CN104876189A - SF6 gas online purifying device of electrical SF6 circuit breaker and application method of SF6 gas online purifying device - Google Patents
SF6 gas online purifying device of electrical SF6 circuit breaker and application method of SF6 gas online purifying device Download PDFInfo
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- CN104876189A CN104876189A CN201510260337.0A CN201510260337A CN104876189A CN 104876189 A CN104876189 A CN 104876189A CN 201510260337 A CN201510260337 A CN 201510260337A CN 104876189 A CN104876189 A CN 104876189A
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- gas
- valve
- purification device
- isolating switch
- circuit breaker
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to an SF6 gas online purifying device of an electrical SF6 circuit breaker and an application method of the SF6 gas online purifying device. The SF6 gas online purifying device of the electrical SF6 circuit breaker comprises an electrical SF6 circuit breaker and an online purifying device, wherein the online purifying device comprises a vacuum pump device, an SF6 gas bottle, a variable frequency circulating pump, an SF6 gas purifying tower, a buffer tank, an air inflation pipe, an air inflation connecting pipe and an air suction pipe. The SF6 gas online purifying device of the electrical SF6 circuit breaker is characterized in that circulating SF6 gas of the SF6 circuit breaker is purified by virtue of a purifying adsorbing agent filled inside the SF6 gas purifying tower in the online purifying device, a pressure sensor is arranged for realizing full monitoring on the pressure value of the SF6 gas in the online purifying device, and operations of the variable frequency circulating pump and an air inflation electromagnetic valve in the online purifying device are controlled by virtue of a control module, so that the phenomena that pressure of the SF6 gas is overhigh or overlow and a turbulent flow and an impact are formed are avoided, insulation inside the electrical SF6 circuit breaker and arc extinguishing and cooling functions during on-off action are guaranteed, and online purifying treatment on the SF6 gas in the electrical SF6 circuit breaker without power cut is realized.
Description
Technical field
The invention belongs to electric power SF
6isolating switch SF
6gas-cleaning installation field, particularly a kind of electric power SF
6isolating switch SF
6gas in-line purification device and using method thereof.
Background technology
Now widely use conventional electric power SF
6isolating switch SF
6the method of gas sweetening process, cannot carry out in-line purification process, but will by electric power SF
6power failure of breaker is out of service, and by SF
6circuit breaker internal SF
6fill high pure nitrogen after evacuating air to preserve, the SF of extraction
6gas is evacuated to special purifying processing device and carries out purifying treatment, process qualified after, first by inflated with nitrogen preserve SF
6the emptying of isolating switch nitrogen, vacuumizes, injects SF
6rinse, then vacuumize, be filled with SF again
6rinse, then vacuumize, reinject SF
6a series of complicated processes such as gas to the repeatedly circulation of rated pressure etc. vacuumizes, insufflation gas, just can complete.
Summary of the invention
In view of this, the object of this invention is to provide a kind of electric power SF
6isolating switch SF
6gas in-line purification device and using method thereof, by SF in in-line purification device
6the purifying adsorbent of the inner splendid attire of gas purification tower is to the SF of circulation
6isolating switch SF
6gas carries out purifying treatment, realizes electric power SF
6sF in isolating switch
6gas does not have a power failure in-line purification process.
The present invention adopts following scheme to realize: a kind of electric power SF
6isolating switch SF
6gas in-line purification device, comprises electric power SF
6isolating switch and in-line purification device, described in-line purification device comprises a vacuum pump apparatus, a SF
6gas cylinder, a frequency variable circulating pump, a SF
6gas purification tower, a surge tank, gas-filled valve, inflation connecting leg and extraction pipe; Described vacuum pump apparatus comprises vacuum pump and coupled valve tube, in order to vacuumize process to described in-line purification device, one end that described valve tube is connected to described vacuum pump is provided with vacuum valve, and the other end of described valve tube is connected to described gas-filled valve; The entrance of described frequency variable circulating pump is connected with described extraction pipe, and one end that described extraction pipe is connected to described frequency variable circulating pump is provided with a pump inlet valve, and the other end of described extraction pipe is connected to described electric power SF
6isolating switch; The outlet of described frequency variable circulating pump and described SF
6the bottleneck of gas cylinder is all connected to described SF by induction pipe
6one end of gas purification tower, described SF
6the bottleneck of gas cylinder is connected to described SF
6the induction pipe of gas purification tower is disposed with a SF
6gas cylinder reducing valve and aeration valve, the outlet of described frequency variable circulating pump is connected to described SF
6the induction pipe of gas purification tower is provided with an outlet valve of circulating pump; Described SF
6the other end of gas purification tower is connected to the entrance of described surge tank by induction pipe, the outlet of described surge tank is connected with described gas-filled valve, one end that described gas-filled valve is connected to described surge tank is disposed with an inflation magnetic valve, a safety valve and a gas-filled valve purging valve, and the other end of described gas-filled valve is connected to described electric power SF through described inflation connecting leg
6isolating switch.
