CN107442029A - A kind of sulfur hexafluoride gas mixing device applied to electrical equipment - Google Patents
A kind of sulfur hexafluoride gas mixing device applied to electrical equipment Download PDFInfo
- Publication number
- CN107442029A CN107442029A CN201710797087.3A CN201710797087A CN107442029A CN 107442029 A CN107442029 A CN 107442029A CN 201710797087 A CN201710797087 A CN 201710797087A CN 107442029 A CN107442029 A CN 107442029A
- Authority
- CN
- China
- Prior art keywords
- gas
- rotating shaft
- sulfur hexafluoride
- electrical equipment
- air cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/80—After-treatment of the mixture
- B01F23/802—Cooling the mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/80—After-treatment of the mixture
- B01F23/804—Drying the mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/834—Mixing in several steps, e.g. successive steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8364—Mixing plants; Combinations of mixers combining mixing with other treatments with drying
Abstract
A kind of sulfur hexafluoride gas mixing device applied to electrical equipment, it is related to electrical equipment and mixes gas technical field with gas.The present invention is to solve the problems, such as that it is uneven that existing mixing chamber mixes gas.A kind of sulfur hexafluoride gas mixing device applied to electrical equipment of the present invention, driven pulley is fixed in rotating shaft, one end of rotating shaft is connected with sulfur hexafluoride source of the gas and mixing source of the gas simultaneously, the other end of rotating shaft is stretched into inside mixed air cavity, multiple fans are respectively positioned on inside mixed air cavity, multiple fans are socketed in rotating shaft, and multiple fans inside rotating shaft with being connected, motor is used to drive driving wheel to rotate, driving wheel is intermeshed with driven pulley, mixed air cavity is connected with liquefied room, and liquefied room is connected with cushion chamber, and water entry is between liquefied room and cushion chamber.The present invention is applied to the mixed gas technical field of electrical equipment gas.
Description
Technical field
The invention belongs to electrical equipment gas technical field is mixed with gas.
Background technology
SF6 (sulfur hexafluoride) gas is mainly used in power industry.SF6 gases are used for the electrical equipment conduct of 4 types
Insulation and/or arc extinguishing；SF6 breakers and GIS, SF6 load switch equipment, SF6 insulated power pipelines, SF6 transformers and SF6 are exhausted
Edge transformer station.
In some cold districts of China, reachable -40 DEG C even -50 DEG C of winter outdoor temperature.Under this cryogenic conditions, six
Sulfur fluoride electrical equipment often causes pressure to reduce because SF6 gases produce liquefaction, when being down to locking pressure value, SF6 electrical equipments
It can not run, the power failure of large area can be even caused when serious.To solve in the sulfur hexafluoride electrical equipment of north cold area
It is the problem of SF6 low-temperature gas liquefactions, general to consider that mixing other not liquescent gases with SF6 replaces pure SF6 gases, such as nitrogen
Gas, carbon tetrafluoride or air mix with SF6.
Patent application CN104132237B discloses a kind of mix insulation gas low temperature making-up air device, and the device is additionally arranged
SF6 tonifying Qi gas circuit, other gas tonifying Qi gas circuit, carbo-charger, surge tank, vavuum pump, compressor, electromagnetic flow valve and magnetic valves,
Wherein carbo-charger uses the helix tube with isolation baffle plate, has 2 output ends, and an output end connects air through the first control valve,
Another output end connects sulfur hexafluoride electrical equipment through the second control valve, surge tank, electromagnetic flow valve and the 3rd control valve successively,
The output end of electromagnetic flow valve also connects fluid reservoir through the 4th control valve respectively, connects fluid reservoir through compressor and magnetic valve successively, mixes
The input of gas device connects SF6 gas cylinders through SF6 tonifying Qi gas circuit respectively, connects the first gas cylinder, SF6 gas through other gas tonifying Qi gas circuits
The inlet end of the outlet side and carbo-charger of bottle and the first gas cylinder connects air through vavuum pump.SF6 tonifying Qi gas circuit and other gases
Mass flow controller is equipped with tonifying Qi gas circuit, the stream of SF6 gases and other gases is accurately controlled by mass flow controller
Amount, can be pressurizeed while distribution using pressue device to the mixed gas of preparation, realize two kinds of gas Quick-pressings point
Stream mixing, air rate is accurately reliable, facilitates fast aeration or the tonifying Qi of Mixed gas insulation electrical equipment.
