CN110420546A - SF6The exceeded in-situ processing device and method of mutual inductor micro-water content - Google Patents

SF6The exceeded in-situ processing device and method of mutual inductor micro-water content Download PDF

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Publication number
CN110420546A
CN110420546A CN201910542492.XA CN201910542492A CN110420546A CN 110420546 A CN110420546 A CN 110420546A CN 201910542492 A CN201910542492 A CN 201910542492A CN 110420546 A CN110420546 A CN 110420546A
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China
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valve
gas
mutual inductor
connect
tank
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CN201910542492.XA
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CN110420546B (en
Inventor
张磊
陈梁远
黎大健
赵坚
张玉波
颜海俊
余长厅
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Electric Power Research Institute of Guangxi Power Grid Co Ltd
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Electric Power Research Institute of Guangxi Power Grid Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • B01D53/261Drying gases or vapours by adsorption
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Drying Of Gases (AREA)

Abstract

The invention discloses a kind of exceeded in-situ processing device of SF6 mutual inductor micro-water content, the first valve is connect with mutual inductor, and is connect respectively with the second valve, third valve, the 9th valve;Second valve is connect with the first gas tank;Third valve is connect with the first storage tank;First storage tank is connect with the 4th valve, and the 4th valve is connect with drying chamber;Drying chamber is connect with the 5th valve, and the 5th valve is connect with compressor inlet end, and compressor outlet side is connect with the 6th valve;6th valve is connect with the 7th valve, the second storage tank respectively;7th valve is connect with vacuum pump inlet end, and vacuum pump outlet side is communicated with the atmosphere;One is provided between 7th valve and vacuum pump for detecting this section of air pressure second pressure gauge;Second storage tank is connect with the 8th valve, and the 8th valve is separately connected with the 9th valve, the tenth valve respectively;Tenth valve is connect with the second gas tank.The SF6 gas in mutual inductor can be dried under not power-off condition, structure is simple, easy to operate.

Description

SF6The exceeded in-situ processing device and method of mutual inductor micro-water content
Technical field
The present invention relates to power equipment SF6Drying Treatment Technology field, in particular to a kind of SF6Mutual inductor micro-water content is super Mark in-situ processing device and method.
Background technique
SF6Gas-insulated transformer is because its superior electric property is widely adopted, with SF6Mutual inductor is answered in power grid Increase, mutual inductor micro-water content is exceeded in rising trend with the defect of excessively rapid growth, once mutual inductor internal wetted, electrically Intensity will be decreased obviously, and seriously affect equipment safety operation.Find SF successively in recent years6Mutual inductor moisture content has generally exceeded the standard, In the process of running, the presence of excessively high humidity and SF6Decomposition reaction generates the risk of the extremely strong acidic materials of corrosivity, will be serious Equipment internal metal parts and sealed insulating material performance are influenced, apparatus insulated reduced performance is caused, shortens service life of equipment.
Occurs SF at present6The method taken after mutual inductor micro-water content is exceeded is: 1) live ventilation processing.This is generally to adopt Mode, the moisture in this method energy dry gas, but the processing that need to have a power failure;2) factory and office's reason is returned.This method ratio more thoroughly, but week Phase is long, at high cost, influences power off time.To SF6The processing mode that excessive water content processing uses is that equipment is had a power failure, place The reason time is long, process flow is more complex.
Summary of the invention
To solve the above problems, the present invention adopts the following technical scheme that realization:
A kind of SF6The exceeded in-situ processing device of mutual inductor micro-water content, including the first valve, the second valve, the first gas tank, third Valve, first pressure gauge, the first storage tank, the 4th valve, drying chamber, the 5th valve, compressor, the 6th valve, vacuum pump, Two pressure gauges, the 7th valve, the second storage tank, the 8th valve, the 9th valve, the tenth valve, the second gas tank;
One end of first valve is connect with mutual inductor, the first valve other end respectively with one end of the second valve, third valve One end connection of one end, the 9th valve of door;
The other end of second valve is connect with the first gas tank;
The other end of the third valve is connect with one end of the first storage tank, is also set between third valve and the first storage tank One is equipped with for detecting the first pressure gauge of this section of tracheal pressure;
The other end of first storage tank is connect with one end of the 4th valve, the other end of the 4th valve and one end of drying chamber Connection;
The other end of the drying chamber is connect with one end of the 5th valve, and the other end of the 5th valve and the inlet end of compressor connect It connects, the outlet side of compressor is connect with one end of the 6th valve;
The other end of 6th valve is connect with one end of one end of the 7th valve, the second storage tank respectively;
The other end of 7th valve and the inlet end of vacuum pump connect, and the outlet side of vacuum pump is communicated with the atmosphere;
One is provided between 7th valve and vacuum pump for detecting the second pressure gauge of this section of air pressure;
The other end of second storage tank is connect with one end of the 8th valve, the other end of the 8th valve respectively with the 9th valve The other end, the tenth valve one end be separately connected;
The other end of tenth valve is connect with the second gas tank.
