CN112844797A - Dense medium separator and separation system - Google Patents
Dense medium separator and separation system Download PDFInfo
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- CN112844797A CN112844797A CN202110190533.0A CN202110190533A CN112844797A CN 112844797 A CN112844797 A CN 112844797A CN 202110190533 A CN202110190533 A CN 202110190533A CN 112844797 A CN112844797 A CN 112844797A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
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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
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
- B03B2011/006—Scraper dischargers
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Abstract
The invention provides a dense medium separator and a separation system, and relates to the technical field of material separation equipment. The dense medium separator comprises a tank body, a water injection mechanism and a discharge mechanism; a feeding port and a sorting liquid inlet are formed in one side of the tank body, a first discharging port is formed in the other side of the tank body, and the sorting liquid guided from the sorting liquid inlet conveys the floating materials to the first discharging port in a horizontal flow mode in the tank body; the bottom of the tank body is provided with a water injection mechanism which is used for injecting ascending water flow into the tank body; one end of the tank body is provided with a second discharge hole, and a discharge mechanism is arranged in the tank body and used for conveying the sinking material to the second discharge hole. The application provides a dense medium sorter has simplified the complete machine structure, has reduced the quantity of sorting solution.
Description
Technical Field
The invention relates to the technical field of material sorting equipment, in particular to a dense medium sorting machine and a sorting system.
Background
The dense medium separator is a device for separating coal by using gravity, the existing dense medium separator has a double-groove structure, and suspension liquid with high density and low density is used for separation.
However, the dense medium separator with the double-groove structure has a complex structure, and suspension liquid with high density and low density is used, so that the suspension liquid consumption is high, and the coal separation cost is increased.
Disclosure of Invention
In order to overcome the defects in the prior art, the application provides the dense medium separator and the separation system, which are used for solving the problems that the dense medium separator with a double-groove structure is complex in structure and large in suspension liquid consumption in the prior art.
In order to achieve the above object, in a first aspect, the present application provides a dense medium separator, including a tank, a water injection mechanism, and a discharge mechanism;
a feeding port and a sorting liquid inlet are formed in one side of the tank body, and a first discharging port is formed in the other side of the tank body, wherein the feeding port is used for guiding materials to be sorted into the tank body, the sorting liquid inlet is used for guiding sorting liquid into the tank body, and the sorting liquid conveys floating materials to the first discharging port in the tank body in a horizontal flow mode;
the bottom of the tank body is provided with the water injection mechanism, and the water injection mechanism is used for injecting ascending water flow into the tank body;
one end of the tank body is provided with a second discharge hole, the tank body is internally provided with a discharge mechanism, and the discharge mechanism is used for conveying sunken materials to the second discharge hole.
With reference to the first aspect, in one possible embodiment, the discharging mechanism includes a first transmission assembly and a driving assembly;
the first transmission assembly comprises a first transmission chain and first scraping plates arranged on the first transmission chain, and the first scraping plates are distributed along the circumferential direction of the first transmission chain;
the driving assembly is used for driving the first transmission chain to drive the scraper to move.
With reference to the first aspect, in one possible implementation manner, the tank body is divided into a first separation area and a second separation area along the horizontal flow direction of the separation liquid; wherein the flow rate of the ascending water flow of the first separation zone is greater than the flow rate of the ascending water flow of the second separation zone.
With reference to the first aspect, in a possible implementation manner, the bottom of the tank body is provided with a plurality of water injection ports, each of the water injection ports is connected with the water injection mechanism, and the water injection speed of the water injection port gradually decreases along the horizontal flow direction of the separation liquid.
With reference to the first aspect, in one possible implementation manner, the tank body is divided into a first separation area and a second separation area along the horizontal flow direction of the separation liquid; and the water injection speed of the water injection port positioned in the first separation area is greater than that of the water injection port positioned in the second separation area.
With reference to the first aspect, in one possible embodiment, the discharging mechanism includes a driving assembly, and a first transmission assembly and a second transmission assembly distributed along the horizontal flow direction of the sorting liquid;
the first transmission assembly comprises a first transmission chain and first scraping plates arranged on the first transmission chain, and the first scraping plates are distributed along the circumferential direction of the first transmission chain;
the second transmission assembly comprises a second transmission chain and second scraping plates arranged on the second transmission chain, and the second scraping plates are distributed along the circumferential direction of the second transmission chain;
the driving assembly is used for synchronously driving the first transmission chain and the second transmission chain to respectively drive the first scraper and the second scraper to move.
