CN104923381A - Complex force field spiral chute for ore dressing - Google Patents
Complex force field spiral chute for ore dressing Download PDFInfo
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- CN104923381A CN104923381A CN201510378132.2A CN201510378132A CN104923381A CN 104923381 A CN104923381 A CN 104923381A CN 201510378132 A CN201510378132 A CN 201510378132A CN 104923381 A CN104923381 A CN 104923381A
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Abstract
The present invention discloses a complex force field spiral chute for ore dressing, and fine particles can be effectively prevented from entering into a tailing zone. The spiral chute comprises a channel steel support, an ore-feeding device, magnetic poles, a pulsating pressure water tank, a spiral blade, an ore dividing bucket, an ore intercepting bucket and an ore receiving bucket. The permanent magnetic fixed magnetic poles are installed at an external portion of a spiral blade of an existing spiral chute, so that magnetic fine particles in magnetic mineral can be forced by an inward-radial magnetic retentive force to enter into a concentrate zone under the function of an applied magnetic field. The pulsating water tank is installed at the bottom of a spiral surface, ore particles are prevented from rubbing with the spiral surface, so that the ore particles can be well layered and separated conveniently, and equipment abrasion can be eliminated conveniently. Concentrate grades can be improved, concentration ratio can be increased, mineral recovery rates can be improved, an existing spiral ore dressing technology can be simplified, and equipment maintenance rates and equipment power consumption can be reduced.
Description
Technical field
The present invention relates to ore-dressing plant, especially a kind of ore dressing compound force field spiral chute.
Background technology
Spiral mineral is one of simply a kind of and efficient beneficiation method, and be in the industry cycle widely used, this method has the advantage such as non-power consumption, non-environmental-pollution.Nineteen forty-one B. Humphrey has invented spiral concentrator, and the pyrite mainly for the associated gold of Colorado sorts.Spiral concentrator model machine is made according to the old truck tyre of helicla flute shape.Depressed due to U.S.'s gold mining industry, first the industrial spiral concentrator for sorting chromite ore is arranged on Oregon in nineteen forty-three, is and then used for sorting titanium ore from beach placer in nineteen forty-four in Florida.Spiral concentrator cylinder iron manufactures, and is made semicircle, is bolted together, heavily about 1 ton, every platform spiral.Single head, namely each newel installs one.As required, spiral is 4 circles or 6 circles.In Australia, beach placer miner, according to the imagination of Humphrey, starts to manufacture spiral concentrator with truck tyre.Nineteen forty-seven has manufactured the helicla flute of 120 degree with the concrete that band asbestos are strengthened, and is used for sorting rutile and wrong diamond stone.The mid-50, E. relies cut to adopt glass fibre to manufacture spiral concentrator, and this is a very large progress.Helicla flute is made continuous print, can avoid using bolt to connect, in order to avoid cause the interference of flowing destruction and the ore deposit of helicoid geometry.Very thin spiral cell wall can make 2 or 3 spirals be arranged on a newel simultaneously, saves large quantity space.Due to multi-head spiral and lightweight, the advantage such as not corrode, can be arranged on mobile concentration plant and mining dredger, be particularly suitable for the selecting and purchasing of beach placer.Humphrey's spiral, the ore discharge of initial concentrate is the plate-like dispenser rotated with, and be arranged on spiral fluted concentrate outlet, this method still adopts so far, but with referring to: the open channel that shape dispenser splits concentrate from the stream of ore deposit substitutes.This method adopted first in nineteen sixty, overcame plate-like dispenser and rotated shortcoming that the is dumb and blocking of concentrate mouth.Early stage spiral concentrator, need to go to rinse the light material on heavy material surface with washings, heavy material flows to helicla flute inner margin portion.In fact, early stage spiral concentrator is easy at helicla flute inner edge settling sand, if system malfunctions added by washings, will cause very large infringement to mineral processing index.The end of the seventies, Australia has done a lot of research and development to spiral concentrator, is changing spiral fluted physical dimension, i.e. pitch length and screw diameter without on the spiral of flushing water, this improvement receives the welcome of manufactory and applying unit, and continues to develop in the world.The spiral concentrator nearly all in the eighties all eliminates washings, ensures that the helical design without washings is suitable for the needs of all sortings.
Over nearly 40 years, because the beneficiation enrichment of spiral chute is than little, the fine grained valuable mineral in spiral chute ore dressing is easily gone in mine tailing, causes tailings grade high, the shortcomings such as the valuable mineral rate of recovery is low.Therefore, spiral chute progress stays cool substantially.Improvement on spiral chute just adjusts to some extent in the section configuration of pitch, spiral shell and the curve of spiral shell.There is no the progress that essence is breakthrough.Easily tailing zone is mixed into for fine grained valuable mineral in current spiral chute ore dressing, cause spiral chute ore dressing to there is concentrate grade low, concentration ratio is not high, and tailings grade is high, reduce the problems such as the valuable mineral rate of recovery, need a kind of NEW TYPE OF COMPOSITE field of force spiral chute.
Summary of the invention
The invention provides a kind of ore dressing compound force field spiral chute, can effectively stop fine grain particle to enter tailing zone, improve concentrate grade.
A kind of ore dressing compound force field spiral chute provided by the invention comprises: channel-section steel support, ore feeder, magnetic pole, fluctuation pressure water tank, helical blade, divide ore bucket, cut ore bucket and connect ore bucket, described channel-section steel support is as skeleton, ore feeder, magnetic pole, fluctuation pressure water tank, helical blade, divide ore bucket, cutting ore bucket and connecing ore bucket is all attached on channel-section steel support, ore bucket is divided to be arranged on the top of channel-section steel support, ore feeder is below point ore bucket, be arranged on the top of helical blade, the inner side outer wall of helical blade is equipped with magnetic pole, magnetic pole provides magnetic field, in the below of helical blade, pulsation water tank is installed, pulsation water tank provides fluctuating flow, to reduce the friction of mineral grain and helical blade, cut the bottom that ore bucket is arranged on helical blade inside, make Mineral Zonation, connect the outside that ore bucket is arranged on the end section of helical blade, connect ore bucket for accessing different minerals product.
Described helical blade becomes Fourier's spiral involute to launch.
The present invention compared with prior art, its significantly beneficial effect be embodied in:
The present invention installs permanent magnetism fixed magnetic pole in the helical blade outside of existing spiral chute, can make magnetic fine grained in magnetic mineral under the effect of externally-applied magnetic field, be subject to radial magnetive attraction inwards, enter concentrate band and do not run tail.Bottom helicoid install pulsation water tank, make ore particle not with helicoid friction, be conducive to the better layering sorting of ore particles, also help abatement apparatus wearing and tearing.The present invention can improve concentrate grade, improves concentration ratio, improves use mineral recovery rate, simplifies existing spiral mineral technique, reduces maintenance of equipment rate and equipment dynamic consumption.
Accompanying drawing illustrates:
Fig. 1 is a kind of ore dressing compound force field spiral chute structural representation.
Fig. 2 is helical blade helicoid perforate pattern schematic diagram in a kind of ore dressing compound force field spiral chute.
Detailed description of the invention
As shown in Figure 1, a kind of ore dressing compound force field spiral chute, this spiral chute is by channel-section steel support 1, ore feeder 2, magnetic pole 3, fluctuation pressure water tank 4, helical blade 5, divide ore bucket 6, cut ore bucket 7 and connect ore bucket 8 and form, described channel-section steel support 1 is as skeleton, ore feeder 2, magnetic pole 3, fluctuation pressure water tank 4, helical blade 5, divide ore bucket 6, cutting ore bucket 7 and connecing ore bucket 8 is all attached on channel-section steel support 1, ore bucket 6 is divided to be arranged on the top of channel-section steel support 1, ore feeder 2 is below point ore bucket 6, be arranged on the top of helical blade 5, the inner side outer wall of helical blade 5 is equipped with magnetic pole 3, magnetic pole 3 provides magnetic field, pulsation water tank 4 is installed in the below of helical blade 5, pulsation water tank 4 provides fluctuating flow, to reduce the friction of mineral grain and helical blade 5.Cut the bottom that ore bucket 7 is arranged on helical blade 5 inside, make Mineral Zonation, connect the outside that ore bucket 8 is arranged on the end section of helical blade 5, connect ore bucket 8 for accessing different minerals product, the shape of described helical blade 5 as shown in Figure 2, in Fig. 29 is holes of helical blade 5, and helical blade 5 one-tenth Fourier spiral involute launches.
Claims (2)
1. an ore dressing compound force field spiral chute, it is characterized in that this spiral chute comprises: channel-section steel support, ore feeder, magnetic pole, fluctuation pressure water tank, helical blade, divide ore bucket, cut ore bucket and connect ore bucket, described channel-section steel support is as skeleton, ore feeder, magnetic pole, fluctuation pressure water tank, helical blade, divide ore bucket, cutting ore bucket and connecing ore bucket is all attached on channel-section steel support, ore bucket is divided to be arranged on the top of channel-section steel support, ore feeder is below point ore bucket, be arranged on the top of helical blade, the inner side outer wall of helical blade is equipped with magnetic pole, in the below of helical blade, pulsation water tank is installed, cut the bottom that ore bucket is arranged on helical blade inside, connect the outside that ore bucket is arranged on the end section of helical blade.
