A pulp degritting apparatus
By introducing anti-clogging mechanisms and automated cleaning systems into the pulp deslagging equipment, the problem of filter plate clogging has been solved, achieving more efficient pulp filtration and automated cleaning, and improving production stability and economy.
Patent Information
- Application Number
- CN202522253879.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-24
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-10-24
AI Technical Summary
Traditional pulp deslagging equipment suffers from problems such as incomplete cleaning, low residue collection efficiency, unstable screening effect, and high energy consumption and maintenance costs. In particular, the filter plates are easily clogged by impurities, affecting filtration accuracy and efficiency.
A pulp deslagging device including an anti-clogging mechanism was designed. Impurities on the filter plate are cleaned by a ball nut driven by a motor and a cleaning brush. The pulp is agitated and filtered by a vibrating filter plate and a spiral conveyor blade, which reduces clogging and achieves automated cleaning.
It effectively reduces filter plate clogging, improves pulp filtration accuracy and efficiency, reduces the frequency of manual maintenance and energy consumption, and enhances production continuity and economy.
Smart Images

Figure CN224678422U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pulp deslagging technology, specifically to a pulp deslagging device. Background Technology
[0002] Pulp descaling equipment is a core component in the papermaking process, ensuring pulp quality, stabilizing production operations, and reducing production costs. Its role extends throughout the critical purification stages from pulping (especially waste paper pulping) to papermaking.
[0003] Currently, traditional pulp deslagging equipment, due to limitations in its technical design, generally suffers from problems such as incomplete cleaning, low residue collection efficiency, unstable screening effect, and high energy consumption and maintenance costs, which seriously restrict the continuity and economy of pulp production.
[0004] When existing pulp removal equipment is used, it filters and screens the pulp through multi-stage filter plates to remove impurities, which facilitates pulp removal. However, during the screening process, the filter holes of the filter plates are easily clogged by impurities and debris in the pulp. Manual disassembly and cleaning are inconvenient, which can affect the filtration effect of the pulp, as well as the filtration accuracy and efficiency. Utility Model Content
[0005] The purpose of this invention is to provide a pulp deslagging device to solve the problem mentioned in the background art where, during the screening process, the filter plates are easily clogged by impurities and debris in the pulp, making manual disassembly and cleaning inconvenient, which in turn affects the pulp filtration effect, filtration accuracy, and filtration efficiency. The objective of this utility model can be achieved through the following technical solutions: A pulp deslagging device includes a cabinet, a filter plate 1 fixed inside the cabinet, a filter plate 2 disposed at the lower end of the filter plate 1, a motor 1 fixed on one side of the cabinet, and an anti-clogging mechanism disposed between the motor 1 and the cabinet to reduce clogging of the filter plate 1. The anti-clogging mechanism includes a lead screw fixed to the output end of a motor, the output end of which extends into the cabinet. A cleaning plate is fixedly connected to the lead screw via a ball nut. Cleaning brushes are fixedly arranged on the cleaning plate in an array. The cleaning brushes contact a filter plate. A collection frame is provided at one end of the filter plate, and the collection frame is hollow. A second motor is fixed to one end of the cabinet. A cam is fixedly connected to the output end of the second motor, which extends into the cabinet. A limiting post is fixed to the lower end of the second filter plate. A limiting wheel is rotatably connected to the lower end of the limiting post. The limiting wheel contacts the cam. The second filter plate slides against the cabinet.
[0006] As a further embodiment of this utility model: the anti-blocking mechanism also includes a limiting rod disposed at the end of the filter plate two away from the limiting column, the limiting rod slidingly penetrating the filter plate two, a support plate fixed inside the cabinet, and a spring sleeved on the limiting rod, the ends of the spring being fixedly connected to the filter plate two and the support plate.
[0007] As a further embodiment of this utility model: a sliding rod is fixed on the side of the cabinet away from the lead screw, the sliding rod slides through the cleaning plate, and the lead screw passes through the cleaning plate and corresponds to the collection frame.
[0008] As a further embodiment of this utility model: a collection frame is provided at one end of the filter plate, and the collection frame is hollowed out.
[0009] As a further embodiment of this utility model: a fixing plate is fixed to one side of the cabinet by bolts, a handle is fixed to the fixing plate, the fixing plate is fixedly connected to the collection frame, and the side of the collection frame away from the fixing plate is in contact with and level with the filter plate.
