 4, on the first recovery tracheae 1 along airflow direction according to
It is secondary to be provided with the first magnetic valve 6, the first compressor 7 and check valve 8, second solenoid valve 9 is provided with the second recovery tracheae 2, the
The inlet end of three recovery tracheaes 3 is connected at the air inlet of second solenoid valve 9 on the second recovery tracheae 2, the 3rd recovery tracheae 3
Outlet side is connected on the first recovery tracheae 1 between the first magnetic valve 6 and the first compressor 7, is set on the 3rd recovery tracheae 3
There is the second compressor 10；Second pressure sensor 11 is provided with first surge tank 5；
Distribution air compensating system includes distribution supervisor 12 and blowdown pipe 13, the air inlet of distribution supervisor 12 and going out for the first surge tank 5
Gas port connects, and the gas outlet of distribution supervisor 12 is the first delivery outlet 14, and distribution supervisor 12 is disposed with decompression along airflow direction
It is valve 15, the first electromagnetism two position three-way valve 16, the 3rd magnetic valve 17, first gas mass flowmenter 18, the second surge tank 19, electronic
Butterfly valve 20, the 3rd surge tank 21, the 3rd compressor 22, the 3rd pressure sensor 23, the second electromagnetism two position three-way valve 24 and first
Aerosol filter 25, is provided with the differential pressure pick-up 26 for controlling the open degree of electric butterfly valve 20 on the second surge tank 19, and first
The electromagnetism two position three-way valve 24 of electromagnetism two position three-way valve 16 and second is respectively provided with first interface, second interface and the 3rd interface, and first
The first interface and second interface of electromagnetism two position three-way valve 16 are serially connected on distribution supervisor 12, and the second electromagnetism two position three-way valve 24 is equal
It is connected to first interface and the 3rd interface on distribution supervisor 12, the air inlet of blowdown pipe 13 is provided with gas supplementing opening 27, tonifying Qi
The gas outlet of pipe 13 is connected on the distribution supervisor 12 between the surge tank 19 of first gas mass flowmenter 18 and second, blowdown pipe
Second gas mass flowmenter 28 is provided with 13.
Distribution supervisor 12 and the first electromagnetism two-position three way between the surge tank 19 of first gas mass flowmenter 18 and second
Also connected between the second interface of valve 16 by distribution looped pipeline 29, the 4th electricity is disposed with along airflow direction on distribution looped pipeline 29
Magnet valve 30 and third gas mass flowmenter 31, distribution supervisor 12 the 3rd magnetic valve 17 and first gas mass flowmenter 18 it
Between be provided with the first input port 32, distribution looped pipeline 29 is provided between the 4th magnetic valve 30 and third gas mass flowmenter 31
Second input port 33.
The second interface of second electromagnetism two position three-way valve 24 is connected with dried chimney filter 34, the gas outlet of dried chimney filter 34
For the second delivery outlet 35, the first molecular sieve 36, the and of the second molecular sieve 37 are disposed with along airflow direction on dried chimney filter 34
Second aerosol filter 38；In the first interface and the 3rd pressure sensor of the second electromagnetism two position three-way valve 24 on distribution supervisor 12
Concentration of sulfur hexafluoride and Humidity Detection pipe 39 are connected between 23, is provided with concentration of sulfur hexafluoride and Humidity Detection pipe 39 manually
Valve 40.
