CN103286002B - Permanent-magnetic spiral elutriation machine - Google Patents
Permanent-magnetic spiral elutriation machine Download PDFInfo
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- CN103286002B CN103286002B CN201310239877.1A CN201310239877A CN103286002B CN 103286002 B CN103286002 B CN 103286002B CN 201310239877 A CN201310239877 A CN 201310239877A CN 103286002 B CN103286002 B CN 103286002B
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- sorting
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- urceolus
- agitator
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- 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
- B03C1/28—Magnetic plugs and dipsticks
- B03C1/288—Magnetic plugs and dipsticks disposed at the outer circumference of a recipient
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- 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
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
- B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
- B03C1/0332—Component parts; Auxiliary operations characterised by the magnetic circuit using permanent magnets
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- 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
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- 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
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid
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- 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
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/22—Details of magnetic or electrostatic separation characterised by the magnetical field, special shape or generation
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of permanent-magnetic spiral elutriation machine, it be a kind ofly rely on magnetic force, gravity, equipment that flow force synergy reaches sorting object.Comprise support and be fixed on support give ore deposit system, separation system, spiral magnetic system system, comprise agitator to ore deposit system and be positioned at the agitator of agitator; Separation system comprises separation ring, sorting chamber and sorting urceolus, the bottom of sorting urceolus is provided with concentrate gape, top is provided with mine tailing gape, sorting urceolus is sheathed on the outside of agitator, separation ring is formed between sorting urceolus and agitator, in sorting urceolus, form sorting chamber in the bottom of agitator, agitator offers cutting and flow out in the region of separation ring for the material after stirring through cutting; Spiral magnetic system system comprises spiral magnetic system and is used for driving the rotary drive assembly of spiral magnetic system rotation, and spiral magnetic system is installed on the outside of sorting urceolus.The present invention carry have simple and compact for structure, with low cost, easy and simple to handle, the advantages such as the selected and reliable and stable high throughput of fine-grained magnetite can be solved.
Description
Technical field
The present invention is mainly concerned with sorting mineral apparatus field, refers in particular to a kind of magnetic force that adopts and carries out the device sorted.
Background technology
In recent years, China's steel industry obtains develop rapidly, reaches 6.955 hundred million tons to China's crude steel output in 2011, and what form with it contradiction is that especially high-quality Iron concentrate is more and more in short supply for the Iron concentrate of China.China's iron ore deposit is with " poor, thin, assorted, loose ", and how exploitation difficulty greatly feature, therefore, produce the so severe problem pendulum of more more high-grade iron ore concentrates in face of vast ore dressing scientific worker.
2000, remaining rich academician forever proposed the academic thought of " carrying iron falls assorted, realizes enterprise overall maximizing the benefits ", and " carrying iron, to fall acrobatics art actual be exactly how to solve lean intergrowth and the effective isolation technics of monomer mineral in iron ore concentrate.Carrying iron to magnetic iron ore falls assorted, how to utilize low-intensity magnetic field and other power comprehensive functions to realize improving the physical separation of iron concentrate grade, becomes emphasis and the focus of Recent study.Estimate the weak magnetic refiner more than 100 of annual demand 50 tons/hour.
In recent years, more the having of weak magnetic picking equipment Application in mining:
1, drum magnetic separator is improved;
There is practitioner to propose one and be applicable to the selected special drum magnetic separator of magnetic iron ore, there is the feature of many magnetic poles, high field intensity, large Guide canel, rationally magnetic field gradient and the degree of depth compared with original drum magnetic separator, compared with former magnetic separator, magnetic circuit is long, the rolling of magnetic ore particle often, easily pick out the gangue and lean intergrowth that are mixed in therebetween, improve the features such as operation concentrate grade, in the The Great Hermit Hill of Anshan iron and steel plant, Luzhong Metallurgy Mine Corp. opens the hollow ore dressing plant of family and widely applies.But this kind equipment still effectively can not remove the shortcoming that the mechanical entrainment of ore and magnetic are mingled with, and the separating effect of grade below p-325 orders of this kind equipment is bad.
