CN106622631A - Desliming device and method for high-slime zinc oxide ore - Google Patents
Desliming device and method for high-slime zinc oxide ore Download PDFInfo
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- CN106622631A CN106622631A CN201610957850.XA CN201610957850A CN106622631A CN 106622631 A CN106622631 A CN 106622631A CN 201610957850 A CN201610957850 A CN 201610957850A CN 106622631 A CN106622631 A CN 106622631A
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- cell body
- zinc oxide
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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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/62—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
- B03B5/66—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type of the hindered settling type
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Abstract
The invention relates to a desliming device and method for high-slime zinc oxide ore. Due to the specific gravity difference between zinc oxide ore and gangue impurities, by adjusting the pulp density and addition amount of a dispersing agent, designing the reasonable desliming device and the like, after treated high-slime zinc oxide ore pulp flows through the desliming device, zinc oxide concentrate is attached to the surface of gold suction felt in the desliming device, and gangue and other fine particle impurities are discharged along with flowing water, so that ore and slime separation is realized. The desliming device and method are used for treating high-slime zinc oxide ore, the grade of zinc concentrate can reach 40% or above, and meanwhile the zinc recovery rate can reach 90% or above. The desliming device further has the advantages of being simple in structure, low in production cost, convenient to control and capable of realizing industrial application easily.
Description
Technical field
The present invention relates to the apparatus and method of ore deposit desliming, and in particular to a kind of high mud zinc oxide ore desliming device and method,
Belong to Pb-Zn deposits recovery technology field.
Background technology
China's zinc oxide ore resource is a lot, and metallic zinc reserves are more than 40,000,000 tons, but ore beneficiation feasibility is widely different,
There is the more difficult choosing of ore in many mineral deposits, develop them and remain a difficult problem, need in light of the circumstances, it is careful to carry out
Experimental study.Sort the conventional beneficiation method of zinc oxide ore and remain flotation.After conventional method for floating mainly vulcanizes
Use amine collector collecting.With amine method Flotation of Zinc Oxide ore, compare taboo sludge.But due to zinc oxide ore physical property it is crisp, often
It is in the embedding cloth of superfine particle with other mineral or gangue, and containing substantial amounts of primary slime, and grinding operation can also produce secondary slime.
Due to the impact of sludge, increase reagent consumption, and reduce selectivity, hinder the flotation of coarse grain mineral.One ton of original of flotation at present
Ore reagent cost is 50～100 yuan, and sludge content is bigger, and reagent cost is higher.Therefore, the ore very high for clay content
The problem for first having to solution is exactly the problem of desliming, and so ensuing beneficiation research work is just meaningful.Domestic and international zinc oxide
Flotation mill's great majority are all to deviate from sludge in advance.
The method of desliming is various in industrial production, frequently with have single desliming bucket, spiral classifier, spiral chute,
Hydrocyclone, cone classifier, shaking table and flotation etc., or certain two kinds, several combine.Zinc oxide ore commonly uses desliming side
Method is shaking table desliming, hydrocyclone desliming and flotation desliming.In general, desliming is carried out using shaking table, it is good with effect, easily
Control and the advantage such as simple.But table concentration zinc recovery is 80% or so, still has nearly 20% zinc metal loss in sludge.
Hydrocyclone desliming effect and device-dependent, thin mud particle is thinner, it is desirable to which concentrate port of export diameter is less, but equipment easily occurs
Blocking, is not easily cleaned.Compared with shaking table desliming, metal recovery rate can improve several percentage points to flotation desliming, but floatation process adds
Adding medicine can produce impact to follow-up zinc flotation operation.Current Desliming method has that the rate of recovery is low, and equipment is wayward etc. asks
Topic.
The content of the invention
It is an object of the invention to provide a kind of high mud zinc oxide ore desliming device, it reclaims zinc oxide efficiency high, and structure
Simply, low production cost, is easy to control, easily realizes industrial applications.
It is a further object of the present invention to provide a kind of high mud zinc oxide ore Desliming method, the method makes full use of zinc oxide ore
Proportion is bigger than gangue thin mud, by adding dispersant (sodium metasilicate, sodium carbonate, calgon：0.5～5%) in mineral table
Face adsorb, increase the elecrtonegativity of mineral surfaces, make various mineral partly due to electrostatic repulsion it is mutually exclusive and point
Scatter and, while also the harmful metal ion on valuable mineral surface is complexed and metal ion is desorbed with zinc oxide ore, oxygen
The Zeta-potential for changing zinc ore is more negative.Ore pulp after interacting with dispersant is dispersed under flow distribution plate and ore pulp retention plate effect
Flow into rough surface, sufficiently long suction gold blanket；When flowing through suction gold blanket, dispersant is acted on ore pulp continuation, makes thin mud and zinc oxide
Ore deposit is sufficiently separated under frictional resistance effect, and zinc oxide ore is attached to the golden blanket surface of suction, and thin mud is drained with flowing water, realizes zinc oxide
Ore deposit is separated with thin mud.
A kind of high mud zinc oxide ore desliming device of the present invention, including cell body, the side opening of the cell body one；Positioned at the cell body
It is interior to be fixed with ore pulp retention plate away from described cell body open side one end, the ore pulp retention plate bottom and the cell body bottom it
Between leave gap, on cell body away from described cell body open side one end closed side and the ore pulp retain plate between be provided with shunting
Plate, positioned at cell body top the golden blanket fixed mount of suction is provided with, and the suction gold blanket fixed mount bottom is fixed with the golden blanket of suction, the groove
Body top is disposed with running water spray head.
Further, the flow distribution plate is fixed on the ore pulp retention plate.
Further, the gold blanket fixed mount of inhaling is located between ore pulp retention plate and the cell body open side.
Further, the cell body is made up of plank, and board surface has certain roughness.
Further, the flow distribution plate is made up of multiple height with the cell body identical plank, and between each plank
Spacing is equal.
Further, the ore pulp retention top of the plate portion flushes with cell body top, and the ore pulp retains plate bottom and institute
It is 2cm to state distance between cell body bottom.
Further, described to inhale golden blanket fixed mount be rectangle shelf of the one end with handle, four of rectangle shelf
Corner is provided with roundel, and for fixed golden blanket is inhaled.
Further, the handle is fixedly connected with automation equipment, being capable of the automatic turning length by automation equipment
Square shelf, pours out the zinc concentrate for inhaling attachment in golden blanket, realizes that zinc concentrate is separated with silt.
Further, the gold blanket of inhaling is general short flannel woollen blanket or viscous gold grass, inhales gold blanket and is covered in the cell body bottom surface
With two sides.
A kind of high mud zinc oxide ore Desliming method, comprises the steps：
1) by arbitrary in the sodium metasilicate of ore pulp weight 0.5%～5%, sodium carbonate or calgon or combination, with high mud
Carry out ball milling after zinc oxide ore mixing, granularity reach -74 microns account for 70%～80% after, adjustment pulp density to 20%～
40%, carry out desliming into cell body；
2) ore pulp is entered after cell body, and dispersed inflow inhales golden blanket, adjustment tank under flow distribution plate and ore pulp retention plate effect
Body gradient is 20 °～30 °, makes ore pulp with certain flow rate and slowly flows across the golden blanket of suction；Running water spray head above cell body is with one
Constant current speed increases fluidity of slurry to golden blanket surface sprinkling running water is inhaled, and thin mud is drained with flowing water, heavy zinc oxide essence
Ore deposit is attached to the golden blanket surface of suction；
3) zinc oxide concentrate for inhaling golden blanket surface attachment is reached after saturation, is manually or automatically lifted the golden blanket of suction and is fixed
Frame, the concentrate of the inside the concentrate hopper on side is poured into, and originally water flushing device is follow-up continuous uses.
