CN202224242U - Permanent magnet drum magnetic separator applicable to wet type coarse graining, primary separating and tail discarding - Google Patents
Permanent magnet drum magnetic separator applicable to wet type coarse graining, primary separating and tail discarding Download PDFInfo
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- CN202224242U CN202224242U CN2011201101001U CN201120110100U CN202224242U CN 202224242 U CN202224242 U CN 202224242U CN 2011201101001 U CN2011201101001 U CN 2011201101001U CN 201120110100 U CN201120110100 U CN 201120110100U CN 202224242 U CN202224242 U CN 202224242U
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- Prior art keywords
- cylindrical shell
- magnetic separator
- permanent
- wet type
- magnet drum
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- 239000006148 magnetic separator Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000004094 preconcentration Methods 0.000 claims description 17
- 210000005056 cell body Anatomy 0.000 claims description 16
- 239000012141 concentrate Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000000227 grinding Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model discloses a permanent magnet drum magnetic separator applicable to wet type coarse graining, primary separating and tail discarding, which comprises a feeding box (5), a drum body (8), a permanent magnet system (10), a groove body (7) and a rack (2), wherein the groove body (7) has a down-flow structure; one ceramic abrasion-proof material layer is stuck on the surface of the drum body (8), and is formed by splicing small ceramic pieces along 360-degree circumferential surface of the drum body according to lines and rows; and a backwash preventing water pipe is additionally arranged at the bottom of the groove body (7). The feeding box (5) is internally provided with a back-turning feeding device which is formed by combination of a material baffle plate (11) and a feeding chute (11'); and the feeing chute (11') has a dustpan structure with a wide feeding end and a narrow discharging end. The permanent magnet drum magnetic separator has the advantages that the drum body has good wear resistance, the device has long service life, materials do not block the groove body, the separating efficiency is high, and the permanent magnet drum magnetic separator is used for the wet type primary separating and the tail discarding of magnetic ores with the grain diameter being 0-22mm, especially the diameter being 0-16mm.
Description
Technical field
The utility model relates to a kind of permanent-magnet drum type magnetic separator, specifically, relates to a kind of permanent-magnet drum type magnetic separator that is suitable for wet type coarse grain tailings discarding by preconcentration, and the wet type pre-selecting that is used for the magnetic iron ore of material handling granularity 0～20mm, particularly 0～16mm is thrown tail.
Background technology
As everyone knows, how broken few mill, grinding attachment maximize be that the ore dressing plant is energy-conservation, the important channel of consumption reduction, synergy, be the developing direction of current ore dressing power-saving technology.Continuous development along with efficient particulate disintegrating apparatus and large-scale grinding attachment; High capacity crusher and the large-scale grinding attachment of particularly having introduced offshore company's production in a large number replace home equipment; Make domestic magnetic iron ore select the crushed product size of factory progressively to reduce; Generally can be by being reduced to about 12mm about original 20mm, even less than 6mm, production capacity can reach hundreds of tons during the platform of single ore grinding series.
According to the preliminary statistics, when the magnetic iron ore ore grain size was crushed to the 10mm left and right sides, wherein existing about 10%～30% gangue mineral dissociated, and can be used as the qualified tailings throwing and removed.If can in time and effectively throw and remove this part gangue mineral; Not only can improve the disposal ability of going into to grind grade, increase grinding machine of ball mill; Reach the purpose of energy-conservation, consumption reduction, synergy; And throw the part coarse grain gangue remove and need not get into the mine tailing storehouse, thereby also can prolong the length of service in mine tailing storehouse greatly.
In addition, China is existing to have a large amount of extreme poverty resource of magnetite, is characterized in that reserves are big, grade is low, and grade is generally between 8～20%.Present utilization to this part resource is before going into mill, to carry out the dry type magnetic separation throwing to give up, but the useless efficient of throwing is very low.It is useless to utilize efficient coarse grain wet magnetic separation sorting equipment that ore before going into to grind is thrown, and improve and throw useless efficient, be the effective way that solution extreme poverty resource of magnetite is utilized, also will bring huge technological break-through for the utilization of extreme poverty resource of magnetite.
