CN217843482U - Sulfur hexafluoride rapid inflation equipment - Google Patents
Sulfur hexafluoride rapid inflation equipment Download PDFInfo
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- CN217843482U CN217843482U CN202220065544.6U CN202220065544U CN217843482U CN 217843482 U CN217843482 U CN 217843482U CN 202220065544 U CN202220065544 U CN 202220065544U CN 217843482 U CN217843482 U CN 217843482U
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Abstract
The utility model provides a sulfur hexafluoride quick inflation equipment, sulfur hexafluoride quick inflation equipment is including giving vent to anger unit, vaporizer, pressure regulating heat transfer unit and filtration purification unit, the unit of giving vent to anger includes the sulfur hexafluoride source, the vaporizer is located give vent to anger and be linked together after the unit for heat the vaporization to the sulfur hexafluoride, pressure regulating heat transfer unit is including being used for carrying out the air-vent valve that steps down to the sulfur hexafluoride gas and being used for carrying out the heat exchanger that heaies up to the sulfur hexafluoride gas after the step down, the filtration purification unit is located behind the pressure regulating heat transfer unit for carry out filtration treatment to the sulfur hexafluoride gas. The utility model provides a sulfur hexafluoride quick inflation equipment has solved and has caused the stifled problem of pipeline ice easily when aerifing sulfur hexafluoride electrical equipment.
Description
Technical Field
The utility model belongs to the technical field of the sulfur hexafluoride is aerifyd, concretely relates to sulfur hexafluoride quick inflation equipment.
Background
Sulfur hexafluoride is used as a good gas insulator, is mainly used for arc extinction in high-voltage switches, is used as an insulating material in high-capacity transformers and high-voltage cables, has good chemical stability and does not corrode equipment. After the sulfur hexafluoride electrical equipment is overhauled, pure sulfur hexafluoride gas needs to be filled into the sulfur hexafluoride electrical equipment.
At present, when sulfur hexafluoride gas is filled into sulfur hexafluoride electrical equipment, a large amount of heat needs to be absorbed due to vaporization of liquid sulfur hexafluoride, and the phenomenon of ice blockage of a pipeline can be caused during gas filling. The common solution is to heat the steel cylinder, and vaporize the sulfur hexafluoride in the steel cylinder by heating, but the heating speed is slow, the time consumed for charging is long, and the potential safety hazard exists in the direct heating of the steel cylinder.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a sulfur hexafluoride quick inflation equipment aims at solving when aerifing sulfur hexafluoride electrical equipment, causes the stifled problem of pipeline ice easily.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a sulfur hexafluoride rapid inflation equipment, includes: the air outlet unit comprises a sulfur hexafluoride source;
the vaporizer is positioned behind the gas outlet unit along the flow direction of the sulfur hexafluoride gas, is communicated with the gas outlet unit and is used for heating and vaporizing the sulfur hexafluoride;
the pressure regulating and heat exchanging unit comprises a pressure regulating valve and a heat exchanger, wherein the pressure regulating valve is used for reducing the pressure of the sulfur hexafluoride gas, and the heat exchanger is used for heating the reduced pressure sulfur hexafluoride gas; the pressure regulating valve and the heat exchanger are sequentially connected in series along the flowing direction of sulfur hexafluoride gas;
and the filtering and purifying unit is positioned behind the pressure-regulating heat exchange unit along the flowing direction of the sulfur hexafluoride gas, is used for filtering the sulfur hexafluoride gas and is filled into the electrical equipment.
As a possible implementation manner, the gas outlet unit further includes a first gas outlet branch and a second gas outlet branch which are arranged in parallel, the first gas outlet branch includes a first gas outlet pipeline communicated with a gas outlet end of the sulfur hexafluoride source, and a first switch valve which is installed on the first gas outlet pipeline and controls on-off of the first gas outlet pipeline; the second gas outlet branch comprises a second gas outlet pipeline communicated with a gas outlet end of the sulfur hexafluoride source head, a second switch valve arranged on the second gas outlet pipeline and used for controlling the second gas outlet pipeline to be switched on and switched off, and a compressor arranged on the second gas outlet pipeline and used for extracting sulfur hexafluoride in the sulfur hexafluoride source head.
