CN102527495B - Mineral separation process for non-metal ore - Google Patents
Mineral separation process for non-metal ore Download PDFInfo
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- CN102527495B CN102527495B CN201110084354.5A CN201110084354A CN102527495B CN 102527495 B CN102527495 B CN 102527495B CN 201110084354 A CN201110084354 A CN 201110084354A CN 102527495 B CN102527495 B CN 102527495B
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Abstract
The invention relates to a mineral separation process, in particular to a mineral separation process for non-metal ore, which comprises the following three stages: a first stage, raw ore is primarily separated to obtain primary separation ore larger than 30 meshes, and generated gangue is sent to a gangue tank; a second stage, the primary separation ore is separated in fine mode to obtain fine separation ore larger than 150 meshes, and generated gangue is sent to the gangue tank; and a third stage, the fine separation ore is concentrated to obtain refined separation ore of 150 to 1200 meshes, the refined separation ore is dewatered to form end products, and ore pulp larger than 1200 meshes is conveyed to a press filter machine to be pressed and filtered. The segmentation mineral separation process utilizes three stages for mineral separation, can separate refined ore of 150 meshes to 1200 meshes, and fully recycles gangue generated in mineral separation and ore pulp larger than 1200 meshes, thereby improving production volume of ceramic ore and having little pollution on the environment.
Description
Technical field
The present invention relates to a kind of ore-dressing technique, is mineral separation process for non-metal ore specifically.
Background technology
At present, China's non-metallic mineral resource is varied.Along with improving constantly of people's living standard, in building decoration process, ceramic is widely used, and therefore, the production technique in ceramic ore deposit more and more comes into one's own.The dresser author of China makes ceramic ore deposit ore-dressing technique and equipment have larger development through unremitting effort in recent years, and ore deposit product quality is than front improving.However, still there are some problems, as ore-dressing technique falls behind, the defect such as the feed grade of grinding operation is wide, graded operation is perfect not, cause the output in ceramic ore deposit lower, environmental pollution is more serious, thereby cause a large amount of mineral resources to run off with mine tailing, bring huge economic loss to national He Kuang factory.
Summary of the invention
For the deficiency of above-mentioned technology, problem to be solved by this invention is to provide a kind of mineral separation process for non-metal ore of segmentation ore dressing, and it is by the improvement to existing technique, improved ceramic ore deposit output, reduced environmental pollution.
The present invention is achieved in that mineral separation process for non-metal ore, comprises following three phases:
First stage: raw ore obtains being greater than the just ore dressing of 30 objects after primary election, and the mine tailing of generation is delivered to tailing pit;
Second stage: described just ore dressing obtains being greater than the thin ore dressing of 150 object after thin choosing, and the mine tailing of generation is delivered to described tailing pit;
Phase III: described thin ore dressing obtains 150 order to 1200 object ore concentrates after concentrated, forms finished product after described ore concentrate dehydration, and will be greater than 1200 object pulp conveyings to filter press and carry out press filtration, and water is separated with ore pulp.
The present invention also has following additional technical feature:
The described first stage comprises just sizing ball mill, mixer, vibratory sieve, elementary magnetic separator and secondary magnetic separator; Raw ore enters mixer after described just sizing ball mill preliminary grinding, in mixer, add clear water to stir, and the ore particle after stirring is delivered to vibratory sieve with water pump, Vibration Screen is selected and is greater than 30 object ore particles, is less than that 30 object ore particles are delivered to described just sizing ball mill and raw ore carries out ball milling again; Described being greater than after 30 object ore particles are removed mine tailing by elementary magnetic separator and secondary magnetic separator successively obtains described just ore dressing, and this first ore dressing is delivered to described second stage, and described mine tailing is delivered to tailing pit.
Described second stage comprises the first hydroseparator, and described just ore dressing is delivered to the first hydroseparator, and the thin ore pulp overflowing from the first hydroseparator top enters the first inspissator, and the rough slurry flowing out from the first hydroseparator bottom enters thin sizing ball mill, this rough slurry flows to the second hydroseparator after ball milling, and the thin ore pulp overflowing from the second hydroseparator top flows to the second inspissator, and the rough slurry flowing out from the second hydroseparator bottom is delivered to described thin sizing ball mill ball milling again, from first, the thin ore pulp that the second hydroseparator flows out is through first, after the second inspissator, first, the second inspissator is delivered to the thin liquid pulp overflowing from its top respectively the 3rd inspissator, from first, the dense ore pulp that flow out the second and the 3rd inspissator bottom enters one successively, secondary magnetic separation machine obtains being greater than the thin ore dressing of 150 object after removing mine tailing, this thin ore dressing is delivered to the phase III, from one, the described mine tailing of removing in secondary magnetic separation machine is delivered to tailing pit, the thin liquid pulp overflowing from the 3rd inspissator top is delivered to described filter press and carries out press filtration, this filter press is separated with mineral aggregate by water, and water is stored.
The described phase III comprises the 4th, the 5th, the six or three inspissator, described thin ore dressing enters after the 4th inspissator, the thin liquid pulp overflowing from its top is delivered to the 5th inspissator, the thin liquid pulp that the 5th inspissator top overflows flow to the 6th inspissator, respectively from the 4th, five, the dense ore pulp of six or three inspissator bottom outflows is 150 order to 1200 object ore concentrates, the 1200 object thin liquid pulps that are greater than that overflow from the 6th inspissator top are delivered to described filter press and carry out press filtration, this filter press is separated with mineral aggregate by water, and water is stored, described ore concentrate forms finished product after being delivered to vacuum hydroextractor dehydration.
Mineral separation process for non-metal ore provided by the invention compared with prior art tool has the following advantages: the present invention adopts the segmentation ore-dressing technique of three phases ore dressing, it can choose 150 order to 1200 object ore concentrates, and can and be greater than 1200 object ore pulps and fully recycle the mine tailing producing in ore dressing process, the output in the ceramic ore deposit of not only improving, and pollution on the environment is very little.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention;
Fig. 2 is hydraulic classifier structure figure in the present invention;
Fig. 3 is inspissator structure chart in the present invention.
The specific embodiment
Referring to Fig. 1, a kind of optimal way of the ore-dressing technique of a kind of nonmetallic ore of the present invention is shown, it comprises following three phases: the first stage: raw ore obtains being greater than the just ore dressing of 30 objects after primary election, and the mine tailing of generation is delivered to tailing pit;
Second stage: described just ore dressing obtains being greater than the thin ore dressing of 150 object after thin choosing, and the mine tailing of generation is delivered to described tailing pit;
Phase III: described thin ore dressing obtains 150 order to 1200 object ore concentrates after concentrated, forms finished product after described ore concentrate dehydration, and will be greater than 1200 object pulp conveyings to filter press and carry out press filtration.The present invention adopts the segmentation ore-dressing technique of three phases ore dressing, it can choose 150 order to 1200 object ore concentrates, and can and be greater than 1200 object ore pulps and fully recycle the mine tailing producing in ore dressing process, the output in the ceramic ore deposit of not only improving, and pollution on the environment is very little.
In the present embodiment, the described first stage comprises just sizing ball mill, mixer, vibratory sieve, elementary magnetic separator and secondary magnetic separator; Raw ore enters mixer after described just sizing ball mill preliminary grinding, add clear water in mixer after, stir, and the ore particle after stirring is delivered to high frequency shale shaker with water pump, be less than 30 object ore particles and enter successively elementary magnetic separator and secondary magnetic separator after by vibratory sieve, this group magnetic separator can be removed the mine tailings such as hornblend in ore particle, iron, and mine tailing is delivered to tailing pit recycling, this mine tailing can be made into firebrick, organic fertilizer, low-grade pottery etc. by processing; And can not be delivered to by the ore particle of vibratory sieve described just sizing ball mill, carry out again ball milling with raw ore, subsequently ore dressing at the beginning of described is delivered to second stage.This stage can be greater than 30 object ore particles by selecting the model of vibratory sieve to select.
Described second stage comprises the first hydroseparator, and described just ore dressing is delivered to the first hydroseparator, and the thin ore pulp overflowing from the first hydroseparator top enters the first inspissator, and the rough slurry flowing out from the first hydroseparator bottom enters thin sizing ball mill; This rough slurry flows to the second hydroseparator after ball milling, the thin ore pulp overflowing from the second hydroseparator top flows to the second inspissator, the rough slurry flowing out from the second hydroseparator bottom is delivered to the described thin sizing ball mill ball milling that circulates, and can greatly reduce the wasting of resources; The thin ore pulp flowing out from first, second hydroseparator is after first, second inspissator, first and second inspissator is delivered to the thin liquid pulp overflowing from its top respectively the 3rd inspissator, the dense ore pulp flowing out from first, second, and third inspissator bottom enters successively I and II magnetic separator is removed mine tailing and obtains being greater than the thin ore dressing of 150 object, this group magnetic separator is mainly except mine tailings such as de-irons, the color that makes thin ore dressing is brilliant white more, then this thin ore dressing is delivered to the phase III, mine tailing is delivered to tailing pit simultaneously.In implementation process, the fineness of the thin liquid pulp overflowing from the 3rd inspissator top is greater than 1200 orders substantially, and being therefore delivered to press filtration carries out press filtration.
Raw ore is by after above-mentioned two stages, and its concentration is lower, therefore thin ore dressing need be delivered to the phase III to concentrate, dewater.The described phase III comprises the 4th, the 5th, the 63 inspissator, described thin ore dressing enters after the 4th inspissator, the thin liquid pulp overflowing from its top is delivered to the 5th inspissator, the thin liquid pulp that the 5th inspissator top overflows flow to the 6th inspissator, and the dense ore pulp flowing out from fourth, fifth, 63 inspissator bottom is respectively 150 order to 1200 object ore concentrates.In implementation process, the ore pulp overflowing from the 6th inspissator and the 3rd inspissator top, because fineness is greater than 1200 orders substantially, all it is carried out to press filtration by filter press, in pressure-filtering process, water can be separated with mineral aggregate, the mineral aggregate obtaining can make welding rod, paint, toothpaste etc. by processing, the clear water producing in pressure-filtering process is drained to pond storage simultaneously, in the time of can stirring for the first stage, Resource Recycling Utilization like this, the present invention not only reduces environmental pollution greatly, and greatly reduces mining cost.The present invention is applicable and ceramic ore deposit not only, is also applicable to other nonmetallic ore.
The hydroseparator using in invention (as Fig. 2) comprises a cylinder device chamber 20 that holds ore pulp and vertically arrange, top, described device chamber is opened wide, for raw ore slurry, flow into thin ore pulp and overflow, top, described device chamber periphery extends outward overflow chamber 21, and overflow chamber is connected with overflow pipe; The sealing of bottom, device chamber, its bottom surface is provided with the discharge nozzle 22 flowing out for rough slurry, and discharge nozzle is provided with control valve 23, can reach the size of required overflow slurry fineness in implementation process by suitable adjusting control valve; 20 bottoms, described device chamber are provided with the water injector of the indoor ore pulp of impactor.In implementation process, when raw ore slurry flows into device chamber from the feed pipe 200 on 20 tops, device chamber, the locular wall diffusion of the backward device of ore pulp impingement baffles 24 chamber, simultaneously, current are delivered to hydroecium 27 by the translateral water inlet pipe 26 of water pump 25 of water injector, then from through hole 28, upwards impact ore pulp, under the effect of water flow pressure and ore pulp particle self gravitation, thicker ore pulp flows out through discharge nozzle 22 from central opening 29, and thinner ore pulp particle is from inflow overflow chamber, top, device chamber 21, then by overflow pipe 201, be drained to desired position.In implementation process, can pass through to regulate the water delivery pressure of water pump 25, and coordinate the opening degree that regulates discharging management and control valve 23 processed, can control the size of overflowing slurry fineness, make ore pulp reach predetermined fineness requirement.
The inspissator using in the present invention (as Fig. 3) comprises a thickening cone 30 that holds ore pulp and vertically arrange, this thickening cone bottom is formed with the discharging opening 31 that dense ore pulp flows out, described thickening cone top closure, its end face is provided with the overfall 32 overflowing for thin liquid pulp, and thickening cone upper portion side wall is provided with the charging aperture 33 flowing into for raw ore slurry; Charging aperture is connected with feed pipe 34, and the compression pump 35 of carrying raw ore slurry can be set on feed pipe.Thickening cone top is hollow cylinder, and bottom is the hollow round table affixed with cylinder, and round platform upper end diameter is greater than lower end diameter.The axis of feed pipe 34 and arrange between the tangent line of sidewall of this feed pipe position and form the angle that is less than 90 degree, that is to say that feed pipe is not vertically set on sidewall, can make like this ore pulp of 34 li of feed pipes promote ore pulp in thickening cone along the helix rotation of thickening cone, be conducive to improve the concentrated effect of ore pulp.The whole internal perisporium in thickening cone top be provided with several along ore pulp the blade 36 of the direction of rotation reversed dip in thickening cone, when the raw ore slurry in feed pipe flows to thickening cone, raw ore slurry impinges upon on blade 36, thereby by the downward drainage of raw ore slurry, can further improve concentrated effect.Thickening cone top forms sealing end face by top cover 37, top cover is provided with the overflow pipe 38 being communicated with overfall, overflow pipe is provided with valve 39, on the discharge nozzle 300 being communicated with discharging opening 31, can establish another valve 301, can effectively improve the concentration of ore pulp by reasonable adjusting two valves.When raw ore slurry is delivered to after thickening cone through feed pipe 300 by compression pump, under compression pump 35 pressure-actings, raw ore slurry flows to discharging opening along the helix of concentrated headwall, in this process, due to the effect of raw ore slurry gravity, the ore pulp that thickening cone bottom concentration is larger flows out through discharging opening 31; And concentration less ore pulp in thickening cone top overflows through the overflow pipe 38 of thickening cone end face, in the present invention, the pulp density after concentrated can reach 30% to 40%.
Above-mentioned embodiment is used for illustrative purposes only; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present invention, and scope of patent protection of the present invention should be limited by each claim.
Claims (3)
1. mineral separation process for non-metal ore, is characterized in that: comprise following three phases:
First stage: raw ore obtains being greater than the just ore dressing of 30 objects after primary election, and the mine tailing of generation is delivered to tailing pit;
Second stage: described just ore dressing obtains being greater than the thin ore dressing of 150 object after thin choosing, and the mine tailing of generation is delivered to described tailing pit;
Phase III: described thin ore dressing obtains 150 order to 1200 object ore concentrates after concentrated, forms finished product after described ore concentrate dehydration, and will be greater than 1200 object pulp conveyings to filter press and carry out press filtration;
The described phase III comprises the 4th, the 5th, the six or three inspissator, described thin ore dressing enters after the 4th inspissator, the thin liquid pulp overflowing from its top is delivered to the 5th inspissator, the thin liquid pulp that the 5th inspissator top overflows flow to the 6th inspissator, respectively from the 4th, five, the dense ore pulp of six or three inspissator bottom outflows is 150 order to 1200 object ore concentrates, the 1200 object thin liquid pulps that are greater than that overflow from the 6th inspissator top are delivered to described filter press and carry out press filtration, this filter press is separated with mineral aggregate by water, and water is stored, described ore concentrate forms finished product after being delivered to vacuum hydroextractor dehydration.
2. mineral separation process for non-metal ore according to claim 1, is characterized in that: the described first stage comprises just sizing ball mill, mixer, vibratory sieve, elementary magnetic separator and secondary magnetic separator; Raw ore enters mixer after described just sizing ball mill preliminary grinding, in mixer, add clear water to stir, and the ore particle after stirring is delivered to vibratory sieve with water pump, Vibration Screen is selected and is greater than 30 object ore particles, is less than that 30 object ore particles are delivered to described just sizing ball mill and raw ore carries out ball milling again; Described being greater than after 30 object ore particles are removed mine tailing by elementary magnetic separator and secondary magnetic separator successively obtains described just ore dressing, and this first ore dressing is delivered to described second stage, and mine tailing is delivered to tailing pit.
3. mineral separation process for non-metal ore according to claim 1, it is characterized in that: described second stage comprises the first hydroseparator, described just ore dressing is delivered to the first hydroseparator, the thin ore pulp overflowing from the first hydroseparator top enters the first inspissator, and the rough slurry flowing out from the first hydroseparator bottom enters thin sizing ball mill, this rough slurry flows to the second hydroseparator after ball milling, and the thin ore pulp overflowing from the second hydroseparator top flows to the second inspissator, and the rough slurry flowing out from the second hydroseparator bottom is delivered to described thin sizing ball mill ball milling again, the thin ore pulp flowing out from the first hydroseparator is respectively after the first inspissator, the thin ore pulp that the second hydroseparator flows out is respectively after the second inspissator, first, the second inspissator is delivered to the thin liquid pulp overflowing from its top respectively the 3rd inspissator, from first, the dense ore pulp that flow out the second and the 3rd inspissator bottom enters one successively, secondary magnetic separation machine obtains being greater than the thin ore dressing of 150 object after removing mine tailing, this thin ore dressing is delivered to the phase III, from one, the described mine tailing of removing in secondary magnetic separation machine is delivered to tailing pit, the thin liquid pulp overflowing from the 3rd inspissator top is delivered to described filter press and carries out press filtration, this filter press is separated with mineral aggregate by water, and water is stored.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110084354.5A CN102527495B (en) | 2010-12-22 | 2011-04-02 | Mineral separation process for non-metal ore |
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| CN201010599280.4 | 2010-12-22 | ||
| CN201010599280 | 2010-12-22 | ||
| CN201110084354.5A CN102527495B (en) | 2010-12-22 | 2011-04-02 | Mineral separation process for non-metal ore |
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| CN102527495A CN102527495A (en) | 2012-07-04 |
| CN102527495B true CN102527495B (en) | 2014-04-16 |
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| CN109647005B (en) * | 2019-01-11 | 2023-10-20 | 中冶焦耐(大连)工程技术有限公司 | Pre-mixing process and device for dephenolization washing pump |
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|---|---|---|---|---|
| US4144164A (en) * | 1977-09-20 | 1979-03-13 | Stamicarbon, B.V. | Process for separating mixtures of particles |
| CN101417261A (en) * | 2008-11-21 | 2009-04-29 | 中国铝业股份有限公司 | Bayer process red mud processing method |
| CN101912811A (en) * | 2010-07-15 | 2010-12-15 | 英德市奥胜新材料有限责任公司 | Method for preparing nepheline syenite powder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| AUPO944297A0 (en) * | 1997-09-25 | 1997-10-16 | Advance R & D Pty Ltd | Modular and transportable processing plant and mobile mineral process evaluation unit |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4144164A (en) * | 1977-09-20 | 1979-03-13 | Stamicarbon, B.V. | Process for separating mixtures of particles |
| CN101417261A (en) * | 2008-11-21 | 2009-04-29 | 中国铝业股份有限公司 | Bayer process red mud processing method |
| CN101912811A (en) * | 2010-07-15 | 2010-12-15 | 英德市奥胜新材料有限责任公司 | Method for preparing nepheline syenite powder |
Non-Patent Citations (2)
| Title |
|---|
| 邱汉民.龙岩某高岭土矿选矿与深加工探讨.《非金属矿》.1992,(第5期),第36-38页. |
| 龙岩某高岭土矿选矿与深加工探讨;邱汉民;《非金属矿》;19921027(第5期);第36-38页 * |
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