2, column magnetic separator series;
Practitioner is separately had to propose a kind of electromagnetic type magnetic-gravity concentrator, be named as column magnetic separator, this equipment adopts distinguishingly Power supply mode, distinguishingly magnetic field transformation mechanism is produced in magnetic separation space, repeated multiple times earth magnetism polymerization one dispersion one magnetic polymerization is carried out to magnetic separation ore pulp, can fully separate conventional magnetic plant be mingled with in, lean intergrowth and monomer gangue, thus can the chats of selected magnetic separation process and low-grade magnetic concentrate by this equipment, production high-grade concentrate and even ultrapure iron concentrate.
3, other series, as the equipment such as composite flashing magnetic field concentration upgrading apparatus, Compound Magnetic Field Separator for Cleaning.But all there is following technological deficiency in these equipment: water consumption is bigger than normal, middling cycle amount is large, treating capacity is on the low side, pulse is perishable etc. repeatedly for solenoid.
For the shortcoming of existing weak magnetic picking equipment, develop and can solve fine-grained magnetite a new generation that is selected and reliable and stable high throughput weak magnetic picking equipment and make very necessary.
Summary of the invention
The technical problem to be solved in the present invention is just: the technical problem existed for prior art, the invention provides a kind of simple and compact for structure, with low cost, easy and simple to handle, permanent-magnetic spiral elutriation machine that can solve the selected and reliable and stable high throughput of fine-grained magnetite, it be a kind ofly rely on magnetic force, gravity, equipment that flow force synergy reaches sorting object.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of permanent-magnetic spiral elutriation machine, comprise support and be fixed on support to ore deposit system, separation system, spiral magnetic system system, described ore deposit system of giving comprises agitator and is positioned at the agitator of agitator; Described separation system comprises separation ring, sorting chamber and sorting urceolus, the bottom of described sorting urceolus is provided with concentrate gape, top is provided with mine tailing gape, described sorting urceolus is sheathed on the outside of agitator, separation ring is formed between described sorting urceolus and agitator, in described sorting urceolus, form sorting chamber in the bottom of agitator, described agitator offers cutting and flow out in the region of separation ring for the material after stirring through cutting; Described spiral magnetic system system comprises spiral magnetic system and is used for driving the rotary drive assembly of spiral magnetic system rotation, and described spiral magnetic system is installed on the outside of sorting urceolus.
As a further improvement on the present invention:
Described cutting is evenly offered along the excircle of agitator apart from top 1/2 ~ 1/3 place, the spacing 50 ~ 100mm of adjacent cutting, width 2 ~ 10mm, height 10 ~ 50mm.
Described sorting urceolus is fixed on support, and the material of described sorting urceolus is non-magnetic stainless steel, and thickness is 1 ~ 2mm.
Described separation ring is sorting format structure, and separation ring thickness is 20 ~ 60mm.
Spiral magnetic system in described spiral magnetic system system is fixed on iron and grips, the upper end of described spiral magnetic system is provided with fixing slewing bearing, lower end is provided with motion slewing bearing, described fixing slewing bearing is all connected with support with motion slewing bearing, by actuator drives motion slewing bearing to realize the rotation of spiral magnetic system.
Gap between described spiral magnetic system and sorting urceolus is 1.0 ~ 2.5mm.
Described spiral magnetic system is made up of one or both in ferrite and Ru-Fe-Mn magnetic material.
The below of described sorting urceolus is provided with benefit priming apparatus.
Compared with prior art, the invention has the advantages that: permanent-magnetic spiral elutriation machine of the present invention, have easy to operate, treating capacity is large, operating cost is low, sharpness of separation advantages of higher.The interior changes of magnetic field number of times produced of separation ring is just many under power drive for the helical magnetic field of external spiral magnetic system magnetic pole fecund life, under the effect of ascending water, the number of times of magnetic material reunion-dispersion-reunion is more, non-magnetic material in magnetic material is more conducive to be rejected, improve concentrate grade, the magnetic iron ore easily selected can also be obtained extraction of superpure concentrate of magnetite.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the plan structure schematic diagram of separation ring in the present invention.
Fig. 3 is the structural representation of spiral magnetic system system in the present invention.
Marginal data:
1, support; 2, to ore deposit system; 21, agitator; 22, taper bucket; 23, variable speed electric motors, particularly; 24, mineral-feeding pipe; 25, agitator; 26, cutting; 3, separation system; 31, separation ring; 32, sorting chamber; 33, sorting urceolus; 4, spiral magnetic system system; 41, spiral magnetic system; 42, fixing slewing bearing; 43, motion slewing bearing; 44, transmission device; 45, iron is gripped; 5, priming apparatus is mended; 6, concentrate gape; 7, mine tailing gape; 71, inclined-plane overflow launder.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
As shown in Figure 1, Figure 2 and Figure 3, permanent-magnetic spiral elutriation machine of the present invention, comprise support 1 and be fixed on support 1 give ore deposit system 2, separation system 3, spiral magnetic system system 4, support 1 can adopt four column holders, comprise agitator 21 to ore deposit system 2 and be positioned at the agitator 25 of agitator 21, the certain altitude place on agitator 21 offers cutting 26 and flows out for the material after stirring.Separation system 3 comprises separation ring 31, sorting chamber 32 and sorting urceolus 33, and the bottom of sorting urceolus 33 is provided with concentrate gape 6, and top is provided with mine tailing gape 7.Sorting urceolus 33 is sheathed on the outside of agitator 21, the bottom of agitator 21 act as the effect of sorting inner core, separation ring 31 is formed between sorting urceolus 33 and agitator 21, in sorting urceolus 33, form sorting chamber 32 in the bottom of agitator 21, the material flowed out through cutting 26 can flow in the region of separation ring 31.Spiral magnetic system system 4 comprises spiral magnetic system 41 and is used for driving the rotary drive assembly of spiral magnetic system 41 rotation, and spiral magnetic system 41 is installed on the outside of sorting urceolus 33.Material enters into separation ring 31 from giving ore deposit system 2, and because separation ring 31 sectional area is smaller, the distance from spiral magnetic system 41 is short, forms minimum-B configuration and also can hold high intensity magnetic separation material, this guarantees the grade of sorting mine tailing.Water velocity in separation ring 31 is fast, easily non magnetic the or lean intergrowth be separated is entered in separation ring 31 and can be taken out of fast; Material is from separation ring 31 to sorting chamber 32, and sorting chamber 32 area is large, and local away from magnetic system, the magnetic field of formation is weak, and water velocity is little, is conducive to the separation again of mineral, reaches selected object.
In the present embodiment, driven by variable speed electric motors, particularly 23 to agitator 25 in ore deposit system 2, in order to stir the material in agitator 21.The bottom formation taper of agitator 21 is bucket-shaped.Cutting 26 is one group, and evenly can offer along the excircle of agitator 21, to ensure uniformity when material flows out.The top of agitator 21 is provided with the mineral-feeding pipe 24 for inputting material.
In the present embodiment, separation system 3 is made up of separation ring 31 and sorting chamber 32.Separation ring 31 is made up of (also can make sorting lattice) agitator 21 and sorting urceolus 33, and separation ring 31 thickness is 20 ~ 60mm; Sorting chamber 32 is made up of taper bucket 22 and sorting urceolus 33.
