Pulping device for production of regenerated cardboard paper
By designing a slurry device containing multiple dynamic grinding discs and static grinding discs, combined with the design of spiral blades and drainage tanks, the blockage problem of existing slurry equipment under fine grinding and high slurry concentration is solved, uniform grinding and continuous dehydration of slurry is achieved, and production efficiency is improved and costs are reduced.
Patent Information
- Application Number
- CN202421933335.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The existing slurry refining equipment needs to adjust the distance of the grinding disc multiple times or use multiple equipment to grind multiple times. The use is complicated and the outlet is easily blocked when the slurry concentration is large, which requires manual cleaning, affecting the use of the equipment and increasing production costs.
A pulping device for production of recycled box board and paper is designed, including multiple dynamic grinding discs and static grinding discs in the grinder body, as well as static grinding discs and static grinding discs at the outlet of the feed pipe. The thrust of the spiral blades prevents the slurry from being blocked, and continuous dehydration is achieved through the drain tank and the water outlet hole.
Multiple uniform grinding of the slurry is achieved to prevent outlet blockage, ensure complete dehydration of the slurry, improve production efficiency and reduce production costs.
Smart Images
Figure CN222861949U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of recycled boxboard production, in particular to a pulping device for recycled boxboard production. Background Art
[0002] Recycled paper is made from waste paper as pulp, which is crushed, decolorized and pulped through a variety of processes. 80% of recycled paper pulp comes from recycled waste paper, so it is known as low-energy, low-pollution and environmentally friendly paper. Papermaking is a very complicated process, mainly including pulping and papermaking. At present, papermaking companies generally use pulpers to refine the pulp in order to make the pulp more flexible.
[0003] In the existing pulping equipment, if fine pulping is desired, the distance between the grinding discs needs to be adjusted multiple times or two or more pulping equipment needs to be used for multiple grinding to ensure the fineness. This is relatively complicated to use, and when the concentration of the pulp is high, it cannot be discharged from the pulping machine in time, which will cause the pulping machine outlet to be blocked and require manual cleaning, which greatly affects the use of the equipment and increases production costs. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] In view of the deficiencies of the prior art, the utility model provides a pulping device for producing recycled boxboard paper, which can perform multiple grindings and avoid discharge blockage.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulping device for producing recycled containerboard paper comprises a grinding machine body, a rotating rod 1 is rotatably connected to the inner side wall of the grinding machine body, a plurality of moving grinding discs 1 are fixedly connected to the rotating rod 1, a plurality of guide discs are fixedly connected to the inner side wall of the grinding machine body, a static grinding disc 1 is fixedly connected to the bottom side wall of the plurality of guide discs, a feeding through slot which is arranged through is provided on the grinding machine body, a feeding pipe is fixedly connected to the side wall of the feeding pipe, a supporting rod is fixedly connected to the side wall of the feeding pipe, a rotating motor is fixedly connected to the bottom side wall of the supporting rod, a moving grinding disc 2 and a rotating rod 2 are fixedly connected to the output end of the rotating motor, the rotating rod 2 extends into the feeding pipe and the grinding machine body, a plurality of spiral blades are fixedly connected to the rotating rod 2, a static grinding disc 2 is fixedly connected to the side wall of the feeding pipe, a helical gear is fixedly connected to the rotating rod 2 and the rotating rod 1, and the two helical gears are meshingly connected.
[0008] Preferably, a filter mesh tube is fixedly connected to the inner side wall of the feed conveying pipe, a drain groove is provided on the inner side wall of the feed conveying pipe, and a water outlet hole is provided in a penetrating manner on the side wall of the drain groove.
[0009] Preferably, a sealing box is fixedly connected to the inner side wall of the grinding machine body, and the upper end of the sealing box is arranged in an inclined shape.
[0010] Preferably, a plurality of rotating blades are fixedly connected to the upper end of the rotating rod 1.
[0011] Preferably, a plurality of grinding teeth are arranged on the side walls of the movable grinding disc 1, the static grinding disc 1, the static grinding disc 2 and the movable grinding disc 2.
