阅读说明：本技术 一种激振式矿物分选系统及其分选方法 (Excitation type mineral sorting system and sorting method thereof ) 是由 谢君科 曾涛 柳忠彬 于 2020-06-19 设计创作，主要内容包括：本发明公开了一种激振式矿物分选系统及其分选方法,解决现有技术无法高效地对多密度矿物进行分选富集的技术问题。激振式矿物分选系统包括选矿装置、流化床、矿物分选装置、选矿水箱和空气压缩机。分选方法包括以下步骤：步骤1、启动第一水泵和空气压缩机,同时关闭精矿出口,选矿水箱内选矿水进入选矿装置；步骤2、当选矿水从尾矿出口处溢出后,启动搅拌电机,同时开启进矿口并启动激振电机,进矿口为选矿装置内输送待分选矿物,高密度精矿即可在相应精矿富集区内富集。本发明结构简单,可高效地对多密度矿物进行分选富集,同时还具有设备制作成本低、对环境友好无污染的特点,其适用于不同组分不同密度矿物的分选与富集。(The invention discloses an excitation type mineral sorting system and a sorting method thereof, and solves the technical problem that multi-density minerals cannot be efficiently sorted and enriched in the prior art. The excitation type mineral separation system comprises a mineral separation device, a fluidized bed, a mineral separation device, a mineral separation water tank and an air compressor. The sorting method comprises the following steps: step 1, starting a first water pump and an air compressor, closing a concentrate outlet, and enabling mineral separation water in a mineral separation water tank to enter a mineral separation device; and 2, after mineral water overflows from the tailing outlet, starting a stirring motor, simultaneously starting a mineral inlet and starting an excitation motor, wherein the mineral inlet conveys minerals to be sorted in the mineral separation device, and high-density concentrate can be enriched in a corresponding concentrate enrichment area. The multi-density mineral separation and enrichment device is simple in structure, can efficiently separate and enrich multi-density minerals, has the characteristics of low equipment manufacturing cost, environmental friendliness and no pollution, and is suitable for separating and enriching different-component and different-density minerals.)

1. An excitation type mineral separation system is characterized by comprising a mineral separation device (53) for performing primary separation on minerals to remove tailings in the minerals, a fluidized bed (54) arranged in the mineral separation device (53) for performing secondary separation on the rest minerals to obtain high-density minerals, and a mineral separation device (55) connected out of the mineral separation device (53) and used for performing concentration on the high-density minerals to perform separation and enrichment on the minerals with different densities in the high-density minerals; the beneficiation device (53) is connected with a beneficiation water tank (1) for providing beneficiation water for the beneficiation device, and the fluidized bed (54) is connected with an air compressor (29).

2. An excitation type mineral separation system according to claim 1, characterized in that the mineral separation device (53) comprises a first mineral separation tank (44), a second mineral separation tank (12) connected from the first mineral separation tank (44), and a third mineral separation tank (16) connected from the second mineral separation tank (12), the fluidized bed (54) is positioned in the third mineral separation tank (16), the mineral separation water tank (1) is connected to the first mineral separation tank (44), and the first mineral separation tank (44) is provided with a mineral inlet (47) and a mineral separation mechanism; preferably, the bottom of the mineral separation device (53) is provided with a mineral separation device support (23), and the mineral separation device (53) is fixed on the ground through the mineral separation device support (23).

3. An excitation mineral separation system according to claim 2 wherein a mineral collection chamber (57), a first concentrating chamber (34) and a first mineral return chamber (58) are provided in the first concentrating box (44), the mineral collection chamber (57) and the first mineral return chamber (58) are arranged on either side of the first concentrating chamber (34), and the concentrating mechanism is located in the first concentrating chamber (34); preferably, a second beneficiation tank water inlet (33) is communicated between the mineral collecting chamber (57) and the second beneficiation tank (12); preferably, a first beneficiation chamber water inlet (39) is communicated between the first beneficiation chamber (34) and the second beneficiation tank (12); preferably, a first backwater water inlet (11) is communicated between the first mineral backwater chamber (58) and the second mineral dressing tank (12); preferably, a return pipe (9) is communicated between the first beneficiation chamber (34) and the first mineral return chamber (58).

4. An excited mineral separation system according to claim 3, wherein the concentrating means includes a mineral separating ring (35) provided on the inner wall of the first concentrating chamber (34), a mineral separating outlet (37) provided on the mineral separating ring (35) and communicating with the mineral collecting chamber (57), and drive means for driving the mineral water in the first concentrating chamber (34) to rotate centrifugally; preferably, the ore dressing mechanism further comprises an air separation mechanism, the air separation mechanism comprises an air separation air inlet (36) formed in a partition plate between the mineral collection chamber (57) and the first ore dressing chamber (34), and an air inlet channel (32) communicated with the air separation air inlet (36), an air channel air inlet valve (31) is arranged on the air inlet channel (32), and the air inlet channel (32) is connected with the air compressor (29) through a pipeline; preferably, the driving mechanism comprises a stirring motor (5) arranged on the first mineral processing tank (44), a stirring motor gearbox (6) connected with the stirring motor (5), an upper stirring shaft (7) positioned in the first mineral processing chamber (34) and connected with the stirring motor gearbox (6), and an upper stirring paddle (8) arranged on the upper stirring shaft (7).

5. An excitation type mineral separation system according to claim 4, characterized in that a mineral water feeding chamber (59), a second mineral separation chamber (14) and a second mineral return flow chamber (60) are arranged in the second mineral separation box (12), the mineral water feeding chamber (59) and the second mineral return flow chamber (60) are respectively arranged at two sides of the second mineral separation chamber (14), mineral water flowing micropores for enabling mineral water in the mineral water feeding chamber (59) to enter the second mineral separation chamber (14) are distributed on a partition plate between the mineral water feeding chamber (59) and the second mineral separation chamber (14), and a secondary driving mechanism is arranged in the second mineral separation chamber (14); preferably, the second beneficiation tank water inlet (33) is communicated between the mineral water feeding chamber (59) and the mineral collecting chamber (57); preferably, the first concentrating chamber water inlet (39) is communicated between the second concentrating chamber (14) and the first concentrating chamber (34); preferably, the first mineral return water inlet (11) communicates between the first mineral return chamber (58) and the second mineral return chamber (60); preferably, the secondary driving mechanism comprises a lower stirring shaft (51) which is positioned in the second concentrating chamber (14) and is connected with the upper stirring shaft (7) through a rotating bearing (38), and a lower stirring paddle (42) which is arranged on the lower stirring shaft (51).

6. An excitation type mineral separation system according to claim 5, wherein an ore collection chamber (40) and a third mineral return chamber (61) are arranged in the third ore dressing tank (16), the ore collection chamber (40) is respectively communicated with the second ore dressing chamber (14) and the fluidized bed (54), a fluidized bed outlet (50) is communicated between the fluidized bed (54) and the third mineral return chamber (61), and a second return water inlet (15) is communicated between the third mineral return chamber (61) and the second mineral return chamber (60); preferably, the fluidized bed (54) comprises a plurality of fluidized bed partition plates (45) equidistantly distributed in the third mineral separation box (16) and a vibration excitation mechanism arranged below the fluidized bed partition plates (45), a fluidized bed ore inlet (49) is formed between adjacent fluidized bed partition plates (45) positioned below the ore collection chamber (40), ore water in the ore collection chamber (40) directly enters the fluidized bed ore inlet (49), an ore material circulation port (48) is formed in each fluidized bed partition plate (45), a fluidized bed outlet (50) is positioned at the tail end of the fluidized bed, a fluidized bed high-density mineral sinking channel (52) is formed between each vibration excitation mechanism and each fluidized bed partition plate (45), a concentrate outlet (46) matched with the mineral separation device (55) is formed in the third mineral separation box, and the concentrate outlet (46) is positioned at the tail end of the fluidized bed high-density mineral sinking channel (52); preferably, the excitation mechanism comprises an excitation plate (24) and an excitation motor (30) arranged on the excitation plate (24), and the top surface of the excitation plate (24) is the bottom surface of the fluidized bed high-density mineral sinking channel (52); preferably, an air distribution plate (25) is assembled on the excitation plate (24), and the air distribution plate (25) is connected with an air compressor (29) through an air inlet pipeline (28); preferably, the air distribution plate (25) is connected with an air inlet pipeline (28) through a plurality of branch pipes, and air inlet valves (26) of the air distribution plate are arranged on the branch pipes; preferably, the air inlet pipeline (28) is provided with an air three-way valve (27), one outlet of the air three-way valve (27) is connected with the branch pipe through a pipeline, and the other outlet of the air three-way valve is connected with the air inlet channel (32) through a pipeline.

7. An excitation type mineral separation system according to claim 3, wherein the mineral separation device (55) comprises a mineral separation box (62), a concentrate enrichment chamber (63) arranged in the mineral separation box (62), a tailing collection chamber (20) arranged in the mineral separation box (62), and a separation water collection chamber (21) arranged in the mineral separation box (62), a filter plate (18) is arranged in the mineral separation box (62), the separation water collection chamber (21) is separated from the concentrate enrichment chamber (63) and the tailing collection chamber (20) through the filter plate (18), a plurality of mineral separation partition plates (17) are arranged in the concentrate enrichment chamber (63), and a concentrate enrichment area for enriching concentrates with similar densities is formed between adjacent mineral separation partition plates (17); preferably, a tailing outlet (10) is arranged on the first mineral separation chamber (34), a tailing inlet (19) is arranged on the tailing collection chamber (20), and a water pipe (13) is communicated between the tailing outlet (10) and the tailing inlet (19); preferably, the separated water collecting chamber (21) is provided with a separated water collecting chamber water outlet (22), the mineral separation water tank (1) is provided with a mineral separation water tank water inlet (43), and a water conveying pipe (64) is communicated between the separated water collecting chamber water outlet (22) and the mineral separation water tank water inlet (43); preferably, the water conveying pipe (64) is provided with a second water pump (41).

8. An excitation type mineral separation system according to claim 3, characterized in that the mineral separation water tank (1) is provided with a mineral separation water tank water outlet (2), the first mineral separation tank (44) is provided with a water inlet (4), and a first water delivery pipe (56) is connected between the mineral separation water tank water outlet (2) and the water inlet (4); preferably, a first water pump (3) is arranged on the first water conveying pipe (56); preferably, the water inlet (4) is communicated to the first concentrating chamber (34); preferably, the ore inlet (47) is communicated to the first concentrating chamber (34).

9. The method of any one of claims 1 to 8, comprising the steps of:

step 1, starting a first water pump and an air compressor, closing a concentrate outlet, and enabling mineral separation water in a mineral separation water tank to enter a mineral separation device;

and 2, after mineral water overflows from the tailing outlet, starting a stirring motor, simultaneously starting a mineral inlet and starting an excitation motor, wherein the mineral inlet conveys minerals to be sorted in the mineral separation device, and high-density concentrate can be enriched in a corresponding concentrate enrichment area.

10. The separation method of claim 9, wherein in step 2, the mineral to be separated firstly enters a first separation chamber, under the action of centrifugal force generated by the operation of an upper stirring paddle, medium-high density mineral and low-density mineral are separated centrifugally, low-density tailings enter a tailing collection chamber through a tailing outlet, a water pipe and a tailing inlet in sequence, medium-high density mineral enters a second separation chamber through a mineral separation outlet, a mineral collection chamber, a water inlet of a second separation tank and mineral water flowing micropores in sequence, medium-high density mineral in the second separation chamber enters the first separation chamber through the water inlet of the first separation chamber for circular separation under the action of a lower stirring paddle, high-density mineral sinks to the collection chamber along the inner wall of the second separation chamber and enters a fluidized bed through a fluidized bed inlet, an excitation motor drives an excitation plate to be excited, and an air distribution plate distributes air under the action of an air compressor, non-concentrate in the high-density minerals in the fluidized bed sequentially enters a third mineral backflow chamber through a mineral flow port and a fluidized bed outlet, and then sequentially enters a first ore dressing chamber through a second backflow water inlet, a second mineral backflow chamber, a first backflow water inlet, a first mineral backflow chamber and a backflow pipe for circular sorting, concentrate in the high-density minerals in the fluidized bed runs to a concentrate outlet along a fluidized bed high-density mineral sinking channel to be discharged, concentrate discharged from the concentrate outlet is sequentially enriched in corresponding concentrate enrichment regions of the concentrate enrichment chamber according to the density of the concentrate, and the density of the enriched concentrate in the concentrate enrichment region closer to the concentrate outlet is higher; preferably, the mineral separation water in the concentrate enrichment chamber and the tailing collecting chamber enters the separation water collecting chamber through the filter plate to be collected and purified, and the purified water enters the mineral separation water tank through the water conveying pipe under the use of the second water pump to realize the recycling of the mineral separation water.

Technical Field

The invention belongs to the technical field of multi-density mineral separation, and particularly relates to an excitation type mineral separation system and a separation method thereof.

Background

Traditional mineral separation is usually carried out by adopting single traditional processes such as a chemical flotation reagent method, a supergravity method and a magnetic separation method, the reagent flotation is not environment-friendly, the pollution is large, supergravity equipment is heavy and is only effective for high-density minerals, the magnetic separation method utilizes the difference of magnetism among the minerals to select in an uneven magnetic field, and the mineral separation variety is single. In conclusion, the traditional mineral separation has the defects of high separation difficulty, high cost and environmental friendliness, and the separation and enrichment of multi-density minerals are difficult to carry out efficiently.

Therefore, designing an excitation type mineral sorting system and a sorting method thereof to efficiently sort and enrich multi-density minerals becomes a technical problem to be solved by those skilled in the art.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the excitation type mineral separation system and the separation method thereof are provided, and the technical problem that the prior art cannot efficiently separate and enrich multi-density minerals is solved.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

an excitation type mineral separation system comprises a mineral separation device, a fluidized bed and a mineral separation device, wherein the mineral separation device is used for primarily separating minerals to remove tailings in the minerals, the fluidized bed is arranged in the mineral separation device and is used for secondarily separating the remaining minerals to obtain high-density minerals, and the mineral separation device is connected out of the mineral separation device and is used for finely separating the high-density minerals to separate and enrich the minerals with different densities; the ore dressing device is connected with an ore dressing water tank for providing ore dressing water for the ore dressing device, and the fluidized bed is connected with an air compressor.

The ore dressing device comprises a first ore dressing box, a second ore dressing box connected out of the first ore dressing box, and a third ore dressing box connected out of the second ore dressing box, wherein the fluidized bed is positioned in the third ore dressing box, the ore dressing water box is connected to the first ore dressing box, and an ore inlet and an ore dressing mechanism are arranged on the first ore dressing box; preferably, the bottom of the mineral separation device is provided with a mineral separation device support, and the mineral separation device is fixed on the ground through the mineral separation device support.

Furthermore, a mineral collecting chamber, a first mineral separation chamber and a first mineral return-flow chamber are arranged in the first mineral separation box, the mineral collecting chamber and the first mineral return-flow chamber are respectively arranged on two sides of the first mineral separation chamber, and the mineral separation mechanism is positioned in the first mineral separation chamber; preferably, a second beneficiation tank water inlet is communicated between the mineral collection chamber and the second beneficiation tank; preferably, a first beneficiation chamber water inlet is communicated between the first beneficiation chamber and the second beneficiation tank; preferably, a first backwater water inlet is communicated between the first mineral backwater chamber and the second mineral dressing tank; preferably, a return pipe is communicated between the first beneficiation chamber and the first mineral return chamber.

The ore dressing mechanism comprises a mineral separation ring arranged on the inner wall of the first ore dressing chamber, a mineral separation outlet arranged on the mineral separation ring and communicated to the mineral collection chamber, and a driving mechanism used for driving mineral water in the first ore dressing chamber to rotate centrifugally; preferably, the ore dressing mechanism further comprises an air separation mechanism, the air separation mechanism comprises an air separation air inlet formed in a partition plate between the mineral collection chamber and the first ore dressing chamber and an air inlet channel communicated with the air separation air inlet, the air inlet channel is provided with an air channel air inlet valve, and the air inlet channel is connected with an air compressor through a pipeline; preferably, the driving mechanism comprises a stirring motor arranged on the first mineral processing tank, a stirring motor gearbox connected with the stirring motor, an upper stirring shaft positioned in the first mineral processing chamber and connected with the stirring motor gearbox, and an upper stirring paddle arranged on the upper stirring shaft.

