CN114011573A - Magnetic fine filtering device with non-ferrous metal powder filtering function - Google Patents
Magnetic fine filtering device with non-ferrous metal powder filtering function Download PDFInfo
- Publication number
- CN114011573A CN114011573A CN202111440542.7A CN202111440542A CN114011573A CN 114011573 A CN114011573 A CN 114011573A CN 202111440542 A CN202111440542 A CN 202111440542A CN 114011573 A CN114011573 A CN 114011573A
- Authority
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- China
- Prior art keywords
- filter element
- permanent magnet
- oil
- shell
- magnet core
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 title claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 title claims abstract description 13
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 35
- 239000003344 environmental pollutant Substances 0.000 abstract description 20
- 231100000719 pollutant Toxicity 0.000 abstract description 20
- 239000012535 impurity Substances 0.000 description 12
- 239000002923 metal particle Substances 0.000 description 9
- 239000010865 sewage Substances 0.000 description 8
- 230000003749 cleanliness Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 206010040925 Skin striae Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000010814 metallic waste Substances 0.000 description 2
- 229920000742 Cotton Polymers 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
- 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Images
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 function of filtering nonferrous metal powder, which comprises: the filter element group is arranged on the shell; the filter element group consists of a permanent magnet element group and a 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 comprising: the oil inlet is arranged at the top of the shell, and the oil outlet is arranged below the shell; the permanent magnetic cores are all provided with multilayer laminated pit slots. Inside fluid entered into the casing from the oil inlet, the inside iron pollutant of fluid was adsorbed by permanent magnet core, and the lock is at permanent magnet core's pot hole inslot, and non-metallic pollutant passes through the filter core and is blocked, and clean fluid passes through the oil-out and flows. The scheme can lock metal pollutants in oil.
Description
Technical Field
The invention relates to the technical field of filters, in particular to a magnetic fine filtering device with a function of filtering nonferrous metal powder.
Background
In industrial processes, particularly in machining processes such as wire cutting, turning, milling, planing, grinding, etc., a large amount of cleaning fluid and lubricant is used, and the used cleaning fluid and lubricant are discharged as waste fluid along with magnetic impurities such as metal waste and metal particles 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, metal particles, etc. that are entrained or suspended in these waste liquids, and filtration is often performed by industrially using a magnetic filter.
The application number is CN201420604714.9, which discloses a magnetic filter, comprising an upper cover, a filter barrel, a central shaft tube with a hollow inner part and a plurality of permanent magnet core groups which are sequentially connected in series and used for adsorbing iron-containing particles in oil; the upper cover and the filter barrel are fixedly connected to form a cavity in an enclosing mode, the central shaft tube and the plurality of permanent magnet core groups are contained in the cavity, and the plurality of permanent magnet 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 formed in 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 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 then is discharged from the oil outlet; each permanent magnet core group comprises a permanent magnet and two iron gear rings, and the two iron gear rings are respectively attracted to the upper end and the lower end of the permanent magnet.
Above-mentioned scheme passes through magnetic impurities such as permanent magnetism magnetic core group absorption metal particle and metal waste, but indisputable metal particle pollutant only can be adsorbed magnetic force overlay area on the effective area on magnet surface, the pollutant carrying capacity is little, and the fluid velocity of flow can lead to the iron metal pollutant of absorption to deviate from permanent magnetism magnetic group greatly under the operational environment of pressure unstability and vibrations, along with the fluid after the filtration together discharges, causes secondary pollution.
Disclosure of Invention
The purpose of this scheme is to provide a magnetism fine filtration device that has the function of filtering non ferrous metal powder that can lock iron metal pollutant.
In order to achieve the above object, the present scheme provides a magnetic fine filtering device with a function of filtering nonferrous metal powder, comprising: the filter element group is arranged on the shell; the filter element group comprises a permanent magnet core group and a filter element, wherein the permanent magnet core group is used for adsorbing iron-containing particles in oil and consists of a plurality of permanent magnet cores, each permanent magnet core consists of a magnet ring, a bent claw metal sheet and a central shaft, the filter element group consists of the permanent magnet 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 comprising: the oil inlet is arranged at the top of the shell, and the oil outlet is arranged below the shell; and the permanent magnetic cores are all provided with multilayer stacked pit slots.
The principle of the scheme is as follows: inside fluid entered into the casing from the oil inlet, the inside iron pollutant of fluid was adsorbed by permanent magnet core group, and the lock is at the hole inslot of permanent magnet core group, and non-metallic pollutant passes through the filter core and is blocked, and clean fluid passes through the oil-out and flows.
The beneficial effect of this scheme: adsorb iron metal thing through the cooperation of permanent magnet core group with the filter core, reach the purpose of clean fluid, through setting up multilayer formula pot hole groove with iron metal thing lock at the inslot for iron metal thing can not break away from permanent magnet core's absorption under the environment of velocity of flow high pressure unstability and vibrations, can not break away from permanent magnet core, causes secondary pollution, guarantees the cleanliness of fluid, to non ferrous metal powder, is suitable for equally. The flow direction of liquid passing through the filter element is an inward-entering and outward-going flow channel type, so that pollutants are guaranteed to be trapped in the filter element, and the pollutants cannot be separated out to cause secondary pollution when the filter element is replaced. Establish the oil inlet in the casing top, the oil-out is established in the casing below, guarantees that fluid is discharging after filtering through the filter element group.
Further, the filter element is a glass fiber filter element. The cooperation of glass fiber filter core and permanent magnetism core group effectively guarantees the fluid cleanliness, and the glass fiber filter core can detach aqueous vapor and pollute, prolongs the life of filter core.
Further, a differential pressure signal transmitter is arranged on the shell. When the back pressure of the filter element plug is up to 0.22 Mpa, the visual window on the differential pressure signal transmitter turns to red, and the electric signal transmitter gives an alarm that the filter element needs to be replaced and the permanent magnetic core needs to be cleaned. After the filter element is replaced, the signal transmitter automatically resets to return to the green normal state. Untimely filter core replacement can influence the pressure stability and the cleanliness of the system can not be guaranteed, accelerated wear of moving elements can be caused, more pollutants are increased, and the setting of the differential pressure signal generator reminds personnel of timely filter core replacement.
Further, a bypass valve is arranged at the oil outlet. The back pressure of the filter element plug falling of the bypass valve reaches 0.25 Mpa, the oil drainage protection is opened automatically, and the filter element is prevented from being blocked, so that oil liquid discharge is not influenced.
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 further detailed by the specific embodiments:
the reference numbers in the drawings of the specification include: the filter comprises a shell 1, an oil inlet 2, an oil outlet 3, a bypass valve 4, a central shaft 5, a filter element group 6, a permanent magnet core group 7, a water outlet hole 8, a floating ball 9, a pit groove 10, a filter screen 11, a spring 12 and a sundry outlet pipe 13.
