CN103111811A - Manufacturing method for kaolin iron removal filter screen - Google Patents
Manufacturing method for kaolin iron removal filter screen Download PDFInfo
- Publication number
- CN103111811A CN103111811A CN2013100726076A CN201310072607A CN103111811A CN 103111811 A CN103111811 A CN 103111811A CN 2013100726076 A CN2013100726076 A CN 2013100726076A CN 201310072607 A CN201310072607 A CN 201310072607A CN 103111811 A CN103111811 A CN 103111811A
- Authority
- CN
- China
- Prior art keywords
- screen pack
- kaolin
- alloy sheet
- vertical bar
- iron
- 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
Images
Abstract
The invention discloses a manufacturing method for a kaolin iron removal filter screen. The manufacturing method for the kaolin iron removal filter screen comprises the steps such as distributing wires, manufacturing ripples, manufacturing a circular notch, winding, welding and plating zinc. The manufacturing method for the kaolin iron removal filter screen has the advantages that iron removal effect of the kaolin iron removal filter screen manufactured through the manufacturing method is improved, remaining composition such as brazing filler metal or welding rods can not exist in the filter screen, kaolin can not be polluted in the process of iron removal, the filter screen manufactured by adoption of the manufacturing method is firm in structure, and deformation and falling apart can not occur easily when the filter screen is used.
Description
Technical field
The present invention relates to a kind of manufacture method of removing iron by kaolin screen pack, relate in particular to a kind of manufacture method of the removing iron by kaolin screen pack take iron cobalt magnetically soft alloy as material.
Background technology
Kaolin is the claystone class mineral products take kandite as main component, it is a kind of 1:1 type phyllosilicate, main component is silica and alundum (Al2O3), also contain a small amount of iron oxide, titanium dioxide, the compositions such as magnesia, it has plasticity, caking property, fire resistance, insulating properties and chemical stability etc.It is a kind of industrial mineral of function admirable, is widely used in the aspects such as pottery, papermaking, rubber, building materials, paint and petrochemical industry.
Pure kaolin presents the white of kaolinite mineral itself, causes that the principal element that the kaolin whiteness reduces is organic carbon, pigment element (as iron, titanium, vanadium, chromium, copper, manganese etc.) and the melanocratic minerals such as biotite, chlorite.Wherein iron and titanium are the principal elements that affects the kaolin whiteness, have affected to a great extent the quality of its physical property and deep processing products obtained therefrom, have limited the range of application of product.Kaolin can promote kaolinic quality after processing through iron-removal and whitening.Consult Fig. 1, removing iron by kaolin method commonly used is to utilize the electromagnetic deironing machine deironing, electromagnetic deironing machine comprises casing 1, charging aperture 2, discharging opening 3 and magnetic pole 4 etc., discharging opening 3 is arranged on casing 1 upper end, charging aperture 2 is arranged on casing 1 lower end, magnetic pole 4 is arranged on casing 1 inside, the periphery of magnetic pole 4 is provided with magnetic separation tube 5, coil 6 and insulating barrier 7 from inside to outside in turn, magnetic separation tube 5 is comprised of multiple filtration net 8, and charging aperture 2, screen pack 8 and discharging opening 3 form the flow through passage of electromagnetic deironing machine of kaolin slurries.When kaolin slurry is flowed through screen pack 8, coil 6 energising, screen pack 8 is magnetized and can adsorbs iron part in kaolin slurry, thereby reaches the purpose of removing iron by kaolin.
The manufacturing of common screen pack be generally to select stainless iron or stainless steel as the material of screen pack, and stainless iron or stainless saturation induction density is generally less than 0.8T, and de-ferrous effect is not ideal enough.In the manufacture process of common screen pack, be generally first with the screen pack global formation, and then artificial welding, this method is difficult to be welded to each node of screen pack, so filter screen structure is firm not; In addition, adopt the method for artificial electric welding, need to use solder or welding rod, the solder or the welding rod that remain in screen pack can pollute the kaolin in iron removal.
