CN103745807B - Respirator and the control method of main transformer free of replacement hygroscopic agent is controlled with wired remote - Google Patents
Respirator and the control method of main transformer free of replacement hygroscopic agent is controlled with wired remote Download PDFInfo
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- CN103745807B CN103745807B CN201410004617.0A CN201410004617A CN103745807B CN 103745807 B CN103745807 B CN 103745807B CN 201410004617 A CN201410004617 A CN 201410004617A CN 103745807 B CN103745807 B CN 103745807B
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- 239000003230 hygroscopic agent Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000741 silica gel Substances 0.000 claims abstract description 142
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 142
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 141
- 230000000241 respiratory effect Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 230000001050 lubricating effect Effects 0.000 claims description 12
- 229920006395 saturated elastomer Polymers 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 8
- 230000008929 regeneration Effects 0.000 claims description 7
- 238000011069 regeneration method Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 235000006040 Prunus persica var persica Nutrition 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 240000006413 Prunus persica var. persica Species 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 244000144730 Amygdalus persica Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- -1 this Chemical compound 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention relates to a kind of respirator and the control method thereof that control main transformer free of replacement hygroscopic agent with wired remote, this respirator comprises 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, one branched pipe be provided with A electromagnetically operated valve and be connected with A silica gel tank, another branched pipe be provided with B electromagnetically operated valve and be connected with B silica gel tank; The discolour silica gel as hygroscopic material is all filled with in described A silica gel tank and B silica gel tank; The supervisor of described air-heater three-way pipe is connected with air-heater, a branched pipe is provided with C electromagnetically operated valve and is connected with A silica gel tank, another branched pipe is provided with D electromagnetically operated valve and is connected with B silica gel tank; The opening and closing of those electromagnetically operated valves and air-heater power supply are controlled by power-supply controller of electric wired remote.Present invention, avoiding great unsafe factor, the safe operation of powerful guarantee main transformer, it also avoid the waste and environmental pollution of changing human and material resources in hygroscopic agent process simultaneously.
Description
Technical field
The present invention relates to a kind of respirator and the control method that control main transformer free of replacement hygroscopic agent with wired remote.
Background technology
Main transformer is in operation, and can produce respiration by respiratory siphon and outside air, and as on respiratory siphon, nothing installs respirator, 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 hygroscopic fillers discolour silica gel moisture absorption is saturated; the hygroscopic agent needing staff to carry qualified drying or install qualified hygroscopic agent silica gel tank to the on-the-spot charged for replacement of main transformer; in Renewal process, main transformer respiratory siphon directly communicates with ambient atmosphere; main transformer respiratory air flow can be caused to change; the catastrophe failure of the heavy watt malfunction of main transformer Buchholz relay may be caused; therefore traditional main transformer respirator just can carry out after heavy for a main transformer watt protective device must being exited when changing adsorbent, and disengaging time reaches 4-5 hour.
A heavy watt protection is that main transformer runs one of most important protective device; when there is in contingency the fault producing oil stream or gas shock in main transformer; heavy watt of Buchholz relay can action; main transformer switch is tripped; the further expansion of Accident prevention, now heavy watt as exited, and can not cut off main transformer switch; cause fault spread, even cause the serious consequence that main transformer explodes.Moving back heavy watt protective device need after unit one belongs to chief engineer approval, is operated by operations staff's transformer station's master-control room of making a special trip to a certain place, work consuming, consuming time and expend a lot of.
Another shortcoming of tradition main transformer respirator is, when changing discolour silica gel, after unloading silica gel tank, main transformer respiratory air flow directly communicates with ambient atmosphere, make moisture, moisture easily breathe connecting leg by main transformer to invade in main transformer oil, and change hygroscopic agent and can cause waste, simultaneously also easy contaminated environment.
Summary of the invention
The present invention is directed to above-mentioned prior art Problems existing and make improvement, namely technical problem to be solved by this invention is to provide a kind of respirator and the control method that control main transformer free of replacement hygroscopic agent with wired remote, without the need to staff to the on-the-spot charged work carrying out replacing hygroscopic agent of main transformer, solve traditional main transformer respirator to need to exit heavy watt when changing during hygroscopic agent and protect and there is the problems such as potential safety hazard, overcome main transformer respiratory siphon and ambient atmosphere when unloading silica gel tank directly to communicate and extraneous moisture moisture is directly sucked by main transformer respiratory air flow and causes the defect of making moist, thus the safe operation of powerful guarantee main transformer, it also avoid simultaneously and change manpower in hygroscopic agent process, the waste of material resources and environmental pollution, huge advantage is had compared 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 controlling main transformer free of replacement hygroscopic agent with wired remote, 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, one branched pipe of described silica gel tank three-way pipe is provided with A electromagnetically operated valve and is connected with A silica gel tank, another branched pipe of described silica gel tank three-way pipe be provided with B electromagnetically operated valve 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, one branched pipe of described air-heater three-way pipe is provided with C electromagnetically operated valve and is connected with A silica gel tank, another branched pipe of described air-heater three-way pipe is provided with D electromagnetically operated valve and is connected with B silica gel tank, the opening and closing of those electromagnetically operated valves and air-heater power supply are by power-supply controller of electric Long-distance Control, are electrically connected between described power-supply controller of electric and those electromagnetically operated valves and air-heater by control cables line.
Further, described power-supply controller of electric is provided with the control switch of the opening and closing that five are used for the corresponding electromagnetically operated valve of Long-distance Control and air-heater respectively, wherein K1 switch control rule A electromagnetically operated valve, K2 switch control rule B electromagnetically operated valve, K3 switch control rule C electromagnetically operated valve, K4 switch control rule D electromagnetically operated valve, K5 switch control rule air-heater.
Further, those electromagnetically operated valves and air-heater are closed condition when access failure power supply, are opening after switching on power.
Further, in the control cubicle that described power-supply controller of electric is arranged on Substation control room or control panel, to carry out Remote operation.
Further, described air-heater provides moisture absorption saturated discolour silica gel blowing thermal regeneration in arbitrary silica gel tank is the hot dry wind of dry discolour silica gel.
Further, the glass structure of those silica gel tanks is the heat resistant glass that can bear 180 DEG C of temperature.
Further, described A silica gel tank and B silica gel tank include the tank body of depositing discolour silica gel and are threaded connection in tank body lower end and lubricating cup in order to deposit transformer oil, the bottom of described tank body is provided with a pneumostome, be provided with a filter screen in described pneumostome, 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 be arranged at above main transformer body, and the tube connector of described conservator and main transformer main body is provided with Buchholz relay, is provided with fuel outlet valve bottom described main transformer body.
