CN104390134B - Inflating device for high-pressure switch equipment - Google Patents
Inflating device for high-pressure switch equipment Download PDFInfo
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- CN104390134B CN104390134B CN201410663896.1A CN201410663896A CN104390134B CN 104390134 B CN104390134 B CN 104390134B CN 201410663896 A CN201410663896 A CN 201410663896A CN 104390134 B CN104390134 B CN 104390134B
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- gas
- holding tank
- switch gear
- tension switch
- aerating device
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- 239000007788 liquid Substances 0.000 claims abstract description 38
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- 241001233242 Lontra Species 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
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- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
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- 230000000284 resting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The invention provides an inflating device for high-pressure switch equipment. The inflating device comprises a containing tank for containing a liquid heat conduction medium, wherein an opening from which an air bottle can enter the containing tank so as to be immersed in the liquid heat conduction medium is formed in the top of the containing tank; a heater for heating the liquid heat conduction medium is arranged in the containing tank. When the air bottle is cooled because of inflation of an air chamber of the high-pressure switch equipment, the liquid heat conduction medium can be used for performing heating compensation on the air bottle; the air bottle is immersed in the liquid heat conduction medium, the whole air bottle is relatively uniformly heated, so that the problem of non-uniform partial heating is solved; a medium in the air bottle is relatively stable, so that the inflation efficiency of the whole air bottle when being used for inflating the air chamber of the high-pressure switch equipment can be guaranteed.
Description
Technical field
The present invention relates to a kind of high-tension switch gear aerating device.
Background technology
With the increase of transmission distance and transmission line capability, the development of power transmission electric network is progressively sent out to supertension and extra-high voltage direction
Exhibition.With the lifting of electric pressure, the chamber volume of high-tension switch gear increases sharply, and gas consumption increases severely, with 1100kV high pressure
As a example by switchgear, its GCB gas chamber volume is more than 20 cubic meters, needs SF6Gas kg more than 800.At present, SF6Gas is adopted and is added
The mode of hydraulic fluid is stored, is transported, and is inflated to high-tension switch gear by gasification in erecting bed.Due to SF6Gas is special
Different physical property, needs to absorb substantial amounts of heat in gasification, easily makes liquid SF in gas cylinder6Freeze solidification, leads
Inflation rate is caused to decline, it is more frequent in cold winter or northern and high altitude localitiess such case.
Disclose a kind of for reducing SF in Chinese utility model patent of the Authorization Notice No. for CN203585807U6Steel
The new tool of bottle gas residue rate, including utility cart, gas cylinder is fixed on utility cart, in air chamber of the gas cylinder to high-tension switch gear
During inflation, the three groups of heaters being made up of open-close type heating plate respectively being spaced apart along the vertical direction being provided with by utility cart
Gas cylinder is heated, the problem solidified with avoiding occurring freezing in gas cylinder reduces remaining tolerance in gas cylinder.
But each heater on above-mentioned utility cart is that gas cylinder local is heated, and easily occurs integrally heating not gas cylinder
Uniform problem, it is just to heater or good near heats where heater on gas cylinder, and away from heater on gas cylinder
Where heats it is relatively poor, and then cause in gas cylinder localized ice build solidification, this will affect the normal inflation of gas cylinder.By
In employing multiple local heaters, once certain local heater is damaged and cannot need that heating is little to be pushed away if normal heating
Car quits work and carries out Maintenance and Repair, and this will affect the normal work of whole heating utility cart, affect normal charging efficiency.
The content of the invention
The present invention provides a kind of high-tension switch gear aerating device, to solve to pass through local heater pair in prior art
Easily occurs heating uneven technical problem when gas cylinder is heated.
The technical scheme of high-tension switch gear aerating device provided by the present invention is：High-tension switch gear inflation dress
Put, holding tank is entered to immerse liquid including air feed bottle for containing the holding tank of liquid thermal conductivity media, is provided with the top of holding tank
Opening in body heat-conducting medium, is provided with the heater for being heated to liquid thermal conductivity media in holding tank.
Be provided with described holding tank for monitoring the temperature sensor of liquid thermal conductivity media temperature, the heater with can
The heater control element control connection of heater button action is controlled according to the monitoring result of temperature sensor.
