CN104575963A - Main transformer on-line regenerative breathing apparatus with variable frequency control microwave heating device and use method - Google Patents
Main transformer on-line regenerative breathing apparatus with variable frequency control microwave heating device and use method Download PDFInfo
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- CN104575963A CN104575963A CN201510004533.1A CN201510004533A CN104575963A CN 104575963 A CN104575963 A CN 104575963A CN 201510004533 A CN201510004533 A CN 201510004533A CN 104575963 A CN104575963 A CN 104575963A
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Abstract
The invention relates to a main transformer on-line regenerative breathing apparatus with a variable frequency control microwave heating device. The main transformer on-line regenerative breathing apparatus comprises a main transformer body and an oil conservator which is connected with the main transformer body, wherein the upper part of the oil conservator is connected with the upper end of a main transformer breathing tube; the lower end of the main transformer breathing tube is connected with a three-way tube; the rest two ends of the three-way tube are connected to a first moisture absorption tank and a second moisture absorption tank through the first valve and the second valve respectively; the first moisture absorption tank and the second moisture absorption tank are connected to the variable frequency control microwave heating device; the variable frequency control microwave heating device is electrically connected to a variable frequency microwave controller. A moisture absorbent is not required to be replaced; the main transformer on-line regenerative breathing apparatus has the advantages of higher heating efficiency, use safety, energy conservation, consumption reduction and the like; compared with the conventional main transformer breathing device, the apparatus has great advantages.
Description
Technical field
the present invention relates to main transformer on-line regeneration respirator field, particularly a kind of main transformer on-line regeneration respirator and using method with variable frequency control microwave heating equipment.
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 respiration apparatus is built with discolour silica gel hygroscopic agent; when its hygroscopic agent discolour silica gel moisture absorption is saturated; the hygroscopic agent needing staff to carry qualified drying or the moisture absorption tank installing qualified hygroscopic agent are changed to main transformer scene; 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 respiration apparatus just can carry out after heavy for a main transformer watt protective device must being exited when changing adsorbent, and disengaging time reaches 3-4 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.
One shortcoming of tradition main transformer respiration apparatus is, when changing discolour silica gel, after unloading moisture absorption 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
In view of this, the object of the invention is to propose a kind of main transformer on-line regeneration respirator and using method with variable frequency control microwave heating equipment, without the need to changing hygroscopic agent, there is the better efficiency of heating surface, use safety, the advantage such as energy-saving and cost-reducing, have huge advantage compared with traditional main transformer respiration apparatus.
Device of the present invention adopts following scheme to realize: a kind of main transformer on-line regeneration respirator with variable frequency control microwave heating equipment, comprise main transformer body and connected conservator, described conservator top is connected with the upper end of a main transformer respiratory siphon, the lower end of described main transformer respiratory siphon is connected with a three-way pipe, the remaining two ends of described three-way pipe are connected to the first moisture absorption tank and the second moisture absorption tank through the first valve and the second valve respectively, the first described moisture absorption tank and the second moisture absorption tank are connected to variable frequency control microwave heating equipment, described variable frequency control microwave heating equipment is electrically connected at variable frequency microwave controller.
Further, described variable frequency control microwave heating equipment comprises a variable frequency microwave generator, first wave conduit, Second Wave conduit and waveguide transfer valve; Described first wave conduit and Second Wave conduit are connected to the top of the first moisture absorption tank and the second moisture absorption tank respectively, and stretching into the inside of the first moisture absorption tank and the second moisture absorption tank, described first wave conduit and the other end of Second Wave conduit are all connected to described variable frequency microwave generator through described waveguide transfer valve.
Further, described first moisture absorption tank and the second moisture absorption tank include a tank body and a lubricating cup, described lubricating cup is connected with tank base, described lubricating cup is built with transformer oil, changeable colour hygroscopic agent is housed in described tank body, and described tank base offers a pneumostome, and described pneumostome is embedded with a filter screen, described pneumostome lower end is connected with a connecting pipe, described communicating pipe lower end stretch into transformer oil in described lubricating cup to form oil sealing; An air gap is provided with, the part moisture of entrained with and dust when sucking external air flow in order to main transformer body described in filtering between described lubricating cup top and tank base.
Further, the tank body of described first moisture absorption tank and the second moisture absorption tank is that inside accompanies shield microwaves and to leak the glass infuser of wire netting.
Implementation method of the present invention adopts following scheme to realize: a kind of using method with the main transformer on-line regeneration respirator of variable frequency control microwave heating equipment as described above, specifically comprises the following steps:
Step S1: described first valve opening, described first moisture absorption tank, as main transformer respirator, is communicated with main transformer respiratory siphon; Described second valve closing, the second described moisture absorption tank and main transformer respiratory siphon are isolated as backup breaths device;
Step S2: when described main transformer body normally runs, described conservator pasta varies with temperature and expands with heat and contract with cold, thus produces respiration, and the respiratory air flow of conservator internal transformer oil, enters main transformer respirator by described main transformer respiratory siphon;
Step S3: after certain hour, hygroscopic agent in described main transformer respirator gradually moisture absorption make moist variable color lost efficacy, now open the valve that described backup breaths device is corresponding, backup breaths device is communicated with described main transformer respiratory siphon, close the valve that main transformer respirator is corresponding, main transformer dehydrating breather and described main transformer respiratory siphon are isolated; Now, former backup breaths device becomes main transformer respirator, and former main transformer respirator becomes backup breaths device;
Step S4: open described variable frequency microwave controller, waveguide transfer valve is opened and is switched to the waveguide locations be connected with backup breaths device, this waveguide conducting;
Step S5: described variable frequency microwave controller controls described variable frequency microwave generator and opens, described variable frequency microwave generator launched microwave, and described microwave waveguide of conducting in step S4 enters moisture absorption tank for subsequent use in order to the hygroscopic agent in drying for standby moisture absorption tank;
Step S6: when the hygroscopic agent in backup breaths device becomes the color before making moist again, the waveguide transfer valve described in closedown, the variable frequency microwave controller described in closedown and variable frequency microwave generator; Return step S3.
Further, described step S5 is further comprising the steps of:
Step S51: when the hygroscopic agent in backup breaths device make moist serious discoloration degree large time, the variable frequency microwave frequency generator described in described variable frequency microwave controller controls raises, and increases microwave energy;
Step S52: when the hygroscopic agent in backup breaths device make moist less discoloration light time, the variable frequency microwave frequency generator described in described variable frequency microwave controller controls reduces, and reduces microwave energy.
Further, described variable frequency control microwave heating equipment comprises a variable frequency microwave generator, first wave conduit, Second Wave conduit and waveguide transfer valve; Described first wave conduit and Second Wave conduit are connected to the top of the first moisture absorption tank and the second moisture absorption tank respectively, and stretching into the inside of the first moisture absorption tank and the second moisture absorption tank, described first wave conduit and the other end of Second Wave conduit are all connected to described variable frequency microwave generator through described waveguide transfer valve.
Further, described first moisture absorption tank and the second moisture absorption tank include a tank body and a lubricating cup, described lubricating cup is connected with tank base, described lubricating cup is built with transformer oil, changeable colour hygroscopic agent is housed in described tank body, and described tank base offers a pneumostome, and described pneumostome is embedded with a filter screen, described pneumostome lower end is connected with a connecting pipe, described communicating pipe lower end stretch into transformer oil in described lubricating cup to form oil sealing; An air gap is provided with, the part moisture of entrained with and dust when sucking external air flow in order to main transformer body described in filtering between described lubricating cup top and tank base.
Further, the tank body of described first moisture absorption tank and the second moisture absorption tank is that inside accompanies shield microwaves and to leak the glass infuser of wire netting.
Compared with prior art, the present invention is without the need to changing hygroscopic agent, solve traditional main transformer respiration apparatus 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 moisture absorption 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, due to the variable frequency control microwave heating equipment of designed making, use microwave, the inner thermal agitation heating of the hydrone that hygroscopic agent is adsorbed, thus heated, evaporation, dry, also owing to using variable frequency microwave controller, when in moisture absorption tank, hygroscopic agent moisture absorption is made moist serious, variable frequency microwave controller is opened greatly, the frequency controlling variable frequency control microwave heating equipment raises, increase microwave energy, when hygroscopic agent moisture absorption is made moist less, reduce the frequency of microwave generator, therefore there is the better efficiency of heating surface, use safety, the advantage such as energy-saving and cost-reducing, huge advantage is had compared with traditional main transformer respiration apparatus.
