Straw pulverizer for biochar processing

By introducing a movable base and a booster fan into the straw crusher, the problem of screen and discharge hopper blockage during straw crushing was solved, achieving efficient crushing and discharge, and improving the efficiency and quality of biochar production.

CN223800573UActive Publication Date: 2026-01-16WUHAN POLYTECHNIC UNIVERSITY
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Patent Information

Application Number
CN202520129653.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-16
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Straw is prone to clogging the screen and adhering to the inner wall of the discharge bin during the crushing process, which reduces the discharge production efficiency.

Method used

A straw crusher for biochar processing was designed. The machine uses a drive unit to move the moving seat on the guide rod. It works with a booster fan and an air blower to clean the screening screen and the inner wall of the discharge bin to prevent the crushed material from clogging. The machine also uses a drive motor to control the switch cover to close the opening of the crushing bin.

Benefits of technology

It effectively prevents clogging of the crushed material, improves crushing efficiency and discharge smoothness, and ensures the continuity and quality of biochar production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a straw pulverizer for biochar processing, and belongs to the technical field of biochar processing, the straw pulverizer comprises a pulverizing bin, a discharging bin, a pulverizing roller and a screening net, the lower end of the pulverizing bin is communicated with the discharging bin, the pulverizing roller is rotatably arranged in the pulverizing bin, and the screening net located outside the pulverizing roller is arranged in the pulverizing bin; and a guide rod is transversely arranged in the middle of the interior of the discharging bin, a movable seat is arranged on the outer portion of the guide rod in a sliding mode, a cleaning ring located outside the screening net is arranged on the movable seat, and the side, facing the screening net, of the cleaning ring communicates with a plurality of first blowing heads. According to the straw pulverizer for biochar processing, through driving of an arranged driving part, a moving seat is driven to directionally move on a guide rod, a cleaning ring and an air pipe are synchronously driven to move along a screening net, and an arranged booster fan communicates with the moving seat in a matched mode so that air can be blown out from a first air blowing head and a second air blowing head to clean the inner wall of the screening net and the inner wall of a discharging bin; the crushed material blockage is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biochar processing, in particular to a straw pulverizer for biochar processing. BACKGROUND

[0002] Biochar is a kind of carbonaceous material generated by pyrolysis of organic matter (such as plant residues, agricultural waste, etc.), and in the process of biochar processing, a straw pulverizer is often used to pulverize the biochar raw material straw before carbonization molding treatment.

[0003] Biochar straw pulverizer is a kind of equipment specially used for pulverizing straw and other crop residues into small particles or powder, which plays an important role in the production process of biochar, because the pulverized raw material is easier to be pyrolyzed, thereby improving the yield and quality of biochar, however, there is moisture in the straw, which can easily block the screen and adhere to the inner wall of the discharge bin, reducing the efficiency of discharge production, therefore, the utility model designs a biochar processing straw pulverizer to solve this technical defect. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a biochar processing straw pulverizer.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a biochar processing straw pulverizer, comprising a pulverizing bin, a discharge bin, a pulverizing roller and a screening net, the lower end of the pulverizing bin is communicated with the discharge bin, the pulverizing roller is rotatably arranged in the pulverizing bin, and the screening net is arranged outside the pulverizing roller in the pulverizing bin.

[0006] A guide rod is horizontally arranged in the center of the discharge bin, a moving seat is slidably arranged outside the guide rod, a cleaning ring is arranged outside the screening net on the moving seat, a plurality of air blowing heads are communicated with one side of the cleaning ring facing the screening net, an air pipe is communicated with the front and back sides of the cleaning ring, and a plurality of air blowing heads are communicated with the front and back sides of the air pipe.

[0007] The outer side of the discharge bin is provided with a booster fan communicated with the moving seat, and the discharge bin is provided with a driving member connected with the moving seat.

[0008] As a preferred technical scheme of the utility model, the front and back sidewalls of the inner cavity of the pulverizing bin are symmetrically provided with directional guide rail grooves, and a switch cover is slidably arranged between the directional guide rail grooves.

[0009] By adopting the above technical scheme, the switch cover can move to close the opening of the pulverizing bin during pulverization, preventing the pulverized debris from being discharged.

[0010] As a preferred technical scheme of the utility model, the lower surface middle part of the switch cover is equipped with a rack, the outside of the smashing bin is equipped with a driving motor, the output shaft of the driving motor is equipped with a gear engaged with the rack.

[0011] The above technical scheme facilitates automatic driving of the switch cover to move.

[0012] As a preferred technical scheme of the utility model, the screening net forms a barrier to the lower side opening of the smashing bin.

[0013] The above technical scheme facilitates closed screening of the smashed straw.

[0014] As a preferred technical scheme of the utility model, the screening net and the cleaning ring are semicircular ring bodies with the same center, the first air blowing head is annularly and equidistantly distributed, and the second air blowing head is vertically and equidistantly distributed.

[0015] The above technical scheme improves the overall hole cleaning effect on the screening net.

[0016] As a preferred technical scheme of the utility model, the exhaust port of the booster fan is communicated with a connecting hose communicated with the moving seat.

[0017] The above technical scheme facilitates the booster fan to discharge gas into the moving seat.

[0018] As a preferred technical scheme of the utility model, the driving member includes a servo motor arranged outside the discharge bin, the output end of the servo motor is provided with a threaded rod screwed with the moving seat, and the threaded rod rotates on the inner wall of the discharge bin.

[0019] The above technical scheme facilitates movement of the moving seat driven by the driving member.

[0020] As a preferred technical scheme of the utility model, the lower surface of the air pipe is flush with the lower surface of the discharge bin.

[0021] The above technical scheme guarantees the overall cleaning effect on the inner wall of the discharge bin.

[0022] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0023] 1. The straw smashing machine for biochar processing drives the moving seat to move directionally on the guide rod through the driving member, synchronously drives the cleaning ring and the air pipe to move along the screening net, and cooperates with the booster fan to communicate the moving seat to make the gas blow out from the first air blowing head and the second air blowing head to clean the inner wall of the screening net and the discharge bin, thereby preventing the smashing material from being blocked.

[0024] 2. The straw pulverizer for biochar processing, through the driving motor work driving gear rotation driving rack driving switch cover in the directional guide rail groove moves to the opening of the pulverizing bin to close, can guarantee that the pulverized chips will not be discharged from the pulverizing bin. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a perspective view of the present utility model;

[0026] Figure 2 is a top view of the present utility model;

[0027] Figure 3 is a bottom view of the present utility model;

[0028] Figure 4 is a turnover perspective view of the present utility model;

[0029] Figure 5 is a partial sectional perspective view of the present utility model.

[0030] In the drawing: 1, pulverizing bin; 2, discharge bin; 3, directional guide rail groove; 4, switch cover; 5, pulverizing roller; 6, screening net; 7, guide rod; 8, cleaning ring; 9, air blowing head one; 10, air pipe; 11, air blowing head two; 12, moving seat; 13, servo motor; 14, threaded rod; 15, booster fan; 16, connecting hose; 17, rack; 18, driving motor; 19, gear. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0032] Please refer to Figures 1-5 The straw pulverizer for biochar processing in the embodiment comprises a pulverizing bin 1, a discharge bin 2, a pulverizing roller 5 and a screening net 6. A plurality of screening holes are formed in the screening net 6 at equal distances. The diameters of the screening holes are determined according to the size of the straw to be pulverized. The lower surface of the pulverizing bin 1 is communicated with the discharge bin 2 for discharging the pulverized straw. The inner wall of the pulverizing bin 1 is circumferentially rotatably provided with the pulverizing roller 5. One end of the pulverizing roller 5 is connected with a motor connected with the pulverizing bin 1. The motor drives the pulverizing roller 5 to rotate to pulverize the straw. The screening net 6 is fixedly installed in the pulverizing bin 1 outside the pulverizing roller 5. The screening net 6 is in a mesh shape to shield the opening at the lower side of the pulverizing bin 1, thereby ensuring effective screening and discharge of the pulverized straw.

[0033] The front and rear walls of the inner cavity of the crushing bin 1 are symmetrically provided with directional guide grooves 3, and a switch cover 4 slides between the directional guide grooves 3, and the switch cover 4 is closed to seal the feed inlet of the crushing bin 1, the lower surface of the switch cover 4 is fixedly provided with a rack 17, the right side of the crushing bin 1 is fixedly provided with a driving motor 18 through fastening screws, the output shaft of the driving motor 18 is fixedly provided with a gear 19 engaged with the rack 17, the driving motor 18 drives the gear 19 to rotate forward and reverse, drives the rack 17 to move back and forth, and drives the switch cover 4 to move in the directional guide groove 3, so that the switch cover 4 is opened when the straw is fed, and the switch cover 4 is closed after the feeding is completed, preventing the crushed straw from spilling out.

[0034] The inside of the discharge bin 2 is fixedly provided with a guide rod 7, the outside of the guide rod 7 is slidably provided with a moving seat 12, the top of the moving seat 12 is fixedly provided with a cleaning ring 8 outside the screening net 6, one side of the cleaning ring 8 towards the screening net 6 is communicated with a plurality of air blowing heads 9, the front and rear sides of the cleaning ring 8 are communicated with air pipes 10, the lower surface of the air pipes 10 is flush with the lower surface of the discharge bin 2, the front and rear sides of the air pipes 10 are communicated with a plurality of air blowing heads 11, the screening net 6 and the cleaning ring 8 are semicircular ring bodies with the same center, ensuring that the cleaning ring 8 moves to clean the screening net 6 in all directions, the air blowing heads 9 are annularly and equidistantly distributed, and the air blowing heads 11 are vertically and equidistantly distributed.

[0035] The right side of the discharge bin 2 is fixedly provided with a booster fan 15 communicated with the moving seat 12 through fastening screws, the exhaust port of the booster fan 15 is communicated with a connecting hose 16 communicated with the moving seat 12, and the discharge bin 2 is provided with a driving member connected with the moving seat 12.

[0036] It should be noted that the driving member includes a servo motor 13 fixedly installed on the right side of the discharge bin 2 through fastening screws, the output end of the servo motor 13 is fixedly provided with a threaded rod 14 threadedly connected with the moving seat 12, and the threaded rod 14 circumferentially rotates on the left side wall of the inner cavity of the discharge bin 2.

[0037] The working principle of the above embodiment is as follows:

[0038] In use, after the straw is put into the crushing bin 1, the driving motor 18 is started to drive the gear 19 to rotate, the gear 19 is engaged with the rack 17 to realize directional movement of the switch cover 4 in the directional guide groove 3 when the gear 19 rotates, and the feed inlet of the crushing bin 1 is closed.

[0039] Afterwards, the set booster fan 15 is started to work to discharge the air flow, the air flow is discharged from the air blowing head one 9 and the air blowing head two 11 through the mutual connection among the booster fan 15, the connecting hose 16, the moving seat 12, the cleaning ring 8, the air blowing head one 9, the air pipe 10 and the air blowing head two 11, and the set servo motor 13 is started to work to drive the threaded rod 14 to rotate, the moving seat 12 is limited to slide through the guide rod 7, so that the threaded rod 14 is driven to rotate to drive the cleaning ring 8 to move along the screening net 6, the air blowing head one 9 and the air blowing head two 11 are synchronously moved, the air flow discharged from the air blowing head one 9 is used to clean the screening net holes of the screening net 6 to prevent the holes from being blocked, and the air flow discharged from the air blowing head two 11 is used to clean the inner wall of the discharge bin 2 to remove the straw attachments, so that the discharge is prevented from being blocked.

[0040] The electric elements in the present application are electrically connected with the main controller and the power supply, the main controller can be a conventional known device such as a computer, and the existing disclosed power connection technology is not described herein.

Claims

1. A straw pulverizer for processing biochar, comprising a pulverizing bin (1), a discharge bin (2), a pulverizing roller (5) and a screening mesh (6), characterized in that, The lower end of the pulverizing bin (1) is communicated with a discharging bin (2), a pulverizing roller (5) rotates in the pulverizing bin (1), and a screening net (6) is arranged outside the pulverizing roller (5) in the pulverizing bin (1); A guide rod (7) is arranged in the middle of the discharging bin (2) in a transverse direction, a moving seat (12) slides outside the guide rod (7), a cleaning ring (8) is arranged on the moving seat (12) and located outside the screening net (6), a plurality of first air blowing heads (9) are communicated with one side of the cleaning ring (8) and face the screening net (6), air pipes (10) are communicated with the front and back sides of the cleaning ring (8), and a plurality of second air blowing heads (11) are communicated with the front and back sides of the air pipes (10); The outer side of the discharging bin (2) is provided with a booster fan (15) communicated with the moving seat (12), and the discharging bin (2) is provided with a driving member connected with the moving seat (12).

2. The straw pulverizer for processing biochar according to claim 1, characterized in that: The front and back side walls of the inner cavity of the pulverizing bin (1) are symmetrically provided with directional guide rail grooves (3), and a switch cover (4) slides between the directional guide rail grooves (3).

3. The straw pulverizer for processing biochar according to claim 2, characterized in that: A rack (17) is arranged in the middle of the lower surface of the switch cover (4), the outer side of the pulverizing bin (1) is provided with a driving motor (18), and the output shaft of the driving motor (18) is provided with a gear (19) engaged with the rack (17).

4. The straw pulverizer for processing biochar according to claim 1, characterized in that: The screening net (6) is in a mesh shape and forms a shielding for the lower opening of the pulverizing bin (1).

5. The straw pulverizer for processing biochar according to claim 1, characterized in that: The screening net (6) and the cleaning ring (8) are semicircular ring bodies with the same center, the first air blowing heads (9) are arranged in a ring shape and at equal distances, and the second air blowing heads (11) are arranged in a vertical direction and at equal distances.

6. The straw pulverizer for processing biochar according to claim 1, characterized in that: The exhaust port of the booster fan (15) is communicated with a connecting hose (16) communicated with the moving seat (12).

7. The straw pulverizer for processing biochar according to claim 1, characterized in that: The driving member comprises a servo motor (13) arranged on the outer side of the discharging bin (2), the output end of the servo motor (13) is provided with a threaded rod (14) threadedly connected with the moving seat (12), and the threaded rod (14) rotates on the inner wall of the discharging bin (2).

8. The straw pulverizer for processing biochar according to claim 1, characterized in that: The lower surface of the air pipe (10) is flush with the lower surface of the discharging bin (2).