Slurry deslagging device for clean papermaking

By designing a slurry removal device with primary and secondary filtration mechanisms, the problem that traditional devices cannot effectively classify impurities, achieving efficient slag removal, anti-blocking and low-cost effects.

CN222594460UActive Publication Date: 2025-03-11HANGZHOU HAIXIN PAPER CO LTD
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Patent Information

Application Number
CN202420998369.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-03-11
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

Traditional slag removal devices cannot effectively classify large and small impurities during paper making and pulping, resulting in low slag removal efficiency, easy blockage of the device, poor functionality and high cost.

Method used

A sludge removal device including a primary filter mechanism and a secondary filter mechanism is designed. The primary filtration mechanism realizes the preliminary screening and separation of large particles of residues through the vertical reciprocating movement function, and the secondary filtration mechanism realizes further screening and separation of small particles of residues through the centrifugal separation function.

Benefits of technology

By grading the residues of large and small particles, the slag removal effect is significantly improved, the device is blocked, the slag removal efficiency is improved, and the power consumption cost is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a slurry deslagging device for cleaning papermaking, which comprises a support frame and a machine body, and is characterized in that the support frame is arranged on the periphery of the machine body and is fixedly connected with the machine body, the machine body comprises an upper machine body and a lower machine body, a primary filtering mechanism is arranged in the upper machine body, and the primary filtering mechanism comprises a filtering box and a blanking channel; a filtering box is arranged in the lower machine body and movably connected with the inner wall of the upper machine body, a secondary filtering mechanism is arranged in the lower machine body and comprises a conical separation barrel, and the conical separation barrel is movably connected with the discharging channel through shaft hole fit. According to the utility model, large and small particle residues are subjected to grading treatment, so that the residue removal effect is improved, and the device can be effectively prevented from being blocked.
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Description

Technical Field

[0001] The utility model relates to the technical field of papermaking processing, and belongs to a pulp slag removal device for clean papermaking. Background Art

[0002] Paper, which originated in the Western Han Dynasty, is made from raw materials containing plant fibers through pulping, modulation, papermaking, and processing. It can be divided into mechanical pulp, chemical pulp, and chemical mechanical pulp according to the processing method, and can also be divided into wood pulp, straw pulp, hemp pulp, reed pulp, sugarcane pulp, bamboo pulp, rag pulp, etc. according to the fiber raw materials used. It can also be divided into refined pulp, bleached pulp, unbleached pulp, high-yield pulp, semi-chemical pulp, etc. according to different purities. It is generally used to make paper and paperboard. Paper is a carrier for writing and printing. It can be used for writing and painting, printing books and newspapers, etc. It can also be used in other fields such as packaging and hygiene.

[0003] Nowadays, there are higher requirements for the cleanliness of paper. In the process of papermaking and pulping, the pulp contains impurities. In order to ensure the cleanliness of the paper, the pulp needs to be deslagging. However, the traditional deslagging device does not have a good classification process for the deslagging of large and small particles of impurities, which easily leads to residue blockage in the market during the deslagging process. The device has poor functionality, resulting in low deslagging efficiency and high power consumption cost.

[0004] Therefore, a clean papermaking pulp slag removal device with high efficiency slag removal is needed. Utility Model Content

[0005] The utility model provides a slag removal device for cleaning pulp for papermaking, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above object, the utility model provides the following implementation scheme:

[0007] The present application provides a slurry deslagging device for cleaning papermaking, comprising a support frame and a body, characterized in that the support frame is arranged on the periphery of the body and is fixedly connected to the body, the body comprises an upper body and a lower body, a primary filtering mechanism is arranged in the upper body, the primary filtering mechanism comprises a filter box and a material discharge channel, the inner wall of the upper body of the filter box is movably connected, a secondary filtering mechanism is arranged in the lower body, the secondary filtering mechanism comprises a conical separation barrel, and the conical separation barrel and the material discharge channel are movably connected through an axial hole.

[0008] Preferably, the support frame includes support legs and transverse supports, the support legs are cross-fixedly connected to the transverse supports, a buffer foot is fixedly provided at the bottom end of the support legs, the transverse supports include straight rod supports and arc supports, the straight rod supports are fixedly connected to the upper body, and the arc supports are fixedly connected to the lower body.

[0009] Preferably, the outer wall of the filter box is fixedly connected with a vertical slide rail, the inner wall of the upper body is fixedly provided with a vertical slide groove, the filter box and the upper body are movably connected through the sliding cooperation of the vertical slide rail and the vertical slide groove, and limit blocks are provided at both ends of the vertical slide groove.