Conventional general fine-graded ore of suitable treatment 3～0mm of wet magnetic separator; If adopt common magnetic separator that the material of granularity 0～16mm is carried out the preliminary election of wet type coarse grain; Because of reasons such as cylindrical shell magnetic signature, cylindrical shell anti-wear performance and trough body structures; Can cause situation such as the efficiency of separation is low, mine tailing Armco magnetic iron loss late is big to take place, especially obstruction of ore deep gouge and cylindrical shell wearing and tearing can make sorting operation carry out smoothly.In addition, the ore through after the fragmentation has some clustering phenomenas, can cause also that cell body stops up, the efficiency of separation is low.Therefore, for adapting to this new specification requirement, be necessary coarse grain permanent magnetic wet type magnetic plant is carried out research and development.
Summary of the invention
The purpose of the utility model is exactly the problems referred to above that exist to prior art, and the permanent-magnet drum type magnetic separator that a kind of cylindrical shell anti-wear performance is good, service life of equipment long, material does not stop up cell body, the efficiency of separation is high, be suitable for wet type coarse grain tailings discarding by preconcentration is provided.
For realizing the above-mentioned purpose of the utility model, the permanent-magnet drum type magnetic separator that the utility model is suitable for wet type coarse grain tailings discarding by preconcentration adopts following technical scheme:
The permanent-magnet drum type magnetic separator that the utility model is suitable for wet type coarse grain tailings discarding by preconcentration is to be that adjusting device, cell body, concentrate case, frame constitute by feed box, cylindrical shell and transmission device thereof, permanent magnetic system and magnetic thereof; Feed box is positioned at a side of cylindrical shell, and the concentrate case is positioned at the opposite side of cylindrical shell; Permanent magnetic system hangs on the main shaft of cylindrical shell and is built in the bottom of cylindrical shell, and the bottom of cylindrical shell places cell body, and said cell body adopts the downstream-type structure also to be supported on the frame.Be characterized in: at the bonding one deck ceramic wear-resisting of drum surface material layer, said ceramic wear-resisting material layer is to be spliced to form according to row, row along 360 ° of circumferential surfaces of cylindrical shell by ceramic small pieces; For preventing that material from stopping up cell body, increased the backwash water pipe in the bottom of cell body; For breaing up bulk body in the ore, avoid material to stop up cell body, in feed box, be provided with the Zigzag type charging gear; Said Zigzag type charging gear is to be constituted by striker plate, feed chute; Striker plate is obliquely installed the middle and upper part at feed box, and the feed chute is obliquely installed the bottom at feed box, maintains material falling height and the angle of any between the two; Described angle is advisable with 30～90 °, is good with 45～75 ° angles.
For guaranteeing that milling ore divides the constituency along drum shaft to even entering; The structure of described feed chute adopts the dustpan formula structure that material feeding end is wide, exhaust end is narrow; It is to be made up of base plate, biside plate, the dividing plate that laterally arranges with biside plate respectively, constitutes some ore pulp passages jointly.
The specification of said ceramic small pieces is length * wide * thick=8～12 * 8～12 * 2～4mm, is good with 10 * 10 * 3mm.
The pottery small pieces are to adopt the high strength bonding agent to be bonded on the drum surface.
After the permanent-magnet drum type magnetic separator that the utility model is suitable for wet type coarse grain tailings discarding by preconcentration adopts above technical scheme, have following good effect:
(1) the cylindrical shell anti-wear performance is good, long service life.Checking result through industry test in 3 months shows: handle the coarse-grained material of 0～16mm, through 3 months running, potsherd thickness reduced to 2.8mm by 3.0mm, had only reduced 0.2mm.From this result, estimate that the magnetic separator cylindrical shell can reach more than 6 months service life, reached the requirement of setting.
(2) anti-clogging is effective, and equipment operates steadily, reliably.
(3) tailings discarding by preconcentration is effective, and sharpness of separation is high, and the Armco magnetic iron rate of recovery meets the technological development direction of current ore dressing " how broken few mill, energy-saving and emission-reduction " up to more than 98%.
