CN201579108U - Pulsed turbulent field fluidization mineral separator - Google Patents

Pulsed turbulent field fluidization mineral separator Download PDF

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Publication number
CN201579108U
CN201579108U CN2009203050331U CN200920305033U CN201579108U CN 201579108 U CN201579108 U CN 201579108U CN 2009203050331 U CN2009203050331 U CN 2009203050331U CN 200920305033 U CN200920305033 U CN 200920305033U CN 201579108 U CN201579108 U CN 201579108U
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China
Prior art keywords
separation
mineral separator
flow field
density
fluidization
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Expired - Fee Related
Application number
CN2009203050331U
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Chinese (zh)
Inventor
刘培坤
王霄鹏
西作海
崔学奇
葛家君
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Weihai Haiwang Hydrocyclone Co Ltd Beijing Huayu Engineering Co Ltd Of Zh
Original Assignee
Weihai Haiwang Hydrocyclone Co Ltd Beijing Huayu Engineering Co Ltd Of Zh
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Application filed by Weihai Haiwang Hydrocyclone Co Ltd Beijing Huayu Engineering Co Ltd Of Zh filed Critical Weihai Haiwang Hydrocyclone Co Ltd Beijing Huayu Engineering Co Ltd Of Zh
Priority to CN2009203050331U priority Critical patent/CN201579108U/en
Application granted granted Critical
Publication of CN201579108U publication Critical patent/CN201579108U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the field of mineral separation machinery, in particular to a pulsed turbulent field fluidization mineral separator with high separation precision, which is characterized by comprising a tubular body; the upper end of the body is provided with a feed well and an overflow pipe; the feed well is provided with a feed pipe; the lower end of the body is provided with a discharge cone; the discharge cone is provided with a discharge port; a fluid distributor and a separating device consisting of a separation plate are arranged in the body; the utility model is a novel separation technology which has the advantages of high-efficiency media autogeny, large processing volume and low operation cost, combines a fluidization technology, a pulsed turbulent field interference deposition technology and an anomalous corrugated oblique plate separation technology, takes coarse-particle high-density materials when in feeding as medium solid of autogeny, fluidizes a separation bed layer with water jump-type up-flow and improves the density of separation media, so that materials with the density higher than that of the separation media sink to the bottom through the bed layer and materials with the density lower than that of the separation media float up and enter the overflow pipe; and the pulsed turbulent field fluidization mineral separator has the advantages of unique structural design, strong adaptability to feeding concentration and the material nature, and can control the cleaned coal ash to be within 15 percent through one-step separation and the tail coal ash to be within 42 to 80 percent with the feeding nature.

Description

A kind of pulse turbulence flow field fluidized mineral separator
Technical field:
The utility model relates to sorting mineral machinery, the high pulse turbulence flow field fluidized mineral separator of specifically a kind of sharpness of separation.
Background technology:
The coal characteristics of China is that Bed for Fine Coal content is big, the ash rate of China's coarse slime is lower in addition, produce very low that qualified cleaned coal must fall separating density, most of coal slimes become awkward choosing or utmost point difficult separation coal, and the screening installation effect that is used for separation of coarse slime on the present domestic industry is all undesirable, majority is in dead status, therefore the research and extension separation of coarse slime equipment that has the higher efficiency of separation when low separating density has important practical significance, and this also is to reduce the total cleaned coal sulphur content of coal in China and reduce and dye one of important channel that coal pollutes.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of high efficiency, pulse turbulence flow field fluidized mineral separator that sharpness of separation is high are provided.
The utility model can reach by following measure:
A kind of pulse turbulence flow field fluidized mineral separator, it is characterized in that being provided with the tubular body, the body upper end is provided with feedwell and overflow pipe, feedwell is provided with feed pipe, the body lower end is provided with discharge cone, discharge cone is provided with discharge gate, is provided with fluid distributor in the body and by the sorter that selects plate to form.
The utility model feed pipe involute form is connected with the top of feedwell, the discharging opening of feedwell is positioned at 3/4 place of body height, the ore pulp that enters is distributed equably in whole charging cross section, help the stable of charging place flow field, also can realize the preliminary sorting of material on the other hand at the feedwell place.
Fluid distributor described in the utility model is by coil pipe, nozzle and conduit are formed, coil pipe is fixed on the discharge cone top, coil pipe is provided with nozzle, coil pipe is connected with extra-organismal membrane pump through conduit, by changing the barrier film throw of pump, jig frequency, the amplitude of the pulsation alternation current of realization vertical lift and the change of frequency, fluid distributor can produce the recurrent pulses upwelling, the abundant dispersion of sorter and the dynamic stability of bed height have been guaranteed, by the stream of pulses stroke, jig frequency and fluid pressure, the flexible modulation of flow, realize the controlled of separating density, adjustable, but fluid distributor moisturizing, tonifying Qi or tonic, air flotation technology can be introduced the sorting space during tonifying Qi tonic, realize the sorting of compound force field.
Sorter described in the utility model constitutes the corrugated plating group by the corrugated plating that is parallel to each other, the interlaced arrangement of trough crest of adjacent corrugated plate, corrugated plating is skewed and is connected with body, corrugated plating is generally horizontal by 60 ° of angles, sorter described in the utility model also can be arranged above and below by two groups of corrugated platings and constitute, two groups of corrugated platings are 120 ° of angles up and down, be beneficial to prolong sorting time, the raising sharpness of separation of material, also help the separation velocity gradient that forms gradual change in addition, realize the multilayer sorting of many gradients.
The utility model is the efficient high throughput of a kind of autogenous medium, the novel sorting technology of low operating cost, it is with fluidization technology, pulse turbulence flow field hindered falling technology, abnormity ripple swash plate sorting technology combines, with the coarse granule high density material in the pan feeding as spontaneous medium solid, utilize hydraulic jump formula upwelling to make the fluidization of sorting bed, improve the density of separating medium, the material that is higher than separating medium density sees through bed and sinks to the bottom, the material come-up that is lower than separating medium density enters overflow, has the structural design uniqueness, adaptability to input concentration and material properties is strong, can be in 15% by sorting control cleans ash, the tail coal ash content with pan feeding character in the 42-80% scope.
Description of drawings:
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the A-A profile of Fig. 1.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
As shown in drawings, a kind of pulse turbulence flow field fluidized mineral separator, be provided with tubular body 4, cross section one dish of body 4 is rounded, also can be square or other shape, its diameter can change in the scope from 1800mm to 3600mm, the height of body 4 is generally 1.0-1.5 times of diameter, body 4 upper ends are provided with feedwell 2 and overflow pipe 3, feedwell 2 is provided with feed pipe 1, feed pipe 1 is connected with involute form or spiral top with feedwell 2, the discharging opening of feedwell 2 is positioned at 3/4 place of body 4 height, so that the ore pulp that enters distributes equably in whole charging cross section, help the stable of charging place flow field, also can realize the preliminary sorting of material on the other hand at feedwell 2 places, body 1 lower end is provided with discharge cone 8, discharge cone 8 is a frustum of a cone that stands upside down, discharge cone 8 is provided with discharge gate 9, discharge gate 9 with the mode that is threaded be fixed in discharge cone 8 under, the big I of its bore is according to the difference of sorting material character, change, be provided with fluid distributor in the body 1 and by the sorter 5 that selects plate to form, fluid distributor is by coil pipe 10, nozzle 6 and conduit 7 are formed, coil pipe 10 can coil circular, also can line up square or other shape, coil pipe 10 can be formed by a pipe dish system, also can circularize by many pipe dishes, be connected with conduit 7 respectively then, coil pipe 10 is fixed on discharge cone 8 tops, coil pipe 10 is provided with nozzle 6, nozzle 6 can be thought fluid injector or gas nozzle, nozzle 10 is same as the prior art, this does not give unnecessary details, coil pipe 10 is connected with extra-organismal membrane pump through conduit 7, by changing the barrier film throw of pump, jig frequency, the amplitude of the pulsation alternation current of realization vertical lift and the change of frequency, fluid distributor can produce the recurrent pulses upwelling, the abundant dispersion of sorter and the dynamic stability of bed height have been guaranteed, by the stream of pulses stroke, jig frequency and fluid pressure, the flexible modulation of flow, realize the controlled of separating density, adjustable, but fluid distributor moisturizing, tonifying Qi or tonic, air flotation technology can be introduced the sorting space during tonifying Qi tonic, realize the sorting of compound force field, sorter 5 described in the utility model constitutes the corrugated plating group by the corrugated plating that is parallel to each other, the trough of adjacent corrugated plate, the interlaced arrangement of crest, corrugated plating is skewed and is connected with body 4, corrugated plating is generally horizontal by 60 ° of angles, sorter described in the utility model also can be arranged above and below by two corrugated plating groups and constitute, two groups of corrugated platings are 120 ° of angles up and down, be beneficial to prolong the sorting time of material, improve sharpness of separation, also help the separation velocity gradient that forms gradual change in addition, realize the multilayer sorting of many gradients.
The course of work of the present utility model is, the material for the treatment of sorting enters feedwell 2 by feed pipe 1 with helix or involute form, around edge, feedwell 2 lower part outlet places, scatter, meanwhile, membrane pump begins the additional ascending water (gas) from the bottom through moisturizing (tonifying Qi) conduit 7, water (gas) to single-nozzle 6, forms the even ascending water (stream of entire cross section through donut moisturizing (tonifying Qi) coil pipe (10) uniform distribution.
Treat material process corrugated plating group fill area in downward motion process of sorting, (stream meets with the water that rises in this zone, passage between the corrugated plating in the corrugated plating group, help treating uniform on whole cross section of stability that sorting material flows and ore pulp, simultaneously, prolong ore pulp glide path, reached the purpose that prolongs the sorting time, improves sharpness of separation.
Moisturizing (tonifying Qi), with reference to the jigging principle, the pulsation alternation current of design vertical lift are realized the abundant loose of sorting mined material and by density stratification, are eliminated granularity and the shape adverse effect to sorting to greatest extent, improve sharpness of separation; Select the membrane pump moisturizing on the technology for use; By changing barrier film throw of pump, jig frequency, the amplitude of the pulsation alternation current of realization vertical lift and the change of frequency.
(stream has formed solid-liquid (stream attitude bed with sorting material to the pulsation alternation water of vertical lift, those density can see through bed greater than the material particles of bed density and move downward and enter underflow discharge cone 8, discharge continuously through the discharge gate 9 of suitable size; Density then moves upward less than the particle of bed density and enters overflow, discharges continuously from return main 3.

Claims (7)

1. pulse turbulence flow field fluidized mineral separator, it is characterized in that being provided with the tubular body, the body upper end is provided with feedwell and overflow pipe, feedwell is provided with feed pipe, the body lower end is provided with discharge cone, discharge cone is provided with discharge gate, is provided with fluid distributor in the body and by the sorter that selects plate to form.
2. a kind of pulse turbulence flow field fluidized mineral separator according to claim 1 is characterized in that feed pipe is connected with the top of feedwell with the involute form.
3. a kind of pulse turbulence flow field fluidized mineral separator according to claim 1 is characterized in that the discharging opening of feedwell is positioned at 3/4 place of body height.
4. a kind of pulse turbulence flow field fluidized mineral separator according to claim 1, it is characterized in that fluid distributor is made up of coil pipe, nozzle and conduit, coil pipe is fixed on the discharge cone top, and coil pipe is provided with nozzle, and coil pipe is connected with extra-organismal membrane pump through conduit.
5. a kind of pulse turbulence flow field fluidized mineral separator according to claim 1, it is characterized in that sorter constitutes the corrugated plating group by the corrugated plating that is parallel to each other, the interlaced arrangement of trough crest of adjacent corrugated plate, corrugated plating is skewed and is connected with body.
6. a kind of pulse turbulence flow field fluidized mineral separator according to claim 5 is characterized in that corrugated plating is horizontal by 60 ° of angles.
7. a kind of pulse turbulence flow field fluidized mineral separator according to claim 1 is characterized in that sorter is arranged above and below by two corrugated plating groups to constitute, and two groups of corrugated platings are 120 ° of angles up and down.
CN2009203050331U 2009-06-25 2009-06-25 Pulsed turbulent field fluidization mineral separator Expired - Fee Related CN201579108U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009203050331U CN201579108U (en) 2009-06-25 2009-06-25 Pulsed turbulent field fluidization mineral separator

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Application Number Priority Date Filing Date Title
CN2009203050331U CN201579108U (en) 2009-06-25 2009-06-25 Pulsed turbulent field fluidization mineral separator

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104689900A (en) * 2015-02-13 2015-06-10 中南大学 Comprehensive force field multithread gravity concentrator
CN108499863A (en) * 2018-03-16 2018-09-07 中国矿业大学 A kind of fluidization dry-type separation equipment for solid particle material sorting
CN112044587A (en) * 2020-08-25 2020-12-08 中国矿业大学 Fluidized bed dry separation equipment and method
CN112221692A (en) * 2020-10-13 2021-01-15 中煤科工集团唐山研究院有限公司 Low-grade fine-grained embedded mineral enrichment and separation device
CN113893948A (en) * 2021-09-18 2022-01-07 陈葆新 Cylindrical ore dressing jigger

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104689900A (en) * 2015-02-13 2015-06-10 中南大学 Comprehensive force field multithread gravity concentrator
CN104689900B (en) * 2015-02-13 2017-12-01 中南大学 Comprehensive field of force multithread state gravity concentrator
CN108499863A (en) * 2018-03-16 2018-09-07 中国矿业大学 A kind of fluidization dry-type separation equipment for solid particle material sorting
CN112044587A (en) * 2020-08-25 2020-12-08 中国矿业大学 Fluidized bed dry separation equipment and method
CN112044587B (en) * 2020-08-25 2021-12-10 中国矿业大学 Fluidized bed dry separation equipment and method
CN112221692A (en) * 2020-10-13 2021-01-15 中煤科工集团唐山研究院有限公司 Low-grade fine-grained embedded mineral enrichment and separation device
CN113893948A (en) * 2021-09-18 2022-01-07 陈葆新 Cylindrical ore dressing jigger
CN113893948B (en) * 2021-09-18 2023-08-15 宽城鑫泽矿业有限公司 Cylindrical ore dressing jigger

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100915

Termination date: 20150625

EXPY Termination of patent right or utility model