As a possible implementation manner, the vaporizer includes a housing, a first heating rod disposed in the housing to heat the sulfur hexafluoride, and a spiral pipeline for conveying the sulfur hexafluoride, the spiral pipeline being wound around the first heating rod and communicating with the gas outlet unit.
As a possible implementation manner, the sulfur hexafluoride rapid inflation device further comprises a controller, the vaporizer is further provided with a first temperature sensor capable of detecting the temperature in the shell, and the first temperature sensor is connected with the controller so as to control the start and stop of the first heating rod.
As a possible implementation manner, the pressure-regulating heat exchange unit further comprises a fourth switch valve arranged at the output end of the heat exchanger to control the on-off of the heat exchanger; the heat exchanger comprises a heat exchange shell, a coiled pipe which is arranged in the heat exchange shell and used for conveying sulfur hexafluoride and a hot water pipeline which is used for supplying hot water to the heat exchange shell; the coiled pipe is communicated with the pressure regulating valve.
As a possible implementation manner, the hot water pipeline includes a hot water tank, a second heating rod installed in the hot water tank and used for heating water in the hot water tank, and a circulating water pump, where the circulating water pump, the hot water tank, and the heat exchange housing form a circulating hot water loop.
As a possible implementation manner, the sulfur hexafluoride rapid inflation device further comprises a refilling port, and a mass flow meter is arranged between the refilling port and the filtering and purifying unit so as to detect the flow speed and the flow rate of sulfur hexafluoride gas during inflation.
The utility model provides a sulfur hexafluoride rapid inflation equipment compares with prior art, makes its vaporization through setting up vaporizer heating liquefaction sulfur hexafluoride, and sulfur hexafluoride after the vaporization circulates in the pipeline and carries out pressure control through the air-vent valve, with sulfur hexafluoride gas temperature control at the room temperature in the heat exchanger. The problem that the pipeline is frozen and blocked when the electrical equipment is filled with sulfur hexafluoride gas is effectively solved.
Drawings
Fig. 1 is a flow chart of a sulfur hexafluoride rapid inflation device provided by an embodiment of the present invention.
In the figure: 100. an air outlet unit; 110. a steel cylinder; 120. a first on-off valve; 130. a compressor; 140. a first pressure sensor; 150. a second on-off valve; 160. a third on-off valve; 200. a vaporizer; 210. a housing; 220. a first heating rod; 230. a first temperature sensor; 240. an inlet; 250. an outlet; 300. a pressure regulating heat exchange unit; 310. a pressure regulating valve; 320. a heat exchanger; 330. a hot water tank; 331. a second heating rod; 340. a circulating water pump; 350. a second pressure sensor; 360. a second temperature sensor; 370. a fourth switching valve; 400. a filtration and purification unit; 410. a filtration purifier; 420. a third pressure sensor; 430. a third temperature sensor; 440. a mass flow meter; 450. and (4) a back filling port.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "length," "width," "height," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," "tail," and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In addition, the meaning of "a plurality" or "a number" is two or more unless specifically limited otherwise.
Referring to fig. 1, an embodiment of the sulfur hexafluoride rapid inflation apparatus provided by the present invention will now be described. The sulfur hexafluoride quick inflation equipment is used for quickly filling sulfur hexafluoride to sulfur hexafluoride electrical equipment. The embodiment of the utility model provides a sulfur hexafluoride quick inflation equipment includes the unit of giving vent to anger 100, vaporizer 200, pressure regulating heat transfer unit 300, filtration purification unit 400.
The gas outlet unit 100 comprises a sulfur hexafluoride source, specifically a steel cylinder 110 containing sulfur hexafluoride, the steel cylinder 110 can be turned upside down, when the gas is not filled, the steel cylinder 110 is upright, and when the gas is filled, the steel cylinder 110 is upside down, so that the sulfur hexafluoride can conveniently flow into a pipeline.
The vaporizer 200 is located behind the gas outlet unit 100 along the flow direction of the sulfur hexafluoride gas, and is communicated with the gas outlet unit 100 to heat and vaporize the sulfur hexafluoride.
