CN108079655A - Transformer insulation oil cycles micro- water treatment system online - Google Patents
Transformer insulation oil cycles micro- water treatment system online Download PDFInfo
- Publication number
- CN108079655A CN108079655A CN201810096341.1A CN201810096341A CN108079655A CN 108079655 A CN108079655 A CN 108079655A CN 201810096341 A CN201810096341 A CN 201810096341A CN 108079655 A CN108079655 A CN 108079655A
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- CN
- China
- Prior art keywords
- oil
- solenoid valve
- vacuum
- micro
- water
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- 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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Classifications
-
- 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
- B01D36/003—Filters in combination with devices for the removal of liquids
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Transformer Cooling (AREA)
Abstract
The present invention, which disclose and provides a kind of oil by inside transformer, carries out that circulating vacuum is dry and decomposition product filters, so that transformer can not be had a power failure, the transformer insulation oil of online cyclic drying maintenance do not stopped work cycles micro- water treatment system online.The present invention includes passing sequentially through the oil plant import that oil pipe is connected（1）, oil plant coarse filter（2）, the first solenoid valve（3）, second solenoid valve（4）And oil plant outlet（5）, present invention additionally comprises the micro- water circular treatment group of vacuum, the micro- water circular treatment group of vacuum is arranged on first solenoid valve by oil pipe connection（3）Oil outlet end and the second solenoid valve（4）Oil inlet end between.The present invention is suitable for the online process field of the micro- water of transformer insulation oil.
Description
Technical field
The present invention relates to a kind of transformer insulation oils to cycle micro- water treatment system online.
Background technology
Power transformer is one of most important component of power transmission and transformation system, it is necessary to for years safe and reliable operation.Become
The stability of depressor is limited to winding insulation system, and winding insulation system is also to be carried out using the paper and polishing paper that immerse in liquid
Insulation, fibrous paper and polishing paper carry mineral oil.But more or less all contain water in general mineral oil, these water are in transformation
Inside transformer can be slowly penetrated into even into equipment and materials body in device operation, and even if containing very little in mineral oil
The water content of PPM and the dielectric strength that liquid can be reduced, while the fibrous paper and polishing paper to insulate can suck the water in oil,
Accelerated ageing, the service life for so allowing for transformer shorten.The aged deterioration of insulating paper is impossible to recover in maintenance maintenance
, so technical staff must carry out micro- water drying process to the mineral oil of the inside of transformer, to ensure the stabilization of transformer
And the service life.
The previous drying carried out to the insulating paper in transformer is all to take out insulating paper from transformer to be placed on again very
It is dried in empty oven, and this work must be completed in workshop, therefore transformer is had to entirely to take out and is grown
Up to the maintenance of some months, this not only causes to stop work for a long time due to maintenance cycle is long, at the same maintenance cost also expend it is huge.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies of the prior art and provide one kind by inside transformer
Oil carry out that circulating vacuum is dry and decomposition product filtering so that transformer can not be had a power failure, do not stop work it is online
The transformer insulation oil that cyclic drying is safeguarded cycles micro- water treatment system online.
The technical solution adopted in the present invention is：The present invention includes passing sequentially through oil plant import, the oil plant that oil pipe is connected
Coarse filter, the first solenoid valve, second solenoid valve and oil plant outlet, present invention additionally comprises the micro- water circular treatment group of vacuum, institutes
It states the micro- water circular treatment group of vacuum and the oil outlet end of first solenoid valve and the second solenoid valve is arranged on by oil pipe connection
Oil inlet end between.
The micro- water circular treatment group of vacuum include be sequentially connected by oil pipe the oil heater connect, vacuum oil filtering tank and
Oil pump, the micro- water circular treatment group of vacuum further include the 3rd solenoid valve, separator and the vacuum pump for being sequentially connected and connecing, institute
The oil inlet end for stating oil heater is connected with the oil outlet end of first solenoid valve, the oil outlet of the oil pump and the described second electricity
The oil inlet end of magnet valve is connected, and the water inlet end of the 3rd solenoid valve is connected with the vacuum oil filtering tank, the micro- water of vacuum
Circular treatment group further includes bypass oil pipe, and the bypass oil pipe is connected in first solenoid valve and the second solenoid valve.
It is provided with filtering cartridge filter, the first float switch and the second float switch in the vacuum oil filtering tank, described
One float switch and second float switch respectively with first solenoid valve, the second solenoid valve and described
Three solenoid valves are electrically connected.
The filtering cartridge filter is arranged on the first half inside the vacuum oil filtering tank, the top of the filtering cartridge filter with
The oil inlet end of the vacuum oil filtering tank is connected, the bottom of the filtering cartridge filter and the tank body bottom of the vacuum oil filtering tank
Oil storage space is installed between face.
First float switch and second float switch are placed in the oil storage space, the described first floating control
Switch is placed at the lower section of the filtering cartridge filter, and second float switch is placed at the lower section of first float switch.
Filter opening aperture on the filtering cartridge filter is 0.8-1.2 microns.
Peep hole is provided on the side wall of the vacuum oil filtering tank.
The 4th solenoid valve is provided between the oil plant import and the oil plant coarse filter.
The beneficial effects of the invention are as follows：In the present invention, as a result of with oil heater, vacuum oil filtering tank, the 3rd electricity
The circulating oil path of magnet valve, oil pump and shunt valve composition comes along with the 3rd solenoid valve, separator and vacuum pump to Xun Huan
Oil in oil circuit carries out vacuum water-oil separating so that recycle oil moisture is carried out in circulating oil path containing micro- water transformer insulation oil
From, filtering, micro- water, particle and the decomposition product of transformer insulation oil are thoroughly removed, eliminate conductive hidden of inside transformer
Suffer from, so that transformer equipment realizes the purpose that online dry is safeguarded.
Description of the drawings
Fig. 1 is the structure connection diagram of the present invention.
Specific embodiment
As shown in Figure 1, the present invention includes passing sequentially through oil plant import 1, the oil plant coarse filter 2, first that oil pipe is connected
Solenoid valve 3, second solenoid valve 4 and oil plant outlet 5, are provided with the between the oil plant import 1 and the oil plant coarse filter 2
Four solenoid valves 13.Present invention additionally comprises the micro- water circular treatment group of vacuum, the micro- water circular treatment group of vacuum is connected by oil pipe
It is arranged between the oil outlet end of first solenoid valve 3 and the oil inlet end of the second solenoid valve 4.The oil plant import 1 is with becoming
The oil plant outlet of depressor is connected, and the oil plant outlet 5 is connected with the oil plant import of the transformer.
The micro- water circular treatment group of vacuum include be sequentially connected by oil pipe the oil heater 6 connect, vacuum oil filtering tank 7 with
And oil pump 9, the micro- water circular treatment group of vacuum, which further includes, is sequentially connected the 3rd solenoid valve 10 connect, separator 11 and true
Sky pump 12, the oil inlet end of the oil heater 6 is connected with the oil outlet end of first solenoid valve 3, the oil outlet of the oil pump 9
It is connected with the oil inlet end of the second solenoid valve 4, the water inlet end of the 3rd solenoid valve 10 is connected with the vacuum oil filtering tank 7
It connects, the micro- water circular treatment group of vacuum further includes bypass oil pipe 14, and the bypass oil pipe 14 is connected to first solenoid valve 3
With in the second solenoid valve 4.Peep hole 74 is provided on the side wall of the vacuum oil filtering tank 7.
Wherein described first solenoid valve 3 and second solenoid valve 4 are two-bit triplet solenoid valve.
Filtering cartridge filter 71, the first float switch 72 and the second float switch 73 are provided in the vacuum oil filtering tank 7,
First float switch 72 and second float switch 73 respectively with first solenoid valve 3, second electromagnetism
Valve 4 and the 3rd solenoid valve 10 are electrically connected.Filter opening aperture on the filtering cartridge filter 71 is 1 micron.
The filtering cartridge filter 71 is arranged on the first half inside the vacuum oil filtering tank 7, the filtering cartridge filter 71
Top is connected with the oil inlet end of the vacuum oil filtering tank 7, bottom and the vacuum oil filtering of the filtering cartridge filter 71
Oil storage space is installed between the tank body bottom surface of tank 7.
First float switch 72 and second float switch 73 are placed in the oil storage space, and described first
Float switch 72 is placed at the lower section of the filtering cartridge filter 71, and second float switch 73 is placed at the described first floating control and opens
Close 72 lower section.
Operation principle：
The oil pump 9 and the 4th solenoid valve 13 are opened, transformer insulation oil is from the oil plant import 1 into and through described
Oil plant coarse filter 2, at this time the oil plant coarse filter 2 the coarse grain impurity in transformer insulation oil and a small amount of moisture content are filtered out
Fall.Transformer insulation oil through coarse filtration is heated through first solenoid valve 3 into the oil heater 6 again, when being heated to
After preset temperature, transformer insulation oil is sent in the vacuum oil filtering tank 7.Transformer insulation oil is first through the filtering cartridge filter
Most granule foreigns can be filtered out and by these particles by 71 filterings, 1 micron of filter opening of the filtering cartridge filter 71
Impurities are in the filtering cartridge filter 71.
The transformer insulation oil filtered by granule foreign is flowed into the oil storage space, the change in the oil storage space
When the page of depressor insulating oil reaches the position of first float switch 72, first float switch 72 controls described first
Described in connection and unlatching simultaneously and the connection for bypassing oil pipe 14, control of the closing of solenoid valve 3 with 1 direction of oil plant import
Second solenoid valve 4 is closed and the oil plant exports connecting and opening simultaneously and the connection for bypassing oil pipe 14, control for 5 directions
3rd solenoid valve 10 is opened, and the vacuum pump 12 starts and the vacuum oil filtering tank 7 is vacuumized so that in institute
The transformer insulation oil stated in oil storage space carries out water-oil separating, except separated water is delivered in the separator 11 side by side
Portion.During this, transformer insulation oil is also filtered in the micro- water circular treatment group internal circulation flow of the vacuum in the vacuum
Vacuum water-oil separating is carried out in oil tank 7, so as to reach circulating vacuum water-oil separating and the impurity mistake for transformer insulation oil
Filter.
When the liquid level of transformer insulation oil is after removing impurity and water-oil separating, liquid level starts relative drop, works as liquid
When face drops to the position of second float switch 73, second float switch 73 controls first solenoid valve 3 to open
Connection with 1 direction of oil plant import simultaneously simultaneously closes off and the connection of the bypass oil pipe 14, the control second solenoid valve 4
It opens and exports the connection in 5 directions with the oil plant and simultaneously close off and connection, the control of the bypass oil pipe 14 the 3rd electricity
Magnet valve 10 is closed, while the vacuum pump 12 is stopped, and is passed through by circulating filtration and the transformer insulation oil of water-oil separating
The oil plant outlet 5 is back in external transformer.
The present invention is suitable for the online process field of the micro- water of transformer insulation oil.
Claims (8)
1. a kind of transformer insulation oil cycles micro- water treatment system online, it includes passing sequentially through the oil plant import that oil pipe is connected
（1）, oil plant coarse filter（2）, the first solenoid valve（3）, second solenoid valve（4）And oil plant outlet（5）, it is characterised in that：Institute
It states transformer insulation oil and cycles micro- water treatment system online and further include the micro- water circular treatment group of vacuum, micro- cycling of the water place of vacuum
Reason group is arranged on first solenoid valve by oil pipe connection（3）Oil outlet end and the second solenoid valve（4）Oil inlet end it
Between.
2. transformer insulation oil according to claim 1 cycles micro- water treatment system online, it is characterised in that：The vacuum
Micro- water circular treatment group includes being sequentially connected the oil heater connect by oil pipe（6）, vacuum oil filtering tank（7）And oil pump（9）, institute
It states the micro- water circular treatment group of vacuum and further includes the 3rd solenoid valve for being sequentially connected and connecing（10）, separator（11）And vacuum pump
（12）, the oil heater（6）Oil inlet end and first solenoid valve（3）Oil outlet end be connected, the oil pump（9）Go out
Hydraulic fluid port and the second solenoid valve（4）Oil inlet end be connected, the 3rd solenoid valve（10）Water inlet end and the vacuum filter
Oil tank（7）It is connected, the micro- water circular treatment group of vacuum further includes bypass oil pipe（14）, the bypass oil pipe（14）It is connected to
First solenoid valve（3）With the second solenoid valve（4）On.
3. transformer insulation oil according to claim 2 cycles micro- water treatment system online, it is characterised in that：The vacuum
Canister（7）Inside it is provided with filtering cartridge filter（71）, the first float switch（72）And second float switch（73）, described first
Float switch（72）And second float switch（73）Respectively with first solenoid valve（3）, the second solenoid valve
（4）And the 3rd solenoid valve（10）It is electrically connected.
4. transformer insulation oil according to claim 3 cycles micro- water treatment system online, it is characterised in that：The filter cylinder
Filter（71）It is arranged on the vacuum oil filtering tank（7）The internal first half, the filtering cartridge filter（71）Top with it is described
Vacuum oil filtering tank（7）Oil inlet end be connected, the filtering cartridge filter（71）Bottom and the vacuum oil filtering tank（7）'s
Tank body is installed with oil storage space between bottom surface.
5. transformer insulation oil according to claim 4 cycles micro- water treatment system online, it is characterised in that：Described first
Float switch（72）And second float switch（73）It is placed in the oil storage space, first float switch（72）
It is placed at the filtering cartridge filter（71）Lower section, second float switch（73）It is placed at first float switch（72）
Lower section.
6. transformer insulation oil according to claim 3 cycles micro- water treatment system online, it is characterised in that：The filter cylinder
Filter（71）On filter opening aperture be 0.8-1.2 microns.
7. transformer insulation oil according to claim 3 cycles micro- water treatment system online, it is characterised in that：The vacuum
Canister（7）Side wall on be provided with peep hole（74）.
8. transformer insulation oil according to claim 1 cycles micro- water treatment system online, it is characterised in that：The oil plant
Import（1）With the oil plant coarse filter（2）Between be provided with the 4th solenoid valve（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096341.1A CN108079655A (en) | 2018-01-31 | 2018-01-31 | Transformer insulation oil cycles micro- water treatment system online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096341.1A CN108079655A (en) | 2018-01-31 | 2018-01-31 | Transformer insulation oil cycles micro- water treatment system online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108079655A true CN108079655A (en) | 2018-05-29 |
Family
ID=62193599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810096341.1A Pending CN108079655A (en) | 2018-01-31 | 2018-01-31 | Transformer insulation oil cycles micro- water treatment system online |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108079655A (en) |
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2018
- 2018-01-31 CN CN201810096341.1A patent/CN108079655A/en active Pending
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