Clean coal slime recycling screen device

Abstract

The utility model relates to the technical field of clean coal recycling, in particular to a clean coal slime recycling screen device which comprises a dewatering screen frame, a feeding hopper is arranged at the left end of the top of the dewatering screen frame, a dewatering screen is arranged at the lower end of an inner cavity of the dewatering screen frame, and the left end of the inner cavity of the dewatering screen frame is movably connected with a dispersing shaft through a bearing. The outer surface, located in an inner cavity of the dewatering screen frame, of the dispersing shaft is fixedly connected with dispersing teeth, an L-shaped fixing frame is fixedly installed at the left end of the front face of the dewatering screen frame, and a driving motor is fixedly installed on the front face of the L-shaped fixing frame. Under the action of the driving motor, the dispersing shaft and the dispersing teeth, the device has the advantages of scattering structure, high dehydration efficiency and good dehydration effect, and solves the problems that the scattering structure is lacked in the feeding channel, coarse slime is high in viscosity and high in moisture content and is easy to cake, and the dehydration efficiency and the dehydration effect of the dehydration screen are influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fine coal recovery technical field, concretely is a fine coal slime recovery screen device. BACKGROUND

[0002] Fine coal slime refers to high-quality coal slime separated from coal slime in the coal washing process through flotation process. When fine coal slime is treated by a flotation machine, hydrophobic coal particles adhere to bubbles due to adsorption of collecting agent, are taken to the ore pulp surface to gather into a mineralized froth layer, and are finally scraped as fine coal slime.

[0003] At present, the utility model patent with the publication number CN221288228U discloses a coarse coal slime recovery fine coal device, which comprises a dehydration screen device, a square support frame, a material conveying passage support assembly, a material conveying passage, a thickening hydrocyclone support frame assembly, a thickening hydrocyclone, a protruding block and a supporting plate. The utility model recovers fine coal in coarse coal slime by using a dehydration device and a screening device, which is simple to operate, reduces the difficulty of recovering fine coal, improves the precision of recovered fine coal, avoids the loss of a large amount of coal, saves a large amount of working time, and improves work efficiency.

[0004] However, when coarse coal slime is added to the dehydration device through the dehydration screen feed passage, the feed passage lacks a dispersing structure, and the high viscosity and high moisture content of coarse coal slime lead to easy caking, which affects the dehydration efficiency and effect of the dehydration screen. Therefore, we propose a fine coal slime recovery screen device. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a fine coal slime recovery screen device, which has the advantages of a dispersing structure, high dehydration efficiency and good effect, and solves the problem of the lack of a dispersing structure in the feed passage, the high viscosity and high moisture content of coarse coal slime leading to easy caking, and the influence of the dehydration efficiency and effect of the dehydration screen.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fine coal slime recovery screen device, which comprises a dehydration screen frame, a feed hopper is arranged at the left end of the top of the dehydration screen frame, a dehydration screen mesh is arranged at the lower end of the inner cavity of the dehydration screen frame, a dispersing shaft is movably connected to the left end of the inner cavity of the dehydration screen frame through a bearing, dispersing teeth are fixedly connected to the outer surface of the dispersing shaft in the inner cavity of the dehydration screen frame, an L-shaped fixing bracket is fixedly installed at the left end of the front of the dehydration screen frame, a driving motor is fixedly installed on the front of the L-shaped fixing bracket, and the output end of the driving motor is fixedly connected with the dispersing shaft.

[0007] Preferably, rubber springs are fixedly installed at the left and right ends of the bottom of the dehydration screen frame, and a bearing plate is fixedly installed at the bottom of the rubber spring.

[0008] Preferably, the front and rear ends of the top of the dewatering screen frame are fixedly provided with vibration motors, and the right end of the bottom of the dewatering screen and the right end of the dewatering screen frame are fixedly connected with a dewatering discharge hopper.

[0009] Preferably, the front and rear sides of the left end of the dewatering screen frame are movably connected with auxiliary shafts through bearings, the outer surface of the auxiliary shaft is fixedly provided with a driving sprocket and an auxiliary gear from outside to the dewatering screen frame surface in sequence, the middle ends of the front and rear sides of the dewatering screen frame are movably connected with driven shafts through bearings, the driven shaft located on one side of the dewatering screen frame is fixedly connected with a driving disc, the side of the driving disc away from the driven shaft is fixedly connected with a guide pin rod, the side of the driven shaft away from the dewatering screen frame is fixedly provided with a driven sprocket, and the outer sides of the driven sprocket and the driving sprocket are provided with a chain.

[0010] Preferably, the front and rear ends of the outer surface of the dispersion shaft are fixedly provided with driving gears, and the driving gears and the auxiliary gears are engaged.

[0011] Preferably, the front and rear ends of the inner cavity of the dewatering screen frame are provided with movable plates, a plurality of equidistantly distributed connecting rods are fixedly connected between the two movable plates, the top of the connecting rod is fixedly connected with a plurality of meshing needle rods corresponding to the mesh of the dewatering screen, and the middle end of the side of the movable plate is provided with a guide rail groove matched with the guide pin rod.

[0012] Preferably, the left and right ends of the front and rear sides of the inner cavity of the dewatering screen frame are provided with limiting sliding grooves, and the left and right ends of the side of the movable plate are fixedly connected with limiting sliding blocks sliding in the limiting sliding grooves.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a driving motor is opened through the external controller, drives the dispersion shaft and dispersion tooth to rotate, and then can play the condition of beating apart to the coarse coal mud added from the feeding hopper, avoids the condition that a large number of lumps appear before dewatering screening, guarantees the dewatering efficiency and effect of the dewatering screen.

[0015] 2. The utility model discloses a dispersion axle rotates, and the dispersion axle will drive the gear rotation of driving, and the driving gear of rotation can drive the auxiliary shaft rotation of auxiliary gear through meshing connection, and the auxiliary shaft rotates and can drive the driving sprocket of rotation under the cooperation of chain and driven sprocket, and the driving shaft of rotation will drive the driving disc and the guide pin rod rotation, when the guide pin rod slides in the guide rail groove, and under the auxiliary of limiting slide block sliding in the limiting sliding slot, the guide pin rod can drive the synchronous up-down movement of the connecting rod and the net needle rod of plurality through the movable plate, and when the movable plate moves upwards, the net needle rod will be unblocked to the dehydration screen through the connecting rod, avoid the dehydration screen to appear the blockage in the dehydration screening process, influence the dehydration efficiency and effect of subsequent dehydration screen, make the device reach the dehydration efficiency high and the effectual purpose. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the first visual angle structure schematic drawing of the utility model;

[0017] Figure 2 It is the second visual angle structure schematic drawing of the utility model;

[0018] Figure 3 It is the third visual angle sectional structure schematic drawing of the utility model;

[0019] Figure 4 It is dehydration screen frame internal structure schematic drawing of the utility model.

[0020] In the drawing: 1, bearing plate;2, rubber spring;3, auxiliary gear;4, driving motor;5, L-shaped fixed frame;6, feed hopper;7, vibration motor;8, dehydration screen frame;9, dehydration screen;10, dehydration discharge hopper;11, driven sprocket;12, driving gear;13, auxiliary shaft;14, dispersion axle;15, connecting rod;16, driving sprocket;17, chain;18, driven shaft;19, net needle rod;20, movable plate;21, guide rail groove;22, guide pin rod;23, driving disc;24, dispersion tooth;25, limiting sliding slot;26, limiting slide block. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0022] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The terms "up", "down", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] The bearing plate 1, the rubber spring 2, the auxiliary gear 3, the driving motor 4, the L-shaped fixing frame 5, the feeding hopper 6, the vibration motor 7, the dehydration screen frame 8, the dehydration screen net 9, the dehydration lower hopper 10, the driven sprocket 11, the driving gear 12, the auxiliary shaft 13, the dispersion shaft 14, the connecting rod 15, the driving sprocket 16, the chain 17, the driven shaft 18, the net needle rod 19, the movable plate 20, the guide rail groove 21, the guide pin rod 22, the driving disc 23, the dispersion tooth 24, the limiting sliding groove 25 and the limiting sliding block 26 parts of the application are all general standard parts or parts known to those skilled in the art, and their structure and principle can be known by the technical personnel through the technical manual or through the conventional experimental method.

[0025] Example one

[0026] Please refer to Figures 1-4The utility model provides a technical scheme: a fine coal slime recovery screen device, including dehydration screen frame 8, dehydration screen frame 8 top's left end is provided with feed hopper 6, and the left and right two ends of dehydration screen frame 8 bottom are all fixedly installed with rubber spring 2, and the bottom of rubber spring 2 is fixedly installed with bearing plate 1, and the front and rear two ends of dehydration screen frame 8 top are all fixedly installed with vibration motor 7, and the right end of dehydration screen 9 bottom and the right end of dehydration screen frame 8 are fixedly connected with dehydration discharge hopper 10, and the lower end of dehydration screen frame 8 inner chamber is provided with dehydration screen 9, and the left end of dehydration screen frame 8 inner chamber is swingly connected with dispersion shaft 14 through bearing, and dispersion shaft 14 is fixedly connected with dispersion tooth 24 on the outer surface of dehydration screen frame 8 inner chamber, and the left end of the front of dehydration screen frame 8 is fixedly installed with L shape fixed support 5, and L shape fixed support 5's front is fixedly installed with drive motor 4, and the output of drive motor 4 and dispersion shaft 14 are fixedly connected.

[0027] The utility model discloses a technical scheme: through the setting of rubber spring 2 and bearing plate 1, can play the ability of stable support and buffer to dehydration screen frame 8, and vibration motor 7 drives dehydration screen frame 8 to vibrate, and dehydration screen frame 8 drives dehydration screen 9 to vibrate, then adds the coarse slime from feed hopper 6 to dehydration screen frame 8, and the moisture of coarse slime can be removed after the vibration of dehydration screen 9, then, through dehydration discharge hopper 10 and send into the material conveying channel, and when coarse slime is added from feed hopper 6 to dehydration screen frame 8, and the dispersion shaft 14 and dispersion tooth 24 are rotated by the opening drive motor 4 of external controller and then can play the condition of beating apart to the coarse slime of adding from feed hopper 6, avoid the condition of a large number of agglomerates before dehydration screening, guarantee the dehydration efficiency and effect of dehydration screen.

[0028] Example two

[0029] On the basis of example one, the utility model as Figures 1-4As shown, the front and rear sides of the left end of the dewatering screen frame 8 are movably connected with auxiliary shafts 13 through bearings, the outer surfaces of the auxiliary shafts 13 are sequentially and fixedly provided with drive sprockets 16 and auxiliary gears 3 outward from the surface of the dewatering screen frame 8, the middle ends of the front and rear sides of the dewatering screen frame 8 are movably connected with driven shafts 18 through bearings, the driven shafts 18 are fixedly connected with drive discs 23 on one side of the dewatering screen frame 8, the drive discs 23 are fixedly connected with guide pin rods 22 on the side away from the driven shafts 18, the side away from the dewatering screen frame 8 of the driven shafts 18 is fixedly provided with driven sprockets 11, the outer sides of the driven sprockets 11 and the drive sprockets 16 are sleeved with chains 17, the front and rear ends of the outer surfaces of the dispersion shafts 14 are fixedly provided with drive gears 12, the drive gears 12 and the auxiliary gears 3 are engaged, the front and rear ends of the inner cavities of the dewatering screen frame 8 are provided with movable plates 20, a plurality of equidistantly distributed connecting rods 15 are fixedly connected between the two movable plates 20, the top of the connecting rod 15 is fixedly connected with a plurality of net-penetrating needle rods 19 corresponding to the mesh of the dewatering screen 9, the middle end of the side of the movable plate 20 is provided with a guide rail groove 21 matched with the guide pin rod 22, the left and right ends of the front and rear sides of the inner cavities of the dewatering screen frame 8 are provided with limiting sliding grooves 25, and the left and right ends of the side of the movable plate 20 are fixedly connected with limiting sliding blocks 26 sliding in the limiting sliding grooves 25.

[0030] The technical scheme: when the dispersion shaft 14 rotates, the dispersion shaft 14 drives the drive gear 12 to rotate, the rotating drive gear 12 drives the auxiliary shaft 13 to rotate through the engaged auxiliary gear 3 (realizing rotational speed reduction, such as Figure 4 ), the auxiliary shaft 13 drives the drive sprocket 16 to rotate, and under the cooperation of the chain 17 and the driven sprocket 11, the driven shaft 18 is driven to rotate, and the rotating driven shaft 18 drives the drive disc 23 and the guide pin rod 22 to rotate, when the guide pin rod 22 slides in the guide rail groove 21, and under the assistance of the limiting sliding block 26 sliding in the limiting sliding groove 25, the guide pin rod 22 can drive the multiple connecting rods 15 and the net-penetrating needle rods 19 to move up and down synchronously through the movable plate 20, when the movable plate 20 moves up, the net-penetrating needle rods 19 are driven to pass through the connecting rods 15 to dredge the dewatering screen 9, avoid the dewatering screen 9 from being blocked during the dewatering screening process, affect the dewatering efficiency and effect of the subsequent dewatering screen, so that the device achieves the purposes of high dewatering efficiency and good effect.

[0031] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0032] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0033] Finally, it should be noted that the above-mentioned embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the protective scope of the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A clean coal slime recovery screen apparatus comprising a dewatering screen frame (8) characterised in that: The left end of the top of the dehydration screen frame (8) is provided with a feeding hopper (6), the lower end of the inner cavity of the dehydration screen frame (8) is provided with a dehydration screen (9), the left end of the inner cavity of the dehydration screen frame (8) is movably connected with a dispersion shaft (14) through a bearing, the outer surface of the dispersion shaft (14) is fixedly connected with dispersion teeth (24), the left end of the front of the dehydration screen frame (8) is fixedly installed with an L-shaped fixing frame (5), the front of the L-shaped fixing frame (5) is fixedly installed with a driving motor (4), and the output end of the driving motor (4) is fixedly connected with the dispersion shaft (14).

2. A fine coal recovery screen apparatus as claimed in claim 1, wherein: The left end of the top of the dehydration screen frame (8) is provided with a feeding hopper (6), the lower end of the inner cavity of the dehydration screen frame (8) is provided with a dehydration screen (9), the left end of the inner cavity of the dehydration screen frame (8) is movably connected with a dispersion shaft (14) through a bearing, the outer surface of the dispersion shaft (14) is fixedly connected with dispersion teeth (24), the left end of the front of the dehydration screen frame (8) is fixedly installed with an L-shaped fixing frame (5), the front of the L-shaped fixing frame (5) is fixedly installed with a driving motor (4), and the output end of the driving motor (4) is fixedly connected with the dispersion shaft (14).

3. A fine coal recovery screen apparatus as claimed in claim 1, wherein: The front and rear ends of the top of the dehydration screen frame (8) are both fixedly installed with a vibration motor (7), and the right end of the bottom of the dehydration screen (9) and the right end of the dehydration screen frame (8) are fixedly connected with a dehydration discharge hopper (10).

4. The fine coal recovery screen apparatus of claim 1, wherein: The front and rear sides of the left end of the dehydration screen frame (8) are both movably connected with an auxiliary shaft (13) through a bearing, the outer surface of the auxiliary shaft (13) is fixedly installed with a driving sprocket (16) and an auxiliary gear (3) outward from the surface of the dehydration screen frame (8) in sequence, the middle ends of the front and rear sides of the dehydration screen frame (8) are both movably connected with a driven shaft (18) through a bearing, the driven shaft (18) is fixedly connected with a driving disc (23) on one side of the dehydration screen frame (8), the side, away from the driven shaft (18), of the driving disc (23) is fixedly connected with a guide pin rod (22), the side, away from the dehydration screen frame (8), of the driven shaft (18) is fixedly installed with a driven sprocket (11), and the outer sides of the driven sprocket (11) and the driving sprocket (16) are sleeved with a chain (17).

5. The fine coal recovery screen apparatus of claim 1, wherein: The front and rear ends of the outer surface of the dispersion shaft (14) are both fixedly installed with a driving gear (12), and the driving gear (12) is engaged with the auxiliary gear (3).

6. A fine coal recovery screen apparatus as claimed in claim 1, wherein: The front and rear ends of the inner cavity of the dehydration screen frame (8) are both provided with a movable plate (20), a plurality of equidistantly distributed connecting rods (15) are fixedly connected between the two movable plates (20), the top of each connecting rod (15) is fixedly connected with a plurality of meshing needles (19) corresponding to the mesh holes of the dehydration screen (9), and the middle end of one side of the movable plate (20) is provided with a guide rail groove (21) matched with the guide pin rod (22).

7. A fine coal recovery screen apparatus as claimed in claim 6, wherein: The left and right ends of the front and rear sides of the inner cavity of the dehydration screen frame (8) are both provided with a limiting sliding groove (25), and the left and right ends of one side of the movable plate (20) are both fixedly connected with limiting sliding blocks (26) sliding in the limiting sliding grooves (25).

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