In order to solve the problems of the technologies described above, technical scheme two of the present invention is: a kind of control method as above with the respirator of wired remote control main transformer free of replacement hygroscopic agent is as follows: during by power-supply controller of electric remote opening A electromagnetically operated valve, A silica gel tank is namely as the respirator of main transformer, now B closed electromagnetic valve, B silica gel tank is as subsequent use, respiratory air flow when main transformer and extraneous breathing carry secretly moisture by A silica gel tank, discolour silica gel adsorbs time, the color of discolour silica gel changes pink into gradually by blueness during drying, along with the increase of silica gel moisture absorption degree, change peach silica gel height into constantly to rise, when rising to the setting height place of discolour silica gel in A silica gel tank, first open B electromagnetically operated valve, using the respirator of B silica gel tank as main transformer, rear closedown A electromagnetically operated valve, A silica gel tank and main transformer respiratory siphon are isolated, open C electromagnetically operated valve again, open air-heater power supply and heated-air drying dehydration regeneration is carried out to the discolour silica gel that moisture absorption in A silica gel tank is saturated, along with the carrying out of dry run, blueness when the saturated discolour silica gel of moisture absorption changes drying into from pink gradually, when discolour silica gel color whole in A silica gel tank all changes blueness into, close air-heater power supply, close C electromagnetically operated valve, dry reproduction operation terminates, for subsequent use as next round of A silica gel tank, 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 main transformer respirator runs, when its hygroscopic agent moisture absorption is saturated, without the need to staff to the on-the-spot charged work carrying out replacing hygroscopic agent of main transformer, but control to switch by wired remote, circulation, regeneration discolour silica gel, remain the drying of main transformer respiratory air flow, avoid the great unsafe factor that need exit the heavy watt of protection of main transformer Buchholz relay because changing discolour silica gel like this, it also avoid when changing discolour silica gel causes main transformer directly to suck the hidden danger of air moisture, the safe operation of powerful guarantee main transformer, it also avoid simultaneously and change manpower in hygroscopic agent process, the waste of material resources and environmental pollution, huge advantage is had compared 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 circuit figure 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; K1, K2, K3, K4, K5-switch, L1, L2, L3, L4, L5-control cables line, 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 controlling main transformer free of replacement hygroscopic agent with wired remote, 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, one branched pipe of described silica gel tank three-way pipe 23 is provided with A electromagnetically operated valve 4 and is connected with A silica gel tank 1, another branched pipe of described silica gel tank three-way pipe 23 be provided with B electromagnetically operated valve 5 and be connected with B silica gel tank 3, in described A silica gel tank 1 and B silica gel tank 3, being all filled with the discolour silica gel 15 as hygroscopic material; The supervisor of described air-heater three-way pipe 24 is connected with air-heater 2, one branched pipe of described air-heater three-way pipe 24 is provided with C electromagnetically operated valve 6 and is connected with A silica gel tank 1, another branched pipe of described air-heater three-way pipe 24 is provided with D electromagnetically operated valve 7 and is connected with B silica gel tank 3, the opening and closing of those electromagnetically operated valves and air-heater 2 power supply are by power-supply controller of electric Long-distance Control, are electrically connected between described power-supply controller of electric and those electromagnetically operated valves and air-heater 2 by control cables line.
In the present embodiment, described power-supply controller of electric 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 power-supply controller of electric is provided with the control switch of the opening and closing that five are used for the corresponding electromagnetically operated valve of Long-distance Control and air-heater 2 respectively, wherein K1 switch control rule A electromagnetically operated valve 4, K2 switch control rule B electromagnetically operated valve 5, K3 switch control rule C electromagnetically operated valve 6, K4 switch control rule D electromagnetically operated valve 7, K5 switch control rule air-heater 2; Those electromagnetically operated valves and air-heater 2 are closed condition when access failure power supply, are opening after switching on power.
In the present embodiment, described air-heater 2 provides thermal regeneration of being dried by the saturated discolour silica gel of moisture absorption 15 in arbitrary silica gel tank to be the hot dry wind of dry discolour silica gel 15, and the glass structure of those silica gel tanks is by the heat resistant glass manufacture bearing 180 DEG C of temperature.Described A silica gel tank 1 and B silica gel tank 3 include the tank body 14 of depositing discolour silica gel 15 and are threaded connection in tank body 14 lower end and lubricating cup 16 in order to deposit transformer oil 17, the bottom of described tank body 14 is provided with a pneumostome 22, a filter screen 21 is provided with in described pneumostome 22, pneumostome 22 bottom described tank body 14 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 external air flow that main transformer sucks is by sucking in lubricating cup 16 in lubricating cup 16 and tank body 14 screw thread teeth space, suck air-flow and enter pneumostome 22 by oil sealing in lubricating cup 16, the part steam now sucking entrained with in air-flow is stopped by the oil in lubricating cup 16 and absorbs a part, inhaling air flows through pneumostome 22, to rise through after the hygroscopic agent discolour silica gel 15 in tank in main transformer respiratory siphon 8 to conservator 9, when passing through the discolour silica gel 15 in tank, the most moisture dried dose of discolour silica gel 15 sucking airflow entrainment adsorbed, make main transformer suck air-flow to keep dry, ensure that main transformer does not make moist, the air-flow that main transformer is breathed out oppositely is breathed out with suction air-flow, represent that main transformer conservator 9 sucks air-flow to upward arrow in Fig. 2, downward arrow represents main transformer conservator 9 exhaled air flow.
In the present embodiment, described main transformer respiratory siphon 8 is connected with conservator 9 top be arranged at above main transformer body, described conservator 9 and the tube connector 10 of main transformer main body 13 is provided with Buchholz relay 11, is provided with fuel outlet valve 12 bottom described main transformer body.
In the present embodiment, should be as follows with the control method of the respirator of wired remote control main transformer free of replacement hygroscopic agent: when connecting K1 to open A electromagnetically operated valve 4, A silica gel tank 1 is namely as the respirator of main transformer, and now B electromagnetically operated valve 5 cuts out, and B silica gel tank 3 is as subsequent use.Respiratory air flow when main transformer and extraneous breathing carry secretly moisture by A silica gel tank 1, discolour silica gel 15 adsorbs time, the color of discolour silica gel 15 changes pink (wavelength 620nm) into gradually by the blueness (wavelength 460nm) during drying, along with the increase of silica gel moisture absorption degree, change peach silica gel height into constantly to rise, when rising to setting height place (3/4 place as height) of discolour silica gel 15 in A silica gel tank 1, for ensureing that main transformer respiratory does not make moist, the reproduction operation of switching and discolour silica gel 15 need be carried out.Both the color of discolour silica gel 15 in silica gel tank can be observed to change by artificial remote monitoring, then manually switch, also can be detected the color change of discolour silica gel 15 in corresponding silica gel tank by the automatic wavelength detecting in scene, then automatically switch.Handoff procedure is as follows: first connect K2 to open B electromagnetically operated valve 5, using the respirator of B silica gel tank 3 as main transformer, rear disconnection K1 is to close A electromagnetically operated valve 4, A silica gel tank 1 and main transformer respiratory siphon 8 are isolated, connect K3 again to open C electromagnetically operated valve 6, connect K5 and carry out heated-air drying dehydration regeneration to open the discolour silica gel 15 that in air-heater 2 pairs of A silica gel tanks 1, moisture absorption is saturated; Along with the carrying out of dry run, blueness when the saturated discolour silica gel 15 of moisture absorption changes drying into from pink gradually, when discolour silica gel 15 color whole in A silica gel tank 1 all changes blueness into, disconnect K5 to close air-heater 2, disconnect K3 to close C electromagnetically operated valve 6, dry reproduction operation terminates, for subsequent use as next round of A silica gel tank 1.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 done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. one kind controls the respirator of main transformer free of replacement hygroscopic agent with wired remote, 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, one branched pipe of described silica gel tank three-way pipe is provided with A electromagnetically operated valve and is connected with A silica gel tank, another branched pipe of described silica gel tank three-way pipe be provided with B electromagnetically operated valve 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, one branched pipe of described air-heater three-way pipe is provided with C electromagnetically operated valve and is connected with A silica gel tank, another branched pipe of described air-heater three-way pipe is provided with D electromagnetically operated valve and is connected with B silica gel tank, the opening and closing of those electromagnetically operated valves and air-heater power supply are by power-supply controller of electric Long-distance Control, are electrically connected between described power-supply controller of electric and those electromagnetically operated valves and air-heater by control cables line.
2. the respirator controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1, it is characterized in that: described power-supply controller of electric is provided with the control switch of the opening and closing that five are used for the corresponding electromagnetically operated valve of Long-distance Control and air-heater respectively, wherein K1 switch control rule A electromagnetically operated valve, K2 switch control rule B electromagnetically operated valve, K3 switch control rule C electromagnetically operated valve, K4 switch control rule D electromagnetically operated valve, K5 switch control rule air-heater.
