CN110465403B - Mineral particle sorting device of three-phase fluidized bed - Google Patents
Mineral particle sorting device of three-phase fluidized bed Download PDFInfo
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- CN110465403B CN110465403B CN201810443188.5A CN201810443188A CN110465403B CN 110465403 B CN110465403 B CN 110465403B CN 201810443188 A CN201810443188 A CN 201810443188A CN 110465403 B CN110465403 B CN 110465403B
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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
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
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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
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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Abstract
The invention provides a mineral particle sorting device of a three-phase fluidized bed, which is characterized in that: the device comprises a three-phase separation bed in a box body form, wherein the three-phase separation bed is obliquely arranged, the top surface of the three-phase separation bed is provided with a feeding port, the side surface at the lower position is provided with a water inlet, the side surface at the higher position is provided with an overflow port, and the bottom surface is provided with an air inlet and three ore discharge ports for discharging light ore particles, medium ore particles and heavy ore particles respectively; the three-phase separation bed is internally provided with a porous water distribution plate, a water inlet is communicated with a three-phase water distribution bed cavity positioned on one side of the porous water distribution plate, and a feeding port, an air inlet and a mine discharging port are communicated with the three-phase water distribution bed cavity positioned on the other side of the porous water distribution plate. The invention realizes the separation and enrichment of ore particles by utilizing the hydraulic classification gravity wet separation and gas phase coupling shallow layer separation technology, and has the advantages of simple process, easy operation, environmental protection, no pollution, small equipment volume, low energy consumption and low implementation cost.
Description
Technical Field
The invention belongs to the field of mineral separation technology and equipment, and relates to a mineral particle sorting device of a three-phase fluidized bed.
Background
Gravity separation, electromagnetic separation and flotation are combined into three traditional mineral separation processes, but any single mineral separation process cannot achieve high separation and enrichment efficiency: dry beneficiation has important significance in some arid areas and when raw materials are suitable for dry treatment; the heavy equipment and water pollution problems exist in the gravity separation; the electromagnetic separation has the problems of separation component list and the like; flotation has the problems of pesticide pollution and the like. The traditional separation device has a good separation effect on easy ore separation, but the height of the machine body is large; the technological parameters are not easy to adjust when the minerals change; when the sorting density is low, the sorting effect is poor; the adaptability to the fluctuation of the feeding material is poor; the sorting effect is susceptible to the particle size and density of the minerals. The factors restrict the application of the traditional separation device and the traditional separation process in mineral separation.
Disclosure of Invention
The invention provides a mineral particle sorting device of a three-phase fluidized bed, which aims to overcome the defects of the prior art and provide the mineral particle sorting device of the three-phase fluidized bed, which has the advantages of low cost, low energy consumption, simple structure and convenient operation and can improve the sorting effect.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a three-phase fluidized bed mineral particle sorting unit which characterized in that: the device comprises a three-phase separation bed in a box body form, wherein the three-phase separation bed is obliquely arranged, the top surface of the three-phase separation bed is provided with a feeding port, the side surface at the lower position is provided with a water inlet, the side surface at the higher position is provided with an overflow port, and the bottom surface is provided with an air inlet and three ore discharge ports for discharging light ore particles, medium ore particles and heavy ore particles respectively; the three-phase separation bed is internally provided with a porous water distribution plate, a water inlet is communicated with a three-phase water distribution bed cavity positioned on one side of the porous water distribution plate, and a feeding port, an air inlet and a mine discharging port are communicated with the three-phase water distribution bed cavity positioned on the other side of the porous water distribution plate.
The water inlet and the porous water distribution plate form a stable fluidized layer in the three-phase separation bed, multi-component mineral particles move under the combined action of gravity and water flow drag force and are separated according to density, meanwhile, stable airflow is introduced into the lower part of the three-phase separation bed through the air inlet, so that the stacked mineral particles are dispersed and floated, different acceleration and deceleration effects are obtained, particularly the mineral particles with large particle size and low density are mixed, secondary separation is obtained in the separation device, the dominant effect of density on the separation effect is strengthened, and the separation efficiency is improved.
The pan feeding mouth is the toper funnel formula, and the top of pan feeding mouth is equipped with the agitator that has the agitator, is equipped with flow control valve between agitator and the pan feeding mouth.
The overflow port is connected with a water tank B, the water tank B is provided with a slag discharge port, a water inlet is connected with a water tank A through a pipeline provided with a water pump, the water tank A is provided with a water replenishing port, and the water tank B is communicated with the water tank A and is separated by a porous filtering flat plate.