In the present embodiment, the cast iron cylinder iron that spiral magnetic system 41 in spiral magnetic system system 4 is fixed on 5mm thick is gripped on 45, the upper end of spiral magnetic system 41 is provided with fixing slewing bearing 42, lower end is provided with motion slewing bearing 43, fixing slewing bearing 42 is all connected with support 1 with motion slewing bearing 43, by transmission device 44 actuation movement slewing bearing 43 to realize the rotation of spiral magnetic system 41, form helical magnetic field.In this example, the gap between spiral magnetic system 41 and sorting urceolus 33 is 1.0 ~ 2.5mm, does not affect sorting urceolus 33 to ensure spiral magnetic system 41 freely to rotate.In the present embodiment, spiral magnetic system 41 is made up of one or both in ferrite and Ru-Fe-Mn magnetic material, in the vertical direction can uniform magnetic field, also can non-uniform magnetic-field.
In the present embodiment, be provided with further in the below of sorting urceolus 33 and mend priming apparatus 5, be provided with mine tailing gape 7 and inclined-plane overflow launder 71 at the top of sorting urceolus 33.Tangent plane along sorting urceolus 33 feeds, and water rises to separation ring 31 region at sorting chamber 32 inside spin, drives nonmagnetics to expect inclined-plane overflow launder 71.Material in sorting chamber 32 and separation ring 31, except by except magnetic force and Action of Gravity Field, is also subject to the effect of ascending current.By the non-magnetic material that magnetic rolling discharges, when its gravity is less than ascending current active force, just move up in separation ring 31 along current, when reaching separation ring 31 top, overflow to inclined-plane overflow launder 71 from sorting urceolus 33 top, be drained into tail-box.
Operation principle: material feeds agitator 21 from the mineral-feeding pipe 24 at equipment top, and material stirs by agitator 25, the cutting 26 Jun Yun Give of material through stainless steel separator place is to separation ring 31.Turn the effect of magnetic field force by spiral, magnetic material is adsorbed on separation ring 31 on the wall of the sorting urceolus 33 of magnetic system.Because transmission device 44 drives the rotation of spiral magnetic system 41, magnetic patch polarity constantly changes, and the magnetic direction in separation ring 31 also constantly changes thereupon.Same position on separation ring 31, the magnetic force that material is subject to constantly changes, and makes, by the magnetic material inhaled, corresponding sorption and desorption is occurred, material produce rolling and loose.Meanwhile, magnetic pole moves downwards gradually, make by the magnetic material inhaled in rolling along with magnetic force moves down, depart from magnetic force after arriving the bottom of sorting chamber 32, to discharge from concentrate gape 6 downwards under gravity, become selected after iron ore concentrate.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (8)
1. a permanent-magnetic spiral elutriation machine, it is characterized in that, comprise support (1) and be fixed on support (1) give ore deposit system (2), separation system (3), spiral magnetic system system (4), described give ore deposit system (2) comprise agitator (21) and be positioned at the agitator (25) of agitator (21), described separation system (3) comprises separation ring (31), sorting chamber (32) and sorting urceolus (33), the bottom of described sorting urceolus (33) is provided with concentrate gape (6), top is provided with mine tailing gape (7), described sorting urceolus (33) is sheathed on the outside of agitator (21), separation ring (31) is formed between described sorting urceolus (33) and agitator (21), sorting chamber (32) is formed in the bottom of agitator (21) in described sorting urceolus (33), described agitator (21) offering cutting (26) flows out in the region of separation ring (31) for the material after stirring through cutting (26), described spiral magnetic system system (4) comprises spiral magnetic system (41) and is used for driving spiral magnetic system (41) rotary drive assembly that rotates, and described spiral magnetic system (41) is installed on the outside of sorting urceolus (33).
2. permanent-magnetic spiral elutriation machine according to claim 1, it is characterized in that, described cutting (26) is evenly offered along the excircle of agitator (21) apart from top 1/2 ~ 1/3 place, the spacing 50 ~ 100mm of adjacent described cutting (26), width 2 ~ 10mm, height 10 ~ 50mm.