Further, described electric power SF
6isolating switch comprises SF
6breaker body, SF
6the SF of circuit breaker internal
6gas, pressure transmitter, intake valve and purging valve; Described SF
6one opening part of breaker body is provided with described intake valve, and described intake valve is connected with the inflation connecting leg of described in-line purification device, described SF
6another opening part of breaker body is provided with described purging valve, and described purging valve is connected with the extraction pipe of described in-line purification device; Described pressure transmitter is arranged at SF
6on isolating switch, in order to gather described SF
6the SF of circuit breaker internal
6the force value of gas.
Further, described SF
6gas cylinder is built with high-purity SF
6gas, in order to rinse pipeline in described in-line purification device and equipment makes to be full of high-purity SF in device
6gas.
Further, described in-line purification device also comprises a control module, and one end of described control module is electrically connected at described electric power SF
6pressure transmitter in isolating switch, the other end of described control module is connected to the frequency variable circulating pump in described in-line purification device and inflates magnetic valve, in order to control the open degree force value and described inflation magnetic valve of frequency variable circulating pump.
Further, described control module is PLC processor or micro processor.
Preferably, described SF
6sorbent material is loaded with, the adsorbable SF of described sorbent material in gas purification tower
6the moisture contained in middle gas in gas and detrimental impurity.
The present invention adopts following methods to realize: a kind of electric power SF
6isolating switch SF
6the using method of gas in-line purification device, comprises the following steps:
Step S1: open vacuum valve, inflation magnetic valve, pump inlet valve and outlet valve of circulating pump; Open vacuum pump to vacuumize the pipeline in described in-line purification device and equipment;
Step S2: after described in-line purification device has vacuumized, closes vacuum valve and vacuum pump;
Step S3: open SF
6gas cylinder, SF
6gas cylinder reducing valve and aeration valve, rinse the pipeline in described in-line purification device and equipment;
Step S4: judge whether be full of high-purity SF in described in-line purification device
6gas, if the high-purity SF of underfilling in device
6gas, then return step S3 and proceed flushing work, if be full of high-purity SF in device
6gas, then close SF
6gas cylinder, SF
6gas cylinder reducing valve and aeration valve, enter step S5;
Step S5: judge and after confirming that described vacuum valve and vacuum pump are closed, open SF
6gas cylinder, SF
6gas cylinder reducing valve and aeration valve, and regulate described reducing valve force value and described SF
6the SF of circuit breaker internal
6the force value of gas is equal, when described in-line purification device is full of and SF
6isolating switch internal pressure is worth identical high-purity SF
6after gas, close SF
6gas cylinder, SF
6gas cylinder reducing valve and aeration valve;
Step S
6: open described electric power SF
6frequency variable circulating pump in the intake valve of isolating switch and purging valve and described in-line purification device;
Step S7: described electric power SF
6sF in isolating switch
6the SF of circuit breaker internal
6gas enters in described frequency variable circulating pump by purging valve and extraction pipe through pump inlet valve, described SF
6gas enters described SF through outlet valve of circulating pump and induction pipe after being extruded by described frequency variable circulating pump
6in gas purification tower;
Step S8: described SF
6the sorbent material of splendid attire in gas purification tower, described sorbent material is adsorbable enters described SF
6sF in gas purification tower
6the moisture of gas entrained with and detrimental impurity, purify described SF
6gas;
Step S9: through the SF of sorbent material purification in described step S8
6gas enters in surge tank, and described surge tank reduces SF
6the force value fluctuation of gas, keeps SF in described in-line purification device
6the force value of gas is stablized;
Step S10: the SF in described surge tank
6gas is successively through inflation magnetic valve, gas-filled valve purging valve, gas-filled valve, inflation connecting leg and SF
6the intake valve of isolating switch enters SF
6in isolating switch, close described circuit SF
6frequency variable circulating pump in the intake valve of isolating switch and purging valve and described in-line purification device, completes decontamination cycle.
Further, described in-line purification device also comprises a control module, and one end of described control module is electrically connected at described electric power SF
6pressure transmitter in isolating switch, the other end of described control module is connected to the frequency variable circulating pump in described in-line purification device and inflates magnetic valve, in order to control the open degree force value and described inflation magnetic valve of frequency variable circulating pump; Described control module gathers SF
6the SF of circuit breaker internal
6the force value of gas, works as SF
6the SF of circuit breaker internal
6when the force value of gas is less than set(ting)value, described control module controls frequency variable circulating pump increase and exerts oneself, and strengthens the open degree of inflation magnetic valve simultaneously; Work as SF
6the SF of circuit breaker internal
6when the force value of gas is greater than set(ting)value, described control module controls frequency variable circulating pump and reduces to exert oneself, and reduces the open degree of inflation magnetic valve simultaneously.
Further, when described control module gathers SF
6the SF of circuit breaker internal
6the force value of gas exceedes when arranging gas safety force value, starts safety valve action pressure release.
Further, when described control module gathers SF
6the SF of circuit breaker internal
6when the force value of gas is less than the gas minimum pressure values of setting, open described SF
6gas cylinder, reducing valve and aeration valve, by described SF
6high-purity SF in gas cylinder
6gas sends into described SF
6circuit breaker internal, when described control module gathers SF
6the SF of circuit breaker internal
6when the force value of gas reaches the gas minimum pressure values of setting, close described SF
6gas cylinder, reducing valve and aeration valve.
Preferably, in-line purification device carries out SF
6in gas purification process, can to SF
6gas samples, and judges SF
6whether gas sweetening is qualified; When purification is to SF
6after gas is qualified, close electric power SF
6the intake valve of isolating switch and purging valve, close frequency variable circulating pump, the gas-filled valve purging valve on gas-filled valve can be opened simultaneously, drained by gas in the pipeline become in described in-line purification device and equipment.
Compared to prior art, the present invention has following beneficial effect: the present invention is by SF in in-line purification device
6the purifying adsorbent of the inner splendid attire of gas purification tower is to the SF of circulation
6isolating switch SF
6gas carries out purifying treatment, pressure transmitter carries out complete monitoring to system pressure, and sending real-time pressure value to control module, control module controls the work of frequency variable circulating pump in purification system, inflation magnetic valve by design programming in advance, remains with a little more than electric power SF
6circuit breaker internal SF
6the pressure reduction of air pressure, carries out being inflated to SF
6switch internal, and circular treatment of releiving, can not cause SF
6the SF that circuit breaker internal is uncontrollable due to inflation/deflation pressure and cause
6gaseous tension is too high, too low or form the phenomenon such as turbulent flow, impact, ensure that electric power SF
6the arc extinguishing when insulation of circuit breaker internal and switch motion, refrigerating function, realize electric power SF
6sF in isolating switch
6medium does not have a power failure in-line purification process, the present invention with now widely use traditional electric power SF
6isolating switch SF
6gas in-line purification device is compared, and has huge advantage.
Accompanying drawing explanation
Fig. 1 is a kind of electric power SF in the present invention
6isolating switch SF
6the structural representation of gas in-line purification device.
Fig. 2 is a kind of electric power SF in the present invention
6isolating switch SF
6gas in-line purification device vacuumizes workflow diagram.
Fig. 3 is a kind of electric power SF in the present invention
6isolating switch SF
6gas in-line purification device carries out SF
6sF in isolating switch
6gas online circularly purifying work for the treatment of schema.