Chinese patent CN2476350Y discloses a kind of device that utilizes laser technology, electromagnetic technique and natural manganese ores to carry out deironing and filtration, and this device comprises the screen pack that stainless steel is prepared into, and it is not good that it puts into practice de-ferrous effect.CN102583412A discloses a kind of method that removing iron by kaolin brightens, and it carries out acidleach with sulfuric acid to kaolin, then with formaldehyde, acetaldehyde, kaolin is reduced deironing, after filtration, obtain brightening the kaolin sample after washing, drying.This method of whitening is simple to operate, but has environmental pollution, shortcoming that the process operation cost is high.
Summary of the invention
In order to overcome in prior art the technological deficiency of solder in removing iron by kaolin weak effect, iron removal or the easy polluted kaolin of welding rod, the invention provides a kind of manufacture method that can promote the deironing screen pack of removing iron by kaolin effect.Its good iron removal effect, and can not cause any pollution to kaolin in iron removal, significantly promoted kaolinic quality.
Technical scheme of the present invention is: a kind of manufacture method of removing iron by kaolin screen pack, and wherein said deironing screen pack material is the iron cobalt magnetically soft alloy that contains vanadium, its saturation induction density is greater than 2.2T.Select iron cobalt magnetically soft alloy as the material of making the removing iron by kaolin screen pack, can promote the de-ferrous effect of removing iron by kaolin screen pack.Employing contains the iron cobalt magnetically soft alloy of vanadium metal as the material of screen pack, makes screen pack have better processing characteristics, is convenient to manufacturing and the processing of screen pack.The inventor finds by a large amount of experiments and practice, when the saturation induction density of the iron cobalt magnetically soft alloy that contains vanadium can promote the removing iron by kaolin effect of screen pack greater than 2.2T, use the deironing screen pack that this material makes all can obtain gratifying de-ferrous effect in removing iron by kaolin technique.
The manufacture method of removing iron by kaolin screen pack described above, the described iron cobalt magnetically soft alloy that contains vanadium is the percentage composition meter by weight, and its chemical composition is preferably: 0≤C≤0.04%, 0≤Mn≤0.30%, 0≤Si≤0.30%, 0≤P≤0.020%, 0≤S≤0.020%, 0≤Cu≤0.20%, 0≤Ni≤0.50%, 49.0%≤Co≤51.0%, 0.80%≤V≤1.80%, 0.50%≤Zn≤0.70%, surplus are Fe.
The manufacture method of removing iron by kaolin screen pack described above, it comprises the following steps:
A) sub-wire: iron cobalt magnetically soft alloy is cut into wide vertical bar shape alloy sheet;
B) make ripple: vertical bar shape alloy sheet is made ripple obtain the corrugated alloy sheet;
C) make circumferential notch: vertical bar shape alloy sheet is welded into circular ring plate, obtains the circumferential notch of screen pack;
D) coiling: vertical bar shape alloy sheet is alternately coiled in the periphery of circumferential notch with the corrugated alloy sheet and guarantee that the crest of corrugated alloy sheet or trough contact with the vertical bar shape alloy sheet of the outside or inboard respectively;
E) be welded and fixed: crest or trough and the vertical bar shape alloy sheet contact point of welding corrugated alloy sheet make vertical bar shape alloy sheet be fixedly connected with trough with the crest of corrugated alloy sheet;
F) hocketing of step d) and step e) can obtain screen pack;
G) zinc-plated: as step f) gained screen pack to be carried out zinc-plated processing can obtain the deironing screen pack.
In the manufacture method of removing iron by kaolin screen pack described above, steps d and step e hocket, and can be welded to each node of screen pack, therefore make the structure of screen pack more firm.The high-frequency welding that is welded as of adopting in described step c) and step e) is welded, and does not use solder or welding rod in welding process.Therefore, can residual deironing cobalt magnetically soft alloy in the removing iron by kaolin screen pack other outer compositions, can the kaolin in iron removal not polluted.
