CN103272689B - Rotary dry magnetic separator - Google Patents
Rotary dry magnetic separator Download PDFInfo
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- CN103272689B CN103272689B CN201310208721.7A CN201310208721A CN103272689B CN 103272689 B CN103272689 B CN 103272689B CN 201310208721 A CN201310208721 A CN 201310208721A CN 103272689 B CN103272689 B CN 103272689B
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- separator plate
- separator
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- scraper plate
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- 239000006148 magnetic separator Substances 0.000 title claims abstract description 26
- 230000005291 magnetic effect Effects 0.000 claims abstract description 74
- 239000000126 substance Substances 0.000 claims abstract description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 42
- 239000011707 mineral Substances 0.000 claims description 42
- 239000012141 concentrate Substances 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 10
- 230000009471 action Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention provides rotary dry magnetic separator, comprise superconducting magnet and the separating structure of magnetic field lines diverge; The scraper plate group that described separating structure comprises at least one separator plate and coordinates with described separator plate; The magnetic line of force of described superconducting magnet is through separator plate; Described separator plate and scraper plate group obtain by nonmagnetic substance.Rotary dry magnetic separator structure of the present invention is simple, and the magnetic line of force of the superconducting magnet of dispersing is through separator plate, thus separator plate and the separable setting of superconducting magnet; Not only effectively can reduce machine-spoiled rate, and maintenance with change separator plate time also more convenient separator plate vertically arrange, thus take full advantage of Action of Gravity Field in assorting room, without the need to expending extra consumption mass energy.
Description
Technical field
The invention belongs to sorting mineral field, particularly a kind of rotary dry magnetic separator being suitable for large discharge dry powder ore deposit.
Background technology
Traditional wet magnetic separator due to equipment investment large, environmental pollution is serious, work under bad environment, the defects such as energy consumption, soil and water resource waste are surprising, gradually replace by dry-type magnetic extractor.The dry-type magnetic extractor of current domestic research and development is all core structure substantially, and for increasing work efficiency and magnetic separation effect, the structural design of machine own is comparatively complicated, takes up an area comparatively large, once mechanical disorder, repairs very not easily.Moreover, the mineral that existing dry-type magnetic selection apparatus is produced are compared with the product of wet process, and quality aspect still has gap.Be mainly manifested in for ferromagnetic mineral content lower such as lower than 10% time, in its concentrate sub-elected, ferromagnetic mineral content does not reach ironmaking requirement.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide the simple dry-type magnetic extractor of a kind of structure, increase operating efficiency, Improving The Quality of Products.
The present invention is achieved through the following technical solutions:
Rotary dry magnetic separator, comprises superconducting magnet and the separating structure of magnetic field lines diverge; Described separating structure comprises at least one scraper plate group rotating separator plate and coordinate with described separator plate; The magnetic line of force of described superconducting magnet is through separator plate; Described separator plate and scraper plate group obtain by nonmagnetic substance.
Above-mentioned rotary dry magnetic separator, described separator plate is two or more; Described separator plate coaxially arranges and can pivot; Described separator plate is installed on enclosing inside, and described enclosing is the wall axially arranged; Enclosing top is provided with charging aperture, and described intake port is less than separator plate diameter; Described enclosing bottom is provided with the position non magnetic ore discharging opening corresponding with charging aperture; Described separator plate on the surface between charging aperture and non magnetic ore discharging opening vertical region be sort channel region; Described scraper plate group is the axial wall be arranged on enclosing, and scraper plate group extends the non-sort channel region on separator plate surface along the radial direction of separator plate; Each separator plate all has the scraper plate group corresponding with it; The position corresponding with scraper plate group, described enclosing bottom has concentrate and exports.
Above-mentioned rotary dry magnetic separator, described scraper plate group comprises two or more scraper plate, and each scraper plate in described same scraper plate group increases along the length of separator plate radial direction successively according to the rotation direction of separator plate.
Above-mentioned rotary dry magnetic separator, the side of described non magnetic ore discharging opening is also provided with the outlet of middle mineral, and the same position on described separator plate edge is exported by non magnetic ore discharging opening and middle mineral successively according to the direction of rotation of separator plate.
Above-mentioned rotary dry magnetic separator, also comprises the vibrator making separator plate produce vibrations.
Above-mentioned rotary dry magnetic separator, described charging aperture place is also provided with screen cloth, evenly falls into sort channel region for making mineral to be selected.
Above-mentioned rotary dry magnetic separator, described sort channel region is provided with non magnetic laminate patch away from the side of scraper plate group; Described laminate patch to be fixed on enclosing and with separator plate surface contact; Described laminate patch near sort channel region side vertically and position is corresponding away from the sidewall of scraper plate group with charging aperture.
Above-mentioned rotary dry magnetic separator, also comprises the blower system making wind blow over sorting panel surface.
The invention has the beneficial effects as follows:
1, structure is simple, and the magnetic line of force of the superconducting magnet of dispersing is through separator plate, thus separator plate and the separable setting of superconducting magnet; Not only effectively can reduce machine-spoiled rate, and also more convenient when maintenance and replacing separator plate;
2, separator plate is vertically arranged, and thus takes full advantage of Action of Gravity Field in assorting room, without the need to expending extra consumption mass energy.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of rotary dry magnetic separator of the present invention.
Fig. 2 is the structural representation at monolithic separator plate place of the present invention.
In above-mentioned accompanying drawing, 1, superconducting magnet; 2, separator plate; 3, enclosing; 4, scraper plate group; 5, screen cloth; 6, vibrator; 21, axle; 31, charging aperture; 32, non magnetic ore discharging opening; 33, middle mineral outlet; 34, concentrate outlet; 35, laminate patch; 36, sort channel region; 41, scraper plate.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, the invention provides a kind of rotary dry magnetic separator.Its structure comprises superconducting magnet 1 and the separating structure of magnetic field lines diverge; Superconducting magnet 1 forms the magnetic line of force dispersed at two ends, and arranges the flat board (separator plate) that multilayer can penetrate the magnetic line of force at biend place; The scraper plate group (not shown in figure 1) that described separating structure comprises at least one rotatable separator plate 2 and coordinates with described separator plate 2; Superconducting magnet 1 one magnetic pole end face the magnetic line of force through separator plate 2; Separator plate 2 obtains by nonmagnetic substance with scraper plate group.Due to the magnetic field lines diverge of superconducting magnet 1, the magnetic hair pin formed when magnetic mineral particles just can be made to be attached on separator plate 2 is consistent with magnetic line of force direction thus become between magnetic hair pin and have gap, become more loose, make non magnetic ore can through the gap magnetic hair pin, be beneficial to being separated of non magnetic ore and magnetic mineral.Under the effect of superconducting magnet, the magnetic field intensity at separator plate 2 place can reach 0.6-0.68T.Separator plate 2 is vertically arranged, and mineral to be selected are through separator plate 2 front, and the magnetic minerals such as iron are attached on separator plate 2 under the influence of a magnetic field and absorption is accumulated into magnetic hair pin one by one mutually, and separator plate 2 forms the texture corresponding with magnetic line of force shape; Non magnetic ore then directly falls and is recovered process, thus realizes being separated of magnetic mineral and non magnetic ore.After separation, the magnetic mineral be attached on separator plate 2 is scraped by scraper plate group, collects as product ore concentrate.Separator plate 2 is two or more; Gap is had between adjacent separator plate 2; Separator plate 2 coaxially arranges and can rotate around axle 21, and axle 21 is connected with drive system; Separator plate 2 is connected with axle 21 by key, is convenient to detachable maintaining during separator plate 2 fault.Separator plate 2 adopts corrosion resistant plate, the nonmagnetic substances such as epoxy resin bonded fiber, plastic plate, poly (methyl methacrylate) plate or ceramic wafer are made, and adopt multi-disc separator plate 2 coaxially to arrange, magnetic mineral can be avoided to pile up in a large number, be conducive to the operating pressure alleviating scraper plate group 4, reduce the fault rate of equipment.
As shown in Figure 2, it is inner that separator plate 2 is installed on enclosing 3, and enclosing 3 is the wall axially arranged; The setting of enclosing 3, ensures to treat that ore dressing is not splashed because of the rotation of separator plate 2, provides relatively good working environment, be conducive to the healthy of staff.Enclosing 3 top is provided with charging aperture 31, and charging aperture 31 diameter is less than separator plate 2 diameter; Enclosing 32 bottom is provided with the position non magnetic ore discharging opening 32 corresponding with charging aperture 31; Separator plate 2 on the surface between charging aperture 31 and non magnetic ore discharging opening 32 vertical region be sort channel region 36; Charging aperture 31 place is also provided with screen cloth 5, the preferred reciprocating screen cloth of screen cloth 5.Mineral to be selected add via charging aperture 31, separation process is completed when evenly entering sort channel region 36 after screen cloth 5 filters, the effect of screen cloth is except can sieving out larger mineral grain, most importantly can also control inlet amount and make feed particles be dispersion and evenly fall, the stable formation and the non-magnetic particle that are conducive to magnetic hair pin fall from hair pin gap, and the nonmagnetic tailings after separation is then collected process by non magnetic ore discharging opening 32.
As shown in Figure 2, scraper plate group 4 is for being arranged at the axial wall on enclosing 3, and scraper plate group 4 radial direction extends to the non-sort channel region on separator plate 2 surface; Each separator plate 2 all has the scraper plate group 4 corresponding with it; The position corresponding with scraper plate group 4, enclosing 3 bottom has concentrate and exports 34.Scraper plate group 4 comprises two or more scraper plate 41, and each scraper plate 41 in same scraper plate group 4 increases along the length of separator plate 2 radial direction successively according to the rotation direction of separator plate 2.Being scraped in magnetic ore deposit of task shared jointly by the scraper plate 41 of the different length in each scraper plate group 4, alleviates the operating pressure of single scraper plate 41, more improves work quality.The magnetic mineral being attached to separator plate 2 surface in sort channel region 36 rotates along with separator plate 2, during by scraper plate group 4, is blocked to scrape and in the concentrate outlet 34 that falls into below scraper plate group 4 by each scraper plate 41.
Also show middle mineral outlet 33 in Fig. 2, middle mineral outlet 33 is positioned at the side of non magnetic ore discharging opening 32, and when separator plate 2 rotates, the same position on edge is successively by non magnetic ore discharging opening 32 and middle mineral outlet 33.After mineral to be selected carry out sorting in sort channel region 36, the magnetic mineral being attached to separator plate 2 surface forms hair and pricks, thus still have small part namagnetic substance (such as dust particle etc.) blocked by hair bundle and do not fall into non magnetic ore outlet 32, when separator plate rotates, these namagnetic substances owing to falling into middle mineral outlet 33 at centrifugal force and rotatory inertia effect, and can not fall into concentrate outlet 34 and cause concentrate purity to reduce.In the mine tailing fallen from middle mineral outlet 33, magnetic mineral content is compared with many in non magnetic ore outlet 32, thus can by the mining tailing sorting again in middle mineral outlet 33, both the situation that purity after concentrate sorting is inadequate had been avoided, in turn ensure that and treat making full use of of ore dressing, decrease waste, reduce cost of material.
In order to increase separating effect further, improve magnetic mineral purity, rotary dry magnetic separator of the present invention also comprises the vibrator 6 shown in Fig. 2, vibrator 6 makes separator plate 2 produce axial vibrations, thus minimizing dust particles etc. are blocked by the hair bundle that magnetic mineral is formed and then are scraped with magnetic mineral the possibility falling into concentrate outlet, contribute to the purity improving product concentrate.Vibrator 6 can be fixedly installed on enclosing 3 or be installed on special mounting, and the vibrator 6 in the present embodiment only need contact with separator plate 2.
As the alternative of above-mentioned vibrator 6, rotary dry magnetic separator of the present invention also can arrange the blower system making wind blow over separator plate 2 surface.Utilize wind-force to reduce the accumulation of dust particle on magnetic mineral hair is pricked, the object promoting concentrate product purity can be reached equally.
Also show non magnetic laminate patch 35 in Fig. 2, laminate patch 35 is arranged at the side of sort channel region 36 away from scraper plate group 4; Laminate patch 35 to be fixed on enclosing 3 and with separator plate 2 surface contact; Laminate patch 35 near sort channel region 36 side vertically and position is corresponding away from the sidewall of scraper plate group 4 with charging aperture 31.The setting of laminate patch 35 can reduce the accumulation of mineral residue in enclosing, reduces the fault rate of equipment, indirectly improves production efficiency.