Preferably, the SF filled with high-purity in first gas tank6Gas or N2Gas.
Preferably, adsorbent is filled in the drying chamber, for absorbing moisture.
It preferably, further include control unit, the input terminal of the control unit letter with first pressure gauge, second pressure gauge respectively Number output end connection, for reading pressure value;
The output end of control unit respectively with the first valve, the second valve, third valve, the 4th valve, the 5th valve, the 6th valve Door, the 7th valve, the 8th valve, the 9th valve, the tenth valve are separately connected, for controlling the movement of each valve;
The output end of control unit is also connect with compressor, vacuum pump, for controlling the operation of compressor and vacuum pump.
Preferably, pressure value can intuitively be shown and can will be pressed by cable or wire by the first pressure gauge Force signal is transferred to control unit;
Pressure value can intuitively be shown and can be transmitted pressure signal by cable or wire by the second pressure gauge To control unit.
Preferably, first valve, the second valve, third valve, the 4th valve, the 5th valve, the 6th valve, the 7th Valve, the 8th valve, the 9th valve, the tenth valve are normal-closed electromagnetic valve.
For ease of operation, the present invention provides one kind to be based on above-mentioned SF6The exceeded in-situ processing dress of mutual inductor micro-water content The SF set6The exceeded field treatment method of mutual inductor micro-water content, comprising the following steps:
S1, vacuumize and make condensation vapor: control third valve, the 4th valve, the 9th valve, the 8th valve, the 7th valve are in Electric-opening state, the operation of vacuum pump startup is then controlled again, so that gas is through drying chamber, the 4th valve, the first storage tank, the Three valves, the 9th valve, the 8th valve, the second storage tank, the 7th valve are finally discharged from vacuum pump, finally reach pipeline and tank Intracorporal air pressure reduces condensation vapor into liquid;
S2, exhaust dehumidifying: complete S1 vacuumize make condensation vapor operate after, then control unit control the second valve, third Valve, the 4th valve, the 5th valve, the 6th valve, the 8th valve, the tenth valve obtain electric opening, and control compressor and obtain electric fortune Row, so that SF6Gas or N2Gas passes through the second valve, third valve, the first storage tank, the 4th valve, drying from the first gas tank Tank, the 5th valve, compressor, the 6th valve, the second storage tank, the 8th valve, the tenth valve enter the second gas tank;In SF6 Gas or N2In gas flow, absorption step S1 vacuumizes the steam of condensation and is taken away, and is ultimately stored on the second gas In tank, after the operation of certain time, all solenoid valves and compressor power-off are controlled;
S3, SF is taken out from mutual inductor6Gas: it after the exhaust dehumidifying step for completing S2, controls the first valve and third valve obtains Electric-opening, so that the SF in mutual inductor6Gas enters in the first storage tank through the first valve and third valve;Work as first pressure The pressure value that table detects, which reaches mutual inductor, allows control third valve when minimum pressure to turn off, and completion is taken out from mutual inductor SF6The step of gas;
S4、SF6Gas dehumidification reflux: it completes S3 and takes out SF from mutual inductor6After gas step, the 4th valve, the 5th valve are controlled Door, the 6th valve, the 8th valve, the 9th valve obtain electric opening, and control compressor start, so that the SF in the first storage tank6 Gas through the 4th valve, drying chamber, the 5th valve, compressor, the 6th valve, the second storage tank, the 8th valve, the 9th valve, First valve returns in mutual inductor;
In SF6During gas flows, by absorbing moisture by the adsorbent in drying chamber when drying chamber, to realize dehumidifying Dry purpose.
Preferably, air pressure described in step S1 reduces, which is 0.1MPa.
Preferably, mutual inductor described in step S3 allows minimum pressure to be 0.3 MPa.
