CN105858619B - Mobile sulfur hexafluoride and carbon tetrafluoride mixed gas Rapid recovery device - Google Patents
Mobile sulfur hexafluoride and carbon tetrafluoride mixed gas Rapid recovery device Download PDFInfo
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- CN105858619B CN105858619B CN201610336891.7A CN201610336891A CN105858619B CN 105858619 B CN105858619 B CN 105858619B CN 201610336891 A CN201610336891 A CN 201610336891A CN 105858619 B CN105858619 B CN 105858619B
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- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 73
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 36
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 41
- 238000005057 refrigeration Methods 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 238000005086 pumping Methods 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 13
- 239000002808 molecular sieve Substances 0.000 claims description 11
- 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 11
- 230000000740 bleeding effect Effects 0.000 claims description 3
- 239000008246 gaseous mixture Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 31
- 238000004064 recycling Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 25
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000000428 dust Substances 0.000 description 5
- 238000011049 filling Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- QHMQWEPBXSHHLH-UHFFFAOYSA-N sulfur tetrafluoride Chemical compound FS(F)(F)F QHMQWEPBXSHHLH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C01B17/4507—Compounds containing sulfur and halogen, with or without oxygen containing sulfur and halogen only
- C01B17/4515—Compounds containing sulfur and halogen, with or without oxygen containing sulfur and halogen only containing sulfur and fluorine only
- C01B17/453—Sulfur hexafluoride
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Gas-Insulated Switchgears (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
Mobile sulfur hexafluoride and carbon tetrafluoride mixed gas Rapid recovery device, including mixed gas recovery system, separation system of mixed gas, refrigeration unit, the special pressure charging system of sulfur hexafluoride, the special pressure charging system of carbon tetrafluoride and pumped vacuum systems.The present invention realizes the quick recycling in scene of mix insulation gas, the simple separation of mixed gas, the functions such as storage of gas after separation；The CF applied in the process4Special high-pressure compressor and SF6 liquid bottle placers, can greatly reduce storage container volume.Gas recovery rate is slow when the present invention is so as to solve the problems, such as mix insulation maintenance of electrical equipment, storage container is more；Mix insulation maintenance of electrical equipment efficiency is improved, and the separation storage of mix insulation gas is also beneficial to mix insulation gas purification reproduction operation.
Description
Technical field
The invention belongs to low temp area mix insulation gas high pressure switchgear service technique fields, and in particular to Yi Zhongyi
Dynamic formula sulfur hexafluoride and carbon tetrafluoride mixed gas Rapid recovery device.
Background technology
Sulfur hexafluoride（SF6）Gas is a kind of sufficiently stable gas of chemical property, as a kind of excellent insulation and is gone out
Arc medium is widely used in various electrical equipments.To ensure SF6The normal operation of electrical equipment, equipment interior sealing
SF6Gas needs to keep certain pressure, and SF6The operation characteristic of gas is influenced apparent by variation of ambient temperature.In China north
Less than -40 DEG C of extreme low temperature can often occur in side and some highlands, winter, under cryogenic SF6In electrical equipment
SF6Gas density will be gradually reduced, part SF6Gas becomes liquid from gaseous state so that SF6Gas pressure in electrical equipment
It reduces, seriously affects equipment normal operation.
To solve SF6SF in electrical equipment6The problem of gas liquefaction at low ambient temperatures, in northern China cold district
Use sulfur hexafluoride and carbon tetrafluoride more（SF6/CF4）The pure SF of mix insulation gas instead6Gas, SF6/CF4Mix insulation gas
It can not liquefy at low ambient temperatures, mix insulation gas largely makes in the electrical equipment of China low temp area at present
With.
In equipment During Process of Long-term Operation, due to the damage of equipment operating environment, device fabrication quality and original paper or aging
Etc. reasons, mix insulation outlet openings switch needs interruption maintenance, and the recycling storage of mixed gas is always to perplex when overhauling
The problem of service personnel's long period.What is used in terms of China's mix insulation gas recycling at present is still to pass through SF6Retracting device
Recycling storage mixed gas（SF6/ CF4）, due to SF in mix insulation gas6And CF4Property, it is difficult to liquefy, it is therefore desirable to
More steel cylinder or large-volume receptacle store gas.So quick recycling memory technology of mix insulation gas under low temperature environment
As the subject of current electrical equipment gas recycling field urgent need to resolve.
