Biomass pellet fuel drying and forming device

By installing anti-splashing mechanisms and heating elements on the feed hopper, the problem of material splashing during biomass pellet forming is solved, achieving safe production and uniform forming, and simplifying equipment maintenance.

CN224071910UActive Publication Date: 2026-04-03SHANDONG WEISHENG AGRI SCI & TECH DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

During the drying and forming process of biomass pellets, the material is prone to splashing when poured into the pellet mill feed inlet, affecting the safety of workers and production efficiency.

Method used

An anti-splash mechanism is installed on the feed hopper, including a material box body, a push plate, and a fan-shaped guide plate driven by a servo motor. The rotational motion of the servo motor prevents material from splashing, and the heating element dries the material.

Benefits of technology

It effectively prevents material splashing, ensures production safety, improves the uniformity of material distribution, promotes molding and processing, and facilitates equipment maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a biomass pellet fuel drying and forming device which comprises a granulator body, the granulator body comprises a feed hopper used for feeding materials, and an anti-splashing mechanism is arranged on the feed hopper; and the anti-splashing mechanism comprises a material box body, the material box body is inserted in the top position of the feeding hopper, a fixing plate is fixedly installed in the material box body, and a pushing plate is arranged above the fixing plate. The anti-splashing mechanism is arranged at the position above the feeding hopper, after a worker throws materials into the material box body through a feeding hole, a pushing plate can drive the materials to rotate on the surface of a fixing plate under driving of a first servo motor, the follow-up materials can slide into a fan-shaped flow guide plate, and therefore the materials are prevented from splashing. Due to the fact that the appearance of the pushing plate is arranged to be in a cross shape, an intermittent effect can be generated in the feeding and forming process of logistics, and therefore the phenomenon that materials splash to the outside is prevented.
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Description

Technical Field

[0001] This utility model relates to the field of biomass pellet production technology, specifically to a biomass pellet fuel drying and forming device. Background Technology

[0002] Biomass pellets are produced by cold-forming and densifying crushed biomass straw, forestry waste, and other raw materials using pressure rollers and ring dies at room temperature. The density of the raw materials is generally 0.1–0.13 t / m³, while the density of the pellets after forming is 1.1–1.3 t / m³, which facilitates storage and transportation and greatly improves the combustion performance of biomass.

[0003] Currently, in the drying and forming process of biomass pellets, pellet mills are usually used for pelleting. However, in actual production, when the loose biomass is poured into the feed inlet of the pellet mill, the high-speed rotation of the extrusion rollers causes the biomass to splash outwards, thus affecting the normal work of personnel. To address this issue, we have proposed a biomass pellet fuel drying and forming device. Utility Model Content

[0004] The purpose of this invention is to provide a biomass pellet fuel drying and forming device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a biomass pellet fuel drying and molding device, comprising a pellet mill body, wherein the pellet mill body includes a feed hopper for material entry, and the feed hopper is provided with an anti-splash mechanism;

[0006] The anti-splash mechanism includes a material box body, which is inserted into the top of the feed hopper. A fixing plate is fixedly installed inside the material box body, and a push plate is provided above the fixing plate. A long shaft is fixedly installed on the push plate, and the long shaft is fixedly connected to the end of the rotating shaft of a servo motor. The servo motor is fixedly installed on the top of the material box body. A feed hole is opened at the top of the material box body, and a fan-shaped hole is opened on the fixing plate. A fan-shaped guide plate is fixedly connected to the fan-shaped hole, and the bottom end of the fan-shaped guide plate is located inside the feed hopper. A heating element is provided on the outside of the feed hopper.

[0007] As a further preferred embodiment of this technical solution, the bottom end of the long shaft is rotatably connected to the surface of the fixed plate, and the feed hole and the fan-shaped hole are set in relative positions.

[0008] As a further preferred embodiment of this technical solution, the outer side of the push plate abuts against the inner wall of the material box, and the shape of the push plate is set as a cross.

[0009] As a further preferred embodiment of this technical solution, the heating element includes a housing, and a heating plate and a thermally conductive wire are respectively disposed inside the housing.

[0010] As a further preferred embodiment of this technical solution, the other end of the fan-shaped guide plate is located inside the dispersion box, the outer side of the dispersion box is provided with dispersion holes, the bottom end of the dispersion box is fixedly connected to the end of the rotating shaft of the second servo motor, the second servo motor is fixedly installed on the support frame, and the support frame is fixedly set on the inner wall of the feed hopper.

[0011] As a further preferred embodiment of this technical solution, the dispersion box is located at the center of the feed hopper, and the dispersion holes are evenly distributed on the outer side of the dispersion box.