But in said apparatus, mixed gas is carried out only with mixing chamber in air mixing process, but existing mixing chamber obtains
Mixed gas often there is the problem of mixed gas is uneven, cause to appoint in follow-up use and so problem be present.
The content of the invention
The present invention is to solve the problems, such as that existing mixing chamber mixes that gas is uneven, is now provided a kind of applied to electrical equipment
Sulfur hexafluoride gas mixing device.
A kind of sulfur hexafluoride gas mixing device applied to electrical equipment, it is motor 1, driving wheel 2, driven pulley 4, rotating shaft 5, multiple
Fan 6, mixed air cavity 7, liquefied room 8, water accepting layer 9 and cushion chamber 10；
Rotating shaft 5 is hollow tubular structure, and driven pulley 4 is fixed in rotating shaft 5, one end of rotating shaft 5 simultaneously with sulfur hexafluoride gas
Source is connected with mixing source of the gas, and the other end of rotating shaft 5 is stretched into inside mixed air cavity 7,
Fan 6 is hollow structure, and multiple fans 6 are respectively positioned on inside mixed air cavity 7, and the center of multiple fans 6 is socketed in
In rotating shaft 5, and multiple fans 6 are connected with inside rotating shaft 5, and the blade surface of each fan 6 is equipped with multiple ventholes,
Motor 1 is used to drive driving wheel 2 to rotate, and driving wheel 2 is intermeshed with driven pulley 4,
Mixed air cavity 7 is connected with liquefied room 8 by pipeline, and liquefied room 8 is connected with cushion chamber 10, and water accepting layer 9 is located at liquid
Change in the gas circuit between room 8 and cushion chamber 10, liquefied room 8 is used to liquefy the vapor in gas after mixing, and water accepting layer 9 is used for
Liquefied water is adsorbed, cushion chamber 10 has two-way output port, and output port is connected with the inflation inlet of electrical equipment all the way, separately
Output port is connected with gas bomb all the way, and heating tube is provided with mixed air cavity 7, and heating-up temperature is 30 DEG C~35 DEG C,
Rotating shaft 5 is with sulfur hexafluoride source of the gas and rotating shaft 5 with being equipped with gas flow controller and electricity in the gas circuit for mixing source of the gas
Magnet valve,
Sulfur hexafluoride gas mixing device also includes two pressure sensors and two humidity sensors,
Two pressure sensors are respectively used to detect the pressure of the inlet and outlet of mixed air cavity 7,
Two humidity sensors are respectively used to detect the humidity in liquefied room 8 and cushion chamber 10,
The gas of the mixing source of the gas is nitrogen, carbon tetrafluoride or air.
A kind of sulfur hexafluoride gas mixing device applied to electrical equipment of the present invention, in mixed gas, not only increase wind
Fan, mixing chamber temperature is also improved, makes gas motion speed faster, mixing is evenly.Liquefied room is added simultaneously, is obtained dry
Mixed gas.The present invention is applied to the mixed gas technical field of electrical equipment gas.
Brief description of the drawings
Fig. 1 is a kind of structural representation of sulfur hexafluoride gas mixing device applied to electrical equipment of the present invention.
Embodiment
Embodiment one：Reference picture 1 illustrates present embodiment, and one kind described in present embodiment is applied to electricity
The sulfur hexafluoride gas mixing device of gas equipment, motor 1, driving wheel 2, driven pulley 4, rotating shaft 5, multiple fans 6, mixed air cavity 7, liquefied room
8th, water accepting layer 9 and cushion chamber 10；
Rotating shaft 5 is hollow tubular structure, and driven pulley 4 is fixed in rotating shaft 5, one end of rotating shaft 5 simultaneously with sulfur hexafluoride gas
Source is connected with mixing source of the gas, and the other end of rotating shaft 5 is stretched into inside mixed air cavity 7,
Fan 6 is hollow structure, and multiple fans 6 are respectively positioned on inside mixed air cavity 7, and the center of multiple fans 6 is socketed in
In rotating shaft 5, and multiple fans 6 are connected with inside rotating shaft 5, and the blade surface of each fan 6 is equipped with multiple ventholes,
Motor 1 is used to drive driving wheel 2 to rotate, and driving wheel 2 is intermeshed with driven pulley 4,
Mixed air cavity 7 is connected with liquefied room 8 by pipeline, and liquefied room 8 is connected with cushion chamber 10, and water accepting layer 9 is located at liquid
Change in the gas circuit between room 8 and cushion chamber 10, liquefied room 8 is used to liquefy the vapor in gas after mixing, and water accepting layer 9 is used for
Liquefied water is adsorbed, cushion chamber 10 has two-way output port, and output port is connected with the inflation inlet of electrical equipment all the way, separately
Output port is connected with gas bomb all the way, and heating tube is provided with mixed air cavity 7, and heating-up temperature is 30 DEG C~35 DEG C,
Rotating shaft 5 is with sulfur hexafluoride source of the gas and rotating shaft 5 with being equipped with gas flow controller and electricity in the gas circuit for mixing source of the gas
Magnet valve,
Sulfur hexafluoride gas mixing device also includes two pressure sensors and two humidity sensors,
Two pressure sensors are respectively used to detect the pressure of the inlet and outlet of mixed air cavity 7,
Two humidity sensors are respectively used to detect the humidity in liquefied room 8 and cushion chamber 10,
The gas of the mixing source of the gas is nitrogen, carbon tetrafluoride or air.
In present embodiment, sulfur hexafluoride gas and gaseous mixture flow into rotating shaft 5 manages simultaneously, in pipeline and communicate therewith
Tentatively mixed in multiple flabellums of fan 6.Then, mixed gas escapes into mixed air cavity 7 from the aperture on flabellum.Electricity
Machine 1 drives driving wheel 2 to rotate, and then drives driven pulley 4 and rotating shaft 5 to rotate, and multiple fans 6 are also carried out under the drive of rotating shaft 5
Rotary motion, the Gas Stirring inside mixed air cavity 7 is uniform.Due to being provided with heating tube in mixed air cavity 7, temperature rises high molecular fortune
Dynamic speed is accelerated, and promotes mixing more uniform.Gas after being well mixed and heating cools down into liquefied room 8, and water therein steams
Gas-liquid turns to water droplet, is adsorbed when through water accepting layer 9, is dried in cushion chamber 10 and uniform gas.
Embodiment two：Present embodiment is to be applied to electrical equipment to a kind of described in embodiment one
Sulfur hexafluoride gas mixing device is described further, and in present embodiment, it also includes three-way connection 3, and sulfur hexafluoride source of the gas goes out
The one end at gas end, the outlet side for mixing source of the gas and rotating shaft 5 is connected with three ports of three-way connection 3 respectively, rotating shaft 5 and threeway
Realized and be rotatablely connected by connector between joint 3, covered with sealant on the position that connector is in contact with rotating shaft 5.
Embodiment three：Present embodiment is to be applied to electrical equipment to a kind of described in embodiment two
Sulfur hexafluoride gas mixing device is described further, and in present embodiment, connector is bearing.
Embodiment four：Present embodiment is to be applied to electrical equipment to a kind of described in embodiment one
Sulfur hexafluoride gas mixing device is described further, and in present embodiment, the temperature of liquefied room 8 is 1 DEG C~5 DEG C.
In present embodiment, the temperature of liquefied room 8 is limited as 1 DEG C~5 DEG C, the mixed gas after heating enters liquefied room 8,
Be rapidly cooled, vapor therein can fast liquefying be water droplet.
Embodiment five：Present embodiment is to be applied to electrical equipment to a kind of described in embodiment one
Sulfur hexafluoride gas mixing device is described further, and in present embodiment, the mixed outer surface of air cavity 7 is coated with heat-insulation layer.This embodiment party
In formula, increase heat-insulation layer, prevent temperature leak.