Invention content
The present invention provides a kind of mobile sulfur hexafluoride and carbon tetrafluoride mixes to solve shortcoming of the prior art
Gas Rapid recovery device is closed, which can not only recycle mixed gas, and mixed gas can be detached, will be dense
SF after degree raising6And CF4Respectively by special pressure charging system, steel cylinder storage is recycled to, improves mix insulation gas in steel cylinder
Gas-storing capacity, reduce storage container.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：Mobile sulfur hexafluoride and carbon tetrafluoride mix
Gas Rapid recovery device is closed, including mixed gas recovery system, separation system of mixed gas, refrigeration unit 16, sulfur hexafluoride
Special pressure charging system, the special pressure charging system of carbon tetrafluoride and pumped vacuum systems, the gas outlet of mixed gas recovery system is with mixing
The air inlet connection of gas separation system, the gas outlet of separation system of mixed gas and the air inlet of the special pressure charging system of carbon tetrafluoride
Mouth connection, the liquid outlet of separation system of mixed gas are connect with the inlet of the special pressure charging system of sulfur hexafluoride, pumped vacuum systems
Bleeding point pressure charging system special with mixed gas recovery system, sulfur hexafluoride and the special pressure charging system of carbon tetrafluoride connect respectively
It connects, the refrigeration delivery outlet of refrigeration unit 16 is special with mixed gas recovery system, separation system of mixed gas and carbon tetrafluoride respectively
It is connected with pressure charging system.
Mixed gas recovery system includes the first high-voltage tube 1, and the air inlet of the first high-voltage tube 1 is self-styled fast equipped with mixed admission
Quick coupling 2,1 upper edge mixed gas airflow direction of the first high-voltage tube successively be equipped with the first solenoid valve V1, first manual normally open valve C1,
First molecular sieve 3, the first molecular sieve 4, oilless (oil free) compressor 5, the first check valve 6, the first cool-heat-exchanger 7 and mixing outlet are self-styled
Quick coupling 8；Supercharging high-pressure pipe 9 is connected on the first high-voltage tube 1 between the inlet and outlet of first solenoid valve V1, supercharging is high
9 upper edge mixed gas airflow direction of pressure pipe is equipped with second solenoid valve V2,10 and second check valve 11 of vacuum compressor successively；Refrigeration
The refrigeration delivery outlet of unit 16 is connect with the first cool-heat-exchanger 7.
Separation system of mixed gas includes hybrid separation high-voltage tube 12 and gas separate pot 13, hybrid separation high-voltage tube 12
Air inlet is connected on the first high-voltage tube 1 between the first cool-heat-exchanger 7 and the mixing self-styled quick coupling 8 of outlet, mixing point
Gas outlet from high-voltage tube 12 is connect with the air inlet of gas separate pot 13, and hybrid separation high-voltage tube 12 is equipped with third solenoid valve
V3,13 bottom of gas separate pot are equipped with liquid level gauge 14, and 13 top of gas separate pot is equipped with sulfur hexafluoride purity instrument 15；Refrigeration unit
16 refrigeration delivery outlet is connect with gas separate pot 13.
The special pressure charging system of carbon tetrafluoride includes the second high-voltage tube 20, the air inlet and gas separate pot of the second high-voltage tube 20
13 tops connect, and the gas outlet of the second high-voltage tube 20 is equipped with the self-styled quick coupling 21 of carbon tetrafluoride outlet, on the second high-voltage tube 20
It is equipped with the 4th solenoid valve V4,22 and second cool-heat-exchanger 23 of high pressure compressor successively along air inlet to gas outlet direction；Refrigeration
The refrigeration delivery outlet of unit 16 is connect with the second cool-heat-exchanger 23.