[0010] As a further embodiment of this utility model: a fixed bucket is fixed to the upper end of the cabinet, a feed pipe is fixed to the upper end of the fixed bucket, and a discharge pipe is fixed to one side of the lower end of the cabinet.
[0011] As a further embodiment of this utility model: a motor is fixed on one side of the cabinet, and the output end of the motor extends into the fixed barrel and is fixedly connected to a conveying blade. The lower end of the fixed barrel is hollowed out and corresponds to the filter plate.
[0012] As a further embodiment of this utility model: the conveying blade is a spiral conveying blade, and an inclined block is fixed at the lower end of the cabinet body, the inclined block corresponding to the discharge pipe.
[0013] The beneficial effects of this utility model are: 1. This utility model utilizes a first motor to move a ball bearing nut along a lead screw, which in turn moves a cleaning brush to remove impurities, debris, and clumps of paper fibers from the first filter plate. This reduces the need for manual disassembly and cleaning, thus minimizing filter plate clogging. Then, a second motor rotates a cam, which in turn rotates a limiting wheel, causing the second filter plate to vibrate. This movement of the second filter plate along a limiting rod causes the spring to extend and retract, facilitating the vibration of the filter plate and the pulp on it. This reduces the likelihood of fine debris clogging the second filter plate, facilitating pulp filtration and reducing the impact on pulp filtration efficiency.
[0014] 2. The motor rotates, causing the conveyor blades to turn. The conveyor blades are spiral conveyor blades that rotate and convey the pulp falling into the fixed bucket, agitating the pulp and causing it to fall through the perforated fixed bucket onto the filter plate for filtration. The inclined blocks facilitate the discharge of the pulp from the discharge pipe, reducing residue. When it is necessary to clean the collection frame, tighten the bolts on the fixed plate and pull the handle to move the collection frame out of the cabinet. After cleaning and recycling, the frame can be reset, facilitating the collection and cleaning of impurities. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings.
[0016] Figure 1 This is a first structural schematic diagram of the slag removal equipment of this utility model; Figure 2 This is a schematic diagram of the internal structure of the slag removal equipment of this utility model; Figure 3 This is a schematic diagram of the internal second structure of the slag removal equipment of this utility model; Figure 4 This is a schematic diagram of the second structure of the slag removal equipment of this utility model.
[0017] In the diagram: 1. Cabinet; 2. Filter plate one; 3. Filter plate two; 4. Motor one; 5. Lead screw; 6. Cleaning plate; 7. Cleaning brush; 8. Collection frame; 9. Motor two; 10. Cam; 11. Limiting column; 12. Limiting wheel; 13. Limiting rod; 14. Spring; 15. Sliding rod; 16. Fixing plate; 17. Motor three; 18. Fixing bucket; 19. Feed pipe; 20. Discharge pipe; 21. Conveying blade. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0019] Please see Figure 1-3 As shown, this utility model is a pulp deslagging device, including a cabinet 1, a filter plate 2 fixed inside the cabinet 1, a filter plate 3 at the lower end of the filter plate 2, a motor 4 fixed on one side of the cabinet 1, and an anti-clogging mechanism between the motor 4 and the cabinet 1 to reduce the clogging of the filter plate. The anti-clogging mechanism includes a lead screw 5 fixed to the output end of motor 4, the output end of motor 4 extending into the cabinet 1. A cleaning plate 6 is fixedly connected to the lead screw 5 via a ball nut. Cleaning brushes 7 are fixedly arranged in an array on the cleaning plate 6, contacting filter plate 2. A motor 9 is fixed to one end of the cabinet 1, the output end of motor 9 extending into the cabinet 1 and fixedly connected to a cam 10. A limiting post 11 is fixed to the lower end of filter plate 3, and a limiting wheel 12 is rotatably connected to the lower end of the limiting post 11. The limiting wheel 12 contacts the cam 10. Filter plate 3 is slidably positioned relative to the cabinet 1. The anti-clogging mechanism also includes a limiting rod 13 located at the end of filter plate 3 away from the limiting post 11. The limiting rod 13 slides through filter plate 3. A support plate is fixed inside the cabinet 1. A spring 14 is sleeved on the limiting rod 13, and the ends of the spring 14 are fixedly connected to filter plate 3 and the support plate. A sliding rod 15 is fixed inside the cabinet 1 on the side away from the lead screw 5. The sliding rod 15 slides through the cleaning plate 6, and the lead screw 5 passes through the cleaning plate 6 and corresponds to the collection frame 8. A collection frame 8 is provided at one end of the filter plate 2. The collection frame 8 is hollow.