When using dry-type magnetic extractor of the present invention to work, first mineral powder to be selected is broken to 100-150 order size; Separator plate 2 remains a constant speed rotation, mineral to be selected are even by making magnetic mineral wherein be attached to separator plate 2 surface formation magnetic hair bundle under the influence of a magnetic field during sort channel region under the effect of reciprocating screen cloth, in this process, vibrator 6 makes separator plate 2 generation vibrations or blower system wind-force be blown over the surface of separator plate 2, thus make to be pricked by hair the namagnetic substance (such as dust particle etc.) blocked and fall, improve concentrate purity.Along with the rotation of separator plate 2, the magnetic mineral being attached to separator plate 2 surface is scraped by scraper plate group 4, falls into concentrate outlet 34; The mine tailing being simultaneously partly mixed with magnetic mineral in mineral to be selected is arranged in the middle mineral outlet 33 that non magnetic ore exports 32 rears because inertia falls into, because this part mine tailing magnetic mineral content is not low, reuse as raw material after can collecting, not only economize in raw materials, reduce production cost, also ensure that the purity of concentrate simultaneously.Narrowing gradually from top to bottom of concentrate outlet 34, is conducive to the collection of product concentrate.
Dry-type magnetic extractor provided by the invention, structure is simple, and the magnetic line of force of the superconducting magnet of dispersing is through separator plate, thus separator plate and the separable setting of superconducting magnet; Not only effectively can reduce machine-spoiled rate, and also more convenient when maintenance and replacing separator plate; Separator plate is vertically arranged, and thus takes full advantage of Action of Gravity Field in assorting room, without the need to expending extra consumption mass energy; During work, separator plate rotates evenly, is extremely suitable for continuous seepage.
Rotary dry magnetic separator provided by the invention is used to carry out iron ore sorting, can by the raw ore refining of iron content about 5% to iron content more than 65%, can as iron-smelting raw material.In addition, the present invention also can be used for kaolin removal ferrous contaminants.
Above-described embodiment is only for the invention example is clearly described, and the restriction not to the invention detailed description of the invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description, exhaustive without the need to also giving all embodiments here.And thus the apparent change of amplifying out or variation be still among the protection domain of the invention claim.
Claims (7)
1. rotary dry magnetic separator, is characterized in that, comprises superconducting magnet (1) and the separating structure of magnetic field lines diverge; Described separating structure comprises at least one scraper plate group (4) rotating separator plate (2) and coordinate with described separator plate (2); The magnetic line of force of described superconducting magnet (1) is through separator plate (2); Described separator plate (2) obtains by nonmagnetic substance with scraper plate group (4);
Described separator plate (2) is two or more; Described separator plate (2) coaxially arranges and can rotate around axle (21); It is inner that described separator plate (2) is installed on enclosing (3), and described enclosing (3) is the wall axially arranged; Enclosing (3) top is provided with charging aperture (31), and described charging aperture (31) diameter is less than separator plate (2) diameter; Described enclosing (3) bottom is provided with the position non magnetic ore discharging opening (32) corresponding with charging aperture (31); Described separator plate (2) on the surface between charging aperture (31) and non magnetic ore discharging opening (32) vertical region be sort channel region (36); Described scraper plate group (4) is for being arranged at the axial wall on enclosing (3), and scraper plate group (4) extends the surperficial non-sort channel region of separator plate (2) along the radial direction of separator plate (2); Each separator plate (2) all has the scraper plate group (4) corresponding with it; The position corresponding with scraper plate group (4), described enclosing (3) bottom has concentrate and exports (34);
Described scraper plate group (4) comprises two or more scraper plate (41), and each scraper plate (41) in described same scraper plate group (4) increases successively along the rotation direction of the radial length of separator plate (2) according to separator plate (2).
2. rotary dry magnetic separator according to claim 1, it is characterized in that, the side of described non magnetic ore discharging opening (32) is also provided with middle mineral outlet (33), and the same position on described separator plate (2) edge installs separator plate (2) direction of rotation successively by non magnetic ore discharging opening (32) and middle mineral outlet (33).
3. rotary dry magnetic separator according to claim 1 and 2, is characterized in that, also comprises the vibrator (6) making separator plate (2) produce vibrations.
4. rotary dry magnetic separator according to claim 3, is characterized in that, described charging aperture (31) place is also provided with screen cloth (5).
5. rotary dry magnetic separator according to claim 1 and 2, is characterized in that, described sort channel region (36) is provided with non magnetic laminate patch (35) away from the side of scraper plate group (4); Described laminate patch (35) be fixed on enclosing (3) upper and with separator plate (2) surface contact; The side in the close sort channel region (36) of described laminate patch (35) is vertical and position is corresponding away from the sidewall of scraper plate group (4) with charging aperture (31).
