CN104607310B - Axial-flow high-efficiency heavy medium magnetic separator - Google Patents
Axial-flow high-efficiency heavy medium magnetic separator Download PDFInfo
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- CN104607310B CN104607310B CN201510042955.8A CN201510042955A CN104607310B CN 104607310 B CN104607310 B CN 104607310B CN 201510042955 A CN201510042955 A CN 201510042955A CN 104607310 B CN104607310 B CN 104607310B
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- magnetic
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- drum
- magnetic drum
- magnetic separator
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- 239000006148 magnetic separator Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010865 sewage Substances 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 abstract description 13
- 239000012530 fluid Substances 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract 2
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000006249 magnetic particle Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Abstract
The invention provides an axial-flow high-efficiency heavy medium magnetic separator, the main body of which is a magnetic separator, and the magnetic separator is formed by arranging a closed shell which is horizontally arranged on a bracket. The invention adopts the axial feeding mode of the magnetic drum, does not generate the phenomenon that part of fluid in the conventional radial flow magnetic drum passes through the edge of the magnetic drum and the non-magnetic weak magnetic area at the edge of the magnetic drum and the flow channel, and can reduce the loss of the magnetic dense medium to the maximum extent. The magnetic dense medium in the water treatment process can be efficiently recovered, and the loss of the dense medium is reduced to the maximum extent, so that the water treatment cost is reduced. In the using process of the invention, all the raw material liquid passes through the magnetic action area in the magnetic drum, the retention time of the raw material liquid in the magnetic recovery equipment is longer and is 3-5 times of that of the conventional countercurrent, cocurrent or semi-countercurrent device, the drum surface area contacted with the fluid is larger, and the load of the magnetic heavy medium adsorbed in unit area is smaller.
Description
Technical field
The present invention relates to relate to water treatment field, particularly relate to high efficiente callback and the utilization of magnetic dense media in water treatment procedure, be specially a kind of high efficiency axial flow dense media magnetic separator.
Background technology
In recent years, dense media coagulation-settlement process, because of response time short (the 1/3 of conventional process), floor space little (1/3-1/10 of conventional land used), the high favor the most progressively obtaining environmentalist of efficiency, has wide promotion prospect at water treatment field.This technique adds as representative with magnetic particle, particle diameter about 200-300 mesh, and density is high, can form big density with conventional coagulation process combination and mix flco, accomplish rapid subsidence.Due to stable chemical nature, suitable water processing procedure is wide in range.
In the utilization of dense media coagulation-settlement process, in flco, the high efficiente callback of magnetic-particle is key point, can the response rate the most about 80-85% in practical engineering application, higher the becoming of operating cost restricts the bottleneck that this technology develops further.It is not promising that, the research summary of the invention of magnetic reclaimer is mainly focused on coal separation ore dressing field at present, used by coal separation ore dressing field, the granule of dense media is bigger, purity is lower, and most magnetic reclaimers all can not meet necessary requirement in dense media coagulation-settlement process instantly.
From the point of view of document analysis, either following current, adverse current and half adverse current magnetic separating apparatus, or formula and disc electromagnetic separation equipment, also or permanent magnetism and electromagnetism magnetic separating apparatus, existing equipment all have employed from the radially fed mode of magnetic drum.Use radial flow magnetic drum reclaimer to there are two problems being difficult to avoid that in design: (1) magnetic drum two ends exist 1-2cm without magnetic or weak magnetic area；(2) magnetic drum outward flange exists without magnetic region with runner inward flange.Although can be reduced without gap, magnetic region by design improvement, but cannot avoid.The existence of these problems all can reduce the response rate of magnetic particle, and along with separating the reduction of magnetic drum volume, edge will increase without the runner accounting of magnetic or weak magnetic area, and the decline of the response rate becomes apparent from, and this is obviously unfavorable to the dense media coagulation-settlement process of low processing capacity.Solution for problem above is illustrated by the present invention.
Summary of the invention
For solving the problems referred to above, the invention provides one can magnetic dense media in high efficiente callback water treatment procedure, reduce dense media loss to greatest extent, to reduce the technical scheme of cost of water treatment:
A kind of high efficiency axial flow dense media magnetic separator, main body is magnetic separator, magnetic separator is arranged on support by the closure of horizontal positioned and constitutes, magnetic drum it is provided with in closure, closure side is provided with scraper plate, and bottom closure, two ends are respectively arranged with sewage draining exit and charging aperture, arranges blowdown weir plate in closure corresponding above sewage draining exit, arranging water inlet weir plate in closure corresponding above charging aperture, bottom closure, centre position is provided with blow-down pipe.Being provided with motor support platform on support, be provided with motor by motor support platform, the drive shaft of motor is connected by the axis running through magnetic drum axial with magnetic drum, and axis two ends connect has middle shaft holder, middle shaft holder to be fixedly installed on support.
Further, it is connected with blowdown weir plate and water inlet weir plate respectively with two identical curved surface corners bottom closure, between blowdown weir plate and water inlet weir plate, on closure, is provided with several Semicircular baffles.
Further, in magnetic drum, magnetic system uses the big angle wrapping structure of permanent magnetism, and its segment angle is 180-220 °, and the magnetic field intensity peak value on magnetic drum surface is at 1200 more than GS.
Further, any one side end of closure has an overflow pipe, and described overflow pipe is arranged on immediately below magnetic drum axis position at 5 ~ 15cm.
Further,
Also including watch window, watch window is two pieces of glass plates connected with right angle, and length is identical with scraper plate length, is fixedly installed on the surface of scraper plate.
The beneficial effects of the present invention is:
(1) present invention uses magnetic drum axial admission mode, does not haves the phenomenon that the segment fluid flow occurred in conventional radial flow magnetic drum passes through without magnetic weak magnetic area with runner edge from magnetic drum edge and magnetic drum, can at utmost reduce the loss of magnetic dense media.Can magnetic dense media in high efficiente callback water treatment procedure, reduce dense media loss to greatest extent, to reduce cost of water treatment.
(2) present invention is in use, all material liquids all can be by the magneticaction district in magnetic drum, the feed liquid time of staying in magnetic reclaimer is longer, for conventional reverse-flow, following current or 3-5 times of half backflow device, thus the drum surface area contacted with fluid is bigger, unit are absorption magnetic dense media load is less.
(3) inventive closure outer casing bottom have employed arcuate relief runner, compared with right-angle baffle runner, the loss of flood peak can be reduced, reduce the flco alluvial of runner bottom dead, simultaneously because form continuously zooming structure at runner section, it is easily formed local turbulence, makes nonmagnetic flco be difficult to by magnetic drum and carry secretly, thus it is less to reclaim the water pollutant in dense media.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is present device front view；
Fig. 3 is closure polycrystalline substance detail view.
Detailed description of the invention
For making the goal of the invention of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
Such as Fig. 1, shown in Fig. 2, high efficiency axial flow dense media magnetic separator, main body is magnetic separator 1, magnetic separator 1 is arranged by the closure 2 of horizontal positioned and constitutes on the frame 6, magnetic drum 3 it is provided with in closure 2, closure 2 side is provided with scraper plate 4, bottom closure 2, two ends are respectively arranged with sewage draining exit 8 and charging aperture 9, in closure 2 corresponding above sewage draining exit 8, blowdown weir plate 10 is set, arranging water inlet weir plate 15 in closure 2 corresponding above charging aperture 9, bottom closure 2, centre position is provided with blow-down pipe 16.Motor support platform 11 is installed on support 6, by motor support platform 11, motor 7 is installed, the drive shaft of motor 7 is connected by running through the axial axis of magnetic drum 3 13 with magnetic drum 3, and axis 13 two ends connect has middle shaft holder 12, middle shaft holder 12 to be fixedly installed on the frame 6.In magnetic drum 3, magnetic system uses the big angle wrapping structure of permanent magnetism, and its segment angle is 180-220 °, and the magnetic field intensity peak value on magnetic drum 3 surface is at 1200 more than GS.Material liquid enters from charging aperture 9, and for ensureing charging uniformly, charging aperture uses the design of small-bore multi-pipeline, after being full of feed space, overflows across water inlet weir plate 15 and enters Magneto separate region.Magnetic drum 3 rotates around axis 13, and material liquid axially flows along magnetic drum.In magnetic drum, permanent magnet 1 arrangement uses big cornerite form, the most both can guarantee that magnetic drum 3 and feed liquid contact surface had enough magnetic field, can guarantee that again the isolated dense media in magnetic drum 3 surface will not landing the most again, affect separation efficiency.
The dense media on magnetic drum 3 surface is being scraped by scraper plate 4 without magnetic region, gets enter into system reuse.Residue sewage overflows blowdown weir plate 10 is discharged by sewage draining exit 8, includes plumbing drain in and focuses on, so can reduce the loss of flood peak, prevents flco from depositing in runner corner, breed bacteria.
As shown in Figure 3, it is connected with blowdown weir plate 10 and water inlet weir plate 15 respectively with two identical curved surface corners 17 bottom closure 2, several curved baffles 18 it are provided with on closure 2 between blowdown weir plate 10 and water inlet weir plate 15, the benefit so arranged has three: when (1) material liquid flows on baffle plate 18 top, magnetic dense media distance magnetic drum 3 is closer to, the recovery of the least granule dense media；(2) repeat to scale fluid on fluid section and be easily formed local turbulence, make nonmagnetic flco be difficult to by magnetic drum and carry secretly, improve the cleannes reclaiming dense media；(3) hydraulic loss is little.Whole magnetic drum 3 is closed shell 2 and surrounds, and can effectively prevent feed liquid from splashing, and improves on-the-spot clean and tidy degree.