Label declaration: 1 is frequency variable circulating pump; 2 is outlet valve of circulating pump; 3 is SF
6gas purification tower; 4 is surge tank; 5 is inflation magnetic valve; 6 is safety valve; 7 is gas-filled valve purging valve; 8 is pressure transmitter; 9 is intake valve; 10 is SF
6breaker body; 11 is purging valve; 12 is vacuum pump; 13 is vacuum valve; 14 is pump inlet valve; 15 is SF
6gas cylinder; 16 is reducing valve; 17 is aeration valve; 18 is inflation connecting leg; 19 is extraction pipe; 20 is valve tube; 21 is the SF of circuit breaker internal
6gas; 22 is gas-filled valve.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
As shown in Figure 1, a kind of electric power SF of providing of the present embodiment
6isolating switch SF
6gas in-line purification device, comprises electric power SF
6isolating switch and in-line purification device, described in-line purification device comprises a vacuum pump apparatus, a SF
6gas cylinder 15, one frequency variable circulating pump 1, SF
6gas purification tower 3, one surge tank 4, gas-filled valve 22, inflation connecting leg 18 and extraction pipe 19; Described vacuum pump apparatus comprises vacuum pump 12 and coupled valve tube 20, in order to vacuumize process to described in-line purification device, one end that described valve tube 20 is connected to described vacuum pump 12 is provided with vacuum valve 13, and the other end of described valve tube 20 is connected to described gas-filled valve 22; The entrance of described frequency variable circulating pump 1 is connected with described extraction pipe 19, and one end that described extraction pipe 19 is connected to described frequency variable circulating pump 1 is provided with a pump inlet valve 14, and the other end of described extraction pipe 19 is connected to described electric power SF
6isolating switch; The outlet of described frequency variable circulating pump 1 and described SF
6the bottleneck of gas cylinder 15 is all connected to described SF by induction pipe
6one end of gas purification tower 3, described SF
6the bottleneck of gas cylinder 15 is connected to described SF
6the induction pipe of gas purification tower 3 is disposed with a SF
6gas cylinder reducing valve 16 and aeration valve 17, the outlet of described frequency variable circulating pump 1 is connected to described SF
6the induction pipe of gas purification tower 15 is provided with an outlet valve of circulating pump 2; Described SF
6the other end of gas purification tower 15 is connected to the entrance of described surge tank 4 by induction pipe, the outlet of described surge tank 4 is connected with described gas-filled valve 22, one end that described gas-filled valve 22 is connected to described surge tank 4 is disposed with inflation magnetic valve 5, safety valve 6 and a gas-filled valve purging valve 7, and the other end of described gas-filled valve 22 is connected to described electric power SF through described inflation connecting leg 18
6isolating switch.
In the present embodiment, described electric power SF
6isolating switch comprises SF
6breaker body 10, SF
6the SF of circuit breaker internal
6gas 21, pressure transmitter 8, intake valve 9 and purging valve 11; Described SF
6one opening part of breaker body 10 is provided with described intake valve 9, and described intake valve 9 is connected with the inflation connecting leg 18 of described in-line purification device, described SF
6another opening part of breaker body 10 is provided with described purging valve 11, and described purging valve 11 is connected with the extraction pipe 19 of described in-line purification device; Described pressure transmitter 8 is arranged at SF
6on isolating switch, in order to gather described SF
6the SF of circuit breaker internal
6the force value of gas 21.
In the present embodiment, described SF
6gas cylinder 15 is built with high-purity SF
6gas, in order to rinse pipeline in described in-line purification device and equipment makes to be full of high-purity SF in device
6gas.
In the present embodiment, described in-line purification device also comprises a control module, and one end of described control module is electrically connected at described electric power SF
6pressure transmitter 8 in isolating switch, the other end of described control module is connected to the frequency variable circulating pump 1 in described in-line purification device and inflates magnetic valve 5, in order to control the open degree force value and described inflation magnetic valve of frequency variable circulating pump.
In the present embodiment, described control module is PLC processor or micro processor.
In the present embodiment, as electric power SF
6circuit breaker internal SF
6gas is owing to making moist, or through long term frequent change-over switch, high-temperature electric arc causes circuit breaker internal SF
6decomposing gas goes out obnoxious flavour, and when exceeding certain content, namely needs the SF in isolating switch
6medium carries out purifying treatment.
