CN104638557A - Gas purification method - Google Patents
Gas purification method Download PDFInfo
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- CN104638557A CN104638557A CN201510101440.0A CN201510101440A CN104638557A CN 104638557 A CN104638557 A CN 104638557A CN 201510101440 A CN201510101440 A CN 201510101440A CN 104638557 A CN104638557 A CN 104638557A
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- gas
- air valve
- gas purification
- air
- purification
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/055—Features relating to the gas
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a purification method, in particular to a gas purification method. The gas purification method comprises the following steps: A, connecting a ventilation hole of a gas purification device with a gas chamber, and opening a self-sealing valve; S2, sucking gas: sucking to-be-purified gas from the gas chamber through a gas suction module; S3, judging: judging whether the to-be-purified gas is up to standard; executing a step S6 if the to-be-purified gas is up to standard; executing a step S4 if the to-be-purified gas is not up to standard yet; S4, purifying: purifying the to-be-purified gas sucked from the gas chamber by a purification module; S5, exhaling: filling the gas chamber with the purified gas by an exhalation module, and then executing a step S2; S6, ending. According to the gas purification method, the gas in the insulated gas chamber of a high-voltage switch gear can be purified through one ventilation hole under the condition that normal power utilization of a user is not affected; the method has great social benefit and economic benefit.
Description
Technical field
The present invention relates to purification method, particularly a kind of method for gas purification.
Background technology
In recent years, gas-insulated switchgear obtains propagation and employment rapidly in China, particularly along with the switching devices such as China's Construction of Intercity Network and transformation, track traffic and large industrial enterprise propose the new requirements at the higher level such as miniaturization, intellectuality, non-maintaining, full working scope, the gas-filling cabinet demand at home of high-performance, high-quality is more and more stronger.
In above-mentioned gas insulated switch, sulfur hexafluoride gas, nitrogen or mist are often used as the dielectric of switchgear.For sulfur hexafluoride gas, although it has good electrical insulation properties and excellent arc extinction performance, if reclaim it not according to correct method, regenerate process, pollution will be formed to air.
The reason of the contaminant overstandard such as sulfur hexafluoride gas moisture and toxic and harmful is caused to come from following five aspects: one is impurities in the new gas of sulphur hexafluoride; Two be electric equipment inflation time bring impurity into; Three is that sulfur hexafluoride gas decomposes generation impurity under arcing; Four impurity brought into when being gas recyclings; Five is that in running, atmospheric water infiltrates equipment.
Process for the moisture Sum decomposition thing in above-mentioned sulfur hexafluoride gas normally first has a power failure, then is processed by special cleaning equipment.But in today of economic develop rapidly, interruption maintenance is very big on socioeconomic impact, has had a strong impact on daily life and economical production.
Summary of the invention
In order to solve the technical problem of sulfur hexafluoride gas purification process in existing gas-insulated switch, the present invention proposes a kind of method of Purge gas, utilize gas cleaning plant to carry out, described gas cleaning plant comprises the blow vent for connecting air chamber, and described blow vent is provided with Self-sealing valve; Also comprise vent stack road, air-breathing module, cleaning module and expiration module; Described blow vent is arranged at the head end on this vent stack road, end on this vent stack road connects the head end of air-breathing module and the end of expiration module respectively, the end of air-breathing module is connected with the head end of cleaning module, and the end of cleaning module is connected with the head end of expiration module; The method of described Purge gas comprises the steps:
Steps A, is connected the blow vent of described gas cleaning plant with air chamber, opens Self-sealing valve;
Step S2, inhalation step: air-breathing module sucks gas to be clean from air chamber;
Step S3, determining step: judge that whether gas to be clean is up to standard; If gas to be clean is up to standard, perform step S6; If gas to be clean is not yet up to standard, perform step S4;
Step S4, purifying step: the gas to be clean that cleaning module purification sucks from air chamber;
Step S5, expiration step: purified gas is poured into air chamber by expiration module, then performs step S2;
Step S6, terminates.
Method for gas purification of the present invention, very little for the gas gross in air chamber from the amount of the gas to be clean of air chamber suction in each purification cycle, therefore can not have influence on the normal work of gas-insulated switch.Now, can complete when not having a power failure the gas cleaning work in gas-insulated switch.That is, although the amount of each purification cycle suction gas of gas cleaning plant of the present invention can make the air pressure of gas-insulated switch decline to some extent in one-period, but the fluctuation of this air pressure is within the scope that allows in industry standard, can not affect the normal operation of switch; Thus ensure that when not affecting user's normal electricity consumption; by a blow vent, the gas in the insulating gas air chamber of high voltage switchgear is purified; reach the object of high-voltage switch gear insulating gas purification; decrease the discharge of toxic and harmful; protect biological environment, there is huge Social benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the gas cleaning plant of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the reverse supercharging bursting device in the gas cleaning plant of the embodiment of the present invention 1.
Fig. 3 is the flow chart of method for gas purification of the present invention.
Embodiment
Method for gas purification of the present invention is described in detail below in conjunction with accompanying drawing.
The present invention proposes a kind of method of Purge gas, its flow process as shown in Figure 3, utilizes gas cleaning plant to carry out, and described gas cleaning plant comprises the blow vent for connecting air chamber, and described blow vent is provided with Self-sealing valve; Also comprise vent stack road, air-breathing module, cleaning module and expiration module; Described blow vent is arranged at the head end on this vent stack road, end on this vent stack road connects the head end of air-breathing module and the end of expiration module respectively, the end of air-breathing module is connected with the head end of cleaning module, and the end of cleaning module is connected with the head end of expiration module; The method of described Purge gas comprises the steps:
Steps A, is connected the blow vent of described gas cleaning plant with air chamber, opens Self-sealing valve;
Step S2, inhalation step: air-breathing module sucks gas to be clean from air chamber;
Step S3, determining step: judge that whether gas to be clean is up to standard; If gas to be clean is up to standard, perform step S6; If gas to be clean is not yet up to standard, perform step S4;
Step S4, purifying step: the gas to be clean that cleaning module purification sucks from air chamber;
Step S5, expiration step: purified gas is poured into air chamber by expiration module, then performs step S2;
Step S6, terminates.