With reference to the first aspect, in a possible implementation manner, the tank body is further provided with a third discharge port, the third discharge port and the second discharge port are located at the same end, and the second discharge port and the third discharge port are distributed along the horizontal flow direction of the separation liquid.
With reference to the first aspect, in one possible implementation, the density of the discharge material discharged by the third discharge outlet is less than the density of the discharge material discharged by the second discharge outlet.
With reference to the first aspect, in a possible implementation manner, a side of the bottom surface of the groove body, which is close to the second discharge hole, is obliquely arranged, and a predetermined included angle is formed between the bottom surface of the groove body and the horizontal plane.
In order to achieve the above object, in a second aspect, the present application further provides a sorting system, including a sorting liquid supply subsystem, a material conveying subsystem and the dense medium sorting machine provided in the first aspect;
the outlet of the sorting liquid supply subsystem is connected with the sorting liquid inlet of the tank body and is used for conveying sorting liquid for sorting materials to the sorting liquid inlet;
and the outlet of the material conveying subsystem is connected with the feed port of the groove body and used for conveying materials to be sorted to the feed port.
Compared with the prior art, the beneficial effects of the application are that:
the application provides a dense medium separator and a separation system, wherein the dense medium separator comprises a tank body, a water injection mechanism and a discharge mechanism; a feeding port and a sorting liquid inlet are formed in one side of the tank body, and a first discharging port is formed in the other side of the tank body, wherein the feeding port is used for guiding materials to be sorted into the tank body, the sorting liquid inlet is used for guiding the sorting liquid into the tank body, and the sorting liquid conveys the floating materials to the first discharging port in the tank body in a horizontal flow manner; the bottom of the tank body is provided with a water injection mechanism which is used for injecting ascending water flow into the tank body; one end of the tank body is provided with a second discharge hole, and a discharge mechanism is arranged in the tank body and used for conveying the sinking material to the second discharge hole. The dense medium sorting machine provided by the application adopts a groove body structure, and the whole machine structure is simplified.
In addition, the dense medium sorter that this application provided utilizes the difference of waiting to select separately material density to realize selecting separately, only needs to the sorting liquid of leading-in density in the cell body in addition, recycles the material of waiting to select separately that rising rivers stir the feed inlet and get into for the material homodisperse that waits to select separately that gets into in the cell body, the horizontal flow mode of rethread sorting liquid has finally realized accurate sorting, has greatly reduced the quantity of selecting separately liquid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 illustrates a front view of a dense media separator according to an embodiment of the present application;
FIG. 2 illustrates a top view of a dense media sorter as provided by an embodiment of the present application;
FIG. 3 illustrates a right side view of a dense media sorter as provided by an embodiment of the present application;
fig. 4 shows a schematic view of a first sorting section and a second sorting section in the heavy medium sorter provided in fig. 1.
Description of the main element symbols:
100-groove body; 110-a water injection port; 120-a feeding port; 130-a first discharge port; 140-a second discharge port; 150-a third discharge port; 160-sort fluid inlet; 200-a discharge mechanism; 210 a-a first transmission assembly; 210 b-a second transmission assembly; 211 a-first drive chain; 211 b-a second drive chain; 212 a-first squeegee; 212 b-a second flight; 220-a drive assembly; 221-a motor; 222-a speed reducer; 223-a pulley assembly;
1000-clean coal; 2000-middlings; 3000-gangue.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example one
Referring to fig. 1 to 4, the dense medium separator provided in this embodiment may be used for separation in the field of coal mines, and since the density of gangue 3000 and coal material in the mined raw coal is different, the separation is performed by using archimedes principle, so that the separation accuracy is high, and the separation efficiency is high.
The dense medium separator provided in this embodiment includes a tank 100, a water injection mechanism (not shown), and a discharging mechanism 200.
The tank 100 has a receiving space therein, and the raw coal can be sorted in the receiving space.
Referring to fig. 2 and fig. 3, a material inlet 120 and a sorting liquid inlet 160 are disposed at one side of the tank 100, the material inlet 120 is used for guiding the material to be sorted into the tank 100, and the sorting liquid inlet 160 is used for guiding the sorting liquid into the tank 100.
In the present embodiment, the feeding port 120 is directed toward the inside of the tank 100.
Optionally, the leading-in direction of pan feeding mouth 120 is the acute angle with the contained angle of horizontal plane, and pan feeding mouth 120 extends to the direction of keeping away from cell body 100 for conveniently wait that the material of sorting only relies on self gravity to fall into cell body 100 smoothly, keeps pan feeding mouth 120 pan feeding unobstructed, avoids taking place the condition of jam.
In some embodiments, the sorting liquid inlet 160 is located below the feeding port 120, and the introduction direction of the sorting liquid inlet 160 is vertical upward, that is, the sorting liquid introduced by the sorting liquid inlet 160 enters the feeding port 120, washes the materials to be sorted gathered at the feeding port 120, and then enters the tank body 100 along the feeding port 120.
It can be understood that the sorting liquid erodes the material of waiting to sort of the gathering of pan feeding mouth 120, further can prevent to wait to sort the material and pile up at pan feeding mouth 120, guarantees that pan feeding mouth 120 pan feeding is unobstructed, improves pan feeding speed simultaneously, in addition, can also break away waiting to sort the thing for it disperses more easily to wait to sort the thing after getting into in the cell body 100, prepares for subsequent sorting.
In other embodiments, the number of the feeding ports 120 and the sorting solution inlets 160 on the tank 100 may be multiple, so as to ensure that the materials to be sorted are more dispersed after entering the tank 100, thereby improving the subsequent sorting efficiency and sorting effect.
Alternatively, the number of the feeding ports 120 and the sorting solution inlets 160 on the trough 100 may be two, three, four or other numbers, and it should be understood that the above description is only illustrative and not intended to limit the scope of the present application. The number of the feeding ports 120 and the sorting liquid inlets 160 on the specific tank body 100 is actually selected according to the size of the tank body 100, and meanwhile, the materials to be sorted can smoothly enter the tank body 100.
In this embodiment, the material to be sorted is raw coal, the sorting solution selects to be suspension, the sorting solution can realize that waste rock 3000 and coal charge in the raw coal separate, specifically, waste rock 3000 density is greater than the coal, waste rock 3000 sinks in the sorting solution, the process that the coal charge can appear the come-up in the sorting solution, and then the coal charge can exist in the sorting solution and suspend in the sorting solution, also exist and float on the sorting solution surface and still have three kinds of states that are changed to the floating state by suspending, this embodiment will be referred to the material of come-up collectively under the above-mentioned three kinds of states.
Further, a first discharge port 130 is disposed on the other side of the tank body 100, wherein after the sorting liquid enters the tank body 100, the sorting liquid conveys the floating materials to the first discharge port 130 in the tank body 100 in a horizontal flow manner. That is, the flow direction of the sort liquid flows from one side of the tank body 100 to the other side of the tank body 100, wherein the material floating on the liquid surface of the sort liquid is discharged from the first discharge port 130.
Referring to fig. 1 and fig. 3, a water injection mechanism is disposed at the bottom of the tank 100, and the water injection mechanism is used for injecting ascending water into the tank 100, that is, the water injection mechanism injects water into the tank 100 in a vertical direction, and the vertical direction is perpendicular to the flowing direction of the sorting solution.
It can be understood that ascending water flow can disperse the materials entering the inside of the tank body 100 and near the bottom surface of the tank body 100, so that the waste rock 3000 and the coal material are separated, the material is dispersed more uniformly, the effect of separating the materials by the separation liquid is better, the separation precision is improved, and the content of the waste rock 3000 in the coal material is reduced.
Further, the bottom of the tank body 100 is provided with a plurality of water injection ports 110, and each water injection port 110 is connected with a water injection mechanism. Wherein, the water injection mechanism includes the water injection pump, and the delivery port of water injection pump passes through each water filling port 110 of tube coupling.
In some embodiments, the water outlet of the water injection pump is connected to one or more water separators through a pipeline, and then the water separators are connected to the water injection ports 110 through pipelines, so that the water injection amount of each water injection port 110 can be uniformly distributed.