In the present invention, also including that watch window 5, watch window 5 are two pieces of glass plates connected with right angle, length is identical with scraper plate 4 length, is fixedly installed on the surface of scraper plate 4.Magnetic drum 3 operating condition can be observed by observation window 5.Meanwhile, when equipment needs to clean, cleaning waste liquid can be vented by blow-down pipe 16.Any one side end of closure 2 has an overflow pipe 14, and overflow pipe 14 is arranged on immediately below magnetic drum 3 axis 13 position at 5 ~ 15cm.If flow is excessive or blocking occurs runner, overflow pipe 14 can discharge feeding liquid in time.Runner blocks, and can access high-pressure hydraulic pump and carry out backwash at blow-down pipe 16.
The present invention uses magnetic drum 3 axial admission mode, does not haves the phenomenon that the segment fluid flow occurred in conventional radial flow magnetic drum 3 passes through without magnetic weak magnetic area with runner edge from magnetic drum 3 edge and magnetic drum 3, can at utmost reduce the loss of magnetic dense media.Can magnetic dense media in high efficiente callback water treatment procedure, reduce dense media loss to greatest extent, to reduce cost of water treatment.In use, all material liquids all can be by the magneticaction district in magnetic drum 3, and the feed liquid time of staying in magnetic reclaimer is longer, for conventional reverse-flow, following current or 3-5 times of half backflow device, bigger from the drum surface area contacted with fluid, unit are absorption magnetic dense media load is less.
Above-described embodiment is presently preferred embodiments of the present invention; it it is not the restriction to technical solution of the present invention; as long as the technical scheme that can realize on the basis of above-described embodiment without creative work, in the range of being regarded as falling into the rights protection of patent of the present invention.
Claims (4)
1. a high efficiency axial flow dense media magnetic separator, main body is magnetic separator, it is characterised in that: described magnetic separator is arranged on support by the closure of horizontal positioned and constitutes；It is provided with magnetic drum in described closure, closure side is provided with scraper plate, bottom closure, two ends are respectively arranged with sewage draining exit and charging aperture, in closure corresponding above sewage draining exit, blowdown weir plate is set, arranging water inlet weir plate in closure corresponding above charging aperture, bottom closure, centre position is provided with blow-down pipe；Being provided with motor support platform on described support, be provided with motor by motor support platform, the drive shaft of motor is connected by the axis running through magnetic drum axial with magnetic drum, and axis two ends connect has middle shaft holder, middle shaft holder to be fixedly installed on support；It is connected with blowdown weir plate and water inlet weir plate respectively with two identical curved surface corners bottom described closure, between blowdown weir plate and water inlet weir plate, on closure, is provided with several curved baffles.
A kind of high efficiency axial flow dense media magnetic separator, it is characterised in that: in described magnetic drum, magnetic system uses the big angle wrapping structure of permanent magnetism, and its segment angle is 180-220 °, and the magnetic field intensity peak value on magnetic drum surface is at 1200 more than GS.
A kind of high efficiency axial flow dense media magnetic separator, it is characterised in that: any one side end of affiliated closure has an overflow pipe, and described overflow pipe is arranged on immediately below magnetic drum axis position at 5 ~ 15cm.
A kind of high efficiency axial flow dense media magnetic separator, it is characterised in that: also including that watch window, described watch window are two pieces of glass plates connected with right angle, length is identical with scraper plate length, is fixedly installed on the surface of scraper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042955.8A CN104607310B (en) | 2015-01-28 | 2015-01-28 | Axial-flow high-efficiency heavy medium magnetic separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042955.8A CN104607310B (en) | 2015-01-28 | 2015-01-28 | Axial-flow high-efficiency heavy medium magnetic separator |
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| Publication Number | Publication Date |
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| CN104607310A CN104607310A (en) | 2015-05-13 |
| CN104607310B true CN104607310B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510042955.8A Active CN104607310B (en) | 2015-01-28 | 2015-01-28 | Axial-flow high-efficiency heavy medium magnetic separator |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813944A (en) * | 2017-04-13 | 2017-06-09 | 太平洋水处理工程有限公司 | The sampler and detection method of dense media powder content in a kind of detection water |
| CN112723646A (en) * | 2020-12-08 | 2021-04-30 | 深圳市诺金环保技术有限公司 | Magnetic coagulation is applied to printed wiring board waste water retrieval and utilization pretreatment of water device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1294381A1 (en) * | 1985-10-09 | 1987-03-07 | Государственный проектно-конструкторский институт "Гипромашуглеобогащение" | Drum magnetic separator |
| KR100655775B1 (en) * | 2004-10-04 | 2006-12-11 | 이상웅 | Waste seperator |
| CN2820324Y (en) * | 2005-09-20 | 2006-09-27 | 煤炭科学研究总院唐山分院 | High efficiency wet permanent magnet tabular magnetic separator |
| CN201067704Y (en) * | 2007-02-09 | 2008-06-04 | 郭太昌 | Mobile dry type magnetic separator |
| CN201380117Y (en) * | 2009-03-30 | 2010-01-13 | 黄育林 | Double-tube type double-suction magnet separator |
| CN204672417U (en) * | 2015-01-28 | 2015-09-30 | 太平洋水处理工程有限公司 | A kind of high efficiency axial flow dense media magnetic separator |
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