CN103745808A - Moisture absorbent replacement-free breather provided with wireless remotely-controlled main transformer and control method - Google Patents
Moisture absorbent replacement-free breather provided with wireless remotely-controlled main transformer and control method Download PDFInfo
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- CN103745808A CN103745808A CN201410004649.0A CN201410004649A CN103745808A CN 103745808 A CN103745808 A CN 103745808A CN 201410004649 A CN201410004649 A CN 201410004649A CN 103745808 A CN103745808 A CN 103745808A
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention relates to a moisture absorbent replacement-free breather provided with a wireless remotely-controlled main transformer and a control method. The breather comprises a silica gel tank three-way tube and a hot-air blower three-way tube, wherein a main tube of the silica gel tank three-way tube is connected with a main transformer breathing tube, a branch tube is provided with an electromagnetic valve A which is connected with a silica gel tank A, and another branch tube is provided with an electromagnetic valve B and is connected with a silica gel tank B; the silica gel tank A and the silica gel tank B are filled with allochroic silica gel serving as a hygroscopic material; a main tube of the hot-air blower three-way tube is connected with a hot-air blower, a branch tube is provided with an electromagnetic valve C which is connected with the silica gel tank A, and another branch tube is provided with an electromagnetic valve D and is connected with the silica gel tank B; the opening and closing of the electromagnetic valves and the hot-air blower are controlled remotely in a wireless way through a remote control signal transmitter. By adopting the breather, major unsafe factors are avoided, and safe running of the main transformer is ensured effectively. Meanwhile, waste of manpower and material resources and environmental pollution caused in the replacing process of a moisture absorbent are avoided.
Description
Technical field
The present invention relates to a kind of respirator and control method with Wireless remote control main transformer free of replacement hygroscopic agent.
Background technology
Main transformer is in operation, and can produce respiration by respiratory siphon and outside air, as nothing on respiratory siphon, respirator is installed, and main transformer directly sucks extraneous humid air, more easily makes main transformer make moist especially in rainy day and high humidity weather.Tradition main transformer respirator is when its moisture absorption filler discolour silica gel moisture absorption is saturated; the silica gel tank that needs staff to carry qualified dry hygroscopic agent or install qualified hygroscopic agent is to the on-the-spot charged for replacement of main transformer; in Renewal process, main transformer respiratory siphon directly communicates with ambient atmosphere; can cause that main transformer respiratory air flow changes; the catastrophe failure that may cause the heavy watt malfunction of main transformer Buchholz relay; therefore traditional main transformer respirator just can carry out after the heavy watt protective device of main transformer must being exited when changing adsorbent, reaches 4-5 hour disengaging time.
A heavy watt protection is that main transformer moves one of most important protective device; when main transformer is when contingency occurs to produce the fault of oil stream or gas shock; Buchholz relay weight watt can move; make main transformer switch tripping operation; the further expansion of Accident prevention,, can not cut off main transformer switch by now heavy watt as exit; cause fault spread, even cause the serious consequence of main transformer blast.Move back after the heavy watt of protective device Xu Jing chief engineer of unit one belongs to approval, by operations staff's transformer station's master-control room of making a special trip to a certain place, operated, work consuming, consuming time and expend a lot of.
Another shortcoming of tradition main transformer respirator is, when changing discolour silica gel, to unload after silica gel tank, main transformer respiratory air flow directly communicates with ambient atmosphere, make moisture, moisture easily by main transformer, breathe connecting leg and invade in main transformer oil, and change hygroscopic agent and can cause waste, the while is easy contaminated environment also.
Summary of the invention
The problem that the present invention is directed to above-mentioned prior art existence is made improvement, be that technical problem to be solved by this invention is to provide a kind of respirator and control method with Wireless remote control main transformer free of replacement hygroscopic agent, without staff to the on-the-spot charged work of changing hygroscopic agent of main transformer, having solved traditional main transformer respirator need to exit heavy watt during hygroscopic agent and protect and have problems such as potential safety hazard when changing, overcome the defect that while unloading silica gel tank, main transformer respiratory siphon directly communicates and main transformer respiratory air flow directly sucked extraneous moisture moisture and cause making moist with ambient atmosphere, thereby powerful guarantee main transformer safe operation, also avoided manpower in replacing hygroscopic agent process simultaneously, the waste of material resources and environmental pollution, compared huge advantage with traditional main transformer respirator.