Accompanying drawing explanation
Fig. 1 is a kind of main transformer on-line regeneration respirator scheme of installation with variable frequency control microwave heating equipment of the present invention.Fig. 2 is the non-switching state schematic diagram of waveguide transfer valve of the present invention.
Fig. 3 is waveguide transfer valve switched conductive first wave guide pipe view of the present invention.
Fig. 4 is waveguide transfer valve switched conductive Second Wave conduit view of the present invention.
Fig. 5 is moisture absorption tank appearance schematic diagram of the present invention.
Fig. 6 is moisture absorption tank decomposing schematic representation of the present invention.
Fig. 7 is schematic diagram when hygroscopic agent is drying regime in moisture absorption tank of the present invention.
Fig. 8 is the saturated variable color of hygroscopic agent moisture absorption in moisture absorption tank of the present invention, and the radiation of waveguide launched microwave carries out heat drying operating diagram to discolour silica gel.
Fig. 9 is a kind of main transformer on-line regeneration respirator Automatic Control Theory block diagram with variable frequency control microwave heating equipment of the present invention.
[primary clustering symbol description]
in figure:1 is variable frequency microwave generator, and 2 is waveguide transfer valve, and 3 is first wave conduit, 4 is the first moisture absorption tank, and 5 is the first valve, and 6 is Second Wave conduit, 7 is the second moisture absorption tank, and 8 is the second valve, and 9 is three-way pipe, 10 is main transformer respiratory siphon, and 11 is conservator, and 12 is moisture absorption tank lubricating cup, 13 is lubricating cup inner oil seal, and 14 is moisture absorption tank pneumostome, and 15 is aerial respiration gap, 16 is filter screen, and 17 is the special glass cylinder of inner clip shield microwaves wire netting; 18 is hygroscopic agent, and 19 is main transformer body, and 20 is variable frequency microwave controller.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment one.
The present embodiment provides a kind of main transformer on-line regeneration respirator with variable frequency control microwave heating equipment, comprise main transformer body 19 and connected conservator 11, described conservator 11 top is connected with the upper end of a main transformer respiratory siphon 10, the lower end of described main transformer respiratory siphon 10 is connected with a three-way pipe 9, the remaining two ends of described three-way pipe 9 are connected to the first moisture absorption tank 4 and the second moisture absorption tank 7 through the first valve 5 and the second valve 8 respectively, the first described moisture absorption tank 4 and the second moisture absorption tank 7 are connected to variable frequency control microwave heating equipment, described variable frequency control microwave heating equipment is electrically connected at variable frequency microwave controller 20.
In the present embodiment, described variable frequency control microwave heating equipment comprises a variable frequency microwave generator 1, first wave conduit 3, Second Wave conduit 6 and waveguide transfer valve 2; Described first wave conduit 3 and Second Wave conduit 6 are connected to the top of the first moisture absorption tank 4 and the second moisture absorption tank 7 respectively, and stretching into the inside of the first moisture absorption tank 4 and the second moisture absorption tank 7, described first wave conduit 3 is all connected to described variable frequency microwave generator 1 through described waveguide transfer valve 2 with the other end of Second Wave conduit 6.
In the present embodiment, described first moisture absorption tank 4 and the second moisture absorption tank 7 include a tank body and a lubricating cup 12, described lubricating cup 12 is connected with tank base, described lubricating cup 12 is built with transformer oil, changeable colour hygroscopic agent 18 is housed in described tank body, and described tank base offers a pneumostome 14, and described pneumostome 14 is embedded with a filter screen 16, described pneumostome 14 lower end is connected with a connecting pipe, described communicating pipe lower end stretch into transformer oil in described lubricating cup 12 to form oil sealing 13; An air gap 15 is provided with, the part moisture of entrained with and dust when sucking external air flow in order to main transformer body described in filtering 19 between described lubricating cup top and tank base.