6. rotary dry magnetic separator according to claim 1 and 2, is characterized in that, also comprises the blower system making wind blow over separator plate (2) surface.
7. rotary dry magnetic separator according to claim 6, is characterized in that, described charging aperture (31) place is also provided with screen cloth (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310208721.7A CN103272689B (en) | 2013-05-30 | 2013-05-30 | Rotary dry magnetic separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310208721.7A CN103272689B (en) | 2013-05-30 | 2013-05-30 | Rotary dry magnetic separator |
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| Publication Number | Publication Date |
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| CN103272689A CN103272689A (en) | 2013-09-04 |
| CN103272689B true CN103272689B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310208721.7A Active CN103272689B (en) | 2013-05-30 | 2013-05-30 | Rotary dry magnetic separator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2065949U (en) * | 1989-08-23 | 1990-11-21 | 江西省赣州有色冶金机械厂 | Eccentrically arranged magnetic concentration mechanism |
| CN2756317Y (en) * | 2004-11-29 | 2006-02-08 | 鞍钢集团鞍山矿业运输设备制造总厂 | Permanent naked magnet circular disc magnetic separator |
| CN1915528A (en) * | 2006-08-24 | 2007-02-21 | 潍坊华特磁电设备有限公司 | Permanent magnet dry type magnetic ore separator |
| CN200981018Y (en) * | 2006-06-20 | 2007-11-28 | 北京雪域火磁电设备技术有限公司 | Dry type magnetic separator for fine material |
| CN203291955U (en) * | 2013-05-30 | 2013-11-20 | 江苏旌凯中科超导高技术有限公司 | Rotary type dry magnetic separator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4657399B2 (en) * | 1999-04-26 | 2011-03-23 | 英夫 秋葉 | Sorting method and sorting machine using magnetic spatial filter |
| JP2004202341A (en) * | 2002-12-25 | 2004-07-22 | Sumitomo Heavy Ind Ltd | Magnetic substance sorting method by lifting magnet and magnetic substance sorting device used for it |
-
2013
- 2013-05-30 CN CN201310208721.7A patent/CN103272689B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2065949U (en) * | 1989-08-23 | 1990-11-21 | 江西省赣州有色冶金机械厂 | Eccentrically arranged magnetic concentration mechanism |
| CN2756317Y (en) * | 2004-11-29 | 2006-02-08 | 鞍钢集团鞍山矿业运输设备制造总厂 | Permanent naked magnet circular disc magnetic separator |
| CN200981018Y (en) * | 2006-06-20 | 2007-11-28 | 北京雪域火磁电设备技术有限公司 | Dry type magnetic separator for fine material |
| CN1915528A (en) * | 2006-08-24 | 2007-02-21 | 潍坊华特磁电设备有限公司 | Permanent magnet dry type magnetic ore separator |
| CN203291955U (en) * | 2013-05-30 | 2013-11-20 | 江苏旌凯中科超导高技术有限公司 | Rotary type dry magnetic separator |
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Denomination of invention: Rotary dry type magnetic sorting machine Effective date of registration: 20200512 Granted publication date: 20160120 Pledgee: Jiangsu Jiangyin Rural Commercial Bank city branch of Limited by Share Ltd. Pledgor: JIANGSU JINGKAI ZHONGKE SUPERCONDUCTION HIGH TECHNOLOGY Co.,Ltd. Registration number: Y2020990000458 |
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Date of cancellation: 20210512 Granted publication date: 20160120 Pledgee: Jiangsu Jiangyin Rural Commercial Bank city branch of Limited by Share Ltd. Pledgor: JIANGSU JINGKAI ZHONGKE SUPERCONDUCTION HIGH TECHNOLOGY Co.,Ltd. Registration number: Y2020990000458 |
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Denomination of invention: Rotary dry magnetic separator Effective date of registration: 20210513 Granted publication date: 20160120 Pledgee: Jiangsu Jiangyin Rural Commercial Bank city branch of Limited by Share Ltd. Pledgor: JIANGSU JINGKAI ZHONGKE SUPERCONDUCTION HIGH TECHNOLOGY Co.,Ltd. Registration number: Y2021320010169 |
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Date of cancellation: 20220623 Granted publication date: 20160120 Pledgee: Jiangsu Jiangyin Rural Commercial Bank city branch of Limited by Share Ltd. Pledgor: Jiangsu Jingkai Zhongke Superconduction High Technology Co.,Ltd. Registration number: Y2021320010169 |