CN109308961B - Transformer drying equipment - Google Patents
Transformer drying equipment Download PDFInfo
- Publication number
- CN109308961B CN109308961B CN201811411500.9A CN201811411500A CN109308961B CN 109308961 B CN109308961 B CN 109308961B CN 201811411500 A CN201811411500 A CN 201811411500A CN 109308961 B CN109308961 B CN 109308961B
- Authority
- CN
- China
- Prior art keywords
- water
- oil
- micro
- valve
- removal tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001035 drying Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 175
- 239000012528 membrane Substances 0.000 claims description 14
- 238000001223 reverse osmosis Methods 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The transformer drying equipment comprises an oil inlet pipe, an oil inlet valve, an oil inlet micro-water sensor, an oil pump, a micro-water measuring instrument, an oil filter, a water removal tank, an oil outlet micro-water sensor, a high-pressure bin air release valve, an oil outlet pipe, a system control switch, a water collector, a water drain valve, a water drain pipe, a water removal tank micro-water sensor, a tank body, a water collector observation hole, a micro-water measuring instrument observation hole and a tank body door lock; the beneficial effects are that: the transformer oil does not need to be processed in a power failure, normal electricity consumption is not affected, the material for adsorbing water molecules is not replaced, the cost is low, and the transformer oil is automatically monitored, so that the transformer oil always keeps in a qualified state, the safe operation level is improved, and the power supply reliability is improved.
Description
Technical Field
The invention relates to a transformer drying device.
Background
The transformer used in the power system is filled with transformer oil with insulation function, and the transformer is breathed by heat expansion and cold contraction, namely air is continuously introduced and discharged, and because the air contains moisture, trace moisture (called micro water for short) is introduced into the transformer oil, the higher the micro water content is, the lower the insulation degree of the transformer oil is, the internal insulation breakdown is caused by the insulation degree is low to a certain degree, and the transformer is burnt out. Therefore, to measure the micro water content of the transformer oil, the transformer oil is replaced or dried to a certain extent, and the drying treatment generally adopts a vacuum oil filter to gasify and discharge the water in the oil so as to achieve the purpose of drying the transformer oil. And materials such as silica gel and the like which adsorb water molecules are adopted for drying, and the materials need to be replaced after absorbing water, so that the cost is high.
Disclosure of Invention
The invention aims to overcome the problems and provide a transformer drying device which does not need to replace transformer oil and water molecule adsorption materials.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a transformer drying equipment, includes oil feed pipe, advance oil valve, advances little water sensor, oil pump, little water measuring apparatu, oil filter, water removal tank, play oily little water sensor, high-pressure storehouse bleed valve, delivery valve, play oil pipe, system control switch, water collector, water drain valve, drain pipe, water removal tank little water sensor, box, water collector observation hole, little water measuring apparatu observation hole, box lock, its characterized in that: the oil inlet pipe is connected with an oil inlet valve, an oil pump, an oil filter, a water removal tank, an oil outlet valve and an oil outlet pipe; an oil inlet micro-water sensor is arranged on a pipeline behind the oil inlet valve; an oil outlet micro-water sensor and a bleed valve are arranged on an oil outlet pipe of the water removal tank; the water removal tank comprises a tank body, a top cover, a water removal tank oil inlet pipe, a water removal tank oil outlet pipe and a water removal tank oil return pipe, wherein the top cover is provided with a stainless steel barrel, a ceramic ventilation barrel, a reverse osmosis membrane, a water removal tank oil inlet pipe, a water removal tank oil outlet pipe, a water removal tank oil return pipe, a pressure gauge and a normal pressure bin air release valve; the tank body is cylindrical, the bottom of the tank body is funnel-shaped, and the bottom of the tank body is provided with a water collector and a water removal tank micro-water sensor; the outer surface of the ceramic ventilation barrel is provided with a vertical corrugated groove; the bottom of the stainless steel barrel is provided with a water outlet; the oil inlet micro-water sensor, the oil outlet micro-water sensor and the water tank micro-water sensor are electrically connected with the micro-water measuring instrument; the micro water measuring instrument is electrically connected with the system control switch; a high-pressure bin is formed inside the top cover and the reverse osmosis membrane and is communicated with the pressure gauge; and a normal pressure bin is formed among the top cover, the stainless steel barrel and the tank body and is communicated with a deflation valve of the normal pressure bin.