Claims (5)
1. a kind of sulfur hexafluoride gas mixing device applied to electrical equipment, it is characterised in that motor (1), driving wheel (2), driven
Take turns (4), rotating shaft (5), multiple fans (6), mixed air cavity (7), liquefied room (8), water accepting layer (9) and cushion chamber (10)；
Rotating shaft (5) is hollow tubular structure, and driven pulley (4) is fixed in rotating shaft (5), one end of rotating shaft (5) simultaneously with it is lithium
Sulphur source of the gas is connected with mixing source of the gas, and the other end of rotating shaft (5) stretches into mixed air cavity (7) inside,
Fan (6) is hollow structure, and multiple fans (6) are respectively positioned on mixed air cavity (7) inside, and the center of multiple fans (6) covers
It is connected in rotating shaft (5), and multiple fans (6), with being connected inside rotating shaft (5), the blade surface of each fan (6) is equipped with
Multiple ventholes,
Motor (1) is used to drive driving wheel (2) to rotate, and driving wheel (2) is intermeshed with driven pulley (4),
Mixed air cavity (7) is connected with liquefied room (8) by pipeline, and liquefied room (8) is connected with cushion chamber (10), water accepting layer (9)
In gas circuit between liquefied room (8) and cushion chamber (10), liquefied room (8) is used for the vapor liquid in gas after mixing
Change, water accepting layer (9) is used to adsorb liquefied water, and cushion chamber (10) has two-way output port, and output port is with electrically setting all the way
Standby inflation inlet is connected, and another way output port is connected with gas bomb, and heating tube, heating-up temperature are provided with mixed air cavity (7)
For 30 DEG C~35 DEG C,
Rotating shaft (5) is with sulfur hexafluoride source of the gas and rotating shaft (5) with being equipped with gas flow controller and electricity in the gas circuit for mixing source of the gas
Magnet valve,
Sulfur hexafluoride gas mixing device also includes two pressure sensors and two humidity sensors,
Two pressure sensors are respectively used to detect the pressure of the inlet and outlet of mixed air cavity (7),
Two humidity sensors are respectively used to detect the humidity in liquefied room (8) and cushion chamber (10),
The gas of the mixing source of the gas is nitrogen, carbon tetrafluoride or air.
2. a kind of sulfur hexafluoride gas mixing device applied to electrical equipment according to claim 1, it is characterised in that it is also
Including three-way connection (3), one end of the outlet side of sulfur hexafluoride source of the gas, the outlet side for mixing source of the gas and rotating shaft (5) is respectively with three
Three ports of pass joint (3) are connected, and are realized and are rotatablely connected by connector between rotating shaft (5) and three-way connection (3), connection
Covered with sealant on the position that part is in contact with rotating shaft (5).
A kind of 3. sulfur hexafluoride gas mixing device applied to electrical equipment according to claim 2, it is characterised in that connection
Part is bearing.
A kind of 4. sulfur hexafluoride gas mixing device applied to electrical equipment according to claim 1, it is characterised in that liquefaction
The temperature of room (8) is 1 DEG C~5 DEG C.