In the manufacture method of removing iron by kaolin screen pack described above, the quantity that the quantity of the described vertical bar shape alloy sheet in described steps d is preferably one and/or described corrugated alloy sheet is one.Whole screen pack is only used a vertical bar shape alloy sheet and/or a corrugated alloy sheet, makes the structure of screen pack more firm, in use is not easy distortion or falls apart.
The removing iron by kaolin screen pack that preparation method of the present invention makes can be used for the kaolin whitening process.The embodiment of the present invention 5 has contrasted removing iron by kaolin screen pack of the present invention and the whitening effect contrast of adopting other mode deironing in detail, result shows, the de-ferrous effect of the removing iron by kaolin screen pack that preparation method of the present invention makes significantly is better than the de-ferrous effect of additive method, and iron removal can not pollute kaolin.
The manufacture method of removing iron by kaolin screen pack of the present invention, compared with prior art its advantage is:
1) manufacture method of removing iron by kaolin screen pack of the present invention selects iron cobalt magnetically soft alloy as the material of making the removing iron by kaolin screen pack, can promote the de-ferrous effect of removing iron by kaolin screen pack.
2) in the manufacture method of removing iron by kaolin screen pack of the present invention, the high-frequency welding welding is adopted in welding, can other outer compositions of residual deironing cobalt magnetically soft alloy in screen pack, can not pollute kaolin in iron removal.
3) adopt the screen pack of the manufacture method manufacturing of removing iron by kaolin screen pack of the present invention to have more firmly structure, in use be not easy distortion or fall apart.
Description of drawings
Fig. 1 is the cross-sectional view that the embodiment of the present invention is used for the electromagnetic deironing machine of removing iron by kaolin;
Fig. 2 is the structural representation of the embodiment of the present invention 1 screen pack;
Fig. 3 is the structural representation of the embodiment of the present invention 2 screen packs;
1. casing, 2. charging aperture, 3. discharging opening, 4. magnetic pole, 5. magnetic separation tube, 6. coil, 7. insulating barrier, 8. screen pack, 81. circumferential notches, 82. vertical bar shape alloy sheets, 83. corrugated alloy sheets, 831. crests, 832. troughs.
The specific embodiment
Below further illustrate the present invention by specific embodiment, but described embodiment limits the present invention never in any form.
Embodiment 1: the manufacture method of removing iron by kaolin screen pack of the present invention
It is iron cobalt magnetically soft alloy that the removing iron by kaolin screen pack prepares material.Selected iron cobalt magnetically soft alloy is the percentage composition meter by weight, and its chemical composition is: C=0.04%, and Mn=0.30%, Si=0.30%, P=0.020%, S=0.020%, Cu=0.20%, Ni=0.50%, Co=49.0%, V=0.80%, Zn=0.70%, Fe=surplus.The removing iron by kaolin filter screen structure for preparing is consulted shown in Figure 2, and the manufacture method of this removing iron by kaolin screen pack comprises the following steps:
Step a, sub-wire: iron cobalt magnetically soft alloy is cut into wide vertical bar shape alloy sheet 82; Utilize the metal banding machine, iron cobalt magnetically soft alloy sheet material is divided into wide vertical bar shape alloy sheet 82, its thickness is approximately 3mm, length more than 2 meters of 0.3mm, width approximately.
Step b, make ripple: vertical bar shape alloy sheet 82 is made ripple and obtained corrugated alloy sheet 83.
Step c, make circumferential notch: vertical bar shape alloy sheet 82 is surrounded a small circle, obtain the circumferential notch 81 of screen pack 8; The diameter 70mm of circumferential notch 81.
Steps d, coiling: with vertical bar shape alloy sheet 82 and corrugated alloy sheet 83 circumferential notch 81 around screen pack 8, the alternately coiling and consist of screen pack 8 in the periphery of circumferential notch 81; Vertical bar shape alloy sheet 82 and corrugated alloy sheet 83 coil respectively approximately 80 circles in the periphery of circumferential notch 81, one circle of outermost is vertical bar shape alloy sheet 82, the screen pack 8 diameter 160mm that form, approximately 80 of the quantity of vertical bar shape alloy sheet 82 used, approximately 80 of the quantity of corrugated alloy sheet 83 used.
Step e, welding: in the process of steps d coiling, when the crest 831 of vertical bar shape alloy sheet 82 and corrugated alloy sheet 83 or trough 832 contact, adopt the high-frequency welding method that crest 831 or the trough 832 of vertical bar shape alloy sheet 82 with corrugated alloy sheet 83 welded together, thereby make vertical bar shape alloy sheet 82 be fixedly connected with trough 832 with the crest 831 of corrugated alloy sheet 83; The welding method that adopts is high-frequency welding, does not use solder or welding rod in welding process.
Through constantly hocketing of steps d and step e, finally obtain screen pack 8.
Step e, zinc-plated: screen pack 8 can be obtained removing iron by kaolin screen pack of the present invention through zinc-plated processing.
Embodiment 2: the preparation method of removing iron by kaolin screen pack of the present invention
The screen pack material is iron cobalt magnetically soft alloy.Selected iron cobalt magnetically soft alloy is the percentage composition meter by weight, and its chemical composition is: C=0.02%, and Mn=0.15%, Si=0.20%, P=0.020%, S=0.020%, Cu=0.10%, Ni=0.50%, Co=51.0%, V=1.80%, Zn=0.50%, Fe=surplus.Consult screen pack shown in Figure 38 structures, the diameter 80mm of circumferential notch 81 wherein, the screen pack 8 diameter 120mm of formation.The difference of the present embodiment and embodiment 1 is, in steps d, the quantity of vertical bar shape alloy sheet 82 used is 1, and the quantity of corrugated alloy sheet 83 used is 1.
The preparation method of embodiment 3 removing iron by kaolin screen pack of the present invention
The screen pack material is iron cobalt magnetically soft alloy.Selected iron cobalt magnetically soft alloy is the percentage composition meter by weight, and its chemical composition is: C=0.02%, and Si=0.25%, P=0.015%, S=0.020%, Cu=0.10%, Ni=0.40%, Co=51.0%, V=1.80%, Zn=0.50%, Fe=surplus.Consult screen pack shown in Figure 38 structures, the preparation method is with embodiment 2, the diameter 60mm of circumferential notch 81 wherein, the screen pack 8 diameter 100mm of formation.The difference of the present embodiment and embodiment 1 is, in steps d, the quantity of vertical bar shape alloy sheet 82 used is 1, and the quantity of corrugated alloy sheet 83 used is 1.
The preparation method of embodiment 4 removing iron by kaolin screen pack of the present invention
The screen pack material is iron cobalt magnetically soft alloy.Selected iron cobalt magnetically soft alloy is the percentage composition meter by weight, and its chemical composition is: C=0.03%, and Mn=0.15%, Si=0.20%, P=0.020%, S=0.020%, Cu=0.10%, Ni=0.50%, Co=50.0%, V=1.50%, Zn=0.60%, Fe=surplus.Consult screen pack shown in Figure 28 structures, the preparation method is with embodiment 1, the diameter 90mm of circumferential notch 81 wherein, the screen pack 8 diameter 180mm of formation.
The removing iron by kaolin screen pack de-ferrous effect test that embodiment 5 the present invention prepare
Reference embodiment 1 adopts embodiment 1 removing iron by kaolin screen pack, and the screen pack material is stainless steel.
Use said method to carry out the removing iron by kaolin test, kaolin whiteness after measuring and respectively organize the material permeability, processing, deironing rate and dustiness.Wherein whiteness adopts the whiteness instrument to measure, and the deironing rate is the ferric slip after kaolin is processed, and the content of iron ion can adopt with the amount of highly basic formation precipitation to be determined.Dustiness is for range estimation is divided into 0 degree, 1 degree, 2 degree Three Estates according to pollution level, and higher grade, pollutes more serious.0 degree represents pollution-free, and 1 degree represents slight pollution, and 2 degree represent serious pollution.The mensuration of magnetic conductivity adopts the indirect method of measurement, uses electric inductance measuring-testing instrument to measure the inductance value of winding coil on magnetic core, then calculates the magnetic conductivity of core material with formula.
Table 1 electromagnetic deironing machine of the present invention is to the removing iron by kaolin Contrast on effect
With reference embodiment 1 contrast,
*P＜0.05,
*P＜0.01
As can be seen from Table 1, the electromagnetic deironing machine and the reference embodiment 1 that the present invention includes use iron cobalt magnetically soft alloy screen pack have significant improvement, compare with reference embodiment 3 with reference embodiment 2 also to have remarkable improvement on partial parameters.Specific as follows:
1) from permeability, the magnetic conductivity of iron cobalt magnetically soft alloy of the present invention is much larger than stainless steel, and this has great importance for the deironing ability that strengthens magnet.Wherein contain embodiment 2(with reference embodiment 2) the magnetic conductivity of iron cobalt magnetically soft alloy the highest.
2) to kaolinic de-ferrous effect, the effect that contains the electromagnetic deironing machine of iron cobalt magnetically soft alloy of the present invention is better than the electromagnetic deironing machine that contains stainless steel material and the de-ferrous effect that uses chemical method.But because reference embodiment 2 adopts the solder adhesive forms but not welding has caused certain influence to de-ferrous effect.
3) process from kaolin after whiteness, because its ferrum property that removes with electromagnetic deironing machine has direct relation, its variation tendency is identical with kaolinic de-ferrous effect.The kaolin whiteness that contains the electromagnetic deironing machine of iron cobalt magnetically soft alloy of the present invention is better than containing the electromagnetic deironing machine of stainless steel material and the kaolin whiteness of using chemical method, and after wherein the kaolin of the embodiment of the present invention 2 described electromagnetic deironing machines is processed, whiteness is the highest.
4) dustiness after processing from kaolin, cause slight pollution because the binding materials such as solder come off to kaolin in reference embodiment 2, and reference embodiment 3 is owing to having used a large amount of organic solvents or reagent to cause serious pollution to kaolin.Embodiment of the present invention 1-4 adopts the physical method deironing, and is pollution-free to kaolin, and the long service life of related electromagnetic deironing machine, and treatment effeciency is high.
Above-listed detailed description is that this embodiment limits the scope of the claims of the present invention for the illustrating of one of the present invention possible embodiments, and the equivalence that all the present invention of disengaging do is implemented or change, all should be contained in the scope of the claims of this case.
Claims (8)
1. the manufacture method of a removing iron by kaolin screen pack, is characterized in that, described deironing screen pack material is the iron cobalt magnetically soft alloy that contains vanadium, and its saturation induction density is greater than 2.2T.
2. the manufacture method of removing iron by kaolin screen pack according to claim 1, is characterized in that, described iron cobalt magnetically soft alloy is the percentage composition meter by weight, its chemical composition is: 0≤C≤0.04%, 0≤Mn≤0.30%, 0≤Si≤0.30%, 0≤P≤0.020%, 0≤S≤0.020%, 0≤Cu≤0.20%, 0≤Ni≤0.50%, 49.0%≤Co≤51.0%, 0.80%≤V≤1.80%, 0.50%≤Zn≤0.70%, surplus are Fe.
3. the manufacture method of removing iron by kaolin screen pack according to claim 1 and 2, is characterized in that, it comprises the following steps:
Sub-wire: iron cobalt magnetically soft alloy is cut into wide vertical bar shape alloy sheet;
Make ripple: vertical bar shape alloy sheet is made ripple obtain the corrugated alloy sheet;
Make circumferential notch: vertical bar shape alloy sheet is welded into circular ring plate, obtains the circumferential notch of screen pack;
Coiling: vertical bar shape alloy sheet is alternately coiled in the periphery of circumferential notch with the corrugated alloy sheet and guarantee that the crest of corrugated alloy sheet or trough contact with the vertical bar shape alloy sheet of the outside or inboard respectively;
Be welded and fixed: crest or trough and the vertical bar shape alloy sheet contact point of welding corrugated alloy sheet make vertical bar shape alloy sheet be fixedly connected with trough with the crest of corrugated alloy sheet;
Hocketing of step d) and step e) can obtain screen pack;
Zinc-plated: as step f) gained screen pack to be carried out zinc-plated processing can obtain the deironing screen pack.
4. the manufacture method of removing iron by kaolin screen pack according to claim 3, is characterized in that, is welded as the high-frequency welding welding in described step c) and step e), and welding process is not used solder or welding rod.
5. the manufacture method of the described removing iron by kaolin screen pack of any one according to claim 5, is characterized in that, the quantity of the described vertical bar shape alloy sheet in described steps d is one.
6. the manufacture method of the described removing iron by kaolin screen pack of any one according to claim 5, is characterized in that, the quantity of the described corrugated alloy sheet in described steps d is one.
7. the application of the described manufacture method gained of claim 1 or 2 deironing screen pack in the kaolin whitening process.
8. the application of the described manufacture method gained of claim 3 deironing screen pack in the kaolin whitening process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310072607.6A CN103111811B (en) | 2013-03-07 | 2013-03-07 | A kind of manufacture method of kaolin iron removal filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310072607.6A CN103111811B (en) | 2013-03-07 | 2013-03-07 | A kind of manufacture method of kaolin iron removal filter screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103111811A true CN103111811A (en) | 2013-05-22 |
| CN103111811B CN103111811B (en) | 2015-09-23 |
Family
ID=48410225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310072607.6A Active CN103111811B (en) | 2013-03-07 | 2013-03-07 | A kind of manufacture method of kaolin iron removal filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103111811B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418989A (en) * | 2012-05-24 | 2013-12-04 | 中国核动力研究设计院 | Reactor filter assembly screen production method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079002A (en) * | 1976-04-15 | 1978-03-14 | Aquafine Corporation | Thin-section-matrix magnetic separation apparatus and method |
| CN1227271A (en) * | 1998-02-05 | 1999-09-01 | 安费尤吉纳精密公司 | Iron-cobalt alloy |
| CN2522172Y (en) * | 2002-02-09 | 2002-11-27 | 北京欣博通石油化工设备有限公司 | Magnetic separator strong magnet roller for treating low-intensity magnetic super-fine powder material |
| CN200995168Y (en) * | 2006-12-15 | 2007-12-26 | 潍坊华特磁电设备有限公司 | Pipeline vibrating iron remover |
| CN201287073Y (en) * | 2008-10-23 | 2009-08-12 | 河南理工大学 | Permanent magnetic center opening type multi-roll multi-element high-gradient vibration magnetic separator |
| CN101549324A (en) * | 2009-05-25 | 2009-10-07 | 河南理工大学 | Coarse coal powder permanent magnet dry type echelon magnetic extractor |
| CN101925969A (en) * | 2008-01-22 | 2010-12-22 | 阿塞洛米塔尔不锈钢镍合金公司 | The Fe-Co alloy that is used for high dynamic electromagnetic actuators |
-
2013
- 2013-03-07 CN CN201310072607.6A patent/CN103111811B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079002A (en) * | 1976-04-15 | 1978-03-14 | Aquafine Corporation | Thin-section-matrix magnetic separation apparatus and method |
| CN1227271A (en) * | 1998-02-05 | 1999-09-01 | 安费尤吉纳精密公司 | Iron-cobalt alloy |
| CN2522172Y (en) * | 2002-02-09 | 2002-11-27 | 北京欣博通石油化工设备有限公司 | Magnetic separator strong magnet roller for treating low-intensity magnetic super-fine powder material |
| CN200995168Y (en) * | 2006-12-15 | 2007-12-26 | 潍坊华特磁电设备有限公司 | Pipeline vibrating iron remover |
| CN101925969A (en) * | 2008-01-22 | 2010-12-22 | 阿塞洛米塔尔不锈钢镍合金公司 | The Fe-Co alloy that is used for high dynamic electromagnetic actuators |
| CN201287073Y (en) * | 2008-10-23 | 2009-08-12 | 河南理工大学 | Permanent magnetic center opening type multi-roll multi-element high-gradient vibration magnetic separator |
| CN101549324A (en) * | 2009-05-25 | 2009-10-07 | 河南理工大学 | Coarse coal powder permanent magnet dry type echelon magnetic extractor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418989A (en) * | 2012-05-24 | 2013-12-04 | 中国核动力研究设计院 | Reactor filter assembly screen production method |
| CN103418989B (en) * | 2012-05-24 | 2015-08-26 | 中国核动力研究设计院 | A kind of reactor filter assemblies guard preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103111811B (en) | 2015-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101572153B (en) | Amorphous soft magnetic alloy and inductance component using the same | |
| CN102235950A (en) | Method for detecting magnetic substances in powder material of lithium ion battery | |
| CN103111811B (en) | A kind of manufacture method of kaolin iron removal filter screen | |
| JP2016031960A (en) | Coil component | |
| CN107020373A (en) | One kind SiO2Coat method and metal soft magnetic powder core prepared by this method that technology of metal powder prepares metal soft magnetic powder core | |
| CN102962128B (en) | Electromagnetic iron removing machine for removing iron from kaolin | |
| CN203982998U (en) | A kind of axially tripartition transformer low voltage winding leads structure | |
| CN107369510A (en) | A kind of preparation method of low-cost and high-performance compound soft magnetic material | |
| CN103011790B (en) | Preparation method of high-permeability manganese zinc ferrite | |
| CN102267765A (en) | Electronic device for eliminating tap water scale | |
| CN202058571U (en) | Zero-sequence current mutual inductor | |
| CN108977654B (en) | Sintering ore blending method based on iron ore segregation alkalinity liquid phase fluidity | |
| CN203155404U (en) | Magnetic vortex separator | |
| CN109215923A (en) | Coil component and LC composite component | |
| CN105529133B (en) | Common mode choke | |
| JP6571891B1 (en) | Antimony-containing water treatment method and antimony-containing water treatment apparatus | |
| CN105502508A (en) | Preparation technology of iron oxide orange | |
| JP5882811B2 (en) | Ferrite sintered body and pulse transformer core comprising the same | |
| RU2543189C2 (en) | Iron oxide pigment and method for production thereof | |
| CN209015842U (en) | A kind of high-power magnetic ferrite magnetic core | |
| CN109215964A (en) | A kind of high-power magnetic ferrite magnetic core | |
| CN209103892U (en) | A kind of FC magnetic ferrite magnetic core | |
| JP5733995B2 (en) | Ferrite sintered body and noise filter including the same | |
| Georgiadis et al. | A simple method to produce birnessite‐coated quartz sand | |
| CN204027659U (en) | The water tank of kitchen appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 525000 Tian'an District, Jintang Town, Maonan District, Maoming City, Guangdong Province Patentee after: GUANGDONG GAOCI TECHNOLOGY Corp.,Ltd. Address before: 525000 Tian'an District, Jintang Town, Maonan District, Maoming City, Guangdong Province Patentee before: Guangdong high porcelain Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 525000 Tian'an District, Jintang Town, Maonan District, Maoming City, Guangdong Province Patentee after: Guangdong high porcelain Technology Co.,Ltd. Address before: 525025 Maoming Xingli kaolin Co., Ltd Patentee before: MAOMING CITY XINGLI KAOLIN Co.,Ltd. |