CN112934454B - Shallow slot sorting machine - Google Patents
Shallow slot sorting machine Download PDFInfo
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- CN112934454B CN112934454B CN202110084568.6A CN202110084568A CN112934454B CN 112934454 B CN112934454 B CN 112934454B CN 202110084568 A CN202110084568 A CN 202110084568A CN 112934454 B CN112934454 B CN 112934454B
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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
- B03B5/36—Devices therefor, other than using centrifugal force
- B03B5/40—Devices therefor, other than using centrifugal force of trough type
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- Combined Means For Separation Of Solids (AREA)
Abstract
The embodiment of the application provides a shallow slot separator, relates to the field of industrial and mining equipment, and aims to solve the problem that upward flow in the shallow slot separator is relatively disordered. The shallow slot sorter includes: the device comprises a box body, an ascending flow distribution box, a horizontal flow distribution box and a scraper plate; the bottom of the box body is provided with an up-flow distribution plate and an arc-shaped section distribution plate, one side of the box body, which is close to the arc-shaped section distribution plate, is provided with a waste rock discharge chute, the scraper blade can slide on the up-flow distribution plate and the arc-shaped section distribution plate, and two opposite side surfaces on the box body are respectively provided with a feeding chute and a discharging chute; the upward flow distribution box is arranged below the upward flow distribution plate and the arc-shaped section distribution plate, covers the upward flow distribution plate and the arc-shaped section distribution plate, and is positioned below the feeding chute; an ascending material inlet interface and an ascending material outlet interface are respectively arranged on two opposite side surfaces of the ascending material distribution box, and the ascending material outlet interface is connected with the horizontal material distribution box. This application is used for sorting the material.
Description
Technical Field
The application relates to the field of industrial and mining equipment, in particular to a shallow slot separator.
Background
The shallow slot separator is a slot type separating device working according to the sinking and floating principle of materials with different specific gravities in separating media. Specifically, the materials with lighter specific gravity can float upwards in the sorting medium, the materials with higher specific gravity can sink downwards in the sorting medium, and the floating materials with lighter specific gravity can be flushed out by utilizing horizontal flow and discharged by a discharging chute; the scraper can be used for pushing the sinking material with higher specific gravity to the waste rock discharge chute and discharging the material from the waste rock discharge chute. In the related art, the upward flow in the shallow trench sorting machine is relatively turbulent, which may result in poor sorting accuracy of the shallow trench sorting machine.
Disclosure of Invention
The embodiment of the application provides a shallow slot separator to solve the problem that an ascending flow in the shallow slot separator is relatively disordered.
The embodiment of the application provides a shallow slot separator, which comprises a tank body, an upward flow distribution box, a horizontal flow distribution box and a scraper plate; the waste rock discharge device is characterized in that an up-flow distribution plate and an arc-shaped section distribution plate are sequentially arranged at the bottom of the box body, a waste rock discharge chute is arranged at one side of the box body close to the arc-shaped section distribution plate, the scraper can slide on the up-flow distribution plate and the arc-shaped section distribution plate, and a feeding chute and a discharging chute are respectively arranged on two opposite side surfaces of the box body, which are perpendicular to the sliding direction of the scraper; the upward flow distribution box is arranged below the upward flow distribution plate and the arc-shaped section distribution plate, the upward flow distribution box covers the upward flow distribution plate and the arc-shaped section distribution plate, and the horizontal flow distribution box is positioned below the feeding chute; and two opposite side surfaces of the ascending flow distribution box, which are vertical to the sliding direction of the scraper, are respectively provided with an ascending inflow interface and an ascending outflow interface, and the ascending outflow interface is connected with the horizontal flow distribution box.
Optionally, a plurality of first through holes are distributed in the upflow distribution plate in an array manner, and the first through holes are used for the sorting medium entering the upflow distribution box from the upflow feeding port to pass through; a plurality of second through holes are distributed on the arc-shaped section flow distribution plate in an array mode, and the second through holes are used for enabling sorting media entering the upflow flow distribution box from the upflow inflow port to pass through.
Optionally, N partition plates are arranged in the upward flow distribution box, where N is a positive integer, the partition plates are perpendicular to the sliding direction of the scraper, and the partition plates partition the upward flow distribution box into N +1 upward flow distribution chambers; the number of the ascending inflow interfaces is not less than N +1, the number of the ascending outflow interfaces is not less than N +1, each ascending flow distribution chamber is at least communicated with one ascending inflow interface, and each ascending flow distribution chamber is at least communicated with one ascending outflow interface.
Optionally, three partition plates are arranged in the upward flow distribution box, and the three partition plates divide the upward flow distribution box into a first upward flow distribution chamber, a second upward flow distribution chamber, a third upward flow distribution chamber and a fourth upward flow distribution chamber in sequence; the number of the ascending material inlet ports is four, the number of the ascending material outlet ports is six, the first ascending material distribution chamber is communicated with the second ascending material distribution chamber, the third ascending material distribution chamber is communicated with the fourth ascending material distribution chamber respectively, the first ascending material distribution chamber is communicated with the fourth ascending material distribution chamber respectively, the second ascending material distribution chamber is communicated with the third ascending material distribution chamber respectively, and the third ascending material distribution chamber is communicated with the ascending material outlet ports respectively.
Optionally, the ascending inlet material port is funnel-shaped, and an opening of the ascending inlet material port faces the ascending distribution box; the ascending flow discharging interface is funnel-shaped, and an opening of the ascending flow discharging interface faces the ascending flow distributing box.
Optionally, the shallow slot separator further includes a horizontal flow regulating valve, and the upward flow discharging interface is connected to the horizontal flow distribution box through the horizontal flow regulating valve.
Optionally, the horizontal flow distribution box is enclosed by a lower inclined plate, an upper inclined plate, a left side plate and a right side plate.
Optionally, the shallow slot separator further includes a horizontal flow regulating valve and a communicating pipeline, the upward flow discharging port is connected to the horizontal flow distribution box through the communicating pipeline, the horizontal flow regulating valve is disposed on the communicating pipeline, and an outlet end of the communicating pipeline penetrates through the lower inclined plate and is communicated with the horizontal flow distribution box.
Optionally, the upper inclined plate, the left side plate and the right side plate constitute the feeding chute.
Optionally, the quantity of scraper blade is a plurality of, shallow slot sorter still includes two end to end connection's drive chain and a plurality of sprocket, a plurality of sprockets rotate respectively the setting on the box with on the two opposite side faces of the slip direction vertically of scraper blade, two drive chain respectively with set up on a side of box sprocket drive is connected, and is a plurality of the both ends of scraper blade respectively with one drive chain is connected.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
in the embodiment of the application, the sorting medium can be introduced into the upflow distribution box along the horizontal direction, and can flow through the upflow distribution plate and the arc-shaped section distribution plate along the vertical direction to form upflow, so that the sorting medium can maintain the suspension state without basically generating the sedimentation phenomenon, and the sorting medium can be utilized to enable the sorting material which is fed into the shallow slot sorting machine through the feeding chute to be layered according to the Archimedes principle. The partial sorting medium introduced into the upflow distribution box can enter the horizontal distribution box through the upflow outlet interface to form horizontal flow, and the horizontal flow can enable the sorting material floating on the upper layer to symmetrically move and be discharged by the discharging chute. The scraper blade can slide on rising stream distribution board and arc section distribution board, can push the separation material who sinks in the bottom to discharge waste rock chute department. In the embodiment of the application, the sorting medium can be introduced into the upflow distribution box along the horizontal direction, and upflow is formed along the vertical direction, so that the stability of upflow can be improved, and the problem that the sorting precision is influenced by turbulence of upflow can be solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic structural diagram of a shallow trench sorting machine according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of parts such as an upward flow distribution box and a scraper in a shallow trench separator according to an embodiment of the present application.
Fig. 3 is a side cross-sectional view of a shallow slot sorter according to an embodiment of the present application.
Fig. 4 is a front cross-sectional view of a shallow trench sorter according to an embodiment of the present application.
Fig. 5 is a bottom view of a shallow trench sorter according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of a horizontal flow distribution box according to an embodiment of the present application.
Description of reference numerals: 100-shallow slot sorting machine; 110-a box body; 1101-an up-flow distribution plate; 11011-first perforation; 1102-arc segment flow distribution plate; 11021-second perforation; 1103-a waste rock discharge chute; 1104-feeding chute; 1105-a discharge chute; 120-up flow distribution box; 1201-rising inflow interface; 1202-ascending outflow material interface; 1203-a partition plate; 1204-a first upflow distribution chamber; 1205-a second upflow distribution chamber; 1206-a third upflow distribution chamber; 1207-a fourth upflow distribution chamber; 130-horizontal flow distribution box; 1301-a lower inclined plate; 1302-upper inclined plate; 1303-left side plate; 1304-right side plate; 140-a scraper; 150-horizontal flow regulating valve; 160-a communication conduit; 1701-driving chain; 1702 — sprocket.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
The embodiment of the application provides a shallow slot separator. Referring to fig. 1 to 6, a shallow trench sorter 100 provided in an embodiment of the present application may include a casing 110, an upflow distribution box 120, a horizontal flow distribution box 130, and a scraper 140.
Referring specifically to fig. 1 and 2, the bottom of the case 110 may be provided with an up-flow distribution plate 1101 and an arc-segment distribution plate 1102 in sequence. The side of the box 110 adjacent to the arc segment flow distribution plate 1102 may be provided with a refuse chute 1103, and the scraper 140 may slide on the upwelling flow distribution plate 1101 and the arc segment flow distribution plate 1102.
Referring specifically to fig. 3, a feeding chute 1104 and a discharging chute 1105 may be respectively disposed on two opposite side surfaces of the box body 110 perpendicular to the sliding direction of the scraper 140. The up-flow distribution box 120 may be disposed below the up-flow distribution plate 1101 and the segmental distribution plate 1102, and the up-flow distribution box 120 may cover the up-flow distribution plate 1101 and the segmental distribution plate 1102, and the horizontal flow distribution box 130 may be located below the feeding chute 1104. Two opposite side surfaces of the upward flow distribution box 120 perpendicular to the sliding direction of the scraper 140 may be respectively provided with an upward flow inlet interface 1201 and an upward flow outlet interface 1202, and the upward flow outlet interface 1202 may be connected to the horizontal flow distribution box 130.
In this way, in the embodiment of the present application, the sorting medium may be introduced into the upflow distribution box 120 in the horizontal direction, the sorting medium may flow through the upflow distribution plate 1101 and the arc-shaped section distribution plate 1102 in the vertical direction to form an upflow, the sorting medium may be maintained in a suspended state without substantially generating a sedimentation phenomenon, and the sorting medium may be used to stratify the sorted material that is put into the shallow groove sorter 100 through the feeding chute 1104 according to the archimedes principle. The portion of the sort medium that is introduced into the upflow distribution box 120 may enter the horizontal distribution box 130 through the upflow material interface 1202 to form a horizontal flow, which may cause the sort material floating on the upper layer to move symmetrically and be discharged from the discharge chute 1105. The scraper 140 can slide on the upwash flow distribution plate 1101 and the arc-shaped section flow distribution plate 1102, and can push the sorted materials sinking at the bottom to the gangue discharge chute 1103 for discharge. In the embodiment of the present application, since the sorting medium may be introduced into the upward flow distribution box 120 in the horizontal direction, and the upward flow is formed in the vertical direction, the stability of the upward flow may be improved, and the problem that the sorting accuracy is affected by the turbulence of the upward flow may be improved.
In addition, the shallow slot sorting machine that this application embodiment provided still includes segmental arc distribution plate 1102, like this, also can exist at segmental arc distribution plate 1102 department and rise, can utilize the rising to provide certain buoyancy to the sinking material that segmental arc distribution plate 1102 department is piled up, and the scraper blade 140 of being more convenient for pushes the sinking material to discharge waste rock chute 1103 department.
Illustratively, if the separation material is raw coal and the separation medium is suspension with a certain density prepared by mixing water, coal slime and magnetite powder according to a certain proportion, clean coal with lower density in the raw coal can float up in the suspension, and gangue with higher density in the raw coal can sink in the suspension, so that the separation of the coal and the gangue can be realized. The coal slime and the magnetite powder in the suspension can be basically prevented from precipitating by utilizing the upward flow, and the uniformity of the suspension can be improved; the floating clean coal can be flushed to the discharging chute 1105 by horizontal flow and discharged; the scraper 140 can be used to push the sinking gangue to the gangue discharge chute 1103 for discharge. It should be noted that other sorted materials can be sorted by using the shallow slot sorting machine 100 provided by the embodiment of the present application, which is not listed here.
Optionally, referring to fig. 2, in an embodiment of the present application, a plurality of first perforations 11011 may be distributed in an array on the upstream distribution plate 1101, and the first perforations 11011 may be penetrated by the sorting medium entering the upstream distribution box 120 through the upstream inlet interface 1201. A plurality of second through holes 11021 can be distributed on the arc-shaped section flow distribution plate 1102 in an array manner, and the second through holes 11021 can be penetrated by the sorting medium entering the upflow flow distribution box 120 through the upflow influent interface 1201. In this way, the stability of the rising flow can be further improved by the first perforation 11011 and the second perforation 11021 arranged in an array. Of course, in other embodiments of the present application, the first and second perforations 11011, 11021 may be arranged in other patterns.
Optionally, in an embodiment of the present application, N partition plates 1203 may be disposed in the upward flow distribution box 120, where N is a positive integer, the partition plates 1203 may be perpendicular to the sliding direction of the scraper 140, and the partition plates 1203 may divide the upward flow distribution box 120 into N +1 upward flow distribution chambers. In the embodiment of the present application, the number of the ascending inlet ports 1201 is not less than N +1, the number of the ascending outlet ports 1202 is not less than N +1, each ascending distribution chamber is communicated with at least one ascending inlet port 1201, and each ascending distribution chamber is communicated with at least one ascending outlet port 1202. In this way, the stability of the upward flow can be further improved by partitioning the upward flow distribution box 120.
Alternatively, referring to fig. 4 and 5, in an embodiment of the present application, three partition plates 1203 may be disposed in the upward flow distribution box 120, and the three partition plates 1203 divide the upward flow distribution box 120 into a first upward flow distribution chamber 1204, a second upward flow distribution chamber 1205, a third upward flow distribution chamber 1206, and a fourth upward flow distribution chamber 1207 in sequence. The number of the ascending inflow ports 1201 may be four, the number of the ascending outflow ports 1202 may be six, and the first ascending distribution chamber 1204, the second ascending distribution chamber 1205, the third ascending distribution chamber 1206, and the fourth ascending distribution chamber 1207 may be respectively communicated with one ascending inflow port 1201. The first rising distribution chamber 1204 and the fourth rising distribution chamber 1207 may be respectively communicated with one rising outlet port 1202, and the second rising distribution chamber 1205 and the third rising distribution chamber 1206 may be respectively communicated with two rising outlet ports 1202.
Referring to fig. 3, optionally, in an embodiment of the present application, the ascending inlet port 1201 may be funnel-shaped, and an opening of the ascending inlet port 1201 may face the ascending distribution box 120. The rising outflow interface 1202 may be funnel-shaped, and the opening of the rising outflow interface 1202 may face the rising distribution box 120. In this way, clogging of the sorted media at the upstream inlet 1201 or outlet 1202 can be avoided.
Referring to fig. 3, optionally, in an embodiment of the present application, the shallow trench sorter 100 may further include a horizontal flow regulating valve 150, and the upflow outflow interface 1202 may be connected to the horizontal flow distribution box 130 through the horizontal flow regulating valve 150. Thus, the horizontal flow regulating valve 150 can be used to regulate the flow rate of the horizontal flow, and the ratio of the ascending flow to the horizontal flow can be flexibly regulated.
Referring to fig. 6, optionally, in an embodiment of the present application, the horizontal flow distribution box 130 may be enclosed by a lower inclined plate 1301, an upper inclined plate 1302, a left side plate 1303 and a right side plate 1304. In an embodiment of the present application, the upper inclined plate 1302, the left side plate 1303, and the right side plate 1304 may constitute a feed chute 1104.
Referring to fig. 3 and 6, optionally, in an embodiment of the present application, shallow trench sorter 100 may further include horizontal flow regulating valve 150 and communication conduit 160. The ascending discharge port 1202 and the horizontal flow distribution box 130 may be connected by a communication pipe 160, the horizontal flow regulating valve 150 may be disposed on the communication pipe 160, and an outlet end of the communication pipe 160 may penetrate the lower inclined plate 1301 and communicate with the horizontal flow distribution box 130.
Referring to fig. 2 and 4, alternatively, in the embodiment of the present application, the number of the scrapers 140 may be multiple, and the shallow slot sorter 100 may further include two end-to-end drive chains 1701 and a plurality of sprockets 1702. The plurality of sprockets 1702 are rotatably disposed on two opposite side surfaces of the case 110 perpendicular to the sliding direction of the scrapers 140, two drive chains 1701 are drivingly coupled to the sprockets 1702 disposed on one side surface of the case 110, and two ends of the plurality of scrapers 140 are coupled to one drive chain 1701, respectively. In this way, the plurality of scrapers 140 can be driven to rotate circularly by the driving chain 1701, so that the plurality of scrapers 140 can slide on the up-flow distribution plate 1101 and the arc-shaped section distribution plate 1102.
In this way, in the embodiment of the present application, the sorting medium may be introduced into the upflow distribution box 120 in the horizontal direction, the sorting medium may flow through the upflow distribution plate 1101 and the arc-shaped section distribution plate 1102 in the vertical direction to form an upflow, the sorting medium may be maintained in a suspended state without substantially generating a sedimentation phenomenon, and the sorting medium may be used to stratify the sorted material that is put into the shallow groove sorter 100 through the feeding chute 1104 according to the archimedes principle. The portion of the sort medium that is introduced into the upflow distribution box 120 may enter the horizontal distribution box 130 through the upflow material interface 1202 to form a horizontal flow, which may cause the sort material floating on the upper layer to move symmetrically and be discharged from the discharge chute 1105. The scraper 140 can slide on the upwash flow distribution plate 1101 and the arc-shaped section flow distribution plate 1102, and can push the sorted materials sinking at the bottom to the gangue discharge chute 1103 for discharge. In addition, in the embodiment of the present application, since the sorting medium may be introduced into the upward flow distribution box 120 in the horizontal direction and the upward flow is formed in the vertical direction, the stability of the upward flow may be improved, and the problem that the sorting accuracy is affected by the turbulence of the upward flow may be improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the embodiments of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The shallow slot separator is characterized by comprising a box body (110), an upward flow distribution box (120), a horizontal flow distribution box (130) and a scraper (140);
an up-flow distribution plate (1101) and an arc-shaped section distribution plate (1102) are sequentially arranged at the bottom of the box body (110), a gangue discharge chute (1103) is arranged at one side, close to the arc-shaped section distribution plate (1102), of the box body (110), the scraper (140) can slide on the up-flow distribution plate (1101) and the arc-shaped section distribution plate (1102), and a feeding chute (1104) and a discharging chute (1105) are respectively arranged on two opposite side surfaces, perpendicular to the sliding direction of the scraper (140), of the box body (110);
the up-flow distribution box (120) is disposed below the up-flow distribution plate (1101) and the segmental arc distribution plate (1102), and the up-flow distribution box (120) covers the up-flow distribution plate (1101) and the segmental arc distribution plate (1102), the horizontal flow distribution box (130) is located below the feeding chute (1104);
two opposite side surfaces of the ascending flow distribution box (120) perpendicular to the sliding direction of the scraper (140) are respectively provided with an ascending inflow interface (1201) and an ascending outflow interface (1202), and the ascending outflow interface (1202) is connected with the horizontal flow distribution box (130);
the ascending inflow port (1201) is funnel-shaped, and the opening of the ascending inflow port (1201) faces the ascending flow distribution box (120); the upward flow discharging interface (1202) is funnel-shaped, the opening of the upward flow discharging interface (1202) faces the upward flow distributing box (120),
the shallow slot separator also comprises a horizontal flow regulating valve (150), and the ascending flow outlet interface (1202) is connected with the horizontal flow distribution box (130) through the horizontal flow regulating valve (150).
2. The shallow slot sorter of claim 1 wherein a plurality of first perforations (11011) are distributed in an array on the upflow distribution plate (1101), said first perforations (11011) being traversed by the sort media entering the upflow distribution box (120) from the upflow influent interface (1201); a plurality of second through holes (11021) are distributed on the arc-shaped section flow distribution plate (1102) in an array mode, and sorting media entering the upflow flow distribution box (120) from the upflow inflow port (1201) pass through the second through holes (11021).
3. The shallow slot sorting machine according to claim 1, wherein N partition plates (1203) are provided in the rising flow distribution box (120), where N is a positive integer, the partition plates (1203) are perpendicular to the sliding direction of the scraper (140), and the partition plates (1203) partition the rising flow distribution box (120) into N +1 rising flow distribution chambers; the number of the ascending inflow interfaces (1201) is not less than N +1, the number of the ascending outflow interfaces (1202) is not less than N +1, each ascending outflow distribution chamber is at least communicated with one ascending inflow interface (1201), and each ascending outflow distribution chamber is at least communicated with one ascending outflow interface (1202).
4. The shallow slot sorter according to claim 3 wherein three partition plates (1203) are provided in the upflow distribution box (120), the three partition plates (1203) partitioning the upflow distribution box (120) into a first upflow distribution chamber (1204), a second upflow distribution chamber (1205), a third upflow distribution chamber (1206), and a fourth upflow distribution chamber (1207) in this order; the number of the ascending inflow interfaces (1201) is four, the number of the ascending outflow interfaces (1202) is six, the first ascending flow distribution chamber (1204), the second ascending flow distribution chamber (1205), the third ascending flow distribution chamber (1206) and the fourth ascending flow distribution chamber (1207) are respectively communicated with one ascending inflow interface (1201), the first ascending flow distribution chamber (1204) and the fourth ascending flow distribution chamber (1207) are respectively communicated with one ascending outflow interface (1202), and the second ascending flow distribution chamber (1205) and the third ascending flow distribution chamber (1206) are respectively communicated with two ascending outflow interfaces (1202).
5. The shallow slot sorter of claim 1 wherein the horizontal flow distribution box (130) is enclosed by a lower inclined plate (1301), an upper inclined plate (1302), a left side plate (1303) and a right side plate (1304).
6. The shallow slot separator of claim 5 further comprising a horizontal flow regulating valve (150) and a communication duct (160), wherein the upflow discharge port (1202) is connected to the horizontal flow distribution box (130) through the communication duct (160), the horizontal flow regulating valve (150) is disposed on the communication duct (160), and an outlet end of the communication duct (160) penetrates through the lower inclined plate (1301) and communicates with the horizontal flow distribution box (130).
7. The shallow slot sorter of claim 5 wherein the upper inclined plate (1302), the left side plate (1303) and the right side plate (1304) comprise the feed chute (1104).
8. The shallow slot classifier of claim 1 wherein the number of said scraper (140) is plural, said shallow slot classifier further comprising two end-to-end connected drive chains (1701) and a plurality of sprockets (1702), said plurality of sprockets (1702) being rotatably disposed on two opposite side surfaces of said box (110) perpendicular to the sliding direction of said scraper (140), said two drive chains (1701) being drivingly connected to said sprocket (1702) disposed on one side surface of said box (110), and said plurality of scrapers (140) being connected at both ends to one drive chain (1701).
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CN211275003U (en) * | 2019-10-31 | 2020-08-18 | 山西晋城无烟煤矿业集团有限责任公司 | Heavy-medium shallow-groove separator for re-separating washed gangue |
CN111495570A (en) * | 2020-03-23 | 2020-08-07 | 天津中新智冠信息技术有限公司 | Automatic rotating speed adjusting device and method for shallow groove scraper |
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