A kind of 5. sulfur hexafluoride gas mixing device applied to electrical equipment according to claim 1, it is characterised in that mixed gas
Chamber (7) outer surface is coated with heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797087.3A CN107442029A (en) | 2017-09-06 | 2017-09-06 | A kind of sulfur hexafluoride gas mixing device applied to electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797087.3A CN107442029A (en) | 2017-09-06 | 2017-09-06 | A kind of sulfur hexafluoride gas mixing device applied to electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107442029A true CN107442029A (en) | 2017-12-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710797087.3A Pending CN107442029A (en) | 2017-09-06 | 2017-09-06 | A kind of sulfur hexafluoride gas mixing device applied to electrical equipment |
Country Status (1)
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| CN (1) | CN107442029A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346400A (en) * | 2019-06-18 | 2019-10-18 | 北京科技大学 | A kind of experimental rig and method for simulating Cannon burning |
| CN112180033A (en) * | 2019-07-04 | 2021-01-05 | 西安西电开关电气有限公司 | Gas mixing device and gas mixing method |
| CN112705058A (en) * | 2020-12-31 | 2021-04-27 | 湖南理工学院 | Hydrogen and natural gas mixing arrangement in pipeline |
| CN112934014A (en) * | 2021-01-30 | 2021-06-11 | 河南省奥瑞环保科技有限公司 | Multi-gas dynamic distribution control device and system |
| CN115337803A (en) * | 2022-08-29 | 2022-11-15 | 福建德尔科技股份有限公司 | Full-automatic safe fluorine/inert gas dynamic mixing system |
| CN115430302A (en) * | 2022-08-29 | 2022-12-06 | 福建德尔科技股份有限公司 | Fluorine gas safe dynamic supply device and method for fluorine/nitrogen dynamic mixing |
| CN116878741A (en) * | 2023-09-06 | 2023-10-13 | 江苏炎启自动化有限公司 | Detection device for GIS indoor gas leakage and application method thereof |
| CN117427454A (en) * | 2023-12-20 | 2024-01-23 | 沧州临港天昭电材有限公司 | Chemical VOCs waste gas condensation treatment equipment |
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| CN104132237A (en) * | 2014-08-18 | 2014-11-05 | 国家电网公司 | Low temperature mixed insulating gas supplementing device |
| CN204051468U (en) * | 2014-08-21 | 2014-12-31 | 西安瑞恒测控设备有限公司 | A kind of multistage mixing chamber |
| CN204799087U (en) * | 2015-07-08 | 2015-11-25 | 上海盛剑环境系统科技有限公司 | Gas injection device |
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| WO1992008814A2 (en) * | 1990-11-09 | 1992-05-29 | Alcan International Limited | Jet flow device for injecting gas into molten metal |
| CN104132237A (en) * | 2014-08-18 | 2014-11-05 | 国家电网公司 | Low temperature mixed insulating gas supplementing device |
| CN204051468U (en) * | 2014-08-21 | 2014-12-31 | 西安瑞恒测控设备有限公司 | A kind of multistage mixing chamber |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346400A (en) * | 2019-06-18 | 2019-10-18 | 北京科技大学 | A kind of experimental rig and method for simulating Cannon burning |
| CN112180033A (en) * | 2019-07-04 | 2021-01-05 | 西安西电开关电气有限公司 | Gas mixing device and gas mixing method |
| CN112705058A (en) * | 2020-12-31 | 2021-04-27 | 湖南理工学院 | Hydrogen and natural gas mixing arrangement in pipeline |
| CN112934014A (en) * | 2021-01-30 | 2021-06-11 | 河南省奥瑞环保科技有限公司 | Multi-gas dynamic distribution control device and system |
| CN115337803A (en) * | 2022-08-29 | 2022-11-15 | 福建德尔科技股份有限公司 | Full-automatic safe fluorine/inert gas dynamic mixing system |
| CN115430302A (en) * | 2022-08-29 | 2022-12-06 | 福建德尔科技股份有限公司 | Fluorine gas safe dynamic supply device and method for fluorine/nitrogen dynamic mixing |
| CN115430302B (en) * | 2022-08-29 | 2024-03-01 | 福建德尔科技股份有限公司 | Fluorine gas safety dynamic supply device and method for fluorine/nitrogen dynamic mixing |
| CN116878741A (en) * | 2023-09-06 | 2023-10-13 | 江苏炎启自动化有限公司 | Detection device for GIS indoor gas leakage and application method thereof |
| CN116878741B (en) * | 2023-09-06 | 2023-12-01 | 江苏炎启自动化有限公司 | Detection device for GIS indoor gas leakage and application method thereof |
| CN117427454A (en) * | 2023-12-20 | 2024-01-23 | 沧州临港天昭电材有限公司 | Chemical VOCs waste gas condensation treatment equipment |
| CN117427454B (en) * | 2023-12-20 | 2024-03-08 | 沧州临港天昭电材有限公司 | Chemical VOCs waste gas condensation treatment equipment |
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Application publication date: 20171208 |