CN208742448U - Dynamic gas distribution device for mixed insulating gas - Google Patents
Dynamic gas distribution device for mixed insulating gas Download PDFInfo
- Publication number
- CN208742448U CN208742448U CN201820863182.9U CN201820863182U CN208742448U CN 208742448 U CN208742448 U CN 208742448U CN 201820863182 U CN201820863182 U CN 201820863182U CN 208742448 U CN208742448 U CN 208742448U
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- Prior art keywords
- gas
- unit
- distribution
- distributing device
- mixed gas
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- 239000007789 gas Substances 0.000 claims abstract description 165
- 238000009413 insulation Methods 0.000 claims abstract description 25
- 230000003139 buffering effect Effects 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 21
- 239000006200 vaporizer Substances 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 229910018503 SF6 Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 6
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 6
- 239000004341 Octafluorocyclobutane Substances 0.000 claims description 5
- 239000003570 air Substances 0.000 claims description 5
- 238000003682 fluorination reaction Methods 0.000 claims description 5
- 150000002576 ketones Chemical class 0.000 claims description 5
- 150000002825 nitriles Chemical class 0.000 claims description 5
- BCCOBQSFUDVTJQ-UHFFFAOYSA-N octafluorocyclobutane Chemical compound FC1(F)C(F)(F)C(F)(F)C1(F)F BCCOBQSFUDVTJQ-UHFFFAOYSA-N 0.000 claims description 5
- 235000019407 octafluorocyclobutane Nutrition 0.000 claims description 5
- VPAYJEUHKVESSD-UHFFFAOYSA-N trifluoroiodomethane Chemical compound FC(F)(F)I VPAYJEUHKVESSD-UHFFFAOYSA-N 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract 2
- 238000011161 development Methods 0.000 abstract 1
- 230000018109 developmental process Effects 0.000 abstract 1
- 235000013547 stew Nutrition 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a mix insulating gas developments distributing device, include: a protective housing; the gas distribution unit, the gas mixing unit and the inflation unit are arranged in the protective shell; the gas distribution unit comprises at least one first gas distribution branch for distributing a first gas and at least one second gas distribution branch for distributing a second gas, and the insulation strength and the liquefaction temperature of the first gas are higher than those of the second gas; the gas mixing unit is connected with the gas distribution unit and is used for mixing the first type of gas and the second type of gas; the gas charging unit is connected with the gas mixing unit and used for pressurizing the mixed gas and then conveying the pressurized mixed gas to electrical equipment or experimental equipment. The utility model discloses simple structure, mixing efficiency is high, will mix the cavity and the cavity that stews of buffering merges, can reduce the waste gas volume of aerifing the in-process, still can realize three routes and more the gaseous mixed distribution of multichannel.
Description
Technical field
The utility model relates to technical field of power systems more particularly to a kind of mix insulation gas-dynamic air distributing devices.
Background technique
Gas-insulated/arc extinguishing have good automatic recovery ability, and have capacitivity is stable, dielectric loss is small, it is non-ignitable,
It is not quick-fried, chemical stability is good, not aging, it is cheap the advantages that, therefore gas-insulated/arc-extinguishing medium is widely used in electrically setting
In standby.Common gas insulating material has air, nitrogen, hydrogen, carbon dioxide, sulfur hexafluoride etc., the tool to attract attention in the recent period
There is the gas-insulated medium of high insulation resistance to have trifluoroiodomethane, octafluorocyclobutane, fluorination nitrile and fluorinated ketone gas etc..
However, the condensing temperature of above-mentioned several high insulation resistance gases is higher, needed in research and application with air,
The mixing of the buffer gas such as carbon dioxide；In addition, when sulfur hexafluoride gas is applied to extremely frigid zones, since outdoor temperature is lower,
The gas faces Liquefaction when applying under high inflation pressure in power equipment, it is also desirable to be filled with a certain amount of nitrogen or four
The buffer gas such as fluorocarbons.For the research and application of above-mentioned mix insulation gas, need a set of good mixing effect, it is high-efficient,
The few mixing distribution technology of exhausted air quantity.
Utility model content
A kind of mix insulation gas-dynamic is provided the technical problem to be solved by the utility model is to, the utility model to match
Device of air improves mixing efficiency to improve mixed effect, reduces exhausted air quantity.
In order to solve the above-mentioned technical problem, the utility model provides a kind of mix insulation gas-dynamic air distributing device, comprising:
Protect shell；
The distribution unit, mixed gas unit and inflation unit of the protection enclosure interior are set；
The distribution unit includes that at least one the first distribution branch and at least one for dispensing first kind gas is used
In the second distribution branch for dispensing the second class gas, the dielectric strength and condensing temperature of the first kind gas are above described the
Two class gases；
The mixed gas unit is connected with the distribution unit, for mixing the first kind gas and the second class gas
Body；
The inflation unit is connected with the mixed gas unit, for being delivered to electrical equipment after mixed gas boosting
Or experimental facilities.
Wherein, multiple inlet suction ports and an air outlet adapter are provided on the protection shell.
Wherein, the input terminal of the input terminal of the first distribution branch and the second distribution branch respectively with it is the multiple
Inlet suction port is connected, and the inflation unit is connected with the air outlet adapter.
Wherein, the first distribution branch includes the first gas cylinder being linked in sequence, the first pressure reducing valve, the first vaporizer, the
One solenoid valve and first gas mass flowmenter, first gas cylinder are connected with an inlet suction port；The second distribution branch
The second gas cylinder, the second pressure reducing valve, second solenoid valve and second gas mass flowmenter including sequential connection, second gas cylinder
It is connected with another inlet suction port.
Wherein, the mixed gas unit includes a mixed gas tank body that there is mixed gas chamber and buffering to stand chamber, the mixed gas
Chamber is connected with the output end of the distribution unit.
Wherein, the first gas mass flowmenter and the second gas mass flowmenter are as the distribution unit
Output end is connected to the mixed gas chamber.
Wherein, the inflation unit includes gas compressor, check valve and the quick coupling being linked in sequence, the gas pressure
Contracting machine stands chamber with the buffering and is connected, and the quick coupling is connected with the air outlet adapter.
Wherein, the mix insulation gas-dynamic air distributing device further includes vacuum unit, passes through gas triple valve and institute
It states distribution unit to be connected with the mixed gas unit, for carrying out vacuum pumping to the distribution unit and the mixed gas unit.
Wherein, the vacuum unit includes the 4th solenoid valve and vacuum pump.
Wherein, the first kind gas includes sulfur hexafluoride, trifluoroiodomethane, octafluorocyclobutane, fluorination nitrile and fluorinated ketone；
The second class gas includes nitrogen, carbon dioxide, air.
The beneficial effect of the utility model embodiment is: structure is simple, and mixing efficiency is high, and mixing chamber and buffering is quiet
Chamber merging is set, the exhausted air quantity in gas replenishment process is can be reduced, can also be achieved the mixing distribution to three tunnels and more multipath gas.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of mix insulation gas-dynamic air distributing device of the utility model embodiment.
Fig. 2 is the structural schematic diagram that enclosure interior is protected in the utility model embodiment.
Specific embodiment
The explanation of following embodiment be with reference to attached drawing, can be to the particular implementation implemented to example the utility model
Example.
Referring to shown in Fig. 1 and Fig. 2, the utility model embodiment provides a kind of mix insulation gas-dynamic distribution dress
It sets, comprising:
Protect shell；
The distribution unit, mixed gas unit and inflation unit of the protection enclosure interior are set；
The distribution unit includes that at least one the first distribution branch and at least one for dispensing first kind gas is used
In the second distribution branch for dispensing the second class gas, the dielectric strength and condensing temperature of the first kind gas are above described the
Two class gases；
The mixed gas unit is connected with the distribution unit, for mixing the first kind gas and the second class gas
Body；
The inflation unit is connected with the mixed gas unit, for being delivered to electrical equipment after mixed gas boosting
Or experimental facilities.
It protects and three inlet suction ports 24,25,26 and an air outlet adapter 27 is set on shell.