Present invention additionally comprises pumped vacuum systems, pumped vacuum systems includes vavuum pump 41, vacuumizes supervisor 42, first vacuumizes
Branch pipe 43, second, which vacuumize branch pipe the 44, the 3rd and vacuumize branch pipe 45 and the 4th, vacuumizes branch pipe 46, the air inlet of vavuum pump 41 with
Vacuumize the gas outlet connection of supervisor 42, first vacuumizes branch pipe 43, second vacuumizes branch pipe the 44, the 3rd and vacuumize the and of branch pipe 45
4th gas outlet for vacuumizing branch pipe 46, which is both connected to, to be vacuumized on supervisor 42, and the first air inlet for vacuumizing branch pipe 43 is connected to
On blowdown pipe 13 between gas supplementing opening 27 and second gas mass flowmenter 28, the second air inlet for vacuumizing branch pipe 44 is connected to
On the first recovery tracheae 1 between the surge tank 5 of check valve 8 and first, the 3rd air inlet for vacuumizing branch pipe 45 is connected to the 3rd
Between the compressor 22 of surge tank 21 and the 3rd on distribution supervisor 12, the 4th air inlet for vacuumizing branch pipe 46 is connected to the second electromagnetism
Between the first interface of two position three-way valve 24 and the 3rd pressure sensor 23 distribution supervisor 12 on, first vacuumize branch pipe 43,
Second vacuumizes branch pipe 44, the 3rd vacuumizes branch pipe 45 and the 4th and vacuumize branch pipe 46 and be respectively arranged with the 5th magnetic valve 47,
Six magnetic valves 48, the 7th magnetic valve 49 and the 8th magnetic valve 50；Vacuumize and set gradually on supervisor 42 along the airflow direction of pumping
There are pressure switch 51, the 9th magnetic valve 52, the magnetic valve 54 of vacuum sensor 53 and the tenth.
Sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device has two kinds of mode of operations.
The first mode of operation is to carry out sulfur hexafluoride gaseous mixture to GIS mixed gas bus after overhaul or type approval test
The Recovery Purifying of body（Dry, filter out impurity）, in the process, the GIS requirements when the deviation of concentration for detecting mixed gas
During concentration value, amendment or the concentration value that is required to GIS of adjustment mixed gas concentration, and satisfactory mixed gas passed through defeated
Outlet 1 or delivery outlet 2 are filled with storage container（Steel cylinder）Or in GIS device.So this mode of operation is substantially divided into gaseous mixture
Body reclaims and two contents of mixed gas concentration amendment or adjustment.
Mixed gas reclaims：Recovery port 4 connects GIS delivery outlet by dedicated line, when first pressure sensor detects
To pressure P1 >=0.4MPa, second solenoid valve 9 is opened, and the first magnetic valve 6 is closed, and the mixed gas in GIS directly passes through second
Tracheae 2 is reclaimed to enter in the first surge tank 5；With the reduction of air pressure, when first pressure sensor detects pressure 0.1MPa<P1
<During 0.4MPa, second solenoid valve 9 is closed, and the first magnetic valve 6 is opened, and the first compressor 7 starts, and the mixed gas in GIS is taken out
Go out and mixed gas is compressed in the first surge tank 5；When first pressure sensor detects pressure P1<During 0.1Mp, the first electricity
Magnet valve 6 is closed, and the first compressor 7 and the second compressor 10 start simultaneously, and mixed gas is compressed to the first surge tank 5, when
One pressure sensor detects pressure P1<During 0.05MPa, the first compressor 7 and the second compressor 10 simultaneously close off；
The amendment or adjustment of mixed gas concentration：The mixed gas extracted out out of GIS device is temporarily stored in the first surge tank 5, by
Need to keep constant in the gas inlet pressure of gas mass flow gauge, therefore the mixed gas in the first surge tank 5 is by subtracting
Pressure stability to 0.3MPa, the first interface of the first electromagnetism two position three-way valve 16 are connected with second interface during pressure valve 15, the 3rd
The magnetic valve 30 of magnetic valve 17 and the 4th is opened, and the 3rd compressor 22 starts, the first interface of the first electromagnetism two position three-way valve 16 and
Second interface connects, and the second delivery outlet 35 connects external steel cylinder, first gas mass flowmenter 18 and third gas mass flow
Meter 31 sets the flow of control mixed gas as needed, and gas supplementing opening 27 connects the gas for needing tonifying Qi, and gas is generally high-purity
Sulfur hexafluoride gas, by calculating the flow of air supply of control second gas mass flowmenter 28, first gas mass flowmenter 18,
The outlet air pressure of first gas mass flowmenter 18 and third gas mass flowmenter 31 keeps constant, first gas mass flow
Meter 18, first gas mass flowmenter 18 and third gas mass flowmenter 31 are completed the adjustment of mixed gas concentration or matched somebody with somebody jointly
Gas；