3. the respirator controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1 and 2, is characterized in that: those electromagnetically operated valves and air-heater are closed condition when access failure power supply, is opening after switching on power.
4. the respirator controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1 and 2, is characterized in that: in the control cubicle that described power-supply controller of electric is arranged on Substation control room or control panel, to carry out Remote operation.
5. the respirator controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1, is characterized in that: it is the hot dry wind of dry discolour silica gel that described air-heater provides moisture absorption saturated discolour silica gel blowing thermal regeneration in arbitrary silica gel tank.
6. the respirator controlling main transformer free of replacement hygroscopic agent with wired remote 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 DEG C of temperature.
7. the respirator controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1, it is characterized in that: described A silica gel tank and B silica gel tank include the tank body of depositing discolour silica gel and be threaded connection in tank body lower end and lubricating cup in order to deposit transformer oil, the bottom of described tank body is provided with a pneumostome, be provided with a filter screen in described pneumostome, the transformer oil that the pneumostome of the bottom of described tank body inserts in lubricating cup is interior to form oil sealing.
8. the respirator controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1, it is characterized in that: described main transformer respiratory siphon is connected with the top of the conservator be arranged at above main transformer body, the tube connector of described conservator and main transformer main body is provided with Buchholz relay, and the bottom of described main transformer body is provided with fuel outlet valve.
9. the control method controlling the respirator of main transformer free of replacement hygroscopic agent with wired remote according to any one of claim 1-8, it is characterized in that: during by power-supply controller of electric remote opening A electromagnetically operated valve, A silica gel tank is namely as the respirator of main transformer, now B closed electromagnetic valve, B silica gel tank is as subsequent use, respiratory air flow when main transformer and extraneous breathing carry secretly moisture by A silica gel tank, discolour silica gel adsorbs time, the color of discolour silica gel changes pink into gradually by blueness during drying, along with the increase of silica gel moisture absorption degree, change peach silica gel height into constantly to rise, when rising to the setting height place of discolour silica gel in A silica gel tank, first open B electromagnetically operated valve, using the respirator of B silica gel tank as main transformer, rear closedown A electromagnetically operated valve, A silica gel tank and main transformer respiratory siphon are isolated, open C electromagnetically operated valve again, open air-heater power supply and heated-air drying dehydration regeneration is carried out to the discolour silica gel that moisture absorption in A silica gel tank is saturated, along with the carrying out of dry run, blueness when the saturated discolour silica gel of moisture absorption changes drying into from pink gradually, when discolour silica gel color whole in A silica gel tank all changes blueness into, close air-heater power supply, close C electromagnetically operated valve, dry reproduction operation terminates, for subsequent use as next round of A silica gel tank, B silica gel tank is undertaken by this process equally, and cycle alternation reaches the object of free of replacement discolour silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410004617.0A CN103745807B (en) | 2014-01-06 | 2014-01-06 | Respirator and the control method of main transformer free of replacement hygroscopic agent is controlled with wired remote |
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| CN201410004617.0A CN103745807B (en) | 2014-01-06 | 2014-01-06 | Respirator and the control method of main transformer free of replacement hygroscopic agent is controlled with wired remote |
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| CN105355381B (en) * | 2015-11-25 | 2017-07-28 | 国网河南新野县供电公司 | The main transformer respirator and its application method of a kind of hygroscopic agent free of replacement |
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| CN107289976A (en) * | 2017-04-25 | 2017-10-24 | 山东电力设备有限公司 | The on-line monitoring and renovation process of a kind of electric power transformer breathing apparatus |
| CN108666093A (en) * | 2018-03-29 | 2018-10-16 | 国网上海市电力公司 | A kind of novel transformer dehydrating breather |
| 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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