Sludge dewatering spiral press not easy to block

Abstract

The utility model relates to a kind of sludge dewatering spiral machine of sludge outlet not easy to block, including spiral machine main body, the tail end of spiral machine main body is equipped with mud outlet, the lower portion of mud outlet is equipped with sludge tank, the inner side wall of sludge tank is connected with mounting bracket, mounting bracket is spaced apart and set in the above of sludge tank tank bottom, multiple first motor are connected on mounting bracket, first motor is all shaft connected with guide roller and is driven in cooperation, guide roller forms array along the front-back direction of mud outlet, push plate is connected on the circumference of guide roller, the length direction of guide roller's axis and push plate is all set along the left-right direction of mud outlet;Realized that the array formed by guide roller gradually contacts the slope surface formed by sludge accumulation, sludge is accumulated in the direction of moving away from mud outlet, improve the utilization of space in sludge tank, effectively avoid that sludge is accumulated too high under the mud outlet of spiral machine main body and cause blockage.

Description

Technical Field

[0001] This utility model relates to the field of screw press technology, and in particular to a sludge dewatering screw press that is not prone to clogging during sludge discharge. Background Technology

[0002] The screw press is used for sludge dewatering. Its main body consists of stacked fixed and moving rings with a spiral shaft running through them, forming a filter device. The front section is the thickening section, and the rear section is the dewatering section. The filter gaps between the fixed and moving rings, as well as the pitch of the spiral shaft, gradually decrease from the thickening section to the dewatering section. The spiral shaft continuously drives the rings to clean the filter gaps. The rotation of the spiral shaft, while propelling the sludge from the thickening section to the dewatering section, and the obstruction of the back pressure plate, generates significant internal pressure, continuously reducing the volume and achieving thorough dewatering. The inclined design of the spiral shaft improves dewatering efficiency and prevents water accumulation at the bottom of the filter device.

[0003] After the existing screw press has finished dewatering the sludge, most of the sludge discharged from the sludge discharge port at the back pressure plate is stored in the receiving container. However, due to the limited storage space of the receiving container and the fixed discharge position of the sludge, the sludge keeps accumulating in the same position below the sludge discharge port. Personnel need to constantly remove the material to fill the storage space below the sludge discharge port to prevent the discharge port of the device from becoming blocked, which is very inconvenient to operate.

[0004] Therefore, designing a sludge dewatering screw press that can adjust the sludge discharge direction and prevent all sludge from accumulating below the discharge port and is not prone to clogging has become an urgent technical problem to be solved. Summary of the Invention

[0005] To solve the above problems, this utility model provides a sludge dewatering screw press that is less prone to clogging during sludge discharge.

[0006] The technical solution of this utility model is a sludge dewatering screw press that is not prone to clogging. It includes a screw press body, a sludge discharge port at the tail end of the screw press body, a sludge trough below the sludge discharge port, and a mounting frame connected to the inner side wall of the sludge trough. The mounting frame is spaced above the bottom of the sludge trough, and multiple first motors are connected to the mounting frame. Each first motor is driven by a guide roller. The guide rollers are arranged in an array along the front-back direction of the sludge discharge port. A push plate is connected to the circumferential surface of the guide rollers. The axis of the guide rollers and the length direction of the push plate are both arranged along the left-right direction of the sludge discharge port.

[0007] With the above structure, after the sludge is dewatered by the screw press body, it is discharged from the sludge discharge port at the tail end and accumulates in the sludge trough below. By activating the first motor, the guide roller rotates, which in turn drives the push plate to rotate. When the push plate rotates below the guide roller, it continues to move away from the sludge discharge port. Once the sludge has accumulated to a certain height and formed a slope, the push plate, now below the guide roller, contacts the sludge slope, pushing the sludge away from the discharge port and sliding down to the bottom of the slope to re-accumulate. Simultaneously, a gap is created on the slope, causing the top of the accumulated sludge to collapse and fill the gap, thus reducing the height of the sludge accumulation peak. Space is left between the sludge discharge ports for new sludge to be discharged. An array of guide rollers is formed along the front and back direction of the sludge discharge ports. When the sludge that has slid to the bottom of the slope accumulates again to the point where it can contact the push plate, it is pushed by the push plate on the next guide roller in the array and piled up again in the direction away from the sludge discharge port until the sludge accumulates to the side of the sludge tank away from the sludge discharge port. This avoids the sludge from piling up too high and blocking the sludge discharge port. The array of guide rollers gradually contacts the slope formed by the sludge accumulation, pushing the sludge to accumulate in the direction away from the sludge discharge port, improving the utilization rate of the space in the sludge tank, and effectively preventing the sludge from accumulating too high below the sludge discharge port of the screw press body and causing blockage.

[0008] As a further improvement of this utility model, an array of guide rollers is provided on both the left and right sides of the mud discharge port.

[0009] With the above structure, the array formed by guide rollers on both the left and right sides of the sludge discharge port improves the efficiency of pushing the sludge to accumulate away from the discharge port and ensures the uniformity of sludge collapse.

[0010] As a further improvement of this utility model, the mounting frame includes a support plate set on the centerline of the sludge tank. The support plate has a chute extending in the left and right direction along the sludge discharge port. The two ends of the guide roller are respectively shaft-connected to a movable seat and a hinge seat. A first motor is fixed on the movable seat. The movable seat has a sliding cylinder slidably connected in the chute. The sliding cylinder is in contact with the front and rear side walls of the chute. The hinge seat is hinged to a screw seat. The screw seat is threadedly connected to a drive screw. The drive screw is set in the front and rear direction along the sludge discharge port. A second motor is connected to the outer side wall of the sludge tank. The drive screw passes through the side wall of the sludge tank and cooperates with the second motor for driving connection.

[0011] With the above structure, by starting the second motor, the second motor drives the drive screw to rotate, which in turn drives the screw seat to move in the front-to-back direction of the sludge discharge port. When the screw seat approaches the sludge discharge port, it pulls the hinge seat, which in turn pulls the guide roller and the movable seat. The movable seat then pulls the sliding cylinder, which moves along the chute in the left-to-right direction of the sludge discharge port, approaching the screw seat that drives its movement. During this process, the screw seat and the hinge seat are hinged together and rotate, while the sliding cylinder rotates against the front and rear side walls of the chute, changing the orientation of the push plate. When the push plate rotates to below the guide roller, it is not directly facing the side of the sludge trough away from the sludge discharge port, but rather biased towards the left and right side walls of the sludge trough. As the sludge is pushed away from the sludge discharge port and accumulates, the sludge accumulation direction also shifts towards the left and right sides of the sludge trough, further improving the uniformity of sludge accumulation in the sludge trough. By changing the moving distance of the screw seat, the bias angle of the push plate can be adjusted to match the slope of the sludge slope.

[0012] As a further improvement of this utility model, the edge of the push plate is provided with raised spade teeth.

[0013] With the above structure, the push plate has protruding shovel teeth on its edge. When the push plate rotates and contacts the sludge slope, the shovel teeth first insert into the sludge to destroy the integrity of the slope structure, so that the push plate can easily push the sludge to move.

[0014] As a further improvement of this utility model, the push plate is provided with reinforcing ribs on its side.

[0015] With the above structure, the push plate is reinforced with ribs on its side, which improves the structural strength of the push plate and prevents it from breaking when pushing sludge. Attached Figure Description

[0016] Figure 1 The diagram shown is a schematic diagram of the structure of this utility model.

[0017] Figure 2 The diagram shown is a schematic of the sludge tank structure.

[0018] Figure 3 The diagram shown is a schematic of the push plate structure in part A.

[0019] 1-Main body of screw press, 2-Sludge discharge port, 3-Sludge trough, 4-Mounting frame, 5-First motor, 6-Guide roller, 7-Push plate, 8-Support plate, 9-Slide groove, 10-Modible seat, 11-Hinged seat, 12-Sliding cylinder, 13-Screw seat, 14-Drive screw, 15-Second motor, 16-Shovel teeth, 17-Reinforcing rib. Detailed Implementation

[0020] like Figures 1-3The sludge dewatering screw press shown is not prone to clogging. It includes a screw press body 1, a sludge discharge port 2 at the tail end of the screw press body 1, a sludge trough 3 below the sludge discharge port 2, and a mounting frame 4 connected to the inner side wall of the sludge trough 3. The mounting frames 4 are spaced apart above the bottom of the sludge trough 3. Multiple first motors 5 are connected to the mounting frames 4. Each first motor 5 is driven by a guide roller 6. The guide rollers 6 form an array along the front-back direction of the sludge discharge port 2. A push plate 7 is connected to the circumferential surface of the guide rollers 6. The axis of the guide rollers 6 and the length direction of the push plate 7 are both set along the left-right direction of the sludge discharge port 2.

[0021] After the sludge is dewatered by the screw press body 1, it is discharged from the sludge discharge port 2 at the tail end and falls into the sludge trough 3 below to accumulate. The first motor 5 is activated, driving the guide roller 6 to rotate. The guide roller 6 drives the push plate 7 to rotate. When the push plate 7 rotates below the guide roller 6, it continues to move away from the sludge discharge port 2. When the sludge accumulates to form a slope of a certain height, the push plate 7, rotating below the guide roller 6, contacts the sludge slope, pushing the sludge away from the sludge discharge port 2 and sliding down to the bottom of the slope to re-accumulate. Simultaneously, a gap is created on the slope, causing the top of the accumulated sludge to collapse and fill the gap, reducing the height of the sludge accumulation at the sludge discharge port 2. Space is left between the guide rollers 6 to allow new sludge to be discharged. The guide rollers 6 form an array along the front and back direction of the sludge discharge port 2. When the sludge that has slid to the bottom of the slope accumulates again to the point that it can contact the push plate 7, it is pushed by the push plate 7 on the next guide roller 6 in the array and piles up again in a direction away from the sludge discharge port 2 until the sludge accumulates to the side of the sludge tank 3 away from the sludge discharge port 2. This prevents the sludge from piling up too high and blocking the sludge discharge port 2. This achieves the goal of the array formed by the guide rollers 6 gradually contacting the slope formed by the sludge accumulation, pushing the sludge to accumulate in a direction away from the sludge discharge port 2, improving the utilization rate of the space in the sludge tank 3, and effectively preventing the sludge from accumulating too high below the sludge discharge port 2 of the screw press body 1 and causing blockage.

[0022] An array of guide rollers 6 is provided on both the left and right sides of the mud discharge port 2.

[0023] The array formed by the guide rollers 6 on both the left and right sides of the sludge discharge port 2 improves the efficiency of pushing the sludge to accumulate in a direction away from the sludge discharge port 2 and ensures the uniformity of sludge collapse.

[0024] Mounting frame 4 includes a support plate 8 set on the centerline of sludge tank 3. The support plate 8 has a chute 9 extending in the left and right direction along the sludge discharge port 2. The two ends of the guide roller 6 are respectively shaft-connected to a movable seat 10 and a hinge seat 11. The first motor 5 is fixed on the movable seat 10. The movable seat 10 has a sliding cylinder 12 slidably connected in the chute 9. The sliding cylinder 12 is in contact with the front and rear side walls of the chute 9. The hinge seat 11 is hinged to a screw seat 13. The screw seat 13 is threadedly connected to a drive screw 14. The drive screw 14 is set in the front and rear direction along the sludge discharge port 2. The outer side wall of the sludge tank 3 is connected to a second motor 15. The drive screw 14 passes through the side wall of the sludge tank 3 and cooperates with the second motor 15 for driving connection.

[0025] By starting the second motor 15, the second motor 15 drives the drive screw 14 to rotate, which in turn drives the screw seat 13 to move in the front-back direction of the sludge discharge port 2. When the screw seat 13 approaches the sludge discharge port 2, it pulls the hinge seat 11, which in turn pulls the guide roller 6 and the movable seat 10. The movable seat 10 then pulls the sliding cylinder 12, which moves along the slide groove 9 in the left-right direction of the sludge discharge port 2, approaching the screw seat 13 that drives its movement. During this process, the screw seat 13 and the hinge seat 11 are hinged together and rotate in cooperation. The moving cylinder 12 rotates against the front and rear side walls of the chute 9, changing the orientation of the push plate 7. When the push plate 7 rotates to the bottom of the guide roller 6, it is not facing the side of the sludge trough 3 away from the sludge discharge port 2, but is biased towards the left and right side walls of the sludge trough 3. As the sludge is pushed to accumulate away from the sludge discharge port 2, the sludge accumulation direction will also be biased towards the left and right sides of the sludge trough 3, further improving the uniformity of sludge accumulation in the sludge trough 3. By changing the moving distance of the screw seat 13, the bias angle of the push plate 7 can be adjusted to match the slope of the sludge slope.

[0026] The edge of the push plate 7 is provided with raised spade teeth 16.

[0027] The push plate 7 has protruding shovel teeth 16 on its edge. When the push plate 7 rotates and contacts the sludge slope, the shovel teeth 16 first insert into the sludge to destroy the integrity of the slope structure, so that the push plate 7 can easily push the sludge to move.

[0028] The side of the push plate 7 is provided with reinforcing ribs 17.

[0029] The push plate 7 is reinforced with ribs 17 on its side, which improves the structural strength of the push plate 7 and prevents it from breaking when pushing sludge.

Claims

1. A sludge dewatering screw press that is less prone to clogging during sludge discharge, characterized in that: The machine includes a screw press body (1), a sludge discharge port (2) at the tail end of the screw press body (1), a sludge trough (3) below the sludge discharge port (2), an mounting frame (4) connected to the inner side wall of the sludge trough (3), the mounting frame (4) being spaced above the bottom of the sludge trough (3), and multiple first motors (5) connected to the mounting frame (4), each of the first motors (5) being driven by a guide roller (6) connected to its shaft, the guide roller (6) forming an array along the front and rear direction of the sludge discharge port (2), and a push plate (7) connected to the circumferential surface of the guide roller (6), the axis of the guide roller (6) and the length direction of the push plate (7) being set along the left and right direction of the sludge discharge port (2).

2. The sludge dewatering screw press with non-clogging sludge discharge according to claim 1, characterized in that: An array of guide rollers (6) is provided on both the left and right sides of the mud discharge port (2).

3. The sludge dewatering screw press with non-clogging sludge discharge according to claim 2, characterized in that: The mounting frame (4) includes a support plate (8) set on the centerline of the sludge tank (3). The support plate (8) is provided with a chute (9) extending in the left and right direction along the sludge discharge port (2). The two ends of the guide roller (6) are respectively shaft connected to a movable seat (10) and a hinge seat (11). The first motor (5) is fixed on the movable seat (10). The movable seat (10) is provided with a sliding cylinder (12) slidably connected in the chute (9). The sliding cylinder (12) is in contact with the front and rear side walls of the chute (9). The hinge seat (11) is hinged to a screw seat (13). The screw seat (13) is threadedly connected to a drive screw (14). The drive screw (14) is set in the front and rear direction along the sludge discharge port (2). The outer side wall of the sludge tank (3) is connected to a second motor (15). The drive screw (14) passes through the side wall of the sludge tank (3) and cooperates with the second motor (15) for driving connection.

4. The sludge dewatering screw press with non-clogging sludge discharge according to claim 1, characterized in that: The edge of the push plate (7) is provided with raised spade teeth (16).

5. The sludge dewatering screw press with non-clogging sludge discharge according to claim 1, characterized in that: The push plate (7) has reinforcing ribs (17) on its side.

Images