In the present embodiment, as shown in Figure 2, a kind of electric power SF
6isolating switch SF
6the using method of gas in-line purification device, comprises the following steps:
Step S1: open vacuum valve 13, inflation magnetic valve 5, pump inlet valve 14 and outlet valve of circulating pump 2; Open vacuum pump 12 to vacuumize the pipeline in described in-line purification device and equipment;
Step S2: after described in-line purification device has vacuumized, closes vacuum valve 13 and vacuum pump 12;
Step S3: open SF
6gas cylinder 15, SF
6gas cylinder reducing valve 16 and aeration valve 17, rinse the pipeline in described in-line purification device and equipment;
Step S4: judge whether be full of high-purity SF in described in-line purification device
6gas, if the high-purity SF of underfilling in device
6gas, then return step S3 and proceed flushing work, if be full of high-purity SF in device
6gas, then close SF
6gas cylinder 15, SF
6gas cylinder reducing valve 16 and aeration valve 17, enter step S5;
Step S5: to judge and after confirming that described vacuum valve 13 and vacuum pump 12 are closed, unlatching SF
6gas cylinder 15, SF
6gas cylinder reducing valve 16 and aeration valve 17, and regulate described reducing valve 16 force value and described SF
6the SF of circuit breaker internal
6the force value of gas 21 is equal, when described in-line purification device is full of and SF
6isolating switch internal pressure is worth identical high-purity SF
6after gas, close SF
6gas cylinder 15, SF
6gas cylinder reducing valve 16 and aeration valve 17;
Step S
6: open described electric power SF
6frequency variable circulating pump 1 in the intake valve 9 of isolating switch and purging valve 11 and described in-line purification device;
Step S7: described electric power SF
6sF in isolating switch
6the SF of circuit breaker internal
6gas 21 enters in described frequency variable circulating pump 1 by purging valve 11 and extraction pipe 19 through pump inlet valve 9, described SF
6described SF is entered through outlet valve of circulating pump 2 and induction pipe after gas is extruded by described frequency variable circulating pump 1
6in gas purification tower 3;
Step S8: described SF
6the sorbent material of splendid attire in gas purification tower 3, described sorbent material is adsorbable enters described SF
6sF in gas purification tower 3
6the moisture of gas entrained with and detrimental impurity, purify described SF
6gas;
Step S9: through the SF of sorbent material purification in described step S8
6gas enters in surge tank 4, and described surge tank 4 reduces SF
6the force value fluctuation of gas, keeps SF in described in-line purification device
6the force value of gas is stablized;
Step S10: the SF in described surge tank 4
6gas is successively through inflation magnetic valve 5, gas-filled valve purging valve 7, gas-filled valve 22, inflation connecting leg 18 and SF
6the intake valve 9 of isolating switch enters SF
6in isolating switch, close described circuit SF
6frequency variable circulating pump 1 in the intake valve 9 of isolating switch and purging valve 11 and described in-line purification device, completes decontamination cycle.
In the present embodiment, described in-line purification device also comprises a control module, and one end of described control module is electrically connected at described electric power SF
6pressure transmitter 8 in isolating switch, the other end of described control module is connected to the frequency variable circulating pump 1 in described in-line purification device and inflates magnetic valve 5, in order to control the open degree force value and described inflation magnetic valve of frequency variable circulating pump; Described control module gathers SF
6the SF of circuit breaker internal
6the force value of gas, works as SF
6the SF of circuit breaker internal
6when the force value of gas is less than set(ting)value, described control module controls frequency variable circulating pump increase and exerts oneself, and strengthens the open degree of inflation magnetic valve simultaneously; Work as SF
6the SF of circuit breaker internal
6when the force value of gas is greater than set(ting)value, described control module controls frequency variable circulating pump and reduces to exert oneself, and reduces the open degree of inflation magnetic valve simultaneously.
In the present embodiment, when described control module gathers SF
6the SF of circuit breaker internal
6the force value of gas exceedes when arranging gas safety force value, starts safety valve 6 action pressure release.
