CN204464003U - A kind of main transformer respirator with variable frequency control infrared heating - Google Patents
A kind of main transformer respirator with variable frequency control infrared heating Download PDFInfo
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- CN204464003U CN204464003U CN201520140793.7U CN201520140793U CN204464003U CN 204464003 U CN204464003 U CN 204464003U CN 201520140793 U CN201520140793 U CN 201520140793U CN 204464003 U CN204464003 U CN 204464003U
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- Prior art keywords
- moisture absorption
- absorption tank
- frequency
- main transformer
- infrared
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- 238000010521 absorption reaction Methods 0.000 claims abstract description 101
- 239000003230 hygroscopic agent Substances 0.000 claims abstract description 33
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 10
- 230000001050 lubricating effect Effects 0.000 claims description 13
- 230000000241 respiratory effect Effects 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 7
- 230000008929 regeneration Effects 0.000 abstract description 7
- 238000011069 regeneration method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract description 4
- 229920006395 saturated elastomer Polymers 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000001035 drying Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 235000012736 patent blue V Nutrition 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Transformer Cooling (AREA)
Abstract
There is provided a kind of main transformer respirator with variable frequency control infrared heating at the utility model, it is characterized in that: comprise frequency-variable controller, the first infrared emittance, the second infrared emittance, the first moisture absorption tank, the second moisture absorption tank, three-way pipe, the first control valve, the second control valve, the first humidity sensor and the second humidity sensor etc.; Utilize the dry regeneration techniques of frequency conversion infrared heating, solve traditional main transformer respiration apparatus and 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.Use frequency-variable controller, the degree can made moist according to hygroscopic agent moisture absorption, control the frequency of infrared emittance emitting infrared radiation energy, make the huge advantage such as the thermal regeneration of hygroscopic agent in this respirator is even, efficiency is high, use safety.
Description
Technical field
The utility model relates to a kind of regeneration respirator, is specifically related to a kind of main transformer respirator with variable frequency control infrared heating.
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.Tradition main transformer respirator scheme of installation is see Fig. 1.
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 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
The purpose of this utility model is to provide a kind of main transformer respirator with variable frequency control infrared heating, can recycle without the need to changing hygroscopic agent, avoids the series of problems that respirator replacing hygroscopic agent brings.
The utility model realizes by the following technical solutions: a kind of main transformer respirator with variable frequency control infrared heating, is characterized in that: comprise frequency-variable controller, the first infrared emittance, the second infrared emittance, the first moisture absorption tank, the second moisture absorption tank, three-way pipe, the first control valve, the second control valve, the first humidity sensor and the second humidity sensor; First port of described three-way pipe is connected with the upper port of described first moisture absorption tank, and the first port of described three-way pipe is provided with the first control valve; The upper port of the second moisture absorption tank described in the second port of described three-way pipe connects, and the second port of described three-way pipe is provided with the second control valve; 3rd port of described three-way pipe is connected with the lower end of the respiratory siphon of main transformer conservator; All hygroscopic agent is housed in described first moisture absorption tank, the second moisture absorption tank; The top that described first infrared emittance is arranged on the top of the first moisture absorption tank inside, the second infrared emittance is arranged on the second moisture absorption tank inside; First, second infrared emittance described is all connected with the output of frequency-variable controller, and frequency-variable controller is by external 220 volts of Power supplies; Described first humidity sensor is arranged in the first moisture absorption tank, and described second humidity sensor is arranged in the second moisture absorption tank; First output of described frequency-variable controller is connected with the first infrared emittance by the first switch; Second output of described frequency-variable controller is connected with the second infrared emittance by second switch; The first input end of described frequency-variable controller is connected with the output of the first humidity sensor by the 3rd switch; Second input of described frequency-variable controller is connected with the output of the second humidity sensor by the 4th switch.
In the utility model one embodiment, described hygroscopic agent is discolour silica gel.
In the utility model one embodiment, the tank base of described first moisture absorption tank and described second moisture absorption tank all offers a pneumostome; The tank base of described first moisture absorption tank and described second moisture absorption tank is all connected with a lubricating cup, fills transformer oil in this lubricating cup; Described pneumostome lower end is extended with communicating pipe, this communicating pipe lower ending opening stretch in described lubricating cup transformer oil in form oil sealing; Aerial respiration gap is provided with between the tank base of described lubricating cup top and described first moisture absorption tank or described second moisture absorption tank.
In the utility model one embodiment, in the middle part of described first moisture absorption tank, the second moisture absorption tank, glass infuser is heat resistant glass manufacture.
Compared with prior art the utility model has the following advantages: without the need to changing hygroscopic agent, and solving traditional main transformer respiration apparatus needs to exit heavy watt and protect and there is the problems such as potential safety hazard during hygroscopic agent when changing; Use frequency-variable controller, the degree can made moist according to hygroscopic agent moisture absorption, automatic control infrared emittance operating frequency, when in moisture absorption tank, hygroscopic agent moisture absorption is made moist serious, frequency-variable controller is opened greatly, and the frequency controlling frequency conversion infrared emittance raises, increase infrared energy, when hygroscopic agent moisture absorption is made moist less, reduce infrared emittance operating frequency, energy savings; Adopt two-way infrared mode of heating, make hygroscopic agent absorb infrared energy more uniformly and effectively, thus by heating, drying of uniform high-efficiency more with regenerate.
Accompanying drawing explanation
Fig. 1 is traditional main transformer respirator scheme of installation.
Fig. 2 is a kind of main transformer respirator with variable frequency control infrared heating of the present utility model.
Fig. 3 is moisture absorption jar structure schematic diagram of the present utility model.
Fig. 4 is that infrared emittance transmitting infrared radiation can carry out thermal regeneration schematic diagram to discolour silica gel in the utility model specific embodiment.
Fig. 5 is that unlatching first infrared emittance of the present utility model carries out variable frequency control heating work functional-block diagram to the first moisture absorption tank.
Fig. 6 is that unlatching second infrared emittance of the present utility model carries out variable frequency control heating work functional-block diagram to the second moisture absorption tank.
[label declaration]: 1-first infrared emittance, 2-first moisture absorption tank, 3-first by-pass valve control, 4-second moisture absorption tank, 5-second by-pass valve control, 6-threeway, 7-main transformer respiratory siphon, 8-second infrared emittance, 9-first humidity sensor, 10-second humidity sensor, 11-conservator, 12-moisture absorption tank lubricating cup, 13-lubricating cup inner oil seal, 14-moisture absorption tank pneumostome, 15-aerial respiration gap, 16-filter screen, 17-heatproof glass infuser; 18-hygroscopic agent, 19-main transformer body, 20-frequency-variable controller.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
See Fig. 2, the utility model provides a kind of main transformer respirator with variable frequency control infrared heating, adopting two-way infrared mode of heating to carry out circulating-heating to primary and backup respirator, without the need to changing hygroscopic agent, avoiding the series of problems that conventional ventilators replacing hygroscopic agent brings.
This respirator comprises frequency-variable controller 20, first infrared emittance 1, second infrared emittance 8, first moisture absorption tank 2, second moisture absorption tank 4, three-way pipe 6, first control valve 3, second control valve 5, first humidity sensor 9 and the second humidity sensor 10; First port of described three-way pipe 6 is connected with the upper port of described first moisture absorption tank 2, and the first port of described three-way pipe 6 is provided with the first control valve 3; The upper port of the second moisture absorption tank 4 described in the second port of described three-way pipe 6 connects, and the second port of described three-way pipe 6 is provided with the second control valve 5; 3rd port of described three-way pipe 6 is connected with the lower end of the respiratory siphon 7 of main transformer conservator 11; In described first moisture absorption tank 2, second moisture absorption tank 4, hygroscopic agent 18 is all housed; The top that described first infrared emittance 1 is arranged on the top of the first moisture absorption tank 2 inside, the second infrared emittance 8 is arranged on the second moisture absorption tank 4 inside; First, second infrared emittance described is all connected with the output of frequency-variable controller 20, and frequency-variable controller 20 is by external 220 volts of Power supplies; Described first humidity sensor 9 is arranged in the first moisture absorption tank 2, and described second humidity sensor 10 is arranged in the second moisture absorption tank 4; First output of described frequency-variable controller 20 is connected with the first infrared emittance 1 by the first K switch 1; Second output of described frequency-variable controller 20 is connected with the second infrared emittance 8 by second switch K2; The first input end of described frequency-variable controller is connected with the output of the first humidity sensor 9 by the 3rd K switch 3; Second input of described frequency-variable controller is connected with the output of the second humidity sensor 10 by the 4th K switch 4.19 is conventional main transformer body.
Preferably, described hygroscopic agent is discolour silica gel, is sky blue, changes pink into after moisture absorption is saturated when it is dry.Staff also can judge its degree of drying from the color of discolour silica gel intuitively in use.
Further, the structural representation of first and second moisture absorption tank is see Fig. 3.Moisture absorption tank base is all connected with a lubricating cup 12, fills transformer oil in this lubricating cup; Described pneumostome 14 lower end is extended with communicating pipe, this communicating pipe lower ending opening stretch in described lubricating cup transformer oil in form oil sealing 13; Be provided with filter screen 15 between described lubricating cup top and tank base, suck part moisture and the dust of external air-flow entrained with for filtering main transformer.Moisture absorption tank bottom is also embedded with a filter screen 16, to separate hygroscopic agent and pneumostome and to form the space of an infrared heating, reduces infrared heat and scatters and disappears.
Preferably, in the middle part of described first moisture absorption tank, the second moisture absorption tank, glass infuser is heat resistant glass manufacture.
For the ease of those skilled in the art to further understanding of the present utility model, briefly below set forth using method of the present utility model, its operation principle block diagram see Fig. 5-6, the content that the non-the utility model of the method will be protected.Using method of the present utility model comprises the following steps: step S01: open the first control valve 3 and close the second control valve 5, and using the first moisture absorption tank 2 as main transformer respirator, the second moisture absorption tank 4 is as backup breaths device; Step S02: along with the prolongation of main transformer conservator 11 breathing time, in main transformer respirator, hygroscopic agent 18 moisture absorption was lost efficacy, in main transformer respirator, discolour silica gel 18 changes the saturated pink of moisture absorption into from sky blue during drying, now open the second control valve 5, using the second moisture absorption tank 4 as main transformer respirator, keep the second moisture absorption tank 4 unobstructed with main transformer respiratory siphon 7; Step S03: close the first control valve 3, makes the first breather tank 2 isolate with main transformer respiratory siphon 7; Close the K1 switch of frequency-variable controller 20, opens the first infrared emittance 1, first infrared emittance 1 and produce infrared radiation and can carry out emitting infrared radiation energy to the first moisture absorption tank 2, heated after hygroscopic agent 18 receives infrared radiation in the first moisture absorption tank 2, dry; Step S04: close K3 switch, moisture signal in first moisture absorption tank 2 is sent to frequency-variable controller 20 by the first humidity sensor 9, humidity in first moisture absorption tank 2 is compared with the threshold value pre-set in frequency-variable controller 20, if the humidity in the first moisture absorption tank 2 is greater than this threshold value, increase the operating frequency of control first infrared emittance 1, increase infrared energy, if the humidity in the first moisture absorption tank 2 is less than this threshold value, reduce the operating frequency of the first infrared emittance 1, reduce infrared energy; Step S05: during sky blue when hygroscopic agent discolour silica gel 18 in the first moisture absorption tank 2 changes drying into gradually from the pink after moisture absorption of making moist, represent that heat drying regeneration is qualified, close frequency-variable controller 20, disconnect K1 switch, close the first infrared emittance 1, disconnect K3 switch, close the first humidity sensor 9, using the first moisture absorption tank 2 as dehydrating breather for subsequent use; Step S06: when hygroscopic agent in the second moisture absorption tank 4 lost efficacy, second control valve 5 is closed, described second moisture absorption tank 4 is isolated with described main transformer respiratory siphon 7, first control valve 3 is opened, using described first moisture absorption tank 2 as described main transformer respirator, keep described first moisture absorption tank 2 unobstructed with described main transformer respiratory siphon 7; Step S07: the K2 switch of the frequency-variable controller 20 that closes, opens the second infrared emittance 8, carries out emitting infrared radiation energy, after hygroscopic agent 18 receives infrared radiation in the second moisture absorption tank 4, is heated, dry to the second moisture absorption tank 4; Step S08: close K4 switch, moisture signal in second moisture absorption tank 4 is sent to frequency-variable controller 20 by the second humidity sensor 10, humidity in second moisture absorption tank 4 is compared with the threshold value pre-set in frequency-variable controller 20, if the humidity in the second moisture absorption tank 4 is greater than this threshold value, increase the operating frequency of control second infrared emittance 8, increase infrared energy, if the humidity in the second moisture absorption tank 4 is less than this threshold value, reduce the operating frequency of the second infrared emittance 8, reduce infrared energy; Step S09: during sky blue when hygroscopic agent discolour silica gel 18 in the second moisture absorption tank 4 changes drying into gradually from the pink after moisture absorption of making moist, represent that heat drying regeneration is qualified, close frequency-variable controller 20, disconnect K2 switch, close the second infrared emittance 8, disconnect K4 switch, close the second humidity sensor 10, using the second moisture absorption tank 4 as dehydrating breather for subsequent use; Step S10: when lost efficacy again by moisture absorption for hygroscopic agent 18 in described first moisture absorption tank 2, then forward step S02 to, so constantly move in circles, reaches the object that automatic frequency-conversion controls infrared on-line heating regeneration moisture absorption tank.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (4)
1. there is a main transformer respirator for variable frequency control infrared heating, it is characterized in that: comprise frequency-variable controller, the first infrared emittance, the second infrared emittance, the first moisture absorption tank, the second moisture absorption tank, three-way pipe, the first control valve, the second control valve, the first humidity sensor and the second humidity sensor;
First port of described three-way pipe is connected with the upper port of described first moisture absorption tank, and the first port of described three-way pipe is provided with the first control valve; The upper port of the second moisture absorption tank described in the second port of described three-way pipe connects, and the second port of described three-way pipe is provided with the second control valve; 3rd port of described three-way pipe is connected with the lower end of the respiratory siphon of main transformer conservator;
All hygroscopic agent is housed in described first moisture absorption tank, the second moisture absorption tank;
The top that described first infrared emittance is arranged on the top of the first moisture absorption tank inside, the second infrared emittance is arranged on the second moisture absorption tank inside; First, second infrared emittance described is all connected with the output of frequency-variable controller, and frequency-variable controller is by external 220 volts of Power supplies;
Described first humidity sensor is arranged in the first moisture absorption tank, and described second humidity sensor is arranged in the second moisture absorption tank;
First output of described frequency-variable controller is connected with the first infrared emittance by the first switch; Second output of described frequency-variable controller is connected with the second infrared emittance by second switch; The first input end of described frequency-variable controller is connected with the output of the first humidity sensor by the 3rd switch; Second input of described frequency-variable controller is connected with the output of the second humidity sensor by the 4th switch.
2. the main transformer respirator with variable frequency control infrared heating according to claim 1, is characterized in that: described hygroscopic agent is discolour silica gel.
3. the main transformer respirator with variable frequency control infrared heating according to claim 1, is characterized in that: the tank base of described first moisture absorption tank and described second moisture absorption tank all offers a pneumostome; The tank base of described first moisture absorption tank and described second moisture absorption tank is all connected with a lubricating cup, fills transformer oil in this lubricating cup; Described pneumostome lower end is extended with communicating pipe, this communicating pipe lower ending opening stretch in described lubricating cup transformer oil in form oil sealing; Aerial respiration gap is provided with between the tank base of described lubricating cup top and described first moisture absorption tank or described second moisture absorption tank.
4. the main transformer respirator with variable frequency control infrared heating according to claim 3, is characterized in that: in the middle part of described first moisture absorption tank, the second moisture absorption tank, glass infuser is the manufacture of heat resistant glass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140793.7U CN204464003U (en) | 2015-03-13 | 2015-03-13 | A kind of main transformer respirator with variable frequency control infrared heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140793.7U CN204464003U (en) | 2015-03-13 | 2015-03-13 | A kind of main transformer respirator with variable frequency control infrared heating |
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| Publication Number | Publication Date |
|---|---|
| CN204464003U true CN204464003U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520140793.7U Expired - Fee Related CN204464003U (en) | 2015-03-13 | 2015-03-13 | A kind of main transformer respirator with variable frequency control infrared heating |
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| Country | Link |
|---|---|
| CN (1) | CN204464003U (en) |
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2015
- 2015-03-13 CN CN201520140793.7U patent/CN204464003U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20180313 |