In other embodiments, a valve is arranged on each pipeline entering the water injection port 110, so that the water injection speed of each water injection port 110 can be adjusted, the opening of the valve can be adjusted according to the particle size of the material to be sorted or the concentration of the sorting liquid, and the effect of accurate sorting is achieved.
Optionally, the flow rate of the water injection pump is set according to the sorting capacity of the dense medium sorting machine so as to achieve the optimal sorting effect. In some embodiments, the flow rate of the water injection pump may be selected to be 1300m3/h～1600m3/h。
One end of the tank body 100 is provided with a second discharge hole 140, a discharge mechanism 200 is arranged in the tank body 100, and the discharge mechanism 200 is used for conveying the sinking material to the second discharge hole 140.
Further, the discharging mechanism 200 includes a first transmission assembly 210a and a driving assembly 220. The first transmission assembly 210a is disposed in the tank 100, the first transmission assembly 210a includes a first transmission chain 211a and a first scraper 212a disposed on the first transmission chain 211a, and the first scraper 212a is distributed along a circumferential direction of the first transmission chain 211 a.
The driving assembly 220 is used for driving the first transmission chain 211a to drive the scraper to move, the driving assembly 220 comprises a motor 221 and a speed reducer 222, the motor 221 is connected with the speed reducer 222 through a belt pulley assembly 223, and the output end of the speed reducer 222 drives the first transmission chain 211a to rotate. When the first driving chain 211a rotates, the first scraper 212a is driven to move, and further the sinking material is driven to be conveyed to the second material outlet 140 and discharged from the second material outlet 140.
In the embodiment, since the density of the gangue 3000 is greater than that of the coal material, the coal material is discharged from the first discharge port 130, and the gangue 3000 is discharged from the second discharge port 140.
The dense medium separator provided by the embodiment adopts the structure of one trough body 100, so that the structure of the whole separator is simplified. Simultaneously, the dense medium sorter utilizes the difference of waiting to select separately the material density to realize selecting separately, only needs to lead in the sorting solution of a density in to cell body 100 in addition, recycles ascending rivers and stirs the waiting of the feed inlet entering and select separately the material for the waiting of getting into in cell body 100 selects separately the material homodisperse, and the horizontal flow mode of rethread sorting solution has finally realized accurate sorting, has greatly reduced the quantity of selecting separately the liquid.
Example two
Referring to fig. 1 to 4, the dense medium separator provided in this embodiment can be used for separation in the field of coal mines. The present embodiment is an improvement on the technology of the first embodiment, and compared with the first embodiment, the difference is that:
referring to fig. 4, it should be noted that the raw coal includes gangue 3000 and coal material, and the coal material can be subdivided into middling coal 2000 and clean coal 1000, wherein the middling coal 2000 and the clean coal 1000 are different in that the middling coal 2000 may include a portion of gangue 3000, and the clean coal 1000 does not include gangue 3000. The three products of the gangue 3000, the middlings 2000 and the clean coal 1000 are sequentially ordered from top to bottom according to the density.
Referring to fig. 3 and 4, in order to realize the sorting of the three products, in the present embodiment, the tank 100 is divided into a first sorting area and a second sorting area along the horizontal flow direction of the sorting liquid, and it can be understood that the first sorting area and the second sorting area are relatively virtual areas, and the first sorting area and the second sorting area have no obvious boundary.
Wherein the first sorting area and the second sorting area are different in that: the velocity of the ascending water flow in the first separation zone is greater than the velocity of the ascending water flow in the second separation zone.
Furthermore, from the first separation area to the second separation area, the disturbance capability of the ascending water flow is gradually weakened, and further, the disturbance on the coal material reaching the second separation area is reduced. Meanwhile, the concentration of the sorting solution near the bottom surface of the tank body 100 is gradually reduced in the process of flowing from the first sorting area to the second sorting area. Therefore, most of the gangue 3000 sinks to the bottom surface of the tank body 100 in the first separation area, the middlings 2000 sink to the bottom surface of the tank body 100 in the second separation area, and the clean coal 1000 always floats on the liquid level of the separation liquid; and further realizes the separation of three products of gangue 3000, middlings 2000 and clean coal 1000.
