Hydraulic pulper for paper production

By introducing screw feeder, scraper plate and crushing scraper teeth into the hydraulic pulper, the problems of waste paper floating and adhesion are solved, the breaking and filtration efficiency is improved, and the efficient operation of the hydraulic pulper is ensured. .

CN222349382UActive Publication Date: 2025-01-14ZHUMADIAN BAIYUN PAPER CO LTD
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Patent Information

Application Number
CN202421242114.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-01-14
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

When existing hydraulic pulpers break up waste paper, the waste paper easily floats above the pulp bucket or sticks to the inner wall, resulting in a reduced breakage efficiency.

Method used

A hydraulic pulping machine for paper production is designed, including a screw feeder, a pulverized motor, an L-shaped scraper plate, a crushing scraper teeth and a vibration motor. The scraper plate is driven to scrape off the adherent materials through the screw feeder. The second pulp teeth cooperate with the first pulp teeth, crushing the scraping teeth prevents the filter plate from being blocked, and the vibrating motor prevents the filter plate from being blocked.

Benefits of technology

Improve the breaking efficiency, prevent waste paper from sticking to the inner wall of the pulp barrel, ensure smooth material transportation and filtration, and enhance breaking and filtration efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of paper production, in particular to a hydraulic pulper for paper production, which comprises a pulping barrel, a spiral conveyor is vertically and downwards arranged at the top of the pulping barrel, and a feeding hopper is arranged on the right side of the spiral conveyor. A repulping device is arranged below the spiral material conveying machine and comprises a repulping motor, the repulping motor is vertically and upwards fixed at the bottom of the repulping barrel, a repulping rod is fixed on a rotor of the repulping motor, one end of the repulping rod upwards extends into the repulping barrel, and the other end of the repulping rod extends into the repulping barrel. A plurality of repulping fan blades are arranged on the repulping rod, and a plurality of first repulping teeth are uniformly distributed on the repulping fan blades. According to the hydraulic pulper for paper production, the pulping can be improved, and waste paper is prevented from being adhered to the inner wall of the pulping barrel.
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Description

Technical Field

[0001] The utility model relates to the technical field of paper production, in particular to a hydraulic pulper for paper production. Background Art

[0002] The hydraulic pulper is a machine that uses hydraulic and mechanical forces to break up water-soaked pulp boards, waste paper (paperboard), etc., breaking up the pulp boards, waste paper (paperboard), etc. into pulp fiber suspensions, and separating heavy and large impurities from the fibers. The existing hydraulic pulper has a simple structure. When breaking up waste paper, etc., some waste paper will float above the pulping barrel, and during breaking up, some waste paper will adhere to the inner wall of the pulping barrel, resulting in reduced breaking efficiency. Utility Model Content

[0003] Purpose of the utility model: The utility model provides a hydraulic pulper for paper production, which can improve the disintegration and prevent waste paper from adhering to the inner wall of the pulping barrel.

[0004] In order to achieve the above object, the technical solution of the utility model is as follows:

[0005] A hydraulic pulper for paper production comprises a pulping barrel, a screw conveyor is vertically arranged downward from the top of the pulping barrel, and a feeding funnel is arranged on the right side of the screw conveyor;

[0006] A pulping device is provided below the screw conveyor, and the pulping device includes a pulping motor, and the pulping motor is vertically fixed to the bottom of the pulping barrel, a pulping rod is fixed on the rotor of the pulping motor, one end of the pulping rod extends upward to the inside of the pulping barrel, a plurality of pulping blades are provided on the pulping rod, and a plurality of first pulping teeth are evenly distributed on the pulping blades;

[0007] An L-shaped scraper plate is fixed at the bottom of the feed shaft of the screw machine, one side of the L-shaped scraper plate can be attached to the inner wall of the pulping barrel, and a plurality of second pulping teeth are evenly distributed on one side of the L-shaped scraper plate.