(4) identical with cylindrical shell dimensions conventional equipment is compared, and disposal ability significantly improves.
(5) material loosening is abundant, and feed is even, helps improving the efficiency of separation.
Description of drawings
Fig. 1 is suitable for the main TV structure sketch of the permanent-magnet drum type magnetic separator of wet type coarse grain tailings discarding by preconcentration for the utility model;
Fig. 2 be among Fig. 1 A-A to cutaway view;
Fig. 3 is the perspective view of the permanent magnetic pulley of the utility model employing;
The feed chute vertical view that Fig. 4 adopts for the utility model;
The feed chute stereochemical structure sketch that Fig. 5 adopts for the utility model.
The specific embodiment
For describing the utility model better, the permanent-magnet drum type magnetic separator that the utility model is suitable for wet type coarse grain tailings discarding by preconcentration is done further explain below in conjunction with accompanying drawing.
Be suitable for by the utility model shown in Figure 1 wet type coarse grain tailings discarding by preconcentration permanent-magnet drum type magnetic separator main TV structure sketch and combine Fig. 2 to find out; The permanent-magnet drum type magnetic separator that the utility model is suitable for wet type coarse grain tailings discarding by preconcentration is to be that adjusting device 1, cell body 7, concentrate case 9, frame 2 constitute by feed box 5, cylindrical shell 8 and transmission device thereof, permanent magnetic system 10 and magnetic thereof; Feed box 5 is positioned at a side of cylindrical shell 8, and concentrate case 9 is positioned at the opposite side of cylindrical shell 8.Permanent magnetic system 10 hangs on the main shaft of cylindrical shell 8 and is built in the bottom of cylindrical shell 8, and the bottom of cylindrical shell 8 places cell body 7, and said cell body 7 adopts the downstream-type structures also to be supported on the frame 2.Said transmission device is made up of motor 4, reductor 3, and reductor 3 links to each other with the main shaft of cylindrical shell 8.In feed box 5, be provided with jet water spout 6, increased the backwash water pipe in the bottom of cell body 7.
The perspective view of the permanent magnetic pulley that is adopted by Fig. 2 and the utility model shown in Figure 3 is found out; Adopt the bonding one deck ceramic wear-resisting of high strength bonding agent material layer on cylindrical shell 8 surfaces; Said ceramic wear-resisting material layer is to be spliced to form according to row, row along 360 ° of circumferential surfaces of cylindrical shell by ceramic small pieces 12, and the specification of said ceramic small pieces 12 is length * wide * thick=10 * 10 * 3mm.Magnetic is the end that adjusting device 1 is positioned at cylindrical shell 8.
By Fig. 2 and combine Fig. 4, Fig. 5 to find out; In feed box 5, be provided with the Zigzag type charging gear; Said Zigzag type charging gear is by striker plate 11, feed chute 11 ' constitute, and striker plate 11 is obliquely installed in the middle and upper part of feed box 5, feed chute 11 ' the be obliquely installed bottom at feed box 5; Maintain any material falling height and angle between the two, described angle adopts 60 °.Described feed chute 11 ' structure adopt the dustpan formula structure that material feeding end is wide, exhaust end is narrow, it is to be made up of base plate, biside plate, the dividing plate that laterally arranges with biside plate respectively, constitutes some ore pulp passages jointly, plays the effect of shunting, homogeneous material.
Claims (6)
1. a permanent-magnet drum type magnetic separator that is suitable for wet type coarse grain tailings discarding by preconcentration is to be that adjusting device (1), cell body (7), frame (2) constitute by feed box (5), cylindrical shell (8) and transmission device thereof, permanent magnetic system (10) and magnetic thereof; Feed box (5) is positioned at a side of cylindrical shell (8); Concentrate case (9) is positioned at the opposite side of cylindrical shell (8); Permanent magnetic system (10) hangs on the main shaft of cylindrical shell (8) and is built in the bottom of cylindrical shell (8); The bottom of cylindrical shell (8) places cell body (7); Said cell body (7) adopts the downstream-type structure and is supported on the frame (2), it is characterized in that: at surface adhesion one deck ceramic wear-resisting material layer of cylindrical shell (8), said ceramic wear-resisting material layer is to be spliced to form according to row, row along 360 ° of circumferential surfaces of cylindrical shell by ceramic small pieces (12); Bottom at cell body (7) has increased the backwash water pipe.
2. the permanent-magnet drum type magnetic separator that is suitable for wet type coarse grain tailings discarding by preconcentration as claimed in claim 1; It is characterized in that: in feed box (5), be provided with the Zigzag type charging gear; Said Zigzag type charging gear is to be constituted by striker plate (11), feed chute (11 '); Striker plate (11) is obliquely installed the middle and upper part in feed box (5); Feed chute (11 ') is obliquely installed in the bottom of feed box (5), maintains material falling height and the angle of any between striker plate (11), the feed chute (11 '), and described angle is 30～90 °.
3. the permanent-magnet drum type magnetic separator that is suitable for wet type coarse grain tailings discarding by preconcentration as claimed in claim 2 is characterized in that: described angle is 45～75 °.
4. like claim 2 or the 3 described permanent-magnet drum type magnetic separators that are suitable for wet type coarse grain tailings discarding by preconcentration; It is characterized in that: the structure of described feed chute (11 ') adopts the dustpan formula structure that material feeding end is wide, exhaust end is narrow; Be to constitute, constitute some ore pulp passages jointly by base plate, biside plate, the dividing plate that laterally arranges with biside plate respectively.
5. the permanent-magnet drum type magnetic separator that is suitable for wet type coarse grain tailings discarding by preconcentration as claimed in claim 4 is characterized in that: the specification of said ceramic small pieces (12) is length * wide * thick=8～12 * 8～12 * 2～4mm.
6. the permanent-magnet drum type magnetic separator that is suitable for wet type coarse grain tailings discarding by preconcentration as claimed in claim 5 is characterized in that: the specification of said ceramic small pieces (12) is length * wide * thick=10 * 10 * 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201101001U CN202224242U (en) | 2011-04-08 | 2011-04-08 | Permanent magnet drum magnetic separator applicable to wet type coarse graining, primary separating and tail discarding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201101001U CN202224242U (en) | 2011-04-08 | 2011-04-08 | Permanent magnet drum magnetic separator applicable to wet type coarse graining, primary separating and tail discarding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202224242U true CN202224242U (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201101001U Expired - Fee Related CN202224242U (en) | 2011-04-08 | 2011-04-08 | Permanent magnet drum magnetic separator applicable to wet type coarse graining, primary separating and tail discarding |
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| Country | Link |
|---|---|
| CN (1) | CN202224242U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923393A (en) * | 2015-05-13 | 2015-09-23 | 马鞍山市天工科技有限公司 | Wear-resisting blocking-resisting permanent magnet wet type coarse particle preconcentration magnetic separator |
| CN108393193A (en) * | 2018-02-22 | 2018-08-14 | 中国恩菲工程技术有限公司 | Permanent-magnet drum type magnetic separator |
| CN113941433A (en) * | 2021-10-14 | 2022-01-18 | 中钢集团马鞍山矿山研究总院股份有限公司 | Mineral separation method for step recovery and subsection tailing discarding of low-grade chromite |
-
2011
- 2011-04-08 CN CN2011201101001U patent/CN202224242U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923393A (en) * | 2015-05-13 | 2015-09-23 | 马鞍山市天工科技有限公司 | Wear-resisting blocking-resisting permanent magnet wet type coarse particle preconcentration magnetic separator |
| CN104923393B (en) * | 2015-05-13 | 2017-03-01 | 马鞍山市天工科技股份有限公司 | A kind of wear-resisting anticlogging permanent magnetic wet type coarse grain preselects magnetic separator |
| CN108393193A (en) * | 2018-02-22 | 2018-08-14 | 中国恩菲工程技术有限公司 | Permanent-magnet drum type magnetic separator |
| CN113941433A (en) * | 2021-10-14 | 2022-01-18 | 中钢集团马鞍山矿山研究总院股份有限公司 | Mineral separation method for step recovery and subsection tailing discarding of low-grade chromite |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20180408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |