CN103170178A - Oil-liquid purification device - Google Patents
Oil-liquid purification device Download PDFInfo
- Publication number
- CN103170178A CN103170178A CN2013101233305A CN201310123330A CN103170178A CN 103170178 A CN103170178 A CN 103170178A CN 2013101233305 A CN2013101233305 A CN 2013101233305A CN 201310123330 A CN201310123330 A CN 201310123330A CN 103170178 A CN103170178 A CN 103170178A
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- Prior art keywords
- oil
- vacuum tank
- pipeline
- adsorption tanks
- vacuum
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- 239000007788 liquid Substances 0.000 title claims abstract description 10
- 238000000746 purification Methods 0.000 title abstract 2
- 238000001179 sorption measurement Methods 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims description 13
- 239000003463 adsorbent Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 10
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical group C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000003456 ion exchange resin Substances 0.000 claims description 4
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 13
- 239000002253 acid Substances 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 7
- -1 precipitation Substances 0.000 abstract 2
- 239000003086 colorant Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 35
- 238000000034 method Methods 0.000 description 9
- 239000004615 ingredient Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000001172 regenerating effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The invention discloses an oil-liquid purification device which comprises an oil inlet device, an oil outlet device and an adsorption can (1), wherein the oil inlet device comprises an oil inlet pipeline (2) and a coarse strainer (3); the oil outlet device comprises a filter (4) and an oil outlet pipe (5-1 and 5-2); and one end of the oil inlet device is provided with a vacuum oil purifier (6). The acid components, suspended substances, precipitation, colors, moisture, gas and other impurities in waste oil can be removed, and the moisture or gas and other impurities in the waste oil can be removed by directly using a vacuum device.
Description
Technical field
The present invention relates to a kind of oil cleaning device, refer more particularly to a kind of fluid regenerating unit that can remove acid ingredient in waste oil, suspended material, deposit, color, moisture and gas.
Background technology
On various device such as transformer, steam turbine or switch with after oil degradation, its acid number rises, surpass 0.30(mgKOH/g) will have influence on the normal operation of equipment, the present method that adopts for this problem is for passing through physical filtering, although reach filter effect, can only filtering by the impurity in oil, moisture and gas, and can not reduce acid number in oil, need so equipment is followed renew oil again, thereby wasted a large amount of resources.
For the problems referred to above, some manufacturers have researched and developed oil cleaning device, but the fluid that uses this device to obtain also contains the impurity such as moisture content and gas, and the electric property of its fluid is not high, also need re-use physical method, and with Impurity removal, whole filter process is loaded down with trivial details.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of acid ingredient, suspended material, deposit, color, moisture and gaseous impurity fluid regenerating unit of removing in waste oil.
for addressing the above problem, the invention provides a kind of oil cleaning device, comprise oil feeding device, oil discharging device and adsorption tanks, described oil feeding device comprises inflow pipeline and coarse filter, described oil discharging device comprises filter and flowline, described oil feeding device one end is provided with vacuum oil purifier, described vacuum oil purifier comprises vacuum tank, vavuum pump and vacuum pipe, described vacuum tank is connected by vacuum pipe with vavuum pump, described adsorption tanks are connected with oil discharging device by flowline, be provided with oil pipeline between described vacuum tank and adsorption tanks, described vacuum tank is connected by oil pipeline with adsorption tanks, described flowline is connected with oil pipeline, described vacuum tank is connected with oil pipeline by flowline with oil discharging device, described vacuum pipe is provided with condenser, described condenser is connected with vavuum pump, be provided with heater and degassed element in described vacuum tank, be provided with filter core in described adsorption tanks, be provided with adsorbent in described filter core, described oil pipeline is provided with oil drain pump, pressure controller and check valve, described oil pipeline and flowline are provided with duty valve.
Described adsorption tanks side is provided with oil pipeline, and described oil pipeline is connected with the oil pipeline that vacuum tank is provided with, and described oil pipeline is provided with duty valve.
Described adsorbent is ion exchange resin or activated alumina.Be provided with liquid level valve in described vacuum tank, described heater is connected with temperature controller.Described adsorption tanks and vacuum tank are provided with visor.
Compared with prior art, the present invention has the following advantages.
1, described purifier comprises adsorption tanks, described oil feeding device one end is provided with vacuum oil purifier, vacuum oil purifier comprises vavuum pump, produce negative pressure in vacuum tank by vacuumizing to make, make fluid enter vacuum tank, be provided with heater and degassed element in described vacuum tank, fluid heats by heater again and the filming processing of degassed element makes the moisture and the gaseous impurity that contain in fluid fully evaporate, heater is in vacuum tank, can save power consumption, described vacuum pipe is provided with condenser, condenser can prevent mist of oil, steam enters vavuum pump, fluid enters adsorption tanks by oil pipeline after processing through vacuum tank, with the acid ingredient that contains in fluid, suspended material, the impurity such as deposit and color is removed.Oil discharging device of the present invention can directly be connected with vacuum tank, and the impurity such as moisture or gas in waste oil is removed.
2, be provided with liquid level valve in described vacuum tank, described heater is connected with temperature controller.
Described liquid level valve is used for controlling the oil level in vacuum tank, is in below the vacuum tank heap(ed) capacity to guarantee the fluid in vacuum tank.
3, described adsorbent is ion exchange resin or activated alumina, reduces costs, and adsorbent can be selected according to the concrete condition of fluid.
Description of drawings
Fig. 1 is the structural representation of fluid regenerating unit of the present invention.
In figure: 1-adsorption tanks, 2-inflow pipeline, 3-coarse filter, the 4-filter, 5-1 flowline, 5-2 flowline, the 6-vacuum oil purifier, 7-vacuum tank, 8-vavuum pump, the 9-vacuum pipe, 10-1 oil pipeline, 10-2 oil pipeline, the 10-3 oil pipeline, 10-4 oil pipeline, 11-condenser, the 12-heater, the degassed element of 13-, 14-filter core, the 15-oil drain pump, 16-pressure controller, 17-check valve, the 18-1 duty valve, 18-2 duty valve, 18-3 duty valve, the 19-liquid level valve, the 20-temperature controller, 21-1 visor, 21-2 visor.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
as shown in Figure 1, a kind of oil cleaning device comprises oil feeding device, oil discharging device and adsorption tanks 1, oil feeding device comprise inflow pipeline 2 and coarse filter 3, and oil discharging device comprises filter 4 and flowline 5-1, 5-2, oil feeding device one end is provided with vacuum oil purifier 6, and vacuum oil purifier 6 comprises vacuum tank 7, vavuum pump 8 and vacuum pipe 9, vacuum tank 7 is connected by vacuum pipe 9 with vavuum pump 8, and adsorption tanks 1 are by flowline 5-1, 5-2 is connected with oil discharging device, is provided with oil pipeline 10-1 between vacuum tank 7 and adsorption tanks 1, 10-2, 10-3, vacuum tank 7 passes through oil pipeline 10-1 with adsorption tanks 4, 10-2, 10-3 connects, flowline 5-2 and oil pipeline 10-1, 10-2 connects, and vacuum tank 7 passes through flowline 5-2 and oil pipeline 10-1 with oil discharging device, 10-2 connects, and vacuum pipe 9 is provided with condenser 11, and condenser 11 is connected with vavuum pump 8, is provided with heater 12 and degassed element 13 in vacuum tank 7, is provided with filter core 14 in adsorption tanks 1, is provided with adsorbent in filter core 14, and oil pipeline 10-2 is provided with oil drain pump 15, pressure controller 16 and check valve 17, oil pipeline 10-3 and flowline 5-2 are provided with duty valve 18-1, 18-2.
Adsorption tanks 1 side is provided with oil pipeline 10-4, and oil pipeline 10-4 is connected with the oil pipeline 10-1 that vacuum tank 7 is provided with, and oil pipeline 10-4 is provided with duty valve 18-3.
Adsorbent is ion exchange resin or activated alumina.Be provided with liquid level valve 19 in vacuum tank 7, heater 12 is connected with temperature controller 20.Adsorption tanks 1 and vacuum tank 7 are provided with visor 21-1,21-2.
Embodiment one.
Fluid regenerating unit of the present invention is removed the operating process of acid ingredient, suspended material, deposit, color, moisture and gaseous impurity in waste oil, and is as follows.
(1), start vavuum pump 8, when the vacuum list index reach-during 0.1Mpa or approach-0.1Mpa, open inlet valve, by visor 21-2 observe in vacuum tank 7 liquid level, when fluid reaches visor 21-2, open delivery valve, start oil drain pump 15, when having fluid to flow, open heater 12, and pass through the temperature of temperature controller 20 control heaters 12.
(2), fluid is under the effect of negative pressure, at first pass through coarse filter 3 by inflow pipeline 2, to remove greater than the solid particle polluter of 10 μ m, then enter in vacuum tank 7, through heater 2 heating, at the degassed element 13 of process fiber, fluid is carried out filming process, make moisture or gas in fluid guarantee fully evaporation under vacuum state, by vacuum pipe 9, enter condenser 11, open tapping valve and discharge; Opening function valve 18-1 and oil drain pump 15, the fluid after degassed dehydration enter adsorption tanks 1 from vacuum tank 7 by oil pipeline 10-1,10-2,10-3.