[0012] Preferably, the spacing between the plurality of spiral blades decreases from left to right.
[0013] Preferably, the inner side wall of the grinding machine body is arranged in an inclined shape.
[0014] (III) Beneficial effects
[0015] Compared with the prior art, the utility model provides a pulping device for recycled containerboard production, which has the following beneficial effects:
[0016] 1. By setting multiple moving grinding discs and static grinding discs in the grinding machine body and static grinding discs and moving grinding discs at the outlet of the feed pipe, the slurry passes through multiple grinding discs with different intervals in turn, realizing multiple grinding of the slurry, ensuring uniform and thorough grinding, and through the thrust of the spiral blades, it can effectively prevent the slurry from being blocked at the outlet.
[0017] 2. Through the setting of squeezing out the water in the slurry, under the action of gravity, the water in the slurry drips into the drain trough, and is discharged out of the device through the water outlet hole. As the volume of the chamber between the spiral blades continues to decrease, the internal pressure gradually increases, and continuous dehydration can be achieved to ensure the dehydration effect of the slurry.
[0018] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0021] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;
[0022] Figure 3 It is a schematic diagram of the cross-sectional structure in the top view of the present utility model.
[0023] In the figure: 1. grinding machine body; 2. rotating rod 1; 3. guide plate; 4. static grinding disc 1; 5. dynamic grinding disc 1; 6. feeding pipe; 7. rotating rod 2; 8. spiral blade; 9. static grinding disc 2; 10. dynamic grinding disc 2; 11. rotating motor; 12. support rod; 13. filter mesh tube; 14. drain trough; 15. water outlet; 16. bevel gear; 17. sealing box; 18. rotating blade. DETAILED DESCRIPTION
[0024] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.
[0025] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0027] Embodiment 1:
[0028] Please combine Figures 1 to 3As shown, the utility model provides a pulping device for producing recycled boxboard paper, including a grinding machine body 1, a rotating rod 2 is rotatably connected to the inner side wall of the grinding machine body 1, a plurality of movable grinding discs 5 are fixedly connected to the rotating rod 2, a plurality of guide discs 3 are fixedly connected to the inner side wall of the grinding machine body 1, a static grinding disc 4 is fixedly connected to the bottom side wall of the plurality of guide discs 3, a feeding through slot is provided in the grinding machine body 1, a feeding pipe 6 is fixedly connected to the side wall of the grinding machine body 1, and a feeding pipe 6 is fixedly connected to the feeding pipe 6. A support rod 12 is fixedly connected to the side wall of the feed pipe 6, a rotating motor 11 is fixedly connected to the bottom side wall of the support rod 12, a movable grinding disc 2 10 and a rotating rod 2 7 are fixedly connected to the output end of the rotating motor 11, the rotating rod 2 7 extends into the feed pipe 6 and the grinding machine body 1, a plurality of spiral blades 8 are fixedly connected to the rotating rod 2 7, a static grinding disc 2 9 is fixedly connected to the side wall of the feed pipe 6, a helical gear 16 is fixedly connected to the rotating rod 2 7 and the rotating rod 1 2, and the two helical gears 16 are meshed and connected;
[0029] When in use, pour the mixed slurry into the grinding machine body 1, start the rotating motor 11, and the output end of the rotating motor 11 rotates to drive the rotating rod 2 7 to rotate, thereby causing the upper bevel gear 16 to rotate, and under the meshing of another bevel gear 16, the rotating rod 2 also rotates, thereby driving the multiple moving grinding discs 1 5 and the moving grinding disc 2 10 to rotate, and multiple grindings are performed on the multiple moving grinding discs 1 5 and the multiple static grinding discs 1 4, and then the ground slurry is pushed to the static grinding disc 2 9 by the rotating spiral blade 8, and the slurry is ground again after passing through the rotating moving grinding disc 2 10. The push of the spiral blade 8 can prevent the slurry from being blocked at the outlet of the feed pipe 6 or on the static grinding disc 2 9, and the distance between each two grinding discs is shortened from the beginning to the end, which can improve the fine grinding effect.
[0030] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working method, as described below for details.
[0031] Embodiment 2:
[0032] A filter mesh tube 13 is fixedly connected to the inner side wall of the feed pipe 6, a drain groove 14 is provided on the inner side wall of the feed pipe 6, a water outlet hole 15 is provided on the side wall of the drain groove 14, and the distance between the plurality of spiral blades 8 is shortened from left to right;
[0033] The slurry contains a certain amount of water. When the slurry enters the feed pipe 6, it can drip into the drain tank 14 below through the filter mesh tube 13 under the action of gravity, and then flow out through the water outlet 15. At the same time, the slurry is squeezed in the densely packed areas of the spiral blades 8. As the spiral blades 8 rotate and move forward continuously, the volume of the chamber between the spiral blades 8 becomes smaller and smaller. Under the action of the moving grinding disc 10, the internal pressure gradually increases, and finally continuous dehydration is achieved.
[0034] A sealing box 17 is fixedly connected to the inner side wall of the grinding machine body 1. The upper end of the sealing box 17 is arranged in an inclined shape. The sealing box 17 wraps the helical gear 16 inside, which can prevent the slurry from being stuck in the gear teeth of the two helical gears 16 and causing the helical gear 16 to be obstructed from rotating.
[0035] A plurality of rotating blades 18 are fixedly connected to the upper end of the rotating rod 2 , and the rotating blades 18 stir the slurry entering the grinding machine body 1 and push the slurry toward the central channel of the uppermost guide plate 3 .
[0036] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.
Claims
1. A pulping device for producing recycled containerboard, comprising a grinding machine body (1), characterized in that: A rotating rod (2) is rotatably connected to the inner side wall of the grinding machine body (1), and a plurality of movable grinding discs (5) are fixedly connected to the rotating rod (2). A plurality of guide discs (3) are fixedly connected to the inner side wall of the grinding machine body (1), and a static grinding disc (4) is fixedly connected to the bottom side wall of each of the plurality of guide discs (3). A feed through slot is provided in the grinding machine body (1) and a feed pipe (6) is fixedly connected to the side wall of the grinding machine body (1). A support rod (12) is fixedly connected to the side wall of the feed pipe (6). A rotating motor (11) is fixedly connected to the bottom side wall of the rotating motor (12); a movable grinding disc (10) and a rotating rod (7) are fixedly connected to the output end of the rotating motor (11); the rotating rod (7) extends into the feed pipe (6) and the grinding machine body (1); a plurality of spiral blades (8) are fixedly connected to the rotating rod (7); a static grinding disc (9) is fixedly connected to the side wall of the feed pipe (6); a bevel gear (16) is fixedly connected to both the rotating rod (7) and the rotating rod (2); and the two bevel gears (16) are meshingly connected.
2. The pulping device for producing recycled containerboard according to claim 1, characterized in that: A filter mesh tube (13) is fixedly connected to the inner side wall of the feed conveying pipe (6), a drain groove (14) is provided on the inner side wall of the feed conveying pipe (6), and a water outlet hole (15) is provided on the side wall of the drain groove (14) in a penetrating manner.
3. The pulping device for producing recycled containerboard according to claim 2, characterized in that: A sealing box (17) is fixedly connected to the inner side wall of the grinding machine body (1), and the upper end of the sealing box (17) is arranged in an inclined shape.
4. A pulping device for producing recycled containerboard according to claim 3, characterized in that: A plurality of rotating blades (18) are fixedly connected to the upper end of the rotating rod 1 (2).
5. A pulping device for producing recycled containerboard according to claim 4, characterized in that: The side walls of the movable grinding disc 1 (5), the static grinding disc 1 (4), the static grinding disc 2 (9) and the movable grinding disc 2 (10) are all provided with a plurality of grinding teeth.
6. A pulping device for producing recycled containerboard according to claim 5, characterized in that: The distances between the plurality of spiral blades (8) decrease from left to right.
7. A pulping device for producing recycled containerboard according to claim 6, characterized in that: The inner side wall of the grinding machine body (1) is arranged in an inclined shape.