After a system control switch is started, an oil pump starts to work, an oil outlet valve is regulated to enable the inside of a high-pressure bin to keep certain pressure, under the action of the pressure, water in transformer oil enters the normal-pressure bin through a reverse osmosis membrane and flows into a water collector after being collected, the water collector is in a glass shape, if water exists, the collected water can be seen, and the collected water is discharged through a water drain valve; after the oil inlet micro-water sensor detects that the micro-water content reaches a qualified value after the oil inlet micro-water sensor operates for a first period of time, the system control switch turns off the oil pump power supply, stops working, enters a timing starting state, and restarts after the set time is reached, operates again, and reciprocates to keep the transformer oil qualified.
Compared with the prior art, the invention has the beneficial effects that: the transformer oil does not need to be processed in a power failure, normal electricity consumption is not affected, the material for adsorbing water molecules is not replaced, the cost is low, and the transformer oil is automatically monitored, so that the transformer oil always keeps in a qualified state, the safe operation level is improved, and the power supply reliability is improved.
Drawings
Figure 1 is a schematic view of an embodiment of a transformer drying apparatus according to the present invention,
fig. 2 is a schematic view of the internal structure of the water removal tank 7 in fig. 1.
The icon illustrates:
1. an oil inlet pipe; 2. An oil inlet valve; 3. An oil inlet micro water sensor; 4. An oil pump; 5 micro water measuring instrument; 6. An oil filter; 7. A water removal tank; 8. An oil-yielding micro-water sensor; 9. A high pressure bin bleed valve; 10. An oil outlet valve; 11. An oil outlet pipe; 12. a system control switch; 13. a water collector; 14. a water drain valve; 15. a water drain pipe; 16. a water removal tank micro water sensor; 17. a case; 18. a water collector viewing aperture; 19. a micro water measuring instrument observation hole; 20. a box door lock; 21. a normal pressure bin; 22. a stainless steel barrel; 23. ceramic ventilation barrel; 24. a reverse osmosis membrane; 25. a high pressure bin; 31. a tank body; 32. a top cover; 33. an oil inlet pipe of the water removal tank; 34. an oil outlet pipe of the water removal tank; 35. an oil return pipe of the water removal tank; 36. a pressure gauge; 37. and a normal pressure bin deflating valve.
Detailed Description
Examples
Fig. 1 is a schematic view of an embodiment of a transformer drying apparatus according to the present invention, and fig. 2 is a schematic view of an internal structure of a water removal tank 7 of fig. 1; the transformer drying equipment comprises an oil inlet pipe 1, an oil inlet valve 2, an oil inlet micro-water sensor 3, an oil pump 4, a micro-water measuring instrument 5, an oil filter 6, a water removal tank 7, an oil outlet micro-water sensor 8, a high-pressure bin air release valve 9, an oil outlet valve 10, an oil outlet pipe 11, a system control switch 12, a water collector 13, a water drain valve 14, a water drain pipe 15, a water removal tank micro-water sensor 16, a tank 17, a water collector observation hole 18, a micro-water measuring instrument observation hole 19 and a tank door lock 20; one side of the oil inlet pipe 1 can be connected with the bottom of the transformer oil tank, the other side of the oil inlet pipe 1 is connected with the oil inlet valve 2, the oil pump 4, the oil filter 6, the water removal tank 7, the oil outlet valve 10 and the oil outlet pipe 11, and the oil outlet pipe 11 can be connected with the top of the transformer oil tank; an oil inlet micro-water sensor 3 is arranged on a pipeline behind the oil inlet valve 2; an oil outlet micro-water