In order to solve the problems of the technologies described above, technical scheme one of the present invention is: a kind of respirator with Wireless remote control main transformer free of replacement hygroscopic agent, comprise silica gel tank three-way pipe and air-heater three-way pipe, the supervisor of described silica gel tank three-way pipe is connected with main transformer respiratory siphon, A electromagnetically operated valve is installed on one branched pipe of described silica gel tank three-way pipe and is connected with A silica gel tank, B electromagnetically operated valve be installed on another branched pipe of described silica gel tank three-way pipe and be connected with B silica gel tank, in described A silica gel tank and B silica gel tank, being all filled with the discolour silica gel as hygroscopic material; The supervisor of described air-heater three-way pipe is connected with air-heater, C electromagnetically operated valve is installed on one branched pipe of described air-heater three-way pipe and is connected with A silica gel tank, D electromagnetically operated valve is installed on another branched pipe of described air-heater three-way pipe and is connected with B silica gel tank, the opening and closing of those electromagnetically operated valves and air-heater are by remote-control signal transmitter, to launch respectively wireless control signal ripple to carry out Long-distance Control, are respectively equipped with the radio remote control switch that receives wireless control signal ripple controlled action on the control loop of those electromagnetically operated valves and air-heater.
Further, described remote-control signal transmitter is provided with the RPB of five opening and closing that are used for respectively Long-distance Control respective electrical magnet valve and air-heater, the wherein keying of the K1 ＇ switch on K1 button control A Electromagnetic Valve Circuit, the keying of the K2 ＇ switch on K2 button control B Electromagnetic Valve Circuit, the keying of the K3 ＇ switch on K3 button control C Electromagnetic Valve Circuit, the keying of the K4 ＇ switch on K4 button control D Electromagnetic Valve Circuit, the keying of the K5 ＇ switch on K5 button control air-heater loop.
Further, the ring current of the controlled unlatching of described K1 ＇ switch or disconnection A electromagnetically operated valve, the ring current of the controlled unlatching of described K2 ＇ switch or disconnection B electromagnetically operated valve, the ring current of the controlled unlatching of described K3 ＇ switch or disconnection C electromagnetically operated valve, the ring current of the controlled unlatching of described K4 ＇ switch or disconnection D electromagnetically operated valve, the power supply of the controlled unlatching of described K5 ＇ switch or disconnection air-heater; When those electromagnetically operated valves and air-heater power-off, being closed condition, is opening during energising.
Further, described remote-control signal transmitter is arranged in the control cubicle or control panel of Substation control chamber, to carry out Remote operation.
Further, described air-heater provides the saturated discolour silica gel blowing of moisture absorption in arbitrary silica gel tank thermal regeneration as being dried the hot dry wind of discolour silica gel.
Further, the glass structure of those silica gel tanks is the heat resistant glass that can bear 180 ℃ of temperature.
Further, described A silica gel tank and B silica gel tank include to be deposited the tank body of discolour silica gel and is threaded connection in tank body lower end and in order to deposit the lubricating cup of transformer oil, the bottom of described tank body is provided with a pneumostome, in described pneumostome, be provided with a filter screen, the transformer oil in the pneumostome insertion lubricating cup of described tank base is to form oil sealing.
Further, described main transformer respiratory siphon is connected with the conservator top that is arranged at main transformer body top, on the tube connector of described conservator and main transformer main body, Buchholz relay is installed, and described main transformer body bottom is provided with fuel outlet valve.