3. permanent-magnetic spiral elutriation machine according to claim 1, is characterized in that, described sorting urceolus (33) is fixed on support (1), and the material of described sorting urceolus (33) is non-magnetic stainless steel, and described sorting urceolus (33) thickness is 1 ~ 2mm.
4. permanent-magnetic spiral elutriation machine according to claim 1, is characterized in that, described separation ring (31) is sorting format structure, and the thickness of described separation ring (31) is 20 ~ 60mm.
5. permanent-magnetic spiral elutriation machine according to claim 1, it is characterized in that, spiral magnetic system (41) in described spiral magnetic system system (4) is fixed on iron and grips on (45), the upper end of described spiral magnetic system (41) is provided with fixing slewing bearing (42), lower end is provided with motion slewing bearing (43), described fixing slewing bearing (42) is all connected with support (1) with motion slewing bearing (43), by transmission device (44) actuation movement slewing bearing (43) to realize the rotation of spiral magnetic system (41).
6. permanent-magnetic spiral elutriation machine according to claim 1, is characterized in that, the gap between described spiral magnetic system (41) and sorting urceolus (33) is 1.0 ~ 2.5mm.
7. permanent-magnetic spiral elutriation machine according to claim 5, is characterized in that, described spiral magnetic system (41) is made up of one or both in ferrite and Ru-Fe-Mn magnetic material.
8. according to the permanent-magnetic spiral elutriation machine in claim 1 ~ 7 described in any one, it is characterized in that, be provided with in the below of described sorting urceolus (33) and mend priming apparatus (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310239877.1A CN103286002B (en) | 2013-06-18 | 2013-06-18 | Permanent-magnetic spiral elutriation machine |
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| CN201310239877.1A CN103286002B (en) | 2013-06-18 | 2013-06-18 | Permanent-magnetic spiral elutriation machine |
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| CN103286002B true CN103286002B (en) | 2015-12-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104043521B (en) * | 2014-06-25 | 2016-09-14 | 苏州帝瀚环保科技股份有限公司 | Compact pipeline high-gradient permanent magnetic segregation apparatus |
| CN104785366B (en) * | 2015-04-10 | 2017-06-16 | 中国地质科学院郑州矿产综合利用研究所 | Magnetic system design method for strengthening fine-fraction iron mineral separation and magnetic separation equipment thereof |
| CN105057098A (en) * | 2015-08-12 | 2015-11-18 | 唐竹胜 | Permanent magnetic separation column suitable for strongly or weakly magnetic minerals |
| CN105921269A (en) * | 2016-06-08 | 2016-09-07 | 镇江电磁设备厂有限责任公司 | Pipeline type iron remover |
| CN106513170B (en) * | 2016-12-22 | 2018-07-31 | 河南特耐工程材料股份有限公司 | A kind of helical magnetic field declines powder magnetic separator |
| CN115672546B (en) * | 2023-01-05 | 2023-05-16 | 太原理工大学 | Rotary magnetic field solenoid type magnetic separator and system for magnetite concentration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5891452U (en) * | 1981-12-16 | 1983-06-21 | 稲葉 栄子 | magnetic filter tube |
| CN101564707B (en) * | 2009-05-15 | 2010-11-10 | 四川安宁铁钛股份有限公司 | Vanadium titano-magnetite screen method |
| CN103041916B (en) * | 2013-01-23 | 2015-12-23 | 长沙矿冶研究院有限责任公司 | A kind of magnetic separator |
| CN203304066U (en) * | 2013-06-18 | 2013-11-27 | 长沙矿冶研究院有限责任公司 | Permanent-magnet spiral washing machine |
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Inventor after: Zeng Shanglin Inventor after: Zeng Weilong Inventor after: Li Huiyue Inventor after: An Dengqi Inventor before: Zeng Shanglin Inventor before: Zeng Weilong Inventor before: Li Huiyue Inventor before: An Dengqi |
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