In the present embodiment, when described control module gathers SF
6the SF of circuit breaker internal
6when the force value of gas is less than the gas minimum pressure values of setting, open described SF
6gas cylinder 15, reducing valve 16 and aeration valve 17, by described SF
6high-purity SF in gas cylinder
6gas sends into described SF
6circuit breaker internal, when described control module gathers SF
6the SF of circuit breaker internal
6when the force value of gas reaches the gas minimum pressure values of setting, close described SF
6gas cylinder, reducing valve and aeration valve.
In the present embodiment, preferably, in-line purification device carries out SF
6in gas purification process, can to SF
6gas samples, and judges SF
6whether gas sweetening is qualified; When purification is to SF
6after gas is qualified, close electric power SF
6the intake valve of isolating switch and purging valve, close frequency variable circulating pump, the gas-filled valve purging valve on gas-filled valve can be opened simultaneously, drained by gas in the pipeline become in described in-line purification device and equipment.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. an electric power SF
6isolating switch SF
6gas in-line purification device, is characterized in that: comprise electric power SF
6isolating switch and in-line purification device, described in-line purification device comprises a vacuum pump apparatus, a SF
6gas cylinder, a frequency variable circulating pump, a SF
6gas purification tower, a surge tank, gas-filled valve, inflation connecting leg and extraction pipe; Described vacuum pump apparatus comprises vacuum pump and coupled valve tube, in order to vacuumize process to described in-line purification device, one end that described valve tube is connected to described vacuum pump is provided with vacuum valve, and the other end of described valve tube is connected to described gas-filled valve; The entrance of described frequency variable circulating pump is connected with described extraction pipe, and one end that described extraction pipe is connected to described frequency variable circulating pump is provided with a pump inlet valve, and the other end of described extraction pipe is connected to described electric power SF
6isolating switch; The outlet of described frequency variable circulating pump and described SF
6the bottleneck of gas cylinder is all connected to described SF by induction pipe
6one end of gas purification tower, described SF
6the bottleneck of gas cylinder is connected to described SF
6the induction pipe of gas purification tower is disposed with a SF
6gas cylinder reducing valve and aeration valve, the outlet of described frequency variable circulating pump is connected to described SF
6the induction pipe of gas purification tower is provided with an outlet valve of circulating pump; Described SF
6the other end of gas purification tower is connected to the entrance of described surge tank by induction pipe, the outlet of described surge tank is connected with described gas-filled valve, one end that described gas-filled valve is connected to described surge tank is disposed with an inflation magnetic valve, a safety valve and a gas-filled valve purging valve, and the other end of described gas-filled valve is connected to described electric power SF through described inflation connecting leg
6isolating switch.
2. an electric power SF
6isolating switch SF
6gas in-line purification device, is characterized in that: described electric power SF
6isolating switch comprises SF
6breaker body, SF
6the SF of circuit breaker internal
6gas, pressure transmitter, intake valve and purging valve; Described SF
6one opening part of breaker body is provided with described intake valve, and described intake valve is connected with the inflation connecting leg of described in-line purification device, described SF
6another opening part of breaker body is provided with described purging valve, and described purging valve is connected with the extraction pipe of described in-line purification device; Described pressure transmitter is arranged at SF
6on isolating switch, in order to gather described SF
6the SF of circuit breaker internal
6the force value of gas.
3. an electric power SF
6isolating switch SF
6gas in-line purification device, is characterized in that: described SF
6gas cylinder is built with high-purity SF
6gas, in order to rinse pipeline in described in-line purification device and equipment makes to be full of high-purity SF in device
6gas.
4. an electric power SF
6isolating switch SF
6gas in-line purification device, is characterized in that: described in-line purification device also comprises a control module, and one end of described control module is electrically connected at described electric power SF
6pressure transmitter in isolating switch, the other end of described control module is connected to the frequency variable circulating pump in described in-line purification device and inflates magnetic valve, in order to control the open degree force value and described inflation magnetic valve of frequency variable circulating pump.
5. an electric power SF
6isolating switch SF
6gas in-line purification device, is characterized in that: described control module is PLC processor or micro processor.