Mixed gas after amendment or adjustment concentration enters the second surge tank 19, and differential pressure pick-up 26 is by monitoring the second surge tank
Air pressure controls the open degree of electric butterfly valve 20 in 19, and then regulates and controls the pressure in the second surge tank 19, allows the second surge tank 19
In pressure keep a steady state value, steady state value pressure difference compared with external pressure maintained within ± 3kPa；
Mixed gas in second surge tank 19 is entered in the 3rd surge tank 21, and the 3rd surge tank 21 is used for meeting the 3rd compression
The draft of machine 22, under the pressure of the 3rd compressor 22, first interface that mixed gas passes through the second electromagnetism two position three-way valve 24
It is output to outside from the second delivery outlet 35 with second interface, the first molecular sieve 36, the second molecular sieve 37 and the second aerosol filter 38
Connect in steel cylinder；Micro- water in first molecular sieve 36 and the dry mixed gas of the second molecular sieve 37；Second delivery outlet 35 is used into gas
Pipeline connects GIS interfaces, then can complete the tonifying Qi to GIS mixed gas（Filling）.
Concentration of sulfur hexafluoride and Humidity Detection pipe 39 are connected into concentration of sulfur hexafluoride and Humidity Detection instrument, open hand-operated valve
40, if other concentration of sulfur hexafluoride and humidity that concentration of sulfur hexafluoride and Humidity Detection instrument detect meet the requirements, second
The first interface of electromagnetism two position three-way valve 24 and the 3rd orifice, mixed gas are defeated by the first floating dust drier 25 and first
Outlet 14 is output in external steel cylinder；First delivery outlet 14 is connected into GIS interfaces with gas piping, can similarly be completed pair
The tonifying Qi of GIS mixed gas（Filling）.
Second of mode of operation is the independent distribution filling for completing sulfur hexafluoride gas mixture, primarily directed to GIS device
After general overhaul and filling sulfur hexafluoride gas mixture of the GIS device manufacturer to GIS device Large Copacity：
The 3rd magnetic valve 17 and the 4th magnetic valve 30 are closed, and the first input port 32, the second input port 33 are connected respectively and corresponded to
SF6Gas steel cylinder and N2/CF4Steel cylinder, second gas mass flowmenter 28 are closed, and the first of the second electromagnetism two position three-way valve 24
The GIS inflation inlets of distribution filling are treated in interface and the 3rd orifice, the connection of the first delivery outlet 14；According to setting with throughput and
Concentration, the flow of first gas mass flowmenter 18 and third gas mass flowmenter 31 corresponding to automatic calculating, generation mix
Close gas and enter the second surge tank 19, differential pressure pick-up 26 controls electric butterfly valve 20 by air pressure in the second surge tank 19 of monitoring
Open degree, and then regulate and control the pressure in the second surge tank 19, the pressure allowed in the second surge tank 19 keeps a steady state value, should
Steady state value pressure difference compared with external pressure is maintained within ± 3kPa, and the mixed gas in the second surge tank 19 enters the 3rd
In surge tank 21, the 3rd surge tank 21 is used for buffering the charge flow rate of the air inlet of the 3rd compressor 22, slows down the 3rd compressor 22
The pressure oscillation to caused by precursor gas in compression process, under the pressure of the 3rd compressor 22, mixed gas passes through second
The aerosol filter 25 of electromagnetism two position three-way valve 24 and first will treat that distribution is filled into GIS from the first delivery outlet 14；
Above two mode of operation all needs to carry out vacuum pumping to pipeline before being initiated, vacuumizes flow and was operated by following
Cheng Jinhang：Before vacuum extraction, ensure that the pressure inside each pipeline in device is normal pressure, if pressure is excessive inside pipeline,
Valve is first opened to be vented and allow pressure to drop to normal pressure and then vacuum pumping could be carried out；Open the 5th magnetic valve the 47, the 6th
Magnetic valve 48, the 7th magnetic valve 49, the 8th magnetic valve 50, the 9th magnetic valve 52 and the tenth magnetic valve 54, vavuum pump 41 is opened, is beaten
Other magnetic valves in open pipe road, to first recovery tracheae 1, second reclaim tracheae the 2, the 3rd reclaim tracheae 3, distribution supervisor 12,
Distribution looped pipeline 29, blowdown pipe 13 and dried chimney filter 34 are vacuumized, when the reading of vacuum sensor 53 in below 100Pa just
Requirement of the pipeline to vacuumizing can be met, after the completion of vacuumizing, close vavuum pump 41, the 5th magnetic valve 47, the 6th magnetic valve 48,
7th magnetic valve 49, the 8th magnetic valve 50, the 9th magnetic valve 52 and the tenth magnetic valve 54.