In order to solve the problems of the technologies described above, technical scheme two of the present invention is: a kind of control method of the respirator with Wireless remote control main transformer free of replacement hygroscopic agent as above is as follows: during by remote-control signal transmitter remote opening A electromagnetically operated valve, A silica gel tank is as the respirator of main transformer, B closed electromagnetic valve now, B silica gel tank is as standby, when the respiratory air flow of main transformer during with extraneous breathing carry secretly moisture by A silica gel tank in during discolour silica gel absorption, the blueness of the color of discolour silica gel when being dried changes pink gradually into, increase along with silica gel moisture absorption degree, changing peach silica gel height into constantly rises, in rising to A silica gel tank during the setting height place of discolour silica gel, first open B electromagnetically operated valve, respirator using B silica gel tank as main transformer, after close A electromagnetically operated valve, by A silica gel tank and the isolation of main transformer respiratory siphon, open again C electromagnetically operated valve, open air-heater power supply the saturated discolour silica gel of moisture absorption in A silica gel tank is carried out to heated-air drying dehydration regeneration, along with the carrying out of dry run, the saturated discolour silica gel of moisture absorption changes blueness when dry into from pink gradually, when in A silica gel tank, all discolour silica gel colors all change blueness into, close air-heater power supply, close C electromagnetically operated valve, dry reproduction operation finishes, and A silica gel tank is standby as next round, B silica gel tank is undertaken by this process equally, and cycle alternation reaches the object of free of replacement discolour silica gel.
Compared with prior art, the present invention has following beneficial effect: in service at main transformer respirator, when its hygroscopic agent moisture absorption is saturated, without staff to the on-the-spot charged work of changing hygroscopic agent of main transformer, but switch by Wireless remote control, circulation, regeneration discolour silica gel, remain the dry of main transformer respiratory air flow, avoid like this need exiting because changing discolour silica gel the great unsafe factor of the heavy watt protection of main transformer Buchholz relay, while also having avoided changing discolour silica gel, cause main transformer directly to suck the hidden danger of atmosphere moisture, the safe operation of powerful guarantee main transformer, also avoided manpower in replacing hygroscopic agent process simultaneously, the waste of material resources and environmental pollution, compared huge advantage with traditional main transformer respirator.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is silica gel tank respiratory schematic diagram.
Fig. 3 is that tank body separates schematic diagram with lubricating cup.
Fig. 4 is silica gel tank heating process schematic diagram.
Fig. 5 is the control principle drawing of the embodiment of the present invention.
In figure: 1-A silica gel tank, 2-air-heater, 3-B silica gel tank, 4-A electromagnetically operated valve, 5-B electromagnetically operated valve, 6-C electromagnetically operated valve, 7-D electromagnetically operated valve, 8-main transformer respiratory siphon, 9-conservator, 10-tube connector, 11-Buchholz relay, 12-fuel outlet valve, 13-main transformer main body, 14-tank body, 15-discolour silica gel, 16-lubricating cup, 17-transformer oil, 18-air bubble, 19-thread jacket, 20-thread, 21-filter screen, 22-pneumostome, 23-silica gel tank three-way pipe, 24-air-heater three-way pipe, 25-remote-control signal transmitter, 26-antenna; K1, K2, K3, K4, K5-RPB, K1 ＇, K2 ＇, K3 ＇, K4 ＇, K5 ＇-radio remote control switch, A, B, C, D-electromagnetically operated valve, P-air-heater, N-ground connection, ∽ 220V-alternating current 220V.
Embodiment
As shown in Fig. 1 ~ 5, a kind of respirator with Wireless remote control main transformer free of replacement hygroscopic agent, comprise silica gel tank three-way pipe 23 and air-heater three-way pipe 24, the supervisor of described silica gel tank three-way pipe 23 is connected with main transformer respiratory siphon 8, A electromagnetically operated valve 4 is installed on one branched pipe of described silica gel tank three-way pipe 23 and is connected with A silica gel tank 1, B electromagnetically operated valve 5 is installed on another branched pipe of described silica gel tank three-way pipe 23 and is connected with B silica gel tank 3, the interior discolour silica gel 15 being all filled with as hygroscopic material of described A silica gel tank 1 and B silica gel tank 3, the supervisor of described air-heater three-way pipe 24 is connected with air-heater 2, C electromagnetically operated valve 6 is installed on one branched pipe of described air-heater three-way pipe 24 and is connected with A silica gel tank 1, D electromagnetically operated valve 7 is installed on another branched pipe of described air-heater three-way pipe 24 and is connected with B silica gel tank 3, the opening and closing of those electromagnetically operated valves and air-heater 2 are by remote-control signal transmitter 25, to launch respectively wireless control signal ripple to carry out Long-distance Control, on the control loop of those electromagnetically operated valves and air-heater 2, be respectively equipped with the radio remote control switch that receives wireless control signal ripple controlled action by wireless network.
