Bagasse depithing device

By combining the rotary screening cylinder and the extrusion components, the problem of low pith removal efficiency of sugarcane bagasse was solved, achieving efficient separation and automated discharge of sugarcane pith and fiber, thus improving production efficiency.

CN223951504UActive Publication Date: 2026-02-27SICHUAN LINGXI HUIZE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520728938.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-02-27
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

Existing sugarcane bagasse pith removal devices are ineffective, inefficient, and fail to fully separate the sugarcane pith, thus affecting subsequent utilization.

Method used

A rotating component drives the screening cylinder to rotate, which in turn compresses the sugarcane bagasse. By utilizing the combined effect of centrifugal force and mechanical pressure, the pith and fiber are efficiently separated, and the bagasse is automatically discharged through a conveying component in the discharge cylinder.

Benefits of technology

It improves the pith removal effect, ensures full separation of sugarcane pith, reduces labor intensity, increases production efficiency, and automates the pith removal process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bagasse depithing device, and relates to the technical field of paper pulp production equipment. Comprising a depithing cylinder, a feeding pipe and a depithing mechanism, the feeding pipe is fixedly embedded in the top of the outer wall of the depithing cylinder, the depithing mechanism is arranged in the depithing cylinder, the depithing mechanism comprises a screening cylinder, a rotating component and an extruding component, the rotating component is arranged in the depithing cylinder, the screening cylinder is arranged on the rotating component, the extruding component is arranged on the depithing cylinder, and the deslagging mechanism is arranged on the depithing cylinder. The rotating component comprises a limiting plate and a driving assembly, and the limiting plate is fixedly arranged on the inner wall of the depithing cylinder. According to the bagasse depithing device, the screening cylinder is driven to rotate through the rotating component, bagasse rolls in the screening cylinder, meanwhile, the extruding component is matched to extrude the bagasse, separation of pith and fibers can be effectively promoted, the depithing effect is improved, the bagasse subjected to pith removal is automatically discharged through the conveying component in the bagasse discharging cylinder, and the efficiency is improved. And automation of the depithing process is realized, the labor intensity is reduced, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to paper pulp production equipment technical field, concretely is a kind of sugarcane residue pith removing device. BACKGROUND

[0002] Fiber raw material is important resource of pulping and papermaking, for example, sugarcane residue, wheat straw, reed, bamboo and the like, promote the sustainable development of paper industry, among them, sugarcane residue is by-product of sugar factory, is commonly used papermaking fiber raw material, and there are generally more sponge-like sugarcane pith in sugarcane residue raw material, and sugarcane pith is the important reason leading to paper brittle, poor strength, therefore, before using sugarcane residue to make pulp and paper, sugarcane residue needs to be pith removing treatment, reduce the content of sugarcane pith in sugarcane residue, when pith removing to sugarcane residue, generally separated sugarcane residue fiber and sugarcane pith by pith removing device, and sugarcane residue fiber is used to make pulp and paper, and sugarcane pith is waste, needs to be collected, to avoid its pollution environment.

[0003] The authorized publication number "CN215518123U" records "a kind of sugarcane residue pith removing device, including driving motor, rotating shaft, screen, pith removing cylinder and sugarcane pith interface plate, pith removing cylinder is provided with feed inlet and discharge port, driving motor is connected with rotating shaft, rotating shaft is provided with rotating blade, rotating shaft, screen and sugarcane pith interface plate are all arranged in the inside of pith removing cylinder, screen is coaxially arranged on the outer circumferential side of rotating shaft, sugarcane pith interface plate is arranged below screen, the inner wall of pith removing cylinder is provided with slide rail, sugarcane pith interface plate is slidably assembled in the slide rail, one side of pith removing cylinder is provided with sugarcane pith outlet, and sugarcane pith interface plate extends to the outside of pith removing cylinder from sugarcane pith outlet.The utility model connects sugarcane pith interface plate and pith removing cylinder as sliding connection, so that sugarcane pith interface plate can slide to the outside of pith removing cylinder from sugarcane pith outlet, it is convenient to recycle sugarcane pith on sugarcane pith interface plate without the aid of other auxiliary tools to extend to the inside of pith removing cylinder, so as to provide work efficiency".