[0012] As a further preferred embodiment of this technical solution, an outer ring plate is fixedly installed on the outer side of the material box body, and a threaded hole is opened in the outer ring plate. A screw is engaged with the threaded hole, and the end of the screw abuts against the outer side of the feed hopper. A handle is fixedly installed on the other end of the screw, and anti-slip texture is opened on the outer side of the handle.

[0013] This utility model provides a biomass pellet fuel drying and forming device, which has the following beneficial effects:

[0014] This utility model features an anti-splash mechanism positioned above the feed hopper. After personnel feed material into the hopper through the feed hole, a servo motor drives a push plate to rotate the material on a fixed plate surface. The material then slides into the fan-shaped guide plate. Because the push plate is cross-shaped, it provides an intermittent effect during the feeding and forming process, thus preventing material from splashing outwards.

[0015] As the material flows into the dispersion box, the servo motor drives the dispersion box to rotate, so that the material is evenly rotated out through the dispersion hole. Thus, the material can be evenly distributed inside the feed hopper, which facilitates the extrusion and molding of the material.

[0016] With prolonged use of the pellet mill body, the screw rotates within the threaded hole as the handle is rotated, thereby releasing the pressure on the outside of the feed hopper from one end of the screw. This allows personnel to detach the feed hopper from the feed hopper for easier maintenance of the internal parts of the pellet mill body. Attached Figure Description

[0017] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0018] Figure 2This is a front view sectional view of the material box body of this utility model;

[0019] Figure 3 This is a front view schematic diagram of the structure of the support frame of this utility model;

[0020] Figure 4 This utility model Figure 2 A magnified schematic diagram of the structure of A in the middle.

[0021] In the diagram: 1. Granulator body; 2. Feed hopper; 3. Anti-splash mechanism; 4. Material box body; 5. Fixed plate; 6. Push plate; 7. Long shaft; 8. Servo motor one; 9. Feed hole; 10. Fan-shaped hole; 11. Fan-shaped guide plate; 12. Dispersion box; 13. Dispersion hole; 14. Servo motor two; 15. Support frame; 16. Heating element; 17. Outer ring plate; 18. Threaded hole; 19. Screw; 20. Handle; 21. Anti-slip texture. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0023] This utility model provides a technical solution: such as Figure 1 , Figure 2 and Figure 3 As shown in this embodiment, a biomass pellet fuel drying and molding device includes a pellet mill body 1, the pellet mill body 1 includes a feed hopper 2 for material entry, and the feed hopper 2 is provided with an anti-splash mechanism 3.

[0024] The anti-splash mechanism 3 includes a material box body 4, which is inserted into the top of the feed hopper 2. A fixing plate 5 is fixedly installed inside the material box body 4. A push plate 6 is arranged above the fixing plate 5, and a long shaft 7 is fixedly installed on the push plate 6. The long shaft 7 is fixedly connected to the end of the rotating shaft of a servo motor 8. The servo motor 8 is fixedly arranged on the top of the material box body 4. A feed hole 9 is opened at the top of the material box body 4. A fan-shaped hole 10 is opened on the fixing plate 5. A fan-shaped guide plate 11 is fixedly connected to the fan-shaped guide plate 11. The bottom end of the fan-shaped guide plate 11 is located inside the feed hopper 2. A heating element 16 is arranged on the outside of the feed hopper 2. With the anti-splash mechanism 3 positioned above the feed hopper 2, after personnel put materials into the material box body 4 through the feed hole 9, the servo motor 8 drives the material box body 4 to activate the anti-splash mechanism. The push plate 6 can rotate the material on the surface of the fixed plate 5, and the material can slide into the interior of the fan-shaped guide plate 11. Because the push plate 6 is shaped like a cross, it can provide an intermittent effect during the feeding and forming process, thereby preventing the material from splashing outwards. The bottom end of the long shaft 7 is rotatably connected to the surface of the fixed plate 5. The feed hole 9 and the fan-shaped hole 10 are set in opposite positions to facilitate the feeding and subsequent feeding of the material. The outer side of the push plate 6 abuts against the inner wall of the material box 4. The push plate 6 is shaped like a cross to facilitate the pushing of the material. The heating element 16 includes a box, and a heating plate and a heat-conducting wire are respectively arranged inside the box. The heating element 16 can further heat and dry the material.

[0025] like Figure 2 and Figure 3 As shown, the other end of the fan-shaped guide plate 11 is located inside the dispersion box 12. The dispersion box 12 has dispersion holes 13 on its outer side. The bottom end of the dispersion box 12 is fixedly connected to the shaft end of the servo motor 14. The servo motor 14 is fixedly mounted on the support frame 15. The support frame 15 is fixedly set on the inner wall of the feed hopper 2. As the material flows into the dispersion box 12, the servo motor 14 drives the dispersion box 12 to rotate, so that the material passes through the dispersion holes 13 and is rotated out evenly. Thus, the material can be evenly distributed inside the feed hopper 2 to facilitate the extrusion and molding of the material. The dispersion box 12 is located at the center of the feed hopper 2, and the dispersion holes 13 are evenly distributed on the outer side of the dispersion box 12 to facilitate the throwing out of the material.

[0026] like Figure 2 and Figure 4As shown, an outer ring plate 17 is fixedly installed on the outer side of the material box 4. A threaded hole 18 is opened in the outer ring plate 17. A screw 19 is engaged with the threaded hole 18. The end of the screw 19 abuts against the outer side of the feed hopper 2. A handle 20 is fixedly installed on the other end of the screw 19. Anti-slip texture 21 is opened on the outer side of the handle 20. With the long-term use of the pellet mill body 1, the screw 19 rotates inside the threaded hole 18 by rotating the handle 20. As a result, one end of the screw 19 is released from the pressure on the outer side of the feed hopper 2, so that the personnel can separate the material box 4 from the feed hopper 2 for work, so as to facilitate the maintenance of the internal parts of the pellet mill body 1.

[0027] This utility model provides a biomass pellet fuel drying and forming device, the specific working principle of which is as follows:

[0028] The device uses a material box 4 inserted into the feed hopper 2, with the outer ring plate 17 abutting against the top of the feed hopper 2. As the operator rotates the handle 20, the screw 19 rotates within the threaded hole 18, causing the end of the screw 19 to press tightly against the outside of the feed hopper 2, thus fixing the position of the material box 4. Simultaneously, the servo motor 1 8 and servo motor 2 14 are started, and the material is fed into the material box 4 through the feed hole 9. The material is then pushed by the push plate 6 on the surface of the fixed plate 5, and then slides into the inside of the fan-shaped guide plate 11, and falls into the inside of the dispersion box 12. As the dispersion box 12 rotates inside the feed hopper 2, the material passes through the dispersion hole 13 and is evenly rotated out, thus ensuring that the material is evenly distributed inside the feed hopper 2. During this process, the heating element 16 heats and dries the dispersed material in preparation for subsequent extrusion molding.

[0029] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A biomass pellet fuel drying and forming device, characterized in that: Including granulator body (1), the granulator body (1) includes the feed hopper (2) for material access, the feed hopper (2) is provided with anti-splashing mechanism (3) on it; The anti-splashing mechanism (3) includes a material box body (4), which is inserted at the top of the feed hopper (2), and a fixed plate (5) is fixedly installed in the material box body (4), a push plate (6) is arranged above the fixed plate (5), a long shaft rod (7) is fixedly installed on the push plate (6), the long shaft rod (7) is fixedly connected to the shaft end of a servo motor (8), the servo motor (8) is fixedly arranged on the top end of the material box body (4), a feeding hole (9) is formed in the top end of the material box body (4), a fan-shaped hole (10) is formed in the fixed plate (5), the fan-shaped hole (10) is fixedly connected with a fan-shaped guide plate (11), the bottom end of the fan-shaped guide plate (11) is in the inside of the feed hopper (2), and the outside of the feed hopper (2) is provided with a heating element (16).

2. The biomass pellet fuel drying and forming device according to claim 1, characterized in that: The bottom end of the long shaft rod (7) is rotatably connected to the surface of the fixed plate (5), and the feeding hole (9) and the fan-shaped hole (10) are arranged in opposite positions.

3. The biomass pellet fuel drying and forming device according to claim 1, characterized in that: The outside of the push plate (6) abuts against the inner wall of the material box body (4), and the shape of the push plate (6) is cross-shaped.

4. The biomass pellet fuel drying and forming device according to claim 1, characterized in that: The heating element (16) includes a box body, and a heating plate and a heat-resistant wire are arranged in the box body.

5. The biomass pellet fuel drying and forming device according to claim 1, characterized in that: The other end of the fan-shaped guide plate (11) is in the inside of a dispersion box (12), the outside of the dispersion box (12) is provided with a dispersion hole (13), the bottom end of the dispersion box (12) is fixedly connected to the shaft end of a servo motor (14), the servo motor (14) is fixedly installed on a bearing frame (15), and the bearing frame (15) is fixedly arranged on the inner wall of the feed hopper (2).

6. The biomass pellet fuel drying and forming device according to claim 5, characterized in that: The dispersion box (12) is located at the center position of the feed hopper (2), and the dispersion holes (13) are equidistantly distributed on the outside of the dispersion box (12).

7. The biomass pellet fuel drying and forming device according to claim 1, characterized in that: The outside of the material box body (4) is fixedly installed with an outer ring plate (17), a threaded hole (18) is formed in the outer ring plate (17), a screw rod (19) is engagedly connected with the threaded hole (18), the end of the screw rod (19) abuts against the outside of the feed hopper (2), the other end of the screw rod (19) is fixedly installed with a handle element (20), and the outside of the handle element (20) is provided with anti-slip lines (21).