6. an electric power SF as claimed in claim 1
6isolating switch SF
6the using method of gas in-line purification device, is characterized in that comprising the following steps:
Step S1: open vacuum valve, inflation magnetic valve, pump inlet valve and outlet valve of circulating pump; Open vacuum pump to vacuumize the pipeline in described in-line purification device and equipment;
Step S2: after described in-line purification device has vacuumized, closes vacuum valve and vacuum pump;
Step S3: open SF
6gas cylinder, SF
6gas cylinder reducing valve and aeration valve, rinse the pipeline in described in-line purification device and equipment;
Step S4: judge whether be full of high-purity SF in described in-line purification device
6gas, if the high-purity SF of underfilling in device
6gas, then return step S3 and proceed flushing work, if be full of high-purity SF in device
6gas, then close SF
6gas cylinder, SF
6gas cylinder reducing valve and aeration valve, enter step S5;
Step S5: judge and after confirming that described vacuum valve and vacuum pump are closed, open SF
6gas cylinder, SF
6gas cylinder reducing valve and aeration valve, and regulate described reducing valve force value and described SF
6the SF of circuit breaker internal
6the force value of gas is equal, when described in-line purification device is full of and SF
6isolating switch internal pressure is worth identical high-purity SF
6after gas, close SF
6gas cylinder, SF
6gas cylinder reducing valve and aeration valve;
Step S
6: open described electric power SF
6frequency variable circulating pump in the intake valve of isolating switch and purging valve and described in-line purification device;
Step S7: described electric power SF
6sF in isolating switch
6the SF of circuit breaker internal
6gas enters in described frequency variable circulating pump by purging valve and extraction pipe through pump inlet valve, described SF
6gas enters described SF through outlet valve of circulating pump and induction pipe after being extruded by described frequency variable circulating pump
6in gas purification tower;
Step S8: described SF
6the sorbent material of splendid attire in gas purification tower, described sorbent material is adsorbable enters described SF
6sF in gas purification tower
6the moisture of gas entrained with and detrimental impurity, purify described SF
6gas;
Step S9: through the SF of sorbent material purification in described step S8
6gas enters in surge tank, and described surge tank reduces SF
6the force value fluctuation of gas, keeps SF in described in-line purification device
6the force value of gas is stablized;
Step S10: the SF in described surge tank
6gas is successively through inflation magnetic valve, gas-filled valve purging valve, gas-filled valve, inflation connecting leg and SF
6the intake valve of isolating switch enters SF
6in isolating switch, close described circuit SF
6frequency variable circulating pump in the intake valve of isolating switch and purging valve and described in-line purification device, completes decontamination cycle.
7. a kind of electric power SF according to claim 6
6isolating switch SF
6the using method of gas in-line purification device, is characterized in that: described in-line purification device also comprises a control module, and one end of described control module is electrically connected at described electric power SF
6pressure transmitter in isolating switch, the other end of described control module is connected to the frequency variable circulating pump in described in-line purification device and inflates magnetic valve, in order to control the open degree force value and described inflation magnetic valve of frequency variable circulating pump; Described control module gathers SF
6the SF of circuit breaker internal
6the force value of gas, works as SF
6the SF of circuit breaker internal
6when the force value of gas is less than set(ting)value, described control module controls frequency variable circulating pump increase and exerts oneself, and strengthens the open degree of inflation magnetic valve simultaneously; Work as SF
6the SF of circuit breaker internal
6when the force value of gas is greater than set(ting)value, described control module controls frequency variable circulating pump and reduces to exert oneself, and reduces the open degree of inflation magnetic valve simultaneously.
8. a kind of electric power SF according to claim 7
6isolating switch SF
6the using method of gas in-line purification device, is characterized in that: when described control module gathers SF
6the SF of circuit breaker internal
6the force value of gas exceedes when arranging gas safety force value, starts safety valve action pressure release.
9. a kind of electric power SF according to claim 7
6isolating switch SF
6the using method of gas in-line purification device, is characterized in that: when described control module gathers SF
6the SF of circuit breaker internal
6when the force value of gas is less than the gas minimum pressure values of setting, open described SF
6gas cylinder, reducing valve and aeration valve, by described SF
6high-purity SF in gas cylinder
6gas sends into described SF
6circuit breaker internal, when described control module gathers SF
6the SF of circuit breaker internal
6when the force value of gas reaches the gas minimum pressure values of setting, close described SF
6gas cylinder, reducing valve and aeration valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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