The porous filtering flat plate is made of porous materials, fine particles in the mineral processing wastewater are filtered, and the filtered water is recycled through a water pump.
An angle adjusting device is arranged at the lower part of the three-phase sorting bed, and the inclination angle of the lower surface of the three-phase sorting bed is 0-60 degrees.
The side surface of the three-phase separation bed provided with the overflow port is provided with a guide plate, and the included angle between the guide plate and the bottom surface of the three-phase separation bed ranges from 90 degrees to 120 degrees.
The guide plate plays the effect of guide ore grain flow direction and separation, and water tank B is introduced by the guide plate to ore dressing waste water, and porous filtration flat filter gets into water tank A, sends into three-phase separation bed cyclic utilization through the water pump, and lighter ore grain gets into water tank B and discharges by the row cinder notch.
And flow regulating valves are correspondingly arranged at the feeding port, the air inlet and the water inlet.
The flow regulating valve plays a role in controlling opening and closing and regulating the flow of each flow.
The air inlet is provided with a porous air distribution plate.
The porous water distribution plate and the porous air distribution plate are uniformly perforated, and the ore particles are dispersed and floated and stably positioned in different fluidized layers according to density.
The invention has the advantages that:
the invention realizes the separation and enrichment of ore particles by utilizing the hydraulic classification gravity wet separation and gas phase coupling shallow layer separation technology, and has the advantages of simple process, easy operation, environmental protection, no pollution, small equipment volume, low energy consumption and low implementation cost.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a three-phase fluidized bed mineral particle sorting device and a process method.
Figure 2 is a schematic view of the flow of mineral particles under the force of a sorting field.
In the figure: 1-stirrer, 2-stirring barrel, 3-flow regulating valve, 4-material inlet, 5-three-phase separation bed, 6-evacuation port, 7-overflow port, 8-guide plate, 9-angle regulating device, 10-air supply system, 11-water tank B, 12-slag outlet, 13-porous filtering flat plate, 14-water tank A, 15-water replenishing port, 16-porous air distribution plate, 17-ore discharge port, 18-flow regulating valve, 19-ore discharge valve, 20-air inlet, 21-water pump, 22-flow regulating valve, 23-water inlet and 24-porous water distribution plate.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor.
The structure of the invention is shown in figure 1:
the three-phase sorting bed is characterized by comprising a three-phase sorting bed 5 which is obliquely arranged and in a box form, the inclination angle of the three-phase sorting bed 5 is adjusted by an angle adjusting device arranged at the lower part of the three-phase sorting bed 5, the angle adjusting device is a lockable connecting rod 9, two ends of the connecting rod 9 are respectively hinged to an installation base surface and the lower surface of the three-phase sorting bed 5, and the inclination angle of the three-phase sorting bed 5 can be adjusted by rotating and locking the connecting rod 9. The inclination angle of the lower surface of the three-phase separation bed 5 is 0-60 degrees.
The top surface of the three-phase separation bed 5 is provided with a feeding port 5, the feeding port 5 is in a cone funnel shape, and a stirring barrel 2 with a stirrer 1 is arranged above the feeding port 5. The mixer drum 2 is also piped to a water pump 21 to feed water for mixing.
The three-phase separation bed 5 is provided with a water inlet 23 on the side surface at a low position, an overflow port 7 on the side surface at a high position, the overflow port 7 is connected with a water tank B11, a slag discharge port 12 is arranged on a water tank B11, the water inlet 23 is connected with a water tank A14 through a pipeline provided with a water pump 21, a water replenishing port 15 for replenishing water is arranged on the water tank A14, and the water tank B11 is communicated with the water tank A14 and is separated by a porous filtering flat plate 13 made of porous materials.
The side surface of the three-phase separation bed 5 provided with the overflow port 7 is provided with a guide plate 8, and the included angle range of the guide plate 8 and the bottom surface of the three-phase separation bed 5 is 90-120 degrees.
The bottom surface of the three-phase separation bed 5 is provided with an air inlet 20 and a mine discharge port 17. The air inlet 20 is connected to an air supply system 10 in the form of a fan. The air inlet 20 is provided with a porous air distribution plate 16, and the porous air distribution plate 16 is provided with holes uniformly.
