CN211726146U - Heavy medium shallow slot separator - Google Patents
Heavy medium shallow slot separator Download PDFInfo
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- CN211726146U CN211726146U CN201922382824.0U CN201922382824U CN211726146U CN 211726146 U CN211726146 U CN 211726146U CN 201922382824 U CN201922382824 U CN 201922382824U CN 211726146 U CN211726146 U CN 211726146U
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Abstract
The application discloses dense medium shallow slot sorter, it includes cell body, drive division and striking gear, the cell body has overflow row workbin, the bin outlet has on the overflow row workbin, striking gear includes the pivot and is used for dialling the portion of stirring of bin outlet with the floater in the cell body, the portion of stirring sets up in the pivot, the pivot is rotationally installed on two relative lateral walls of overflow row workbin, striking gear is located overflow row workbin, the drive division passes through the pivot drives the portion of stirring rotates. By the aid of the method, the demand of the dense medium liquid can be reduced, the separation cost is reduced, the upper limit of the separation granularity can be increased, the separation range is expanded, and accordingly the method is suitable for coal coming from mines with different granularities better, unnecessary screening and crushing links can be reduced, and the environment protection level is improved.
Description
Technical Field
The application relates to the technical field of sorting machines, in particular to a heavy medium shallow slot sorting machine.
Background
At present, common lump coal sorting equipment in the coal separation industry mainly comprises a common heavy medium shallow slot sorting machine, a heavy medium inclined/vertical wheel sorting machine and a movable sieve jig. Because of the requirements of separation capacity and precision, heavy medium inclined/vertical wheel separators and movable sieve jigs are rarely used, and heavy medium shallow slot separators are the most widely used lump coal separation equipment at present. The heavy medium shallow slot separator is used for separating coal in a gravity field according to the Archimedes law, light products with density lower than that of a medium float above a medium liquid and flow through an overflow weir under the action of horizontal flow to form clean coal products, and materials with density higher than that of the medium liquid are gangue and sink to the bottom of the shallow slot separator and are scraped out by a scraper.
The inventor finds that the separation of the existing heavy medium shallow slot separator mainly depends on the flow of medium liquid to carry clean coal out of an overflow weir; the sorting particle size range of the related feeding and discharging structure is limited, the sorting efficiency is low, the using amount of the medium liquid is large, and the cost is high.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present application provides a heavy medium shallow slot sorting machine to solve the above technical problems.
The application provides a dense medium shallow slot separator, it includes cell body, drive division and striking gear, the cell body has overflow row workbin, the bin outlet has on the overflow row workbin, striking gear includes the pivot and is used for dialling the portion of stirring of bin outlet with the floater in the cell body, the portion of stirring sets up in the pivot, the pivot is rotationally installed on two relative lateral walls of overflow row workbin, striking gear is located overflow row workbin, the drive division passes through the pivot drives the portion of stirring rotates.
Optionally, the shifting portion includes a plurality of groups of shifting levers, the groups of shifting levers are uniformly arranged along the length direction of the rotating shaft, each group of shifting levers includes at least three shifting levers, and the at least three shifting levers are respectively and vertically fixed on the rotating shaft and are uniformly arranged along the circumferential direction of the rotating shaft.
Optionally, the poking part comprises a plurality of groups of poking pieces, the poking pieces are evenly distributed along the length direction of the rotating shaft, each group of poking pieces comprises at least three poking pieces, the at least three poking pieces are respectively and vertically fixed on the rotating shaft and evenly distributed along the circumferential direction of the rotating shaft, and the poking pieces are perpendicular to the rotating direction of the rotating shaft.
Optionally, the method further comprises: driving motor, first chain, second chain and a plurality of scraper blade, the waste rock discharge mouth has on the cell body, driving motor installs on the cell body, and is located waste rock discharge mouth top, the cell body has relative first frid and the second frid that sets up, parallel being provided with first slide and second spout on the tank bottom of cell body, overflow bin discharging box sets up on first frid, be provided with the pan feeding mouth on the second frid, all be provided with aircraft nose sprocket, support sprocket and tail bend sprocket on first frid and the second frid, aircraft nose sprocket, support sprocket and tail bend sprocket on two frids all connect through the connecting axle, first chain is installed aircraft nose sprocket, support sprocket and tail bend sprocket of first frid, and can install on first slide with sliding, the second chain is installed at aircraft nose sprocket, support sprocket and the tail bend sprocket of second frid, and can install on the second slide with sliding, the both ends of every scraper blade are connected with first chain and second chain respectively, and driving motor drives the aircraft nose sprocket and rotates, and the aircraft nose sprocket drives the scraper blade through first chain, second chain and tail redirection sprocket and removes, takes the deposit in the cell body to the discharge refuse mouth and discharges.
Optionally, at least two reinforcing ribs are arranged on the surface of the scraper plate departing from the moving direction of the scraper plate, and each reinforcing rib is perpendicular to the moving direction of the scraper plate.
Optionally, the inner surface of the trough body and the inner surface of the overflow discharge box are both provided with wear-resistant layers.
Optionally, the driving motor drives the handpiece sprocket to rotate through the flexible coupling.
Optionally, the overflow bin includes first curb plate, second curb plate and swash plate, the both sides that the swash plate is relative respectively with first curb plate and second curb plate fixed connection, first curb plate, second curb plate and swash plate are all fixed on first frid, and first curb plate, second curb plate all are perpendicular with swash plate, first frid, the both ends of pivot are rotationally installed respectively on first curb plate and second curb plate, the bin outlet that swash plate and first frid formed, the bin outlet orientation deviates from the direction of cell body tank bottom.
Optionally, the connecting device further comprises a first partition plate and a second partition plate which are arranged at intervals, the first partition plate and the second partition plate are connected with the inclined plate and the first groove plate and are parallel to the first side plate, the first side plate and the second side plate are partitioned into three regions by the first partition plate and the second partition plate, bearings are arranged on the first partition plate and the second partition plate, and the rotating shaft is mounted on the bearings.
Optionally, the driving part is an electric motor, and the electric motor is mounted on the tank body and drives the rotating shaft to rotate through the speed reducer.
The application provides a dense medium shallow slot sorter is through setting up the cell body, drive division and toggle arrangement, toggle arrangement installs in the overflow discharge box of cell body, the drive division drives the toggle arrangement through the pivot and rotates the bin outlet that discharges the floater, make the material select separately can not rely on dense medium liquid overflow to discharge, not only can improve separation efficiency, reduce the area medium volume of sorting, reach the use amount that reduces dense medium liquid, reduce the sorting cost, but also can increase and select separately the granularity upper limit, enlarge the sorting range, thereby adapt to the mine of different granularities better and come the coal, still can reduce the broken link of unnecessary screening simultaneously, improve the environmental protection level, moreover, the steam generator is simple in structure, high durability and convenient use.
Drawings
Fig. 1 is a perspective view of the heavy medium shallow groove sorter of the present application.
Fig. 2 is a front view of the heavy medium shallow groove sorter of the present application.
Fig. 3 is a perspective view of the overflow drain box and toggle device of the present application.
FIG. 4 is a front view of the overflow discharge box and toggle arrangement of the present application.
Detailed Description
The technical solutions of the present application are described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 shows a perspective view of the heavy-media shallow groove sorter of the present application, and fig. 2 shows a front view of the heavy-media shallow groove sorter of the present application. As shown in fig. 1-2, the present application provides a heavy medium shallow slot sorter, comprising: a tank body 1, a driving part 3 and a toggle device 4.
The trough body 1 is provided with an overflow discharge box 2, and the overflow discharge box 2 is provided with a discharge opening. In the present embodiment, the overflow drain tank 2 may be an existing overflow drain tank 2.
The poking device 4 comprises a rotating shaft 41 and a poking part 42 for poking the floating objects in the tank body 1 out of the discharge hole.
The toggle part 42 is arranged on the rotating shaft 41, and the rotating shaft 41 is arranged on two opposite side walls of the overflow discharge box 2.
The toggle device 4 is positioned in the overflow discharge box 2, and the driving part 3 drives the toggle part 42 to rotate through the rotating shaft 41.
The working process of the heavy medium shallow slot separator is explained by taking the separation of coal as an example.
When the heavy medium shallow slot separator works, heavy medium liquid is pumped into the tank body through the funnel and the inlet collecting pipe at the bottom of the tank body 1. The dense medium liquid is a solution with the density higher than that of water, and the dense medium liquid mainly comprises magnetite powder and water.
Raw coal enters the heavy medium liquid in the tank body 1, clean coal floats above the heavy medium liquid, and impurities with other specific gravities such as gangue and the like are settled to the bottom of the tank body 1.
The driving part 3 works to drive the rotating shaft 41 to rotate, and the rotating shaft 41 drives the shifting part 42 to rotate, so that clean coal is shifted out of the discharge hole from the overflow discharge box 2. Because the discharge of the clean coal is not carried out by only depending on the flow of the dense medium liquid, the using amount of the dense medium liquid can be reduced.
Particularly, when the cleaned coal granularity is great, for example the granularity is greater than 150mm, the granularity is greater than 500mm even, stirring portion 42 also can be dialled the cleaned coal from the bin outlet and can not block at the bin outlet, and need not earlier the bold material breakage that the granularity is greater than 500mm, the add of reducible screening breaker not only, reduce the input of production facility and capital construction, reduce the separation cost, but also can avoid the noise that the breakage brought, the problem of polluted environment such as dust, be favorable to the environmental protection, and simultaneously, still can reduce the content of the fine grain coal because of the breakage production, improve separation efficiency.
The application provides a dense medium shallow slot sorter is through setting up the cell body, drive division and toggle arrangement, toggle arrangement installs in the overflow discharge box of cell body, the drive division drives the toggle arrangement through the pivot and rotates the bin outlet that discharges the floater, make the material select separately can not rely on dense medium liquid overflow to discharge, not only can improve separation efficiency, reduce the area medium volume of sorting, reach the use amount that reduces dense medium liquid, reduce the sorting cost, but also can increase and select separately the granularity upper limit, enlarge the sorting range, thereby adapt to the mine of different granularities better and come the coal, still can reduce the broken link of unnecessary screening simultaneously, improve the environmental protection level, moreover, the steam generator is simple in structure, high durability and convenient use.
As shown in fig. 3-4, the shifting portion 42 includes a plurality of groups of shifting rods, and the groups of shifting rods are uniformly arranged along the length direction of the rotating shaft 41.
Each group of shift levers comprises at least three shift levers, and the at least three shift levers are respectively and vertically fixed on the rotating shaft 41 and are evenly distributed along the circumferential direction of the rotating shaft 41. Each group of deflector rods is in a common circle.
The toggle part 42 is composed of a plurality of toggle rods, so that the structure of the toggle part 42 can be simplified, and the rotation resistance is reduced. In this embodiment, the shift lever may be a straight lever.
In another embodiment, the toggle portion 42 includes a plurality of sets of toggle pieces, and the sets of toggle pieces are uniformly arranged along the length direction of the rotating shaft.
Each group of shifting pieces comprises at least three shifting pieces, the at least three shifting pieces are respectively and vertically fixed on the rotating shaft 41 and are evenly distributed along the circumferential direction of the rotating shaft 41, and each shifting piece is perpendicular to the rotating direction of the rotating shaft 41.
The toggle part 42 can increase the toggle force, further increase the upper limit of the sorting granularity of the heavy medium shallow slot sorting machine and expand the sorting range.
In this embodiment, the pick is a strip-shaped plate, such as a rectangular plate. The central axis of each group of shifting pieces is coplanar.
Optionally, the stirring part may be connected in a flexible manner, and is not limited to the above specific structural form, and the stirring part is used to assist in discharging the coal briquettes in the overflow, which is the protection scope of this patent.
Preferably, as shown in fig. 1, the heavy medium shallow slot sorter further comprises: a drive motor 18, a first chain 15, a second chain 13, and a plurality of flights 17.
The tank body 1 is provided with a waste rock discharge port 19, and the driving motor 18 is installed on the tank body 1 and is positioned above the waste rock discharge port 19.
The cell body 1 has relative first frid 11 and the second frid 12 that sets up, parallel first slide and the second spout of being provided with on the tank bottom of cell body 1. The overflow discharge box 2 is arranged on the first trough plate 11.
The second trough plate 12 is provided with a feeding port, and a horizontal feeding box is arranged on the feeding port, so that materials can conveniently enter the trough body 1, and the impact of large materials on the trough body 1 is reduced.
The first groove plate 11 and the second groove plate 12 are respectively provided with a machine head chain wheel 14, a supporting chain wheel 16 and a machine tail direction-changing chain wheel 10. The carrier sprocket 16 is used to support the chain and the tail redirection sprocket 10 is used for chain steering.
The machine head chain wheel 14, the supporting chain wheel 16 and the machine tail direction-changing chain wheel 10 on the two grooved plates are connected through connecting shafts.
The first chain 15 is mounted on the head sprocket 14, the supporting sprocket 16 and the tail direction-changing sprocket 10 of the first slot plate 11, and is slidably mounted on the first slideway.
The second chain 13 is mounted on the head sprocket 14, the supporting sprocket 16 and the tail direction-changing sprocket 10 of the second slot plate 12, and is slidably mounted on the second slideway. The first slideway and the second slideway can adopt the existing structure.
Both ends of each flight 17 in the length direction are connected to the first chain 15 and the second chain 13, respectively.
The driving motor 18 drives the machine head chain wheel 14 to rotate, the machine head chain wheel 14 drives the scraper 17 to move through the first chain 15, the second chain 13 and the machine tail direction changing chain wheel 10, and sediments in the tank body 1 are brought to the gangue discharge port 19 to be discharged.
The driving motor 18 is arranged above the waste rock discharge port 19, so that the height difference between the driving motor 18 and the waste rock discharge port 19 can be increased, and discharging of large materials is facilitated. Wherein, the height is the direction vertical to the groove bottom of the groove body 1.
In one embodiment, the thickness of the scraper 17 is greater than 12mm, and the material is high-strength and high-wear-resistance steel to withstand the impact of larger-sized materials.
The interval of adjacent scraper blade 17 is greater than 625mm, and first chain 15 and second chain 13 all can adopt heavy chain, and aircraft nose sprocket 14, riding sprocket 16 and tail redirection sprocket 10 all adopt heavy split type sprocket to satisfy the sorting demand of bold material. Wherein, the interval of scraper blade can be adjusted according to the pan feeding granularity.
Further, at least two reinforcing ribs are arranged on the surface of the scraper 17, which is away from the moving direction of the scraper 17, and each reinforcing rib is perpendicular to the moving direction of the scraper 17, so that the strength and the bending resistance of the scraper 17 are improved.
Preferably, all be provided with the wearing layer on the internal surface of cell body 1 and the internal surface of overflow row material case 2 to increase the life of cell body 1 and overflow row material case 2, reduce the maintenance and change frequency, practice thrift the maintenance cost.
In the present embodiment, the wear-resistant layer has a hardness of HRC (rockwell hardness) 65 or more. The inner surface refers to the surface that is in contact with the medium liquid.
Optionally, the driving motor 18 drives the head sprocket 14 of the first slot plate 11 to rotate through a flexible coupling, so as to reduce the vibration during the transmission.
Preferably, as shown in fig. 3-4, the overflow discharge tank 2 comprises a first side plate 21, a second side plate 22 and an inclined plate 23. The two opposite sides of the sloping plate 23 are fixedly connected with the first side plate 21 and the second side plate 22 respectively.
The two ends of the rotating shaft 41 are rotatably mounted on the first side plate 21 and the second side plate 22 through bearings, respectively.
The sloping plate 23 and the first trough plate 11 form a discharge opening facing away from the bottom of the trough body 1.
Through setting up overflow row workbin 2 as first curb plate 21, second curb plate 22 and swash plate 23, can simplify the structure, reduce cost.
In this embodiment, the discharge opening has an opening angle of about 45 ° to facilitate discharge of the material.
Further, the overflow discharge box 2 of the heavy medium shallow slot separator also comprises a first partition plate 24 and a second partition plate 25 which are arranged at intervals.
The first partition plate 24 and the second partition plate 25 are connected to the inclined plate 23 and the first groove plate 11, and are parallel to the first side plate 21.
The first and second partition plates 24 and 25 partition between the first and second side plates 21 and 22 into three regions.
The first partition plate 24 and the second partition plate 25 are each provided with a bearing 26, and the rotating shaft 41 is mounted on the bearing 26.
By arranging the first partition plate 24 and the second partition plate 25, the installation firmness of the rotating shaft 41 can be increased, and the normal operation of the shifting device 4 of the heavy medium shallow slot sorting machine is ensured.
In one embodiment, the first side plate 21, the second side plate 22, the first partition plate 24 and the second partition plate 25 are all rectangular trapezoidal plates, and the oblique waist of the rectangular trapezoidal plate is fixedly connected with the oblique plate 23.
Optionally, the overflow drainage box 2 further comprises a horizontal plate 27, and the horizontal plate 27 is vertically connected to the first trough plate 11, the first partition plate 24 and the second partition plate 25, respectively, so as to further increase the firmness of the overflow drainage box 2.
In one embodiment, the driving portion 3 is an electric motor, and the electric motor is mounted on the tank body 1 and fixedly connected to the first trough plate 11 and the first side plate 21, respectively.
The speed reducer drives the rotating shaft 41 to rotate so as to increase the output torque of the motor and better stir the floating objects.
The technical solutions of the present application are described in detail with reference to specific embodiments, which are used to help understand the ideas of the present application. The derivation and modification made by the person skilled in the art on the basis of the specific embodiment of the present application also belong to the protection scope of the present application.
Claims (10)
1. A dense media shallow slot sorter comprising: cell body, drive division and striking gear, the cell body has overflow bin discharging case, the bin outlet has on the overflow bin discharging case, striking gear includes the pivot and is used for dialling the portion of stirring of bin outlet with the floater in the cell body, the portion of stirring sets up in the pivot, the pivot is rotationally installed on two relative lateral walls of overflow bin discharging case, striking gear is located overflow bin discharging incasement, the drive division passes through the pivot drives the portion of stirring rotates.
2. The heavy medium shallow slot sorting machine of claim 1, wherein the shifting portion comprises a plurality of groups of shifting rods, the groups of shifting rods are uniformly arranged along the length direction of the rotating shaft, each group of shifting rods comprises at least three shifting rods, and the at least three shifting rods are respectively vertically fixed on the rotating shaft and are uniformly arranged along the circumferential direction of the rotating shaft.
3. The heavy medium shallow slot sorting machine of claim 1, wherein the poking part comprises a plurality of groups of poking sheets, the plurality of groups of poking sheets are uniformly arranged along the length direction of the rotating shaft, each group of poking sheets comprises at least three poking sheets, the at least three poking sheets are respectively and vertically fixed on the rotating shaft and are uniformly arranged along the circumferential direction of the rotating shaft, and the poking sheets are perpendicular to the rotating direction of the rotating shaft.
4. The heavy media shallow slot separator of claim 1 further comprising: driving motor, first chain, second chain and a plurality of scraper blade, the waste rock discharge mouth has on the cell body, driving motor installs on the cell body, and is located waste rock discharge mouth top, the cell body has relative first frid and the second frid that sets up, parallel being provided with first slide and second spout on the tank bottom of cell body, overflow bin discharging box sets up on first frid, be provided with the pan feeding mouth on the second frid, all be provided with aircraft nose sprocket, support sprocket and tail bend sprocket on first frid and the second frid, aircraft nose sprocket, support sprocket and tail bend sprocket on two frids all connect through the connecting axle, first chain is installed aircraft nose sprocket, support sprocket and tail bend sprocket of first frid, and can install on first slide with sliding, the second chain is installed at aircraft nose sprocket, support sprocket and the tail bend sprocket of second frid, and can install on the second slide with sliding, the both ends of every scraper blade are connected with first chain and second chain respectively, and driving motor drives the aircraft nose sprocket and rotates, and the aircraft nose sprocket drives the scraper blade through first chain, second chain and tail redirection sprocket and removes, takes the deposit in the cell body to the discharge refuse mouth and discharges.
5. The heavy media shallow groove classifier of claim 4 wherein the face of the scraper facing away from the direction of scraper travel is provided with at least two ribs, each rib being perpendicular to the direction of scraper travel.
6. The heavy medium shallow slot separator as claimed in claim 5 wherein the inner surface of the trough body and the inner surface of the overflow discharge box are provided with wear resistant layers.
7. The heavy medium shallow slot sorting machine of claim 6, wherein the driving motor drives the head sprocket to rotate through a flexible coupling.
8. The heavy medium shallow slot separator according to claim 4, wherein the overflow discharge box includes a first side plate, a second side plate and an inclined plate, opposite sides of the inclined plate are fixedly connected with the first side plate and the second side plate respectively, the first side plate, the second side plate and the inclined plate are fixed on the first trough plate, the first side plate and the second side plate are perpendicular to the inclined plate and the first trough plate, two ends of the rotating shaft are rotatably mounted on the first side plate and the second side plate respectively, a discharge opening is formed by the inclined plate and the first trough plate, and the discharge opening faces a direction away from the bottom of the trough body.
9. The shallow heavy medium groove separator according to claim 8 further comprising a first partition plate and a second partition plate which are arranged at intervals, wherein the first partition plate and the second partition plate are connected with the inclined plate and the first groove plate and are parallel to the first side plate, the first partition plate and the second partition plate partition the first side plate and the second side plate into three regions, bearings are arranged on the first partition plate and the second partition plate, and the rotating shaft is mounted on the bearings.
10. The heavy medium shallow slot separator as claimed in any one of claims 1 to 9, wherein the driving part is an electric motor, and the electric motor is mounted on the tank body and drives the rotating shaft to rotate through a speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922382824.0U CN211726146U (en) | 2019-12-26 | 2019-12-26 | Heavy medium shallow slot separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922382824.0U CN211726146U (en) | 2019-12-26 | 2019-12-26 | Heavy medium shallow slot separator |
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| Publication Number | Publication Date |
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| CN211726146U true CN211726146U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922382824.0U Active CN211726146U (en) | 2019-12-26 | 2019-12-26 | Heavy medium shallow slot separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768988A (en) * | 2021-04-23 | 2022-07-22 | 永城煤电控股集团有限公司 | Stainless steel dense medium shallow slot coal separator |
-
2019
- 2019-12-26 CN CN201922382824.0U patent/CN211726146U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768988A (en) * | 2021-04-23 | 2022-07-22 | 永城煤电控股集团有限公司 | Stainless steel dense medium shallow slot coal separator |
| CN114768988B (en) * | 2021-04-23 | 2024-01-26 | 永城煤电控股集团有限公司 | Stainless steel dense medium shallow slot coal sorter |
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