Referring to fig. 1, fig. 3 and fig. 4, specifically, since the bottom of the tank 100 is provided with a plurality of water injection ports 110, the first separation area and the second separation area are distributed at the plurality of water injection ports 110, and each water injection port 110 is connected to a water injection pump in the water injection mechanism, and the water injection speed of the water injection port 110 gradually decreases along the horizontal flow direction of the separation liquid.
In some embodiments, the water injection rates of all the water injection ports 110 in the first separation zone are the same, and the water injection rates of all the water injection ports 110 in the second separation zone are the same, wherein the water injection rate of the water injection ports 110 in the first separation zone is greater than the water injection rate of the water injection ports 110 in the second separation zone.
Referring to fig. 1 and fig. 2, in the present embodiment, the tank 100 is further provided with a third discharge hole 150, and the third discharge hole 150 and the second discharge hole 140 are located at the same end, wherein the second discharge hole 140 and the third discharge hole 150 are both distributed along the horizontal flow direction of the sorting liquid.
The density of the material discharged from the third discharge hole 150 is less than that of the material discharged from the second discharge hole 140. That is, the material discharged from the second discharge port 140 is gangue 3000; the material discharged from the third discharge port 150 is middlings 2000; further, the material discharged from the first discharge hole 130 is clean coal 1000.
Referring to fig. 1, 2 and 3, in the present embodiment, in order to discharge the gangue 3000 and the clean coal 1000 from the second discharge port 140 and the third discharge port 150, respectively, the discharge mechanism 200 includes a driving assembly 220, and a first transmission assembly 210a and a second transmission assembly 210b distributed along a horizontal flow direction of the separation liquid.
The first transmission assembly 210a includes a first transmission chain 211a and first scrapers 212a disposed on the first transmission chain 211a, and the first scrapers 212a are distributed along a circumferential direction of the first transmission chain 211 a.
The second driving assembly 210b includes a second driving chain 211b and a second scraper 212b disposed on the second driving chain 211b, and the second scraper 212b is distributed along a circumferential direction of the second driving chain 211 b.
The driving assembly 220 is used for synchronously driving the first transmission chain 211a and the second transmission chain 211b to respectively drive the first scraper 212a and the second scraper 212b to move. That is, the driven wheels of the first and second transmission chains 211a and 211b are coaxial, and the driving wheels of the first and second transmission chains 211a and 211b are also coaxial.
The driving element 220 continues to use the technical solution provided in the above embodiment, and is not described herein again.
In some embodiments, two sets of driving assemblies 220 may be provided, and the two sets of driving assemblies 220 respectively drive the first driving chain 211a and the second driving chain 211b to respectively drive the first scraper 212a and the second scraper 212b to move.
In other embodiments, the bottom surface of the groove 100 is disposed at an angle close to one side of the second discharge hole 140, and forms a predetermined included angle with the horizontal plane, and optionally, the predetermined included angle is an acute angle.
The purpose that one side slope setting is close to second discharge gate 140 in the bottom surface of cell body 100 is for the material that carries to second discharge gate 140 and third discharge gate 150 gathers in the bottom surface toe department of cell body 100, and the smooth discharge of the row's of being convenient for material mechanism 200 guarantees simultaneously that the ejection of compact is even.
EXAMPLE III
Referring to fig. 1 to 4, the sorting system provided in this embodiment may be used for sorting in the coal mine field.
The sorting system provided by the embodiment comprises a sorting liquid supply subsystem, a material conveying subsystem and the dense medium sorting machine provided by the first embodiment or the second embodiment.
The outlet of the sorting liquid supply subsystem is connected to the sorting liquid inlet 160 of the tank body 100 for delivering the sorting liquid for sorting the materials to the sorting liquid inlet 160.
The outlet of the material conveying subsystem is connected with the feed inlet of the tank body 100 and used for conveying materials to be sorted to the feed inlet.
In some embodiments, a collection device for collecting material is provided at the material discharge port of the dense media separator.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A dense medium separator is characterized by comprising a tank body, a water injection mechanism and a discharge mechanism;
a feeding port and a sorting liquid inlet are formed in one side of the tank body, and a first discharging port is formed in the other side of the tank body, wherein the feeding port is used for guiding materials to be sorted into the tank body, the sorting liquid inlet is used for guiding sorting liquid into the tank body, and the sorting liquid conveys floating materials to the first discharging port in the tank body in a horizontal flow mode;
the bottom of the tank body is provided with the water injection mechanism, and the water injection mechanism is used for injecting ascending water flow into the tank body;
one end of the tank body is provided with a second discharge hole, the tank body is internally provided with a discharge mechanism, and the discharge mechanism is used for conveying sunken materials to the second discharge hole.
2. The dense media separator of claim 1, wherein the discharge mechanism comprises a first transmission assembly and a drive assembly;
the first transmission assembly comprises a first transmission chain and first scraping plates arranged on the first transmission chain, and the first scraping plates are distributed along the circumferential direction of the first transmission chain;
the driving assembly is used for driving the first transmission chain to drive the scraper to move.
3. The dense media separator of claim 1, wherein the trough body is divided into a first separation zone and a second separation zone in the direction of the horizontal flow of the separation liquid; wherein the flow rate of the ascending water flow of the first separation zone is greater than the flow rate of the ascending water flow of the second separation zone.
4. The dense medium separator according to claim 1, wherein a plurality of water injection ports are provided at the bottom of the tank body, each of the water injection ports is connected to the water injection mechanism, and the water injection speed of the water injection port is gradually decreased in the horizontal flow direction of the separation liquid.
5. The dense media separator of claim 4, wherein the trough body is divided into a first separation zone and a second separation zone in the direction of the horizontal flow of the separation liquid; and the water injection speed of the water injection port positioned in the first separation area is greater than that of the water injection port positioned in the second separation area.
6. The dense media separator of claim 4, wherein the discharge mechanism comprises a drive assembly and first and second drive assemblies distributed along a horizontal flow direction of the separation liquid;
the first transmission assembly comprises a first transmission chain and first scraping plates arranged on the first transmission chain, and the first scraping plates are distributed along the circumferential direction of the first transmission chain;
the second transmission assembly comprises a second transmission chain and second scraping plates arranged on the second transmission chain, and the second scraping plates are distributed along the circumferential direction of the second transmission chain;
the driving assembly is used for synchronously driving the first transmission chain and the second transmission chain to respectively drive the first scraper and the second scraper to move.
7. The dense medium separator according to any one of claims 1 to 6, wherein the tank body is further provided with a third discharge port, the third discharge port and the second discharge port are located at the same end, and the second discharge port and the third discharge port are both distributed along the horizontal flow direction of the separation liquid.
8. The dense media separator of claim 7, wherein the density of the third outlet discharge is less than the density of the second outlet discharge.
9. The dense medium separator according to claim 1, wherein the bottom surface of the trough body is inclined at a side close to the second discharge port and forms a predetermined included angle with the horizontal plane.
10. A sorting system comprising a sort fluid supply subsystem, a material transport subsystem and a dense medium sorter as claimed in any one of claims 1 to 9;
the outlet of the sorting liquid supply subsystem is connected with the sorting liquid inlet of the tank body and is used for conveying sorting liquid for sorting materials to the sorting liquid inlet;
and the outlet of the material conveying subsystem is connected with the feed port of the groove body and used for conveying materials to be sorted to the feed port.
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| CN202110190533.0A CN112844797B (en) | 2021-02-18 | 2021-02-18 | Dense medium separator and separation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111420795A (en) * | 2020-04-16 | 2020-07-17 | 中国矿业大学 | Dry heavy medium gradient sorting device and sorting method thereof |
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| CN2323873Y (en) * | 1998-06-12 | 1999-06-16 | 煤炭科学研究总院唐山分院 | Three-product shallow slot scraper heavy medium classifier |
| CN103657831A (en) * | 2013-12-20 | 2014-03-26 | 黄敏生 | Three-level raw coal separator |
| CN104226458A (en) * | 2014-08-27 | 2014-12-24 | 中国矿业大学(北京) | Three-product shallow slot type dense medium sorting machine |
| CN207013125U (en) * | 2017-03-14 | 2018-02-16 | 芬雷选煤工程技术(北京)有限公司 | A kind of improved shallow-tank separator |
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