Described aerating device is also included for going out each gas cylinder during plural gas cylinder is placed with holding tank
QI KOU is connected with the gas-collecting structure to high-tension switch gear central gas supply, and gas-collecting structure includes main pipeline and is used to connect main pipeline
And the branch pipe(tube) of correspondence gas cylinder, main pipeline is provided with the gas outlet connected for the air chamber with high-tension switch gear.
Described aerating device is included for detecting the pressure transducer of the air chamber air pressure of high-tension switch gear, the inflation
Device is also included for connecting the gas distribution channel of the gas outlet of the main pipeline and the air chamber of high-tension switch gear, on gas distribution channel
It is provided with electromagnetic valve, electromagnetic valve and the Air Valve Control element that electromagnetic valve switch action can be controlled according to the testing result of pressure transducer
Control connection.
Described aerating device is also included for the warning of setting value alarm is reached in the measurement result of pressure transducer
Device, the gas distribution channel are provided with the manual switch valve for closing gas distribution channel after the alarm sends alarm signal.
The branch road air valve of control branch pipe(tube) break-make is respectively equipped with each branch pipe(tube) of described gas-collecting structure.
The hoisting structure for the lifting transhipment gas cylinder in holding tank is additionally provided with described holding tank, hoisting structure includes
The mast-up that can be rotated around vertically extending center of rotation axis, mast-up are provided with the walking track for extending transversely, OK
Walk movement on track and be equipped with the electric block for handling gas cylinder.
Described hoisting structure also includes the firm banking being fixed on holding tank, hinge mounted propping up on firm banking
Support underframe and the support side lever for supporting the positioning support underframe, described mast-up rotational support are assemblied in the support
On underframe, the one end and support side lever for supporting side lever is hinged, the other end is then matched somebody with somebody by bearing pin is dismantled and assembled with firm banking, is supporting
The bearing pin mounting hole matched somebody with somebody dismantled and assembled with the bearing pin is respectively equipped with side lever and firm banking.
Described holding tank is provided with the outlet for liquid thermal conductivity media is drained.
The heating element heater of the heater is the heater strip being arranged in holding tank inner chamber, is provided with to which in heater strip side
The metal otter board protected.
The heating element heater of the heater is to be arranged on the inside of the holding tank adding in the inner chamber of cell wall and/or holding tank
Heated filament.
The invention has the beneficial effects as follows：In high-tension switch gear aerating device provided by the present invention, gas cylinder is loaded
In holding tank, the liquid thermal conductivity media in holding tank is heated by heater, air chamber from gas cylinder to high-tension switch gear
During inflation, heat compensation can be carried out to gas cylinder by liquid thermal conductivity media, accelerate the liquefied gas vapo in gas cylinder, improve inflation effect
Rate.In due to gas cylinder immersion liquid thermal conductivity media, gas cylinder is integrally heated than more uniform, be not in asking for local heating inequality
Topic, gas cylinder internal medium is relatively stable, it is ensured that chamber inflated from whole gas cylinder to high-tension switch gear when charging efficiency.
Further, the temperature of liquid thermal conductivity media of the heater by heater control element according to measured by temperature sensor
Controlling switch, when liquid thermal conductivity media is relatively low, heater control element control heater is heated to liquid thermal conductivity media, and
When liquid thermal conductivity media temperature exceedes setting value, heater control element will control heater and stop heating, with save energy.
Further, outlet is provided with holding tank, when liquid thermal conductivity media temperature is reduced to setting value, can be with Jing
Liquid thermal conductivity media is discharged by outlet, gas cylinder is caused to damage with the liquid thermal conductivity media for avoiding temperature too low.
Further, the plural gas cylinder being placed in holding tank can be connected right to be formed by gas-collecting structure
The central gas supply of the air chamber of high-tension switch gear, can effectively improve charging efficiency.