Example 1 is substantially as shown in figure 1:
an oil inlet 2 and an oil outlet 3 are arranged on a shell 1, 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 magnet core groups 7 form a permanent magnet core group 7, the permanent magnet cores are arranged at intervals from top to bottom to form the permanent magnet core group, the permanent magnet core group 7 is used for adsorbing iron-containing particles in oil, the permanent magnet core group 7 and the filter core group 6 form a filter core group 6, the permanent magnet core is composed of a magnet ring, a curved claw metal sheet and a central shaft 5, the central shaft 5 is arranged in the middle of the inside of the shell 1, the permanent magnet core groups 7 are vertically fixed inside the glass fiber filter core through a pull rod to form the filter core group 6, the glass fiber filter core is cotton, the oil can permeate the glass fiber filter core, the outer diameter and the effective length of the permanent magnet core group 7 are matched with the size specification of the glass fiber filter core, a plurality of stacked pit slots 10 are arranged on the permanent magnet core, the oil inlet 2 enters the shell 1, the inside iron pollutant of fluid is adsorbed by permanent magnet core group 7, and the lock is in the hole groove 10 of permanent magnet core group 7, and non-metallic pollutant is blocked through the fine filter core of glass, and the fluid after the cleanness flows out through oil-out 3. Adsorb iron metal thing through the cooperation of permanent magnet core group 7 with the filter core, reach the purpose of clean fluid, through setting up multilayer formula pot hole groove 10 with iron metal thing lock at the inslot for iron metal thing can not break away from the absorption of permanent magnet core group 7 under the environment of velocity of flow high pressure unstability and vibrations, can not break away from permanent magnet core group 7, causes secondary pollution, guarantees the cleanliness of fluid, to non ferrous metal powder, is suitable for equally. The flow direction of the liquid passing through the glass fiber filter element is an inward-entering and outward-going flow channel type, so that pollutants are guaranteed to be trapped in the glass fiber filter element, and the pollutants cannot be separated out to cause secondary pollution when the glass fiber filter element is replaced. The cooperation of the glass fiber filter core and the permanent magnet magnetic core group 7 effectively ensures the cleanliness of oil, the glass fiber filter core can remove water and gas pollution, and the service life of the filter core is prolonged. Considering the pollution amount of the metal powder contained in the filter element inside the shell 1 and the permanent magnet core group 7, a high-pressure water gun can be used for removing pollutants. Establish oil inlet 2 in casing 1 top, oil-out 3 is established in casing 1 below, guarantees that fluid is discharging after filtering through filter element group 6.
The shell 1 is provided with a differential pressure signal transmitter, when the back pressure of the filter element plug falls to 0.22 Mpa, a visual window on the differential pressure signal transmitter turns to red, and the electric signal transmitter gives an alarm that the filter element needs to be replaced and the permanent magnet core group 7 needs to be cleaned. After the filter element is replaced, the signal transmitter automatically resets to return to the green normal state. 3 departments of oil-out are equipped with bypass valve 4, and bypass valve 4 reaches 0.25 Mpa at the filter core back pressure of falling the stopper and opens the draining protection, and the untimely renew cartridge can influence the pressure stability and the cleanliness of system and can not guarantee, probably cause the accelerated wear of motion element, increase more pollutants, therefore the setting for of pressure difference signaling apparatus reminds personnel in time to renew cartridge, and the draining protection is opened automatically in the setting for of bypass valve 4, avoids going out the jam at the filter core, influences the fluid and discharges.
During specific operation, inside fluid entered into casing 1 from oil inlet 2, the inside iron pollutant of fluid was adsorbed by permanent magnet core group 7, and the lock is in permanent magnet core group 7's hole groove 10, and non-metallic pollutant is blocked through the fine filter core of glass, and clean fluid passes through oil-out 3 effluviums.
When the back pressure of the filter element plug falls to 0.22 Mpa, the visual window on the differential pressure signal generator turns to red, and the electric signal generator gives an alarm that the filter element needs to be replaced and the permanent magnet core group 7 needs to be cleaned. After the filter element is replaced, the signal transmitter automatically resets to return to the green normal state. When the back pressure of the filter element plug is up to 0.25 Mpa, the oil drainage protection is opened.
In embodiment 2, as shown in fig. 2 basically, the pit 10 is "U" type, the bottom of the pit 10 is equipped with the apopore 8, be equipped with the floater 9 that is used for shutoff apopore 8 on the apopore 8, the floater 9 can float in aqueous, when there is no water, the apopore 8 is stopped to floater 9 because self gravity, the pit 10 lateral wall is the protruding form, and the pit 10 lateral wall is equipped with the striae of a plurality of intervals arrangements, when sewage passes through the pit 10, the metal particle in the sewage stops on the striae on the pit 10, sewage gathers in the pit 10, along with the increase of water yield, the floater 9 rises and no longer blocks up apopore 8, make sewage discharge, and the metal particle in the sewage is locked on the striae of pit 10. On one hand, the pit 10 is U-shaped, so that when sewage flows, metal particles on the transverse striation are not easy to wash away. On the other hand, sewage can stay for a period of time on the pit 10, and the arrangement of the floating ball 9 fully allows the permanent magnet core group 7 to adsorb metal particles, and then clean sewage is discharged.
In embodiment 3, as shown in fig. 3 basically, a filter screen 11 is arranged inside a filter element group 6, the filter screen 11 is arranged right below a permanent magnet core group 7, a spring 12 is arranged between the filter screen 11 and the bottom wall of the filter element group 6, the spring 12 supports the position of the filter screen 11, a waste outlet pipe 13 is arranged on the left side wall of the filter element group 6, the filter screen 11 is obliquely arranged inside the filter element from right to left, and the left end of the oblique filter screen 11 is just below the waste outlet pipe 13. Inside fluid enters into the filter core, metal particle is adsorbed by permanent magnet core group 7, fluid flow extrusion filter screen 11 downstream, spring 12 is compressed, fluid passes through filter screen 11 and discharges, impurity on the fluid hangs on filter screen 11, because filter screen 11 slope sets up, the impurity landing of fluid is to the left end of filter screen 11, however, the left end of filter screen 11 is less than the mouth of pipe of play miscellaneous pipe 13, impurity accumulates on filter screen 11, when no longer the oil feed, filter screen 11 no longer receives the fluid extrusion, spring 12 kick-backs, filter screen 11 rebound, make the impurity of totalizing on the filter screen 11 discharge through play miscellaneous pipe 13. The inclined arrangement of the filter screen 11 facilitates the discharge of impurities through the impurity discharge pipe 13. Be equipped with the valve that is used for controlling miscellaneous pipe 13 and closes in miscellaneous pipe 13 department, be equipped with the contact switch of butt with it on the filter screen 11, electric connection between contact switch and the valve, when there is fluid to strike filter screen 11, filter screen 11 moves down and no longer supports contact switch, the valve is closed, miscellaneous pipe 13 of play closes, fluid and impurity can not discharge through miscellaneous pipe 13 of play, when fluid no longer strikes filter screen 11, filter screen 11 moves up, support contact switch, make the valve open, impurity on the filter screen 11 is discharged through miscellaneous pipe 13 of play. Valve, filter screen 11, contact switch and spring 12 mutually support and can discharge the inside impurity of filter core, simultaneously, goes out miscellaneous pipe 13 and closes when fluid strikes filter screen 11, avoids obtaining fluid and discharges through going out miscellaneous pipe 13.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (4)
1. A magnetic fine filtering device with a function of filtering nonferrous metal powder comprises: the filter element group is arranged on the shell;
the filter element group comprises a permanent magnet core group and a filter element, wherein the permanent magnet core group is used for adsorbing iron-containing particles in oil and consists of a plurality of permanent magnet cores, each permanent magnet core consists of a magnet ring, a bent claw metal sheet and a central shaft, the filter element group consists of the permanent magnet 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;
it is characterized by also comprising: the oil inlet is arranged at the top of the shell, and the oil outlet is arranged below the shell; and the permanent magnetic cores are all provided with multilayer stacked pit slots.
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 filtering device with the function of filtering nonferrous metal powder according to claim 1, wherein a differential pressure signal transmitter is installed on the housing.
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 true CN114011573A (en) | 2022-02-08 |
| CN114011573B CN114011573B (en) | 2024-04-12 |
Family
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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 |
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| CN (1) | CN114011573B (en) |
Citations (16)
| 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 |
| US20130240455A1 (en) * | 2012-03-13 | 2013-09-19 | Amt International Inc. | Magnetic Filter for Refining and Chemical Industries |
| 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 |
-
2021
- 2021-11-30 CN CN202111440542.7A patent/CN114011573B/en active Active
Patent Citations (16)
| 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 |
| US20130240455A1 (en) * | 2012-03-13 | 2013-09-19 | Amt International Inc. | Magnetic Filter for Refining and Chemical Industries |
| 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 |
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| KR101706031B1 (en) * | 2016-08-19 | 2017-02-14 | (주)대경테크 | Magnet separate type cutting oil |
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| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114011573B (en) | 2024-04-12 |
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