Described distribution filling flow is in operation, by the first interface and second interface of the second electromagnetism two position three-way valve 24
Connection, the connection of the second delivery outlet 35 is treated the GIS inflation inlets of distribution filling, and mixed gas passes through the second electromagnetism two position three-way valve
24th, the first molecular sieve 36, the second molecular sieve 37 and the second aerosol filter 38 will treat distribution filling to GIS from the second delivery outlet 35
It is interior；Micro- water in mixed gas can so be further dried by the first molecular sieve 36 and the second molecular sieve 37.
Adjusting mixed gas concentration flow is specially：It is dense that concentration of sulfur hexafluoride and Humidity Detection pipe 39 are connected into sulfur hexafluoride
Degree and Humidity Detection instrument, open hand-operated valve 40, if the sulfur hexafluoride that detects of concentration of sulfur hexafluoride and Humidity Detection instrument its
When his concentration and humidity meet the requirements, by the first interface and the 3rd orifice of the second electromagnetism two position three-way valve 24, pass through
One floating dust drier and the first delivery outlet 14 are output in external steel cylinder.
Claims (8)
1. sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device, it is characterised in that：Including mixed gas recovery system and
Distribution air compensating system；
Mixed gas recovery system is delayed including the first recovery tracheae, the second recovery tracheae, the 3rd recovery tracheae, recovery port, first
Tank is rushed, the first recovery tracheae and the second recovery tracheae are arranged in parallel, and the air inlet of the first recovery tracheae and the second recovery tracheae is equal
It is connected with recovery port, first, which reclaims air inlet of the gas outlet of tracheae and the second recovery tracheae with the first surge tank, is connected, and returns
It is provided with first pressure sensor at the gas outlet of closing in, the first electromagnetism is disposed with along airflow direction on the first recovery tracheae
Valve, the first compressor and check valve, second solenoid valve are provided with the second recovery tracheae, the inlet end connection of the 3rd recovery tracheae
At second solenoid valve air inlet on the second recovery tracheae, the outlet side of the 3rd recovery tracheae is connected to the first magnetic valve and the
On the first recovery tracheae between one compressor, the second compressor is provided with the 3rd recovery tracheae；Set on first surge tank
There is second pressure sensor；
Distribution air compensating system includes distribution supervisor and blowdown pipe, and the air inlet of distribution supervisor and the gas outlet of the first surge tank connect
Connect, the gas outlet of distribution supervisor is the first delivery outlet, and distribution supervisor is disposed with pressure-reducing valve, the first electromagnetism two along airflow direction
Position three-way valve, the 3rd magnetic valve, first gas mass flowmenter, the second surge tank, electric butterfly valve, the 3rd surge tank, the 3rd pressure
Contracting machine, the 3rd pressure sensor, the second electromagnetism two position three-way valve and the first aerosol filter, it is provided with the second surge tank and is used for
Control the differential pressure pick-up of electric butterfly valve open degree, the first electromagnetism two position three-way valve and the second electromagnetism two position three-way valve are respectively provided with the
One interface, second interface and the 3rd interface, the first interface and second interface of the first electromagnetism two position three-way valve are serially connected in distribution master
Guan Shang, the second electromagnetism two position three-way valve is respectively provided with first interface and the 3rd interface is connected on distribution supervisor, the air inlet of blowdown pipe
Mouth is provided with gas supplementing opening, and the gas outlet of blowdown pipe is connected to the distribution master between first gas mass flowmenter and the second surge tank
Guan Shang, second gas mass flowmenter is provided with blowdown pipe.
2. sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device according to claim 1, it is characterised in that：First
Between distribution supervisor and the second interface of the first electromagnetism two position three-way valve between gas mass flow gauge and the second surge tank also
Connected by distribution looped pipeline, the 4th magnetic valve and third gas mass flow are disposed with along airflow direction on distribution looped pipeline
Meter, distribution supervisor are provided with the first input port between the 3rd magnetic valve and first gas mass flowmenter, and distribution looped pipeline is the
The second input port is provided between four magnetic valves and third gas mass flowmenter.
3. sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device according to claim 2, it is characterised in that：Second
The second interface of electromagnetism two position three-way valve is connected with dried chimney filter, and the gas outlet of dried chimney filter is the second delivery outlet, dries
On screen pipe the first molecular sieve, the second molecular sieve and the second aerosol filter are disposed with along airflow direction；On distribution supervisor
Concentration of sulfur hexafluoride and humidity inspection are connected between the first interface and the 3rd pressure sensor of the second electromagnetism two position three-way valve
Hand-operated valve is provided with test tube, concentration of sulfur hexafluoride and Humidity Detection pipe.
4. the sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device according to right wants 3, it is characterised in that：Also include
Pumped vacuum systems, pumped vacuum systems include vavuum pump, vacuumize supervisor, first vacuumize branch pipe, second vacuumize branch pipe, the 3rd
Vacuumize branch pipe and the 4th and vacuumize branch pipe, the air inlet of vavuum pump is connected with vacuumizing the gas outlet of supervisor, and first vacuumizes
Branch pipe, second vacuumize branch pipe, the 3rd vacuumize branch pipe and the 4th gas outlet for vacuumizing branch pipe is both connected to and vacuumizes supervisor
On, the first air inlet for vacuumizing branch pipe is connected on the blowdown pipe between gas supplementing opening and second gas mass flowmenter, and second
The air inlet for vacuumizing branch pipe is connected on the first recovery tracheae between check valve and the first surge tank, and the 3rd vacuumizes branch pipe
Air inlet be connected between the 3rd surge tank and the 3rd compressor on distribution supervisor, the 4th vacuumizes the air inlet connection of branch pipe
On distribution supervisor between the first interface and the 3rd pressure sensor of the second electromagnetism two position three-way valve, first vacuumizes branch
Pipe, second vacuumize branch pipe, the 3rd vacuumize branch pipe and the 4th and vacuumize branch pipe and be respectively arranged with the 5th magnetic valve, the 6th electromagnetism
Valve, the 7th magnetic valve and the 8th magnetic valve；Vacuumize the upper airflow direction along pumping of supervisor and be disposed with pressure switch, the 9th
Magnetic valve, vacuum sensor and the tenth magnetic valve.
5. the operating method of sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device as claimed in claim 4 is used, its
It is characterised by：Described operating method has four kinds of mode of operations,
The first mode of operation is to carry out sulfur hexafluoride gas mixture to GIS mixed gas bus after overhaul or type approval test
Recovery Purifying, in the process, when the deviation of concentration for detecting mixed gas during the concentration value of GIS requirements, amendment or adjustment
The concentration value that mixed gas concentration requires to GIS, and satisfactory mixed gas is filled with storage container or is pressed into GIS
In equipment, this mode of operation is divided into mixed gas recovery and mixed gas concentration amendment or two aspects of adjustment；
Mixed gas reclaims：Recovery port connects GIS delivery outlet by dedicated line, when first pressure sensor detects pressure
P1 >=0.4MPa, second solenoid valve are opened, the first closed electromagnetic valve, and the mixed gas in GIS directly passes through the second recovery tracheae
Into in the first surge tank；With the reduction of air pressure, when first pressure sensor detects pressure 0.1MPa<P1<During 0.4MPa,
Second solenoid valve is closed, and the first magnetic valve is opened, the first compressor start, the mixed gas in GIS is extracted out and gaseous mixture
Body is compressed in the first surge tank；When first pressure sensor detects pressure P1<During 0.1Mp, the first closed electromagnetic valve, first
Compressor and the second compressor start simultaneously, and mixed gas is compressed to the first surge tank, when first pressure sensor detects
Pressure P1<During 0.05MPa, the first compressor and the second compressor simultaneously close off；
The amendment or adjustment of mixed gas concentration：The mixed gas extracted out out of GIS device is temporarily stored in the first surge tank, due to
The gas inlet pressure of gas mass flow gauge needs to keep constant, therefore the mixed gas in the first surge tank passes through pressure-reducing valve
When pressure stability to 0.3MPa, the first interface of the first electromagnetism two position three-way valve are connected with second interface, the 3rd magnetic valve and
4th magnetic valve is opened, and the 3rd compressor start, the first interface of the first electromagnetism two position three-way valve connects with second interface, and second
Delivery outlet connects external steel cylinder, and first gas mass flowmenter and third gas mass flowmenter set control mixing as needed
The flow of gas, gas supplementing opening, which connects, needs the gas of tonifying Qi, and gas is generally high-purity sulfur hexafluoride gas, by calculating control the
The flow of air supply of two gas mass flow gauge, first gas mass flowmenter, first gas mass flowmenter and third gas matter
The outlet air pressure for measuring flowmeter keeps constant, first gas mass flowmenter, first gas mass flowmenter and third gas matter
Amount flowmeter completes the adjustment or distribution of mixed gas concentration jointly；
Mixed gas after amendment or adjustment concentration enters the second surge tank, and differential pressure pick-up is by monitoring gas in the second surge tank
Press to control the open degree of electric butterfly valve, and then regulate and control the pressure in the second surge tank, the pressure allowed in the second surge tank is kept
One steady state value, steady state value pressure difference compared with external pressure are maintained within ± 3kPa；
Mixed gas in second surge tank is entered in the 3rd surge tank, and the 3rd surge tank is used for meeting taking out for the 3rd compressor
Power, under the pressure of the 3rd compressor, mixed gas by the first interface and second interface of the second electromagnetism two position three-way valve,
First molecular sieve, the second molecular sieve and the second aerosol filter are output in external steel cylinder from the second delivery outlet；First molecular sieve
With micro- water in the second molecular sieve drying mixed gas；Second delivery outlet is connected into GIS interfaces with gas piping, then can be completed
Tonifying Qi or filling to GIS mixed gas；
Concentration of sulfur hexafluoride and Humidity Detection pipe connection concentration of sulfur hexafluoride and Humidity Detection instrument, open hand-operated valve, if hexafluoro
When other concentration of sulfur hexafluoride and humidity that change sulphur concentration and Humidity Detection instrument detect meet the requirements, the second electromagnetism two three
The first interface of port valve and the 3rd orifice, mixed gas are output to external by the first floating dust drier and the first delivery outlet
In steel cylinder；First delivery outlet is connected into GIS interfaces with gas piping, can similarly complete tonifying Qi to GIS mixed gas or
Filling；
Second of mode of operation is the independent distribution and filling for completing sulfur hexafluoride gas mixture, big primarily directed to GIS device
After maintenance and filling sulfur hexafluoride gas mixture of the GIS device manufacturer to GIS device Large Copacity, the mode of operation press following operation
Process is carried out：
The 3rd magnetic valve and the 4th magnetic valve are closed, and the first input port, the second input port are connected corresponding SF respectively6Gas
Steel cylinder and N2/CF4Steel cylinder, second gas mass flowmenter are closed, the first interface and the 3rd interface of the second electromagnetism two position three-way valve
The GIS inflation inlets of distribution filling are treated in connection, the connection of the first delivery outlet；Throughput and concentration are matched somebody with somebody according to setting, automatic calculating pair
The first gas mass flowmenter and the flow of third gas mass flowmenter answered, the mixed gas of generation enter the second buffering
Tank, differential pressure pick-up controls the open degree of electric butterfly valve by air pressure in the second surge tank of monitoring, and then regulates and controls the second buffering
Pressure in tank, the pressure allowed in the second surge tank keep a steady state value, and steady state value pressure difference compared with external pressure is tieed up
Hold within ± 3kPa, the mixed gas in the second surge tank is entered in the 3rd surge tank, and the 3rd surge tank is used for buffering the
The charge flow rate of three compressor inlets, slow down the pressure oscillation to caused by precursor gas in compression process of the 3rd compressor,
Under the pressure of the 3rd compressor, mixed gas is exported by the second electromagnetism two position three-way valve and the first aerosol filter from first
Mouth will treat that distribution is filled into GIS.
6. the operating method of sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device according to claim 5, it is special
Sign is：Described distribution filling flow connects the first interface of the second electromagnetism two position three-way valve and second interface in operation
It is logical, the connection of the second delivery outlet is treated to the GIS inflation inlets of distribution filling, mixed gas passes through the second electromagnetism two position three-way valve, first
Molecular sieve, the second molecular sieve and the second aerosol filter will treat that distribution is filled into GIS from the second delivery outlet；Can so be passed through
Micro- water in mixed gas is further dried in one molecular sieve and the second molecular sieve.
7. the operating method of sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device according to claim 5, it is special
Sign is：Adjusting mixed gas concentration flow is specially：By concentration of sulfur hexafluoride and Humidity Detection pipe connection concentration of sulfur hexafluoride
And Humidity Detection instrument, hand-operated valve is opened, if other are dense for the sulfur hexafluoride that detects of concentration of sulfur hexafluoride and Humidity Detection instrument
When degree and humidity meet the requirements, by the first interface and the 3rd orifice of the second electromagnetism two position three-way valve, pass through the first floating dust
Drier and the first delivery outlet are output in external steel cylinder.
8. the operating method of sulfur hexafluoride gas mixture Recovery Purifying distribution making-up air device according to claim 5, it is special
Sign is：Two kinds of mode of operations all need to carry out vacuum pumping to pipeline before being initiated, vacuumize flow and are operated by following
Cheng Jinhang：Before vacuum extraction, ensure that the pressure inside each pipeline in device is normal pressure, if pressure is excessive inside pipeline,
Valve is first opened to be vented and allow pressure to drop to normal pressure and then vacuum pumping could be carried out；Open the 5th magnetic valve, the 6th electricity
Magnet valve, the 7th magnetic valve, the 8th magnetic valve, the 9th magnetic valve and the tenth magnetic valve, vavuum pump is opened, open other in pipeline
Magnetic valve, to the first recovery tracheae, the second recovery tracheae, the 3rd recovery tracheae, distribution supervisor, distribution looped pipeline, blowdown pipe and do
Dry screen pipe is vacuumized, and when vacuum sensor reading can meet requirement of the pipeline to vacuumizing in below 100Pa, is taken out
After the completion of vacuum, vavuum pump, the 5th magnetic valve, the 6th magnetic valve, the 7th magnetic valve, the 8th magnetic valve, the 9th magnetic valve are closed
With the tenth magnetic valve.
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| CN201710846191.7A CN107588322B (en) | 2017-09-19 | 2017-09-19 | Gas distribution and supplementing device for purifying and recycling sulfur hexafluoride mixed gas and operation method thereof |
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