A papermaking sludge recovery device

Abstract

This utility model discloses a papermaking tail pulp recovery device, relating to the technical field of tail pulp recovery equipment. It includes a primary separation cylinder, a pulp inlet pipe, and a primary overflow pipe. A separating cylinder, corresponding to and connected to the inlet end of the primary overflow pipe, is fixed on the inner wall of the top of the primary separation cylinder. It also includes a reinforced buffer mechanism to reduce the impact of the tail pulp on the separating cylinder. The reinforced buffer mechanism includes a damping plate attached to the wall of the separating cylinder, an mounting part for conveniently assembling the damping plate to the cylinder body, and a reinforcing part for increasing the connection strength between the separating cylinder and the inner wall of the top of the primary separation cylinder. The pulp inlet pipe corresponds to the damping plate. This utility model, through the installation of the damping plate, can effectively suppress the shaking caused by tail pulp scouring, reduce the stress at the connection between the separating cylinder and the primary separation cylinder, and reduce the risk of the separating cylinder falling off due to long-term impact.

Description

Technical Field

[0001] This utility model relates to the technical field of tailings recycling equipment, specifically to a papermaking tailings recycling device. Background Technology

[0002] In the papermaking industry, a large amount of papermaking slurry is generated during production. The proper treatment and recycling of this slurry is crucial for improving resource utilization, reducing production costs, and minimizing environmental pollution. While an existing patent (CN220035049U) describes a papermaking slurry treatment and recycling device, which boasts advantages such as high efficiency, reasonable structure, convenient operation, and high impurity removal rate, and significantly improves slurry utilization through two-stage treatment and recycling, its structural design still has room for optimization under actual production conditions.

[0003] The device uses a dividing cylinder to separate the interior of the primary separator into different working areas. However, the design of one end of the dividing cylinder being suspended within the primary separator has revealed significant drawbacks in actual operation. When the tail slurry enters the primary separator through the inlet pipe, the high-speed flow of the tail slurry directly impacts the suspended portion of the dividing cylinder, creating a continuous dynamic load. This impact causes repeated stress at the connection between the dividing cylinder and the primary separator. Over long-term operation, this connection is highly susceptible to fatigue damage, leading to loosening and even the detachment of the dividing cylinder. This, in turn, causes equipment failure, resulting in production interruptions and economic losses. Utility Model Content

[0004] To solve the above-mentioned technical problems, a papermaking tail pulp recycling device is provided, which solves the problems in the background technology of the prior art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a papermaking tail pulp recycling device, including a primary separation cylinder, a pulp inlet pipe connected and fixed to the cylinder wall of the primary separation cylinder, and a primary overflow pipe connected and fixed to the top of the primary separation cylinder. A separating cylinder corresponding to and connected to the liquid inlet end of the primary overflow pipe is fixed on the inner wall of the top of the primary separation cylinder. The device also includes a reinforced buffer mechanism for reducing the impact effect of the tail pulp on the separating cylinder.

[0006] The reinforced buffer mechanism includes a damping plate attached to the wall of the separating cylinder, an installation part for conveniently assembling the damping plate to the body of the separating cylinder, and a reinforcing part for improving the connection strength between the separating cylinder and the inner wall of the top of the first-stage separation cylinder. The slurry inlet pipe corresponds to the damping plate.

[0007] Preferably, the mounting part includes two symmetrically distributed brackets on the dividing cylindrical body and connecting blocks fixed to both ends of the brackets.

[0008] Preferably, a positioning screw passes through the two mating connecting blocks, and a positioning nut is threaded onto the shaft of the positioning screw. One of the retaining blocks is fixedly connected to the top of the damping plate.

[0009] Preferably, the reinforcing part includes a positioning seat located inside the dividing cylinder and fixedly connected to the inner wall of the top of the first-stage separating cylinder. The inner wall of the card seat is fixed with a plug-in block. The outer wall of the positioning seat is provided with a mating interface adapted to the plug-in block. The plug-in block passes through the dividing cylinder and enters the mating interface.

[0010] Compared with the prior art, the advantages of this utility model are:

[0011] (1) By setting up the damping plate, the shaking caused by tail slurry scouring can be effectively suppressed, the stress at the connection between the separator cylinder and the first-stage separator cylinder can be reduced, and the risk of the separator cylinder falling off due to long-term impact can be reduced.

[0012] (2) By setting up the reinforcement part, when the two card seats are attached to the wall of the dividing cylinder by using the positioning screw and positioning nut, the plug-in block on the inner wall of the card seat can simultaneously penetrate the dividing cylinder and enter the interface. In this way, the plug-in block cooperates with the interface to further strengthen the fastening of the dividing cylinder, ensure the firmness of the connection between the dividing cylinder and the inner wall of the top of the first-stage separation cylinder, and prevent it from falling off. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a partial structural diagram of the present invention;

[0015] Figure 3 This is a schematic diagram of the internal structure of this utility model.

[0016] The numbers on the map are:

[0017] 1. Primary separator cylinder; 2. Slurry inlet pipe; 3. Primary overflow pipe; 4. Separating cylinder; 5. Damping plate; 6. Card holder; 7. Insertion block; 8. Connecting block; 9. Positioning screw; 10. Positioning nut; 11. Positioning seat. Detailed Implementation

[0018] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0019] Reference Figure 1-3As shown, a papermaking tail pulp recycling device includes a primary separation cylinder 1, a pulp inlet pipe 2 connected and fixed to the cylinder wall of the primary separation cylinder 1, and a primary overflow pipe 3 connected and fixed to the top of the primary separation cylinder 1. A dividing cylinder 4, which is connected to the liquid inlet end of the primary overflow pipe 3, is fixed on the inner wall of the top of the primary separation cylinder 1.

[0020] According to a papermaking tail pulp treatment and recycling device with patent publication number CN220035049U, the tail pulp enters the primary separation cylinder 1 through the pulp inlet pipe 2 during use, and then moves downward from the upper end of the primary separation cylinder 1 and rotates along the inner wall of the primary separation cylinder 1. During this process, larger lumps and impurities in the tail pulp settle to the bottom of the primary separation cylinder 1, while the good pulp overflows upward through the separating cylinder 4 and is discharged from the primary overflow pipe 3; thus, the primary separation is completed.

[0021] The above-described implementation uses a dividing cylinder 4 to divide the interior of the primary separation cylinder 1 into different working areas. However, the design of one end of the dividing cylinder 4 being suspended within the primary separation cylinder 1 reveals significant drawbacks in actual operation. When the tail slurry enters the primary separation cylinder 1 through the inlet pipe 2, the high-speed flow of the tail slurry directly impacts the suspended portion of the dividing cylinder 4, creating a continuous dynamic load. This impact causes repeated stress at the connection between the dividing cylinder 4 and the primary separation cylinder 1. Over long-term operation, the connection is prone to loosening due to fatigue damage, potentially leading to the detachment of the dividing cylinder 4, resulting in equipment failure, production interruption, and economic losses.

[0022] Therefore, referring to Figure 2 and Figure 3 As shown, it is worth noting that a reinforced buffer mechanism is also included to reduce the impact of the tail rotor on the separation cylinder 4.

[0023] The reinforced buffer mechanism includes a damping plate 5 attached to the wall of the partition cylinder 4, and the slurry inlet pipe 2 corresponds to the damping plate 5;

[0024] By setting the damping plate 5, the shaking caused by tail slurry scouring can be effectively suppressed, the stress at the connection between the separator cylinder 4 and the first-stage separator cylinder 1 can be reduced, and the risk of the separator cylinder 4 falling off due to long-term impact can be reduced.

[0025] Furthermore, referring to Figure 2 and Figure 3 As shown, it is worth noting that the reinforced buffer mechanism also includes a mounting part for conveniently assembling the damping plate 5 onto the body of the partition cylinder 4.

[0026] The mounting section includes two symmetrically distributed mounting bases 6 on the body of the dividing cylinder 4 and connecting blocks 8 fixed at both ends of the mounting bases 6. A positioning screw 9 passes through the two mating connecting blocks 8. The body of the positioning screw 9 is threaded with a positioning nut 10. One of the mounting bases 6 is fixedly connected to the top of the damping plate 5.

[0027] The two mounting brackets 6 in the installation part are attached to the wall of the dividing cylinder 4, and then the positioning screw 9 is passed through the two attached connecting blocks 8, and the positioning nut 10 is screwed on its body. In this way, the two mounting brackets 6 cooperate to fix the damping plate 5 to the wall of the dividing cylinder 4 by clamping.

[0028] Furthermore, referring to Figure 2 As shown, it is worth noting that the reinforced buffer mechanism also includes a reinforcing part for improving the connection strength between the dividing cylinder 4 and the inner wall of the top of the first-stage separating cylinder 1;

[0029] The reinforcing part includes a positioning seat 11 located inside the dividing cylinder 4 and fixedly connected to the inner wall of the top of the first-stage separating cylinder 1. The inner wall of the card seat 6 is fixed with a plug-in block 7. The outer wall of the positioning seat 11 is provided with a mating interface that is adapted to the plug-in block 7. The plug-in block 7 passes through the dividing cylinder 4 and enters the mating interface.

[0030] With the reinforcement, when the two card holders 6 are attached to the wall of the separating cylinder 4 using the positioning screw 9 and positioning nut 10, the insertion block 7 on the inner wall of the card holder 6 can simultaneously penetrate the separating cylinder 4 and enter the interface. In this way, the insertion block 7 cooperates with the interface to further strengthen the fastening of the separating cylinder 4, ensuring the firmness of the connection between the separating cylinder 4 and the inner wall of the top of the first-stage separating cylinder 1, and preventing it from falling off.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A papermaking tail pulp recycling device, comprising a primary separation cylinder (1), a pulp inlet pipe (2) connected and fixed to the wall of the primary separation cylinder (1), and a primary overflow pipe (3) connected and fixed to the top of the primary separation cylinder (1), wherein a dividing cylinder (4) corresponding to and connected to the liquid inlet end of the primary overflow pipe (3) is fixed on the inner wall of the top of the primary separation cylinder (1), characterized in that, It also includes a reinforced buffer mechanism for reducing the impact effect of the tail rotor on the separation cylinder (4); The reinforced buffer mechanism includes a damping plate (5) attached to the wall of the separating cylinder (4), an installation part for conveniently assembling the damping plate (5) to the body of the separating cylinder (4), and a reinforcement part for improving the connection strength between the separating cylinder (4) and the inner wall of the top of the first-stage separation cylinder (1). The slurry inlet pipe (2) corresponds to the damping plate (5).

2. The papermaking tailings recycling device according to claim 1, characterized in that, The mounting part includes two symmetrically distributed mounting bases (6) on the body of the dividing cylinder (4) and connecting blocks (8) fixed at both ends of the mounting bases (6).

3. The papermaking tailings recycling device according to claim 2, characterized in that, A positioning screw (9) runs through the two mating connecting blocks (8), and a positioning nut (10) is threaded onto the shaft of the positioning screw (9). One of the card seats (6) is fixedly connected to the top of the damping plate (5).

4. The papermaking tailings recycling device according to claim 2, characterized in that, The reinforcing part includes a positioning seat (11) located inside the dividing cylinder (4) and fixedly connected to the inner wall of the top end of the first-stage separating cylinder (1). The inner wall of the card seat (6) is fixed with a plug-in block (7). The outer wall of the positioning seat (11) is provided with a mating interface adapted to the plug-in block (7). The plug-in block (7) passes through the dividing cylinder (4) and enters the mating interface.

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