The present invention can be realized only with several tank bodies and valve can be to SF without power-off6Mutual inductor gas is done Dry processing, used method is also simple easy to accomplish, therefore not only dexterously solves the SF encountered in actual application6 Gas humidity is exceeded and does not allow the problem handled that has a power failure, for ensureing that equipment safety, electric power are reliably supplied and be of great significance, With extensive application value.
Detailed description of the invention
Fig. 1 is structure drawing of device provided by the invention;
Air flow path figure when Fig. 2 is vacuum pumping;
Air flow path figure when Fig. 3 is dehumidification operation;
Air flow path figure when Fig. 4 is charge operation;
Fig. 5 is air flow path figure when dehumidifying reflux operation.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application embodiment clearer, implement below in conjunction with the application Attached drawing 1 ~ 5 in mode, is clearly and completely described the technical solution in the application embodiment, it is clear that described Embodiment is a part of embodiment of the application, rather than whole embodiments.Based on the embodiment in the application, originally Field those of ordinary skill every other embodiment obtained without creative efforts, belongs to this Shen The range that please be protect.Therefore, the detailed description of the presently filed embodiment provided in the accompanying drawings is not intended to limit below Claimed scope of the present application, but it is merely representative of the selected embodiment of the application.Based on the embodiment party in the application Formula, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all belongs to In the range of the application protection.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of It describes the application and simplifies description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy Fixed orientation construction and operation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present application, the meaning of " plurality " is two or more, Unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in this application.
In this application unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower" It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above " Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of First feature horizontal height is less than second feature.
As shown in Figure 1, a kind of SF6The exceeded in-situ processing device of mutual inductor micro-water content, including the first valve 2, the second valve Door the 3, first gas tank 4, third valve 5, first pressure gauge 6, the first storage tank 7, the 4th valve 8, drying chamber 9, the 5th valve 10, Compressor 11, the 6th valve 12, vacuum pump 13, second pressure gauge 14, the 7th valve 15, the second storage tank 16, the 8th valve 17, 9th valve 18, the tenth valve 19, the second gas tank 20.
It is automatically controlled for the ease of realizing, above-mentioned valve is all made of normal-closed electromagnetic valve, i.e. electromagnetic valve coil does not obtain Solenoid valve is the state closed when electric.Certainly, it if selection manually, can also use common hand-operated valve, does not do herein specific It limits.
One end of first valve 2 is connect by tracheae with mutual inductor 1, and 2 other end of the first valve passes through tracheae respectively with the One end connection of one end of two valves 3, one end of third valve 5, the 9th valve 18.
The other end of second valve 3 is connect by tracheae with the first gas tank 4.SF filled with high-purity in first gas tank 46Gas Body or N2Gas.
The other end of third valve 5 is connect by tracheae with one end of the first storage tank 7, is deposited in third valve 5 with first One is additionally provided on tracheae between storage tank 7 for detecting the first pressure gauge 6 of this section of tracheal pressure.
Pressure value can intuitively be shown and can be transmitted pressure signal by cable or wire by first pressure gauge 6 To control unit.
The other end of first storage tank 7 is connect by tracheae with one end of the 4th valve 8, the other end of the 4th valve 8 and One end of drying chamber 9 connects.
Adsorbent is filled in drying chamber 9, for absorbing moisture.
The other end of drying chamber 9 is connect by tracheae with one end of the 5th valve 10, and the other end of the 5th valve 10 passes through Tracheae is connect with the inlet end of compressor 11, and the outlet side of compressor 11 is connect by tracheae with one end of the 6th valve 12.
The other end of 6th valve 12 is connected with one end of one end of the 7th valve 15, the second storage tank 16 respectively by tracheae It connects;
The other end of 7th valve 15 is connect by tracheae with the inlet end of vacuum pump 13, and the outlet side of vacuum pump 13 and atmosphere connect It is logical.One is provided on tracheae between 7th valve 15 and vacuum pump 13 for detecting the second pressure gauge 14 of this section of air pressure.
Pressure value can intuitively be shown and can be passed pressure signal by cable or wire by second pressure gauge 14 It is defeated by control unit.
The other end of second storage tank 16 is connect by tracheae with one end of the 8th valve 17, the other end of the 8th valve 17 One end by tracheae respectively with the other end of the 9th valve 18, the tenth valve 19 is separately connected.
The other end of tenth valve 19 is connect by tracheae with the second gas tank 20.
The input terminal of control unit is connect with the signal output end of first pressure gauge 6, second pressure gauge 14 respectively, for reading Pressure force value.The output end of control unit is separately connected with the first to the tenth above-mentioned valve respectively, for controlling each valve Movement.Furthermore the output end of control unit is also connect with compressor 11, vacuum pump 13, for controlling compressor 11 and vacuum pump 13 operation.Control unit can realize control using PLC, have analog input and output, can easily realize pressure The reading of power and control to valve and compressor, vacuum pump.For example frequency converter can be cooperated real with analog output mode It, can be with directlying adopt contactor control now to the frequency control of compressor, vacuum pump.Since control mode is the side being in daily use Method does not do specific introduction without special feature herein.
In addition, carrying for convenience, SF6A shell can be set in the exceeded in-situ processing device of micro-water content, will be above-mentioned Valve, tank body and compressor, vacuum pump be disposed therein, in order to transport and safeguard.
It needs to the SF in mutual inductor 16When gas carries out dehumidification treatments, in total can be in four steps: vacuumizing makes water Vapour condensation, takes out SF at exhaust dehumidifying from mutual inductor6Gas and SF6Gas dehumidification reflux.Specifically:
In the initial state, all solenoid valves power off closing, and compressor 11 and vacuum pump 13 are in halted state.
1, vacuumizing makes condensation vapor: as shown in Fig. 2, control unit controls third valve 5, the 4th valve 8, the 9th valve 18, the 8th valve 17, the 7th valve 15 are in obtain electric-opening state, then control the starting operation of vacuum pump 13 again.
At this moment the gas circuit in device as shown with a dotted line in fig. 2, gas through drying chamber 9, the 4th valve 8, the first storage tank 7, Third valve 5, the 9th valve 18, the 8th valve 17, the second storage tank 16, the 7th valve 15 are finally discharged from vacuum pump 13.
When pipeline and tank intracorporal gas discharge, internal air pressure becomes smaller, pipeline and the intracorporal condensation vapor of tank at Liquid.Control unit, when the air pressure in pipeline reaches certain value, is just stopped above-mentioned by sampling to first pressure gauge 6 Vacuumize the operation for making condensation vapor.
Air pressure setting value can according to need adjustment, and the present embodiment is by taking 0.1MPa as an example, when the value of pressure gauge 6 reaches After 0.1MPa, control unit control vacuum pump 13, the 9th valve 18, the 7th valve 15 stop working, and the pumping for completing the first step is true Sky operates condensation vapor.
2, exhaust dehumidifying: complete the first step vacuumize make condensation vapor operate after, then control unit control the second valve Door 3, third valve 5, the 4th valve 8, the 5th valve 10, the 6th valve 12, the 8th valve 17, the tenth valve 19 obtain electric opening, And it controls compressor 11 and obtains electricity operation.
As shown in figure 3, the gas circuit in device is as shown in phantom in FIG., high-purity SF6Gas or N2Gas is from the first gas tank 4 By the second valve 3, third valve 5, the first storage tank 7, the 4th valve 8, drying chamber 9, the 5th valve 10, compressor 11, Six valves 12, the second storage tank 16, the 8th valve 17, the tenth valve 19 enter the second gas tank 20.By the behaviour of certain time After work, control unit controls all solenoid valves and compressor power-off, returns to original state.
In gas flow, absorbs the steam for vacuumizing condensation just now and taken away, be ultimately stored on the second gas In tank 20, so that the operation of dehumidifying is exhausted in complete twin conduit and each tank body.
Above-mentioned two step primarily to remove device pipeline and the intracorporal steam of tank and remove residual gas, so as to In subsequent to mutual inductor SF6Gas carries out dehumidification operation.
3, SF is taken out from mutual inductor6Gas: after completing exhaust dehumidifying step, control unit controls the first valve 2 and the Three valves 5 obtain electric-opening.
As shown in figure 4, due to the SF in mutual inductor 16Gas rated pressure is generally 0.35-0.4MPa, deposits higher than first Pressure in storage tank 7, therefore the SF in mutual inductor 16Gas enters the first storage tank 7 through the first valve 2 and third valve 5. When the pressure value of first pressure gauge 6, which reaches mutual inductor, allows minimum pressure, generally 0.3 MPa, control unit controls third Valve 5 turns off, and SF is taken out in completion from mutual inductor6The step of gas.
4、SF6Gas dehumidification reflux: SF is taken out in completion from mutual inductor6After gas step, control unit controls the 4th valve 8, the 5th valve 10, the 6th valve 12, the 8th valve 17, the 9th valve 18 obtain electric opening, and control the starting of compressor 11.
As shown in figure 5, the SF in the first storage tank 76Gas is through the 4th valve 8, drying chamber 9, the 5th valve 10, compressor 11, the 6th valve 12, the second storage tank 16, the 8th valve 17, the 9th valve 18, the first valve 2 return in mutual inductor 1.In SF6During gas flows, by absorbing moisture by the adsorbent in drying chamber 9 when drying chamber 9, to realize removal moisture drying Purpose.
In addition, in the SF of step 46In gas dehumidification reflux, more slow dehumanization method can also be used.It completes to walk After rapid 3, using the high feature of the pressure of the second storage tank of pressure ratio 16 of the first storage tank 7, the 4th valve 8, the 5th valve are controlled The 10, the 6th valve 12 of door is opened, and control compressor 11 slowly works, so that the gas slowly in the first storage tank 7 passes through Drying chamber 9 realizes the effect of abundant moisture absorption dehumidifying.After the pressure of the first storage tank 7 is equal with the pressure of the second storage tank 16, It is sent in mutual inductor 1 again.Its circuit is identical as the circuit of step 4.
Pass through the operation repeatedly of above-mentioned 4 steps, so that it may to the SF in mutual inductor 16Gas carries out at comprehensive drying Reason.Due to the present invention only with several tank bodies and valve can realize do not have to power-off can be to SF6Gas is dried, Used method is also simple easy to accomplish, therefore not only dexterously solves the SF encountered in actual application6Gas is wet It spends exceeded and the problem handled that has a power failure is not allowed to have wide for ensureing that equipment safety, electric power are reliably supplied and be of great significance General application value.

Claims (9)

1. a kind of SF6The exceeded in-situ processing device of mutual inductor micro-water content, it is characterised in that:
It is deposited including the first valve (2), the second valve (3), the first gas tank (4), third valve (5), first pressure gauge (6), first Storage tank (7), the 4th valve (8), drying chamber (9), the 5th valve (10), compressor (11), the 6th valve (12), vacuum pump (13), second pressure gauge (14), the 7th valve (15), the second storage tank (16), the 8th valve (17), the 9th valve (18), Ten valves (19), the second gas tank (20);
One end of first valve (2) is connect with mutual inductor (1), the first valve (2) other end respectively with the second valve (3) One end connection of one end, one end of third valve (5), the 9th valve (18);
The other end of second valve (3) is connect with the first gas tank (4);
The other end of the third valve (5) is connect with one end of the first storage tank (7), in third valve (5) and the first storage One is additionally provided between tank (7) for detecting the first pressure gauge (6) of this section of tracheal pressure;
The other end of first storage tank (7) is connect with one end of the 4th valve (8), the other end of the 4th valve (8) and dry One end of dry tank (9) connects;
The other end of the drying chamber (9) is connect with one end of the 5th valve (10), the other end of the 5th valve (10) and compression The inlet end of machine (11) connects, and the outlet side of compressor (11) is connect with one end of the 6th valve (12);
The other end of 6th valve (12) connects with one end of one end of the 7th valve (15), the second storage tank (16) respectively It connects;
The other end of 7th valve (15) is connect with the inlet end of vacuum pump (13), the outlet side of vacuum pump (13) and atmosphere Connection;
One is provided between 7th valve (15) and vacuum pump (13) for detecting the second pressure gauge (14) of this section of air pressure;
The other end of second storage tank (16) is connect with one end of the 8th valve (17), the other end point of the 8th valve (17) One end not with the other end of the 9th valve (18), the tenth valve (19) is separately connected;
The other end of tenth valve (19) is connect with the second gas tank (20).
2. SF according to claim 16The exceeded in-situ processing device of mutual inductor micro-water content, it is characterised in that:
SF filled with high-purity in first gas tank (4)6Gas or N2Gas.
3. SF according to claim 16The exceeded in-situ processing device of mutual inductor micro-water content, it is characterised in that:
Adsorbent is filled in the drying chamber (9), for absorbing moisture.