Further, the pressure size of high-voltage switch gear air chamber can be detected by pressure transducer, when pressure transducer is examined
When measuring the pressure of air chamber and reaching setting value, pressure control valve controls electromagnetic valve according to the testing result of pressure transducer and closes
Close, gas distribution channel disconnects, and when the pressure that pressure transducer detects air chamber is not up to setting value, pressure control valve is by root
Open according to the testing result control electromagnetic valve of pressure transducer, gas distribution channel is opened, and continues to the air chamber of high-tension switch gear to fill
Gas, can so realize automatically controlling aerating device, reduce labor strength.
Further, when the testing result of pressure transducer reaches setting value, alarm will send alarm signal, by grasping
Make personnel and manually close manual switch valve, gas distribution channel is closed.
Further, air valve is respectively equipped with each branch pipe(tube) of gas-collecting structure, so in single air cylinder insufficient pressure,
Air valve can be closed by volume, in order to change gas cylinder at any time, while the normal work of aerating device can be ensured in Renewal process
Make.
Further, aerating device is also included for lifting the hoisting structure for transporting gas cylinder, when specifically lifting, using electronic
Gas cylinder is lifted by crane by calabash, then promotes mast-up to rotate, and when gas cylinder is transported to target location, electric block is by under gas cylinder
Side, gas cylinder are entered in liquid thermal conductivity media, and then realize the lifting operation to gas cylinder, reduce labor intensity when gas cylinder is transported,
Improve work efficiency.
Further, when needing to lift transhipment gas cylinder, bearing pin correspondence insertion is supported into side lever and the pin on firm banking
In axle installing hole, support is positioned support underframe and mast-up by support side lever, consequently facilitating lifting transhipment gas cylinder, and work as and do not need
During lifting gas cylinder, can will disassemble in bearing pin mounting hole of the bearing pin from support side lever and firm banking, side lever will be supported
Come with firm banking point, at this point it is possible to the support underframe being hinged on firm banking was fallen, be easy to the shifting of whole aerating device
Dynamic transhipment.
Further, the heating element heater of heater is using the heater strip being arranged in holding tank inner chamber, the letter of one side structure
Singly, it is easy to arrangement, on the other hand can also improves the efficiency of heating surface of the heater to liquid thermal conductivity media.
Description of the drawings
Fig. 1 is a kind of structural representation of embodiment of high-tension switch gear provided by the present invention；
Fig. 2 is partial enlarged drawing at A in Fig. 1；
Fig. 3 is the internal structure schematic diagram of holding tank in Fig. 1；
Fig. 4 is the structural representation of gas-collecting structure in Fig. 1；
Fig. 5 is the schematic diagram of pressure detection structure in Fig. 1；
Fig. 6 is the structural representation of hoisting structure in Fig. 1.
Specific embodiment
As shown in Figures 1 to 6, a kind of embodiment of high-tension switch gear aerating device, the inflation dress in the embodiment
The handbarrow platform that support wheel is provided with including bottom is put, is installed with handbarrow platform for containing the receiving of liquid thermal conductivity media
Groove 4, liquid thermal conductivity media herein can adopt water, and the top of holding tank 4 is provided with air feed bottle and is led with immersing liquid into holding tank
Opening in thermal medium, is provided with the heater for being heated to liquid thermal conductivity media, the heating of heater in holding tank 4
Element is the heater strip 8 being arranged in the holding tank inner chamber, and heater strip 8 herein is included along many of gas cylinder arranged direction extension
Individual ring set silk section, each ring set silk Duan Jun vertically extends so that ring set silk section is immersed in liquid thermal conductivity media with gas cylinder
Structure is coincide, and to ensure heats, also, the side in heater strip 8 is additionally provided with the metal otter board that supports protection
9.In the present embodiment, be additionally provided with holding tank 4 for monitoring the temperature sensor of liquid thermal conductivity media temperature, heater then with
The heater control element control connection of heater button action can be controlled according to the monitoring result of temperature sensor.So, pass through
Temperature sensor and the cooperation of heater control element so that the temperature of the liquid thermal conductivity media in whole holding tank 4 may be at
In set point, approximately constant temperature is formed.
In addition, damage to gas cylinder 3 to prevent liquid thermal conductivity media temperature too low, be provided with holding tank 4 for
In the outlet that liquid thermal conductivity media is drained.
In the present embodiment, the inner chamber of holding tank 4 is larger, and multiple gas cylinders so can be placed in holding tank, holding tank 4
Gas cylinder righting framework 41 is installed with opening, multiple frame mouths 42 on gas cylinder righting framework 41, are disposed with, gas cylinder 3 is being put into into receiving
After in groove 4,3 bottom of gas cylinder supports the bottom land for being placed on holding tank 4, and 3 top of gas cylinder is then by the frame mouth 42 of gas cylinder righting framework 41
Righting is positioned.Multiple gas cylinders 3 in the present embodiment are in two row arranged for interval, are disposed with described between the interval of two row gas cylinders 3
For the heater strip 8 that heated to the liquid thermal conductivity media in holding tank.To improve charging efficiency, in the present embodiment,
Gas with from the gas-collecting structure 5 to high-tension switch gear central gas supply to high-tension switch gear 1 is connected by the gas outlet of each gas cylinder 3
Room is supplied, gas-collecting structure 5 include main pipeline 51 with for connect main pipeline 51 and correspondence gas cylinder branch pipe(tube) 43, herein
Branch pipe(tube) 43 include positioned at two ends the Hard link pipeline section for connecting with the gas outlet of main pipeline 51 and gas cylinder 3 respectively and bridge at two
The pipeline section that is flexible coupling between Hard link pipeline section, so facilitates implementation the connection corresponding with gas cylinder 3 of main pipeline 51, sets on main pipeline 51
There is the gas outlet connected for the air chamber with high-tension switch gear, each branch pipe(tube) 43 is provided with for controlling correspondence branch pipe(tube) break-make
Branch road air valve 52, the branch road air valve 52 specifically may be provided at the Hard link pipeline section of one end end being connected with gas cylinder of branch pipe(tube)
On.
In the present embodiment, aerating device is also included for connecting gas outlet and the high-tension switch gear 1 of the main pipeline 51
Air chamber gas distribution channel 7, gas distribution channel 7 is provided with the pressure detection structure that can be monitored to the gas atmosphere in passage 7
6, pressure detection structure 6 herein includes being arranged on gas distribution channel 7 with the electromagnetic valve 65 of control gas distribution channel break-make, also includes
Threeway 65, the first joint of threeway is connected with electromagnetic valve 65, the second joint is connected with pressure detecting and alarm device the 61, the 3rd connects
Head is connected with manual switch valve 64, and pressure detecting and alarm device 61 herein are included for detecting gas pressure in gas distribution channel
Pressure transducer and the alarm for setting value alarm is reached in the measurement result of pressure transducer, electromagnetic valve herein
65 are connected with the Air Valve Control element control that can control electromagnetic valve switch action according to the testing result of pressure transducer, herein
After the alarm sends alarm signal, gas distribution channel 7 is closed in control to manual switch valve 64 manually.In addition, in gas distribution channel 7
End junction be additionally provided with filter 62 with to filtering into the gas in high-tension switch gear 1.
In the present embodiment, as in holding tank 4,3 quantity of open ended gas cylinder is more, for ease of transporting gas cylinder, in holding tank
4 are provided with the hoisting structure 2 for the lifting transhipment gas cylinder 3 in holding tank 4, and hoisting structure 2 includes being fixed on holding tank 4
Firm banking 24, on firm banking 24, hinge mounted has support underframe 25, and support underframe 25 is propped up by supporting side lever 23 to support positioning
One end of support side lever 23 is hinged with support underframe 25, and the other end is then matched somebody with somebody by bearing pin is dismantled and assembled with firm banking 24, in support-side
The bearing pin mounting hole matched somebody with somebody dismantled and assembled with bearing pin is respectively equipped with bar 23 and firm banking 24.Around vertically prolonging on support underframe 25
The center of rotation axis stretched is rotatably equipped with mast-up 21, and mast-up 21 is provided with the walking track for extending transversely, rail of walking
Movement on road is equipped with the electric block 22 for handling gas cylinder.