[0020] Specifically, the pulp is filtered by a filter plate to remove impurities and debris, which facilitates pulp slag removal. Then, the pulp is filtered a second time by a filter plate 3 to remove fine impurities and debris, further improving the pulp slag removal effect. The anti-clogging mechanism reduces the clogging of the filter plates by impurities and debris, reduces the need for manual disassembly and cleaning of the filter plates, and reduces the impact on pulp filtration efficiency and filtration accuracy. Specifically, motor 4 is operated, causing screw 5 to rotate. This causes ball bearing nut to move cleaning plate 6 on screw 5. Cleaning plate 6 slides on sliding rod 15, which restricts cleaning plate 6. This allows cleaning brush 7 to move and clean impurities, debris, and clumps of paper fibers on filter plate 2, reducing filter plate clogging. The cleaned impurities, debris, and fibers move with cleaning brush 7 and enter collection frame 8 for collection, facilitating cleaning and reducing the need for manual disassembly. The perforated collection frame 8 also reduces moisture residue. Then, motor 9 is operated, causing cam 10 to rotate, which drives limiting wheel 12 to rotate and move, causing filter plate 3 to vibrate. Filter plate 3 moves on limiting rod 13, causing spring 14 to extend and retract, facilitating the vibration of the filter plate. This vibration of the pulp on filter plate 3 reduces the clogging of filter plate 3 by fine debris, facilitating pulp filtration and deslagging, and minimizing the impact on pulp filtration efficiency.
[0021] In this embodiment, refer to Figure 1 As shown, a fixed bucket 18 is fixed to the upper end of the cabinet 1, a feed pipe 19 is fixed to the upper end of the fixed bucket 18, and a discharge pipe 20 is fixed to one side of the lower end of the cabinet 1.
[0022] Specifically, staff members add pulp and a certain proportion of water to the feed pipe 19 using equipment or manually, which then enters the fixed tank 18, and the pulp is discharged through the discharge pipe 20.
[0023] In this embodiment, refer to Figure 2 - Figure 4 As shown, a fixing plate 16 is bolted to one side of the cabinet 1. A handle is fixed to the fixing plate 16. The fixing plate 16 is fixedly connected to the collection frame 8. The side of the collection frame 8 away from the fixing plate 16 contacts and is flush with the filter plate 2. A motor 17 is fixed to one side of the cabinet 1. The output end of the motor 17 extends into the fixed barrel 18 and is fixedly connected to the conveying blade 21. The lower end of the fixed barrel 18 is hollowed out and corresponds to the filter plate 2. The conveying blade 21 is a spiral conveying blade. An inclined block is fixed to the lower end of the cabinet 1, and the inclined block corresponds to the discharge pipe 20.
[0024] Specifically, the motor 17 rotates the conveyor blade 21, which is a spiral conveyor blade. The conveyor blade 21 rotates and conveys the pulp falling into the fixed bucket 18, agitating the pulp and causing it to fall through the perforated fixed bucket 18 onto the filter plate 2 for filtration. The inclined block facilitates the discharge of the pulp from the discharge pipe 20, which is then connected to the next heat treatment equipment. The inclined block facilitates the discharge of the pulp and reduces residue. When it is necessary to clean the collection frame 8, the bolts on the fixed plate 16 are tightened and the handle is pulled to move the collection frame 8 out of the cabinet 1. After cleaning and recycling, the frame is reset, facilitating the collection and cleaning of impurities.
[0025] The working principle of this utility model is as follows: The staff adds pulp and a certain proportion of water to the feed pipe 19 through equipment or manual means, and enters the fixed tank 18. The pulp is filtered by a filter plate 1 to remove impurities and debris, which facilitates the removal of pulp residue. The pulp is then filtered a second time by a filter plate 3 to remove fine impurities and debris, further improving the pulp residue removal effect. Then, the motor 4 is operated, causing the lead screw 5 to rotate, which in turn causes the ball nut to move the cleaning plate 6 on the lead screw 5. The cleaning plate 6 slides on the sliding rod 15, which restricts the cleaning plate 6, allowing the cleaning brush 7 to move and clean the impurities, debris, and clumps of paper fibers on the filter plate 2, reducing the clogging of the filter plate. The cleaned impurities, debris, and fibers move with the cleaning brush 7 and enter the collection frame 8 for cleaning and collection, making cleaning easier and reducing the need for manual disassembly and cleaning. The hollowed-out collection frame 8 reduces the amount of residual moisture. Then, the motor 9 is operated, causing the cam 10 to rotate, which drives the limiting wheel 12 to rotate and move, causing the filter plate 3 to vibrate. The filter plate 3 moves on the limiting rod 13, causing the spring 14 to extend and retract, facilitating the vibration of the filter plate and vibrating the pulp on the filter plate 3, reducing the clogging of the filter plate 3 by small debris. The motor 17 rotates the conveyor blade 21, which is a spiral conveyor blade. It rotates and conveys the pulp falling into the fixed bucket 18, agitating the pulp and causing it to fall through the perforated fixed bucket 18 onto the filter plate 2 for filtration. The inclined block facilitates the discharge of the pulp from the discharge pipe 20, which is then connected to the next heat treatment equipment. The inclined block facilitates the discharge of the pulp and reduces residue. When it is necessary to clean the collection frame 8, the bolts on the fixed plate 16 are tightened and the handle is pulled to move the collection frame 8 out of the cabinet 1. After cleaning and recycling, the frame is reset.
[0026] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.
Claims
1. A pulp deslagging device, comprising a cabinet (1), characterized in that: A filter plate 1 (2) is fixed inside the cabinet (1), and a filter plate 2 (3) is provided at the lower end of the filter plate 1 (2). A motor 1 (4) is fixed on one side of the cabinet (1), and an anti-clogging mechanism is provided between the motor 1 (4) and the cabinet (1) to reduce the clogging of the filter plate. The anti-clogging mechanism includes a lead screw (5) fixed to the output end of motor 1 (4), the output end of motor 1 (4) extends into the cabinet (1), the lead screw (5) is fixedly connected to a cleaning plate (6) by a ball nut, the cleaning plate (6) is fixed with cleaning brushes (7) and arranged in an array, the cleaning brushes (7) are in contact with filter plate 1 (2), one end of the cabinet (1) is fixed with motor 2 (9), the output end of motor 2 (9) extends into the cabinet (1) and is fixedly connected with a cam (10), the lower end of filter plate 2 (3) is fixed with a limiting post (11), the lower end of the limiting post (11) is rotatably connected with a limiting wheel (12), the limiting wheel (12) is in contact with the cam (10), and the filter plate 2 (3) is slidably set with the cabinet (1).
2. The pulp deslagging equipment according to claim 1, characterized in that, The anti-blocking mechanism also includes a limiting rod (13) set at the end of the filter plate two (3) away from the limiting post (11). The limiting rod (13) slides through the filter plate two (3). A support plate is fixed inside the cabinet (1). A spring (14) is sleeved on the limiting rod (13). The ends of the spring (14) are fixedly connected to the filter plate two (3) and the support plate.
3. The pulp deslagging equipment according to claim 1, characterized in that, A sliding rod (15) is fixed inside the cabinet (1) on the side away from the lead screw (5). The sliding rod (15) slides through the cleaning plate (6). The lead screw (5) passes through the cleaning plate (6) and corresponds to the collection frame (8).
4. The pulp deslagging equipment according to claim 1, characterized in that, A collection frame (8) is provided at one end of the filter plate (2), and the collection frame (8) is hollow.
5. The pulp deslagging equipment according to claim 4, characterized in that, A fixing plate (16) is fixed to one side of the cabinet (1) by bolts. A handle is fixed on the fixing plate (16). The fixing plate (16) is fixedly connected to the collection frame (8). The side of the collection frame (8) away from the fixing plate (16) is in contact with and level with the filter plate (2).
6. The pulp deslagging equipment according to claim 1, characterized in that, The upper end of the cabinet (1) is fixed with a fixed bucket (18), the upper end of the fixed bucket (18) is fixed with a feed pipe (19), and the lower end of the cabinet (1) is fixed with a discharge pipe (20).
7. A pulp deslagging device according to claim 6, characterized in that, A motor (17) is fixed on one side of the cabinet (1). The output end of the motor (17) extends into the fixed barrel (18) and is fixedly connected to the conveying blade (21). The lower end of the fixed barrel (18) is hollowed out and corresponds to the filter plate (2).
8. A pulp deslagging device according to claim 7, characterized in that, The conveying blade (21) is a spiral conveying blade (21), and an inclined block is fixed at the lower end of the cabinet (1), which corresponds to the discharge pipe (20).