[0004] The above-mentioned patent connects sugarcane pith interface plate and pith removing cylinder as sliding connection, so that sugarcane pith interface plate can slide to the outside of pith removing cylinder from sugarcane pith outlet, it is convenient to recycle sugarcane pith on sugarcane pith interface plate, but the pith removing effect of the above-mentioned patent to sugarcane residue is poor, and the efficiency is low, only by agitating sugarcane residue after rolling, it is difficult to separate sugarcane pith in sugarcane residue sufficiently, so that sugarcane residue after pith removing still contains more sugarcane pith, which affects the subsequent use of sugarcane residue. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of sugarcane residue pith removing device, rotating component is rotated by being driven, make sugarcane residue tumble in screen cylinder, simultaneously cooperate extrusion component and extrude sugarcane residue, can effectively promote the separation of pith and fiber, improve the pith removing effect, sugarcane residue after pith removing is automatically discharged by the conveying component in slag cylinder, realize the automation of pith removing process, reduce labour intensity, improve production efficiency.

[0006] To achieve the above object, the utility model discloses the following technical scheme to realize: a sugarcane residue pith removing device, including:

[0007] Pith removing cylinder;

[0008] Feed pipe, fixedly embedded in the top of the outer wall of pith removing cylinder;

[0009] Pith removing mechanism, be located in pith removing cylinder, the pith removing mechanism includes screening cylinder, rotating part and extrusion part, the rotating part is located in pith removing cylinder, the screening cylinder is located on rotating part, and the extrusion part is located on pith removing cylinder;

[0010] Residue discharging mechanism, be located on pith removing cylinder.

[0011] Further, the rotating part includes a limit plate and a drive assembly, the limit plate is fixedly arranged on the inner wall of the pith removing cylinder, and the drive assembly is arranged on the limit plate, and the screening cylinder is movably embedded on the top of the outer wall of the limit plate.

[0012] Further, the drive assembly includes a servo motor, a pinion and a large gear, the servo motor is mounted on one side of the inner wall of the pith removing cylinder through bolts, the pinion is fixedly arranged on the output end of the servo motor, and the large gear is fixedly sleeved on the outer wall of the screening cylinder and engaged with the pinion.

[0013] Further, the extrusion part includes an extrusion plate and two telescopic cylinders, each telescopic cylinder is mounted on the top of the outer wall of the pith removing cylinder, and the extrusion plate is fixedly arranged on the output end of each telescopic cylinder.

[0014] Further, the residue discharging mechanism includes a residue discharging cylinder, a conveying component and a residue discharge port, the residue discharging cylinder is fixedly arranged and embedded on the top of the outer wall of the pith removing cylinder, the residue discharge port is fixedly arranged on one side of the outer wall of the residue discharging cylinder close to the top edge, and the conveying component is arranged in the residue discharging cylinder.

[0015] Further, the conveying component includes a conveying motor, a conveying shaft and a spiral blade, the conveying motor is mounted on the top of the outer wall of the residue discharging cylinder through bolts, the conveying shaft is fixedly arranged on the output end of the conveying motor, and the spiral blade is fixedly sleeved on the outer wall of the conveying shaft.

[0016] The utility model provides a sugarcane residue pith removing device.

[0017] (1), the sugarcane residue pith removing device, rotates the screening cylinder through rotating part, makes sugarcane residue tumble in screening cylinder, and cooperates extrusion part to extrude sugarcane residue, can effectively promote the separation of pith and fiber, improves the pith removing effect.

[0018] (2), the bagasse pith removing device, through the conveying part in the slag discharge cylinder, the bagasse pith after removing is automatically discharged, realizes the automation of the pith removing process, reduces the labor intensity, improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the perspective view of the utility model;

[0020] Fig. 2 It is the sectional view of the utility model;

[0021] Fig. 3 It is the sectional view of the screening cylinder of the utility model.

[0022] In the figure: 1, pith removing cylinder; 2, feed pipe; 3, pith removing mechanism; 301, screening cylinder; 302, limit plate; 303, servo motor; 304, pinion; 305, gear; 306, extrusion plate; 307, telescopic cylinder; 4, slag discharging mechanism; 401, slag discharge cylinder; 402, slag discharge port; 403, conveying motor; 404, conveying shaft; 405, spiral blade. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figs. 1-3 The utility model provides a technical scheme: a bagasse pith removing device, comprising:

[0025] Pith removing cylinder 1;

[0026] Feed pipe 2, fixedly embedded in the top of the outer wall of pith removing cylinder 1;

[0027] Pith removing mechanism 3 is arranged in pith removing cylinder 1, and pith removing mechanism 3 includes screening cylinder 301, rotating part and extrusion part, the rotating part is arranged in pith removing cylinder 1, the screening cylinder 301 is arranged on the rotating part, and the extrusion part is arranged on pith removing cylinder 1;

[0028] Slag discharging mechanism 4 is arranged on pith removing cylinder 1.

[0029] In the embodiment, the crushed bagasse is fed into the pith-removing cylinder 1 through the feeding pipe 2, the centrifugal force and mechanical pressure are combined to realize efficient separation of fiber and pith cells through the pith-removing mechanism 3, the screen cylinder 301 is rotated by the rotating part, the bagasse pith is thrown out by centrifugal force, the bagasse in the screen cylinder 301 is extruded by the extruding part, the bagasse pith is further separated, the pith-removing effect is improved, the bagasse pith is fully separated, the fiber is automatically discharged after the pith is removed through the discharging mechanism 4, the automation of the pith-removing process is realized, and the labor intensity is reduced.

[0030] Specifically, the rotating part includes a limiting plate 302 and a driving assembly, the limiting plate 302 is fixedly arranged on the inner wall of the pith-removing cylinder 1, and the driving assembly is arranged on the limiting plate 302. The screen cylinder 301 is movably embedded on the top of the outer wall of the limiting plate 302.

[0031] In the embodiment, the limiting plate 302 is used for mounting and placing the screen cylinder 301, and the driving assembly is used for driving the screen cylinder 301 to rotate on the limiting plate 302.

[0032] Specifically, the driving assembly includes a servo motor 303, a pinion 304 and a gear 305. The servo motor 303 is mounted on one side of the inner wall of the pith-removing cylinder 1 by bolts, the pinion 304 is fixedly arranged on the output end of the servo motor 303, and the gear 305 is fixedly arranged on the outer wall of the screen cylinder 301 and engaged with the pinion 304.

[0033] In the embodiment, the servo motor 303 drives the pinion 304 to rotate under the condition of being electrified, the gear 305 drives the screen cylinder 301 to rotate under the action of centrifugal force, and the bagasse pith in the bagasse is thrown out.

[0034] Specifically, the extruding part includes an extruding plate 306 and two telescopic cylinders 307. Each telescopic cylinder 307 is mounted on the top of the outer wall of the pith-removing cylinder 1, and the extruding plate 306 is fixedly arranged on the output end of each telescopic cylinder 307.

[0035] In the embodiment, the telescopic cylinder 307 drives the extruding plate 306 to move in the screen cylinder 301, the bagasse in the screen cylinder 301 is extruded, the bagasse pith in the bagasse is further separated, and the pith-removing effect is improved.

[0036] Specifically, the discharging mechanism 4 includes a discharging cylinder 401, a conveying part and a discharging port 402. The discharging cylinder 401 is fixedly arranged and embedded on the top of the outer wall of the pith-removing cylinder 1, the discharging port 402 is fixedly arranged on one side of the outer wall of the discharging cylinder 401 close to the edge of the top, and the conveying part is arranged in the discharging cylinder 401.

[0037] In the embodiment, the conveying part conveys the sugarcane fiber after the pith is removed to the residue discharging port 402, and the residue is automatically discharged from the residue discharging port 402.

[0038] Specifically, the conveying part comprises a conveying motor 403, a conveying shaft 404 and a spiral blade 405, the conveying motor 403 is bolted to the top of the outer wall of the residue discharging cylinder 401, the conveying shaft 404 is fixedly arranged at the output end of the conveying motor 403, and the spiral blade 405 is fixedly sleeved on the outer wall of the conveying shaft 404.

[0039] In the embodiment, the conveying shaft 404 is driven to rotate by the conveying motor 403, the conveying shaft 404 drives the spiral blade 405 to rotate, the spiral blade 405 conveys the sugarcane residue in the residue discharging cylinder 401 to the direction of the residue discharging port 402, and finally the residue is discharged from the residue discharging port 402, the power sources of the conveying motor 403, the telescopic cylinder 307 and the servo motor 303 are derived from an external power supply, and the conveying motor 403 should be electrically connected with the external power supply, the internal circuit principle structure belongs to the common knowledge of those skilled in the art, and will not be described in detail here, and the model can be selected according to actual use.

[0040] In use, the crushed sugarcane residue is first put into the screening cylinder 301 through the feeding pipe 2, the servo motor 303 is started to drive the pinion 304 to rotate, the large gear 305 is driven to rotate the screening cylinder 301, the sugarcane residue is rolled in the screening cylinder 301, the sugarcane pith is thrown out under the action of centrifugal force, and each telescopic cylinder 307 is started to drive the extrusion plate 306 to move in the screening cylinder 301, so that the sugarcane residue in the screening cylinder 301 is extruded, the separation of the sugarcane pith and the fiber is promoted, the sugarcane pith is discharged from the screening cylinder 301 through the screen hole of the screening cylinder 301, and the fiber remains in the screening cylinder 301, the pith removal effect is improved, the conveying motor 403 is started to drive the conveying shaft 404 to rotate, the conveying shaft 404 drives the spiral blade 405 to rotate, the spiral blade 405 conveys the sugarcane residue in the residue discharging cylinder 401 to the direction of the residue discharging port 402, and finally the residue is discharged from the residue discharging port 402.

[0041] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A sugarcane bagasse pith removal device, characterized in that, include: Demedullary tube (1); The feed pipe (2) is fixedly embedded in the top of the outer wall of the demedullary tube (1); The demedullary mechanism (3) is located inside the demedullary cylinder (1). The demedullary mechanism (3) includes a sieving cylinder (301), a rotating component, and a squeezing component. The rotating component is located inside the demedullary cylinder (1), the sieving cylinder (301) is located on the rotating component, and the squeezing component is located on the demedullary cylinder (1). The slag removal mechanism (4) is located on the marrow removal cylinder (1).

2. The sugarcane bagasse pith removal device according to claim 1, characterized in that: The rotating component includes a limiting plate (302) and a driving assembly. The limiting plate (302) is fixedly disposed on the inner wall of the demedullary tube (1), the driving assembly is disposed on the limiting plate (302), and the screening tube (301) is movably embedded in the top of the outer wall of the limiting plate (302).

3. The sugarcane bagasse pith removal device according to claim 2, characterized in that: The drive assembly includes a servo motor (303), a pinion (304), and a gear (305). The servo motor (303) is bolted to one side of the inner wall of the demedullary cylinder (1). The pinion (304) is fixedly disposed at the output end of the servo motor (303). The gear (305) is fixedly sleeved on the outer wall of the screening cylinder (301), and the gear (305) meshes with the pinion (304).

4. The sugarcane bagasse pith removal device according to claim 3, characterized in that: The extrusion component includes an extrusion plate (306) and two telescopic cylinders (307). Each telescopic cylinder (307) is installed on the top of the outer wall of the demedullary tube (1), and the extrusion plate (306) is fixedly disposed at the output end of each telescopic cylinder (307).

5. The sugarcane bagasse pith removal device according to claim 4, characterized in that: The slag discharge mechanism (4) includes a slag discharge cylinder (401), a conveying component, and a slag discharge port (402). The slag discharge cylinder (401) is fixedly installed on the top of the outer wall of the marrow removal cylinder (1). The slag discharge port (402) is fixedly installed on one side of the outer wall of the slag discharge cylinder (401) near the top edge. The conveying component is located inside the slag discharge cylinder (401).

6. The sugarcane bagasse pith removal device according to claim 5, characterized in that: The conveying component includes a conveying motor (403), a conveying shaft (404), and a spiral blade (405). The conveying motor (403) is bolted to the top of the outer wall of the slag discharge cylinder (401). The conveying shaft (404) is fixedly installed at the output end of the conveying motor (403). The spiral blade (405) is fixedly sleeved on the outer wall of the conveying shaft (404).

Citation Information

Patent Citations

  • Bagasse depithing device

    CN215518123U