During use, by connection gas distribution channel 7 corresponding with the air chamber of high-tension switch gear 1, and hoisting structure 2 is used by gas cylinder
3 liftings are transported in holding tank 4, and gas cylinder 3 is immersed in the water, and gas cylinder 3 is connected with corresponding branch pipe(tube) 53, branch road is opened
Air valve 52, is inflated from gas collecting apparatus 5 to the air chamber of high-tension switch gear 1, with SF6The gasification of gas, in holding tank 4
Water temperature gradually will lower, and when water temperature is reduced to setting value, heater control element is controlled according to the monitoring result of temperature sensor
Heater works, and heater is heated automatically, it is ensured that water temperature is in the range of setting.When air chamber pressure reaches setting value for the first time
When, air pressure control element controls electromagnetic valve 66 according to the testing result of pressure transducer and closes, and gas distribution channel 7 disconnects, and inflation stops
Only, after gas indoor gas are static, air pressure falls after rise, and air pressure control element will control electromagnetism according to the testing result of pressure transducer
Valve 66 is opened, and continuation is inflated to air chamber, and after air chamber pressure reaches setting value again, electromagnetic valve 66 is again switched off, such as
If the static rear air pressure of fruit gas indoor gas does not fall after rise, inflation terminates, and alarm sends alarm signal, and operator close handss
Dynamic switch valve 64.If the static rear pressure of air chamber gas continues to fall after rise, then electromagnetic valve 66 will be again turned on continuing inflation, directly
Setting value is reached in resting state to air chamber pressure.
And when in the pressure gauge display bottle on gas cylinder 3, gas is not enough, then on closing gas-collecting structure 5 on correspondence branch pipe(tube)
Air valve, changes gas cylinder using hoisting structure 2, then proceedes to inflation.And when water temperature is below the freezing point, to prevent gas cylinder is caused to damage
Evil, the water in holding tank 4 is drained.
When aerating device is transported, bearing pin is extracted, support underframe and mast-up can be fallen, treat that aerating device is transported
After in place, then support underframe and mast-up are holded up.
The aerating device provided by the present embodiment, can make appearance using temperature sensor, heater and heater control element
Groove of receiving forms thermostatic water bath, and constant water temperature can ensure that the gas in gas cylinder is in steady statue, can effectively ensure that inflation speed
That what is spent stablizes.
In the present embodiment, temperature sensor is placed with holding tank, in other embodiments, it is also possible to save temperature sensing
Device, and heated by heater is manually controlled.
In the present embodiment, when needing single air chamber to be inflated by multiple gas cylinders, can adopt gas-collecting structure, at which
In his embodiment, if only accommodating single air cylinder in holding tank, it is also possible to save gas-collecting structure.
In the present embodiment, mast-up rolling assembling on support underframe, in other embodiments, it is also possible to which mast-up is straight
Switch through dynamic being assemblied on handbarrow platform or holding tank.
In the present embodiment, gas-collecting structure can be entirely disposed in outside holding tank, it is also possible to have shell and inner bag shape in holding tank
Into installation cavity when, part gas-collecting structure is arranged in the installation cavity of holding tank, save installing space.
Claims (9)
1. high-tension switch gear aerating device, it is characterised in that：Including for containing the holding tank of liquid thermal conductivity media, accommodate
Air feed bottle is provided with the top of groove into holding tank with the opening immersed in liquid thermal conductivity media, is provided with for liquid in holding tank
The heater heated by heat-conducting medium, described aerating device are also included for plural gas is placed with holding tank
The gas outlet of each gas cylinder is connected with the gas-collecting structure to high-tension switch gear central gas supply during bottle, gas-collecting structure includes main pipeline
With for connecting the branch pipe(tube) of main pipeline and correspondence gas cylinder, main pipeline is provided with what is connected for the air chamber with high-tension switch gear
Gas outlet.
2. high-tension switch gear aerating device according to claim 1, it is characterised in that：It is provided with described holding tank
For monitoring the temperature sensor of liquid thermal conductivity media temperature, the heater with can be according to the monitoring result control of temperature sensor
The heater control element control connection of heater button action processed.
3. high-tension switch gear aerating device according to claim 1, it is characterised in that：Described aerating device includes
For detecting the pressure transducer of the air chamber air pressure of high-tension switch gear, the aerating device is also included for connecting the supervisor
The gas outlet in road and the gas distribution channel of the air chamber of high-tension switch gear, gas distribution channel are provided with electromagnetic valve, electromagnetic valve with can basis
The Air Valve Control element control connection of the testing result control electromagnetic valve switch action of pressure transducer.
4. high-tension switch gear aerating device according to claim 3, it is characterised in that：Described aerating device is also wrapped
Include for reaching the alarm of setting value alarm in the measurement result of pressure transducer, the gas distribution channel be provided with for
The alarm cuts out the manual switch valve of gas distribution channel after sending alarm signal.
5. high-tension switch gear aerating device according to claim 1, it is characterised in that：Described gas-collecting structure it is each
The branch road air valve of control branch pipe(tube) break-make is respectively equipped with branch pipe(tube).
6. high-tension switch gear aerating device according to claim 1, it is characterised in that：Also set on described holding tank
There is the hoisting structure for the lifting transhipment gas cylinder in holding tank, hoisting structure includes can be around vertically extending rotary middle spindle
The mast-up that line is rotated, mast-up are provided with the walking track for extending transversely, and movement on walking track is equipped with for handling
The electric block of gas cylinder.
7. high-tension switch gear aerating device according to claim 6, it is characterised in that：Described hoisting structure is also wrapped
Include the support underframe of the firm banking, hinge mounted that are fixed on holding tank on firm banking and for supporting described of positioning
The support side lever of support underframe, described mast-up rotational support are assemblied on the support underframe, are supported one end of side lever and are propped up
Support side lever is hinged, the other end is then matched somebody with somebody by bearing pin is dismantled and assembled with firm banking, is respectively equipped with side lever and firm banking is supported
The bearing pin mounting hole matched somebody with somebody dismantled and assembled with the bearing pin.
8. high-tension switch gear aerating device according to claim 1 and 2, it is characterised in that：On described holding tank
It is provided with the outlet for liquid thermal conductivity media is drained.
9. high-tension switch gear aerating device according to claim 1 and 2, it is characterised in that：The heater plus
Thermal element is the heater strip being arranged in holding tank inner chamber, and the metal otter board protected to which is provided with heater strip side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663896.1A CN104390134B (en) | 2014-11-20 | 2014-11-20 | Inflating device for high-pressure switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663896.1A CN104390134B (en) | 2014-11-20 | 2014-11-20 | Inflating device for high-pressure switch equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104390134A CN104390134A (en) | 2015-03-04 |
| CN104390134B true CN104390134B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410663896.1A Active CN104390134B (en) | 2014-11-20 | 2014-11-20 | Inflating device for high-pressure switch equipment |
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| CN (1) | CN104390134B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107255220A (en) * | 2017-05-10 | 2017-10-17 | 浙江电力建设监理有限公司 | A kind of extremely frigid zones ultra-high voltage converter station SF6 is even filled and put and method for heating and controlling |
| CN107481884B (en) * | 2017-10-09 | 2020-04-10 | 重庆渝能滤油机制造有限公司 | Sulfur hexafluoride gas phase evaporator |
| CN108194827B (en) * | 2018-02-12 | 2023-09-15 | 国家电网公司 | Insulating gas treatment device and control method thereof |
| CN109373180B (en) * | 2018-11-07 | 2021-03-30 | 远军热能动力科技有限公司 | Explosion-proof aerating device |
| CN113513699A (en) * | 2021-06-30 | 2021-10-19 | 广东电网能源发展有限公司 | Gas storage device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2238893A1 (en) * | 1973-07-27 | 1975-02-21 | Utilisation Ration Gaz | Liquified gas tank filling equipment - has differential pressure monitor connected to tank top and bottom |
| JP2001012692A (en) * | 1999-06-24 | 2001-01-16 | Yazaki Corp | Liquefied gas evaporating device |
| CN1237638C (en) * | 2001-08-16 | 2006-01-18 | 亚太燃料电池科技股份有限公司 | Hydrogen source supply device |
| CN202369639U (en) * | 2011-12-06 | 2012-08-08 | 刘汝强 | Water bath heating device for gas storage tank for chemical vapor deposition |
| CN204328465U (en) * | 2014-11-20 | 2015-05-13 | 河南平高电气股份有限公司 | A kind of high-tension switch gear inflator |
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