Biomass fuel pelletizing production device

Abstract

The utility model relates to the technical field of biomass fuel granulation, disclose a kind of biomass fuel granulation production device, the utility model solves the problem that current biomass fuel cannot be granulated screening, and equipment maintenance is inconvenient.The device contains support, speed reducer, bearing seat, granulating assembly and screening unit and other key components, support provides firm support and is convenient for mobile layout for the whole.The speed reducer and bevel gear precision cooperation, power is stably transmitted to main shaft, driving granulating assembly orderly operation, realize material dispersion, extrusion, shaping, granulating disc fine granulation, scraper arm and discharge cone ensure smooth discharge.In screening unit, driving motor drives spiral duster band cooperation length screening piece precision screening, connect external equipment to collect finished product efficiently, and cylinder structure is firm and convenient to disassemble and maintain, effectively improve biomass fuel production comprehensive benefit.

Description

Technical Field

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

[0002] Biomass fuel has attracted much attention as a renewable, low-carbon, and environmentally friendly energy alternative. In the production process of biomass fuel, pelleting is a crucial step, directly determining the quality of the pellets, production efficiency, and subsequent performance.

[0003] Chinese patent CN219400026U discloses a biomass fuel pelleting unit. This unit mainly includes a pelleting chamber, equipment box, temporary storage box, buffer ramp, material discharge chute, electric telescopic rod, distribution plate, and discharge hopper. During operation, material is discharged from the discharge hopper into the temporary storage box, buffered by the buffer ramp, and then falls through the material discharge chute. The electric telescopic rod drives the distribution plate to move and distribute the material with the assistance of guide grooves and guide blocks. The material falls into the collection box and is buffered by a sponge plate and compression spring. When the collection box is full, a cylinder drives a sealing baffle to block the material discharge chute and replace the collection box. However, this design only allows for simple back-and-forth distribution of material in the horizontal direction, which has limited effectiveness in ensuring uniform distribution within the collection box and still poses a risk of localized accumulation. It also prevents pellet screening, and the temporary storage box has a limited capacity. If the material output rate is too fast or the collection box is not replaced in time, it may overflow, affecting production continuity.

[0004] In response to the aforementioned technologies, a biomass fuel pelleting production apparatus is now provided, which can eliminate the drawbacks of existing apparatuses. Utility Model Content

[0005] The purpose of this invention is to provide a biomass fuel pelleting production device. By using this device, the problems of existing biomass fuels being unable to be pelletized and screened, as well as the inconvenience of equipment maintenance, can be solved.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a biomass fuel pelleting production device, including a support frame, a reducer fixedly installed on one side of the support frame, a support seat fixedly installed on the other side of the support frame, a helical gear fixedly connected to the output shaft of the reducer, the helical gear being located inside the support seat, a bevel gear meshing with the helical gear, a main shaft fixedly connected to the bevel gear, the main shaft being rotatably connected to the inner bottom surface of the support seat, a pelleting component fixedly installed on the support seat, and a screening unit fixedly installed on a support frame on one side of the pelleting component;

[0007] The granulation assembly includes a cylinder, with a main shaft extending into the cylinder. Inside the cylinder, a feeding rod, a distributing disc, distributing blades, three pressure rollers, pressure roller sleeves, and a granulation disc are arranged at intervals along the vertical direction. The feeding rod is fixedly connected to the top of the main shaft, the distributing disc is movably connected to the main shaft below the feeding rod, the distributing blades are fixedly connected to the main shaft below the distributing disc, the three pressure rollers are located below the distributing blades, and the three pressure rollers are movably connected to the main shaft through pressure roller sleeves. The pressure roller sleeves are fixedly connected to the main shaft, and the bottom end of the three pressure rollers abuts against the granulation disc. The granulation disc is fixedly connected to the main shaft and movably abuts against the inner wall of the cylinder.

[0008] Preferably, a scraper arm is movably connected to the bottom end of the granulation disc, the scraper arm is fixedly connected to the main shaft, and an inclined discharge cone is fixedly connected to the main shaft below the scraper arm.

[0009] Preferably, the cylinder body is composed of a cylinder cover, a first section cylinder, and a second section cylinder. One end of the cylinder cover is fixedly connected to a hopper, and the other end of the cylinder cover is screwed to the inner wall of the top of the first section cylinder. The other end of the first section cylinder is snapped and fixed to the second section cylinder. The snapping part of the first section cylinder and the second section cylinder is connected by a locking bolt, and the other end of the second section cylinder is fixedly connected to a support base.

[0010] Preferably, the two-section cylinder has a discharge port on the side near the screening unit, and the screening unit is located below the discharge port.

[0011] Preferably, the screening unit includes a drive motor, which is fixedly mounted on a bracket. A material-supporting ring plate is fixedly mounted on the drive motor. A spiral shaking belt is fixedly connected to the output shaft of the drive motor. The spiral shaking belt is movably disposed inside the material-supporting ring plate. At least two guide rails are fixedly connected to one outer wall of the material-supporting ring plate. The other ends of the two guide rails are respectively fixedly connected to length screening components, which are connected to external sorting and collecting equipment.

[0012] Preferably, the length screening component consists of a C-shaped open plate groove and a connecting strip, one end of which is fixedly connected to the guide rail, and the other end of which is fixedly connected to the C-shaped open plate groove.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. The present invention proposes a biomass fuel pelleting production device, which has been structurally improved. The fine layout of each component in the pelleting assembly realizes continuous and efficient material conversion, and seamlessly connects from material distribution, extrusion to shaping, greatly shortening the pelleting cycle. The screening unit uses a specially designed spiral shaking belt and a precise length screening component to facilitate length screening of materials after pelleting.

[0015] 2. The biomass fuel pelletizing production device proposed in this utility model is easy to maintain. The cylinder adopts a modular combination, and the cylinder cover, first-stage cylinder and second-stage cylinder are conveniently connected. Disassembly can be completed without professional and complicated tools, which can save time and costs during daily maintenance or component replacement. It effectively reduces the downtime of equipment maintenance and ensures production continuity. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is an exploded structural diagram of the granulation component of this utility model;

[0019] Figure 4 This is a schematic diagram of the length screening component of this utility model.

[0020] In the diagram: 1. Support; 2. Reducer; 21. Helical gear; 22. Bevel gear; 23. Main shaft; 3. Screening unit; 31. Drive motor; 32. Material bearing ring plate; 33. Spiral shaking belt; 34. Length screening component; 4. Support seat; 5. Granulation assembly; 51. Cylinder; 510. Cylinder cover; 511. First stage cylinder; 512. Second stage cylinder; 5120. Discharge port; 52. Feeding rod; 521. Distribution disc; 522. Distribution blade; 53. Three-wheel pressure roller; 531. Pressure roller bushing; 54. Granulation disc; 6. Hopper; 7. Scraper arm; 71. Discharge cone. Detailed Implementation

[0021] 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.

[0022] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings.

[0023] Combination Figures 1-4A biomass fuel pelletizing production device has a support frame 1 with a reducer 2 securely mounted on one side and a support base 4 firmly mounted on the other side. This not only provides a stable foundation for the entire device but also allows for flexible layout based on the production site, greatly optimizing the production process. A helical gear 21 is tightly fixed to the output shaft of the reducer 2. The helical gear 21 is located inside the support base 4 and precisely meshes with a bevel gear 22. Their coordinated operation smoothly changes the direction of force transmission, ensuring that power flows unimpeded from the reducer 2 to the main shaft 23, rationally distributing power for smooth and orderly subsequent transmission. The bevel gear 22 fixes the main shaft 23, which rotates flexibly on the inner bottom surface of the support base 4. As the core hub, the main shaft 23 drives a series of components, including the material distribution plate 521, the three-wheel pressure roller 53, and the pelletizing plate 54, to work together to process materials in an orderly manner. Granulation component 5 is fixed on support base 4. On bracket 1, screening unit 3 is placed on one side of granulation component 5. The two work closely together to realize a continuous process of granulation and screening.

[0024] The cylinder 51 in the granulation assembly 5 is crucial, with the main shaft 23 extending deep inside it. The cylinder 51 features a cleverly designed, vertically spaced distribution of a material distribution disc 521, material distribution blades 522, three pressure rollers 53, pressure roller sleeves 531, and a granulation disc 54. The material distribution disc 521 is flexibly connected to the main shaft 23 below the material feeding rod 52. Driven by the main shaft 23, it efficiently and evenly disperses the material, preventing material accumulation and laying a solid foundation for subsequent granulation. The material distribution blades 522 are firmly fixed to the main shaft 23 below the material distribution disc 521, further controlling the speed at which the material enters evenly. The three pressure rollers 53 are located below the material distribution blades 522 and are fixed to the main shaft 23 via the connection of the pressure roller sleeves 531. The three pressure rollers 53 then forcefully compress the dispersed material, promoting initial material formation. The bottom of the three rollers 53 is tightly pressed against the granulation disc 54. The granulation disc 54 is fixed to the main shaft 23 and smoothly moves against the inner wall of the cylinder 51, which finely shapes the initially formed material and produces qualified granules.

[0025] The bottom of the granulation disc 54 is flexibly connected to the scraper arm 7, which is firmly fixed to the main shaft 23. As the main shaft 23 rotates, the scraper arm 7 promptly cleans the residual material on the granulation disc 54, effectively preventing material accumulation and ensuring stable granulation results. Below the scraper arm 7, an inclined discharge cone 71 is fixed to the main shaft. Its reasonable inclination angle cleverly guides the formed granules to discharge smoothly, completely avoiding material blockage and ensuring smooth production.

[0026] The cylinder body 51 is precisely composed of a cylinder cover 510, a first-stage cylinder 511, and a second-stage cylinder 512. One end of the cylinder cover 510 is fixedly connected to the hopper 6 for easy introduction of biomass raw materials, while the other end is tightly screwed to the inner wall of the top of the first-stage cylinder 511. The other end of the first-stage cylinder 511 is precisely snapped into and fixed to the second-stage cylinder 512, with the snap-fit ​​joint reinforced by locking bolts. The other end of the second-stage cylinder 512 is firmly fixed to the support base 4. This structure ensures that the cylinder body 51 is stable and durable, while also facilitating installation, disassembly, and maintenance. A discharge port 5120 is precisely opened on the side of the second-stage cylinder 512 near the screening unit 3. The discharge port 5120 is directly below the screening unit 3, providing a fast channel for the granulated material to reach the screening stage, seamlessly connecting the production process.

[0027] In screening unit 3, drive motor 31 is securely mounted on bracket 1, providing power to the entire screening process. A material-supporting ring plate 32 is firmly fixed to drive motor 31, effectively supporting the material and preventing spillage. A spiral shaking belt 33 is securely fixed to the output shaft of drive motor 31. The spiral shaking belt 33 is flexibly positioned within the material-supporting ring plate 32, rotating at high speed under motor drive, violently shaking the material and causing it to tumble fully within screening unit 3, facilitating precise separation of materials of different specifications. At least two guide rails are securely connected to one outer wall of the material-supporting ring plate 32. The other ends of the two guide rails are respectively fixedly connected to length screening components 34. Length screening components 34 accurately screen particles that meet size requirements, smoothly connecting to external sorting and collection equipment to achieve efficient collection of finished product classification, ensuring stable and reliable finished product quality. The length screening component 34 is ingeniously composed of a C-shaped open plate groove 341 and a connecting strip 342. One end of the connecting strip 342 is fixed to the guide rail, and the other end is tightly fixed to the C-shaped open plate groove 341. The two work together to accurately screen and ensure that the particle size is compliant.

[0028] Working Principle: During operation, the support frame 1 provides basic support and mobility. The reducer 2 on one side precisely meshes with the bevel gear 22 inside the support seat 4 via the helical gear 21 on the output shaft, smoothly transmitting power to the main shaft 23. The main shaft 23, as the core rotating component, drives the various parts within the granulation assembly 5. Driven by the main shaft 23, the material guide rod 52 flexibly disperses the material, while the distribution blades 522 further regulate the material flow rate, ensuring it falls evenly onto the three-roller pressure rollers 53. The three-roller pressure rollers 53, linked to the main shaft 23 via the roller bushings 531, forcefully compress the material for initial shaping. The shaped material is then finely shaped by the granulation disc 54. After granulation, the scraper arm 7 rotates with the main shaft 23 to clean the residue from the granulation disc 54, and the discharge cone 71 guides the granules to the discharge port 5120 of the second-stage cylinder 512, where they fall into the screening unit 3. In the screening unit 3, the drive motor 31 drives the spiral shaking belt 33 to rotate and shake the material inside the material bearing ring plate 32. The guide rail cooperates with the length screening component 34 to accurately screen the material. It is connected to the external sorting and collection equipment to realize the classification and collection of finished products.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] 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 fuel pelleting production device, comprising a support (1), a reducer (2) fixedly mounted on one side of the support (1), and a support seat (4) fixedly mounted on the other side of the support (1). A helical gear (21) is fixedly connected to the output shaft of the reducer (2), the helical gear (21) being located inside the support seat (4). A bevel gear (22) meshes with the helical gear (21), and a main shaft (23) is fixedly connected to the bevel gear (22). The main shaft (23) is rotatably connected to the inner bottom surface of the support seat (4), characterized in that: A granulation component (5) is fixedly installed on the support base (4), and a screening unit (3) is fixedly installed on the bracket (1) on one side of the granulation component (5). The granulation assembly (5) includes a cylinder (51), and the main shaft (23) extends into the cylinder (51). Inside the cylinder (51), a feeding rod (52), a distributing disc (521), distributing blades (522), three pressure rollers (53), pressure roller bushings (531), and a granulation disc (54) are arranged at intervals along the vertical direction. The feeding rod (52) is fixedly connected to the top of the main shaft (23), and the distributing disc (521) is movably connected to the main shaft (23) below the feeding rod (52). The material distribution blade (522) is fixedly connected to the main shaft (23) below the material distribution plate (521). The three rollers (53) are located below the material distribution blade (522). The three rollers (53) are movably connected to the main shaft (23) through the roller bushing (531). The roller bushing (531) is fixedly connected to the main shaft (23). The bottom end of the three rollers (53) abuts against the granulation plate (54). The granulation plate (54) is fixedly connected to the main shaft (23) and movably abuts against the inner wall of the cylinder (51).

2. The biomass fuel pelletizing production apparatus according to claim 1, characterized in that: The bottom end of the granulation disc (54) is movably connected to a scraper arm (7), the scraper arm (7) is fixedly connected to the main shaft (23), and an inclined discharge cone (71) is fixedly connected to the main shaft below the scraper arm (7).

3. The biomass fuel pelletizing production apparatus according to claim 1, characterized in that: The cylinder (51) is composed of a cylinder cover (510), a first section cylinder (511) and a second section cylinder (512). One end of the cylinder cover (510) is fixedly connected to a hopper (6). The other end of the cylinder cover (510) is screwed onto the inner wall of the top of the first section cylinder (511). The other end of the first section cylinder (511) is snapped onto the second section cylinder (512). The snapping parts of the first section cylinder (511) and the second section cylinder (512) are connected by locking bolts. The other end of the second section cylinder (512) is fixedly connected to the support seat (4).

4. A biomass fuel pelletizing production apparatus according to claim 3, characterized in that: The two-section cylinder (512) has a discharge port (5120) on the side near the screening unit (3), and the screening unit (3) is located below the discharge port (5120).

5. A biomass fuel pelleting production apparatus according to claim 4, characterized in that: The screening unit (3) includes a drive motor (31), which is fixedly mounted on the bracket (1). A material support ring plate (32) is fixedly mounted on the drive motor (31). A spiral shaking belt (33) is fixedly connected to the output shaft of the drive motor (31). The spiral shaking belt (33) is movably arranged inside the material support ring plate (32). At least two guide rails are fixedly connected to one side of the outer wall of the material support ring plate (32). The other ends of the two guide rails are respectively fixedly connected to length screening components (34). The length screening components (34) are connected to the external sorting and collecting equipment.

6. A biomass fuel pelleting production apparatus according to claim 5, characterized in that: The length screening component (34) consists of a C-shaped open plate groove (341) and a connecting strip (342). One end of the connecting strip (342) is fixedly connected to the guide rail, and the other end of the connecting strip (342) is fixedly connected to the C-shaped open plate groove (341).

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