In the present embodiment, described remote-control signal transmitter 25 can be arranged in the control cubicle/control panel in transformer station's master-control room or other control room, to carry out Remote operation; Described remote-control signal transmitter 25 is provided with the RPB of five opening and closing that are used for respectively Long-distance Control respective electrical magnet valve and air-heater, the wherein keying of the K1 ＇ switch on K1 button control A electromagnetically operated valve 4 loops, the keying of the K2 ＇ switch on K2 button control B electromagnetically operated valve 5 loops, the keying of the K3 ＇ switch on K3 button control C electromagnetically operated valve 6 loops, the keying of the K4 ＇ switch on K4 button control D electromagnetically operated valve 7 loops, the keying of the K5 ＇ switch on K5 button control air-heater 2 loops.
In the present embodiment, the ring current of the controlled unlatching of described K1 ＇ switch or disconnection A electromagnetically operated valve 4, the ring current of the controlled unlatching of described K2 ＇ switch or disconnection B electromagnetically operated valve 5, the ring current of the controlled unlatching of described K3 ＇ switch or disconnection C electromagnetically operated valve 6, the ring current of the controlled unlatching of described K4 ＇ switch or disconnection D electromagnetically operated valve 7, the power supply of the controlled unlatching of described K5 ＇ switch or disconnection air-heater 2; When those electromagnetically operated valves and air-heater 2 power-off, being closed condition, is opening during energising.
In the present embodiment, the hot dry wind that it is dry discolour silica gel 15 that described air-heater 2 provides the saturated discolour silica gel 15 blowing thermal regenerations of moisture absorption in arbitrary silica gel tank, the glass structure of those silica gel tanks is by the heat resistant glass manufacture that can bear 180 ℃ of temperature.Described A silica gel tank 1 and B silica gel tank 3 include to be deposited the tank body 14 of discolour silica gel 15 and is threaded connection in tank body 14 lower ends and in order to deposit the lubricating cup 16 of transformer oil 17, the bottom of described tank body 14 is provided with a pneumostome 22, in described pneumostome 22, be provided with a filter screen 21, the pneumostome 22 of described tank body 14 bottoms inserts and fills in the lubricating cup 16 of transformer oil 17, and the oil in lubricating cup 16 forms oil sealing.
In the present embodiment, the extraneous air-flow that main transformer sucks is by sucking in lubricating cup 16 in lubricating cup 16 and tank body 14 screw thread teeth spaces, suck air-flow and by oil sealing, enter pneumostome 22 in lubricating cup 16, now sucking the part steam of carrying secretly in air-flow is stopped by the oil in lubricating cup 16 and absorbs a part of, the inhaling air pneumostome 22 of flowing through, rise by the hygroscopic agent discolour silica gel 15 in tank by main transformer respiratory siphon 8 to conservator 9, when the discolour silica gel 15 by tank, sucking most moisture that air-flow carries secretly agent discolour silica gel 15 that is dried adsorbs, making main transformer suck air-flow keeps dry, guarantee that main transformer does not make moist, the air-flow that main transformer is breathed out is oppositely breathed out with suction air-flow, in Fig. 2, to upward arrow, represent that main transformer conservator 9 sucks air-flow, arrow represents main transformer conservator 9 exhaled air flows downwards.
In the present embodiment, described main transformer respiratory siphon 8 is connected with conservator 9 tops that are arranged at main transformer body top, on the tube connector 10 of described conservator 9 and main transformer main body 13, Buchholz relay 11 is installed, and described main transformer body bottom is provided with fuel outlet valve 12.