The three-phase separation bed 5 is internally provided with a porous water distribution plate 24, and the porous water distribution plate 24 is uniformly provided with holes. The water inlet 23 is communicated with the cavity of the three-phase water-dividing bed 5 positioned at one side of the porous water distribution plate 24, and the feeding port 4, the air inlet 20 and the ore discharging port 17 are communicated with the cavity of the three-phase water-dividing bed 5 positioned at the other side of the porous water distribution plate 24.
The material inlet 4 is correspondingly provided with a flow regulating valve 3, the air inlet 20 is correspondingly provided with a flow regulating valve 18, the water inlet 23 is correspondingly provided with a flow regulating valve 22, and the ore discharge port 17 is correspondingly provided with an ore discharge valve 19.
In actual use, as shown in fig. 1:
firstly, water is supplemented to the water tank A14 through the water supplementing pipe and the water supplementing port 15, the water pump 21 is started after the water tank A14 is filled with water, water is pumped into the three-phase separation bed 5 through the three water inlets 23, the size of water flow entering the three-phase separation bed 5 is controlled through the flow regulating valve 22, and stable transverse water flow is formed inside the three-phase separation bed 5 under the action of the porous water distribution plate 24. The multi-component mineral particles to be separated, which are uniformly stirred by the stirrer 1 in the stirring barrel 2, enter the three-phase separation bed 5 through the feeding port 4 and pass through the flow regulating valve 3 and the cone-shaped funnel type feeding port 4 so as to reduce the influence on the stable fluidized layer during feeding.
As shown in fig. 2:
in the three-phase sorting bed 5, the multi-component mineral particles move under the combined action of gravity and water flow drag force and are sorted according to density, and light, medium and heavy mineral particles (light particles, medium particles and heavy particles) are respectively arranged in the front, middle and rear parts and the upper, middle and lower parts of the three-phase sorting bed 5 in water.
And meanwhile, the air supply system 10 is started, the generated air flow enters the three-phase separation bed 5 through the porous air distribution plate 16 arranged at the air inlet 20, stable ascending air flow vertical to the water surface is generated in the three-phase separation bed 5, different air flow velocities are adjusted through the flow adjusting valve 18, so that the accumulated mineral particles are dispersed and floated, different acceleration and deceleration effects are obtained, secondary separation is carried out in the separation device, the dominant effect of density on the separation effect is strengthened, the adverse effect of particle size on separation is reduced, and the separation efficiency is improved.
After the separation system is stable, the ore discharge valve 19 is opened, the light, medium and heavy ore particles pass through the three ore discharge ports 17 with the ore discharge valve 19, and the separated ore particles are discharged and collected.
The separated water flow enters a water tank B11 from an overflow port 7 along with a guide plate 8, a porous filtering flat plate 13 is arranged between a water tank A14 and a water tank B11, and the filtered water is continuously pumped into a feeding system and a separation bed by a water pump 21 for recycling, so that the aim of saving water resources is fulfilled. Mineral particles that enter the water tank B11 with the water flow can be discharged through the slag discharge 12 for collection.
The flapper 6 arranged on the upper surface of the three-phase separation bed 5 can be used when the three-phase separation bed 5 is cleaned and emptied.
According to the nature of different mineral particles, can adjust angle adjusting device 9, make three-phase sorting bed 5 have different gradients, like this, the contained angle of water drag force and gravity changes to light, well, heavy ore grain also can change in the distribution of the front middle rear portion and upper and lower portion of three-phase sorting bed 5, adapts to the sorting of different mineral particles.
The invention utilizes the gravity wet separation and airflow three-phase coupling interference settling separation technology to realize the separation and enrichment of mineral particles, has the characteristics of low implementation cost, simple structure, easy operation, high separation efficiency, large non-ferrous metal enrichment ratio, environmental protection, no pollution and the like compared with the prior art, and can be well applied to the field of separation and enrichment of mine non-ferrous metals.
The invention conforms to the strategic decision of national economic transformation, is novel multistage separation type mineral processing equipment, and has extremely wide development prospect.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a three-phase fluidized bed mineral particle sorting unit which characterized in that: the device comprises a three-phase separation bed in a box body form, wherein the three-phase separation bed is obliquely arranged, the top surface of the three-phase separation bed is provided with a feeding port, the side surface at the lower position is provided with a water inlet, the side surface at the higher position is provided with an overflow port, and the bottom surface is provided with an air inlet and three ore discharge ports for discharging light ore particles, medium ore particles and heavy ore particles respectively; the three-phase separation bed is internally provided with a porous water distribution plate, a water inlet is communicated with a three-phase water distribution bed cavity positioned on one side of the porous water distribution plate, and a feeding port, an air inlet and a mine discharging port are communicated with the three-phase water distribution bed cavity positioned on the other side of the porous water distribution plate.
2. The apparatus for sorting mineral particles in a three-phase fluidized bed according to claim 1, wherein: the pan feeding mouth is the toper funnel formula, and the top of pan feeding mouth is equipped with the agitator that has the agitator, is equipped with flow control valve between agitator and the pan feeding mouth.
3. The apparatus for sorting mineral particles in a three-phase fluidized bed according to claim 1, wherein: the overflow port is connected with a water tank B, the water tank B is provided with a slag discharge port, a water inlet is connected with a water tank A through a pipeline provided with a water pump, the water tank A is provided with a water replenishing port, and the water tank B is communicated with the water tank A and is separated by a porous filtering flat plate.
4. The apparatus for sorting mineral particles in a three-phase fluidized bed according to claim 1, wherein: an angle adjusting device is arranged at the lower part of the three-phase sorting bed, and the inclination angle of the lower surface of the three-phase sorting bed is 0-60 degrees.
5. The apparatus for sorting mineral particles in a three-phase fluidized bed according to claim 1, wherein: the side surface of the three-phase separation bed provided with the overflow port is provided with a guide plate, and the included angle between the guide plate and the bottom surface of the three-phase separation bed ranges from 90 degrees to 120 degrees.
6. The apparatus for sorting mineral particles in a three-phase fluidized bed according to claim 1, wherein: and flow regulating valves are correspondingly arranged at the feeding port, the air inlet and the water inlet.
7. The apparatus for sorting mineral particles in a three-phase fluidized bed according to claim 1, wherein: the air inlet is provided with a porous air distribution plate.
8. The apparatus for sorting mineral particles in a three-phase fluidized bed according to claim 7, wherein: the porous water distribution plate and the porous air distribution plate are uniformly opened.
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| CN201810443188.5A CN110465403B (en) | 2018-05-10 | 2018-05-10 | Mineral particle sorting device of three-phase fluidized bed |
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| CN201810443188.5A CN110465403B (en) | 2018-05-10 | 2018-05-10 | Mineral particle sorting device of three-phase fluidized bed |
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| CN110465403B true CN110465403B (en) | 2021-09-07 |
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| CN111871590B (en) * | 2020-06-19 | 2023-07-25 | 四川轻化工大学 | Excitation type mineral sorting system and sorting method thereof |
| CN112246421A (en) * | 2020-10-15 | 2021-01-22 | 中国石油化工股份有限公司 | Device and method for rapidly screening low-density plugging adjusting balls |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008021346A1 (en) * | 2008-03-26 | 2009-10-01 | Akw Apparate + Verfahren Gmbh | Separating light materials involves feeding air flow via several isolated chambers under air distribution plate to achieve homogeneous flow and air distribution optimized to achieve desired layering |
| CN107233995A (en) * | 2017-07-12 | 2017-10-10 | 六盘水师范学院 | It is a kind of that bed dry coal dressing machine is fluidized from medium gas-particle two-phase based on bed point plate |
| CN107876204A (en) * | 2017-11-10 | 2018-04-06 | 四川理工学院 | A kind of manifold type multi-stage separation ore-sorting system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085810A (en) * | 1964-05-06 | 1967-10-04 | Nat Res Dev | Gravity separation of particulate material |
| CN101767053B (en) * | 2010-01-19 | 2013-09-11 | 黄宝双 | Dual-action composite water and air hybrid concentrating machine |
| CN203830122U (en) * | 2014-05-28 | 2014-09-17 | 赛博瑞特（北京）技术发展有限公司 | Separating bed of mineral separator |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008021346A1 (en) * | 2008-03-26 | 2009-10-01 | Akw Apparate + Verfahren Gmbh | Separating light materials involves feeding air flow via several isolated chambers under air distribution plate to achieve homogeneous flow and air distribution optimized to achieve desired layering |
| CN107233995A (en) * | 2017-07-12 | 2017-10-10 | 六盘水师范学院 | It is a kind of that bed dry coal dressing machine is fluidized from medium gas-particle two-phase based on bed point plate |
| CN107876204A (en) * | 2017-11-10 | 2018-04-06 | 四川理工学院 | A kind of manifold type multi-stage separation ore-sorting system and method |
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