Pulverizer for biomass fuel production
By using a hydraulic rod and groove snap-fit structure and a screen conveyor blade design, the problems of time-consuming disassembly and assembly and material residue in the crusher are solved, achieving efficient maintenance and high-quality crushing.
Patent Information
- Application Number
- CN202520080482.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-01-14
AI Technical Summary
The existing crushing mechanism of the crushing machine used for biomass fuel production takes a long time to disassemble and assemble, which affects maintenance efficiency, and the material residue leads to a high failure rate of the equipment.
The hydraulic rod adjustment fixing block and the groove locking structure make the crushing mechanism easier and faster to disassemble and assemble. Combined with the inclined screen and conveyor blade design, it realizes automatic screening and re-crushing of materials.
It improves the disassembly and assembly efficiency of the crushing mechanism, reduces the failure rate, and enhances the ease of maintenance of the device and the crushing quality of biomass raw materials.
Smart Images

Figure CN223832391U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of biomass fuel production technology, and in particular to a pulverizer for biomass fuel production. Background Technology
[0002] Biomass fuel is a new type of clean fuel that uses agricultural and forestry waste as raw materials and is produced through processes such as crushing, mixing, extrusion, and drying to form various shapes that can be directly burned. Biomass pellet fuel is essentially the direct combustion of biomass energy. It is a processing and utilization of biomass, which is solidified and then burned using traditional coal-fired equipment. Its advantages include fully utilizing biomass energy to replace coal, reducing emissions of carbon dioxide and sulfur dioxide, which is beneficial to environmental protection and controlling greenhouse gas emissions, mitigating global warming, and reducing the occurrence of natural disasters.
[0003] In the prior art, the materials need to be crushed before biomass fuel production so that they can be extruded into shape later. After the crushing device is used, the crushing mechanism needs to be cleaned and maintained. However, the crushing mechanism in the existing device is connected and fixed with bolts, which takes a lot of time to disassemble and assemble, affecting the working efficiency of the device and making it difficult for the staff to maintain the device in a timely manner. Therefore, in order to solve the above problems, this utility model proposes a crusher for biomass fuel production. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a crusher for biomass fuel production. By adjusting the engagement between the fixing block and the groove using a hydraulic rod, the crushing mechanism can be disassembled and assembled more conveniently and quickly, avoiding the time-consuming process of disassembly and assembly, improving efficiency, facilitating timely maintenance by staff after use, preventing residual materials inside the device from affecting work efficiency, reducing the failure rate of the device, and improving durability.
[0005] This utility model provides the following technical solution: a pulverizer for biomass fuel production, comprising a housing 1, a housing 2 fixedly mounted on the right side of the housing 1, a motor 1 fixedly mounted on the right side of the housing 2, an output shaft of the motor 1 movably sleeved in the inner cavity of the housing 2, a gear 1 fixedly sleeved on the output shaft of the motor 1, gear 2 meshing with the front and rear parts of gear 1 respectively, a rotating shaft 1 fixedly sleeved in the middle of gear 2, the rotating shaft 1 movably sleeved with the housing 1, four rotating disks symmetrically movably sleeved on the left and right sides of the inner cavity of the housing 1, the two rotating disks on the right side being fixedly connected to two rotating shafts 1 respectively, each rotating disk having a cavity, and a hydraulic rod fixedly mounted in the cavity. The device has two hydraulic rods symmetrically distributed vertically. A movable plate is fixedly installed at the telescopic end of each hydraulic rod. A fixed block, which is hexagonal, is fixedly installed on the side of the movable plate away from the hydraulic rod. The fixed block is movably sleeved with the cavity. A second rotating shaft is located in the inner cavity of the housing and between the two rotating discs. Grooves are formed at both ends of the second rotating shaft, and these grooves engage with the fixed blocks. A crushing roller is fixedly sleeved in the middle of the second rotating shaft. A maintenance plate is movably connected to the rear of the housing via a shaft. The engagement between the fixed blocks and the grooves is adjusted by the hydraulic rod, making the assembly and disassembly of the crushing mechanism more convenient and quick. This facilitates timely maintenance by personnel after use and prevents residual material inside the device from affecting work efficiency.
