CN209752362U - High-precision dewatering oil filter - Google Patents
High-precision dewatering oil filter Download PDFInfo
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- CN209752362U CN209752362U CN201920395363.8U CN201920395363U CN209752362U CN 209752362 U CN209752362 U CN 209752362U CN 201920395363 U CN201920395363 U CN 201920395363U CN 209752362 U CN209752362 U CN 209752362U
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Abstract
The utility model discloses a high-precision dehydration oil filter, belonging to the field of dehydration oil filters, comprising a vacuum oil storage tank, a cyclone, a degassing tower, a Roots vacuum pump, an oil discharge pump, a fine filter and a heater; the vacuum oil storage tank is communicated with the swirler through a first pipeline, and the first pipeline is sequentially provided with a first valve, a coarse filter and an oil inlet pump. The utility model discloses a high accuracy dehydration oil filter, oil after the secondary separation all gets into the fine filter in and purifies, and the oil backward flow after the purification gets into in the vacuum oil storage tank, has realized filtration, recovery and the cyclic utilization of vacuum oil, can improve transformer oil's quality through the dehydration for the oil filter can be practical high-efficiently, and more waste oil can carry out secondary recycle simultaneously, reduces pollution and the harm that waste oil caused the environment, and has reduced the cost of enterprises effectively.
Description
Technical Field
The utility model relates to a dehydration oil filter field especially relates to high accuracy dehydration oil filter.
Background
Along with the increasing attention of the country to the environmental protection requirement, the domestic environmental protection requirement for enterprises is continuously improved, various non-renewable resources are gradually reduced, so that the waste oil is inevitably reused, then the existing transformer oil is recycled, the waste oil can be reused only by the dehydration of a vacuum oil filter, but in the existing vacuum oil filter unit, the waste oil is boiled into water vapor by adopting a degassing tower and combining a vacuum technology, and then the water vapor is discharged by utilizing a vacuum pump, so that the higher the dehydration oil filtering effect is, the better the dehydration oil filtering effect is, the filtering effect of the method of singly filtering and separating by adopting the degassing tower is poor, the efficiency of recovered oil is low, the dehydration efficiency is low, and the pollution and damage of the waste oil to the environment can be caused. Therefore, effective solutions to solve the above problems need to be proposed.
SUMMERY OF THE UTILITY MODEL
in order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a high-precision dehydration oil filter, vacuum oil passing through a cyclone is separated for one time and then enters a fine filter through an overflow port, and the vacuum oil filtered by the fine filter flows back again and enters a vacuum oil storage tank for recycling reasons; thereby realizing primary recovery; in addition, partial vacuum oil which is not separated enters a vacuum degassing tower for secondary separation after passing through a second pipeline and being heated by a heater, the vacuum oil which is degassed is sequentially pumped to a fine filter for filtering by an oil discharge pump, and then enters the inlet end of a vacuum oil storage tank at the reflux, so that the filtering, recovery and cyclic utilization of the vacuum oil are realized, the quality of the transformer oil can be improved through dehydration, an oil filter can be efficiently practical, meanwhile, more waste oil can be secondarily recovered, the pollution and damage of the waste oil to the environment are reduced, and the enterprise cost is effectively reduced.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a high-precision dehydration oil filter, which comprises a vacuum oil storage tank, a cyclone positioned at one side outside the vacuum oil storage tank, a degassing tower positioned at one side outside the cyclone, a Roots vacuum pump used for pumping the inside of the degassing tower to a vacuum state, an oil discharge pump positioned below the degassing tower, a fine filter positioned between the oil discharge pump and the vacuum oil storage tank, and a heater positioned between the cyclone and the degassing tower;
The top outlet end of the vacuum oil storage tank is communicated with the side inlet end of the cyclone through a first pipeline, and a first valve, a coarse filter and an oil inlet pump are sequentially arranged on the first pipeline along the oil inlet direction;
The bottom of the cyclone is communicated with the inlet end at the top of the degassing tower through a second pipeline;
The bottom outlet end of the degassing tower is communicated with the inlet end of the oil discharge pump through a third pipeline;
The outlet end of the oil discharge pump is communicated with the inlet end of the vacuum oil storage tank through a fourth pipeline;
the fine filter is positioned on the fourth pipeline, the inlet end of the fine filter is communicated with the outlet end of the oil discharge pump, and the outlet end of the fine filter is communicated with the inlet end of the vacuum oil storage tank;
And an overflow port is formed in the side wall of the cyclone, and the overflow port is communicated with a fourth pipeline positioned at the inlet end of the fine filter through a fifth pipeline.
Optionally, two distribution discs for filtering moisture are arranged in the degassing tower from top to bottom.
Optionally, the roots vacuum pump and the degassing tower are provided with vacuum condensers.
optionally, a second valve is arranged on the fifth pipeline.
Optionally, a third valve is disposed on the fourth pipeline between the fine filter and the vacuum oil storage tank.
The utility model has the advantages that:
the utility model provides a high accuracy dehydration oil filter, the vacuum oil through swirler can enter the fine filter through the overflow mouth after once separating, the vacuum oil after the fine filter filtration again flows back and enters the vacuum oil storage tank to carry out the recovery cycle reason; thereby realizing primary recovery; in addition, partial vacuum oil which is not separated enters a vacuum degassing tower for secondary separation after passing through a second pipeline and being heated by a heater, the vacuum oil which is degassed is sequentially pumped to a fine filter for filtering by an oil discharge pump, and then enters the inlet end of a vacuum oil storage tank at the reflux, so that the filtering, recovery and cyclic utilization of the vacuum oil are realized, the quality of the transformer oil can be improved through dehydration, an oil filter can be efficiently practical, meanwhile, more waste oil can be secondarily recovered, the pollution and damage of the waste oil to the environment are reduced, and the enterprise cost is effectively reduced.
drawings
Fig. 1 is a schematic view of a main cross-sectional structure of a high-precision dewatering oil filter according to an embodiment of the present invention.
1. a vacuum oil storage tank; 2. a swirler; 3. a degassing tower; 4. a Roots vacuum pump; 5. an oil discharge pump; 6. a fine filter; 7. a heater; 8. a first pipeline; 9. a first valve; 10. a coarse filter; 11. an oil inlet pump; 12. a second pipeline; 13. a third pipeline; 14. a fourth pipeline; 15. a fifth pipeline; 16. a vacuum condenser; 17. a second valve; 18. a third valve; 21. an overflow port; 31. a distribution tray.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
as shown in fig. 1, the high-precision dewatering oil filter comprises a vacuum oil storage tank 1, a cyclone 2 positioned at one side outside the vacuum oil storage tank 1, a degassing tower 3 positioned at one side outside the cyclone 2, a roots vacuum pump 4 for pumping the inside of the degassing tower 3 to a vacuum state, an oil discharge pump 5 positioned below the degassing tower 3, a fine filter 6 positioned between the oil discharge pump 5 and the vacuum oil storage tank 1, and a heater 7 positioned between the cyclone 2 and the degassing tower 3; the top outlet end of the vacuum oil storage tank 1 is communicated with the side inlet end of the cyclone 2 through a first pipeline 8, and a first valve 9, a coarse filter 10 and an oil inlet pump 11 are sequentially arranged on the first pipeline 8 along the oil inlet direction; the bottom of the cyclone 2 is communicated with the top inlet end of the degassing tower 3 through a second pipeline 12; the outlet end at the bottom of the degassing tower 3 is communicated with the inlet end of the oil discharge pump 5 through a third pipeline 13; the outlet end of the oil drain pump 5 is communicated with the inlet end of the vacuum oil storage tank 1 through a fourth pipeline 14; the fine filter 6 is positioned on the fourth pipeline 14, the inlet end of the fine filter is communicated with the outlet end of the oil discharge pump 5, and the outlet end of the fine filter 6 is communicated with the inlet end of the vacuum oil storage tank 1; the side wall of the cyclone 2 is provided with an overflow port 21, and the overflow port 21 is communicated with a fourth pipeline 14 at the inlet end of the fine filter 6 through a fifth pipeline 15.
In the above implementation, specifically, the oil feed pump 11 on the first pipeline 8 is started and the first valve 9 is opened, the oil in the vacuum oil storage tank 1 of the oil feed pump 11 sequentially passes through the coarse filter 10 through the first pipeline 8 and then enters the cyclone 2 located at one side outside the vacuum oil storage tank 1, the cyclone 2 mainly functions to introduce the oil-water mixture to be processed into the cyclone 2 from the tangential inlet at the top of the cyclone 2, the liquid makes high-speed rotational flow motion in the cyclone 2, the floating oil and light phase substances move upward in a rotational flow manner and are discharged from the overflow port 21, since the overflow port 21 is communicated with the fourth pipeline 14 located at the inlet end of the fine filter 6 through the fifth pipeline 15, the vacuum oil separated from the cyclone 2 can be recovered at one level and enters the vacuum oil storage tank 1 after being purified by the fine filter 6, thereby completing the recycling of the vacuum oil, wherein, part of impurities such as oil water and oil stain which are not separated move downwards along the inner wall of the cyclone 2, the oil stain enters a heater 7 positioned between the cyclone 2 and the degassing tower 3 through a second pipeline 12, the heater 7 is used for heating the oil stain before the impurities containing the oil stain enter the degassing tower 3 for shunting, and synchronously starting a Roots vacuum pump 4 to vacuumize the inside of the degassing tower 3, after the oil stain is heated, because the viscosity of oil is reduced after heating, because the bonding force of the oil and water is reduced and the specific gravity of the oil and the water is different, after the oil stain enters the degassing tower 3, the oil in the degassing tower 3 is boiled and converted into water vapor due to the high vacuum degree in the degassing tower 3, and then the water vapor is discharged through the Roots vacuum pump 4, because the boiling point of the water is reduced along with the increase of the vacuum degree, and the higher temperature of the oil is better in dewatering effect, but the excessive temperature can cause the defects of oil carbonization and the like, and is generally controlled at 40-70 ℃; in addition, after degassing, the oil is sequentially pumped to the fine filter 6 through the oil discharge pump 5 to be filtered, and then the oil enters the inlet end of the vacuum oil storage tank 1 through backflow, so that the vacuum oil is filtered, recovered and recycled, the quality of the transformer oil can be improved through dehydration, the oil filter can be used efficiently, meanwhile, more waste oil can be recycled secondarily, the pollution and the damage of the waste oil to the environment are reduced, and the enterprise cost is effectively reduced.
optionally, two distribution disks 31 for filtering water are arranged in the degassing tower 3 from top to bottom, specifically, a double-layer distribution disk 31 is adopted, so that oil can uniformly flow to the raschig ring (not shown) through the distribution disk 31, the raschig ring in the degassing tower 3 is arranged in an upper layer and a lower layer, when the oil just flows in through the distribution disk 31, the water content is the most, the water content can be violently boiled under a vacuum environment to form a large number of bubbles, and the bubbles can automatically and uniformly distribute the oil on the surface of the raschig ring to form a thin oil film layer, so that the evaporation area of the oil is increased, the water evaporation efficiency is greatly improved, the residence time of the oil in the degassing tower 3 is prolonged by using the double-layer distribution disk 31, the water in the oil is evaporated more thoroughly, and the dehydration efficiency is remarkably improved.
Optionally, roots vacuum pump 4 and degasser 3 are equipped with vacuum condenser 16, use vacuum condenser 16 to produce lower temperature and can get off the rapid condensation of the water vapor that roots vacuum pump 4 took out, reduce the possibility that water vapor enters roots vacuum pump 4, improved roots vacuum pump 4 air-extracting ability, can assist effectively and filter out qualified, improve dehydration efficiency.
Optionally, a second valve 17 is disposed on the fifth pipeline 15, the oil separated from the overflow port 21 enters the fifth pipeline 15 by opening the second valve 17, and the fifth pipeline 15 and the fourth pipeline 14 are communicated with each other by opening the second valve 17, so as to achieve primary recovery.
Optionally, a third valve 18 is arranged on the fourth pipeline 14 between the fine filter 6 and the vacuum oil storage tank 1, and the third valve 18 and the first valve 9 are opened synchronously, so that the recovery and utilization of the vacuum oil are realized.
while the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (5)
1. High accuracy dehydration oil filter, its characterized in that:
The vacuum degassing device comprises a vacuum oil storage tank (1), a cyclone (2) positioned on one side outside the vacuum oil storage tank (1), a degassing tower (3) positioned on one side outside the cyclone (2), a roots vacuum pump (4) used for pumping the interior of the degassing tower (3) to a vacuum state, an oil discharge pump (5) positioned below the degassing tower (3), a fine filter (6) positioned between the oil discharge pump (5) and the vacuum oil storage tank (1), and a heater (7) positioned between the cyclone (2) and the degassing tower (3);
The top outlet end of the vacuum oil storage tank (1) is communicated with the side inlet end of the cyclone (2) through a first pipeline (8), and a first valve (9), a coarse filter (10) and an oil inlet pump (11) are sequentially arranged on the first pipeline (8) along the oil inlet direction;
The bottom of the cyclone (2) is communicated with the inlet end at the top of the degassing tower (3) through a second pipeline (12);
The bottom outlet end of the degassing tower (3) is communicated with the inlet end of the oil discharge pump (5) through a third pipeline (13);
the outlet end of the oil discharge pump (5) is communicated with the inlet end of the vacuum oil storage tank (1) through a fourth pipeline (14);
The fine filter (6) is positioned on the fourth pipeline (14), the inlet end of the fine filter is communicated with the outlet end of the oil discharge pump (5), and the outlet end of the fine filter (6) is communicated with the inlet end of the vacuum oil storage tank (1);
The side wall of the cyclone (2) is provided with an overflow port (21), and the overflow port (21) is communicated with a fourth pipeline (14) positioned at the inlet end of the vacuum oil storage tank (1) through a fifth pipeline (15).
2. the high-precision dewatering oil filter of claim 1, characterized in that:
two distribution discs (31) for filtering water are arranged in the degassing tower (3) from top to bottom.
3. The high-precision dewatering oil filter of claim 1, characterized in that:
And the Roots vacuum pump (4) and the degassing tower (3) are provided with vacuum condensers (16).
4. The high-precision dewatering oil filter of claim 1, characterized in that:
And a second valve (17) is arranged on the fifth pipeline (15).
5. the high-precision dewatering oil filter of claim 1, characterized in that:
And a third valve (18) is arranged on the fourth pipeline (14) between the fine filter (6) and the vacuum oil storage tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395363.8U CN209752362U (en) | 2019-03-27 | 2019-03-27 | High-precision dewatering oil filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395363.8U CN209752362U (en) | 2019-03-27 | 2019-03-27 | High-precision dewatering oil filter |
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| CN209752362U true CN209752362U (en) | 2019-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570069A (en) * | 2022-03-25 | 2022-06-03 | 西安东方能源工程有限公司 | Full-automatic control system for impurity and water removal of oil liquid by vacuum pump and use method thereof |
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2019
- 2019-03-27 CN CN201920395363.8U patent/CN209752362U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570069A (en) * | 2022-03-25 | 2022-06-03 | 西安东方能源工程有限公司 | Full-automatic control system for impurity and water removal of oil liquid by vacuum pump and use method thereof |
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