4. SF according to claim 16The exceeded in-situ processing device of mutual inductor micro-water content, it is characterised in that:
It further include control unit, the input terminal of control unit is defeated with the signal of first pressure gauge (6), second pressure gauge (14) respectively Outlet connection, for reading pressure value;
The output end of control unit respectively with the first valve (2), the second valve (3), third valve (5), the 4th valve (8), Five valves (10), the 6th valve (12), the 7th valve (15), the 8th valve (17), the 9th valve (18), the tenth valve (19) point It does not connect, for controlling the movement of each valve;
The output end of control unit is also connect with compressor (11), vacuum pump (13), for controlling compressor (11) and vacuum pump (13) operation.
5. SF according to claim 46The exceeded in-situ processing device of mutual inductor micro-water content, it is characterised in that:
Pressure value can intuitively be shown and can be passed pressure signal by cable or wire by the first pressure gauge (6) It is defeated by control unit;
Pressure value can intuitively be shown and can be by cable or wire by pressure signal by the second pressure gauge (14) It is transferred to control unit.
6. SF according to claim 16The exceeded in-situ processing device of mutual inductor micro-water content, it is characterised in that:
First valve (2), the second valve (3), third valve (5), the 4th valve (8), the 5th valve (10), the 6th valve (12), the 7th valve (15), the 8th valve (17), the 9th valve (18), the tenth valve (19) are normal-closed electromagnetic valve.
7. one kind is based on SF described in claim 1 ~ 66The SF of the exceeded in-situ processing device of mutual inductor micro-water content6Mutual inductor is micro- The exceeded field treatment method of water content, which comprises the following steps:
S1, it vacuumizes and makes condensation vapor: control third valve (5), the 4th valve (8), the 9th valve (18), the 8th valve (17), the 7th valve (15) is in obtain electric-opening state, vacuum pump (13) starting operation is then controlled again, so that gas is through drying Tank (9), the 4th valve (8), the first storage tank (7), third valve (5), the 9th valve (18), the 8th valve (17), second are deposited Storage tank (16), the 7th valve (15) are finally discharged from vacuum pump (13), finally reach pipeline and the intracorporal air pressure of tank reduces steam Condense into liquid;
S2, exhaust dehumidifying: after completing the vacuumizing and operate condensation vapor of S1, then control unit control the second valve (3), the Three valves (5), the 4th valve (8), the 5th valve (10), the 6th valve (12), the 8th valve (17), the tenth valve (19) obtain electric It opens, and controls compressor (11) and obtain electricity operation, so that SF6Gas or N2Gas from the first gas tank (4) by the second valve (3), Third valve (5), the first storage tank (7), the 4th valve (8), drying chamber (9), the 5th valve (10), compressor (11), the 6th Valve (12), the second storage tank (16), the 8th valve (17), the tenth valve (19) enter the second gas tank (20);In SF6Gas Or N2In gas flow, absorption step S1 vacuumizes the steam of condensation and is taken away, and is ultimately stored on the second gas tank (20) in, after the operation of certain time, all solenoid valves and compressor power-off are controlled;
S3, SF is taken out from mutual inductor6Gas: after the exhaust dehumidifying step for completing S2, the first valve (2) and third valve are controlled (5) electric-opening is obtained, so that the SF in mutual inductor (1)6Gas enters the first storage through the first valve (2) and third valve (5) In tank (7);Third valve (5) are controlled when the pressure value that first pressure gauge (6) detects, which reaches mutual inductor, allows minimum pressure SF is taken out in shutdown, completion from mutual inductor6The step of gas;
S4、SF6Gas dehumidification reflux: it completes S3 and takes out SF from mutual inductor6After gas step, the 4th valve (8), the 5th are controlled Valve (10), the 6th valve (12), the 8th valve (17), the 9th valve (18) obtain electric opening, and control compressor (11) starting, So that the SF in the first storage tank (7)6Gas through the 4th valve (8), drying chamber (9), the 5th valve (10), compressor (11), 6th valve (12), the second storage tank (16), the 8th valve (17), the 9th valve (18), the first valve (2) return mutual inductor (1) in;
In SF6During gas flows, by absorbing moisture by the adsorbent in drying chamber (9) when drying chamber (9), thus real The purpose of existing removal moisture drying.
8. SF according to claim 76The exceeded field treatment method of mutual inductor micro-water content, it is characterised in that:
Air pressure described in step S1 reduces, which is 0.1MPa.
9. SF according to claim 76The exceeded field treatment method of mutual inductor micro-water content, it is characterised in that:
Mutual inductor described in step S3 allows minimum pressure to be 0.3 MPa.
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