The pressure regulating and heat exchanging unit 300 comprises a pressure regulating valve 310 for reducing the pressure of the sulfur hexafluoride gas and a heat exchanger 320 for heating the sulfur hexafluoride gas after the pressure reduction, the vaporizer 200 vaporizes the sulfur hexafluoride gas, the temperature of the sulfur hexafluoride gas is reduced after the sulfur hexafluoride gas passes through the pressure regulating valve 310, the pressure of the sulfur hexafluoride gas is kept within a stable range, the sulfur hexafluoride gas passes through the heat exchanger 320 for heat exchange, the temperature of the sulfur hexafluoride gas is kept at room temperature, the pressure regulating valve 310 and the heat exchanger 320 are sequentially connected in series along the flowing direction of the sulfur hexafluoride gas, and the pressure regulating valve 310 and the heat exchanger 320 are connected together through a pipeline.
The filtering and purifying unit 400 is located behind the pressure-regulating heat exchange unit 300 along the flowing direction of the sulfur hexafluoride gas, and is used for filtering the sulfur hexafluoride gas and charging the sulfur hexafluoride gas into the electrical equipment, and the filtering and purifying unit 400 ensures that the quality of the sulfur hexafluoride gas charged into the electrical equipment is qualified.
The utility model provides a sulfur hexafluoride rapid inflation equipment compares with prior art, makes its vaporization through setting up vaporizer heating liquefaction sulfur hexafluoride, and sulfur hexafluoride after the vaporization circulates in the pipeline and carries out pressure control through the air-vent valve, with sulfur hexafluoride gas temperature control at the room temperature in the heat exchanger. The problem that the pipeline is frozen and blocked when the electrical equipment is filled with sulfur hexafluoride gas is effectively solved.
In some embodiments, referring to fig. 1, the gas outlet unit 100 further includes a first gas outlet branch and a second gas outlet branch, which are connected in parallel, where the first gas outlet branch includes a first gas outlet pipeline communicated with a gas outlet end of the sulfur hexafluoride source and a first switch valve 120 installed on the first gas outlet pipeline and controlling the first gas outlet pipeline to be turned on or off, and the second gas outlet branch includes a second gas outlet pipeline communicated with the gas outlet end of the sulfur hexafluoride source, a second switch valve 150 installed on the second gas outlet pipeline and controlling the second gas outlet pipeline to be turned on or off, and a compressor 130 installed on the second gas outlet pipeline and used for extracting sulfur hexafluoride in the sulfur hexafluoride source.
When the steel cylinder 110 containing sulfur hexafluoride starts to charge, the steel cylinder 110 is in a turnover inclination state, at this time, the pressure in the steel cylinder 110 is sufficient, the second gas outlet branch is in a closed state, the first switch valve 120 on the first gas outlet pipeline is opened (the first switch valve 120 may be a mechanical switch valve or an electromagnetic switch valve, and a controller is provided if the electromagnetic switch valve is selected), that is, the first gas outlet branch is opened, so that sulfur hexafluoride enters the next unit, after a period of time, the pressure in the steel cylinder 110 is insufficient, the first gas outlet branch is closed, the second gas outlet branch is opened, that is, the first switch valve 120 is closed, the second switch valve 150 and the compressor 130 are opened, the compressor 130 extracts the sulfur hexafluoride in the steel cylinder 110, and the third switch valve 160 is provided at the gas outlet end of the compressor 130, so that the sulfur hexafluoride coming out of the compressor 130 is controlled to enter the next unit.
In some embodiments, referring to fig. 1, the gas outlet cell 100 further includes a first pressure sensor 140 for detecting a pressure value of the gas in the gas outlet cell 100, and selectively opening the first gas outlet branch or the second gas outlet branch according to a value provided by the first pressure sensor 140.
In some embodiments, referring to fig. 1, the vaporizer 200 includes a housing 210, a first heating rod 220 disposed in the housing 210 to heat the sulfur hexafluoride, and a spiral pipe for transporting the sulfur hexafluoride, the spiral pipe being wound around the first heating rod 220 and communicating with the gas outlet unit 100.
The shell 210 is also filled with a heat-conducting medium, the shell 210 is also provided with an inlet 240 for injecting the heat-conducting medium and an outlet 250 for discharging the heat-conducting medium, and sulfur hexafluoride in the spiral pipeline is fully vaporized.
In some embodiments, please refer to fig. 1, the sulfur hexafluoride fast aeration apparatus provided in the embodiments of the present invention further includes a controller, the vaporizer 200 is further provided with a first temperature sensor 230 capable of detecting the temperature inside the housing 210, and the first temperature sensor 230 is connected to the controller to control the start and stop of the first heating rod 220.
The first heating rod 220 is started to provide heat for the vaporizer 200, the temperature inside the shell 210 is monitored through the first temperature sensor 230, and when the first temperature sensor 230 detects that the temperature inside the vaporizer 200 is no longer within a set value range, the start and stop of the first heating rod 220 are controlled in a feedback mode according to the detected temperature value.
In some embodiments, referring to fig. 1, the pressure-regulating heat exchange unit 300 further includes a fourth switching valve 370 disposed at an output end of the heat exchanger 320 to control on/off of the heat exchanger 320. The heat exchanger 320 comprises a heat exchange shell, a coiled pipe arranged in the heat exchange shell and used for conveying sulfur hexafluoride, and a hot water pipeline used for supplying hot water to the heat exchange shell, wherein the coiled pipe is communicated with the pressure regulating valve 310.
After passing through the pressure regulating valve 310, the sulfur hexafluoride enters the heat exchanger 320 for heat exchange, the serpentine pipe and the hot water pipeline are not communicated with each other and only carry out heat exchange, and the flow direction of the sulfur hexafluoride in the serpentine pipe is opposite to the flow direction of the hot water in the hot water pipeline, so that the heat exchange of the sulfur hexafluoride is more sufficient.
In some embodiments, referring to fig. 1, the pressure-regulating heat exchange unit 300 further includes a second pressure sensor 350 and a second temperature sensor 360, and of course, the second pressure sensor 350 and the second temperature sensor 360 need to be connected to a controller respectively, and the controller selectively opens the fourth switch valve 370 according to values fed back by the second pressure sensor 350 and the second temperature sensor 360. The second pressure sensor 350 detects a pressure value, and when the pressure value detected by the second pressure sensor 350 reaches a set pressure, the fourth switching valve is opened, and the fourth switching valve 370 may be manually opened by a mechanical valve or opened and closed by a solenoid valve through a controller. The second temperature sensor 360 detects the temperature of the sulfur hexafluoride gas flowing out of the vaporizer 200.
In some embodiments, referring to fig. 1, the hot water pipeline includes a hot water tank 330, a second heating rod 331 installed in the hot water tank 330 for heating water in the hot water tank 330, and a circulating water pump 340, and the circulating water pump 340, the hot water tank 330 and the heat exchange housing form a circulating hot water loop. The circulating water pump 340, the hot water tank 330 and the heat exchange housing are connected through pipes.
The hot water tank 330 is also provided with a fourth temperature sensor and a liquid level meter, and the fourth temperature sensor is connected with the controller. The level gauge detects the amount of water in the hot water tank 330, the numerical value detected by the fourth temperature sensor is fed back to the controller to control the start and stop of the second heating rod 331, when the temperature is low, the second heating rod 331 is started, and when the temperature reaches a required numerical value, the circulating water pump 340 works to drive the hot water to flow in the pipeline.
In some embodiments, referring to fig. 1, the filtration purification unit 400 further includes a third pressure sensor 420 and a third temperature sensor 430, wherein the third pressure sensor 420 is used for detecting the pressure at the gas outlet, and the third temperature sensor 420 is used for detecting the temperature of the gas at the gas outlet.
