CN102228760A - Permanent magnet filter stick and method for preparing permanent magnet material thereof - Google Patents
Permanent magnet filter stick and method for preparing permanent magnet material thereof Download PDFInfo
- Publication number
- CN102228760A CN102228760A CN2011101791552A CN201110179155A CN102228760A CN 102228760 A CN102228760 A CN 102228760A CN 2011101791552 A CN2011101791552 A CN 2011101791552A CN 201110179155 A CN201110179155 A CN 201110179155A CN 102228760 A CN102228760 A CN 102228760A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- filter stick
- outer tube
- stick according
- bar
- 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.)
- Pending
Links
Images
Landscapes
- Filtering Materials (AREA)
Abstract
The invention provides a permanent magnet filter stick, comprising an outer sleeve and segmented permanent magnet sticks in the outer sleeve, wherein all segments of permanent magnet stick are separated and connected by common steel tube segments; gaps exist between the outer sleeve and the segmented permanent magnet sticks as well as between the outer sleeve and the common steel tube segments in a radial direction; two ends of the outer sleeve are closed by iron sheets respectively and sealed by seal rings; the segmented permanent magnet sticks are made from NdFeB (neodymium iron boron); the outer sleeve is a stainless steel pipe; the segment number of the permanent magnet sticks is within the range of 4-29; the length and the diameter of the permanent magnet is 20-100mm and 6-30mm respectively; two magnetic poles of each segment of permanent magnet stick are arranged in a radial direction of the permanent magnet stick respectively; the length and the diameter of a common steel tube is 8-10mm and 6-30mm respectively; and the thickness of the iron sheets is 2-3mm. The permanent magnet filter stick is simple in structure, easy to manufacture, simple and easy in application method, wide in use and suitable for large-scale promotion and application.
Description
Technical field
The present invention relates to the permanent magnet product, a kind of water treatment facilities is specifically related to be used for the permanent magnet product and the material thereof of water treatment facilities.
Background technology
Iron and steel manufacturing and metal material processing industry all must eliminate rust to the metal surface, derusting method commonly used has the water under high pressure jet stream rust cleaning method, the rust removal method that sandblasts, away rust by laser method, pickling degreasing rust removal method, alkali cleaning degreasing rust removal method, heat treated method, ultrasonic degreasing rust removal method etc., no matter that a kind of surface derusting method, the capital produces impurity such as a large amount of iron rust, dust, grease, if do not handle the waste liquid that contains these impurity, time one is long, and liquid can smelly, blackening.The method of traditional separation rust cleaning impurity has filtration method, the precipitation method, rotational flow separation method etc., and wherein the precipitation method are consuming time long, and the volume of precipitator tower is big, equipment investment price height; Filtration method need consume a large amount of filtering materials on the one hand, because the iron rust particle is smaller, stop up filtering material easily, the replacing frequency height of filter material, remote-effects production, need equipment such as tubing, valve, controller, water pump or air blast on the other hand, equipment investment and administrative expenses are bigger.
Remove the impurity that gets off through various derusting methods and be blended in waste liquid or the waste gas, the composition of waste liquid or waste gas is very complicated, wherein existing iron filings, grease, dust, Fe
2+, Fe
3+In impurity and ion, acid or alkaline molecule and the ion thereof that add in the rust cleaning process are arranged, the molecule and the ion thereof of additives such as surfactant, drier, paint, corrosion inhibiter again.Some composition in waste liquid or the waste gas is through reuniting or chelating, and part forms the ferromagnetism impurity that is enclosed with iron filings and tri-iron tetroxide, can be attracted by magnetic and remove.In addition, also contain magnetic impurity such as iron filings in cutting fluid, emulsion, lubricating fluid, the transformer wet goods oil-based liquid, need these oil-based liquids be filtered, otherwise long-term use will blocking pipe, influence produces.
Utilize magnetic to have a variety of at present to the filter that the absorption of magnetic impurity develops, application number is that the patent documentation of CN02273214.4 discloses a kind of permanent magnet magnetic filter, by mandrel, ring flange, permanent magnet, sliding bearing, stainless steel cylindrical shape spiral slide is formed, permanent magnet is one group every certain angle and is distributed on the mandrel, when the needs filtered liquid flows through the permanent magnet magnetic filter, permanent magnet is drawn onto magnetic impurity on the surface of stainless steel cylindrical shape spiral slide, magnetic conductivity impurity slides along with the permanent magnet rotation, when magnetic conductivity impurity slided on the surface of stainless steel cylindrical shape spiral slide along with permanent magnet rotation, magnetic conductivity impurity was more and more far away from permanent magnet and control that break away from magnetic force falls into matter collecting box.Application number is that the patent documentation of CN201020264030.0 discloses a kind of magnetic self-cleaning oil strainer: comprise permanent magnet and stainless steel bullet, when lubricating oil passes through filter, trickle metallic particles is adsorbed on the steel flange end sheet surface under the suction of permanent magnet, play the effect of filtering metal particle, because filter is stainless steel material, after removing permanent magnet, filter is with nonmagnetic, absorption affinity to metal impurities is very weak, filter is a bullet, and compressed air advances from importing and exporting oil pipe, when adding air scavenging, substantially do not have the dead angle, can guarantee to blow down clean.All there is equipment structure more complicated in above magnetic rust removalling equipment, and manufacturing process is the shortcoming of difficulty comparatively.
Summary of the invention
At above-mentioned technical problem, the invention provides the preparation method of a kind of permanent magnet filter stick and Nd-Fe-Bo permanent magnet material, utilize the magnetic impurity in ferromagnetic permanent magnet material adsorptive liquid or the dust, both can use separately and handle the liquids and gases that contain magnetic impurity, also can be combined in collaboration application in various filters, the deduster.Permanent magnet filter stick of the present invention is simple in structure, makes easily, and using method is easy, and is of many uses, is suitable for large-scale promotion application.
Technical scheme of the present invention is as follows:
A kind of permanent magnet filter stick comprises outer tube and is installed on the permanent magnet bar of segmentation in the outer tube, is isolated and is connected by the ordinary steel pipeline section between each section permanent magnet bar; The permanent magnet bar of described outer tube and described segmentation and described ordinary steel pipeline section are radially gapped; Two end faces at outer tube are sealed by iron plate respectively, and adopt the sealing ring sealing.
The permanent magnet bar of described segmentation is the neodymium iron boron material;
Described outer tube is a stainless-steel pipe;
The hop count of described permanent magnet bar is 4 ~ 29 sections;
The length of described permanent magnet bar is that 20 ~ 100mm, diameter are 6 ~ 30mm;
Two magnetic poles of described each section permanent magnet bar lay respectively at permanent magnet bar radially;
The length of described common steel tube is that 8 ~ 10mm, diameter are 6 ~ 30mm;
The thickness of described iron plate is 2 ~ 3mm.
The preparation method of the body of permanent magnet material of permanent magnet filter stick: the component of described body of permanent magnet material and mass percent thereof are: neodymium metal 30 ~ 40%, pure iron 56 ~ 64%, boron 2 ~ 4%, metallic cobalt 1 ~ 2%; Concrete preparation process is: suppress after each component of body of permanent magnet material is mixed, press time is 3 ~ 8 minutes, pressure is 0.8 ~ 1.3Mpa, temperature is 80 ~ 90 ℃, directional magnetic field is 9000 ~ 10000 Gausses during compacting, the magnetic field of magnetizing is 15000 ~ 20000 Gausses, and the S-N utmost point lays respectively at body of permanent magnet material radially; Carry out sintering then, sintering time is 3 hours, and sintering temperature is 1020 ~ 1230 ℃, and cooling off in air after 2 ~ 4 hours with temperature is that 35 ~ 45 ℃ wind was cooled off in 30 ~ 80 minutes again.
Beneficial technical effects of the present invention is:
(1) to adopt stainless-steel pipe be that outer tube has following reason in the present invention: the one, because in process to metal-derusting; the pH value changes greatly in waste liquid or the dust; particularly pickling or alkali cleaning rust removal method; can produce serious corrosion to Nd-Fe-Bo permanent magnet material; therefore the present invention is wrapped in permanent magnet in the stainless steel tube, can protect permanent magnet material.The 2nd, because the magnetic of the Nd-Fe-Bo permanent magnet material of the present invention's preparation is more intense, up to 8000 ~ 10000 Gausses, the magnetic impurity that is adsorbed is difficult to remove, employing sleeve type structure device can be with impurity absorption on outer tube, in the needs scarfing cinder, only need extract the stainless steel permanent magnet, after outer tube lost magnetism, impurity can be removed rapidly.
(2) the present invention is connected with iron plate in the position that the permanent magnet pitman is positioned at the outer tube two ends, is gas explosion, the seepage flow phenomenon that does not thoroughly cause because of welding in order to prevent.
(3) the present invention can not only utilize permanent magnet magnetic with the absorption of the magnetic impurity in the liquids and gases, and since many impurity as oil, dust etc., have have a certain viscosity, the material that has itself is the anion state, permanent magnet can adsorb above material equally.
(4) when preparation Nd-Fe-Bo permanent magnet material of the present invention, do not use conventional methods the S-N utmost point is placed on the barred body two ends, the magnetic line of force is not to be parallel to barred body axis (warp) direction, but the S-N utmost point is placed in radially (two sides on the barred body face of cylinder) on the barred body face of cylinder, magnetic line of force around rods body section, be parallel to parallel, the direction that can make perpendicular to filter stick is set like this maximum magnetic field, can adsorb magnetic impurity to greatest extent.
Description of drawings
Fig. 1 is a front view of the present invention, among the figure: 1, outer tube; 2, permanent magnet bar; 3, common steel tube; 4, sealing ring; 5, iron plate.
Fig. 2 is a left view of the present invention, among the figure: 1, outer tube; 4, sealing ring; 5, iron plate.
Specific implementation method
As shown in Figure 1, 2, the present invention includes outer tube 1 and be installed on the permanent magnet bar 2 of segmentation in the outer tube 1, isolate by ordinary steel pipeline section 3 between each section permanent magnet bar 2; The permanent magnet bar 2 of outer tube 1 and described segmentation and described ordinary steel pipeline section 3 are radially gapped; Two end faces at outer tube are sealed by iron plate 5 respectively, and adopt sealing ring 4 sealings.
Wherein: outer tube 1 is the SUS316L stainless-steel pipe; The hop count of permanent magnet bar 2 is 16 sections; The length of permanent magnet bar 2 is that 41mm, diameter are 20mm; Two magnetic poles of each section permanent magnet bar lay respectively at permanent magnet bar 2 radially; The length of common steel tube 3 is that 9mm, diameter are 20mm; The thickness of iron plate 5 is 2mm.
Especially, between outer tube 1 and the Nd-Fe-B permanent magnet 2, and between outer tube 1 and the common steel tube 3 in the gap that 0.2mm is radially arranged respectively because this gap is too small, can't on figure, express.
The material of permanent magnet bar 2 is the Nd-Fe-Bo permanent magnet material body, and its preparation method is as follows:
(1) component and the mass percent thereof of the described body of permanent magnet material of preparation are: neodymium metal 34.5%, pure iron 59%, boron 3%, metallic cobalt 1.5%;
(2) concrete preparation process is: suppress after the component of body of permanent magnet material is mixed, the press time is 5 minutes, and pressure is 1.0MPA, temperature is 85 ℃, directional magnetic field is 10000 Gausses during compacting, and the magnetic field of magnetizing is 16000 Gausses, and the S-N utmost point lays respectively at body of permanent magnet material radially; Carry out sintering then, sintering time is 3 hours, and sintering temperature is 1100 ℃, and cooling is that 40 ℃ wind was cooled off in 1 hour with temperature again after 3 hours naturally in air.
This permanent magnet filter stick can be applied to various abrasive fluids, cleaning fluid, cutting fluid, emulsion, lubricating fluid, transformer oil, surface of steel plate pickling degreasing rust cleaning liquid, alkali cleaning degreasing rust cleaning liquid, heat treated rust cleaning liquid, ultrasonic degreasing rust cleaning liquid, shot peening liquid etc., can use in air cleaning simultaneously.
Claims (9)
1. permanent magnet filter stick is characterized in that comprising outer tube and is installed on the permanent magnet bar of segmentation in the outer tube, is isolated and is connected by the ordinary steel pipeline section between each section permanent magnet bar; The permanent magnet bar of described outer tube and described segmentation and described ordinary steel pipeline section are radially gapped; Two end faces at outer tube are sealed by iron plate respectively, and adopt the sealing ring sealing.
2. permanent magnet filter stick according to claim 1, the permanent magnet bar that it is characterized in that described segmentation is the neodymium iron boron material.
3. permanent magnet filter stick according to claim 1 is characterized in that described outer tube is a stainless-steel pipe.
4. permanent magnet filter stick according to claim 1 and 2, the hop count that it is characterized in that described permanent magnet bar is 4 ~ 29 sections.
5. permanent magnet filter stick according to claim 1 and 2, the length that it is characterized in that described permanent magnet are that 20 ~ 100mm, diameter are 6 ~ 30mm.
6. permanent magnet filter stick according to claim 1 and 2 is characterized in that two magnetic poles of described each section permanent magnet bar lay respectively at permanent magnet bar radially.
7. permanent magnet filter stick according to claim 1, the length that it is characterized in that described common steel tube are that 8 ~ 10mm, diameter are 6 ~ 30mm.
8. permanent magnet filter stick according to claim 1, the thickness that it is characterized in that described iron plate is 2 ~ 3mm.
9. the preparation method of the body of permanent magnet material of the described permanent magnet filter stick of claim 1, it is characterized in that: the component of described body of permanent magnet material and mass percent thereof are: neodymium metal 30 ~ 40%, pure iron 56 ~ 64%, boron 2 ~ 4%, metallic cobalt 1 ~ 2%; Concrete preparation process is: suppress after each component of body of permanent magnet material is mixed, press time is 3 ~ 8 minutes, pressure is 0.8 ~ 1.3Mpa, temperature is 80 ~ 90 ℃, directional magnetic field is 9000 ~ 10000 Gausses during compacting, the magnetic field of magnetizing is 15000 ~ 20000 Gausses, and the S-N utmost point lays respectively at body of permanent magnet material radially; Carry out sintering then, sintering time is 3 hours, and sintering temperature is 1020 ~ 1230 ℃, and cooling off in air after 2 ~ 4 hours with temperature is that 35 ~ 45 ℃ wind was cooled off in 30 ~ 80 minutes again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101791552A CN102228760A (en) | 2011-06-29 | 2011-06-29 | Permanent magnet filter stick and method for preparing permanent magnet material thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101791552A CN102228760A (en) | 2011-06-29 | 2011-06-29 | Permanent magnet filter stick and method for preparing permanent magnet material thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102228760A true CN102228760A (en) | 2011-11-02 |
Family
ID=44841390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101791552A Pending CN102228760A (en) | 2011-06-29 | 2011-06-29 | Permanent magnet filter stick and method for preparing permanent magnet material thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102228760A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269927A (en) * | 2017-08-15 | 2017-10-20 | 柳州声光万家科技有限公司 | One kind removes molten iron valve |
| CN113183467A (en) * | 2021-03-23 | 2021-07-30 | 喻文炜 | Air filtration system for 3D printer |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026805A (en) * | 1976-03-18 | 1977-05-31 | Mapco, Inc. | Magnetic filter |
| JP2005111453A (en) * | 2003-10-10 | 2005-04-28 | Kansai Electric Power Co Inc:The | Magnet filter |
| KR100807780B1 (en) * | 2006-12-26 | 2008-02-26 | 이성재 | Permanent magnet array iron filter |
| JP2009049202A (en) * | 2007-08-20 | 2009-03-05 | Inter Metallics Kk | METHOD OF MANUFACTURING NdFeB-BASED SINTERED MAGNET, AND MOLD FOR MANUFACTURING NdFeB SINTERED MAGNET |
| CN201291088Y (en) * | 2008-10-24 | 2009-08-19 | 西安西工大思强科技有限公司 | Magnetic micro-powder filter |
| CN201524603U (en) * | 2009-09-25 | 2010-07-14 | 张子楠 | Magnetic field deironing purifying device of water feeding system |
| CN101877266A (en) * | 2009-04-30 | 2010-11-03 | 比亚迪股份有限公司 | Sintered neodymium iron boron permanent magnetic material and preparation method thereof |
| CN101901657A (en) * | 2009-05-27 | 2010-12-01 | 比亚迪股份有限公司 | Sintered NdFeB (neodymium iron boron) permanent magnet material and preparation method thereof |
| CN202146672U (en) * | 2011-06-29 | 2012-02-22 | 无锡光旭新材料科技有限公司 | Permanent magnet filter stick |
-
2011
- 2011-06-29 CN CN2011101791552A patent/CN102228760A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026805A (en) * | 1976-03-18 | 1977-05-31 | Mapco, Inc. | Magnetic filter |
| JP2005111453A (en) * | 2003-10-10 | 2005-04-28 | Kansai Electric Power Co Inc:The | Magnet filter |
| KR100807780B1 (en) * | 2006-12-26 | 2008-02-26 | 이성재 | Permanent magnet array iron filter |
| JP2009049202A (en) * | 2007-08-20 | 2009-03-05 | Inter Metallics Kk | METHOD OF MANUFACTURING NdFeB-BASED SINTERED MAGNET, AND MOLD FOR MANUFACTURING NdFeB SINTERED MAGNET |
| CN201291088Y (en) * | 2008-10-24 | 2009-08-19 | 西安西工大思强科技有限公司 | Magnetic micro-powder filter |
| CN101877266A (en) * | 2009-04-30 | 2010-11-03 | 比亚迪股份有限公司 | Sintered neodymium iron boron permanent magnetic material and preparation method thereof |
| CN101901657A (en) * | 2009-05-27 | 2010-12-01 | 比亚迪股份有限公司 | Sintered NdFeB (neodymium iron boron) permanent magnet material and preparation method thereof |
| CN201524603U (en) * | 2009-09-25 | 2010-07-14 | 张子楠 | Magnetic field deironing purifying device of water feeding system |
| CN202146672U (en) * | 2011-06-29 | 2012-02-22 | 无锡光旭新材料科技有限公司 | Permanent magnet filter stick |
Non-Patent Citations (1)
| Title |
|---|
| 蒋建华，曾振鹏: "合金元素对烧结NdFeB永磁材料体断裂强度的影响", 《稀有金属材料与工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269927A (en) * | 2017-08-15 | 2017-10-20 | 柳州声光万家科技有限公司 | One kind removes molten iron valve |
| CN113183467A (en) * | 2021-03-23 | 2021-07-30 | 喻文炜 | Air filtration system for 3D printer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204057041U (en) | Vegetables removal of impurities feedway | |
| CN106794469A (en) | Rotary drum-type magnetic separation | |
| CN103350029A (en) | Vertical dry-process high-gradient superconductive separation system and application process thereof | |
| CN202146672U (en) | Permanent magnet filter stick | |
| CN102228760A (en) | Permanent magnet filter stick and method for preparing permanent magnet material thereof | |
| CN103775027A (en) | Pipeline type special metastable alloy anti-scale and anti-paraffin tool | |
| CN102179386B (en) | Pipeline cleaner ball receiving device with high gradient magnetic separator and powder separation method | |
| CN207079045U (en) | A kind of intelligence backwash electromagnetic filter | |
| CN102344188B (en) | Permanent magnet composite filter screen grid | |
| CN208082683U (en) | A kind of vertical ring high-gradient magnetic separating apparatus | |
| CN202131140U (en) | Permanent-magnet combined filter screen grate | |
| CN203944464U (en) | 40,000 tons of rotary deironing apparatus of carbon black of a kind of annual output | |
| CN105415084A (en) | Cutting liquid filter device | |
| CN202527268U (en) | Device for removing iron from liquid | |
| CN204769102U (en) | Magnesite is permanent magnetism high gradient magnetic separator for deironing | |
| Biloshytskyi et al. | Operational lifetime increase of the pumping equipment when pumping-out contaminated groundwater | |
| CN2930830Y (en) | Deferrization filter | |
| CN204844922U (en) | Solid -liquid separating device | |
| CN203917914U (en) | A kind of removing oil-removing wax device | |
| CN206767861U (en) | A kind of cleaning treatment system for industrial lubricant | |
| CN201525769U (en) | Strong magnetic multifunctional water treatment device | |
| CN204933184U (en) | A kind of mobile steel structure flue dust scavenge unit | |
| CN201736118U (en) | Coiled pipe-type device for separating iron-magnetic grindings | |
| CN108499728A (en) | A kind of vertical ring high-gradient magnetic separating apparatus | |
| RU109004U1 (en) | HIGH-GRADIENT MAGNETIC FILTER |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111102 |