2. a kind of ore dressing compound force field spiral chute according to claim 1, is characterized in that said helical blade becomes Fourier's spiral involute to launch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510378132.2A CN104923381A (en) | 2015-06-30 | 2015-06-30 | Complex force field spiral chute for ore dressing |
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| CN201510378132.2A CN104923381A (en) | 2015-06-30 | 2015-06-30 | Complex force field spiral chute for ore dressing |
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| CN104923381A true CN104923381A (en) | 2015-09-23 |
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| CN201510378132.2A Pending CN104923381A (en) | 2015-06-30 | 2015-06-30 | Complex force field spiral chute for ore dressing |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689107A (en) * | 2016-04-13 | 2016-06-22 | 江西稀有金属钨业控股集团有限公司 | Screw concentrator, screw concentrating method and mineral separating plate of screw concentrator |
| CN106508310A (en) * | 2016-11-27 | 2017-03-22 | 胡妍 | Self-rotation type grain distributing device |
| CN106583021A (en) * | 2016-12-12 | 2017-04-26 | 昆明理工大学 | Method for increasing yield of magnetic minerals by spiral chute |
| CN106856895A (en) * | 2016-11-27 | 2017-06-20 | 胡妍 | A kind of self-rotary grain distributer |
| CN106938789A (en) * | 2016-11-27 | 2017-07-11 | 胡妍 | A kind of self-rotary grain distributer |
| CN108745640A (en) * | 2018-06-14 | 2018-11-06 | 中国地质科学院郑州矿产综合利用研究所 | Chute, equipment and method for gradient magnetic gravity centrifugal screening of magnetic minerals |
| CN109622207A (en) * | 2018-12-17 | 2019-04-16 | 海南文盛新材料科技股份有限公司 | It is a kind of for separating the spiral chute of garnet and titanium ore mixture |
| CN110260950A (en) * | 2019-03-21 | 2019-09-20 | 刘丽春 | A kind of water level monitoring device of anti-coiling of the hydraulic engineering at dykes and dams bank duckweed |
| CN110871139A (en) * | 2019-12-11 | 2020-03-10 | 成都市宏智达科技有限公司 | A recovery unit for fine grain weak magnetism magnetic mineral |
| CN113569503A (en) * | 2021-08-08 | 2021-10-29 | 东北大学 | Geometric sectional optimization and combined design method for section of spiral chute |
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| GB1371241A (en) * | 1972-08-24 | 1974-10-23 | Fuller R G | Helical concentrator |
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2015
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689107B (en) * | 2016-04-13 | 2017-12-01 | 江西稀有金属钨业控股集团有限公司 | A kind of spiral concentrator, spiral mineral method and its mine-separating board |
| CN105689107A (en) * | 2016-04-13 | 2016-06-22 | 江西稀有金属钨业控股集团有限公司 | Screw concentrator, screw concentrating method and mineral separating plate of screw concentrator |
| CN106508310A (en) * | 2016-11-27 | 2017-03-22 | 胡妍 | Self-rotation type grain distributing device |
| CN106856895A (en) * | 2016-11-27 | 2017-06-20 | 胡妍 | A kind of self-rotary grain distributer |
| CN106938789A (en) * | 2016-11-27 | 2017-07-11 | 胡妍 | A kind of self-rotary grain distributer |
| CN106583021B (en) * | 2016-12-12 | 2019-06-11 | 昆明理工大学 | A method of spiral chute is improved to the magnetic mineral rate of recovery |
| CN106583021A (en) * | 2016-12-12 | 2017-04-26 | 昆明理工大学 | Method for increasing yield of magnetic minerals by spiral chute |
| CN108745640A (en) * | 2018-06-14 | 2018-11-06 | 中国地质科学院郑州矿产综合利用研究所 | Chute, equipment and method for gradient magnetic gravity centrifugal screening of magnetic minerals |
| CN108745640B (en) * | 2018-06-14 | 2024-01-09 | 中国地质科学院郑州矿产综合利用研究所 | Gradient magnetic gravity centrifugal screening chute, equipment and method for magnetic minerals |
| CN109622207A (en) * | 2018-12-17 | 2019-04-16 | 海南文盛新材料科技股份有限公司 | It is a kind of for separating the spiral chute of garnet and titanium ore mixture |
| CN110260950A (en) * | 2019-03-21 | 2019-09-20 | 刘丽春 | A kind of water level monitoring device of anti-coiling of the hydraulic engineering at dykes and dams bank duckweed |
| CN110871139A (en) * | 2019-12-11 | 2020-03-10 | 成都市宏智达科技有限公司 | A recovery unit for fine grain weak magnetism magnetic mineral |
| CN113569503A (en) * | 2021-08-08 | 2021-10-29 | 东北大学 | Geometric sectional optimization and combined design method for section of spiral chute |
| CN113569503B (en) * | 2021-08-08 | 2022-10-14 | 东北大学 | Geometric sectional optimization and combined design method for section of spiral chute |
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Application publication date: 20150923 |
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