In the present embodiment, the first distribution branch and the second distribution branch of distribution unit setting are for dispensing variety classes gas
Body, wherein first kind gas be the gas with high condensing temperature, high insulation resistance, such as sulfur hexafluoride, trifluoroiodomethane,
Octafluorocyclobutane, fluorination nitrile and fluorinated ketone etc.；Second class gas is the gases such as common nitrogen, carbon dioxide, air, liquefaction temperature
Degree and dielectric strength are respectively less than first kind gas.The input terminal of the input terminal of first distribution branch and the second distribution branch respectively with
Multiple inlet suction ports are connected, and inflation unit is connected with the air outlet adapter.
Specifically, the first distribution branch includes the first gas cylinder being linked in sequence, the first pressure reducing valve, the first vaporizer, first
Solenoid valve and first gas mass flowmenter, the first gas cylinder are connected with an inlet suction port；Second distribution branch includes that sequence connects
The second gas cylinder, the second pressure reducing valve, second solenoid valve and the second gas mass flowmenter connect, the second gas cylinder and another air inlet connecting
Head is connected.It is also different in the composition of the first distribution branch and the second distribution branch since the type of dispatching gas is different,
The main distinction is, the first distribution branch is equipped with the first vaporizer, with high condensing temperature, high insulation resistance gas through first
It must become gaseous state after pressure reducing valve decompression by the first vaporizer, then first gas mass flowmenter is entered by the first solenoid valve 10
13；Second distribution branch is then not provided with vaporizer, and the second class gas directly passes through the second electromagnetism after the decompression of the second pressure reducing valve 5
Valve 11 enters second gas mass flowmenter 14.
Again by Fig. 2 shows protection enclosure interior structure for, distribution unit include three distribution branches, the first distribution
Branch includes the first gas cylinder 1, the first pressure reducing valve 4, the first vaporizer 7, the first solenoid valve 10, first gas mass flowmenter 13；
Second distribution branch includes the second gas cylinder 2, the second pressure reducing valve 5, second solenoid valve 11, second gas mass flowmenter 14；Third
Distribution branch includes third gas cylinder 3, third pressure reducing valve 6, third solenoid valve 12, third gas mass flowmenter 15.First gas cylinder 1
Output end be connected to the input terminal of the first pressure reducing valve 4, the input terminal of the output end of the first pressure reducing valve 4 and the first vaporizer 7 connects
Logical, the output end of the first vaporizer is connected to through the first solenoid valve 10 with the input terminal of first gas mass flowmenter 13, the first gas
Output end one of of the output end of weight flowmeter 13 as distribution unit；The output end of second gas cylinder 2 and the second pressure reducing valve 5
Input terminal connection, input terminal of the output end of the second pressure reducing valve 5 through second solenoid valve 11 Yu second gas mass flowmenter 14
Connection, output end one of of the output end of second gas mass flowmenter 14 as distribution unit；The output end of third gas cylinder 3 with
The input terminal of third pressure reducing valve 6 is connected to, and the output end of third pressure reducing valve 6 is through third solenoid valve 12 and third gas mass flowmenter
15 input terminal connection, output end one of of the output end of third gas mass flowmenter 15 as distribution unit.
As previously mentioned, if the second distribution branch is used to dispense first kind gas, in the second pressure reducing valve 5 and the second electromagnetism
The second vaporizer 8 will be added between valve 11, if for dispensing the second class gas, no setting is required the second vaporizer 8.Equally
Ground, if third distribution branch will be added between third pressure reducing valve 6 and third solenoid valve 12 for dispensing first kind gas
Third vaporizer 9, if for dispensing the second class gas, no setting is required third vaporizer 9.
Mixed gas unit includes the mixed gas tank body that band mixes gas chamber 16 and buffering stands chamber 17, mixes gas chamber 16 and is equipped with control
The device of airflow direction.Inflation unit includes gas compressor 18, check valve 19 and quick coupling 20, gas compressor 18 and slow
Punching stands chamber 17 and is connected, and the output end of gas compressor 18 is connected to the input terminal of check valve 19, the output end of check valve 19
It is connected to quick coupling 20, quick coupling 20 is connected with air outlet adapter 27.
In order to carry out vacuum pumping to distribution unit and mixed gas unit, the present embodiment further includes vacuum unit, is passed through
Gas triple valve is connected with distribution unit and mixed gas unit.Further, vacuum unit includes the 4th solenoid valve 21 and vacuum
Pump 22.4th solenoid valve 21, mixed gas chamber 16 are connected to the output end of distribution unit by a gas triple valve.
The operation principle and process of the present embodiment mix insulation gas-dynamic air distributing device is as follows:
Before being electrical equipment or experimental facilities distribution using the present embodiment mix insulation gas-dynamic air distributing device, firstly,
The inlet suction port on shell will be protected to connect with corresponding gas cylinder, air outlet adapter and electrical equipment or experimental facilities air inlet connect
It connects；Then vacuum pumping is carried out to each unit, cavity and gas circuit using vacuum pump.For electrical equipment or experimental facilities distribution
When, for sulfur hexafluoride, trifluoroiodomethane, octafluorocyclobutane, the fluorination liquefaction such as nitrile and fluorinated ketone and temperature is higher high insulate
Intensity gas is dispensed using the first distribution branch, first passes around the first pressure reducing valve and depressurize and stablize in 0.1-0.2MPa pressure model
In enclosing, becomes gaseous state using the first vaporizer, the entrance of first gas mass flowmenter is entered by the first solenoid valve；For
The gases such as nitrogen, carbon dioxide, air are dispensed using the second distribution branch, are not necessarily to vaporizer, are directly depressurized through the second pressure reducing valve
And stablize in 0.1-0.2MPa pressure limit, the entrance of second gas mass flowmenter is entered using second solenoid valve.Two
Road gas, into the input terminal of mixed gas unit, is introduced into mixed gas chamber, makes after the control of preset gas mass flow meter
Two-way gas is sufficiently mixed, and is entered back into buffering and is stood chamber；Mixed gas after evenly mixing enters the input of gas compressor
End, enters electrical equipment or experimental facilities through check valve and quick coupling after being pressurized by gas compressor.As previously mentioned, first matches
Gas branch and the second distribution branch can be set a plurality of according to design and actual demand, and multiple gases are equal in mixed gas tank body
Even mixing.
By above description it is found that the utility model embodiment bring beneficial effect is: structure is simple, mixing efficiency
Height, by mixing chamber with buffering stand chamber merges, can be reduced the exhausted air quantity in gas replenishment process, can also be achieved to three tunnels and more
The mixing distribution of road gas.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly
Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the scope of the utility model.
Claims (10)
1. a kind of mix insulation gas-dynamic air distributing device characterized by comprising
Protect shell；
The distribution unit, mixed gas unit and inflation unit of the protection enclosure interior are set；
The distribution unit includes at least one for dispensing the first distribution branch and at least one of first kind gas for matching
The second distribution branch of the second class gas is sent, the dielectric strength and condensing temperature of the first kind gas are above second class
Gas；
The mixed gas unit is connected with the distribution unit, for mixing the first kind gas and the second class gas；
The inflation unit is connected with the mixed gas unit, for being delivered to electrical equipment or reality after mixed gas boosting
Test equipment.
2. mix insulation gas-dynamic air distributing device according to claim 1, which is characterized in that set on the protection shell
It is equipped with multiple inlet suction ports and an air outlet adapter.
3. mix insulation gas-dynamic air distributing device according to claim 2, which is characterized in that the first distribution branch
Input terminal and the input terminal of the second distribution branch be connected respectively with the multiple inlet suction port, the inflation unit and institute
Air outlet adapter is stated to be connected.
4. mix insulation gas-dynamic air distributing device according to claim 3, which is characterized in that the first distribution branch
The first gas cylinder, the first pressure reducing valve, the first vaporizer, the first solenoid valve and first gas mass flowmenter including sequential connection,
First gas cylinder is connected with an inlet suction port；The second distribution branch includes the second gas cylinder being linked in sequence, second subtracts
Pressure valve, second solenoid valve and second gas mass flowmenter, second gas cylinder are connected with another inlet suction port.
5. mix insulation gas-dynamic air distributing device according to claim 4, which is characterized in that the mixed gas unit includes
The one mixed gas tank body that there is mixed gas chamber and buffering to stand chamber, the output end phase of the mixed gas chamber and the distribution unit
Even.
6. mix insulation gas-dynamic air distributing device according to claim 5, which is characterized in that the first gas quality
The output end of flowmeter and the second gas mass flowmenter as the distribution unit, is connected to the mixed gas chamber.
7. mix insulation gas-dynamic air distributing device according to claim 5, which is characterized in that the inflation unit includes
Gas compressor, check valve and the quick coupling of sequential connection, the gas compressor stand chamber with the buffering and are connected, institute
Quick coupling is stated to be connected with the air outlet adapter.
8. mix insulation gas-dynamic air distributing device according to claim 1, which is characterized in that further include vacuumizing list
Member is connected by gas triple valve with the distribution unit and the mixed gas unit, for the distribution unit and described mixed
Gas unit carries out vacuum pumping.
9. mix insulation gas-dynamic air distributing device according to claim 8, which is characterized in that the vacuum unit packet
Include the 4th solenoid valve and vacuum pump.
10. -9 described in any item mix insulation gas-dynamic air distributing devices according to claim 1, which is characterized in that described
A kind of gas includes sulfur hexafluoride, trifluoroiodomethane, octafluorocyclobutane, fluorination nitrile and fluorinated ketone；The second class gas includes
Nitrogen, carbon dioxide, air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820863182.9U CN208742448U (en) | 2018-06-05 | 2018-06-05 | Dynamic gas distribution device for mixed insulating gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820863182.9U CN208742448U (en) | 2018-06-05 | 2018-06-05 | Dynamic gas distribution device for mixed insulating gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208742448U true CN208742448U (en) | 2019-04-16 |
Family
ID=66052699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820863182.9U Active CN208742448U (en) | 2018-06-05 | 2018-06-05 | Dynamic gas distribution device for mixed insulating gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208742448U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108514846A (en) * | 2018-06-05 | 2018-09-11 | 深圳供电局有限公司 | Dynamic gas distribution device for mixed insulating gas |
| CN110302716A (en) * | 2019-08-07 | 2019-10-08 | 国网安徽省电力有限公司电力科学研究院 | Constant volume transformation big flow air distribution system and its air distributing method |
| CN110639377A (en) * | 2019-09-24 | 2020-01-03 | 西安鸿钧睿泽新材料科技有限公司 | Device and method for preparing carbon dioxide gas containing air and having different concentrations |
| WO2021023086A1 (en) * | 2019-08-07 | 2021-02-11 | 国网安徽省电力有限公司电力科学研究院 | Multifunctional c4f7n/co2 mixed gas distribution system, and gas distribution method |
-
2018
- 2018-06-05 CN CN201820863182.9U patent/CN208742448U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108514846A (en) * | 2018-06-05 | 2018-09-11 | 深圳供电局有限公司 | Dynamic gas distribution device for mixed insulating gas |
| CN110302716A (en) * | 2019-08-07 | 2019-10-08 | 国网安徽省电力有限公司电力科学研究院 | Constant volume transformation big flow air distribution system and its air distributing method |
| WO2021023086A1 (en) * | 2019-08-07 | 2021-02-11 | 国网安徽省电力有限公司电力科学研究院 | Multifunctional c4f7n/co2 mixed gas distribution system, and gas distribution method |
| CN110302716B (en) * | 2019-08-07 | 2024-03-12 | 国网安徽省电力有限公司电力科学研究院 | Constant-volume variable-pressure high-flow gas distribution system and gas distribution method thereof |
| CN110639377A (en) * | 2019-09-24 | 2020-01-03 | 西安鸿钧睿泽新材料科技有限公司 | Device and method for preparing carbon dioxide gas containing air and having different concentrations |
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