sensor 8 and a gas release valve 9 are arranged on an oil outlet pipe 34 of the water removal tank; the water removal tank 7 comprises a tank body 31, a top cover 32, a water removal tank oil inlet pipe 33, a water removal tank oil outlet pipe 34 and a water removal tank oil return pipe 35, wherein the top cover 32 is provided with a stainless steel barrel 22, a ceramic ventilation barrel 23, a reverse osmosis membrane 24, the water removal tank oil inlet pipe 33, the water removal tank oil outlet pipe 34, the water removal tank oil return pipe 35, a pressure gauge 36 and a normal pressure bin air release valve 37; the bottom of the tank body 31 is funnel-shaped, and the bottom of the tank body 31 is provided with a water collector 13 and a water removal tank micro water sensor 16; the ceramic ventilation barrel 23 is made of ceramic or porcelain, and has vertical corrugated grooves on the outer surface, so that the separated water can flow into the bottom through the grooves and then flow out through the water outlet holes at the bottom of the stainless steel barrel 22; the reverse osmosis membrane 24 is a reverse osmosis membrane that allows only water molecules to pass through; the oil inlet micro water sensor 3, the oil outlet micro water sensor 8 and the water tank micro water sensor 16 are electrically connected with the micro water measuring instrument 5; the micro water measuring instrument 5 is electrically connected with the system control switch 12; the top cover 32 and the inside of the reverse osmosis membrane 24 form a high-pressure bin 25 and are communicated with a pressure 36 meter; the top cover 32, the outside of the stainless steel barrel 22 and the inside of the tank body 31 form a normal pressure bin 21, and are communicated with a normal pressure bin air release valve 37. After primary use or maintenance, firstly, the oil inlet valve 2 is opened, transformer oil enters the normal pressure bin 21 through the oil return pipe 35 of the water removal tank, the air release valve 37 of the normal pressure bin is opened, and the transformer oil is closed after air release; the high-pressure bin air release valve 9 is opened, the system control switch 12 is started, the oil pump 4 starts to work, the high-pressure bin air release valve 9 is closed after air is discharged, the oil outlet valve 10 is opened and regulated to keep a certain pressure in the high-pressure bin 25, under the action of the pressure, water in the transformer oil enters the normal-pressure bin 21 through the reverse osmosis membrane 24 and flows into the water collector 13 after being collected, the water collector 13 is in a glass shape, if water is seen, the collected water is discharged through the water discharge valve 14; during this period, the transformer oil does not pass through the reverse osmosis membrane 24 and enters the top of the transformer oil tank through the oil outlet pipe 11; after the oil inlet micro-water sensor 3 detects that the micro-water content reaches a qualified value after the oil inlet micro-water sensor runs for a first period of time, the system control switch 12 turns off the power supply of the oil pump 4, stops working, enters a timing starting state, and restarts after the set time is reached, runs again, and is reciprocally circulated, so that the transformer oil is kept qualified. If the water is not drained in time, the micro water sensor 16 of the water removal tank can send an alarm signal after sensing that the water exists, and prompt the timely water drainage.
The invention does not need to process transformer oil in a power failure, does not affect normal electricity consumption, does not change the material for adsorbing water molecules, has low cost and automatic monitoring, ensures that the transformer oil always maintains a qualified state, improves the level of safe operation and improves the power supply reliability.
Claims (1)
1. The utility model provides a transformer drying equipment, includes oil feed pipe, advance oil valve, advances little water sensor, oil pump, little water measuring apparatu, oil filter, water removal tank, play oily little water sensor, high-pressure storehouse bleed valve, delivery valve, play oil pipe, system control switch, water collector, water drain valve, drain pipe, water removal tank little water sensor, box, water collector observation hole, little water measuring apparatu observation hole, box lock, its characterized in that: the oil inlet pipe is connected with an oil inlet valve, an oil pump, an oil filter, a water removal tank, an oil outlet valve and an oil outlet pipe; an oil inlet micro-water sensor is arranged on a pipeline behind the oil inlet valve; an oil outlet micro-water sensor and a bleed valve are arranged on an oil outlet pipe of the water removal tank; the water removal tank comprises a tank body, a top cover, a water removal tank oil inlet pipe, a water removal tank oil outlet pipe and a water removal tank oil return pipe, wherein the top cover is provided with a stainless steel barrel, a ceramic ventilation barrel, a reverse osmosis membrane, a water removal tank oil inlet pipe, a water removal tank oil outlet pipe, a water removal tank oil return pipe, a pressure gauge and a normal pressure bin air release valve; the tank body is cylindrical, the bottom of the tank body is funnel-shaped, and the bottom of the tank body is provided with a water collector and a water removal tank micro-water sensor; the outer surface of the ceramic ventilation barrel is provided with a vertical corrugated groove; the bottom of the stainless steel barrel is provided with a water outlet; the oil inlet micro-water sensor, the oil outlet micro-water sensor and the water tank micro-water sensor are electrically connected with the micro-water measuring instrument; the micro water measuring instrument is electrically connected with the system control switch; a high-pressure bin is formed inside the top cover and the reverse osmosis membrane and is communicated with the pressure gauge; a normal pressure bin is formed among the top cover, the stainless steel barrel and the tank body and is communicated with a deflation valve of the normal pressure bin; after primary use or maintenance, firstly opening an oil inlet valve, enabling transformer oil to enter a normal pressure bin through an oil return pipe of a water removal tank, opening a gas release valve of the normal pressure bin, and closing after gas release; opening a high-pressure bin air release valve, starting a system control switch, starting an oil pump to work, closing the high-pressure bin air release valve after air is discharged, opening and adjusting an oil outlet valve to enable the high-pressure bin to keep certain pressure, enabling water in transformer oil to enter a normal-pressure bin through a reverse osmosis membrane under the action of the pressure, collecting the water, and enabling the collected water to flow into a water collector, wherein the water collector is glass, and if water exists, the collected water can be seen to be discharged through a water discharge valve; during the period, the transformer oil does not pass through the reverse osmosis membrane and enters the top of the transformer oil tank through the oil outlet pipe; after the oil inlet micro-water sensor detects that the micro-water content reaches a qualified value after the oil inlet micro-water sensor operates for a first period of time, the system control switch turns off the oil pump power supply, stops working, enters a timing starting state, restarts after reaching a set time, operates again, and reciprocates to keep the transformer oil qualified; if the water is not drained in time, the micro water sensor of the water removal tank can send an alarm signal after sensing that the water exists, and prompt the timely water drainage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411500.9A CN109308961B (en) | 2018-11-24 | 2018-11-24 | Transformer drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411500.9A CN109308961B (en) | 2018-11-24 | 2018-11-24 | Transformer drying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109308961A CN109308961A (en) | 2019-02-05 |
| CN109308961B true CN109308961B (en) | 2024-03-08 |
Family
ID=65223114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811411500.9A Active CN109308961B (en) | 2018-11-24 | 2018-11-24 | Transformer drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109308961B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146528A (en) * | 2021-12-31 | 2022-03-08 | 南京亿碳科技有限公司 | Reduce CO2Greenhouse CO recovery system2Gas discharge device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002015922A (en) * | 2000-06-27 | 2002-01-18 | Hitachi Engineering & Services Co Ltd | Insulating oil processing device for oil-immersed transformer |
| KR100937486B1 (en) * | 2009-08-27 | 2010-01-19 | 동우이엔이주식회사 | Oil purification system of method thereof |
| CN207632748U (en) * | 2017-12-19 | 2018-07-20 | 浙江正信石油科技有限公司 | A kind of White Mineral Oil special production apparatus of classification removal micro-moisture |
| CN208938767U (en) * | 2018-11-24 | 2019-06-04 | 运城清海科技有限公司 | A kind of transformer dry equipment |
-
2018
- 2018-11-24 CN CN201811411500.9A patent/CN109308961B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002015922A (en) * | 2000-06-27 | 2002-01-18 | Hitachi Engineering & Services Co Ltd | Insulating oil processing device for oil-immersed transformer |
| KR100937486B1 (en) * | 2009-08-27 | 2010-01-19 | 동우이엔이주식회사 | Oil purification system of method thereof |
| CN207632748U (en) * | 2017-12-19 | 2018-07-20 | 浙江正信石油科技有限公司 | A kind of White Mineral Oil special production apparatus of classification removal micro-moisture |
| CN208938767U (en) * | 2018-11-24 | 2019-06-04 | 运城清海科技有限公司 | A kind of transformer dry equipment |
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| Publication number | Publication date |
|---|---|
| CN109308961A (en) | 2019-02-05 |
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