In the present embodiment, this control method with the respirator of Wireless remote control main transformer free of replacement hygroscopic agent is as follows: by pressing the K1 button on remote-control signal transmitter 25, when the K1 ＇ switch on A electromagnetically operated valve 4 loops is connected in remote control, open the A electromagnetically operated valve 4 that A silica gel tank 1 is connected with main transformer respiratory siphon 8, A silica gel tank 1 is as the respirator of main transformer, now B electromagnetically operated valve 5 cuts out, and B silica gel tank 3 is as standby.When the respiratory air flow when main transformer is breathed with the external world is carried moisture by interior discolour silica gel 15 absorption of A silica gel tank 1 secretly, the blueness (wavelength 460nm) of the color of discolour silica gel 15 when being dried changes pink (wavelength 620nm) gradually into, increase along with silica gel moisture absorption degree, changing peach silica gel height into constantly rises, when rising to the setting height place (as 3/4 place of height) of A silica gel tank 1 interior discolour silica gel 15, for guaranteeing that main transformer respiratory does not make moist, and need switch the reproduction operation with discolour silica gel 15.Both can then manually be switched by the change color of discolour silica gel 15 in artificial remote monitoring observation silica gel tank, also can be detected by the automatic wavelength detecting in scene the change color of discolour silica gel 15 in corresponding silica gel tank, then automatically switched.Handoff procedure is as follows: first press the K2 button on remote-control signal transmitter 25, the K2 ＇ switch on B electromagnetically operated valve 3 loops is connected in remote control, open the B electromagnetically operated valve 5 that B silica gel tank 3 is connected with main transformer respiratory siphon 8, respirator using B silica gel tank 3 as main transformer, afterwards by the K1 button on remote-control signal transmitter 25, remote control disconnects the K1 ＇ switch on A electromagnetically operated valve 4 loops, close the A electromagnetically operated valve 4 that A silica gel tank 1 is connected with main transformer respiratory siphon 8, by A silica gel tank 1 and 8 isolation of main transformer respiratory siphon, press again the K3 button on remote-control signal transmitter 25, the K3 ＇ switch that remote control air-heater 2 leads on C electromagnetically operated valve 6 loops of A silica gel tank 1 is closed, open C electromagnetically operated valve 6, press the K5 button on remote-control signal transmitter 25, the K5 ＇ switch on air-heater 2 loops is connected in remote control, open 2 pairs of saturated discolour silica gels 15 of A silica gel tank 1 interior moisture absorption of air-heater and carry out heated-air drying dehydration regeneration, carrying out along with dry run, the saturated discolour silica gel 15 of moisture absorption changes blueness when dry into from pink gradually, when interior whole discolour silica gel 15 colors of A silica gel tank 1 all change blueness into, press the K5 button on remote-control signal transmitter 25, disconnect the K5 ＇ switch on air-heater 2 loops, close air-heater 2 power supplys, press again the K3 button on remote-control signal transmitter 25, disconnect the K3 ＇ switch on C electromagnetically operated valve 6 loops, close C electromagnetically operated valve 6, dry reproduction operation finishes, and A silica gel tank 1 is standby as next round.B silica gel tank 3 is undertaken by this process equally, and cycle alternation reaches the object of free of replacement discolour silica gel 15, and above operation is all carried out long-range, as transformer station's master-control room or other control room etc.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. the respirator with Wireless remote control main transformer free of replacement hygroscopic agent, it is characterized in that: comprise silica gel tank three-way pipe and air-heater three-way pipe, the supervisor of described silica gel tank three-way pipe is connected with main transformer respiratory siphon, A electromagnetically operated valve is installed on one branched pipe of described silica gel tank three-way pipe and is connected with A silica gel tank, B electromagnetically operated valve be installed on another branched pipe of described silica gel tank three-way pipe and be connected with B silica gel tank, in described A silica gel tank and B silica gel tank, being all filled with the discolour silica gel as hygroscopic material; The supervisor of described air-heater three-way pipe is connected with air-heater, C electromagnetically operated valve is installed on one branched pipe of described air-heater three-way pipe and is connected with A silica gel tank, D electromagnetically operated valve is installed on another branched pipe of described air-heater three-way pipe and is connected with B silica gel tank, the opening and closing of those electromagnetically operated valves and air-heater are by remote-control signal transmitter, to launch respectively wireless control signal ripple to carry out Long-distance Control, are respectively equipped with the radio remote control switch that receives wireless control signal ripple controlled action on the control loop of those electromagnetically operated valves and air-heater.
2. the respirator with Wireless remote control main transformer free of replacement hygroscopic agent according to claim 1, it is characterized in that: described remote-control signal transmitter is provided with the RPB of five opening and closing that are used for respectively Long-distance Control respective electrical magnet valve and air-heater, the wherein keying of the K1 ＇ switch on K1 button control A Electromagnetic Valve Circuit, the keying of the K2 ＇ switch on K2 button control B Electromagnetic Valve Circuit, the keying of the K3 ＇ switch on K3 button control C Electromagnetic Valve Circuit, the keying of the K4 ＇ switch on K4 button control D Electromagnetic Valve Circuit, the keying of the K5 ＇ switch on K5 button control air-heater loop.