Illustrate gas cleaning plant of the present invention and method for gas purification thereof below.
Embodiment 1
Gas cleaning plant of the present invention, comprise the blow vent for connecting air chamber, described blow vent is provided with Self-sealing valve; Also comprise vent stack road, air-breathing module, cleaning module and expiration module; Described blow vent is arranged at the head end on this vent stack road, end on this vent stack road connects the head end of air-breathing module and the end of expiration module respectively, the end of air-breathing module is connected with the head end of cleaning module, and the end of cleaning module is connected with the head end of expiration module.
Described vent stack road can be provided with the first air valve.
Described air-breathing module comprises suction line, and described suction line is provided with the second air valve.
Described vent stack road or suction line are provided with the first gas componant detecting sensor.
The first described gas componant detecting sensor both can be water content detecting sensor, also can be toxic and harmful composition detection transducer, can also be other gas componant detecting sensor.
Described cleaning module comprises purification pipeline, and described purification pipeline is provided with gas purifier.
Described gas purifier can adopt inner filling to have the adsorption filtration material such as the molecular sieve of adsorption moisture and toxic and harmful, the screen pack of filtering out harmful matter, or integrating the comprehensive integrated form filtration of above all filtering functions, this structure also comprises the separation function with moisture and poisonous and harmful analyte.
Described expiration module comprises expiration pipeline, and described expiration pipeline is sequentially set with gas pressurized device and the 3rd air valve.
Described gas pressurized device can be gas compressor or gas boosting pump.
The second gas pressure monitoring transducer is provided with between described gas pressurized device and the 3rd air valve.
Described purification pipeline can also be provided with adjustable 6th air valve of valve opening degree; Described 6th air valve can be motorized needle valve.
Reverse supercharging bursting device can also be provided with in the front end of the gas purifier of described purification pipeline; Utilize the molecular link of this reverse supercharging bursting device explosion moisture or toxic and harmful, thus advantageously in follow-up gas purifier Purge gas.As shown in Figure 2, described reverse supercharging bursting device 4 comprises cavity, and be provided with explosion fragmenting plate 42 in described cavity, described cavity separates as reverse supercharging chamber 43 and air collecting chamber 41 by this explosion fragmenting plate 42; The described entrance of air collecting chamber 41 is connected with the end of suction line; The 5th air valve 2 is also provided with in the exit in described reverse supercharging chamber 43; The outlet in described reverse supercharging chamber 43 is connected with the front end of described 5th air valve 2; The rear end of described 5th air valve 2 is connected with the front end of described gas purifier; Reverse supercharging device 3 is also provided with in described reverse supercharging chamber 43.This reverse supercharging device 3 specifically can adopt the equipment such as turbocharger.
Described explosion fragmenting plate 42 is provided with multiple perforate 421,422,423, the diameter that described perforate is positioned at side, reverse supercharging chamber 43 is greater than the diameter being positioned at air collecting chamber 41 side.This kind of structure is conducive to the quick backflow of gas, and can form the environment of jet and HTHP.
The second gas componant detecting sensor can also be provided with between described gas purifier and the 3rd air valve.
The second described gas componant detecting sensor both can be water content detecting sensor, also can be toxic and harmful composition detection transducer, can also be other gas componant detecting sensor.
Described water content detecting sensor can adopt as equipment such as dew point transducer, micro-moisture detector, micro-water integrated monitors.
Described expiration module can also comprise air accumulator, and described air accumulator is arranged between gas pressurized device and the 3rd air valve.
Described second gas pressure monitoring transducer can be arranged on air accumulator.
Described gas cleaning plant can also comprise vacuum-pumping pipeline; Described vacuum-pumping pipeline is sequentially set with the 4th air valve and vacuum pumping pump, described vacuum pumping pump rear end is provided with exhaust outlet; The rear end of the 4th air valve is connected with the front end of vacuum pumping pump, and the front end of the 4th air valve is communicated with vent stack road, air-breathing module, cleaning module or expiration module.In the present embodiment, the head end (i.e. the front end of the 4th air valve) of vacuum-pumping pipeline both can be communicated with vent stack road, also can be communicated with suction line, can also with purification pipeline connection, can certainly with expiration pipeline connection.
Described gas cleaning plant can also be provided with pipeline vacuum-degree monitoring transducer in vent stack road, air-breathing module, cleaning module or expiration module.In the present embodiment, pipeline vacuum-degree monitoring transducer both can be arranged on vent stack road, also can be arranged on suction line, can also be arranged on purification pipeline, can certainly be arranged on expiration pipeline.
A kind of concrete gas cleaning plant can be as shown in Figure 1.
The method of Purge gas of the present invention, utilizes gas cleaning plant of the present invention to carry out, and described gas cleaning plant comprises the blow vent for connecting air chamber, and described blow vent is provided with Self-sealing valve; Also comprise vent stack road, air-breathing module, cleaning module and expiration module; Described blow vent is arranged at the head end on this vent stack road, end on this vent stack road connects the head end of air-breathing module and the end of expiration module respectively, the end of air-breathing module is connected with the head end of cleaning module, and the end of cleaning module is connected with the head end of expiration module;
The method of described Purge gas comprises the steps:
Steps A, is connected the blow vent of described gas cleaning plant with air chamber, opens Self-sealing valve;
Step S2, inhalation step: air-breathing module sucks gas to be clean from air chamber;
Step S3, determining step: judge that whether gas to be clean is up to standard; If gas to be clean is up to standard, perform step S6; If gas to be clean is not yet up to standard, perform step S4;
Step S4, purifying step: the gas to be clean that cleaning module purification sucks from air chamber;
Step S5, expiration step: purified gas is poured into air chamber by expiration module, then performs step S2;
Step S6, terminates.
In described step S2, air-breathing module sucks the gas to be clean of scheduled volume from air chamber.The amount of the gas to be clean of described scheduled volume is very little, and enter described gas cleaning plant although little to a part of gas in air chamber, the gas pressure in described air chamber still meets the demands, and can not have influence on the normal work of gas-insulated switch.Now, can complete when not having a power failure the gas cleaning work in gas-insulated switch.
Described gas cleaning plant can also comprise vacuum-pumping pipeline; Described vacuum-pumping pipeline is sequentially set with the 4th air valve and vacuum pumping pump, described vacuum pumping pump rear end is provided with exhaust outlet; The rear end of the 4th air valve is connected with the front end of vacuum pumping pump, and the front end of the 4th air valve is communicated with vent stack road, air-breathing module, cleaning module or expiration module; In this situation, the method for described Purge gas also comprised step S1 before steps A: the step vacuumized.Described step S1 specifically comprises: close Self-sealing valve, open all air valves except Self-sealing valve, and then unlatching vacuum pumping pump carries out vacuum pumping to vacuum degree to gas cleaning plant is predetermined value.
The vent stack road of described gas cleaning plant can also be provided with the first air valve; In this situation, described step S2 also comprises the step of unlatching first air valve.
When being provided with the first air valve, described gas cleaning plant can also comprise vacuum-pumping pipeline; Described vacuum-pumping pipeline is sequentially set with the 4th air valve and vacuum pumping pump, described vacuum pumping pump rear end is provided with exhaust outlet; The rear end of the 4th air valve is connected with the front end of vacuum pumping pump, and the front end of the 4th air valve is communicated with vent stack road, air-breathing module, cleaning module or expiration module; In this situation, the method for described Purge gas also comprises step S1 between steps A and step S2: the step vacuumized.Described step S1 specifically comprises: close the first air valve, opens all air valves except the first air valve, and then unlatching vacuum pumping pump carries out vacuum pumping to vacuum degree to gas cleaning plant is predetermined value.
Described vacuum degree predetermined value can be 133 handkerchiefs.
The air-breathing module of described gas cleaning plant comprises suction line, and described suction line is provided with the second air valve; In this situation, described step S2 specifically comprises step S22: open described second air valve, gas to be clean enters suction line from air chamber by vent stack road.
The cleaning module of described gas cleaning plant comprises purification pipeline, and described purification pipeline is provided with gas purifier; In this situation, described step S4 specifically comprises gas to be clean and enters purification pipeline from suction line, and the gas purifier on purification pipeline purifies gas to be clean.
The expiration module of described gas cleaning plant comprises expiration pipeline, and described expiration pipeline is sequentially set with gas pressurized device and the 3rd air valve; In this situation, described step S5 specifically comprises described gas pressurized device and purified gas is pressed into expiration pipeline between gas pressurized device and the 3rd air valve, when gas pressure in expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, close the second air valve, then open the 3rd air valve, the gas in the expiration pipeline between gas pressurized device and the 3rd air valve pours into air chamber.In this situation, described step S2 also comprised step S21 before step S22: close the 3rd air valve.
Described expiration pipeline can also be provided with air accumulator, and air accumulator can be arranged between gas pressurized device and the 3rd air valve; In this situation, described step S5 specifically comprises described gas pressurized device and purified gas is pressed into air accumulator, when the gas pressure in air accumulator is greater than set point, closes the second air valve, and then open the 3rd air valve, the gas in air accumulator pours into air chamber.
The first gas componant detecting sensor is also provided with on the vent stack road of described gas cleaning plant or in suction line; In this situation, described step S3 specifically comprises: the first gas componant detecting sensor detects the gas componant of the gas to be clean sucked, and judges that whether gas to be clean is up to standard according to testing result; If gas to be clean is up to standard, perform step S6; If gas to be clean is not yet up to standard, perform step S4.
Described purification pipeline can also be provided with adjustable 6th air valve of valve opening degree; In this situation, described step S2 also comprises by regulating the valve opening degree of the 6th air valve thus regulating the step of gas inhalation flow to be clean.
Described gas cleaning plant can also be provided with reverse supercharging bursting device in the front end of the gas purifier of described purification pipeline; Described reverse supercharging bursting device comprises cavity, is provided with explosion fragmenting plate in described cavity, and described cavity separates as reverse supercharging chamber and air collecting chamber by this explosion fragmenting plate; The entrance of described air collecting chamber is connected with the end of suction line; The 5th air valve is also provided with in the exit in described reverse supercharging chamber; The outlet in described reverse supercharging chamber is connected with the front end of described 5th air valve; The rear end of described 5th air valve is connected with the front end of described gas purifier; Reverse supercharging device is also provided with in described reverse supercharging chamber; In this situation, described step S4 specifically comprises gas to be clean and enters purification pipeline from suction line; Close the 5th air valve, open described reverse supercharging device, to make the gas in reverse supercharging chamber through the fragmenting plate quick backflow that bursts to air collecting chamber; When after setting-up time, close described reverse supercharging device, open the 5th air valve, after entering reverse supercharging chamber by air collecting chamber again to make gas, enter into gas purifier through the 5th air valve; Gas purifier on purification pipeline purifies gas to be clean.
First described 5th air valve is closed, and make the work of described reverse supercharging device, because the pressure in reverse supercharging chamber sharply increases, the gas in reverse supercharging chamber can be made through the fragmenting plate quick backflow that bursts to air collecting chamber, thus be partially formed high temperature and high pressure environment in air collecting chamber, and with jet, this extreme environment can make the molecular scission of moisture or toxic and harmful, be conducive to follow-up gas purifier Purge gas; Then more described reverse supercharging device cuts out, the 5th air valve is opened, after making gas enter reverse supercharging chamber by air collecting chamber again, enters into gas purifier through the 5th air valve.
The second gas componant detecting sensor can also be provided with between the gas purifier of described gas cleaning plant and the 3rd air valve; In this situation, the method for described Purge gas also comprises the gas componant that the step B: the second gas componant detecting sensor detects the rear gas of purification between step S4 and step S5; The relatively testing result of the second gas componant detecting sensor and the testing result of the first gas componant detecting sensor, thus the gas-purifying capacity of gas-monitoring clarifier.
Present invention also offers the method for another kind of Purge gas, utilize gas cleaning plant of the present invention to implement, described gas cleaning plant comprises the blow vent for connecting air chamber, and described blow vent is provided with Self-sealing valve; Also comprise vent stack road, air-breathing module, cleaning module and expiration module; Described blow vent is arranged at the head end on this vent stack road, end on this vent stack road connects the head end of air-breathing module and the end of expiration module respectively, the end of air-breathing module is connected with the head end of cleaning module, and the end of cleaning module is connected with the head end of expiration module; The vent stack road of described gas cleaning plant is also provided with the first air valve; The air-breathing module of described gas cleaning plant comprises suction line, and described suction line is provided with the second air valve; The expiration module of described gas cleaning plant comprises expiration pipeline, and described expiration pipeline is sequentially set with gas pressurized device and the 3rd air valve;
The method of described Purge gas comprises the steps:
Steps A, is connected the blow vent of described gas cleaning plant with air chamber, opens Self-sealing valve;
Step S2, inhalation step: air-breathing module sucks gas to be clean from air chamber;
Step S3, determining step: judge that whether gas to be clean is up to standard; If gas to be clean is up to standard, perform step S6; If gas to be clean is not yet up to standard, perform step S4;
Step S4, purifying step: the gas to be clean that cleaning module purification sucks from air chamber;
Step S5, expiration step: purified gas is poured into air chamber by expiration module, then performs step S2;
Step S6, terminates.
Described step S2 specifically comprises: step S21: open the first air valve; Step S23: open the second air valve, gas to be clean enters suction line.
The method of described Purge gas can also comprise step C: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the first air valve.The method of described Purge gas can also comprise step D after step c: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the second air valve.The method of described Purge gas can also comprise step e after step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, opens the step of the 3rd air valve.The method of described Purge gas can also comprise step F after step e: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.The method of described Purge gas can also comprise step G after step F: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, open the step of the first air valve.The step S5 of the method for described Purge gas specifically comprises: after step G, perform step H: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, opens the step of the 3rd air valve.
The method of described Purge gas can also comprise step C: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the first air valve.The method of described Purge gas can also comprise step F after step c: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.The method of described Purge gas can also comprise step G after step F: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, open the step of the first air valve.The step S5 of the method for described Purge gas specifically comprises: after step G, perform step H: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, opens the step of the 3rd air valve.The method of described Purge gas can also comprise step L between step G and step H: the step of closing the second air valve.
The method of described Purge gas can also comprise step C: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the first air valve.The method of described Purge gas can also comprise step D after step c: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the second air valve.The method of described Purge gas can also comprise step F after step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.The method of described Purge gas can also comprise step G after step F: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, open the step of the first air valve.The step S5 of the method for described Purge gas specifically comprises: after step G, perform step H: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, opens the step of the 3rd air valve.
The method of described Purge gas can also comprise step C: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the first air valve.The method of described Purge gas can also comprise step D after step c: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the second air valve.The method of described Purge gas can also comprise step F between step C and step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.The method of described Purge gas can also comprise step G after step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, open the step of the first air valve.The step S5 of the method for described Purge gas specifically comprises: after step G, perform step H: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, opens the step of the 3rd air valve.
The method of described Purge gas can also comprise step C: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the first air valve.The method of described Purge gas can also comprise step D after step c: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the second air valve.The method of described Purge gas can also comprise step e after step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, opens the step of the 3rd air valve.The step S5 of the method for described Purge gas specifically comprises: after step e, perform step I: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the first air valve.
The method of described Purge gas can also comprise step C: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the first air valve.The method of described Purge gas can also comprise step F after step c: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.The step S5 of the method for described Purge gas specifically comprises: after step F, perform step I: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the first air valve.The method of described Purge gas also comprises step J after step I: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, opens the step of the 3rd air valve.
The method of described Purge gas can also comprise step C: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the first air valve.The method of described Purge gas can also comprise step D after step c: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the second air valve.The method of described Purge gas can also comprise step F after step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.The step S5 of the method for described Purge gas specifically comprises: after step F, perform step I: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the first air valve.The method of described Purge gas also comprises step J after step I: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, opens the step of the 3rd air valve.
The method of described Purge gas can also comprise step C: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the first air valve.The method of described Purge gas can also comprise step D after step c: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the second air valve.The method of described Purge gas can also comprise step F between step C and step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.The step S5 of the method for described Purge gas specifically comprises: after step D, perform step I: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the first air valve.The method of described Purge gas also comprises step J after step I: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, opens the step of the 3rd air valve.
In described step S2, air-breathing module sucks the gas to be clean of scheduled volume from air chamber.The amount of the gas to be clean of described scheduled volume is very little, and enter described gas cleaning plant although little to a part of gas in air chamber, the gas pressure in described air chamber still meets the demands, and can not have influence on the normal work of gas-insulated switch.Now, can complete when not having a power failure the gas cleaning work in gas-insulated switch.
Described gas cleaning plant can also comprise vacuum-pumping pipeline; Described vacuum-pumping pipeline is sequentially set with the 4th air valve and vacuum pumping pump, described vacuum pumping pump rear end is provided with exhaust outlet; The rear end of the 4th air valve is connected with the front end of vacuum pumping pump, and the front end of the 4th air valve is communicated with vent stack road, air-breathing module, cleaning module or expiration module.In this situation, step S1 can be increased before the steps A of the method for described Purge gas: the step vacuumized; Described step S1 specifically comprises: close Self-sealing valve, open all air valves except Self-sealing valve, and then unlatching vacuum pumping pump carries out vacuum pumping to vacuum degree to gas cleaning plant is predetermined value.Also step S1 can be increased between the steps A of the method for described Purge gas and step S2: the step vacuumized; Described step S1 specifically comprises: close the first air valve, opens all air valves except the first air valve, and then unlatching vacuum pumping pump carries out vacuum pumping to vacuum degree to gas cleaning plant is predetermined value.
Described vacuum degree predetermined value can be 133 handkerchiefs.
The cleaning module of described gas cleaning plant comprises purification pipeline, and described purification pipeline is provided with gas purifier; In this situation, described step S4 specifically comprises gas to be clean and enters purification pipeline from suction line, and the gas purifier on purification pipeline purifies gas to be clean.
Described expiration pipeline can also be provided with air accumulator, and air accumulator can be arranged between gas pressurized device and the 3rd air valve.
The first gas componant detecting sensor is also provided with on the vent stack road of described gas cleaning plant or in suction line; In this situation, described step S3 specifically comprises: the first gas componant detecting sensor detects the gas componant of the gas to be clean sucked, and judges that whether gas to be clean is up to standard according to testing result; If gas to be clean is up to standard, perform step S6; If gas to be clean is not yet up to standard, perform step S4.
Described purification pipeline can also be provided with adjustable 6th air valve of valve opening degree; In this situation, described step S2 also comprises by regulating the valve opening degree of the 6th air valve thus regulating the step of gas inhalation flow to be clean.
Described gas cleaning plant can also be provided with reverse supercharging bursting device in the front end of the gas purifier of described purification pipeline; Described reverse supercharging bursting device comprises cavity, is provided with explosion fragmenting plate in described cavity, and described cavity separates as reverse supercharging chamber and air collecting chamber by this explosion fragmenting plate; The entrance of described air collecting chamber is connected with the end of suction line; The 5th air valve is also provided with in the exit in described reverse supercharging chamber; The outlet in described reverse supercharging chamber is connected with the front end of described 5th air valve; The rear end of described 5th air valve is connected with the front end of described gas purifier; Reverse supercharging device is also provided with in described reverse supercharging chamber; In this situation, described step S4 specifically comprises gas to be clean and enters purification pipeline from suction line; Close the 5th air valve, open described reverse supercharging device, to make the gas in reverse supercharging chamber through the fragmenting plate quick backflow that bursts to air collecting chamber; When after setting-up time, close described reverse supercharging device, open the 5th air valve, after entering reverse supercharging chamber by air collecting chamber again to make gas, enter into gas purifier through the 5th air valve; Gas purifier on purification pipeline purifies gas to be clean.
First described 5th air valve is closed, and make the work of described reverse supercharging device, because the pressure in reverse supercharging chamber sharply increases, the gas in reverse supercharging chamber can be made through the fragmenting plate quick backflow that bursts to air collecting chamber, thus be partially formed high temperature and high pressure environment in air collecting chamber, and with jet, this extreme environment can make the molecular scission of moisture or toxic and harmful, be conducive to follow-up gas purifier Purge gas; Then more described reverse supercharging device cuts out, the 5th air valve is opened, after making gas enter reverse supercharging chamber by air collecting chamber again, enters into gas purifier through the 5th air valve.
The second gas componant detecting sensor can also be provided with between the gas purifier of described gas cleaning plant and the 3rd air valve; In this situation, the method for described Purge gas also comprises the gas componant that the step B: the second gas componant detecting sensor detects the rear gas of purification between step S4 and step S5; The relatively testing result of the second gas componant detecting sensor and the testing result of the first gas componant detecting sensor, thus the gas-purifying capacity of gas-monitoring clarifier.
Claims (66)
1. a method for gas purification, utilizes a kind of gas cleaning plant to implement, it is characterized in that, described gas cleaning plant comprises the blow vent for connecting air chamber, and described blow vent is provided with Self-sealing valve; Also comprise vent stack road, air-breathing module, cleaning module and expiration module; Described blow vent is arranged at the head end on this vent stack road, end on this vent stack road connects the head end of air-breathing module and the end of expiration module respectively, the end of air-breathing module is connected with the head end of cleaning module, and the end of cleaning module is connected with the head end of expiration module; The vent stack road of described gas cleaning plant is also provided with the first air valve; The air-breathing module of described gas cleaning plant comprises suction line, and described suction line is provided with the second air valve; The expiration module of described gas cleaning plant comprises expiration pipeline, and described expiration pipeline is sequentially set with gas pressurized device and the 3rd air valve; Described method for gas purification comprises the steps:
Steps A, is connected the blow vent of described gas cleaning plant with air chamber, opens Self-sealing valve;
Step S2, inhalation step: air-breathing module sucks gas to be clean from air chamber;
Step S3, determining step: judge that whether gas to be clean is up to standard; If gas to be clean is up to standard, perform step S6; If gas to be clean is not yet up to standard, perform step S4;
Step S4, purifying step: the gas to be clean that cleaning module purification sucks from air chamber;
Step S5, expiration step: purified gas is poured into air chamber by expiration module, then performs step S2;
Step S6, terminates;
Described step S2 specifically comprises:
Step S21: open the first air valve;
Step S23: open the second air valve, gas to be clean enters suction line;
In described step S2, air-breathing module sucks the gas to be clean of scheduled volume from air chamber.
2. method for gas purification as claimed in claim 1, it is characterized in that, described method for gas purification also comprises step C: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the first air valve.
3. method for gas purification as claimed in claim 2, it is characterized in that, described method for gas purification also comprises step D after step c: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, close the step of the second air valve.
4. method for gas purification as claimed in claim 3, it is characterized in that, described method for gas purification also comprises step e after step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, opens the step of the 3rd air valve.
5. method for gas purification as claimed in claim 2, it is characterized in that, described method for gas purification also comprises step F after step c: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.
6. method for gas purification as claimed in claim 3, it is characterized in that, described method for gas purification also comprises step F after step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.
7. method for gas purification as claimed in claim 3, it is characterized in that, described method for gas purification also comprises step F between step C and step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.
8. method for gas purification as claimed in claim 4, it is characterized in that, described method for gas purification also comprises step F after step e: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, closes the step of the 3rd air valve.
9. method for gas purification as claimed in claim 8, it is characterized in that, described method for gas purification also comprises step G after step F: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, open the step of the first air valve.
10. method for gas purification as claimed in claim 5, it is characterized in that, described method for gas purification also comprises step G after step F: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, open the step of the first air valve.
11. method for gas purification as claimed in claim 6, it is characterized in that, described method for gas purification also comprises step G after step F: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, open the step of the first air valve.
12. method for gas purification as claimed in claim 7, it is characterized in that, described method for gas purification also comprises step G after step D: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is less than or equal to set point, open the step of the first air valve.
13. method for gas purification as claimed in claim 9, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
After step G, perform step H: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the 3rd air valve.
14. method for gas purification as claimed in claim 10, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
After step G, perform step H: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the 3rd air valve.
15. method for gas purification as claimed in claim 11, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
After step G, perform step H: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the 3rd air valve.
16. method for gas purification as claimed in claim 12, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
After step G, perform step H: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the 3rd air valve.
17. method for gas purification as claimed in claim 4, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
Step I is performed: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the first air valve after step e.
18. method for gas purification as claimed in claim 5, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
Step I is performed: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the first air valve after step F.
19. method for gas purification as claimed in claim 6, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
Step I is performed: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the first air valve after step F.
20. method for gas purification as claimed in claim 7, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
Step I is performed: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, open the step of the first air valve after step D.
21. method for gas purification as claimed in claim 18, it is characterized in that, described method for gas purification also comprises step J after step I: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, opens the step of the 3rd air valve.
22. method for gas purification as claimed in claim 19, it is characterized in that, described method for gas purification also comprises step J after step I: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, opens the step of the 3rd air valve.
23. method for gas purification as claimed in claim 20, it is characterized in that, described method for gas purification also comprises step J after step I: when the gas pressure in the expiration pipeline between gas pressurized device and the 3rd air valve is greater than set point, opens the step of the 3rd air valve.
24. method for gas purification as claimed in claim 14, it is characterized in that, described method for gas purification also comprises step L between step G and step H: the step of closing the second air valve.
25. method for gas purification as described in claim 1 to 24 any one, it is characterized in that, the cleaning module of described gas cleaning plant comprises purification pipeline, and described purification pipeline is provided with gas purifier;
Described step S4 specifically comprises gas to be clean and enters purification pipeline from suction line, and the gas purifier on purification pipeline purifies gas to be clean.
26. method for gas purification as claimed in claim 25, is characterized in that, be also provided with the first gas componant detecting sensor on the vent stack road of described gas cleaning plant or in suction line;
Described step S3 specifically comprises: the first gas componant detecting sensor detects the gas componant of the gas to be clean sucked, and judges that whether gas to be clean is up to standard according to testing result; If gas to be clean is up to standard, perform step S6; If gas to be clean is not yet up to standard, perform step S4.
27. method for gas purification as claimed in claim 26, is characterized in that, described purification pipeline are also provided with adjustable 6th air valve of valve opening degree;
Described step S2 also comprises by regulating the valve opening degree of the 6th air valve thus regulating the step of gas inhalation flow to be clean.
28. method for gas purification as claimed in claim 27, it is characterized in that, described gas cleaning plant is also provided with reverse supercharging bursting device in the front end of the gas purifier of described purification pipeline; Described reverse supercharging bursting device comprises cavity, is provided with explosion fragmenting plate in described cavity, and described cavity separates as reverse supercharging chamber and air collecting chamber by this explosion fragmenting plate; The entrance of described air collecting chamber is connected with the end of suction line; The 5th air valve is also provided with in the exit in described reverse supercharging chamber; The outlet in described reverse supercharging chamber is connected with the front end of described 5th air valve; The rear end of described 5th air valve is connected with the front end of described gas purifier; Reverse supercharging device is also provided with in described reverse supercharging chamber;
Described step S4 specifically comprises gas to be clean and enters purification pipeline from suction line; Close the 5th air valve, open described reverse supercharging device, to make the gas in reverse supercharging chamber through the fragmenting plate quick backflow that bursts to air collecting chamber; When after setting-up time, close described reverse supercharging device, open the 5th air valve, after entering reverse supercharging chamber by air collecting chamber again to make gas, enter into gas purifier through the 5th air valve; Gas purifier on purification pipeline purifies gas to be clean.
29. method for gas purification as claimed in claim 28, is characterized in that, are also provided with the second gas componant detecting sensor between the gas purifier of described gas cleaning plant and the 3rd air valve;
Step B: the second gas componant detecting sensor that described method for gas purification also comprises between step S4 and step S5 detects the gas componant of the rear gas of purification; The relatively testing result of the second gas componant detecting sensor and the testing result of the first gas componant detecting sensor, thus the gas-purifying capacity of gas-monitoring clarifier.