Furthermore, a mineral water feeding chamber, a second mineral separation chamber and a second mineral backflow chamber are arranged in the second mineral separation box, the mineral water feeding chamber and the second mineral backflow chamber are respectively arranged on two sides of the second mineral separation chamber, mineral water flowing micropores enabling mineral water in the mineral water feeding chamber to enter the second mineral separation chamber are distributed on a partition plate between the mineral water feeding chamber and the second mineral separation chamber, and a secondary driving mechanism is arranged in the second mineral separation chamber; preferably, the water inlet of the second mineral processing tank is communicated between the mineral water feeding chamber and the mineral collecting chamber; preferably, the water inlet of the first beneficiation chamber is communicated between the second beneficiation chamber and the first beneficiation chamber; preferably, the first mineral water return inlet is communicated between the first mineral water return chamber and the second mineral water return chamber; preferably, the secondary driving mechanism comprises a lower stirring shaft which is positioned in the second beneficiation chamber and is connected with the upper stirring shaft through a rotating bearing, and a lower stirring paddle which is arranged on the lower stirring shaft.

Furthermore, an ore collection chamber and a third mineral reflux chamber are arranged in the third mineral separation tank, the ore collection chamber is respectively communicated with the second mineral separation chamber and the fluidized bed, a fluidized bed outlet is communicated between the fluidized bed and the third mineral reflux chamber, and a second reflux water inlet is communicated between the third mineral reflux chamber and the second mineral reflux chamber; preferably, the fluidized bed comprises a plurality of fluidized bed partition plates which are equidistantly distributed in the third mineral separation box and an excitation mechanism which is arranged below the fluidized bed partition plates, a fluidized bed ore inlet is formed between adjacent fluidized bed partition plates which are positioned below the ore collection chamber, mineral water in the ore collection chamber directly enters the fluidized bed ore inlet, an ore material circulation port is formed in each fluidized bed partition plate, a fluidized bed outlet is positioned at the tail end of the fluidized bed, a fluidized bed high-density mineral sinking channel is arranged between each excitation mechanism and each fluidized bed partition plate, a concentrate outlet matched with the mineral separation device is formed in the third mineral separation box, and the concentrate outlet is positioned at the tail end of the fluidized bed high-density mineral sinking; preferably, the excitation mechanism comprises an excitation plate and an excitation motor arranged on the excitation plate, and the top surface of the excitation plate is the bottom surface of the fluidized bed high-density mineral sinking channel; preferably, the excitation plate is provided with an air distribution plate, and the air distribution plate is connected with the air compressor through an air inlet pipeline; preferably, the air distribution plate is connected with the air inlet pipeline through a plurality of branch pipes, and air inlet valves of the air distribution plate are arranged on the branch pipes; preferably, the air inlet pipeline is provided with a gas three-way valve, one outlet of the gas three-way valve is connected with the branch pipe through a pipeline, and the other outlet of the gas three-way valve is connected with the air inlet channel through a pipeline.

Furthermore, the mineral separation device comprises a mineral separation box, a concentrate enrichment chamber arranged in the mineral separation box, a tailing collection chamber arranged in the mineral separation box, and a separation water collection chamber arranged in the mineral separation box, wherein a filter plate is arranged in the mineral separation box, the separation water collection chamber is respectively separated from the concentrate enrichment chamber and the tailing collection chamber through the filter plate, a plurality of mineral separation partition plates are arranged in the concentrate enrichment chamber, and a concentrate enrichment area for enriching concentrates with similar densities is formed between the adjacent mineral separation partition plates; preferably, a tailing outlet is arranged on the first ore dressing chamber, a tailing inlet is arranged on the tailing collecting chamber, and a water pipe is communicated between the tailing outlet and the tailing inlet; preferably, the separated water collecting chamber is provided with a water outlet of the separated water collecting chamber, the mineral separation water tank is provided with a water inlet of the mineral separation water tank, and a water conveying pipe is communicated between the water outlet of the separated water collecting chamber and the water inlet of the mineral separation water tank; preferably, the water conveying pipe is provided with a second water pump.

Furthermore, the mineral separation water tank is provided with a mineral separation water tank water outlet, the first mineral separation tank is provided with a water inlet, and a first water conveying pipe is connected between the mineral separation water tank water outlet and the water inlet; preferably, a first water pump is arranged on the first water delivery pipe; preferably, the water inlet is communicated to the first ore dressing chamber; preferably, the ore inlet is communicated to the first ore dressing chamber.

A sorting method of an excitation type mineral sorting system comprises the following steps:

step 1, starting a first water pump and an air compressor, closing a concentrate outlet, and enabling mineral separation water in a mineral separation water tank to enter a mineral separation device;

and 2, after mineral water overflows from the tailing outlet, starting a stirring motor, simultaneously starting a mineral inlet and starting an excitation motor, wherein the mineral inlet conveys minerals to be sorted in the mineral separation device, and high-density concentrate can be enriched in a corresponding concentrate enrichment area.

Further, in the step 2, the mineral to be separated firstly enters a first mineral separation chamber, under the action of centrifugal force generated by operation of an upper stirring paddle, medium-high density mineral and low-density mineral are centrifugally separated, low-density tailings sequentially enter a tailing collection chamber through a tailing outlet, a water pipe and a tailing inlet, the medium-high density mineral sequentially enters a second mineral separation chamber through a mineral separation outlet, a mineral collection chamber, a second mineral separation tank water inlet and mineral water flowing micropores, the medium-high density mineral in the second mineral separation chamber enters the first mineral separation chamber through the first mineral separation chamber water inlet for circular separation, the high-density mineral sinks to the mineral collection chamber along the inner wall of the second mineral separation chamber and then enters a fluidized bed through a fluidized bed ore inlet, an excitation motor drives an excitation plate to excite vibration, an air distribution plate distributes air under the action of an air compressor, and non-concentrate in the high-density mineral in the fluidized bed sequentially enters a third mineral return through a mineral flow port and a fluidized bed outlet The flow chamber sequentially enters the first ore dressing chamber through the second backflow water inlet, the second mineral backflow chamber, the first backflow water inlet, the first mineral backflow chamber and the backflow pipe to be circularly sorted, concentrate in high-density minerals in the fluidized bed runs to a concentrate outlet along a high-density mineral sinking channel of the fluidized bed to be discharged, the concentrate discharged from the concentrate outlet is sequentially enriched in corresponding concentrate enrichment areas of the concentrate enrichment chamber according to the density of the concentrate, and the density of the enriched concentrate in the concentrate enrichment area closer to the concentrate outlet is higher; preferably, the mineral separation water in the concentrate enrichment chamber and the tailing collecting chamber enters the separation water collecting chamber through the filter plate to be collected and purified, and the purified water enters the mineral separation water tank through the water conveying pipe under the use of the second water pump to realize the recycling of the mineral separation water