Compared with prior art, it is an advantage of the current invention that：
1) adding dispersant can make the gangue thin mud for being attached to zinc oxide ore surface spread out, it is ensured that zinc oxide ore can be
Inhale and be sufficiently separated with thin mud particle in golden blanket；
2) plank is adopted for cell body, can be fully contacted with golden blanket is inhaled, do not leave space；Using the golden blanket surface roughness of suction,
Increase ore pulp frictional resistance, makes thin mud be sufficiently separated under frictional resistance effect with zinc oxide ore, while extending ore pulp is inhaling gold
The action time on blanket surface, ore is fully acted on dispersant, further realize the separation of thin mud；
3) desliming is carried out using the device, Zn content can be improved to more than 40%, and the rate of recovery is higher than 90%, with technique letter
Single, the rate of recovery is big, low cost, the advantage such as equipment is easily controllable.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below by to be used needed for embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of high mud zinc oxide ore desliming apparatus structure schematic diagram of the present invention；
Fig. 2 is trough body structure schematic diagram of the present invention；
Fig. 3 is ore pulp retention plate of the present invention and flow distribution plate combining structure schematic diagram；
Fig. 4 is that the present invention inhales golden blanket fixed rack structure schematic diagram.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
The embodiment of the present invention one, as shown in Figures 1 to 4, a kind of high mud zinc oxide ore desliming device, including cell body 1, cell body
1 is rectangle, and the side seal of the cell body 1 three is closed, a side opening；It is solid away from the open side one end of the cell body 1 in the cell body 1
Surely ore pulp retention plate 6 is provided with, gap is left between the ore pulp retention bottom of plate 6 and the bottom of cell body 1, away from the open side of the cell body 1
Flow distribution plate 2 is provided between the closed side of one end and ore pulp retention plate 6, and flow distribution plate 2 is fixed on ore pulp retention plate 6, positioned at groove
Retain at the top of body 1 and positioned at ore pulp and the golden blanket fixed mount 4 of suction is provided between plate 6 and the open side of the cell body 1, the gold blanket of inhaling is fixed
The bottom of frame 4 is fixed with the golden blanket 5 of suction, and the top of the cell body 1 is disposed with running water spray head 3.
Cell body 1 is made up of plank, and board surface has certain roughness, is conducive to inhaling golden blanket 5 and frictionally secures with cell body 1.
Flow distribution plate 2 is made up of multiple height with the identical plank of cell body 1, and the spacing between each plank is equal.
The top of ore pulp retention plate 6 flushes with the top of the cell body 1, between the ore pulp retention bottom of plate 6 and the bottom of the cell body 1
Distance is 2cm.
Flow distribution plate 2 is used to be further separated into the ore pulp of cell body 1, makes ore pulp retain the lower end of plate 6 by ore pulp and uniformly flows into suction gold
Blanket 5.
Inhale golden blanket fixed mount 4 to be made up of steel, it is rectangle shelf of the one end with handle, four of rectangle shelf
Corner is provided with roundel, and for fixed golden blanket 5 is inhaled；Handle can be fixedly connected with automation equipment, by automation equipment
Can the automatic turning rectangle shelf, the zinc concentrate for inhaling attachment in golden blanket 5 is poured out, realize zinc concentrate and silt point
From.
It is general short flannel woollen blanket to inhale golden blanket 5, inhales golden blanket 5 and is covered in the bottom surface of cell body 1 and two sides, its Main Function
It is, using coarse suction gold blanket 5 surface, to increase the frictional resistance of ore pulp, extends ore pulp in the time of staying for inhaling the golden surface of blanket 5,
Zinc oxide ore is set to be separated in the time that there is abundance on the golden surface of blanket 5 of suction with gangue mineral；It is furnished with certainly on the golden top of blanket 5 of suction simultaneously
Water spray head 3, for cleaning sludge and increasing fluidity of slurry.
A kind of high mud zinc oxide ore Desliming method, comprises the steps：
1) ball milling is carried out after the calgon of ore pulp weight 0.5% is mixed with high mud zinc oxide ore, granularity reaches -74
After micron accounts for 70%, adjustment pulp density carries out desliming to 20% into cell body；
2) ore pulp is entered after cell body, and dispersed inflow inhales golden blanket, adjustment tank under flow distribution plate and ore pulp retention plate effect
Body gradient is 20 °, makes ore pulp with certain flow rate and slowly flows across the golden blanket of suction；Running water spray head above cell body is with certain flow rate
To golden blanket surface sprinkling running water is inhaled, increase fluidity of slurry, thin mud is drained with flowing water, heavy zinc oxide concentrate attachment
In the golden blanket surface of suction；
3) zinc oxide concentrate for inhaling golden blanket surface attachment is reached after saturation, is manually or automatically lifted the golden blanket of suction and is fixed
Frame, the concentrate of the inside the concentrate hopper on side is poured into, and originally water flushing device is follow-up continuous uses.