[0010] Preferably, the primary filtering mechanism also includes a screen plate and a power assembly, the screen plate is fixedly arranged in the filter box, the screen plate is provided with large-diameter screening holes, the power assembly includes an active rod and a driven rod movably connected to the upper body, one end of the active rod is connected to a power motor through a coupling, the active rod and the driven rod are both fixedly connected with cams through axial holes, and top contact rods are fixedly arranged at the bottom of the two opposite outer walls of the filter box, and the cam and the top contact rod are in contact with each other and movably connected.

[0011] Preferably, a driving wheel is fixedly provided on the active rod, a driven wheel is fixedly provided on the driven rod, and the driving wheel and the driven wheel are connected by a belt.

[0012] Preferably, the secondary filtering mechanism also includes a driving shaft, a filter screen 1 and a filter screen 2, one end of the driving shaft is connected to a driving motor via a coupling, a motor box is arranged outside the driving motor, the driving shaft and the motor box are movably connected, a spiral blade is fixedly arranged on the driving shaft, a connecting frame is fixedly arranged at both ends of the spiral blade on the driving shaft, the connecting frame is fixedly connected to the inner wall of the conical separation barrel, the filter screen 1 is fixedly connected to the inner wall of the lower body, the filter screen 2 is fixedly arranged at the lower end of the conical separation barrel, and small-aperture filter holes are arranged on the filter screen 1, the filter screen 2 and the conical separation barrel.

[0013] Preferably, a feed port is provided at the top of the upper body, the feed port is through-connected with the upper body, and a control valve 1 is provided between the feed port and the upper body.

[0014] Preferably, a discharge port is fixedly connected to the bottom of the lower body, and a second control valve is provided on the discharge port.

[0015] Compared with the prior art, the utility model provides a slag removal device for cleaning papermaking pulp, which has the following beneficial effects:

[0016] The utility model is provided with a primary filtering mechanism and a secondary filtering mechanism. The primary filtering mechanism has a reciprocating movement function in the vertical direction, which can make the pulp shake and roll, thereby realizing preliminary screening of large particle residues in the pulp; the secondary filtering mechanism has a centrifugal separation function, and through the centrifugal action, further screening of small particle residues is realized; through the graded treatment of large and small particle residues, not only the slag removal effect is improved, but also the device can be effectively prevented from being blocked.

[0017] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a front cross-sectional view of the utility model;

[0020] Figure 3 This is a structural schematic diagram of the primary filtering mechanism of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the secondary filtering mechanism of the utility model;

[0022] In the figure: 1, support frame; 11, support leg; 12, horizontal support; 121, straight rod support; 122, arc support; 2, body; 21, upper body; 22, lower body; 3, primary filtering mechanism; 31, filter box; 32, vertical slide rail; 33, vertical slide; 331, limit block; 34, screening plate; 341, large-aperture screening hole; 35, power assembly; 351, active rod; 352, power motor; 353, Cam; 354, driven rod; 355, driving wheel; 356, driven wheel; 357, belt; 36, top contact rod; 37, unloading channel; 4, secondary filtering mechanism; 41, conical separation barrel; 42, driving shaft; 43, driving motor; 44, motor box; 45, spiral blade; 46, connecting frame; 47, filter plate; 48, small-aperture filter hole; 5, feed inlet; 51 control valve one; 6, discharge port; 61, control valve two. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the scope of the utility model. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] See also Figure 1-2The present application provides a pulp slag removal device for cleaning papermaking, including a support frame 1 and a body 2, characterized in that the support frame 1 is arranged on the periphery of the body 2 and is fixedly connected to the body 2, the body 2 includes an upper body 21 and a lower body 22, a primary filtering mechanism 3 is arranged in the upper body 21, the primary filtering mechanism 3 includes a filter box 31 and a discharge channel 39, the filter box 31 is movably connected to the inner wall of the upper body 21, a secondary filtering mechanism 4 is arranged in the lower body 22, the secondary filtering mechanism 4 includes a conical separation barrel 41, and the conical separation barrel 41 is movably connected to the discharge channel 39 through an axial hole.

[0025] See also Figure 1 The support frame 1 includes a support leg 11 and a transverse support 12. The support leg 11 is cross-fixedly connected to the transverse support 12. A buffer foot 13 is fixedly provided at the bottom end of the support leg 11. The transverse support 12 includes a straight rod support 121 and an arc support 122. The straight rod support 121 is fixedly connected to the upper body 21, and the arc support 122 is fixedly connected to the lower body 22.

