Pretreatment device for recycling waste paper

By setting push rods and elastic components in the mixing box to push the filter plate upwards, and cleaning the blockage with the bottom plate, the problem of filter plate blockage is solved, efficient filtration and wastewater purification and recycling are achieved, and the efficiency and economicality of waste paper recycling and treatment are improved.

CN223304764UActive Publication Date: 2025-09-05LONGKOU BOHAI PAPER CO LTD
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Patent Information

Application Number
CN202422376326.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-09-05
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

During the process of mixing and pulping waste paper, the filter plate is easily blocked by the paper sheet, resulting in a decrease in filtration efficiency and the wastewater is directly discharged without purification, which wastes resources.

Method used

A push rod and elastic components are installed in the mixing box. The push rod periodically pushes the filter plate up, and cleans up the blockage with the cone on the bottom plate, and the filter plate is automatically reset. A water purification tank is installed on one side of the mixing box to purify the wastewater and recycle it.

Benefits of technology

It improves the pulp filtration efficiency, prevents filter plates from being blocked, saves resource costs, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223304764U_ABST
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Abstract

The utility model relates to the technical field of waste paper recycling pretreatment, and discloses a pretreatment device for waste paper recycling, which comprises a stirring box, a filter plate and a bottom plate, a first motor and a second motor are installed on the stirring box, the output end of the first motor and the output end of the second motor are connected with a first rotating shaft and a second rotating shaft respectively, a plurality of stirring rods are fixed to the first rotating shaft, a plurality of push rods are fixed to the second rotating shaft, and a water purifying box is arranged on one side of the stirring box. A water conveying pipe and a connecting pipe are connected to the two sides of the water purifying tank respectively, a water pump is installed on one side of the stirring tank and connected with the water conveying pipe, and a spray head is connected to one side of the water pump; the filter plate and the bottom plate are arranged in the stirring box, the bottom plate is connected with the inner wall of the stirring box, elastic components are connected to the two sides of the inner wall of the stirring box, and one end of each elastic component is connected with the filter plate.
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Description

Technical Field

[0001] The utility model relates to the technical field of waste paper recycling pretreatment, and more specifically, to a pretreatment device for recycling waste paper. Background Art

[0002] Waste paper recycling pretreatment involves multiple steps and technologies designed to improve waste paper recycling efficiency and the quality of the recycled paper. The pretreatment process includes sorting, cleaning, shredding, and screening to ensure effective recycling. Corrugated cardboard is a sheet of paper bonded together with corrugated paper formed by corrugating rollers. It offers advantages such as low cost, lightweight, easy processing, high strength, excellent printability, and convenient storage and handling. Over 80% of corrugated paper can be recycled and reused. It can be used as packaging for food and digital products, making it relatively environmentally friendly and widely used.

[0003] At present, waste paper is filtered through filter plates during the process of mixing and pulping. Since the filter plates are placed stationary inside the box, the pulp will slowly lose water downward during the mixing process. The pulp contains paper pieces, which may cause the paper pieces to block the filter barrel on the filter plate, thereby reducing the filtration efficiency. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a pretreatment device for recycling and cyclic use of waste paper, which has the advantage of more precise operation.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pre-treatment device for recycling waste paper, comprising: a mixing box, a filter plate and a bottom plate; a first motor and a second motor are respectively installed on the mixing box, the output ends of the first motor and the second motor are respectively connected to a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are both arranged inside the mixing box, a plurality of stirring rods are fixed on the first rotating shaft, a plurality of push rods are fixed on the second rotating shaft, a clean water tank is provided on one side of the mixing box, and the two sides of the clean water tank are respectively connected to There are water supply pipes and connecting pipes. A water pump is installed on the side of the mixing box close to the clean water tank, and the water pump is connected to the water supply pipe. A plurality of nozzles are connected to the side of the water pump away from the water supply pipe, and one end of the connecting pipe away from the clean water tank is connected to the mixing box; the filter plate and the bottom plate are both arranged inside the mixing box, and the bottom plate is connected to the inner wall of the mixing box. Elastic components are connected on both sides of the inner wall of the mixing box, and one end of the elastic component is connected to the filter plate. The filter plate and the bottom plate are both arranged between the stirring rod and the push rod.

[0006] As a preferred technical solution of the present invention, the inner wall of the mixing box is processed into a curved surface on one side close to the connecting pipe, and the connecting pipe is arranged at the center of the curved surface; thereby improving the efficiency of pulp flow.

[0007] As an optimal technical solution of the present invention, the bottom plate is arranged on the side of the filter plate close to the connecting pipe, and a plurality of cones are arranged on the side of the bottom plate close to the filter plate, and the bottom plate is respectively arranged between the push rods; it is convenient to clean the blockage on the filter plate.

[0008] As an optimal technical solution of the present invention, slide grooves are provided on both sides of the inner wall of the mixing box, both sides of the filter plate are slidably connected to the slide grooves, and the elastic component is arranged inside the slide grooves; it is convenient for the push rod to push the filter plate and automatically reset the filter plate.

[0009] As a preferred technical solution of the present invention, the nozzles are arranged on the inner wall of the mixing box, and the nozzles are rotatably connected to the inner wall of the mixing box, so that people can adjust the angle between the nozzles and the mixing box easily.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: by arranging a push rod inside the mixing box and arranging elastic components on both sides of the filter plate, the push rod can be driven to rotate, periodically pushing the filter plate upward, and then cooperating with the elastic component to automatically reset the filter plate, and during the descent of the filter plate, it is cleaned by the cone on the bottom plate, which can effectively prevent the holes on the filter plate from being blocked, thereby ensuring the filtering efficiency of the pulp, and a clean water tank is arranged on one side of the mixing box. When the waste paper is pre-treated, the discharged wastewater can be purified by the clean water tank and recycled, saving costs for people and facilitating the improvement of people's work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0012] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0013] Figure 3 This is a schematic diagram of the internal structure of the mixing box of the utility model;

[0014] Figure 4 It is a schematic diagram of the overall structure of the bottom plate of the utility model.

[0015] In the figure: 1. Mixing tank; 2. Clean water tank; 3. Water pump; 4. Water supply pipe; 5. Filter plate; 6. First motor; 7. Connecting pipe; 8. Second motor; 9. Spray nozzle; 10. First rotating shaft; 11. Mixing rod; 12. Second rotating shaft; 13. Push rod; 14. Elastic component; 15. Bottom plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] like Figures 1 to 4 As shown, the utility model provides a pretreatment device for recycling waste paper, including: a mixing box 1, a filter plate 5 and a bottom plate 15; the mixing box 1 is respectively equipped with a first motor 6 and a second motor 8, the output ends of the first motor 6 and the second motor 8 are respectively connected to a first rotating shaft 10 and a second rotating shaft 12, the first rotating shaft 10 and the second rotating shaft 12 are both arranged inside the mixing box 1, a plurality of stirring rods 11 are fixed on the first rotating shaft 10, and a plurality of push rods 13 are fixed on the second rotating shaft 12, a clean water tank 2 is provided on one side of the mixing box 1, and the two sides of the clean water tank 2 are respectively connected to a water pipe 4 and a connecting pipe Taking over 7, a water pump 3 is installed on the side of the mixing box 1 close to the clean water tank 2, the water pump 3 is connected to the water pipe 4, and a plurality of nozzles 9 are connected to the side of the water pump 3 away from the water pipe 4, and the end of the connecting pipe 7 away from the clean water tank 2 is connected to the mixing box 1; the filter plate 5 and the bottom plate 15 are both arranged inside the mixing box 1, and the bottom plate 15 are connected to the inner wall of the mixing box 1, and elastic components 14 are connected on both sides of the inner wall of the mixing box 1, and one end of the elastic component 14 is connected to the filter plate 5, and the filter plate 5 and the bottom plate 15 are both arranged between the stirring rod 11 and the push rod 13.

[0018] The inner wall of the mixing box 1 on one side close to the connecting pipe 7 is processed into an arc surface, and the connecting pipe 7 is arranged at the center of the arc surface, thereby improving the efficiency of pulp flow.

[0019] The bottom plate 15 is provided on the side of the filter plate 5 close to the connecting pipe 7 , and a plurality of cones are provided on the side of the bottom plate 15 close to the filter plate 5 . The bottom plate 15 is respectively provided between the push rods 13 , so as to facilitate cleaning of blockages on the filter plate 5 .

[0020] Among them, slide grooves are opened on both sides of the inner wall of the mixing box 1, and both sides of the filter plate 5 are slidably connected to the slide grooves. The elastic component 14 is arranged inside the slide grooves; it is convenient for the push rod 13 to push the filter plate 5 and automatically reset the filter plate 5.

[0021] The nozzles 9 are arranged on the inner wall of the mixing box 1 , and are rotatably connected to the inner wall of the mixing box 1 , so that people can adjust the angle between the nozzles 9 and the mixing box 1 .

[0022] The working principle and use process of the utility model are as follows: people put waste paper into the mixing box 1, start the first motor 6 and the water pump 3 installed on both sides of the mixing box 1 respectively, so that the water pipe 4 sprinkles the clean water in the clean water tank 2 onto the waste paper inside the mixing box 1 through the nozzle 9, and the first rotating shaft 10 will drive the stirring rod 11 to stir the waste paper continuously. During the stirring process, people operate the panel on the clean water tank 2 to close the valve of the connecting pipe 7, so that the clean water is fully mixed with the waste paper into pulp, and then start the motor 6 installed on one side of the mixing box 1. The second motor 8 causes the second rotating shaft 12 to drive the push rod 13 to rotate. Since the push rod 13 is symmetrically arranged on the second rotating shaft 12, when the push rod 13 on one side collides with the filter plate 5, the filter plate 5 will be pushed upward. After the push rod 13 is away from the filter plate 5, the elastic component 14 drives the filter plate 5 to automatically reset. During the process of resetting the filter plate 5, the cone on the bottom plate 15 will clean the clogged holes on the filter plate 5. After people have processed the waste paper, the wastewater enters the clean water tank 2 through the connecting pipe 7 to complete the cycle.

[0023] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pretreatment device for recycling waste paper, characterized in that: The invention comprises: a mixing box (1), a filter plate (5) and a bottom plate (15); a first motor (6) and a second motor (8) are respectively installed on the mixing box (1); the output ends of the first motor (6) and the second motor (8) are respectively connected to a first rotating shaft (10) and a second rotating shaft (12); the first rotating shaft (10) and the second rotating shaft (12) are both arranged inside the mixing box (1); a plurality of stirring rods (11) are fixed on the first rotating shaft (10); a plurality of push rods (13) are fixed on the second rotating shaft (12); a clean water tank (2) is arranged on one side of the mixing box (1); a water pipe (4) and a connecting pipe (7) are respectively connected to both sides of the clean water tank (2); the mixing box (1) is close to the A water pump (3) is installed on one side of the clean water tank (2), and the water pump (3) is connected to the water supply pipe (4). A side of the water pump (3) away from the water supply pipe (4) is connected to a plurality of nozzles (9). One end of the connecting pipe (7) away from the clean water tank (2) is connected to the mixing box (1); the filter plate (5) and the bottom plate (15) are both arranged inside the mixing box (1), and the bottom plate (15) is connected to the inner wall of the mixing box (1). Both sides of the inner wall of the mixing box (1) are connected to elastic components (14), and one end of the elastic component (14) is connected to the filter plate (5). The filter plate (5) and the bottom plate (15) are both arranged between the stirring rod (11) and the push rod (13).

2. The pretreatment device for recycling waste paper according to claim 1, characterized in that: The inner wall of the mixing box (1) is processed into a curved surface on one side close to the connecting pipe (7), and the connecting pipe (7) is arranged at the center of the curved surface.

3. The pretreatment device for waste paper recycling according to claim 1, characterized in that: The bottom plate (15) is provided on a side of the filter plate (5) close to the connecting pipe (7), and a plurality of cones are provided on a side of the bottom plate (15) close to the filter plate (5). The bottom plate (15) is respectively provided between the push rods (13).

4. The pretreatment device for recycling waste paper according to claim 1, characterized in that: Slide grooves are provided on both sides of the inner wall of the mixing box (1), both sides of the filter plate (5) are slidably connected to the slide grooves, and the elastic component (14) is arranged inside the slide grooves.

5. The pretreatment device for recycling waste paper according to claim 1, characterized in that: The nozzles (9) are arranged on the inner wall of the mixing box (1), and the nozzles (9) are rotatably connected to the inner wall of the mixing box (1).