The special pressure charging system of sulfur hexafluoride includes third high-voltage tube 17, the inlet and gas separate pot of third high-voltage tube 17
13 bottoms connect, and the gas outlet of third high-voltage tube 17 is equipped with the self-styled quick coupling 18 of sulfur hexafluoride outlet, on third high-voltage tube 17
It is equipped with the 5th solenoid valve V5,19 and the 6th solenoid valve V6 of liquid bottle placer successively along inlet to gas outlet direction.
Pumped vacuum systems includes vacuumizing supervisor 33, and the both ends for vacuumizing supervisor 33 are true with vacuum pump 32 and extraneous pumping respectively
Empty self-styled quick coupling 34 connects, and vacuumizes supervisor 33 and is equipped with the 8th solenoid valve V8；Vacuumize supervisor 33 and supercharging high-pressure pipe 9
Between connected by the first vacuum-pumping tube 35, the first vacuum-pumping tube 35 be equipped with the 9th solenoid valve V9；Vacuumize supervisor 33 and the
It is connected between three high-voltage tubes 17 by third vacuum-pumping tube 37, third vacuum-pumping tube 37 is equipped with the tenth solenoid valve V10；Second is high
It is connected between pressure pipe 20 and third high-voltage tube 17 by the 4th vacuum-pumping tube 38, the 4th vacuum-pumping tube 38 is equipped with the 11st electromagnetism
Valve V11.
Using above-mentioned technical proposal, during mix insulation maintenance of electrical equipment, mix insulation gas sulfur hexafluoride and tetrafluoride
Carbon（SF6/CF4）It is recycled by dedicated mixed gas recovery system, the first molecular sieve and the mixing of the first molecular sieve dry filter are exhausted
The impurity such as moisture and decomposition product in edge gas.Vacuum compressor recycles for negative pressure, reduces mix insulation gas residue；Very
The air inlet of empty compressor be equipped with dust floccule filter, dust floccule filter use precision Filter element, filtering dust and
Solid granulates, filtering accuracy≤1 μm can prevent dust and solid granulates from entering vacuum compressor, extend service life of equipment；It adopts
The impurity such as decomposition product, moisture, the mineral oil in mixed gas are handled with molecular sieve absorption principle；Then pass through oil free compression
Gas after dry filter is recycled in separation system of mixed gas by machine.
SF after recycling6/CF4Not only there is SF in mixed gas6Gas and mixed gas decomposition product, also largely
CF4, the impurity such as decomposition product, moisture and dust in mix insulation gas are filtered to remove by mixed gas recovery system, remained
Under gas be SF6And CF4Mixed gas（SF6With CF4The mass mixings such as gas）, due to CF4It is not easy to liquefy（CF4Critical pressure
Power is 3739kPa, and critical-temperature is -45.6 DEG C；SF6Critical-temperature for 45.55 DEG C, critical-temperature 3759kPa）, therefore
It can be by cryogenic rectification method by SF in separation system of mixed gas6Liquefaction, with CF4It is detached.
Liquid level gauge in gas separate pot is installed, accurately can clearly measure SF6Liquid level of the gas in gas separate pot,
Judged whether to start the special pressure charging system of sulfur hexafluoride according to liquid level, by liquid SF6It is filling in storage tank.In entire gas filling
In the process, gas separate pot continuous firing.As stopping SF6After filling, pass through separation column SF6Purity instrument measures SF6Purity,
According to SF6Purity judges whether to start CF4Press charging system, CF4Pressure is filled using special high-pressure compressor, passes through the side of high pressure low temperature
Formula is by CF4Pressure is charged in steel cylinder.
By the processing of above-mentioned steps, ensure the SF after recycling6Concentration is more than 98%, CF4Concentration is more than 90%, by gas
Body detaches and is charged to steel cylinder, can not only reduce wilderness demand of the live mixed gas recycling to container, but also the gas after separation
The reclaiming clean regeneration in later stage is also allowed for, reaches recycling standard.
In conclusion the present invention realizes the quick recycling in mix insulation gas scene, and by mixed gas simple separation, point
The function of gas storage from after；The present invention realizes the quick recycling in scene of mix insulation gas, and the simple of mixed gas is divided
From the functions such as storage of gas after separation；The CF applied in the process4Special high-pressure compressor, SF6 liquid bottle placers, can reduce
Storage volumes（It compares and does not detach CF4, utilize usually used SF6Retracting device recycles, and volume needed for storage will reduce 75%）.
