CN2083326U - Low-vacuum oil filter - Google Patents
Low-vacuum oil filter Download PDFInfo
- Publication number
- CN2083326U CN2083326U CN 90214869 CN90214869U CN2083326U CN 2083326 U CN2083326 U CN 2083326U CN 90214869 CN90214869 CN 90214869 CN 90214869 U CN90214869 U CN 90214869U CN 2083326 U CN2083326 U CN 2083326U
- Authority
- CN
- China
- Prior art keywords
- oil
- low
- vacuum
- oil filter
- heater
- 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.)
- Withdrawn
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- Transformer Cooling (AREA)
Abstract
The utility model relates to a low-vacuum oil filter which is composed of an oil level limitator, an oil tank, an air dryer, a low-vacuum pump, an oil pump, an oil filter, a control box, a snake shape oil inlet pipe, a partition board, and a heater. The oil to be treated is introduced into the low-vacuum oil filter from the bottom, and the oil to be treated is introduced into the heater after the heat exchange with the treated oil. Thus the heat energy is saved, the oil output temperature is lowered, and the operational performance is improved. Because of the partition board in the oil tank, the oil can fully contact with the dry air in low vacuum condition, and an ideal dewatering effect is achieved. The utility model has the advantages of good dewatering effect, high efficiency, and low cost.
Description
The utility model is about handling the low vacuum oil filtering unit of transformer oil.
Weak points such as present domestic processing transformer oil is to adopt the high vacuum mode to come except that the moisture content in deoiling basically, and it needs large-scale vacuum pump and booster pump the water-eliminating method of this high vacuum, and it has pair oil tank requirement of strength higher, and efficient is lower.
The purpose of this utility model is: further improve and remove index such as moisture content ability and endurance in the transformer oil.Simultaneously, reduce equipment cost, reduce volume, raise the efficiency.
The utility model is that pending transformer oil is suitably heated the back under the situation of low vacuum, feeds dry gas, adopts the dividing plate form to make oil and dry air carry out convection current in oil tank, and reaches the effect that increases contact area.Simultaneously, the saturated vapour pressure in the oil tank is reduced, then W/O part will be volatilized rapidly.
The utility model has the advantages that: adopt feed continuously dry air and low vacuum combine the method that dewaters than high vacuum remove water law not only produce effect good, the advantage that efficient is high, and minimizing equipment, cost descends.On oil tank top oil is carried out preheating, not only be convenient to dewater, and the aqueous vapor that is evaporated operation smoothness is not obstructed, be easy to realize the purpose of limit heating edge evaporation.In addition, pending oil enters from snakelike oil inlet pipe bottom, not only can make full use of the waste heat of handling back oil, and reduce oil outlet temperature again, has improved oily serviceability.
Accompanying drawing is to describe a schematic diagram of the present utility model.
(1) oil level stop among the figure, (2) oil tank, (3) air dry gas, (4) roughing pump, (5) oil pump, (6) oil filter, (7) empty system case, (8) snakelike oil inlet pipe, (9) upper spacer, (10) heater, (11) lower clapboard.Wherein, lower clapboard (11) becomes U-shaped, and upper spacer (9) becomes ∩ shape, and last lower clapboard interlocks and keeps certain spacing and form one deck dividing plate, and multilayer insulating panel is arranged in oil tank.Snakelike oil inlet pipe top directly is connected with heater base, and air dry gas (3) is connected with oil tank (2) bottom, and roughing pump (4) is bled from oil tank (2) top.
At first start roughing pump (4), enter pending transformer oil from snakelike oil inlet pipe (8) bottom then, after reaching certain level height, start heater (10) simultaneously and feed dry air continuously from the jar bottom by air dryer (3), oil spill after coming out to heater and be heated from coiled pipe top flows to dividing plate, because the damping action of dividing plate makes deep fat and dry air that be arranged time of contact fully.Level height is limited by the oil level stop in the oil tank.Because saturated vapour pressure is lower than the saturated vapour pressure of W/O molecule in jar, W/O part constantly is evaporated to the top, is extracted out by roughing pump.From oil strain gas outlet, after sample examination is qualified, just can be, heat, take out low vacuum and feed dry air continuously and carry out simultaneously, to reach the purpose of continuous processing transformer oil with oil-feed.
Claims (4)
1, a kind of low vacuum oil filter, it is by oil tank (2), air dryer (3), roughing pump (4), oil pump (5), oil filter (6), control cabinet (7) is formed; Oil tank (2) particularly is characterized in that: by heater (10), and snakelike oil inlet pipe (8), oil level stop (1), upper spacer (9) and lower clapboard (11) are formed.
2, low vacuum oil filter as claimed in claim 1 is characterized in that: upper spacer (9) becomes the ∩ type, and lower clapboard becomes the U type, and last lower clapboard interlocks and keeps a determining deviation to form.
3, low vacuum oil filter as claimed in claim 1 is characterized in that: heater (10) is placed on oil tank (2) internal upper part and is connected with snakelike oil inlet pipe (8) top.
4, low vacuum oil filter as claimed in claim 1 is characterized in that: air dryer (3) is connected with oil tank (2) bottom, and roughing pump (4) communicates with oil tank (2) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90214869 CN2083326U (en) | 1990-08-21 | 1990-08-21 | Low-vacuum oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90214869 CN2083326U (en) | 1990-08-21 | 1990-08-21 | Low-vacuum oil filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2083326U true CN2083326U (en) | 1991-08-21 |
Family
ID=4894210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90214869 Withdrawn CN2083326U (en) | 1990-08-21 | 1990-08-21 | Low-vacuum oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2083326U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615485B (en) * | 2009-04-28 | 2011-02-16 | 湖北省输变电工程公司 | Full seal processing method of transformer oil and device thereof |
| CN103985512A (en) * | 2014-05-07 | 2014-08-13 | 昆山达功电子有限公司 | Solar energy auxiliary heating system for transformer oil |
| CN104117241A (en) * | 2014-08-06 | 2014-10-29 | 戚尤龙 | Eddy-type vacuum oil purifier |
-
1990
- 1990-08-21 CN CN 90214869 patent/CN2083326U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615485B (en) * | 2009-04-28 | 2011-02-16 | 湖北省输变电工程公司 | Full seal processing method of transformer oil and device thereof |
| CN103985512A (en) * | 2014-05-07 | 2014-08-13 | 昆山达功电子有限公司 | Solar energy auxiliary heating system for transformer oil |
| CN104117241A (en) * | 2014-08-06 | 2014-10-29 | 戚尤龙 | Eddy-type vacuum oil purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |