CN114011573B - Magnetic fine filtering device with nonferrous metal powder filtering function - Google Patents
Magnetic fine filtering device with nonferrous metal powder filtering function Download PDFInfo
- Publication number
- CN114011573B CN114011573B CN202111440542.7A CN202111440542A CN114011573B CN 114011573 B CN114011573 B CN 114011573B CN 202111440542 A CN202111440542 A CN 202111440542A CN 114011573 B CN114011573 B CN 114011573B
- Authority
- CN
- China
- Prior art keywords
- oil
- filter
- shell
- permanent magnetic
- filter element
- 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.)
- Active
Links
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 20
- 238000001914 filtration Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 title claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 5
- 210000000078 claw Anatomy 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000003365 glass fiber Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 19
- 231100000719 pollutant Toxicity 0.000 abstract description 19
- 239000007788 liquid Substances 0.000 description 13
- 239000002923 metal particle Substances 0.000 description 9
- 239000010865 sewage Substances 0.000 description 8
- 230000003749 cleanliness Effects 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
Abstract
The invention belongs to the technical field of filters, and particularly discloses a magnetic fine filtering device with a nonferrous metal powder filtering function, which comprises the following components: a housing and a filter element set; the shell is internally provided with a permanent magnetic core group for adsorbing iron-containing particles in oil, the permanent magnetic core group consists of a plurality of permanent magnetic cores, each permanent magnetic core consists of a magnetic ring, a bent claw metal sheet and a central shaft, the filter core group consists of a permanent magnetic core group and a filter core, and the central shaft is vertically and fixedly arranged in the filter core; an oil inlet and an oil outlet are arranged on the shell; further comprises: the oil inlet is arranged at the top of the shell, and the oil outlet is arranged below the shell; the permanent magnet core is provided with a plurality of laminated pits. The oil enters the shell from the oil inlet, iron pollutants in the oil are adsorbed by the permanent magnetic core and are locked in pits of the permanent magnetic core, nonmetallic pollutants are blocked by the filter element, and cleaned oil flows out through the oil outlet. The scheme can lock the metal pollutants in the oil.
Description
Technical Field
The invention relates to the technical field of filters, in particular to a magnetic fine filtering device with a nonferrous metal powder filtering function.
Background
In industrial processes, particularly in the machining processes of wire cutting, turning, milling, planing, grinding and the like, a large amount of cleaning liquid and lubricant are required to be used, and the used cleaning liquid and lubricant are discharged as waste liquid along with magnetic impurities such as metal scraps, metal particles and the like generated in the machining process. In order to reduce environmental pollution caused by direct discharge of these waste liquids, it is generally necessary to filter and extract magnetic impurities such as metal scraps and metal particles which are mixed and suspended in these waste liquids, and a magnetic filter is industrially used for filtration.
The application number CN201420604714.9 discloses a magnetic filter, which comprises an upper cover, a filter barrel, a central shaft tube with a hollow interior and a plurality of permanent magnet core groups which are connected in series in sequence and are used for adsorbing iron-containing particles in oil liquid; the upper cover is fixedly connected with the filter vat to form a cavity, the central shaft tube and the plurality of permanent magnetic core groups are contained in the cavity, and the plurality of permanent magnetic core groups are sequentially sleeved outside the central shaft tube; an oil inlet and an oil outlet are respectively arranged on two sides of the upper cover, an oil inlet hole is arranged at the bottom end of the central shaft tube, and the top end of the central shaft tube is communicated with the oil outlet; oil enters from the oil inlet and flows from the surfaces of the plurality of permanent magnet core groups to the bottom of the filter barrel from top to bottom, and the oil at the bottom of the filter barrel enters the central shaft tube and is discharged from the oil outlet; each permanent magnet core group comprises a permanent magnet and two iron toothed rings, and the two iron toothed rings are respectively attracted to the upper end and the lower end of the permanent magnet.
According to the scheme, the permanent magnetic core group is used for adsorbing magnetic impurities such as metal particles and metal wastes, but the iron metal particle pollutants can only be adsorbed on the magnetic coverage area of the effective area of the surface of the magnet, the pollution containing amount is small, the oil flow velocity is high, the adsorbed iron metal pollutants can be separated from the permanent magnetic group under the working environment of unstable pressure and vibration, and the filtered oil is discharged together, so that secondary pollution is caused.
Disclosure of Invention
The purpose of this scheme is to provide one kind and can lock the magnetic fine filter equipment that has the function of filtering nonferrous metal powder of iron metal pollutant.
In order to achieve the above object, the present solution provides a magnetic fine filtration device with a function of filtering nonferrous metal powder, comprising: a housing and a filter element set; the shell is internally provided with a permanent magnetic core group for adsorbing iron-containing particles in oil, the permanent magnetic core group consists of a plurality of permanent magnetic cores, the permanent magnetic cores consist of magnetic rings, bent claw metal sheets and a central shaft, the filter element group consists of the permanent magnetic core group and the filter element, and the central shaft is vertically and fixedly arranged in the filter element; an oil inlet and an oil outlet are formed in the shell; further comprises: the oil inlet is arranged at the top of the shell, and the oil outlet is arranged below the shell; and the permanent magnet core is provided with a plurality of laminated pits.
The principle of the scheme is as follows: the oil enters the shell from the oil inlet, iron pollutants in the oil are adsorbed by the permanent magnetic core group and are locked in pits of the permanent magnetic core group, nonmetallic pollutants are blocked by the filter element, and cleaned oil flows out through the oil outlet.
The beneficial effect of this scheme: the iron metal objects are adsorbed through the cooperation of the permanent magnet magnetic core group and the filter core, the purpose of cleaning oil is achieved, and the iron metal objects are locked in the grooves through the multi-layer-type pit grooves, so that the iron metal objects cannot be separated from the permanent magnet magnetic core to be adsorbed under the environment of unstable flow velocity and high pressure and vibration, the secondary pollution is avoided, the cleanliness of the oil is guaranteed, and the device is applicable to nonferrous metal powder. The flow direction of the liquid passing through the filter element is in an inner inlet and outer outlet flow passage type, so that pollutants are ensured to be trapped in the filter element, and the pollutants cannot fall out to cause secondary pollution when the filter element is replaced. The oil inlet is arranged above the shell, the oil outlet is arranged below the shell, and oil is discharged after being filtered by the filter element group.
Further, the filter element is a glass fiber filter element. The cooperation of fine filter core of glass and permanent magnetism magnetic core group effectively guarantees fluid cleanliness, and fine filter core of glass can detach the aqueous vapor pollution, prolongs the life of filter core.
Further, a differential pressure transmitter is installed on the shell. When the reverse plug back pressure of the filter element reaches 0.22 Mpa, the eye display window on the differential pressure transmitter turns red, and the electric transmitter alarms at the moment that the filter element needs to be replaced and the permanent magnet core needs to be cleaned. After the filter element is replaced, the signal transmitter is automatically reset to a green normal state. The pressure stability and cleanliness of the system cannot be guaranteed due to the fact that the filter element is not replaced in time, accelerated abrasion of the moving element is possibly caused, more pollutants are added, and a pressure difference transmitter is set to remind a person to replace the filter element in time.
Further, a bypass valve is arranged at the oil outlet. The bypass valve opens the oil drainage protection when the filter element back-plug back pressure reaches 0.25 Mpa, and the bypass valve is set to automatically open the oil drainage protection, so that the oil drainage is prevented from being influenced by blockage of the filter element.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Detailed Description
The following is a further detailed description of the embodiments:
the labels in the drawings of this specification include: the oil inlet 2, the oil outlet 3, the bypass valve 4, the central shaft 5, the filter element group 6, the permanent magnet core group 7, the water outlet 8, the floating ball 9, the pit 10, the filter screen 11, the spring 12 and the impurity outlet pipe 13.
Example 1 is substantially as shown in figure 1:
the shell 1 is provided with an oil inlet 2 and an oil outlet 3, the oil inlet 2 is arranged at the top of the right side surface of the shell 1, the oil outlet 3 is arranged below the shell 1, a plurality of permanent magnetic core groups 7 form permanent magnetic core groups 7, the permanent magnetic cores are arranged at intervals from top to bottom to form the permanent magnetic core groups 7, the permanent magnetic core groups 7 are used for adsorbing iron-containing particles in oil, the permanent magnetic core groups 7 and the filter core groups 6 form filter core groups 6, the permanent magnetic cores are composed of magnetic rings, bent claw metal sheets and a central shaft 5, the central shaft 5 is arranged in the middle of the inside of the shell 1, the plurality of permanent magnetic core groups 7 are vertically fixed in the glass fiber filter core through a pull rod to form the filter core groups 6, the glass fiber filter core is made of cotton, the oil can permeate the glass fiber filter core, the outer diameter and the effective length of the permanent magnetic core groups 7 are matched with the size specification of the glass fiber filter core, multi-layer type pit slots 10 are formed in each permanent magnetic core, the oil enters the shell 1 from the oil inlet 2, the iron pollutants in the oil are adsorbed by the permanent magnetic core groups 7, and are locked in the pit slots 10 of the permanent magnetic core groups 7, the nonmetallic pollutants are blocked by the filter cores, and the cleaned oil flows out 3. Through the cooperation of permanent magnetism magnetic core group 7 and filter core, reach the purpose of clean fluid, through setting up many range upon range of formula pit slots 10 with the iron metal thing lock in the inslot for the iron metal thing can not break away from the absorption of permanent magnetism magnetic core group 7 under the unstable and vibrations environment of velocity of flow high pressure, can not break away from permanent magnetism magnetic core group 7, causes secondary pollution, guarantees the cleanliness of fluid, to nonferrous metal powder, equally suitable. The flow direction of liquid passing through the glass fiber filter element is in an inner inlet and outer outlet flow passage type, so that pollutants are ensured to be trapped in the glass fiber filter element, and the pollutants cannot be separated to cause secondary pollution when the glass fiber filter element is replaced. The cooperation of fine filter core of glass and permanent magnetism magnetic core group 7 effectively guarantees fluid cleanliness, and the fine filter core of glass can detach the aqueous vapor pollution, prolongs the life of filter core. Considering the pollution amount of the metal powder contained in the filter element and the permanent magnetic core group 7 in the shell 1, the high-pressure water gun can be selected to remove pollutants. The oil inlet 2 is arranged above the shell 1, the oil outlet 3 is arranged below the shell 1, and the oil is discharged after being filtered by the filter element group 6.
The casing 1 is provided with a differential pressure transmitter, when the reverse plug back pressure of the filter element reaches 0.22 Mpa, a destination window on the differential pressure transmitter turns red, and the transmitter alarms at the moment that the filter element needs to be replaced and the permanent magnet core group 7 is cleaned. After the filter element is replaced, the signal transmitter is automatically reset to a green normal state. The oil outlet 3 is provided with the bypass valve 4, the bypass valve 4 opens the oil drainage protection when the filter element back pressure reaches 0.25 Mpa, the pressure stability and the cleanliness of the system cannot be guaranteed due to the fact that the filter element is not replaced in time, accelerated abrasion of a moving element is possibly caused, more pollutants are added, therefore, a person is reminded of timely replacing the filter element by setting the differential pressure signaling device, the oil drainage protection is automatically opened due to setting of the bypass valve 4, and the oil drainage is prevented from being blocked by the filter element, so that the oil drainage is prevented from being influenced.
During specific operation, oil enters the shell 1 from the oil inlet 2, iron pollutants in the oil are adsorbed by the permanent magnetic core group 7 and are locked in the pit 10 of the permanent magnetic core group 7, nonmetallic pollutants are blocked through the glass fiber filter element, and cleaned oil flows out through the oil outlet 3.
When the reverse plug back pressure of the filter element reaches 0.22 Mpa, the eye display window on the differential pressure transmitter turns red, and the electric transmitter alarms at the moment that the filter element needs to be replaced and the permanent magnet core group 7 is cleaned. After the filter element is replaced, the signal transmitter is automatically reset to a green normal state. And when the back pressure of the filter element reverse plug reaches 0.25 Mpa, starting the oil drainage protection.
In embodiment 2, basically as shown in fig. 2, the pit 10 is in a "U" shape, the bottom of the pit 10 is provided with a water outlet hole 8, the water outlet hole 8 is provided with a floating ball 9 for blocking the water outlet hole 8, the floating ball 9 can float in water, when no water exists, the floating ball 9 blocks the water outlet hole 8 due to self gravity, the side wall of the pit 10 is in a convex shape, the side wall of the pit 10 is provided with a plurality of transverse lines distributed at intervals, when sewage passes through the pit 10, metal particles in the sewage stay on the transverse lines on the pit 10, the sewage gathers in the pit 10, the floating ball 9 rises along with the increase of water quantity and does not block the water outlet hole 8 any more, so that the sewage is discharged, and the metal particles in the sewage are locked on the transverse lines of the pit 10. On the one hand, the pit 10 is U-shaped, and metal particles on transverse lines are not easy to wash away when sewage flows. On the other hand, sewage can stay on the pit 10 for a period of time, and the arrangement of the floating ball 9 fully enables the permanent magnet core group 7 to adsorb metal particles and then discharges clean sewage.
In embodiment 3, as shown in fig. 3 basically, a filter screen 11 is disposed inside the filter core group 6, the filter screen 11 is disposed right below the permanent magnetic core group 7, a spring 12 is disposed between the filter screen 11 and the bottom wall of the filter core group 6, the spring 12 supports the position of the filter screen 11, a impurity outlet pipe 13 is disposed on the left side wall of the filter core group 6, the filter screen 11 is obliquely disposed inside the filter core from right to left, and the left end of the oblique filter screen 11 is just below the impurity outlet pipe 13. When oil enters the filter core, metal particles are adsorbed by the permanent magnet core group 7, the oil flows to extrude the filter screen 11 to move downwards, the spring 12 is compressed, the oil is discharged through the filter screen 11, impurities on the oil are hung on the filter screen 11, the impurities on the oil slide down to the left end of the filter screen 11 due to the inclined arrangement of the filter screen 11, however, the left end of the filter screen 11 is lower than the pipe orifice of the impurity outlet pipe 13, the impurities are accumulated on the filter screen 11, when oil is not fed any more, the filter screen 11 is not extruded by the oil any more, the spring 12 rebounds, the filter screen 11 moves upwards, and the accumulated impurities on the filter screen 11 are discharged through the impurity outlet pipe 13. The filter screen 11 is obliquely arranged to facilitate the discharge of impurities through the impurity outlet pipe 13. The impurity outlet pipe 13 is provided with a valve for controlling the impurity outlet pipe 13 to be closed, the filter screen 11 is provided with a contact switch which is abutted with the impurity outlet pipe 13, the contact switch is electrically connected with the valve, when oil liquid impacts the filter screen 11, the filter screen 11 moves downwards and does not abut against the contact switch, the valve is closed, the impurity outlet pipe 13 is closed, oil liquid and impurities cannot be discharged through the impurity outlet pipe 13, when the oil liquid does not impact the filter screen 11 any more, the filter screen 11 moves upwards and abuts against the contact switch, the valve is opened, and impurities on the filter screen 11 are discharged through the impurity outlet pipe 13. The valve, the filter screen 11, the contact switch and the spring 12 are matched with each other to discharge impurities in the filter element, and meanwhile, when oil liquid impacts the filter screen 11, the impurity outlet pipe 13 is closed, so that the oil liquid is prevented from being discharged through the impurity outlet pipe 13.
The foregoing is merely exemplary embodiments of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (4)
1. A magnetic fine filter device with a function of filtering nonferrous metal powder, comprising: a housing and a filter element set;
the shell is internally provided with a permanent magnetic core group for adsorbing iron-containing particles in oil, the permanent magnetic core group consists of a plurality of permanent magnetic cores, the permanent magnetic cores consist of magnetic rings, bent claw metal sheets and a central shaft, the filter element group consists of the permanent magnetic core group and the filter element, and the central shaft is vertically and fixedly arranged in the filter element;
an oil inlet and an oil outlet are formed in the shell;
characterized by further comprising: the oil inlet is arranged at the top of the shell, and the oil outlet is arranged below the shell; the permanent magnet core is provided with a plurality of laminated pits;
the pit is U-shaped, the bottom of the pit is provided with a water outlet hole, the water outlet hole is provided with a floating ball for blocking the water outlet hole,
the filter core is characterized in that a filter screen is arranged inside the filter core group, the filter screen is arranged right below the permanent magnet core group, a spring is arranged between the filter screen and the bottom wall of the filter core group, the spring supports the position of the filter screen, the left side wall of the filter core group is provided with a impurity outlet pipe, the filter screen is obliquely arranged inside the filter core from right to left, and the left end of the oblique filter screen is just below the impurity outlet pipe.
2. The magnetic fine filtering device with the function of filtering nonferrous metal powder according to claim 1, wherein the filter element is a glass fiber filter element.
3. The magnetic fine filter device with the function of filtering nonferrous metal powder according to claim 1, wherein a differential pressure transmitter is installed on the shell.
4. The magnetic fine filtering device with the function of filtering nonferrous metal powder according to claim 1, wherein a bypass valve is arranged at the oil outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111440542.7A CN114011573B (en) | 2021-11-30 | 2021-11-30 | Magnetic fine filtering device with nonferrous metal powder filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111440542.7A CN114011573B (en) | 2021-11-30 | 2021-11-30 | Magnetic fine filtering device with nonferrous metal powder filtering function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114011573A CN114011573A (en) | 2022-02-08 |
| CN114011573B true CN114011573B (en) | 2024-04-12 |
Family
ID=80067100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111440542.7A Active CN114011573B (en) | 2021-11-30 | 2021-11-30 | Magnetic fine filtering device with nonferrous metal powder filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114011573B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0924222A (en) * | 1995-07-10 | 1997-01-28 | Tokyo Seiko Kk | Filter apparatus for oil mixed with magnetic material powder or the like |
| KR19990032298U (en) * | 1997-12-31 | 1999-07-26 | 추호석 | Magnetic Oil Filter |
| CN2418257Y (en) * | 1999-06-30 | 2001-02-07 | 申强 | Magnetic-adsorption machine-oil filtering device |
| CN2661930Y (en) * | 2003-11-13 | 2004-12-08 | 韩永苗 | Rotary mounting permanentmagnet oil filter |
| CA2549952A1 (en) * | 2003-12-15 | 2005-07-07 | D2O, Llc | Fluid purifier having magnetic field generation |
| CN203091067U (en) * | 2013-01-30 | 2013-07-31 | 成都措普科技有限公司 | Sintered filter |
| CN103252127A (en) * | 2013-04-25 | 2013-08-21 | 霍志明 | Oil suction plastic part of pipeline |
| CN103495497A (en) * | 2012-03-28 | 2014-01-08 | 四平大吉强磁滤清器有限公司 | Fluid high-intensity magnetic integrated filter |
| CN204193643U (en) * | 2014-10-20 | 2015-03-11 | 深圳市中特路能源创新科技有限公司 | Magnetic filter |
| KR101706031B1 (en) * | 2016-08-19 | 2017-02-14 | (주)대경테크 | Magnet separate type cutting oil |
| CN107218102A (en) * | 2017-05-18 | 2017-09-29 | 蚌埠市风驰滤清器有限公司 | A kind of many element oil filters |
| CN107829859A (en) * | 2017-11-21 | 2018-03-23 | 浙江东原机车部件有限公司 | Gasoline filter |
| CN109277195A (en) * | 2018-11-21 | 2019-01-29 | 江西洪都航空工业集团有限责任公司 | Filter |
| CN208858688U (en) * | 2018-10-18 | 2019-05-14 | 重庆康百世机电设备有限公司 | A kind of return filter and the hydraulic power unit with it |
| CN112676035A (en) * | 2020-12-01 | 2021-04-20 | 重庆环纽信息科技有限公司 | Anti-blocking filter element for oil product filtration |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8900449B2 (en) * | 2012-03-13 | 2014-12-02 | Cpc Corporation, Taiwan | Magnetic filter for refining and chemical industries |
-
2021
- 2021-11-30 CN CN202111440542.7A patent/CN114011573B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0924222A (en) * | 1995-07-10 | 1997-01-28 | Tokyo Seiko Kk | Filter apparatus for oil mixed with magnetic material powder or the like |
| KR19990032298U (en) * | 1997-12-31 | 1999-07-26 | 추호석 | Magnetic Oil Filter |
| CN2418257Y (en) * | 1999-06-30 | 2001-02-07 | 申强 | Magnetic-adsorption machine-oil filtering device |
| CN2661930Y (en) * | 2003-11-13 | 2004-12-08 | 韩永苗 | Rotary mounting permanentmagnet oil filter |
| CA2549952A1 (en) * | 2003-12-15 | 2005-07-07 | D2O, Llc | Fluid purifier having magnetic field generation |
| CN103495497A (en) * | 2012-03-28 | 2014-01-08 | 四平大吉强磁滤清器有限公司 | Fluid high-intensity magnetic integrated filter |
| CN203091067U (en) * | 2013-01-30 | 2013-07-31 | 成都措普科技有限公司 | Sintered filter |
| CN103252127A (en) * | 2013-04-25 | 2013-08-21 | 霍志明 | Oil suction plastic part of pipeline |
| CN204193643U (en) * | 2014-10-20 | 2015-03-11 | 深圳市中特路能源创新科技有限公司 | Magnetic filter |
| KR101706031B1 (en) * | 2016-08-19 | 2017-02-14 | (주)대경테크 | Magnet separate type cutting oil |
| CN107218102A (en) * | 2017-05-18 | 2017-09-29 | 蚌埠市风驰滤清器有限公司 | A kind of many element oil filters |
| CN107829859A (en) * | 2017-11-21 | 2018-03-23 | 浙江东原机车部件有限公司 | Gasoline filter |
| CN208858688U (en) * | 2018-10-18 | 2019-05-14 | 重庆康百世机电设备有限公司 | A kind of return filter and the hydraulic power unit with it |
| CN109277195A (en) * | 2018-11-21 | 2019-01-29 | 江西洪都航空工业集团有限责任公司 | Filter |
| CN112676035A (en) * | 2020-12-01 | 2021-04-20 | 重庆环纽信息科技有限公司 | Anti-blocking filter element for oil product filtration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114011573A (en) | 2022-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104096410A (en) | Magnetic automatic filter for fluid | |
| CN2788917Y (en) | Caustic or emulsion circulating purifier for steel rolling | |
| CN103964546A (en) | Intelligent oily-sewage capturing and separating system | |
| CN210251421U (en) | Slurry magnetic filter | |
| CN114011573B (en) | Magnetic fine filtering device with nonferrous metal powder filtering function | |
| CN201686509U (en) | Rotary ceramic water purifier | |
| CN111018193A (en) | Sewage treatment system based on swirler | |
| CN109231519A (en) | A kind of stage purifying device of direct drinking | |
| CN110721545A (en) | Wet dust collector | |
| CN104129836A (en) | Oil-water well stratigraphic reservoir water-injection decontamination filtering self-cleaning device | |
| CN209411944U (en) | A kind of oil water separator | |
| CN216295367U (en) | Filter core convenient to back flush is clear away and is held back dirty stifled thing | |
| CN203355445U (en) | Back-wash flow-guiding non-return dirt separator | |
| KR101456580B1 (en) | Oil filter and oil filtering apparatus comprising the same | |
| CN205031958U (en) | Rotary drum type filter | |
| CN211585543U (en) | Dirty oil filtering and purifying device polluted by high-concentration ultrafine particle pollutants | |
| CN204051324U (en) | A kind of continuous reformer gas-liquid coalescer | |
| CN210457581U (en) | Automatic change oily sewage treatment filter core | |
| CN208603892U (en) | A kind of city river, lake sewage cleaning equipment | |
| CN110552934B (en) | Hydraulic oil filter element | |
| CN209128090U (en) | A kind of oily-water seperating equipment convenient for filter residue is discharged | |
| CN104014178B (en) | A kind of automatic backwash lubricating filtering device | |
| CN107982981B (en) | Self-cleaning precision filter and filtering method | |
| CN102553302B (en) | Oil-water separating unit for alkali degreasing production line | |
| CN209242789U (en) | A kind of oily-water seperating equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |