Coal washing screening device with anti-blocking function
By introducing a bidirectional screw and hopper structure into the coal washing and screening device, the coal clogging problem was solved, and dust pollution was addressed through a dust collection box and dust extraction system, achieving the effects of anti-clogging and dust removal, thus improving the efficiency and safety of coal washing and screening.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-24
AI Technical Summary
In the operation of existing coal washing and screening equipment, the coal particles are of different sizes and the fixed feed inlet is prone to accumulation and blockage, which affects the screening speed.
A coal washing and screening device with anti-clogging function was designed. It adopts a bidirectional screw and hopper structure, and prevents clogging by adjusting the hopper spacing. It also reduces dust floating by using a dust collection box and dust collection system.
It effectively prevents coal blockage, improves screening efficiency, reduces dust pollution, and enhances the safety and flexibility of the equipment.
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Figure CN224025670U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to coal processing technical field, specifically is a kind of coal washing screening device with anti-blocking function. BACKGROUND
[0002] In coal washing and dressing processing industry, coal washing screening device is the core equipment of pretreatment link, and undertakes the important task of classifying raw coal according to particle size.
[0003] Coal washing screening device is mainly composed of rack and screening mechanism, in use, by pouring coal from the feed inlet into the screening mechanism, then the clay and coal slime mixed in coal are removed by the vibration of screening mechanism, so that coal washing operation can be realized.
[0004] However, in the prior art, coal washing screening device is found in use, because the size of coal particles is not the same, but the size of feed inlet is usually fixedly set, so that when pouring coal into screening mechanism, coal is prone to be accumulated and blocked, it is difficult to enter screening mechanism, so that the coal washing screening speed of coal is affected, therefore, aiming at the above problems, a coal washing screening device with anti-blocking function is provided. INVENTION CONTENTS
[0005] In order to make up for the deficiencies of prior art and solve at least one technical problem proposed in the background art, the utility model provides a coal washing screening device with anti-blocking function.
[0006] The utility model discloses a coal washing screening device with anti-blocking function, including coal washing screening device body, the coal washing screening device body side wall is fixedly connected with drive motor, the drive motor output is fixedly connected with the rotating roller, the rotating roller penetrates the coal washing screening device body wall and is rotationally connected with it, the rotating roller side wall is set with the slot, the slot side wall is rotationally connected with the bidirectional screw rod, the bidirectional screw rod penetrates the rotating roller wall and is rotationally connected with it, the bidirectional screw rod end is fixedly connected with the rotating disc, the bidirectional screw rod side wall is screw-connected with a pair of connecting blocks, the connecting block is symmetrically arranged on the both sides of bidirectional screw rod and same structure, the connecting block side wall is fixedly connected with a plurality of sliding plates, the sliding plate is uniformly distributed on the connecting block side wall and same structure, the sliding plate side wall is fixedly connected with hopper, and the sliding plate and slot are slidingly matched.
[0007] Preferably, the coal washing screening device body side wall is fixedly connected with dust collection box, the dust collection box side wall is fixedly connected with air pump, one end of the air pump is fixedly connected with exhaust pipe, the other end of the air pump is fixedly connected with dust suction pipe, and the dust suction pipe end is fixedly connected with dust suction cover.
[0008] Preferably, the inside wall of the dust suction pipe is rotationally connected with a spiral impeller; the spiral impeller is fixedly connected with a pair of cleaning brush plates on the side wall; the cleaning brush plates are symmetrically arranged on both sides of the spiral impeller and are identical in structure; and the cleaning brush plates are fixedly connected with connecting rods on the side wall.
[0009] Preferably, the inside wall of the dust collecting box is fixedly connected with a pair of connecting ropes symmetrically; and the connecting ropes are fixedly connected with the same floating plate at the end.
[0010] Preferably, the side wall of the dust suction cover is fixedly connected with a plurality of elastic rods; the elastic rods are uniformly distributed on the side wall of the dust suction cover and are identical in structure; and the elastic rods are fixedly connected with rubber balls at the end.
[0011] Preferably, the slotted side wall is uniformly fixedly connected with a plurality of sealing strips.
[0012] The beneficial effects of the present application are as follows:
[0013] 1. The coal washing and screening device with the anti-blocking function, through the bidirectional screw rod and the hopper, the anti-blocking effect of coal when pouring into the coal washing and screening device body is achieved, the blocking caused by too much coal entering at one time is reduced, the adjusting effect of the amount of entering coal is achieved by moving the connecting block, and the flexibility of the hopper in use is improved.
[0014] 2. The coal washing and screening device with the anti-blocking function, through the dust collecting box, the dust removal effect of the coal washing and screening device body during work is achieved, the dust floating in the surrounding air is reduced, and the safety effect of the coal washing and screening device body in use is increased. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application. In the drawings:
[0016] Figure 1 is a perspective view of the present application;
[0017] Figure 2 is a perspective view of the hopper in the present application;
[0018] Figure 3 is a perspective view of the dust suction pipe in the present application;
[0019] Figure 4 is Figure 3 is a local enlarged view of A in the present application.
[0020] LEGEND:
[0021] 1, coal washing and screening device body; 11, drive motor; 12, roller; 13, slot; 14, bidirectional screw; 15, turntable; 16, connecting block; 17, slide plate; 18, hopper; 2, dust collection box; 21, air pump; 22, exhaust pipe; 23, dust suction pipe; 24, dust suction cover; 3, spiral impeller; 31, cleaning brush plate; 32, connecting rod; 4, connecting rope; 41, floating plate; 5, elastic rod; 51, rubber ball; 6, sealing strip. DETAILED DESCRIPTION
[0022] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] Specific embodiments are given below.
[0024] Please refer to Figures 1-4The utility model provides a coal washing and screening device with anti -blocking function, including coal washing and screening device body 1, the side wall of coal washing and screening device body 1 is fixed with drive motor 11, the output of drive motor 11 is fixed with the rotation roller 12, the rotation roller 12 is through the wall of coal washing and screening device body 1 and is rotatably connected with it, the side wall of rotation roller 12 is seted up with the slot 13, the side wall of slot 13 is rotatably connected with the two -way screw rod 14, the two -way screw rod 14 is through the wall of rotation roller 12 and is rotatably connected with it, the end of two -way screw rod 14 is fixed with the turntable 15, the side wall of two -way screw rod 14 is connected with a pair of connecting blocks 16, the connecting block 16 is symmetrically arranged on the both sides of two -way screw rod 14 and is same in structure, the side wall of connecting block 16 is fixed with a plurality of sliding plates 17, the sliding plate 17 is evenly distributed on the side wall of connecting block 16 and is same in structure, the side wall of sliding plate 17 is fixed with the hopper 18, the sliding plate 17 and slot 13 are slidingly matched, when using, first hold the turntable 15 and rotate, under the thread cooperation of two -way screw rod 14 and connecting block 16, can make connecting block 16 close to each other or away from each other, adjust the interval of both sides hopper 18, make sliding plate 17 slide on the side wall of slot 13, thereby can play the blocking of the coal amount, then start drive motor 11, utilize drive motor 11 to drive rotation roller 12 to rotate, along with the rotation of hopper 18, when coal is poured into coal washing and screening device body 1, part of coal will enter the hopper 18, utilize hopper 18 to collect coal, and another part of coal will enter coal washing and screening device body 1, utilize coal washing and screening device body 1 to screen first, then along with the gradual rotation of rotation roller 12, hopper 18 can pour out coal, make it can batch screening coal, in the process, can play the anti -blocking effect of coal when pouring into coal washing and screening device body 1, reduce the blocking caused by more coal entering at a time, simultaneously utilize the adjusting effect of the amount of entering coal of connecting block 16 movement, improve the flexibility of hopper 18 when using.
[0025] Further, as shown in Figures 1-4 The side wall of coal washing and screening device body 1 is fixedly connected with a dust collecting box 2; the side wall of dust collecting box 2 is fixedly connected with a gas pump 21; one end of gas pump 21 is fixedly connected with an exhaust pipe 22; the other end of gas pump 21 is fixedly connected with a dust suction pipe 23; the end of dust suction pipe 23 is fixedly connected with a dust suction hood 24; when using, first inject a certain amount of water into dust collecting box 2, then start gas pump 21, at this time, dust suction pipe 23 can be used for dust collection, and dust suction hood 24 can increase the dust suction range, so that the dust generated by coal washing and screening device body 1 during work is transported into dust collecting box 2 through exhaust pipe 22, so that the dust is mixed with water, and the gas is discharged outside through the water body, in the process, the dust removal effect of coal washing and screening device body 1 during work can be achieved, the dust floating in the surrounding air is reduced, and the safety effect of coal washing and screening device body 1 during use is improved.
[0026] Further, as shown in Figures 1-4 The inner wall of the dust collection pipe 23 is rotatably connected with a spiral impeller 3; one pair of cleaning brush plates 31 is fixedly connected to the side wall of the spiral impeller 3; the cleaning brush plates 31 are symmetrically arranged on both sides of the spiral impeller 3 and have the same structure; the connecting rods 32 are fixedly connected to the side wall of the cleaning brush plates 31; in use, when the airflow enters the dust collection pipe 23, it passes through the spiral impeller 3, and the airflow impact can drive the spiral impeller 3 to rotate, at this time, the cleaning brush plates 31 can move on the surface of the dust cover 24, so as to clean the inner side wall of the dust cover 24 and sweep away the attached dust; at the same time, the connecting rods 32 can be fixedly connected to the multiple bristles on the side wall of the cleaning brush plates 31, so that they are concentrated together during cleaning; in this process, the cleaning effect of the dust attached to the inner side wall of the dust cover 24 can be achieved, the corrosion of the dust cover 24 caused by long-term attachment of the dust can be reduced, the flow of the airflow can be increased, and the concentration of the bristles on the side wall of the cleaning brush plates 31 during cleaning can be increased, thereby improving the cleaning effect.
[0027] Further, as shown in Figures 1-4 The inner side wall of the dust collection box 2 is fixedly connected with one pair of connecting ropes 4; the same floating plate 41 is fixedly connected to the end of the connecting rope 4; in use, the floating force of the floating plate 41 limits the movement range of the connecting rope 4 relative to the floating plate 41, so that the floating plate 41 can float on the water surface; then, when the exhaust pipe 22 discharges the gas into the dust collection box 2, the floating plate 41 can reduce the degree of water turbulence and prevent water from splashing outside; in this process, the anti-splashing effect of the water in the dust collection box 2 can be achieved, the protection effect of the dust collection box 2 can be improved, and the occurrence of water turbulence in the dust collection box 2 can be reduced.
[0028] Further, as shown in Figures 1-4 The side wall of the dust cover 24 is fixedly connected with multiple elastic rods 5; the elastic rods 5 are uniformly distributed on the side wall of the dust cover 24 and have the same structure; the rubber balls 51 are fixedly connected to the ends of the elastic rods 5; in use, the rotation of the cleaning brush plates 31 can cause the elastic rods 5 to collide with the wall of the rubber balls 51 and deform, and the collision can produce a certain vibration effect to shake off the dust attached to the surface of the cleaning brush plates 31; in this process, the cleaning effect of the dust attached to the surface of the cleaning brush plates 31 can be achieved, the subsequent cleaning effect of the cleaning brush plates 31 can be improved, and the attachment of the dust on the surface of the dust cover 24 can be reduced, thereby improving the flow of the airflow.
[0029] Further, as shown in Figures 1-4As shown, the slotted 13 side wall is uniformly fixed with a plurality of sealing strip 6; in use, the sealing strip 6 is sealed by merging with each other, which can block the dust into the slot 13, and the sliding plate 17 can extrude the sealing strip 6 when moving, which can be opened, which can play a dustproof role in the slot 13, reduce the entry of dust, and further increase the smoothness of the moving of the connecting block 16, while reducing the corrosion caused by the long-term adhesion of the dust to the bidirectional screw 14.
[0030] Working principle: in use, first hold the rotating disc 15 and rotate, under the thread cooperation of the bidirectional screw 14 and the connecting block 16, the connecting block 16 can be close to or away from each other, the distance between the two side hoppers 18 is adjusted, the sliding plate 17 slides on the side wall of the slot 13, so as to block the amount of coal, then start the driving motor 11, drive the rotating roller 12 to rotate, when the hopper 18 rotates, part of the coal will enter the hopper 18, the hopper 18 is used to collect coal, and another part of the coal will enter the coal washing and screening device body 1, which is first screened by the coal washing and screening device body 1, then the hopper 18 can pour out the coal as the rotating roller 12 rotates gradually, so that the coal can be screened in batches, in use, first inject a certain amount of water into the dust collecting box 2, then start the air pump 21, at this time, the dust suction pipe 23 can be used for dust collection, and the dust suction cover 24 can increase the dust suction range, so that the dust generated by the coal washing and screening device body 1 during work is transported into the dust collecting box 2 through the exhaust pipe 22, so that the dust is mixed with water, and the gas is discharged outside, in use, when the air flow enters the dust suction pipe 23, it will pass through the spiral impeller 3, which can be driven by the impact of air flow, so that the cleaning brush plate 31 moves on the surface of the dust suction cover 24, so as to clean the inner wall of the dust suction cover 24, and the dust adhered to the surface of the cleaning brush plate 31 is swept away, and the connecting rod 32 can be fixedly connected with the plurality of bristles on the side wall of the cleaning brush plate 31, so that they are concentrated together during cleaning, in use, the buoyancy of the floating plate 41 limits the movement range of the connecting rope 4, so that it floats on the water surface, then when the exhaust pipe 22 discharges gas into the dust collecting box 2, the floating plate 41 can block the water from spattering outside, in use, the rotating cleaning brush plate 31 can collide with the wall of the rubber ball 51, so that the elastic rod 5 is deformed, at this time, the dust adhered to the surface of the cleaning brush plate 31 is shaken off by the vibration effect generated by the mutual impact, in use, the sealing strip 6 is sealed by merging with each other, which can block the dust into the slot 13, and the sliding plate 17 can extrude the sealing strip 6 when moving, which can be opened.
[0031] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A coal washing and screening device with anti-blocking function, comprising a coal washing and screening device body (1); characterized in that: The coal washing and screening device body (1) is provided with a driving motor (11) on the side wall; the output end of the driving motor (11) is fixedly connected with a rotating roller (12); the rotating roller (12) penetrates the wall of the coal washing and screening device body (1) and is rotatably connected therewith; a slot (13) is formed in the side wall of the rotating roller (12); a bidirectional screw rod (14) is rotatably connected to the side wall of the slot (13); the bidirectional screw rod (14) penetrates the wall of the rotating roller (12) and is rotatably connected therewith; a rotating disc (15) is fixedly connected to the end of the bidirectional screw rod (14); a pair of connecting blocks (16) are threadedly connected to the side wall of the bidirectional screw rod (14); the connecting blocks (16) are symmetrically arranged on both sides of the bidirectional screw rod (14) and have the same structure; a plurality of sliding plates (17) are fixedly connected to the side wall of the connecting blocks (16); the sliding plates (17) are uniformly distributed on the side wall of the connecting blocks (16) and have the same structure; a hopper (18) is fixedly connected to the side wall of the sliding plate (17); and the sliding plate (17) is in sliding fit with the slot (13).
2. The coal washing and sizing device with anti-blocking function according to claim 1, characterized in that: The coal washing and screening device body (1) is provided with a dust collecting box (2) on the side wall; the dust collecting box (2) is fixedly connected with a gas pump (21) on the side wall; one end of the gas pump (21) is fixedly connected with an exhaust pipe (22); the other end of the gas pump (21) is fixedly connected with a dust suction pipe (23); and the dust suction pipe (23) is fixedly connected with a dust suction cover (24) at the end.
3. The coal washing and sizing device with anti-blocking function according to claim 2, characterized in that: A spiral impeller (3) is rotatably connected to the inner side wall of the dust suction pipe (23); a pair of cleaning brush plates (31) are fixedly connected to the side wall of the spiral impeller (3); the cleaning brush plates (31) are symmetrically arranged on both sides of the spiral impeller (3) and have the same structure; and a connecting rod (32) is fixedly connected to the side wall of the cleaning brush plate (31).
4. The coal washing and sizing device with anti-blocking function according to claim 2, characterized in that: A pair of connecting ropes (4) are symmetrically fixedly connected to the inner side wall of the dust collecting box (2); and the same floating plate (41) is fixedly connected to the ends of the connecting ropes (4).
5. The coal washing and sizing device with anti-blocking function according to claim 2, characterized in that: A plurality of elastic rods (5) are fixedly connected to the side wall of the dust suction cover (24); the elastic rods (5) are uniformly distributed on the side wall of the dust suction cover (24) and have the same structure; and rubber balls (51) are fixedly connected to the ends of the elastic rods (5).
6. The coal washing and sizing device with anti-blocking function according to claim 1, characterized in that: A plurality of sealing strips (6) are uniformly fixedly connected to the side wall of the slot (13).