Compared with the prior art, the invention has the following beneficial effects:

the multi-density mineral separation and enrichment device is simple in structure, scientific and reasonable in design and convenient to use, can efficiently separate and enrich multi-density minerals, has the characteristics of low equipment manufacturing cost, environmental friendliness and no pollution, and is suitable for separating and enriching different-component and different-density minerals.

When the excitation type mineral separation system is used, a first water pump and an air compressor are started firstly, mineral separation water in a mineral separation water tank is sent into a water inlet, a concentrate outlet is closed at the moment, after the mineral separation water is filled in a mineral separation device and overflows from a tailing outlet, a stirring motor is started, the stirring motor drives an upper stirring paddle to rotate, centrifugal force is generated under the rotation of the water, the separated minerals are sent into a first mineral separation chamber of the first mineral separation tank through a mineral inlet at the moment, high-density minerals and low-density minerals are centrifugally separated in the first mineral separation chamber of the first mineral separation tank under the drive of the upper stirring paddle, the high-density minerals separated for the first time enter a mineral separation ring and the inner wall of the first mineral separation chamber, gas fluidizes and separates the minerals at the position through a wind separation air inlet again, and the retained high-density minerals enter a mineral collection chamber in the mineral separation device through a mineral separation outlet, at the moment, the mineral enters a mineral water feeding chamber through a water inlet of a second mineral separation tank and enters a second mineral separation chamber through mineral water flowing micropores, the mineral entering the second mineral separation chamber is subjected to secondary centrifugal separation of mineral particles under the action of a lower stirring paddle, high-density minerals sink along the inner wall surface of the second mineral separation chamber, tailings and low-density minerals enter a first mineral separation chamber through a water inlet of the first mineral separation chamber for centrifugal separation so as to be circularly separated, the tailings separated in the first mineral separation chamber are discharged through a tailings outlet, the high-density minerals sink along the inner wall of the second mineral separation chamber enter a mineral collection chamber and enter a space between partition plates of a fluidized bed through a fluidized bed ore inlet along the inner wall of the second mineral separation chamber, meanwhile, gas in an air compressor enters an air distribution plate through a gas three-way valve and an air distribution plate air inlet valve, the gas in the air distribution plate enters the partition plates of the fluidized bed, and the gas in the, the high-density minerals sink, the medium-density and low-density minerals are suspended under the action of air flow and flow into the next fluidized bed partition plate from the mineral flow port of the fluidized bed partition plate under the drive of water flow, the high-density minerals in the fluidized bed partition plate sink into the fluidized bed high-density mineral sinking channel, the high-density minerals in each fluidized bed partition plate flow out through the fluidized bed high-density mineral sinking channel at the bottom until being discharged through a concentrate outlet, the medium-density and low-density minerals flowing out from the mineral flow port of the fluidized bed partition plate enter a third mineral return chamber, then enter a second mineral return chamber through the fluidized bed outlet, then enter a first mineral return chamber through a first return water inlet, and then return the minerals to the first mineral separation chamber through a return pipe for circular separation, so that the secondary separation from the centrifugal separation to the gas separation of the minerals and then the centrifugal separation are formed, separating by fluidized bed fluidization effect, returning the medium and low density minerals to the first mineral reflux chamber to form mineral circulating separation, feeding the high density minerals discharged from the concentrate outlet of the fluidized bed into the concentrate enrichment chamber of the mineral separation device, under rivers and gravity field effect, the component separation enrichment is realized again according to different density characteristics to the high density mineral realization, the concentrate density that is close to the concentrate export in the concentrate enrichment room is big, the concentrate density of keeping away from the concentrate export is little, from left to right the mineral density reduces the distribution in proper order, the separation of mineral and mineral separation water is realized through the filter to the mineral that gets into in the concentrate enrichment room, filterable water gets into the separation water collecting chamber, the water through purifying is discharged through the separation water collecting chamber delivery port of separation water collecting chamber bottom, start the second water pump with the water transport in the separation water collecting chamber in the mineral separation water tank, realize the purification and the cyclic utilization of mineral separation water.

Drawings

Fig. 1 is a schematic structural diagram of an excitation type mineral sorting system of the present invention.

Fig. 2 is a partially enlarged view of an ore separating ring in the exciting mineral sorting system according to the present invention.

Fig. 3 is an enlarged view of a portion of the fluidized bed in the excited mineral separation system of the present invention.

Wherein, the names corresponding to the reference numbers are:

1-a mineral separation water tank, 2-a mineral separation water tank water outlet, 3-a first water pump, 4-a water inlet, 5-a stirring motor, 6-a stirring motor gearbox, 7-an upper stirring shaft, 8-an upper stirring paddle, 9-a return pipe, 10-a tailing outlet, 11-a first return water inlet, 12-a second mineral separation tank, 13-a water pipe, 14-a second mineral separation chamber, 15-a second return water inlet, 16-a third mineral separation tank, 17-a mineral separation baffle, 18-a filter plate, 19-a tailing inlet, 20-a tailing collection chamber, 21-a separated water collection chamber, 22-a separated water collection chamber water outlet, 23-a mineral separation device support, 24-an excitation plate, 25-an air distribution plate, 26-an air distribution plate air inlet valve, 27-a gas three-way valve, 28-an air inlet pipeline, 29-an air compressor, 30-a vibration excitation motor, 31-an air flue air inlet valve, 32-an air inlet channel, 33-a second beneficiation box water inlet, 34-a first beneficiation chamber, 35-a mineral separation ring, 36-an air separation air inlet, 37-a mineral separation outlet, 38-a rotating bearing, 39-a first beneficiation chamber water inlet, 40-an ore collection chamber, 41-a second water pump, 42-a lower stirring paddle, 43-a beneficiation water tank water inlet, 44-a first beneficiation tank, 45-a fluidized bed clapboard, 46-a concentrate outlet, 47-an ore inlet, 48-a mineral flow port, 49-a fluidized bed ore inlet, 50-a fluidized bed outlet, 51-a lower stirring shaft, 52-a fluidized bed high-density mineral sinking channel, 53-a beneficiation device, 54-a fluidized bed, 55-a mineral separation device, 56-a first water conveying pipe, 57-a mineral collection chamber, 58-a first mineral reflux chamber, 59-a mineral water feeding chamber, 60-a second mineral reflux chamber, 61-a third mineral reflux chamber, 62-a mineral separation box, 63-a concentrate enrichment chamber and 64-a water conveying pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus, it should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; of course, mechanical connection and electrical connection are also possible; alternatively, they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 3, the present invention provides an excitation type mineral separation system, which comprises a beneficiation device 53 for primarily separating minerals to remove tailings in the minerals, a fluidized bed 54 arranged in the beneficiation device 53 for re-separating the remaining minerals to obtain high-density minerals, and a mineral separation device 55 connected from the beneficiation device 53 for concentrating the high-density minerals to separate and enrich minerals with different densities; the beneficiation plant 53 is connected with a beneficiation water tank 1 for supplying beneficiation water thereto, and the fluidized bed 54 is connected with an air compressor 29. The beneficiation device 53 comprises a first beneficiation tank 44, a second beneficiation tank 12 connected out of the first beneficiation tank 44, and a third beneficiation tank 16 connected out of the second beneficiation tank 12, a fluidized bed 54 is located in the third beneficiation tank 16, the beneficiation water tank 1 is connected to the first beneficiation tank 44, and an ore inlet 47 and a beneficiation mechanism are arranged on the first beneficiation tank 44; preferably, the bottom of the beneficiation device 53 is provided with a beneficiation device support 23, and the beneficiation device 53 is fixed on the ground through the beneficiation device support 23.

A mineral collecting chamber 57, a first mineral processing chamber 34 and a first mineral return chamber 58 are arranged in the first mineral processing box 44, the mineral collecting chamber 57 and the first mineral return chamber 58 are respectively arranged on two sides of the first mineral processing chamber 34, and a mineral processing mechanism is positioned in the first mineral processing chamber 34; preferably, a second beneficiation tank water inlet 33 is communicated between the mineral collection chamber 57 and the second beneficiation tank 12; preferably, a first beneficiation chamber water inlet 39 is communicated between the first beneficiation chamber 34 and the second beneficiation tank 12; preferably, a first backwater water inlet 11 is communicated between the first mineral return chamber 58 and the second mineral processing tank 12; preferably, a return pipe 9 is communicated between the first concentrating chamber 34 and the first mineral return chamber 58. The beneficiation water tank 1 is provided with a water outlet 2 of the beneficiation water tank, the first beneficiation tank 44 is provided with a water inlet 4, and a first water conveying pipe 56 is connected between the water outlet 2 and the water inlet 4 of the beneficiation water tank; preferably, the first water delivery pipe 56 is provided with a first water pump 3; preferably, the water inlet 4 is connected to the first concentrating compartment 34; preferably, the mineral inlet 47 is connected to the first concentrating compartment 34.

The mineral separation mechanism comprises a mineral separation ring 35 arranged on the inner wall of the first mineral separation chamber 34, a mineral separation outlet 37 arranged on the mineral separation ring 35 and communicated to the mineral collection chamber 57, and a driving mechanism for driving mineral water in the first mineral separation chamber 34 to rotate centrifugally; preferably, the ore dressing mechanism further comprises an air separation mechanism, the air separation mechanism comprises an air separation air inlet 36 arranged on a partition plate between the mineral collection chamber 57 and the first ore dressing chamber 34, and an air inlet channel 32 communicated with the air separation air inlet 36, the air inlet channel 32 is provided with an air channel air inlet valve 31, and the air inlet channel 32 is connected with the air compressor 29 through a pipeline; preferably, the driving mechanism comprises a stirring motor 5 arranged on the first beneficiation tank 44, a stirring motor gearbox 6 connected with the stirring motor 5, an upper stirring shaft 7 positioned in the first beneficiation chamber 34 and connected with the stirring motor gearbox 6, and an upper stirring paddle 8 arranged on the upper stirring shaft 7.