Zn content is 25% in tcrude ore, and after process above desliming, Zinc in Zinc Concentrates content is 41.12%, and zinc is returned
Yield is 91.32%.
The embodiment of the present invention two, is viscous gold grass from golden blanket 5 unlike embodiment one, is inhaled.
A kind of high mud zinc oxide ore Desliming method, comprises the steps：
1) ball milling is carried out after the sodium metasilicate of ore pulp weight 1.5% is mixed with high mud zinc oxide ore, granularity reaches -74 microns
After accounting for 80%, adjustment pulp density carries out desliming to 35% into cell body；
2) ore pulp is entered after cell body, and dispersed inflow inhales golden blanket, adjustment tank under flow distribution plate and ore pulp retention plate effect
Body gradient is 30 °, makes ore pulp with certain flow rate and slowly flows across the golden blanket of suction；Running water spray head above cell body is with certain flow rate
To golden blanket surface sprinkling running water is inhaled, increase fluidity of slurry, thin mud is drained with flowing water, heavy zinc oxide concentrate attachment
In the golden blanket surface of suction；
3) zinc oxide concentrate for inhaling golden blanket surface attachment is reached after saturation, is manually or automatically lifted the golden blanket of suction and is fixed
Frame, the concentrate of the inside the concentrate hopper on side is poured into, and originally water flushing device is follow-up continuous uses.
Zn content is 25% in tcrude ore, and after process above desliming, Zinc in Zinc Concentrates content is 44.00%, and zinc is returned
Yield is 92.02%.
The embodiment of the present invention three, and unlike embodiment one,
A kind of simple high mud zinc oxide ore Desliming method, comprises the steps：
1) ball milling is carried out after the sodium carbonate of ore pulp weight 2.5% is mixed with high mud zinc oxide ore, granularity reaches -74 microns
After accounting for 75%, adjustment pulp density carries out desliming to 30% into cell body；
2) ore pulp is entered after cell body, and dispersed inflow inhales golden blanket, adjustment tank under flow distribution plate and ore pulp retention plate effect
Body gradient is 25 °, makes ore pulp with certain flow rate and slowly flows across the golden blanket of suction；Running water spray head above cell body is with certain flow rate
To golden blanket surface sprinkling running water is inhaled, increase fluidity of slurry, thin mud is drained with flowing water, heavy zinc oxide concentrate attachment
In the golden blanket surface of suction.
3) zinc oxide concentrate for inhaling golden blanket surface attachment is reached after saturation, is manually or automatically lifted the golden blanket of suction and is fixed
Frame, the concentrate of the inside the concentrate hopper on side is poured into, and originally water flushing device is follow-up continuous uses.
Zn content is 25% in tcrude ore, and after process above desliming, Zinc in Zinc Concentrates content is 40.00%, and zinc is returned
Yield is 90.02%.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent or improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of high mud zinc oxide ore desliming device, it is characterised in that including cell body, the side opening of the cell body one；Positioned at described
Ore pulp retention plate, the ore pulp retention plate bottom and the cell body bottom are fixed with cell body away from described cell body open side one end
Gap is left between portion, on cell body away from described cell body open side one end closed side and the ore pulp retain and be provided with point between plate
Stream plate, positioned at cell body top the golden blanket fixed mount of suction is provided with, and the suction gold blanket fixed mount bottom is fixed with the golden blanket of suction, described
Cell body top is disposed with running water spray head.
2. a kind of high mud zinc oxide ore desliming device as claimed in claim 1, it is characterised in that the flow distribution plate is fixed on institute
State on ore pulp retention plate.
3. a kind of high mud zinc oxide ore desliming device as claimed in claim 1, it is characterised in that the suction gold blanket fixed mount position
Retain between plate and the cell body open side in the ore pulp.
4. a kind of high mud zinc oxide ore desliming device as claimed in claim 1, it is characterised in that the cell body is by plank system
Into board surface has certain roughness.
5. a kind of high mud zinc oxide ore desliming device as claimed in claim 1, it is characterised in that the flow distribution plate is by multiple high
Degree and cell body identical plank composition, and the spacing between each plank is equal.
6. a kind of high mud zinc oxide ore desliming device as claimed in claim 1, it is characterised in that the ore pulp retention top of the plate portion
Flush with cell body top, distance is 2cm between the ore pulp retention plate bottom and the cell body bottom.
7. a kind of high mud zinc oxide ore desliming device as claimed in claim 1, it is characterised in that the suction gold blanket fixed mount is
Rectangle shelf of the one end with handle, four corners of rectangle shelf are provided with roundel, and for fixed golden blanket is inhaled.
8. a kind of high mud zinc oxide ore desliming device as claimed in claim 7, it is characterised in that the handle and automatically makeup
Put and be fixedly connected, by automation equipment can the automatic turning rectangle shelf, pour out the zinc concentrate that adheres in golden blanket is inhaled
Come, realize that zinc concentrate is separated with silt.
9. a kind of high mud zinc oxide ore desliming device as claimed in claim 1, it is characterised in that the suction gold blanket is general
Short flannel woollen blanket or viscous gold grass, inhale golden blanket and are covered in the cell body bottom surface and two sides.
10. a kind of high mud zinc oxide ore Desliming method, it is characterised in that comprise the steps：
1) by arbitrary in the sodium metasilicate of ore pulp weight 0.5%～5%, sodium carbonate or calgon or combination, with the oxidation of high mud
Carry out ball milling after zinc ore mixing, granularity reach -74 microns account for 70%～80% after, adjustment pulp density enters to 20%～40%
Entering cell body carries out desliming；
2) ore pulp is entered after cell body, and dispersed inflow inhales golden blanket under flow distribution plate and ore pulp retention plate effect, and adjustment cell body inclines
Gradient is 20 °～30 °, makes ore pulp with certain flow rate and slowly flows across the golden blanket of suction；Running water spray head above cell body is with a constant current
Speed increases fluidity of slurry to golden blanket surface sprinkling running water is inhaled, and thin mud is drained with flowing water, and heavy zinc oxide concentrate is attached
Blanket surface golden in suction；
3) zinc oxide concentrate for inhaling golden blanket surface attachment is reached after saturation, manually or automatically lifts the golden blanket fixed mount of suction,
The concentrate of the inside pours the concentrate hopper on side into, and originally water flushing device is follow-up continuous uses.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957850.XA CN106622631B (en) | 2016-11-03 | 2016-11-03 | A kind of high mud zinc oxide ore desliming device and method |
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|---|---|---|---|
| CN201610957850.XA CN106622631B (en) | 2016-11-03 | 2016-11-03 | A kind of high mud zinc oxide ore desliming device and method |
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| CN106622631A true CN106622631A (en) | 2017-05-10 |
| CN106622631B CN106622631B (en) | 2019-10-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2531351A1 (en) * | 1982-06-30 | 1984-02-10 | Husson Daniel | Device for washing sand which retains heavy materials and machine using this device. |
| CN1039975A (en) * | 1988-07-31 | 1990-02-28 | 李建利 | Hydraulic peristaltic feeding leg for panning |
| CN200939397Y (en) * | 2006-08-28 | 2007-08-29 | 喻炳高 | Felt absorbing concentrating machine |
| WO2009041930A1 (en) * | 2007-09-24 | 2009-04-02 | Oleksii Eduardovich Chertilin | Strake for extraction of heavy minerals from pulp |
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| CN106622631B (en) | 2019-10-18 |
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Effective date of registration: 20211231 Address after: 518000 c717, 7th floor, Tsinghua University Research Institute, No. 019, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Xiaohe Environmental Protection Technology Co.,Ltd. Address before: 518057 Shenzhen Qinghua University Research Institute c717, Gaoxin South 7th Road, Nanshan Science Park, Shenzhen City, Guangdong Province Patentee before: RESEARCH INSTITUTE OF TSINGHUA University IN SHENZHEN |