In some embodiments, please refer to fig. 1, the sulfur hexafluoride fast inflation device provided in the embodiments of the present invention further includes a back-filling opening 450, and a mass flow meter 440 is disposed between the back-filling opening 450 and the filtering and purifying unit 400 to detect the flow rate of sulfur hexafluoride gas and the flow rate of the sulfur hexafluoride gas during inflation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. Sulfur hexafluoride rapid aeration equipment, its characterized in that includes:
the air outlet unit comprises a sulfur hexafluoride source;
the vaporizer is positioned behind the gas outlet unit along the flow direction of the sulfur hexafluoride gas, communicated with the gas outlet unit and used for heating and vaporizing the sulfur hexafluoride;
the pressure regulating and heat exchanging unit comprises a pressure regulating valve and a heat exchanger, wherein the pressure regulating valve is used for reducing the pressure of the sulfur hexafluoride gas, and the heat exchanger is used for heating the reduced sulfur hexafluoride gas; the pressure regulating valve and the heat exchanger are sequentially connected in series along the flowing direction of sulfur hexafluoride gas;
and the filtering and purifying unit is positioned behind the pressure-regulating heat exchange unit along the flowing direction of the sulfur hexafluoride gas, is used for filtering the sulfur hexafluoride gas and is filled into the electrical equipment.
2. The sulfur hexafluoride fast inflation device according to claim 1, wherein the gas outlet unit further comprises a first gas outlet branch and a second gas outlet branch which are arranged in parallel, the first gas outlet branch comprises a first gas outlet pipeline communicated with a gas outlet end of the sulfur hexafluoride source, and a first switch valve is mounted on the first gas outlet pipeline and controls the first gas outlet pipeline to be switched on and off; the second gas outlet branch comprises a second gas outlet pipeline communicated with a gas outlet end of the sulfur hexafluoride source head, a second switch valve arranged on the second gas outlet pipeline and used for controlling the second gas outlet pipeline to be switched on and switched off, and a compressor arranged on the second gas outlet pipeline and used for extracting sulfur hexafluoride in the sulfur hexafluoride source head.
3. The sulfur hexafluoride fast gas filling device of claim 1, wherein the vaporizer includes a housing, a first heating rod disposed in the housing to heat the sulfur hexafluoride, and a spiral duct for transporting the sulfur hexafluoride, the spiral duct being wound around a periphery of the first heating rod and being in communication with the gas outlet unit.
4. The sulfur hexafluoride fast gas filling device as claimed in claim 3, wherein said sulfur hexafluoride fast gas filling device further includes a controller, said vaporizer further includes a first temperature sensor for detecting a temperature within said housing, said first temperature sensor being connected to said controller for controlling the start and stop of said first heating rod.
5. The sulfur hexafluoride fast gas filling device as claimed in claim 1, wherein the pressure regulating heat exchange unit further comprises a fourth switch valve arranged at an output end of the heat exchanger to control on and off of the heat exchanger; the heat exchanger comprises a heat exchange shell, a coiled pipe which is arranged in the heat exchange shell and used for conveying sulfur hexafluoride and a hot water pipeline which is used for supplying hot water to the heat exchange shell; the coiled pipe is communicated with the pressure regulating valve.
6. The sulfur hexafluoride fast aeration device of claim 5, wherein said hot water line includes a hot water tank, a second heater rod mounted in said hot water tank for heating water in said hot water tank, and a circulating water pump, said hot water tank, and said heat exchange housing forming a circulating hot water circuit.
7. The sulfur hexafluoride fast gas filling apparatus as claimed in any one of claims 1 to 6, wherein said sulfur hexafluoride fast gas filling apparatus further includes a back filling port, and a mass flow meter is provided between said back filling port and said filtering and purifying unit to detect the flow rate and flow rate of sulfur hexafluoride gas during gas filling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220065544.6U CN217843482U (en) | 2022-01-11 | 2022-01-11 | Sulfur hexafluoride rapid inflation equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220065544.6U CN217843482U (en) | 2022-01-11 | 2022-01-11 | Sulfur hexafluoride rapid inflation equipment |
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| CN217843482U true CN217843482U (en) | 2022-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221620A (en) * | 2022-12-28 | 2023-06-06 | 江苏省送变电有限公司 | Sulfur hexafluoride rapid gasification system and control method thereof |
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2022
- 2022-01-11 CN CN202220065544.6U patent/CN217843482U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221620A (en) * | 2022-12-28 | 2023-06-06 | 江苏省送变电有限公司 | Sulfur hexafluoride rapid gasification system and control method thereof |
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