A mineral water feeding chamber 59, a second mineral separation chamber 14 and a second mineral return chamber 60 are arranged in the second mineral separation tank 12, the mineral water feeding chamber 59 and the second mineral return chamber 60 are respectively arranged at two sides of the second mineral separation chamber 14, mineral water flowing micropores for enabling mineral water in the mineral water feeding chamber 59 to enter the second mineral separation chamber 14 are distributed on a partition plate between the mineral water feeding chamber 59 and the second mineral separation chamber 14, and a secondary driving mechanism is arranged in the second mineral separation chamber 14; preferably, the second beneficiation tank water inlet 33 is communicated between the mineral water feeding chamber 59 and the mineral collecting chamber 57; preferably, the first concentrating chamber water inlet 39 is communicated between the second concentrating chamber 14 and the first concentrating chamber 34; preferably, the first mineral return water inlet 11 communicates between the first mineral return chamber 58 and the second mineral return chamber 60; preferably, the secondary driving mechanism comprises a lower stirring shaft 51 which is positioned in the second concentrating chamber 14 and is connected with the upper stirring shaft 7 through a rotating bearing 38, and a lower stirring paddle 42 which is arranged on the lower stirring shaft 51.

An ore collection chamber 40 and a third mineral return chamber 61 are arranged in the third beneficiation tank 16, the ore collection chamber 40 is respectively communicated with the second beneficiation chamber 14 and the fluidized bed 54, a fluidized bed outlet 50 is communicated between the fluidized bed 54 and the third mineral return chamber 61, and a second return water inlet 15 is communicated between the third mineral return chamber 61 and the second mineral return chamber 60; preferably, the fluidized bed 54 comprises a plurality of fluidized bed partition plates 45 equidistantly distributed in the third mineral separation tank 16 and an excitation mechanism arranged below the fluidized bed partition plates 45, a fluidized bed ore inlet 49 is formed between adjacent fluidized bed partition plates 45 positioned below the ore collection chamber 40, ore water in the ore collection chamber 40 directly enters the fluidized bed ore inlet 49, an ore material flow port 48 is formed in each fluidized bed partition plate 45, a fluidized bed outlet 50 is positioned at the tail end of the fluidized bed, a fluidized bed high-density mineral sinking channel 52 is arranged between each excitation mechanism and each fluidized bed partition plate 45, a concentrate outlet 46 matched with the mineral separation device 55 is formed in the third mineral separation tank, and the concentrate outlet 46 is positioned at the tail end of the fluidized bed high-density mineral sinking channel 52; preferably, the excitation mechanism comprises an excitation plate 24 and an excitation motor 30 arranged on the excitation plate 24, and the top surface of the excitation plate 24 is the bottom surface of the fluidized bed high-density mineral sinking channel 52; preferably, the excitation plate 24 is provided with an air distribution plate 25, and the air distribution plate 25 is connected with an air compressor 29 through an air inlet pipeline 28; preferably, the air distribution plate 25 is connected with an air inlet pipeline 28 through a plurality of branch pipes, and air distribution plate air inlet valves 26 are arranged on the branch pipes; preferably, the air inlet pipe 28 is provided with a gas three-way valve 27, one outlet of the gas three-way valve 27 is connected with the branch pipe through a pipe, and the other outlet is connected with the air inlet channel 32 through a pipe.

The mineral separation device 55 comprises a mineral separation box 62, a concentrate enrichment chamber 63 arranged in the mineral separation box 62, a tailing collection chamber 20 arranged in the mineral separation box 62 and a separated water collection chamber 21 arranged in the mineral separation box 62, wherein a filter plate 18 is arranged in the mineral separation box 62, the separated water collection chamber 21 is respectively separated from the concentrate enrichment chamber 63 and the tailing collection chamber 20 through the filter plate 18, a plurality of mineral separation partition plates 17 are arranged in the concentrate enrichment chamber 63, and a concentrate enrichment area for enriching concentrates with similar densities is formed between the adjacent mineral separation partition plates 17; preferably, a tailing outlet 10 is arranged on the first mineral separation chamber 34, a tailing inlet 19 is arranged on the tailing collection chamber 20, and a water pipe 13 is communicated between the tailing outlet 10 and the tailing inlet 19; preferably, the separated water collecting chamber 21 is provided with a separated water collecting chamber water outlet 22, the mineral separation water tank 1 is provided with a mineral separation water tank water inlet 43, and a water conveying pipe 64 is communicated between the separated water collecting chamber water outlet 22 and the mineral separation water tank water inlet 43; preferably, the water pipe 64 is provided with a second water pump 41.

