Biomass granulator
By using double rotating rollers and multi-stage crushing structures in the biomass pelletizer, the problem of difficult substances with high hardness is solved, and the high-quality production of biomass pellets and the long life of equipment is achieved.
Patent Information
- Application Number
- CN202420890456.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-26
AI Technical Summary
When existing biomass pelletizers deal with substances with high hardness, it is difficult to completely crush, resulting in poor particle quality, easy damage to the pulverization blade head, and easy jamming of raw materials, affecting production.
A biomass pellet machine is designed, adopting a double rotating roller and a multi-stage crushing structure. The first motor drives the rotating gear to make the rotating roller coarsely crush, and the second motor drives the rotating rod and the crushing knife head for fine crushing, combined with scraping Plate and crushing ring plate to ensure that the raw materials are completely broken and reduce damage to the crushing blade head.
The complete crushing of biomass raw materials is achieved, the particle quality is improved, the damage to the crushing cutting head and the frequency of replacement of accessories is reduced, the raw material is blocked, and the production efficiency and equipment life are improved.
Smart Images

Figure CN222173974U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pellet machines, in particular to a biomass pellet machine. Background Art
[0002] Biomass pellet machine is a kind of biomass energy pretreatment equipment. It mainly uses agricultural and forestry waste such as wood chips, straw, rice husks, bark and other biomass as raw materials, which are crushed, pressurized, densified and formed into small stick-shaped solid pellet fuels. After pretreatment and processing, they are solidified into high-density pellet fuels. Biomass pellet machines are divided into flat die biomass pellet machines and ring die biomass pellet machines.
[0003] When the existing device is in use, it is necessary to crush the biomass raw materials. However, some hard materials such as wood are difficult to crush completely. Often, after one crushing, subsequent processing is directly carried out, which easily leads to poor quality and shapeless biomass particles produced. In addition, larger raw materials are directly crushed, which seriously damages the crushing cutter head, and easily leads to the need to frequently replace accessories of the device, which is more troublesome. When the existing device crushes the raw materials, the biomass raw materials are often stuck on the inside of the crushing device, which may cause serious blockage and affect the subsequent crushing work. Utility Model Content
[0004] The purpose of the utility model is to provide a biomass pellet machine to solve the problem that when the existing device mentioned in the above background technology is used, some materials with higher hardness are difficult to crush completely, and subsequent processing is directly carried out after one crushing, which easily leads to poor quality and shapeless biomass pellets produced, and larger raw materials are directly crushed, which also seriously damages the crushing cutter head, and easily leads to the need to frequently replace accessories of the device; when the existing device crushes the raw materials, the biomass raw materials are often stuck on the inside of the crushing device, which may seriously cause blockage and affect the subsequent crushing work.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biomass pellet machine comprises a box body, a feed hopper is fixedly arranged on the upper side of the box body, and the left and right side walls of the inner side of the box body are fixedly connected to guide plates, the rear side of the box body is symmetrically connected to a rotating gear for rotation, the rear side of the box body is fixedly connected to a protective cover, the rotating gear is located on the inner side of the protective cover, a first motor is fixedly installed on the rear side of the protective cover, the output end of the first motor is fixedly connected to the left rotating gear, the front and rear side walls of the inner side of the box body are symmetrically rotated with rotating rollers, the outer surface of the rotating rollers is evenly connected with crushing teeth, the left and right side walls of the inner side of the box body are fixedly connected to scraping plates, the inner side wall of the box body is fixedly arranged with a crushing ring plate and a granulating ring plate, the bottom of the inner side of the box body is fixedly connected to a connecting column, the upper side of the connecting column is fixedly installed with a second motor, and the output end of the second motor is fixedly connected to a rotating rod.
[0006] Preferably, the front and rear sides of the guide plate are in contact with the front and rear side walls inside the box, the upper side of the guide plate is in contact with the top of the inner side of the box, the front and rear sides of the rotating roller are in contact with the front and rear side walls inside the box, the rear side of the rotating roller is fixedly connected to the front side of the rotating gear, and the two rotating gears are meshed with each other.
[0007] Preferably, the upper side of the scraper plate is in contact with the outer surface of the rotating roller, and the lower side of the scraper plate is in contact with the upper side of the crushing ring plate, and the crushing ring plate is located on the upper side of the granulating ring plate.
[0008] Preferably, a screen is embedded in the inner periphery of the crushing ring plate, a granulating disk is embedded in the inner periphery of the granulating ring plate, the rotating rod is arranged through the center positions of the crushing ring plate and the granulating ring plate, a cutting head is provided on the outer fixed sleeve of the rotating rod, the upper side of the cutting head is fitted with the lower side of the granulating disk, and the cutting head is rotatably arranged on the inner periphery of the granulating ring plate.
[0009] Preferably, the outer fixed sleeve of the rotating rod is provided with a crushing cutter head and a rolling plate, the lower side of the crushing cutter head is in contact with the upper side of the screen, and the lower side of the rolling plate is in contact with the upper side of the granulating disc.
[0010] Preferably, a slope is fixedly provided on the bottom of the inner side of the box body, and a material taking bin door is hinged on the front side of the box body.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1) When the device is in use, the raw material is added into the device from the feed hopper, and then the first motor is started. The first motor drives the left rotating gear to rotate, and the left rotating gear drives the right rotating gear meshed with it to rotate, so that the two rotating rollers rotate relative to each other, and the raw material is roughly crushed by the crushing teeth on the outer surface, and the larger raw material is crushed into smaller sizes. Then the raw material falls into the inner periphery of the crushing ring plate and the upper side of the screen. The second motor is started to drive the rotating rod to rotate, so that the crushing cutter head rotates, and the fallen raw material is finely crushed. The raw material is crushed for the second time, so that the raw material is completely crushed, and the quality of the produced biomass particles is better. The raw material crushed by the crushing teeth on the outer surface of the rotating roller also causes less damage to the crushing cutter head, and there is no need to frequently replace accessories, which reduces costs.
[0013] 2) After the raw material is crushed by the crushing teeth on the outer surface of the rotating roller, the scraper plate arranged on the lower side can scrape the outer surface of the rotating roller to scrape off the raw material stuck on the outer surface to avoid affecting the subsequent processing work. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0015] Figure 2 This is a rear view structural diagram of the utility model;
[0016] Figure 3 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0017] Figure 4 It is a schematic diagram of the structure of the crushing ring plate and the granulating ring plate when viewed from above;
[0018] Figure 5 It is a schematic diagram of the top view of the crushing ring plate and the granulating ring plate.
[0019] In the figure: 1. box body, 2. feed hopper, 3. guide plate, 4. rotating gear, 5. protective cover, 6. first motor, 7. rotating roller, 8. crushing teeth, 9. scraper plate, 10. crushing ring plate, 11. granulating ring plate, 12. connecting column, 13. second motor, 14. rotating rod, 15. screen, 16. granulating disk, 17. cutting head, 18. crushing head, 19. rolling plate, 20. slope, 21. hopper door. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0022] Example:
[0023] See also Figure 1-5 The utility model provides a technical solution: a biomass pellet machine, including a box body 1, a feed hopper 2 is fixedly arranged on the upper side of the box body 1, and the raw materials are added into the device from the feed hopper 2. The left and right side walls inside the box body 1 are fixedly connected with guide plates 3, which facilitate the crushing of the raw materials on the opposite sides of the two rotating rollers 7. The rear side of the box body 1 is symmetrically rotated with a rotating gear 4, and the left rotating gear 4 can drive the right rotating gear 4 meshing with it to rotate, so that the two rotating rollers 7 rotate relatively. The rear side of the box body 1 is fixedly connected with a protective cover 5, and the rotating gear 4 is located on the inner side of the protective cover 5. The rear side of the protective cover 5 is fixedly installed with a first motor 6, and the output end of the first motor 6 is connected to the left rotating gear 4. The box body 1 is fixedly connected, and the front and rear side walls inside the box body 1 are symmetrically rotated with rotating rollers 7. The outer surface of the rotating rollers 7 is evenly connected with crushing teeth 8. The crushing teeth 8 can coarsely crush the raw materials and crush the larger raw materials into smaller sizes. The left and right side walls inside the box body 1 are fixedly connected with scraping plates 9. The scraping plates 9 can scrape the outer surface of the rotating rollers 7 to scrape off the raw materials stuck on the outer surface to avoid affecting the subsequent processing work. The inner wall of the box body 1 is fixedly provided with a crushing ring plate 10 and a granulating ring plate 11. The bottom of the inner side of the box body 1 is fixedly connected with a connecting column 12, and a second motor 13 is fixedly installed on the upper side of the connecting column 12. The output end of the second motor 13 is fixedly connected to a rotating rod 14.
[0024] Among them, the front and rear sides of the guide plate 3 are in contact with the front and rear side walls inside the box body 1, the upper side of the guide plate 3 is in contact with the top of the inner side of the box body 1, the front and rear sides of the rotating roller 7 are in contact with the front and rear side walls inside the box body 1, the rear side of the rotating roller 7 is fixedly connected to the front side of the rotating gear 4, the two rotating gears 4 are meshed with each other, the upper side of the scraper plate 9 is in contact with the outer surface of the rotating roller 7, the lower side of the scraper plate 9 is in contact with the upper side of the crushing ring plate 10, the crushing ring plate 10 is located on the upper side of the granulating ring plate 11, the inner periphery of the crushing ring plate 10 is embedded with a screen 15, the inner periphery of the granulating ring plate 11 is embedded with a granulating disk 16, the rotating rod 14 is arranged through the center position of the crushing ring plate 10 and the granulating ring plate 11, the outer side of the rotating rod 14 is fixedly sleeved with a cutting head 17, the upper The side of the rotating rod 14 is in contact with the lower side of the granulation disk 16, and the rotating cutting head 17 cuts the extruded raw material into biomass particles. The cutting head 17 is rotatably set on the inner periphery of the granulation ring plate 11 and rotates on the inner periphery of the granulation ring plate 11. A crushing head 18 and a rolling plate 19 are fixedly sleeved on the outer side of the rotating rod 14. The lower side of the crushing head 18 is in contact with the upper side of the screen 15 to finely crush the fallen raw material, and the raw material is crushed twice to make the raw material completely broken. The lower side of the rolling plate 19 is in contact with the upper side of the granulation disk 16, and the rolling plate 19 rotates to roll the raw material so that the raw material is squeezed out of the granulation hole opened on the self-made particle disk 16. A slope 20 is fixedly provided on the bottom of the inner side of the box body 1, and a material bin door 21 is hinged on the front side of the box body 1.
[0025] Working principle: When the device is used, the raw material is added into the device from the feed hopper 2, and then the first motor 6 is started. The first motor 6 drives the left rotating gear 4 to rotate, and the left rotating gear 4 drives the right rotating gear 4 meshing with it to rotate, so that the two rotating rollers 7 rotate relatively, and the raw materials are roughly crushed by the crushing teeth 8 on the outer surface, and the larger raw materials are crushed into smaller sizes. After the raw materials are crushed by the crushing teeth 8 on the outer surface of the rotating roller 7, the scraper plate 9 arranged on the lower side can scrape the outer surface of the rotating roller 7 to scrape off the raw materials stuck on the outer surface to avoid affecting the subsequent processing work. Then the raw materials fall into the inner periphery of the crushing ring plate 10 and are screened. On the upper side of the net 15, the second motor 13 is started to drive the rotating rod 14 to rotate, so that the crushing head 18 rotates, the fallen raw materials are finely crushed, and the raw materials are crushed twice to make the raw materials completely crushed. The completely crushed raw materials fall from the screen 15 and fall into the inner periphery of the granulation ring plate 11 and the upper side of the granulation disk 16. The rotation of the rotating rod 14 drives the rolling plate 19 to rotate, and the raw materials are crushed. The raw materials are squeezed out of the granulation holes opened on the self-granulating disk 16, and then cut off by the rotating cutting head 17 to become biomass particles, which fall on the slope 20 inside the box body 1. The finished products can be collected by opening the material bin door 21.
[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.
[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A biomass pellet machine, comprising a housing (1), characterized in that: A feed hopper (2) is fixedly arranged on the upper side of the box body (1), and guide plates (3) are fixedly connected to the left and right side walls inside the box body (1). A rotating gear (4) is symmetrically rotatably connected to the rear side of the box body (1). A protective cover (5) is fixedly connected to the rear side of the box body (1), and the rotating gear (4) is located on the inner side of the protective cover (5). A first motor (6) is fixedly installed on the rear side of the protective cover (5), and the output end of the first motor (6) is fixedly connected to the left rotating gear (4). The front and rear side walls are provided with rotating rollers (7) that rotate symmetrically, and the outer surfaces of the rotating rollers (7) are evenly connected with crushing teeth (8). The left and right side walls inside the box body (1) are fixedly connected with scraping plates (9), and the inner wall of the box body (1) is fixedly provided with a crushing ring plate (10) and a granulating ring plate (11). The bottom of the inner side of the box body (1) is fixedly connected with a connecting column (12), and a second motor (13) is fixedly installed on the upper side of the connecting column (12), and a rotating rod (14) is fixedly connected to the output end of the second motor (13).
2. A biomass pellet machine according to claim 1, characterized in that: The front and rear sides of the guide plate (3) are in contact with the front and rear side walls of the inner side of the box body (1); the upper side of the guide plate (3) is in contact with the top of the inner side of the box body (1); the front and rear sides of the rotating roller (7) are in contact with the front and rear side walls of the inner side of the box body (1); the rear side of the rotating roller (7) is fixedly connected to the front side of the rotating gear (4); and the two rotating gears (4) are meshed with each other.
3. A biomass pellet machine according to claim 1, characterized in that: The upper side of the scraper plate (9) is in contact with the outer surface of the rotating roller (7), and the lower side of the scraper plate (9) is in contact with the upper side of the crushing ring plate (10), and the crushing ring plate (10) is located on the upper side of the granulating ring plate (11).
4. A biomass pellet machine according to claim 1, characterized in that: The inner periphery of the crushing ring plate (10) is embedded with a screen (15), the inner periphery of the granulating ring plate (11) is embedded with a granulating disk (16), the rotating rod (14) is arranged through the center position of the crushing ring plate (10) and the granulating ring plate (11), the outer fixed sleeve of the rotating rod (14) is provided with a cutting head (17), the upper side of the cutting head (17) is in contact with the lower side of the granulating disk (16), and the cutting head (17) is rotatably arranged on the inner periphery of the granulating ring plate (11).
5. A biomass pellet machine according to claim 4, characterized in that: The outer fixed sleeve of the rotating rod (14) is provided with a crushing blade head (18) and a rolling plate (19); the lower side of the crushing blade head (18) is in contact with the upper side of the screen (15); and the lower side of the rolling plate (19) is in contact with the upper side of the granulating disc (16).
6. The biomass pellet machine according to claim 1, characterized in that: A slope (20) is fixedly provided at the bottom of the inner side of the box body (1), and a material taking bin door (21) is hingedly connected to the front side of the box body (1).