3. the respirator with Wireless remote control main transformer free of replacement hygroscopic agent according to claim 1 and 2, it is characterized in that: the ring current of the controlled unlatching of described K1 ＇ switch or disconnection A electromagnetically operated valve, the ring current of the controlled unlatching of described K2 ＇ switch or disconnection B electromagnetically operated valve, the ring current of the controlled unlatching of described K3 ＇ switch or disconnection C electromagnetically operated valve, the ring current of the controlled unlatching of described K4 ＇ switch or disconnection D electromagnetically operated valve, the power supply of the controlled unlatching of described K5 ＇ switch or disconnection air-heater; When those electromagnetically operated valves and air-heater power-off, being closed condition, is opening during energising.
4. the respirator with Wireless remote control main transformer free of replacement hygroscopic agent according to claim 1 and 2, is characterized in that: described remote-control signal transmitter is arranged in the control cubicle or control panel of Substation control chamber, to carry out Remote operation.
5. the respirator with Wireless remote control main transformer free of replacement hygroscopic agent according to claim 1, is characterized in that: the hot dry wind that it is dry discolour silica gel that described air-heater provides the saturated discolour silica gel blowing of moisture absorption in arbitrary silica gel tank thermal regeneration.
6. the respirator with Wireless remote control main transformer free of replacement hygroscopic agent according to claim 1, is characterized in that: the glass structure of those silica gel tanks is the heat resistant glass that can bear 180 ℃ of temperature.
7. the respirator with Wireless remote control main transformer free of replacement hygroscopic agent according to claim 1, it is characterized in that: described A silica gel tank and B silica gel tank include to be deposited the tank body of discolour silica gel and is threaded connection in tank body lower end and in order to deposit the lubricating cup of transformer oil, the bottom of described tank body is provided with a pneumostome, in described pneumostome, be provided with a filter screen, the transformer oil in the pneumostome insertion lubricating cup of described tank base is to form oil sealing.
8. the respirator with Wireless remote control main transformer free of replacement hygroscopic agent according to claim 1, it is characterized in that: described main transformer respiratory siphon is connected with the conservator top that is arranged at main transformer body top, on the tube connector of described conservator and main transformer main body, Buchholz relay is installed, described main transformer body bottom is provided with fuel outlet valve.
9. according to the control method of the respirator with Wireless remote control main transformer free of replacement hygroscopic agent described in any one in claim 1-8, it is characterized in that: during by remote-control signal transmitter remote opening A electromagnetically operated valve, A silica gel tank is as the respirator of main transformer, B closed electromagnetic valve now, B silica gel tank is as standby, when the respiratory air flow of main transformer during with extraneous breathing carry secretly moisture by A silica gel tank in during discolour silica gel absorption, the blueness of the color of discolour silica gel when being dried changes pink gradually into, increase along with silica gel moisture absorption degree, changing peach silica gel height into constantly rises, in rising to A silica gel tank during the setting height place of discolour silica gel, first open B electromagnetically operated valve, respirator using B silica gel tank as main transformer, after close A electromagnetically operated valve, by A silica gel tank and the isolation of main transformer respiratory siphon, open again C electromagnetically operated valve, open air-heater power supply the saturated discolour silica gel of moisture absorption in A silica gel tank is carried out to heated-air drying dehydration regeneration, along with the carrying out of dry run, the saturated discolour silica gel of moisture absorption changes blueness when dry into from pink gradually, when in A silica gel tank, all discolour silica gel colors all change blueness into, close air-heater power supply, close C electromagnetically operated valve, dry reproduction operation finishes, and A silica gel tank is standby as next round, B silica gel tank is undertaken by this process equally, and cycle alternation reaches the object of free of replacement discolour silica gel.
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| CN201410004649.0A CN103745808B (en) | 2014-01-06 | 2014-01-06 | With respirator and the control method of Wireless remote control main transformer free of replacement hygroscopic agent |
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| CN104485205A (en) * | 2015-01-07 | 2015-04-01 | 国家电网公司 | Main transformer online regenerative breathing apparatus provided with wireless remote control microwave heating device and use method |
| CN104517705A (en) * | 2015-01-20 | 2015-04-15 | 国家电网公司 | Main transformer regeneration breather with photovoltaic conversion and bidirectional microwave heating functions and use method of breather |
| CN104517704A (en) * | 2015-01-20 | 2015-04-15 | 国家电网公司 | Wireless remote control and double microwave heating type regeneration main transformer breather and control method thereof |
| CN104538154A (en) * | 2015-01-20 | 2015-04-22 | 国家电网公司 | Double microwave heating main transformer regeneration breather with wired remote control and controlling method thereof |
| CN104575963A (en) * | 2015-01-07 | 2015-04-29 | 国家电网公司 | Main transformer on-line regenerative breathing apparatus with variable frequency control microwave heating device and use method |
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| CN104715897A (en) * | 2015-01-08 | 2015-06-17 | 国家电网公司 | On-line regeneration main transformer respirator provided with photovoltaic transition and cellular structure heating device and method |
| CN105355380A (en) * | 2015-11-25 | 2016-02-24 | 国网河南西峡县供电公司 | Transformer breather and method |
| WO2018196340A1 (en) * | 2017-04-25 | 2018-11-01 | 山东电力设备有限公司 | Online monitoring and regeneration system for power transformer breather |
| CN110706894A (en) * | 2019-09-27 | 2020-01-17 | 国网福建省电力有限公司邵武市供电公司 | Quick processing apparatus of vehicular owner's change respirator |
| CN110706895A (en) * | 2019-09-27 | 2020-01-17 | 国网福建省电力有限公司邵武市供电公司 | Rapid processing method for vehicle-mounted main transformer respirator |
| CN111282409A (en) * | 2020-04-08 | 2020-06-16 | 国网福建省电力有限公司南平供电公司 | Heat storage drying method for transformer main body moisture absorber |
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| CN104485205A (en) * | 2015-01-07 | 2015-04-01 | 国家电网公司 | Main transformer online regenerative breathing apparatus provided with wireless remote control microwave heating device and use method |
| CN104575963A (en) * | 2015-01-07 | 2015-04-29 | 国家电网公司 | Main transformer on-line regenerative breathing apparatus with variable frequency control microwave heating device and use method |
| CN104715897A (en) * | 2015-01-08 | 2015-06-17 | 国家电网公司 | On-line regeneration main transformer respirator provided with photovoltaic transition and cellular structure heating device and method |
| CN104538154A (en) * | 2015-01-20 | 2015-04-22 | 国家电网公司 | Double microwave heating main transformer regeneration breather with wired remote control and controlling method thereof |
| CN104517704A (en) * | 2015-01-20 | 2015-04-15 | 国家电网公司 | Wireless remote control and double microwave heating type regeneration main transformer breather and control method thereof |
| CN104517705A (en) * | 2015-01-20 | 2015-04-15 | 国家电网公司 | Main transformer regeneration breather with photovoltaic conversion and bidirectional microwave heating functions and use method of breather |
| CN104658228A (en) * | 2015-03-13 | 2015-05-27 | 国家电网公司 | Main barospirator with wireless remote-control infrared heating function and working method of main barospirator |
| CN104658228B (en) * | 2015-03-13 | 2018-08-17 | 国家电网公司 | Main transformer respirator and its working method with Wireless remote control infrared heating |
| CN105355380A (en) * | 2015-11-25 | 2016-02-24 | 国网河南西峡县供电公司 | Transformer breather and method |
| WO2018196340A1 (en) * | 2017-04-25 | 2018-11-01 | 山东电力设备有限公司 | Online monitoring and regeneration system for power transformer breather |
| CN110706894A (en) * | 2019-09-27 | 2020-01-17 | 国网福建省电力有限公司邵武市供电公司 | Quick processing apparatus of vehicular owner's change respirator |
| CN110706895A (en) * | 2019-09-27 | 2020-01-17 | 国网福建省电力有限公司邵武市供电公司 | Rapid processing method for vehicle-mounted main transformer respirator |
| CN111282409A (en) * | 2020-04-08 | 2020-06-16 | 国网福建省电力有限公司南平供电公司 | Heat storage drying method for transformer main body moisture absorber |
| CN111282409B (en) * | 2020-04-08 | 2024-02-09 | 国网福建省电力有限公司南平供电公司 | Heat storage drying method of transformer main body moisture absorber |
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