In the present embodiment, the tank body of described first moisture absorption tank 4 and the second moisture absorption tank 7 is that inside accompanies shield microwaves and to leak the glass infuser 17 of wire netting.
Especially, the hygroscopic agent 18 described in the present embodiment adopts discolour silica gel, and it is sky blue when drying, and moisture absorption changes pink into after making moist.Preferably, described hygroscopic agent 18 also can adopt the hygroscopic agent of other applicable materials.
Embodiment two.
Present embodiments provide a kind of using method with the main transformer on-line regeneration respirator of variable frequency control microwave heating equipment as described in embodiment one, specifically comprise the following steps:
Step S1: described first valve 5 is opened, described first moisture absorption tank 4, as main transformer respirator, is communicated with main transformer respiratory siphon; Described second valve 8 is closed, and the second described moisture absorption tank 7 is isolated as backup breaths device with main transformer respiratory siphon 10;
Step S2: when described main transformer body 19 normally runs, described conservator 11 pasta varies with temperature and expands with heat and contract with cold, thus produces respiration, and the respiratory air flow of conservator 11 internal transformer oil, enters main transformer respirator by described main transformer respiratory siphon 10;
Step S3: after certain hour, hygroscopic agent 18 in described main transformer respirator gradually moisture absorption make moist variable color lost efficacy, now open the valve that described backup breaths device is corresponding, backup breaths device is communicated with described main transformer respiratory siphon 10, close the valve that main transformer respirator is corresponding, main transformer dehydrating breather and described main transformer respiratory siphon 10 are isolated; Now, former backup breaths device becomes main transformer respirator, and former main transformer respirator becomes backup breaths device;
Step S4: open described variable frequency microwave controller 20, waveguide transfer valve 2 is opened and is switched to the waveguide locations be connected with backup breaths device, this waveguide conducting;
Step S5: described variable frequency microwave controller 20 controls described variable frequency microwave generator 1 and opens, described variable frequency microwave generator 1 launched microwave, described microwave waveguide of conducting in step S4 enters moisture absorption tank for subsequent use in order to the hygroscopic agent 18 in drying for standby moisture absorption tank;
Step S6: when the hygroscopic agent 18 in backup breaths device becomes the color before making moist again, the waveguide transfer valve 2 described in closedown, the variable frequency microwave controller 20 described in closedown and variable frequency microwave generator 1; Return step S3.
In the present embodiment, described step S5 is further comprising the steps of:
Step S51: when the hygroscopic agent 18 in backup breaths device make moist serious discoloration degree large time, described variable frequency microwave controller 20 controls described variable frequency microwave generator 1 frequency and raises, and increases microwave energy;
Step S52: when the hygroscopic agent 18 in backup breaths device make moist less discoloration light time, described variable frequency microwave controller 20 controls described variable frequency microwave generator 1 frequency to be reduced, and reduces microwave energy.
In the present embodiment, described variable frequency control microwave heating equipment comprises a variable frequency microwave generator 1, first wave conduit 3, Second Wave conduit 6 and waveguide transfer valve 2; Described first wave conduit 3 and Second Wave conduit 6 are connected to the top of the first moisture absorption tank 4 and the second moisture absorption tank 7 respectively, and stretching into the inside of the first moisture absorption tank 4 and the second moisture absorption tank 7, described first wave conduit 3 is all connected to described variable frequency microwave generator 1 through described waveguide transfer valve 2 with the other end of Second Wave conduit 6.
In the present embodiment, described first moisture absorption tank 4 and the second moisture absorption tank 7 include a tank body and a lubricating cup 12, described lubricating cup 12 is connected with tank base, described lubricating cup 12 is built with transformer oil, changeable colour hygroscopic agent 18 is housed in described tank body, and described tank base offers a pneumostome 14, and described pneumostome 14 is embedded with a filter screen 16, described pneumostome 14 lower end is connected with a connecting pipe, described communicating pipe lower end stretch into transformer oil in described lubricating cup 12 to form oil sealing 13; An air gap 15 is provided with, the part moisture of entrained with and dust when sucking external air flow in order to main transformer body described in filtering 19 between described lubricating cup top and tank base.
In the present embodiment, the tank body of described first moisture absorption tank 4 and the second moisture absorption tank 7 is that inside accompanies shield microwaves and to leak the glass infuser 17 of wire netting.
Especially, the hygroscopic agent 18 described in the present embodiment adopts discolour silica gel, and it is sky blue when drying, and moisture absorption changes pink into after making moist.Preferably, described hygroscopic agent 18 also can adopt the hygroscopic agent of other applicable materials.
In sum; the present invention utilizes the dry regeneration techniques of variable frequency control microwave heating equipment on-line heating; solve traditional main transformer respiration apparatus need manually change when the saturated inefficacy of hygroscopic agent moisture absorption; and also need in Renewal process exit the heavy watt protective device of main transformer and there is the problems such as major safety risks; thus the safe operation of powerful guarantee main transformer, it also avoid traditional main transformer respirator simultaneously and change waste and the environmental pollution of human and material resources in hygroscopic agent process.Owing to using microwave energy, make the inner thermal agitation of the hydrone of hygroscopic agent absorption in respirator and heated, respirator shell shield microwaves, external sensation is less than heating, avoid energy loss, also because use frequency-variable controller, the degree can made moist according to hygroscopic agent moisture absorption, control the frequency of microwave generator launched microwave, when in moisture absorption tank, hygroscopic agent moisture absorption is made moist serious, frequency-variable controller is opened greatly, the frequency controlling variable frequency control microwave heating equipment raises, increase microwave energy, when hygroscopic agent moisture absorption is made moist less, reduce the frequency of microwave generator, therefore there is the efficiency of heating surface high, the huge advantage such as use safety.
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 has the main transformer on-line regeneration respirator of variable frequency control microwave heating equipment, comprise main transformer body and connected conservator, described conservator top is connected with the upper end of a main transformer respiratory siphon, it is characterized in that: the lower end of described main transformer respiratory siphon is connected with a three-way pipe, the remaining two ends of described three-way pipe are connected to the first moisture absorption tank and the second moisture absorption tank through the first valve and the second valve respectively, the first described moisture absorption tank and the second moisture absorption tank are connected to variable frequency control microwave heating equipment, described variable frequency control microwave heating equipment is electrically connected at variable frequency microwave controller.
2. a kind of main transformer on-line regeneration respirator with variable frequency control microwave heating equipment according to claim 1, is characterized in that: described variable frequency control microwave heating equipment comprises a variable frequency microwave generator, first wave conduit, Second Wave conduit and waveguide transfer valve; Described first wave conduit and Second Wave conduit are connected to the top of the first moisture absorption tank and the second moisture absorption tank respectively, and stretching into the inside of the first moisture absorption tank and the second moisture absorption tank, described first wave conduit and the other end of Second Wave conduit are all connected to described variable frequency microwave generator through described waveguide transfer valve.
3. a kind of main transformer on-line regeneration respirator with variable frequency control microwave heating equipment according to claim 1, it is characterized in that: described first moisture absorption tank and the second moisture absorption tank include a tank body and a lubricating cup, described lubricating cup is connected with tank base, described lubricating cup is built with transformer oil, changeable colour hygroscopic agent is housed in described tank body, described tank base offers a pneumostome, described pneumostome is embedded with a filter screen, described pneumostome lower end is connected with a connecting pipe, described communicating pipe lower end stretch into transformer oil in described lubricating cup to form oil sealing; An air gap is provided with, the part moisture of entrained with and dust when sucking external air flow in order to main transformer body described in filtering between described lubricating cup top and tank base.
4. a kind of main transformer on-line regeneration respirator with variable frequency control microwave heating equipment according to claim 1, is characterized in that: the tank body of described first moisture absorption tank and the second moisture absorption tank is that inside accompanies shield microwaves and to leak the glass infuser of wire netting.
5. there is a using method for the main transformer on-line regeneration respirator of variable frequency control microwave heating equipment as claimed in claim 1, it is characterized in that comprising the following steps:
Step S1: described first valve opening, described first moisture absorption tank, as main transformer respirator, is communicated with main transformer respiratory siphon; Described second valve closing, the second described moisture absorption tank and main transformer respiratory siphon are isolated as backup breaths device;
Step S2: when described main transformer body normally runs, described conservator pasta varies with temperature and expands with heat and contract with cold, thus produces respiration, and the respiratory air flow of conservator internal transformer oil, enters main transformer respirator by described main transformer respiratory siphon;
Step S3: after certain hour, hygroscopic agent in described main transformer respirator gradually moisture absorption make moist variable color lost efficacy, now open the valve that described backup breaths device is corresponding, backup breaths device is communicated with described main transformer respiratory siphon, close the valve that main transformer respirator is corresponding, main transformer dehydrating breather and described main transformer respiratory siphon are isolated; Now, former backup breaths device becomes main transformer respirator, and former main transformer respirator becomes backup breaths device;
Step S4: open described variable frequency microwave controller, waveguide transfer valve is opened and is switched to the waveguide locations be connected with backup breaths device, this waveguide conducting;
Step S5: described variable frequency microwave controller controls described variable frequency microwave generator and opens, described variable frequency microwave generator launched microwave, and described microwave waveguide of conducting in step S4 enters moisture absorption tank for subsequent use in order to the hygroscopic agent in drying for standby moisture absorption tank;
Step S6: when the hygroscopic agent in backup breaths device becomes the color before making moist again, the waveguide transfer valve described in closedown, the variable frequency microwave controller described in closedown and variable frequency microwave generator; Return step S3.
6. a kind of using method with the main transformer on-line regeneration respirator of variable frequency control microwave heating equipment according to claim 5, is characterized in that: described step S5 is further comprising the steps of:
Step S51: when the hygroscopic agent in backup breaths device make moist serious discoloration degree large time, the variable frequency microwave frequency generator described in described variable frequency microwave controller controls raises, and increases microwave energy;
Step S52: when the hygroscopic agent in backup breaths device make moist less discoloration light time, the variable frequency microwave frequency generator described in described variable frequency microwave controller controls reduces, and reduces microwave energy.
7. a kind of using method with the main transformer on-line regeneration respirator of variable frequency control microwave heating equipment according to claim 5, is characterized in that: described variable frequency control microwave heating equipment comprises a variable frequency microwave generator, first wave conduit, Second Wave conduit and waveguide transfer valve; Described first wave conduit and Second Wave conduit are connected to the top of the first moisture absorption tank and the second moisture absorption tank respectively, and stretching into the inside of the first moisture absorption tank and the second moisture absorption tank, described first wave conduit and the other end of Second Wave conduit are all connected to described variable frequency microwave generator through described waveguide transfer valve.
8. a kind of using method with the main transformer on-line regeneration respirator of variable frequency control microwave heating equipment according to claim 5, it is characterized in that: described first moisture absorption tank and the second moisture absorption tank include a tank body and a lubricating cup, described lubricating cup is connected with tank base, described lubricating cup is built with transformer oil, changeable colour hygroscopic agent is housed in described tank body, described tank base offers a pneumostome, described pneumostome is embedded with a filter screen, described pneumostome lower end is connected with a connecting pipe, described communicating pipe, lower end stretched into transformer oil in described lubricating cup to form oil sealing, an air gap is provided with, the part moisture of entrained with and dust when sucking external air flow in order to main transformer body described in filtering between described lubricating cup top and tank base.
9. a kind of using method with the main transformer on-line regeneration respirator of variable frequency control microwave heating equipment according to claim 5, is characterized in that: the tank body of described first moisture absorption tank and the second moisture absorption tank is that inside accompanies shield microwaves and to leak the glass infuser of wire netting.
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| CN201510004533.1A CN104575963B (en) | 2015-01-07 | 2015-01-07 | A kind of main transformer on-line regeneration respirator and application method with VFC microwave heating equipment |
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| CN201510004533.1A CN104575963B (en) | 2015-01-07 | 2015-01-07 | A kind of main transformer on-line regeneration respirator and application method with VFC microwave heating equipment |
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