[0026] See also Figure 3 The outer wall of the filter box 31 is fixedly connected with a vertical slide rail 32, and the inner wall of the upper body 21 is fixedly provided with a vertical slide groove 33. The filter box 31 and the upper body 21 are movably connected through the sliding cooperation of the vertical slide rail 32 and the vertical slide groove 33. Limit blocks 331 are provided at both ends of the vertical slide groove 33, and the limit blocks 331 are used to prevent the slide rail 32 from slipping.

[0027] See also Figure 3 The primary filtering mechanism 3 also includes a screening plate 34 and a power assembly 35. The screening plate 34 is fixedly arranged in the filter box 31. The screening plate 34 is provided with large-aperture screening holes 341. The screening plate 34 is used to screen large-particle residues. The large-aperture screening holes 341 filter large-particle residues and are not prone to clogging, and fine pulp can flow out quickly and easily. The power assembly 35 includes an active rod 351 and a driven rod 354 movably connected to the upper body 21. One end of the active rod 351 is connected to a power motor 352 through a coupling. The active rod 351 and the driven rod 354 are both fixedly connected with a cam 353 through an axial hole. The bottom of the two opposite outer walls of the filter box 31 are fixedly provided with a top contact rod 36. The cam 353 and the top contact rod 36 are in contact with each other and movably connected. The power assembly 35 is used to provide power, and the cam 353 is driven to rotate through the active rod 351 and the driven rod 354. As a result, the top contact rod 36 will be lifted up and down, so that the filter box 31 moves back and forth, the pulp shakes and rolls, the residue separation is accelerated, and the impurity separation effect is improved.

[0028] See also Figure 3A driving wheel 355 is fixedly provided on the active rod 351 , a driven wheel 356 is fixedly provided on the driven rod 354 , and the driving wheel 355 and the driven wheel 356 are connected via a belt 357 .

[0029] See also Figure 4 The secondary filtering mechanism 4 also includes a driving shaft 42, a filter screen 1 47 and a filter screen 2 48, one end of the driving shaft 42 is connected to a driving motor 43 through a coupling, a motor box 44 is arranged outside the driving motor 43, the driving shaft 42 and the motor box 44 are movably connected, a spiral blade 45 is fixedly arranged on the driving shaft 42, and a connecting frame 46 is fixedly arranged at both ends of the spiral blade 45 on the driving shaft 42, the connecting frame 46 is fixedly connected to the inner wall of the conical separation barrel 41, the filter screen 1 47 is fixedly connected to the inner wall of the lower body 22, the filter screen 2 48 is fixedly arranged at the lower end of the conical separation barrel 41, the filter screen 1 47, the filter screen 2 48 and the conical separation barrel 41 are all provided with small-aperture filter holes 49, the conical cone design of the conical separation barrel 41 is more conducive to the centrifugal separation of fine pulp and impurities, the filter screen 1 47 and the filter screen 2 48 are used to filter the separated residues.

[0030] See also Figure 4 A feed port 5 is provided at the top of the upper body 21, and the feed port 5 is connected with the upper body 21. A control valve 51 is provided between the feed port 5 and the upper body 21, and the control valve 51 is used to control the switch of the feed port 5, thereby controlling the feeding of pulp.

[0031] See also Figure 4 The bottom of the lower body 22 is fixedly connected with a discharge port 6, and a second control valve 61 is provided on the discharge port. The second control valve 61 is used to control the switch of the discharge port 6, thereby controlling the discharge of pulp.

[0032] The working principle of the embodiment of the utility model:

[0033] When the utility model is used, the pulp to be deslagging enters the filter box (31) through the feed port 5, and the power motor (352) drives the active rod (351) to rotate, and then the active rod (351) drives the active wheel (355) to rotate, and the driven wheel (356) is driven to rotate through the belt (357), and the driven rod (354) is driven by the driven wheel (356) to rotate, thereby the cam (353) arranged on the active rod (351) and the driven rod (354) starts to rotate, and during the rotation of the cam (353), the top contact rod (36) is lifted up and dropped, so that the filter box 31 is connected to the vertical slide rail 32 and the vertical slide groove. The sliding fit of the filter plate 33 causes a vertical reciprocating motion, causing the pulp to shake and tumble, and large particles are filtered out through the screening plate 34, thereby completing the primary slag removal; the pulp then flows into the conical separation barrel (41) through the discharge channel (37), and the drive shaft (42) is driven by the drive motor (43) to rotate, and the conical separation barrel (41) is driven to rotate rapidly through the connecting frame (46). Through centrifugation and stirring, the residue in the pulp is quickly separated, and the small particle residue is filtered out through the filter screen 1 (47), the filter screen 2 (48) and the conical separation barrel (41), and the clean pulp flows out through the discharge port (6), thereby completing the pulp slag removal.

[0034] The above description is only a preferred embodiment of the present invention, and the printed data cable is not intended to limit the present invention. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A slurry removal device for cleaning papermaking, comprising a support frame (1) and a body (2), characterized in that: The support frame (1) is arranged on the periphery of the machine body (2) and is fixedly connected to the machine body (2); the machine body (2) comprises an upper machine body (21) and a lower machine body (22); a primary filtering mechanism (3) is arranged in the upper machine body (21); the primary filtering mechanism (3) comprises a filter box (31) and a material discharge channel (37); the filter box (31) and the inner wall of the upper machine body (21) are movably connected; a secondary filtering mechanism (4) is arranged in the lower machine body (22); the secondary filtering mechanism (4) comprises a conical separation barrel (41); the conical separation barrel (41) and the material discharge channel (37) are movably connected through an axial hole.

2. A slurry removal device for cleaning papermaking as claimed in claim 1, characterized in that: The support frame (1) comprises a support leg (11) and a transverse support (12); the support leg (11) and the transverse support (12) are cross-fixedly connected; a buffer foot (13) is fixedly provided at the bottom end of the support leg (11); the transverse support (12) comprises a straight rod support (121) and an arc-shaped support (122); the straight rod support (121) is fixedly connected to the upper body (21); and the arc-shaped support (122) is fixedly connected to the lower body (22).

3. A slurry removal device for cleaning papermaking as claimed in claim 1, characterized in that: The outer wall of the filter box (31) is fixedly connected to a vertical slide rail (32), and the inner wall of the upper body (21) is fixedly provided with a vertical slide groove (33). The filter box (31) and the upper body (21) are movably connected through the sliding cooperation of the vertical slide rail (32) and the vertical slide groove (33), and limit blocks (331) are provided at both ends of the vertical slide groove (33).

4. A slurry removal device for cleaning papermaking as claimed in claim 1, characterized in that: The primary filtering mechanism (3) further comprises a screening plate (34) and a power assembly (35); the screening plate (34) is fixedly arranged in the filtering box (31); the screening plate (34) is provided with large-diameter screening holes (341); the power assembly (35) comprises an active rod (351) and a driven rod (354) movably connected to the upper body (21); one end of the active rod (351) is connected to a power motor (352) via a coupling; a cam (353) is fixedly connected to the active rod (351) and the driven rod (354) via shaft holes; and top contact rods (36) are fixedly arranged at the bottoms of two opposite outer walls of the filtering box (31); the cam (353) and the top contact rod (36) are in contact with each other and movably connected.

5. A slurry removal device for cleaning papermaking as claimed in claim 4, characterized in that: A driving wheel (355) is fixedly provided on the active rod (351), a driven wheel (356) is fixedly provided on the driven rod (354), and the driving wheel (355) and the driven wheel (356) are connected via a belt (357).

6. A slurry removal device for clean papermaking as claimed in claim 1, characterized in that: The secondary filtering mechanism (4) further comprises a driving shaft (42), a first filter screen (47) and a second filter screen (48); one end of the driving shaft (42) is connected to a driving motor (43) via a coupling; a motor box (44) is provided outside the driving motor (43); the driving shaft (42) and the motor box (44) are movably connected; a spiral blade (45) is fixedly provided on the driving shaft (42); connecting frames (46) are fixedly provided on the driving shaft (42) at both ends of the spiral blade (45); the connecting frame (46) is fixedly connected to the inner wall of the conical separation barrel (41); the first filter screen (47) is fixedly connected to the inner wall of the lower body (22); the second filter screen (48) is fixedly provided at the lower end of the conical separation barrel (41); and the first filter screen (47), the second filter screen (48) and the conical separation barrel (41) are all provided with small-diameter filtering holes (49).

7. A slurry removal device for cleaning papermaking as claimed in claim 1, characterized in that: A feed inlet (5) is provided at the top of the upper machine body (21), the feed inlet (5) is in continuous connection with the upper machine body (21), and a control valve 1 (51) is provided between the feed inlet (5) and the upper machine body (21).

8. A slurry removal device for clean papermaking as claimed in claim 1, characterized in that: The bottom of the lower body (22) is fixedly connected with a discharge port (6), and a second control valve (61) is provided on the discharge port.