[0008] As an improvement: a limiting groove is provided in the pulping barrel, and a convex block is provided on the L-shaped scraper plate, and the convex block can be rotatably clamped in the limiting groove.

[0009] As an improvement: a filter screen is provided below the pulping fan blade, a connecting rod is provided above the filter screen, one end of the connecting rod is fixed on the pulping rod, and a plurality of crushing scraping teeth are evenly distributed below the connecting rod.

[0010] As an improvement: a conical protrusion block is provided below the filter screen plate, the pulping rod is rotatably arranged inside the conical protrusion block, a first discharge funnel is provided on the left side of the conical protrusion block, and a second discharge funnel is provided on the right side thereof;

[0011] A first electric valve is provided at the bottom of the first discharge hopper, and a second electric valve is provided at the bottom of the second discharge hopper.

[0012] As an improvement: two vibration motors are symmetrically arranged on both sides of the filter screen plate.

[0013] In summary, the utility model has the following beneficial effects:

[0014] 1. The material on the top of the pulping barrel can be quickly transported to the pulping blades for crushing through the screw conveyor. During the rotation of the screw conveyor, the L-shaped scraper can be driven to scrape off the material adhering to the inner wall of the pulping barrel;

[0015] 2. The second pulping teeth can cooperate with the first pulping teeth to further improve the efficiency of pulping;

[0016] 3. Crushing and scraping teeth can crush the materials on the filter screen to prevent them from clogging the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution in the present practical embodiment, the drawings required for use in the embodiment or the description of the prior art will be briefly introduced below.

[0018] Figure 1 It is a schematic diagram of the overall structure of a hydraulic pulper used in paper production;

[0019] Among them: 1. pulping barrel; 2. screw feeder; 3. feeding funnel; 4. pulping motor; 5. pulping rod; 6. pulping fan blade; 7. first pulping tooth; 8. L-shaped scraper plate; 9. second pulping tooth; 10. limit groove; 11. protrusion; 12. filter screen plate; 13. connecting rod; 14. crushing scraper tooth; 15. conical protrusion block; 16. first discharging funnel; 17. second discharging funnel; 18. first electric valve; 19. second electric valve; 20. vibration motor. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] Please refer to Figure 1 A hydraulic pulper for paper production includes a pulping barrel 1, a screw conveyor 2 is vertically arranged on the top of the pulping barrel 1, and a feeding funnel 3 is arranged on the right side of the screw conveyor 2;

[0022] A pulping device is provided below the screw conveyor 2, and the pulping device includes a pulping motor 4, which is vertically fixed to the bottom of the pulping barrel 1, and a pulping rod 5 is fixed on the rotor of the pulping motor 4, one end of the pulping rod 5 extends upward to the inside of the pulping barrel 1, and a plurality of pulping blades 6 are provided on the pulping rod 5, and a plurality of first pulping teeth 7 are evenly distributed on the pulping blades 6;

[0023] An L-shaped scraper plate 8 is fixed at the bottom of the feed shaft of the screw conveyor, one side of the L-shaped scraper plate 8 can be attached to the inner wall of the pulping barrel 1, and a plurality of second pulping teeth 9 are evenly distributed on one side of the L-shaped scraper plate 8. The second pulping teeth 9 can cooperate with the first pulping teeth 7 to further improve the efficiency of pulping.

[0024] In this embodiment, the material on the top of the pulping barrel 1 can be quickly transported to the pulping blades 6 for crushing by the screw conveyor 2. During the rotation of the screw conveyor 2, the L-shaped scraper plate 8 can be driven to scrape off the material adhering to the inner wall of the pulping barrel 1.

[0025] In this embodiment, a limiting groove 10 is provided in the pulping barrel 1, and a protrusion 11 is provided on the L-shaped scraper plate 8. The protrusion 11 can be rotatably clamped in the limiting groove 10, thereby improving the rotation stability of the L-shaped scraper plate 8.

[0026] In this embodiment, a filter screen plate 12 is provided below the pulping blades 6, and a connecting rod 13 is provided above the filter screen plate 12. One end of the connecting rod 13 is fixed to the pulping rod 5, and a plurality of crushing scraping teeth 14 are evenly distributed below the connecting rod 13. The crushing scraping teeth 14 can crush the material on the filter screen plate 12 to prevent it from clogging the filter screen plate 12.

[0027] A conical protrusion block 15 is provided below the filter screen plate 12, and the pulping rod 5 is rotatably arranged inside the conical protrusion block 15. A first discharge funnel 16 is provided on the left side of the conical protrusion block 15, and a second discharge funnel 17 is provided on the right side thereof; and a first electric valve 18 is provided at the bottom of the first discharge funnel 16, and a second electric valve 19 is provided at the bottom of the second discharge funnel 17. In this embodiment, the conical protrusion block 15 allows the crushed material to flow smoothly into the first discharge funnel 16 and the second discharge funnel 17.

[0028] In this embodiment, two vibration motors 20 are symmetrically arranged on both sides of the filter screen plate 12. The vibration motor 20 can transmit vibration to the filter screen plate 12 to further prevent the filter screen plate 12 from being blocked and improve the filtering efficiency.

[0029] Working principle: waste paper and the like are placed into the pulping barrel 1 through the feed funnel 3, and the screw conveyor 2 is started to convey the materials downward to the pulping fan blades 6 for crushing. During the crushing process, the L-shaped scraper plate 8, driven by the screw conveyor 2, can scrape off the materials adhering to the inner wall of the pulping barrel 1, and the qualified crushed materials are filtered through the filter plate 12 and discharged into the first discharge funnel 16 and the second discharge funnel 17.

[0030] In the crushing process, the pulping motor 4 can drive the connecting rod 13 to rotate. Through high-speed rotation, the crushing scraper teeth 14 can crush the material on the filter screen plate 12, thereby preventing larger materials from blocking the filter screen plate 12 from feeding.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A hydraulic pulper for paper production, characterized in that: It comprises a pulping barrel, a screw conveyor is vertically arranged on the top of the pulping barrel, and a feeding funnel is arranged on the right side of the screw conveyor; A pulping device is provided below the screw conveyor, and the pulping device includes a pulping motor, and the pulping motor is vertically fixed to the bottom of the pulping barrel, a pulping rod is fixed on the rotor of the pulping motor, one end of the pulping rod extends upward to the inside of the pulping barrel, a plurality of pulping blades are provided on the pulping rod, and a plurality of first pulping teeth are evenly distributed on the pulping blades; An L-shaped scraper plate is fixed at the bottom of the feed shaft of the screw conveyor, one side of the L-shaped scraper plate can be attached to the inner wall of the pulping barrel, and a plurality of second pulping teeth are evenly distributed on one side of the L-shaped scraper plate.

2. The hydraulic pulper for paper production according to claim 1, characterized in that: A limiting groove is arranged in the pulping barrel, and a convex block is arranged on the L-shaped scraper plate. The convex block can be rotatably clamped in the limiting groove.

3. The hydraulic pulper for paper production according to claim 1, characterized in that: A filter screen is arranged below the pulping fan blades, a connecting rod is arranged above the filter screen, one end of the connecting rod is fixed on the pulping rod, and a plurality of crushing scraping teeth are evenly distributed below the connecting rod.

4. The hydraulic pulper for paper production according to claim 3, characterized in that: A conical protrusion block is provided below the filter screen plate, the pulping rod is rotatably arranged inside the conical protrusion block, a first discharge funnel is provided on the left side of the conical protrusion block, and a second discharge funnel is provided on the right side thereof; A first electric valve is provided at the bottom of the first discharge hopper, and a second electric valve is provided at the bottom of the second discharge hopper.

5. The hydraulic pulper for paper production according to claim 3, characterized in that: Two vibration motors are symmetrically arranged on both sides of the filter screen plate.