The present invention improves mix insulation maintenance of electrical equipment efficiency, and the separation storage of mix insulation gas is also beneficial to mix insulation gas
Body purifying regeneration works.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Specific embodiment
As shown in Figure 1, the mobile sulfur hexafluoride of the present invention and carbon tetrafluoride mixed gas Rapid recovery device, including mixed
It is special to close the special pressure charging system of gas recovery system, separation system of mixed gas, refrigeration unit 16, sulfur hexafluoride, carbon tetrafluoride
Charging system and pumped vacuum systems are pressed, the gas outlet of mixed gas recovery system and the air inlet of separation system of mixed gas connect,
The gas outlet of separation system of mixed gas is connect with the air inlet of the special pressure charging system of carbon tetrafluoride, separation system of mixed gas
Liquid outlet is connect with the inlet of the special pressure charging system of sulfur hexafluoride, and the bleeding point of pumped vacuum systems recycles respectively with mixed gas
The special pressure charging system of system, sulfur hexafluoride is connected with the special pressure charging system of carbon tetrafluoride, the refrigeration delivery outlet point of refrigeration unit 16
It is not connect with the special pressure charging system of mixed gas recovery system, separation system of mixed gas and carbon tetrafluoride.
Mixed gas recovery system includes the first high-voltage tube 1, and the air inlet of the first high-voltage tube 1 is self-styled fast equipped with mixed admission
Quick coupling 2,1 upper edge mixed gas airflow direction of the first high-voltage tube successively be equipped with the first solenoid valve V1, first manual normally open valve C1,
First molecular sieve 3, the first molecular sieve 4, oilless (oil free) compressor 5, the first check valve 6, the first cool-heat-exchanger 7 and mixing outlet are self-styled
Quick coupling 8；Supercharging high-pressure pipe 9 is connected on the first high-voltage tube 1 between the inlet and outlet of first solenoid valve V1, supercharging is high
9 upper edge mixed gas airflow direction of pressure pipe is equipped with second solenoid valve V2,10 and second check valve 11 of vacuum compressor successively；Refrigeration
The refrigeration delivery outlet of unit 16 is connect with the first cool-heat-exchanger 7.
Separation system of mixed gas includes hybrid separation high-voltage tube 12 and gas separate pot 13, hybrid separation high-voltage tube 12
Air inlet is connected on the first high-voltage tube 1 between the first cool-heat-exchanger 7 and the mixing self-styled quick coupling 8 of outlet, mixing point
Gas outlet from high-voltage tube 12 is connect with the air inlet of gas separate pot 13, and hybrid separation high-voltage tube 12 is equipped with third solenoid valve
V3,13 bottom of gas separate pot are equipped with liquid level gauge 14, and 13 top of gas separate pot is equipped with sulfur hexafluoride purity instrument 15；Refrigeration unit
16 refrigeration delivery outlet is connect with gas separate pot 13.
The special pressure charging system of carbon tetrafluoride includes the second high-voltage tube 20, the air inlet and gas separate pot of the second high-voltage tube 20
13 tops connect, and the gas outlet of the second high-voltage tube 20 is equipped with the self-styled quick coupling 21 of carbon tetrafluoride outlet, on the second high-voltage tube 20
It is equipped with the 4th solenoid valve V4,22 and second cool-heat-exchanger 23 of high pressure compressor successively along air inlet to gas outlet direction；Refrigeration
The refrigeration delivery outlet of unit 16 is connect with the second cool-heat-exchanger 23.
The special pressure charging system of sulfur hexafluoride includes third high-voltage tube 17, the inlet and gas separate pot of third high-voltage tube 17
13 bottoms connect, and the gas outlet of third high-voltage tube 17 is equipped with the self-styled quick coupling 18 of sulfur hexafluoride outlet, on third high-voltage tube 17
It is equipped with the 5th solenoid valve V5,19 and the 6th solenoid valve V6 of liquid bottle placer successively along inlet to gas outlet direction.
Pumped vacuum systems includes vacuumizing supervisor 33, and the both ends for vacuumizing supervisor 33 are true with vacuum pump 32 and extraneous pumping respectively
Empty self-styled quick coupling 34 connects, and vacuumizes supervisor 33 and is equipped with the 8th solenoid valve V8；Vacuumize supervisor 33 and supercharging high-pressure pipe 9
Between connected by the first vacuum-pumping tube 35, the first vacuum-pumping tube 35 be equipped with the 9th solenoid valve V9；Vacuumize supervisor 33 and the
It is connected between three high-voltage tubes 17 by third vacuum-pumping tube 37, third vacuum-pumping tube 37 is equipped with the tenth solenoid valve V10；Second is high
It is connected between pressure pipe 20 and third high-voltage tube 17 by the 4th vacuum-pumping tube 38, the 4th vacuum-pumping tube 38 is equipped with the 11st electromagnetism
Valve V11.
The specific operation process of the present invention is discussed in detail below as each function.
（One）Mix insulation gas recovery process：The self-styled quick coupling 2 of mixed admission and mix insulation electrical equipment are connected
It connects, closes second solenoid valve V2, open the first solenoid valve V1 and third solenoid valve V3, oilless (oil free) compressor 5 are opened, mixed gas warp
The first molecular sieve 3, the second molecular sieve 4, oilless (oil free) compressor 5, the first cool-heat-exchanger 7 on first high-voltage tube 1 enter gaseous mixture
Body piece-rate system；When gas pressure is less than 0.1MPa in mix insulation electrical equipment gas chamber, second solenoid valve V2 is opened, and first
Solenoid valve V1 is closed, and under the action of vacuum compressor 10, mixed gas enters gas separate pot 13 through supercharging high-pressure pipe 9；Gas
After body enters gas separate pot 13, by mechanical refrigeration depth rectifying, by SF6Liquefaction and and SF6Separation.
If directly recycling mix insulation gas, third solenoid valve V3 can be closed, the mixing self-styled quick coupling 8 of outlet is with mixing
Close gas cylinder connection, so that it may directly recycle mix insulation gas.
（Two）Mix insulation gas separation process：After gas enters gas separate pot 13, using mechanical refrigeration depth rectifying
13 temperature of gas separate pot is down to -15 DEG C~-10 DEG C by principle, and pressure is higher than 1.0MPa, due to SF6Gas and CF4Gas liquid
State point is different, at this time SF6Gas liquefaction, CF4Remain as gaseous state, SF6It, can by being enriched in 13 bottom of gas separate pot after filler
SF is observed by liquid level gauge 146Liquid level.
（Three）SF6Pressure charges dress flow：Mix insulation gas is after the separation of gas separate pot 13, SF6Major part is with liquid shape
Formula is enriched in 13 bottom of gas separate pot, CF4It is enriched in 13 top of gas separate pot in the form of a vapor.SF6In liquid form by
13 bottom of gas separate pot goes out, the self-styled quick coupling 18 of sulfur hexafluoride outlet and SF6Steel cylinder air inlet connects, and it is filling to open liquid
Machine 19 opens the 5th solenoid valve V5, SF6Through the direct filling storage in liquid form of third high-voltage tube 17.
（Four）CF4Pressure charges dress flow：The self-styled quick coupling 21 of carbon tetrafluoride outlet and CF4The air inlet connection of steel cylinder,
CF413 top of gas separate pot is enriched in, the sulfur hexafluoride purity instrument 15 installed by 13 top of gas separate pot can detect
CF4SF in gas6Content, SF6When concentration is less than 10%, high pressure compressor 22 and the 4th solenoid valve V4, CF are opened4Gas is by second
High-voltage tube 20 is extracted out, in high pressure compressor 22（Three stage compression, pressure is up to 10MPa）Under the action of and the second cool-heat-exchanger
23（Reduce CF4Gas temperature）After be stored into steel cylinder or storage container, by CF4Gas high pressure compression storage, gas storage capacity are reachable
25~30kg（With CF4New gas is consistent）.
（Five）Mixed gas recovery system, the special pressure charging system of sulfur hexafluoride and the special pressure charging system of carbon tetrafluoride are taken out true
Empty flow：（1）, close the 9th solenoid valve V9, the tenth solenoid valve V10 and the 11st solenoid valve V11, open the 8th solenoid valve V8 and
Tenth solenoid valve V10 opens vacuum pump 32, you can pressure charging system special to sulfur hexafluoride vacuumizes；（2）, close the tenth electromagnetism
Valve V10, the tenth solenoid valve V10 and the 11st solenoid valve V11 open the 8th solenoid valve V8 and the 9th solenoid valve V9, open vacuum
Pump 32, you can vacuumized to mixed gas recovery system；（2）, close the 9th solenoid valve V9, the 6th solenoid valve V6, the tenth electromagnetism
Valve V10 opens the 8th solenoid valve V8, the tenth solenoid valve V10 and the 11st solenoid valve V11, opens vacuum pump 32, you can to tetrafluoro
Change the special pressure charging system of carbon to vacuumize.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although with reference to above-described embodiment to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Still can the present invention be modified or be waited
With replacing, without departing from the spirit or scope of the invention, or any substitutions, the power in the present invention should all be covered
In sharp claimed range.
Claims (2)
1. mobile sulfur hexafluoride and carbon tetrafluoride mixed gas Rapid recovery device, it is characterised in that：It is returned including mixed gas
Receipts system, separation system of mixed gas, refrigeration unit（16）, the special pressure of special pressure charging system, the carbon tetrafluoride of sulfur hexafluoride fills and is
System and pumped vacuum systems, the gas outlet of mixed gas recovery system and the air inlet of separation system of mixed gas connect, gaseous mixture
The gas outlet of body piece-rate system is connect with the air inlet of the special pressure charging system of carbon tetrafluoride, the liquid outlet of separation system of mixed gas
Connect with the inlet of the special pressure charging system of sulfur hexafluoride, the bleeding point of pumped vacuum systems respectively with mixed gas recovery system,
The special pressure charging system of sulfur hexafluoride is connected with the special pressure charging system of carbon tetrafluoride, refrigeration unit（16）Refrigeration delivery outlet respectively with
Mixed gas recovery system, separation system of mixed gas are connected with the special pressure charging system of carbon tetrafluoride；
Mixed gas recovery system includes the first high-voltage tube（1）, the first high-voltage tube（1）Air inlet to be equipped with mixed admission self-styled fast
Quick coupling（2）, the first high-voltage tube（1）Upper edge mixed gas airflow direction is equipped with the first solenoid valve successively（V1）, first manual it is normal
Valve opening（C1）, the first molecular sieve（3）, the second molecular sieve（4）, oilless (oil free) compressor（5）, the first check valve（6）, the first cold and hot exchange
Device（7）With the mixing self-styled quick coupling of outlet（8）；First solenoid valve（V1）Inlet and outlet between the first high-voltage tube（1）
On be connected with supercharging high-pressure pipe（9）, supercharging high-pressure pipe（9）Upper edge mixed gas airflow direction is equipped with second solenoid valve successively
（V2）, vacuum compressor（10）With the second check valve（11）；Refrigeration unit（16）Refrigeration delivery outlet and the first cool-heat-exchanger
（7）Connection；
Separation system of mixed gas includes hybrid separation high-voltage tube（12）And gas separate pot（13）, hybrid separation high-voltage tube（12）
Air inlet be connected to the first cool-heat-exchanger（7）With the mixing self-styled quick coupling of outlet（8）Between the first high-voltage tube（1）
On, hybrid separation high-voltage tube（12）Gas outlet and gas separate pot（13）Air inlet connection, hybrid separation high-voltage tube（12）
It is equipped with third solenoid valve（V3）, gas separate pot（13）Bottom is equipped with liquid level gauge（14）, gas separate pot（13）Top is equipped with
Sulfur hexafluoride purity instrument（15）；Refrigeration unit（16）Refrigeration delivery outlet and gas separate pot（13）Connection；
The special pressure charging system of carbon tetrafluoride includes the second high-voltage tube（20）, the second high-voltage tube（20）Air inlet and gas separate pot
（13）Top connects, the second high-voltage tube（20）Gas outlet be equipped with the self-styled quick coupling of carbon tetrafluoride outlet（21）, the second high pressure
Pipe（20）Upper edge air inlet is equipped with the 4th solenoid valve successively to gas outlet direction（V4）, high pressure compressor（22）With the second cold and hot friendship
Parallel operation（23）；Refrigeration unit（16）Refrigeration delivery outlet and the second cool-heat-exchanger（23）Connection；
The special pressure charging system of sulfur hexafluoride includes third high-voltage tube（17）, third high-voltage tube（17）Inlet and gas separate pot
（13）Bottom connects, third high-voltage tube（17）Gas outlet be equipped with the self-styled quick coupling of sulfur hexafluoride outlet（18）, third high pressure
Pipe（17）Upper edge inlet is equipped with the 5th solenoid valve successively to gas outlet direction（V5）, liquid bottle placer（19）With the 6th solenoid valve
（V6）.
2. movable type sulfur hexafluoride according to claim 1 and carbon tetrafluoride mixed gas Rapid recovery device, feature
It is：Pumped vacuum systems includes vacuumizing supervisor（33）, vacuumize supervisor（33）Both ends respectively with vacuum pump（32）And the external world
Vacuumize self-styled quick coupling（34）Connection, vacuumizes supervisor（33）It is equipped with the 8th solenoid valve（V8）；Vacuumize supervisor（33）
With supercharging high-pressure pipe（9）Between pass through the first vacuum-pumping tube（35）Connection, the first vacuum-pumping tube（35）It is equipped with the 9th solenoid valve
（V9）；Vacuumize supervisor（33）With third high-voltage tube（17）Between pass through third vacuum-pumping tube（37）Connection, third vacuum-pumping tube
（37）It is equipped with the tenth solenoid valve（V10）；Second high-voltage tube（20）With third high-voltage tube（17）Between pass through the 4th vacuum-pumping tube
（38）Connection, the 4th vacuum-pumping tube（38）It is equipped with the 11st solenoid valve（V11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610336891.7A CN105858619B (en) | 2016-05-20 | 2016-05-20 | Mobile sulfur hexafluoride and carbon tetrafluoride mixed gas Rapid recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN106710787B (en) * | 2016-12-21 | 2018-06-26 | 河南省日立信股份有限公司 | Sulfur hexafluoride gas Emergency recovery cleaning system after underground substation transformer leakage |
| CN106823871B (en) * | 2017-02-10 | 2020-03-13 | 平高集团有限公司 | Gas separation recovery system and gas circuit for mixed gas experiment |
| CN108730761A (en) * | 2017-04-21 | 2018-11-02 | 上海润京能源科技有限公司 | Insulation of electrical installation fluorinated mixed gas on-site maintenance device |
| CN107433111A (en) * | 2017-09-18 | 2017-12-05 | 国网安徽省电力公司电力科学研究院 | A kind of quick recovery system of mix insulation gas and method |
| CN107588322B (en) * | 2017-09-19 | 2024-05-17 | 国网安徽省电力公司电力科学研究院 | Gas distribution and supplementing device for purifying and recycling sulfur hexafluoride mixed gas and operation method thereof |
| 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 |
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| US20090041654A1 (en) * | 2004-06-02 | 2009-02-12 | Golden Triangle Enterprises Pty Ltd | Gas Recovery of Sulphur Hexafluoride |
| CN103213952A (en) * | 2013-04-26 | 2013-07-24 | 河南省日立信股份有限公司 | Separating and purifying system for sulfur hexafluoride and carbon tetrafluoride |
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| CN103213952A (en) * | 2013-04-26 | 2013-07-24 | 河南省日立信股份有限公司 | Separating and purifying system for sulfur hexafluoride and carbon tetrafluoride |
| CN203269564U (en) * | 2013-04-26 | 2013-11-06 | 河南省日立信股份有限公司 | Separation and purification system for sulphur hexafluoride and carbon tetrafluoride |
| CN205773343U (en) * | 2016-05-20 | 2016-12-07 | 国家电网公司 | Portable sulfur hexafluoride and carbon tetrafluoride mixed gas Rapid recovery device |
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