30. method for gas purification as claimed in claim 29, it is characterized in that, described gas cleaning plant also comprises vacuum-pumping pipeline; Described vacuum-pumping pipeline is sequentially set with the 4th air valve and vacuum pumping pump, described vacuum pumping pump rear end is provided with exhaust outlet; The rear end of the 4th air valve is connected with the front end of vacuum pumping pump, and the front end of the 4th air valve is communicated with vent stack road, air-breathing module, cleaning module or expiration module;
Described method for gas purification also comprised step S1 before steps A: the step vacuumized.
31. method for gas purification as claimed in claim 30, it is characterized in that, described step S1 specifically comprises: close Self-sealing valve, open all air valves except Self-sealing valve, and then unlatching vacuum pumping pump carries out vacuum pumping to vacuum degree to gas cleaning plant is predetermined value.
32. method for gas purification as claimed in claim 29, it is characterized in that, described gas cleaning plant also comprises vacuum-pumping pipeline; Described vacuum-pumping pipeline is sequentially set with the 4th air valve and vacuum pumping pump, described vacuum pumping pump rear end is provided with exhaust outlet; The rear end of the 4th air valve is connected with the front end of vacuum pumping pump, and the front end of the 4th air valve is communicated with vent stack road, air-breathing module, cleaning module or expiration module;
Described method for gas purification also comprises step S1 between steps A and step S2: the step vacuumized.
33. method for gas purification as claimed in claim 32, is characterized in that, close the first air valve, open all air valves except the first air valve, and then unlatching vacuum pumping pump carries out vacuum pumping to vacuum degree to gas cleaning plant is predetermined value.
34. method for gas purification as claimed in claim 1, is characterized in that, described expiration pipeline is also provided with air accumulator between gas pressurized device and the 3rd air valve.
35. method for gas purification as claimed in claim 34, it is characterized in that, described method for gas purification also comprises step C: when the gas pressure in air accumulator is less than or equal to set point, close the step of the first air valve.
36. method for gas purification as claimed in claim 35, it is characterized in that, described method for gas purification also comprises step D after step c: when the gas pressure in air accumulator is less than or equal to set point, close the step of the second air valve.
37. method for gas purification as claimed in claim 36, it is characterized in that, described method for gas purification also comprises step e after step D: when the gas pressure in air accumulator is less than or equal to set point, opens the step of the 3rd air valve.
38. method for gas purification as claimed in claim 35, it is characterized in that, described method for gas purification also comprises step F after step c: when the gas pressure in air accumulator is less than or equal to set point, closes the step of the 3rd air valve.
39. method for gas purification as claimed in claim 36, it is characterized in that, described method for gas purification also comprises step F after step D: when the gas pressure in air accumulator is less than or equal to set point, closes the step of the 3rd air valve.
40. method for gas purification as claimed in claim 36, it is characterized in that, described method for gas purification also comprises step F between step C and step D: when the gas pressure in air accumulator is less than or equal to set point, closes the step of the 3rd air valve.
41. method for gas purification as claimed in claim 37, it is characterized in that, described method for gas purification also comprises step F after step e: when the gas pressure in air accumulator is less than or equal to set point, closes the step of the 3rd air valve.
42. method for gas purification as claimed in claim 41, it is characterized in that, described method for gas purification also comprises step G after step F: when the gas pressure in air accumulator is less than or equal to set point, open the step of the first air valve.
43. method for gas purification as claimed in claim 38, it is characterized in that, described method for gas purification also comprises step G after step F: when the gas pressure in air accumulator is less than or equal to set point, open the step of the first air valve.
44. method for gas purification as claimed in claim 39, it is characterized in that, described method for gas purification also comprises step G after step F: when the gas pressure in air accumulator is less than or equal to set point, open the step of the first air valve.
45. method for gas purification as claimed in claim 40, it is characterized in that, described method for gas purification also comprises step G after step D: when the gas pressure in air accumulator is less than or equal to set point, open the step of the first air valve.
46. method for gas purification as claimed in claim 42, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
After step G, perform step H: when the gas pressure in air accumulator is greater than set point, open the step of the 3rd air valve.
47. method for gas purification as claimed in claim 43, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
After step G, perform step H: when the gas pressure in air accumulator is greater than set point, open the step of the 3rd air valve.
48. method for gas purification as claimed in claim 44, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
After step G, perform step H: when the gas pressure in air accumulator is greater than set point, open the step of the 3rd air valve.
49. method for gas purification as claimed in claim 45, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
After step G, perform step H: when the gas pressure in air accumulator is greater than set point, open the step of the 3rd air valve.
50. method for gas purification as claimed in claim 37, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
Step I is performed: when the gas pressure in air accumulator is greater than set point, open the step of the first air valve after step e.
51. method for gas purification as claimed in claim 38, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
Step I is performed: when the gas pressure in air accumulator is greater than set point, open the step of the first air valve after step F.
52. method for gas purification as claimed in claim 39, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
Step I is performed: when the gas pressure in air accumulator is greater than set point, open the step of the first air valve after step F.
53. method for gas purification as claimed in claim 40, it is characterized in that, the step S5 of described method for gas purification specifically comprises:
Step I is performed: when the gas pressure in air accumulator is greater than set point, open the step of the first air valve after step D.
54. method for gas purification as claimed in claim 51, it is characterized in that, described method for gas purification also comprises step J after step I: when the gas pressure in air accumulator is greater than set point, opens the step of the 3rd air valve.
55. method for gas purification as claimed in claim 52, it is characterized in that, described method for gas purification also comprises step J after step I: when the gas pressure in air accumulator is greater than set point, opens the step of the 3rd air valve.
56. method for gas purification as claimed in claim 53, it is characterized in that, described method for gas purification also comprises step J after step I: when the gas pressure in air accumulator is greater than set point, opens the step of the 3rd air valve.
57. method for gas purification as claimed in claim 47, it is characterized in that, described method for gas purification also comprises step L between step G and step H: the step of closing the second air valve.
58. method for gas purification as described in claim 34 to 57 any one, it is characterized in that, the cleaning module of described gas cleaning plant comprises purification pipeline, and described purification pipeline is provided with gas purifier;
Described step S4 specifically comprises gas to be clean and enters purification pipeline from suction line, and the gas purifier on purification pipeline purifies gas to be clean.
59. method for gas purification as claimed in claim 58, is characterized in that, be also provided with the first gas componant detecting sensor on the vent stack road of described gas cleaning plant or in suction line;
Described step S3 specifically comprises: the first gas componant detecting sensor detects the gas componant of the gas to be clean sucked, and judges that whether gas to be clean is up to standard according to testing result; If gas to be clean is up to standard, perform step S6; If gas to be clean is not yet up to standard, perform step S4.
60. method for gas purification as claimed in claim 59, is characterized in that, described purification pipeline are also provided with adjustable 6th air valve of valve opening degree;
Described step S2 also comprises by regulating the valve opening degree of the 6th air valve thus regulating the step of gas inhalation flow to be clean.
61. method for gas purification as claimed in claim 60, it is characterized in that, described gas cleaning plant is also provided with reverse supercharging bursting device in the front end of the gas purifier of described purification pipeline; Described reverse supercharging bursting device comprises cavity, is provided with explosion fragmenting plate in described cavity, and described cavity separates as reverse supercharging chamber and air collecting chamber by this explosion fragmenting plate; The entrance of described air collecting chamber is connected with the end of suction line; The 5th air valve is also provided with in the exit in described reverse supercharging chamber; The outlet in described reverse supercharging chamber is connected with the front end of described 5th air valve; The rear end of described 5th air valve is connected with the front end of described gas purifier; Reverse supercharging device is also provided with in described reverse supercharging chamber;
Described step S4 specifically comprises gas to be clean and enters purification pipeline from suction line; Close the 5th air valve, open described reverse supercharging device, to make the gas in reverse supercharging chamber through the fragmenting plate quick backflow that bursts to air collecting chamber; When after setting-up time, close described reverse supercharging device, open the 5th air valve, after entering reverse supercharging chamber by air collecting chamber again to make gas, enter into gas purifier through the 5th air valve; Gas purifier on purification pipeline purifies gas to be clean.
62. method for gas purification as claimed in claim 61, is characterized in that, are also provided with the second gas componant detecting sensor between the gas purifier of described gas cleaning plant and the 3rd air valve;
Step B: the second gas componant detecting sensor that described method for gas purification also comprises between step S4 and step S5 detects the gas componant of the rear gas of purification; The relatively testing result of the second gas componant detecting sensor and the testing result of the first gas componant detecting sensor, thus the gas-purifying capacity of gas-monitoring clarifier.
63. method for gas purification as claimed in claim 62, it is characterized in that, described gas cleaning plant also comprises vacuum-pumping pipeline; Described vacuum-pumping pipeline is sequentially set with the 4th air valve and vacuum pumping pump, described vacuum pumping pump rear end is provided with exhaust outlet; The rear end of the 4th air valve is connected with the front end of vacuum pumping pump, and the front end of the 4th air valve is communicated with vent stack road, air-breathing module, cleaning module or expiration module;
Described method for gas purification also comprised step S1 before steps A: the step vacuumized.
64. method for gas purification as described in claim 63, it is characterized in that, described step S1 specifically comprises: close Self-sealing valve, open all air valves except Self-sealing valve, and then unlatching vacuum pumping pump carries out vacuum pumping to vacuum degree to gas cleaning plant is predetermined value.
65. method for gas purification as claimed in claim 62, it is characterized in that, described gas cleaning plant also comprises vacuum-pumping pipeline; Described vacuum-pumping pipeline is sequentially set with the 4th air valve and vacuum pumping pump, described vacuum pumping pump rear end is provided with exhaust outlet; The rear end of the 4th air valve is connected with the front end of vacuum pumping pump, and the front end of the 4th air valve is communicated with vent stack road, air-breathing module, cleaning module or expiration module;
Described method for gas purification also comprises step S1 between steps A and step S2: the step vacuumized.
66. method for gas purification as described in claim 65, is characterized in that, close the first air valve, open all air valves except the first air valve, and then opening vacuum pumping pump, to carry out vacuum pumping to vacuum degree to gas cleaning plant is predetermined value.
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| PCT/CN2016/075587 WO2016141854A1 (en) | 2015-03-06 | 2016-03-04 | Gas purification device and gas purification method thereof |
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| WO2016141854A1 (en) * | 2015-03-06 | 2016-09-15 | 西安北鱼智能科技有限公司 | Gas purification device and gas purification method thereof |
| CN106512671A (en) * | 2016-11-24 | 2017-03-22 | 黑龙江省电力科学研究院 | Electrified on-line dehumidifying and purifying system of sulfur hexafluoride electric equipment |
| CN110220116A (en) * | 2019-06-04 | 2019-09-10 | 凯盛光伏材料有限公司 | A kind of exhaust gas constant current processing system |
| CN117394183A (en) * | 2023-10-16 | 2024-01-12 | 武汉朗德电气有限公司 | Automatic gas maintenance device for gas-insulated switchgear |
| CN117394183B (en) * | 2023-10-16 | 2024-04-05 | 武汉朗德电气有限公司 | Automatic gas maintenance device for gas-insulated switchgear |
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