(3), fluid is in adsorption tanks 1, through the adsorbent in filter core 14, adsorbent is removed the acid ingredient in fluid, suspended material, deposit or color, open the fuel outlet valve above flowline 5-1, fluid is by flowline 5-1,5-2, and successively by Pressure gauge, filter, the particulate matter that filter may contain fluid after by filter core is removed, the fluid after being purified.Obtain for having removed the fluid of acid ingredient, suspended material, deposit, color, moisture, gaseous impurity.
When (4), needing fluid in emptying adsorption tanks 1, opening function valve 18-1,18-3, close inlet valve, duty valve 18-2, start oil drain pump 15, fluid enters adsorption tanks 1 through after filter core 14 through oil pipeline 10-4,10-1,10-2,10-3, by flowline 5-1,5-2, and discharges by Pressure gauge, filter successively.
Embodiment two.
Fluid regenerating unit of the present invention is removed the moisture in waste oil, the operating process of gaseous impurity, and is as follows.
(1), start vavuum pump 8, when the vacuum list index reach-during 0.1Mpa or approach-0.1Mpa, open inlet valve, by visor 21-2 observe in vacuum tank 7 liquid level, when fluid reaches visor 21-2, open delivery valve, start oil drain pump 15, when having fluid to flow, open heater 12, and pass through the temperature of temperature controller 20 control heaters 12.
(2), fluid is under the effect of negative pressure, at first pass through coarse filter 3 by inflow pipeline 2, to remove greater than the solid particle polluter of 10 μ m, then enter in vacuum tank 7, through heater 2 heating, at the degassed element 13 of process fiber, fluid is carried out filming process, make moisture or gas in fluid guarantee fully evaporation under vacuum state, by vacuum pipe 9, enter condenser 11, open tapping valve and discharge; Closing function valve 18-1, opening function valve 18-2 and oil drain pump 15, the fluid after degassed dehydration enter flowline 5-2 from vacuum tank 7 by oil pipeline 10-1,10-2, and successively by Pressure gauge, filter.Obtain for having removed the fluid of moisture, gaseous impurity.
Teachings herein is example of the present invention and explanation; but do not mean that the obtainable advantage of the present invention is so limited, may be to wherein one or more of the advantage that realizes in the simple transformation of structure and/or some embodiments all in the application's protection domain in every practice process of the present invention.
Claims (5)
1. oil cleaning device, comprise oil feeding device, oil discharging device and adsorption tanks (1), described oil feeding device comprises inflow pipeline (2) and coarse filter (3), described oil discharging device comprises filter (4) and flowline (5-1, 5-2), it is characterized in that: described oil feeding device one end is provided with vacuum oil purifier (6), described vacuum oil purifier (6) comprises vacuum tank (7), vavuum pump (8) and vacuum pipe (9), described vacuum tank (7) is connected by vacuum pipe (9) with vavuum pump (8), described adsorption tanks (1) are by flowline (5-1, 5-2) be connected with oil discharging device, be provided with oil pipeline (10-1 between described vacuum tank (7) and adsorption tanks (1), 10-2, 10-3), described vacuum tank (7) passes through oil pipeline (10-1 with adsorption tanks (4), 10-2, 10-3) connect, described flowline (5-2) and oil pipeline (10-1, 10-2) connect, described vacuum tank (7) passes through flowline (5-2) and oil pipeline (10-1 with oil discharging device, 10-2) connect, described vacuum pipe (9) is provided with condenser (11), described condenser (11) is connected with vavuum pump (8), be provided with heater (12) and degassed element (13) in described vacuum tank (7), be provided with filter core (14) in described adsorption tanks (1), described filter core is provided with adsorbent in (14), described oil pipeline (10-2) is provided with oil drain pump (15), pressure controller (16) and check valve (17), described oil pipeline (10-3) and flowline (5-2) are provided with duty valve (18-1, 18-2).
2. oil cleaning device according to claim 1, it is characterized in that: described adsorption tanks (1) side is provided with oil pipeline (10-4), described oil pipeline (10-4) is connected with the oil pipeline (10-1) that vacuum tank (7) is provided with, and described oil pipeline (10-4) is provided with duty valve (18-3).
3. oil cleaning device according to claim 1, it is characterized in that: described adsorbent is ion exchange resin or activated alumina.
4. oil cleaning device according to claim 1, it is characterized in that: be provided with liquid level valve (19) in described vacuum tank (7), described heater (12) is connected with temperature controller (20).
5. oil cleaning device according to claim 1, it is characterized in that: described adsorption tanks (1) and vacuum tank (7) are provided with visor (21-1,21-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123330.5A CN103170178B (en) | 2013-04-11 | 2013-04-11 | Oil-liquid purification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123330.5A CN103170178B (en) | 2013-04-11 | 2013-04-11 | Oil-liquid purification device |
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| Publication Number | Publication Date |
|---|---|
| CN103170178A true CN103170178A (en) | 2013-06-26 |
| CN103170178B CN103170178B (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310123330.5A Active CN103170178B (en) | 2013-04-11 | 2013-04-11 | Oil-liquid purification device |
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| Country | Link |
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| CN (1) | CN103170178B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531326A (en) * | 2014-12-24 | 2015-04-22 | 安徽康迪纳电力科技有限责任公司 | EH oil recovery device |
| CN104922970A (en) * | 2014-03-23 | 2015-09-23 | 胡森 | Vacuum oil filter for fire resistant oil and vacuum oil filter method |
| CN105754702A (en) * | 2016-02-16 | 2016-07-13 | 国网河南省电力公司电力科学研究院 | System and treatment method for recovering properties of waste transformer oil |
| CN106914059A (en) * | 2015-12-28 | 2017-07-04 | 镇江润京机电科技有限公司 | Vacuum oil-filter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122865U (en) * | 1992-04-05 | 1992-11-25 | 谭书贵 | Multi-funcitonal insulating oil regenerator |
| CN2199986Y (en) * | 1994-05-27 | 1995-06-07 | 重庆福达机电设备研究所 | High effect vacuum lubricating oil filtering machine |
| JP2009256584A (en) * | 2008-04-18 | 2009-11-05 | Samyoung Fil Tech Co Ltd | Moving type apparatus for purifying waste oil |
| CN202460284U (en) * | 2012-02-12 | 2012-10-03 | 戚纪锁 | High-efficiency oil purification vacuum filter device |
| CN203281130U (en) * | 2013-04-11 | 2013-11-13 | 戚纪锁 | Oil level decontamination device |
-
2013
- 2013-04-11 CN CN201310123330.5A patent/CN103170178B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122865U (en) * | 1992-04-05 | 1992-11-25 | 谭书贵 | Multi-funcitonal insulating oil regenerator |
| CN2199986Y (en) * | 1994-05-27 | 1995-06-07 | 重庆福达机电设备研究所 | High effect vacuum lubricating oil filtering machine |
| JP2009256584A (en) * | 2008-04-18 | 2009-11-05 | Samyoung Fil Tech Co Ltd | Moving type apparatus for purifying waste oil |
| CN202460284U (en) * | 2012-02-12 | 2012-10-03 | 戚纪锁 | High-efficiency oil purification vacuum filter device |
| CN203281130U (en) * | 2013-04-11 | 2013-11-13 | 戚纪锁 | Oil level decontamination device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104922970A (en) * | 2014-03-23 | 2015-09-23 | 胡森 | Vacuum oil filter for fire resistant oil and vacuum oil filter method |
| CN104531326A (en) * | 2014-12-24 | 2015-04-22 | 安徽康迪纳电力科技有限责任公司 | EH oil recovery device |
| CN106914059A (en) * | 2015-12-28 | 2017-07-04 | 镇江润京机电科技有限公司 | Vacuum oil-filter |
| CN105754702A (en) * | 2016-02-16 | 2016-07-13 | 国网河南省电力公司电力科学研究院 | System and treatment method for recovering properties of waste transformer oil |
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| Publication number | Publication date |
|---|---|
| CN103170178B (en) | 2014-11-19 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20130626 Assignee: Taizhou City Hongtai Power Equipment Co. Ltd. Assignor: Qi Jisuo Contract record no.: 2015320010018 Denomination of invention: Oil-liquid purification device Granted publication date: 20141119 License type: Exclusive License Record date: 20150318 |
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Effective date of registration: 20180530 Address after: 225300 No. 1, Shanghai Qiao community, Yongan Chau Town, Taizhou, Jiangsu Patentee after: Taizhou City Hongtai Power Equipment Co. Ltd. Address before: 225327 Yongan New District, Taizhou City, Jiangsu Province, No. 6 Patentee before: Qi Jisuo |
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Denomination of invention: Oil-liquid purification device Effective date of registration: 20190613 Granted publication date: 20141119 Pledgee: Bank of China Limited by Share Ltd Taizhou Gaogang sub branch Pledgor: Taizhou City Hongtai Power Equipment Co. Ltd. Registration number: 2019320000275 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200522 Granted publication date: 20141119 Pledgee: Bank of China Limited by Share Ltd Taizhou Gaogang sub branch Pledgor: TAIZHOU CITY FERGUS ELECTRIC POWER EQUIPMENT Co.,Ltd. Registration number: 2019320000275 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Oil-liquid purification device Effective date of registration: 20200526 Granted publication date: 20141119 Pledgee: Bank of China Limited by Share Ltd. Taizhou Gaogang sub branch Pledgor: TAIZHOU CITY FERGUS ELECTRIC POWER EQUIPMENT Co.,Ltd. Registration number: Y2020980002504 |