When the excitation type mineral separation system is used, a first water pump and an air compressor are started firstly, mineral separation water in a mineral separation water tank is sent into a water inlet, a concentrate outlet is closed at the moment, after the mineral separation water is filled in a mineral separation device and overflows from a tailing outlet, a stirring motor is started, the stirring motor drives an upper stirring paddle to rotate, centrifugal force is generated under the rotation of the water, the separated minerals are sent into a first mineral separation chamber of the first mineral separation tank through a mineral inlet at the moment, high-density minerals and low-density minerals are centrifugally separated in the first mineral separation chamber of the first mineral separation tank under the drive of the upper stirring paddle, the high-density minerals separated for the first time enter a mineral separation ring and the inner wall of the first mineral separation chamber, gas fluidizes and separates the minerals at the position through a wind separation air inlet again, and the retained high-density minerals enter a mineral collection chamber in the mineral separation device through a mineral separation outlet, at the moment, the mineral enters a mineral water feeding chamber through a water inlet of a second mineral separation tank and enters a second mineral separation chamber through mineral water flowing micropores, the mineral entering the second mineral separation chamber is subjected to secondary centrifugal separation of mineral particles under the action of a lower stirring paddle, high-density minerals sink along the inner wall surface of the second mineral separation chamber, tailings and low-density minerals enter a first mineral separation chamber through a water inlet of the first mineral separation chamber for centrifugal separation so as to be circularly separated, the tailings separated in the first mineral separation chamber are discharged through a tailings outlet, the high-density minerals sink along the inner wall of the second mineral separation chamber enter a mineral collection chamber and enter a space between partition plates of a fluidized bed through a fluidized bed ore inlet along the inner wall of the second mineral separation chamber, meanwhile, gas in an air compressor enters an air distribution plate through a gas three-way valve and an air distribution plate air inlet valve, the gas in the air distribution plate enters the partition plates of the fluidized bed, and the gas in the, the high-density minerals sink, the medium-density and low-density minerals are suspended under the action of air flow and flow into the next fluidized bed partition plate from the mineral flow port of the fluidized bed partition plate under the drive of water flow, the high-density minerals in the fluidized bed partition plate sink into the fluidized bed high-density mineral sinking channel, the high-density minerals in each fluidized bed partition plate flow out through the fluidized bed high-density mineral sinking channel at the bottom until being discharged through a concentrate outlet, the medium-density and low-density minerals flowing out from the mineral flow port of the fluidized bed partition plate enter a third mineral return chamber, then enter a second mineral return chamber through the fluidized bed outlet, then enter a first mineral return chamber through a first return water inlet, and then return the minerals to the first mineral separation chamber through a return pipe for circular separation, so that the secondary separation from the centrifugal separation to the gas separation of the minerals and then the centrifugal separation are formed, separating by fluidized bed fluidization effect, returning the medium and low density minerals to the first mineral reflux chamber to form mineral circulating separation, feeding the high density minerals discharged from the concentrate outlet of the fluidized bed into the concentrate enrichment chamber of the mineral separation device, under rivers and gravity field effect, the component separation enrichment is realized again according to different density characteristics to the high density mineral realization, the concentrate density that is close to the concentrate export in the concentrate enrichment room is big, the concentrate density of keeping away from the concentrate export is little, from left to right the mineral density reduces the distribution in proper order, the separation of mineral and mineral separation water is realized through the filter to the mineral that gets into in the concentrate enrichment room, filterable water gets into the separation water collecting chamber, the water through purifying is discharged through the separation water collecting chamber delivery port of separation water collecting chamber bottom, start the second water pump with the water transport in the separation water collecting chamber in the mineral separation water tank, realize the purification and the cyclic utilization of mineral separation water.

The invention is characterized in that the positions of a first beneficiation chamber water inlet 39, a second beneficiation tank water inlet 33, a first return water inlet 11, a second return water inlet 15 and a fluidized bed outlet 50 are all provided with one-way valves, so that water and minerals can only flow in one direction, and the water and minerals are prevented from flowing reversely.

The invention provides a sorting method of an excitation type mineral sorting system, which comprises the following steps:

step 1, starting a first water pump and an air compressor, closing a concentrate outlet, and enabling mineral separation water in a mineral separation water tank to enter a mineral separation device;

and 2, after mineral water overflows from the tailing outlet, starting a stirring motor, simultaneously starting a mineral inlet and starting an excitation motor, wherein the mineral inlet conveys minerals to be sorted in the mineral separation device, and high-density concentrate can be enriched in a corresponding concentrate enrichment area.

In the step 2, the mineral to be separated firstly enters a first ore dressing chamber, under the action of centrifugal force generated by the operation of an upper stirring paddle, medium and low density minerals are separated centrifugally, the low density tailings enter a tailing collecting chamber through a tailing outlet, a water pipe and a tailing inlet in sequence, the medium and high density minerals enter a second ore dressing chamber through a mineral separating outlet, a mineral collecting chamber, a water inlet of a second ore dressing box and mineral water flowing micropores in sequence, the medium and high density minerals in the second ore dressing chamber enter the first ore dressing chamber through the water inlet of the first ore dressing chamber for circular separation under the action of a lower stirring paddle, the high density minerals sink to an ore collecting chamber along the inner wall of the second ore dressing chamber and enter a fluidized bed through an ore inlet of the fluidized bed, an excitation motor drives an excitation plate to excite vibration, an air distribution plate distributes air under the action of an air compressor, non-concentrate in the high density minerals in the fluidized bed enters a third mineral return chamber through a mineral flow and a fluidized bed outlet in sequence, the concentrate in the high-density minerals in the fluidized bed runs to a concentrate outlet along a high-density mineral sinking channel of the fluidized bed and is discharged outside, the concentrate discharged from the concentrate outlet is sequentially enriched in corresponding concentrate enrichment areas of the concentrate enrichment chamber according to the density of the concentrate, and the density of the enriched concentrate in the concentrate enrichment area closer to the concentrate outlet is higher; preferably, the mineral separation water in the concentrate enrichment chamber and the tailing collecting chamber enters the separation water collecting chamber through the filter plate to be collected and purified, and the purified water enters the mineral separation water tank through the water conveying pipe under the use of the second water pump to realize the recycling of the mineral separation water.

The multi-density mineral separation and enrichment device is simple in structure, scientific and reasonable in design and convenient to use, can efficiently separate and enrich multi-density minerals, has the characteristics of low equipment manufacturing cost, environmental friendliness and no pollution, and is suitable for separating and enriching different-component and different-density minerals. The invention provides a novel mineral separation and enrichment method and process for separation of multi-density minerals, which have the characteristics of high separation and enrichment efficiency, simple structure, low use cost, environmental protection and no pollution, can realize separation and enrichment of minerals with different densities, have strong practicability and are suitable for great popularization and application in the technical field.

Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and certainly not to limit the patent scope of the present invention; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems to be solved by the present invention, which are not substantially changed or supplemented by the spirit and the concept of the main body of the present invention, are still consistent with the present invention and shall be included in the scope of the present invention; in addition, the technical scheme of the invention is directly or indirectly applied to other related technical fields, and the technical scheme is included in the patent protection scope of the invention.