[0006] Preferably, a fourth housing is fixedly installed on the left side of the first housing, and a second motor is fixedly installed on the upper part of the fourth housing. The output shaft of the second motor is movably sleeved in the inner cavity of the fourth housing. A conveying fan blade is fixedly installed on the output shaft of the second motor. A first feeding port and a second feeding port are provided at the connection between the fourth housing and the first housing. The first feeding port is located directly above the second feeding port. The second motor drives the conveying fan blade to rotate, so that the conveying fan blade transports the incompletely crushed material upward, and the material re-enters the inner cavity of the first housing through the first feeding port for further crushing, which is beneficial to the complete crushing of biomass raw materials.
[0007] Preferably, a screen is fixedly installed in the inner cavity of the first housing and directly to the right of the second feeding port. A vibration motor is fixedly installed at the bottom of the screen. An inlet is opened at the top of the inner cavity of the first housing. A third housing is fixedly installed at the bottom of the first housing. A discharge pipe is fixedly installed on the left side of the third housing. The pulverized material falls onto the screen. The vibration motor drives the screen to vibrate, thus screening the material. The completely pulverized material passes through the screen and falls into the inner cavity of the third housing. It is then discharged from the discharge pipe through the ramp set in the inner cavity of the third housing. The incompletely pulverized material slides through the inclined screen to facilitate re-pulverization.
[0008] Preferably, six support rods are evenly fixedly installed at the bottom of the housing, and a control panel is fixedly installed at the front of the housing. The control panel allows for flexible control of the various mechanisms in the device, enabling them to cooperate with each other, which is beneficial for the efficient operation of the device and helps it maintain good working efficiency.
[0009] Compared with the prior art, the advantages of this utility model are as follows:
[0010] 1. When cleaning and maintaining the crushing mechanism, the retraction of the hydraulic rod extension end is controlled, thereby driving the moving plate to move and allowing the fixed block to enter the cavity. This disconnects the locking between the fixed block and the groove, making it easy to remove the rotating shaft 2 from the inner cavity of the housing 1. This enables the cleaning and maintenance of the crushing roller, making the material crushing mechanism easier to disassemble and assemble, improving personnel disassembly and assembly efficiency, avoiding the consumption of a lot of time in disassembly and assembly, and facilitating timely maintenance by staff after the equipment is used. This prevents residual materials inside the equipment from affecting its working efficiency, reduces the failure rate of the equipment, and improves its durability.
[0011] 2. By setting an inclined screen, the incompletely crushed material slides through the second feed inlet and enters the bottom of the inner cavity of the fourth shell. The second motor drives the conveyor blades to rotate, which transports the incompletely crushed material upwards. The material then re-enters the inner cavity of the first shell through the first feed inlet for further crushing. This ensures that the biomass raw materials are fully crushed, guarantees the crushing quality of the biomass raw materials, and avoids the need to manually put the incompletely crushed material back into the inner cavity of the first shell, effectively improving the crushing efficiency of biomass raw materials. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the external structure of this utility model;
[0013] Figure 2 This is a frontal cross-sectional view of the present invention.
[0014] Figure 3 This is a top view sectional structural diagram of the present invention;
[0015] Figure 4 This is a schematic diagram of the pulverizing roller connection structure of this utility model.
[0016] In the diagram: 1. Shell 1; 2. Shell 2; 3. Motor 1; 4. Gear 1; 5. Gear 2; 6. Rotating shaft 1; 7. Rotating disc; 8. Cavity; 9. Hydraulic rod; 10. Moving plate; 11. Fixed block; 12. Rotating shaft 2; 13. Groove; 14. Crushing roller; 15. Inspection plate; 16. Shell 4; 17. Motor 2; 18. Conveyor blade; 19. Feed port 1; 20. Feed port 2; 21. Screen; 22. Vibrating motor; 23. Feed inlet; 24. Shell 3; 25. Discharge pipe; 26. Support rod; 27. Control panel. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] Please see Figures 1-4A pulverizer for biomass fuel production includes a housing 1, a housing 2 fixedly mounted on the right side of housing 1, a motor 3 fixedly mounted on the right side of housing 2, an output shaft of motor 3 movably sleeved in the inner cavity of housing 2, a gear 4 fixedly sleeved on the output shaft of motor 3, gears 5 meshing with the front and rear parts of gear 4 respectively, a rotating shaft 6 fixedly sleeved in the middle of gear 5, the rotating shaft 6 movably sleeved with housing 1, and rotating disks 7 symmetrically movably sleeved on the left and right sides of the inner cavity of housing 1. There are four disks 7. The two right-hand rotating disks 7 are fixedly connected to two rotating shafts 6 respectively. Each rotating disk 7 has a cavity 8. Two hydraulic rods 9 are fixedly installed in the cavity 8. The hydraulic rods 9 are symmetrically distributed vertically. A movable plate 10 is fixedly installed at the telescopic end of the hydraulic rod 9. A fixing block 11 is fixedly installed on the side of the movable plate 10 away from the hydraulic rod 9. The fixing block 11 is hexagonal and is movably sleeved with the cavity 8. A rotating shaft is set in the inner cavity of the housing 1 between the two rotating disks 7. The rotating shaft 12 has grooves 13 at both ends, which are engaged with the fixing block 11. A crushing roller 14 is fixedly sleeved in the middle of the rotating shaft 12. A maintenance plate 15 is movably connected to the rear of the housing 1 via a shaft. When the motor 3 is turned on, the motor 3 drives the gear 4 to rotate, the gear 4 drives the gear 5 to rotate, the gear 5 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the rotating disk 7 to rotate, and the rotating disk 7 drives the rotating shaft 12 to rotate, so that the crushing roller 14 on the rotating shaft 12 crushes the raw materials. When the device is under maintenance, the maintenance plate 15 is opened, and the extension end of the hydraulic rod 9 is retracted by controlling the hydraulic rod 9 to move the moving plate 10, so that the fixing block 11 enters the cavity 8, and the engagement between the fixing block 11 and the groove 13 is broken, so that the rotating shaft 12 can be easily removed from the inner cavity of the housing 1, so as to clean and maintain the crushing roller 14. This makes the material crushing mechanism easier to disassemble and assemble, which is beneficial for the staff to perform maintenance, avoids affecting the working efficiency of the device, and reduces the failure rate of the device.
[0019] A fourth housing 16 is fixedly installed on the left side of housing 1. A second motor 17 is fixedly installed on the upper part of housing 16. The output shaft of the second motor 17 is movably sleeved in the inner cavity of housing 16. A conveyor fan blade 18 is fixedly installed on the output shaft of the second motor 17. A first feed port 19 and a second feed port 20 are provided at the connection between housing 16 and housing 1. The first feed port 19 is located directly above the second feed port 20. A screen 21 is fixedly installed in the inner cavity of housing 1 and directly to the right of the second feed port 20. A vibrating motor 22 is fixedly installed at the bottom of the screen 21. An inlet 23 is provided at the top of the inner cavity of housing 1. A third housing 24 is fixedly installed at the bottom of housing 1. A discharge pipe 25 is fixedly installed on the left side of the third housing 24. Six support rods 26 are evenly fixedly installed at the bottom of housing 1. A control panel 27 is fixedly installed at the front of housing 1. The pulverized material falls onto the screen 21. The vibration motor 22 is started to drive the screen 21 to vibrate and screen the material. The fully pulverized material passes through the screen 21 and falls into the inner cavity of the shell 3 24. It is then discharged from the discharge pipe 25 through the inclined structure set in the inner cavity of the shell 3 24. The incompletely pulverized material slides through the inclined screen 21, passes through the second conveyor port 20 and enters the bottom of the inner cavity of the shell 4 16. The second motor 2 17 is started to drive the conveyor blades 18 to rotate. The conveyor blades 18 rotate and transport the incompletely pulverized material upward, so that the material re-enters the inner cavity of the shell 1 through the first conveyor port 19 for further pulverization. This is beneficial for the biomass raw materials to be fully pulverized, ensuring the pulverization quality of the biomass raw materials. It avoids the need to manually put the incompletely pulverized material screened out back into the inner cavity of the shell 1, effectively improving the pulverization efficiency of the biomass raw materials.
[0020] Working principle: Raw materials are fed into the inner cavity of housing 1 through inlet 23. Motor 3 is activated via control panel 27, driving gear 4 to rotate. Gear 4 drives gear 5 to rotate, which in turn drives rotating shaft 6 to rotate. Rotating shaft 6 drives rotating disc 7, which in turn drives rotating shaft 12 to rotate. This causes the crushing roller 14 on rotating shaft 12 to crush the raw materials. The crushed material falls onto screen 21. Vibration motor 22 is activated, causing screen 21 to vibrate and screen the material. Completely crushed material passes through screen 21 and falls into the inner cavity of housing 3 24, then exits through the discharge pipe 25 via a ramp within housing 3 24. Uncrushed material... Complete material slides through the inclined screen 21, passes through the feed inlet 20 and enters the bottom of the inner cavity of the housing 16. The motor 2 17 is started to drive the conveyor blades 18 to rotate. The conveyor blades 18 rotate and transport the incompletely crushed material upward, so that the material re-enters the inner cavity of the housing 1 through the feed inlet 19 for further crushing. When the device is under maintenance, the maintenance plate 15 is opened and the hydraulic rod 9 is retracted through the control panel 27. The hydraulic rod 9 drives the moving plate 10 to move, so that the fixed block 11 enters the cavity 8 and disconnects the locking between the fixed block 11 and the groove 13, thereby facilitating the removal of the rotating shaft 2 12 from the inner cavity of the housing 1, and realizing the cleaning and maintenance of the crushing roller 14.
Claims
1. A pulverizer for biomass fuel production, comprising a housing (1), characterized in that: A second housing (2) is fixedly installed on the right side of the first housing (1). A motor (3) is fixedly installed on the right side of the second housing (2). The output shaft of the motor (3) is movably sleeved in the inner cavity of the second housing (2). A gear (4) is fixedly sleeved on the output shaft of the motor (3). Gears (5) mesh with the front and rear parts of the gears (4). A rotating shaft (6) is fixedly sleeved in the middle of the gears (5). The rotating shaft (6) is movably sleeved with the first housing (1). Four rotating disks (7) are symmetrically sleeved on the left and right sides of the inner cavity of the first housing (1). The two rotating disks (7) on the right side are fixedly connected to two rotating shafts (6) respectively. A cavity (8) is opened in the rotating disk (7). Two hydraulic rods (9) are fixedly installed in the middle and are symmetrically distributed vertically. A movable plate (10) is fixedly installed at the telescopic end of the hydraulic rod (9). A fixed block (11) is fixedly installed on the side of the movable plate (10) away from the hydraulic rod (9). The fixed block (11) is hexagonal and is movably sleeved with the cavity (8). A rotating shaft (12) is provided in the inner cavity of the housing (1) and between the two rotating disks (7) on the left and right. Grooves (13) are respectively opened at the left and right ends of the rotating shaft (12). The grooves (13) are engaged with the fixed block (11). A crushing roller (14) is fixedly sleeved in the middle of the rotating shaft (12). A maintenance plate (15) is movably connected to the rear of the housing (1) through a shaft.
2. The pulverizer for biomass fuel production according to claim 1, characterized in that: A fourth housing (16) is fixedly installed on the left side of the first housing (1). A second motor (17) is fixedly installed on the upper part of the fourth housing (16). The output shaft of the second motor (17) is movably sleeved in the inner cavity of the fourth housing (16). A conveying fan blade (18) is fixedly installed on the output shaft of the second motor (17). A first feeding port (19) and a second feeding port (20) are provided at the connection between the fourth housing (16) and the first housing (1). The first feeding port (19) is located directly above the second feeding port (20).
3. A pulverizer for biomass fuel production according to claim 2, characterized in that: A screen (21) is fixedly installed in the inner cavity of the first housing (1) and directly to the right of the second feeding port (20). A vibration motor (22) is fixedly installed at the bottom of the screen (21). An inlet (23) is opened at the top of the inner cavity of the first housing (1). A third housing (24) is fixedly installed at the bottom of the first housing (1). A discharge pipe (25) is fixedly installed on the left side of the third housing (24).
4. A pulverizer for biomass fuel production according to claim 1, characterized in that: The bottom of the housing (1) is uniformly fixed with support rods (26), and there are six support rods (26). The front of the housing (1) is fixed with a control panel (27).