Crushing device for biomass fuel preparation
By introducing a conical hopper and cutting mechanism into the crushing equipment for pre-cutting, combined with a four-axis linkage crushing mechanism and arc screen, the existing crushing equipment is solved inefficient and locked, and an efficient and stable crushing process is achieved. Uniform material output.
Patent Information
- Application Number
- CN202420825545.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-20
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-20
AI Technical Summary
Existing crushing equipment is inefficient when crushing agricultural and forestry waste and is prone to equipment jamming, affecting its use.
A crushing device for biomass fuel preparation is designed, including a conical feeding hopper, a cutting mechanism and a crushing mechanism. The cutting mechanism is pre-cut by rotating electric machine, rotating gear, connecting rod, sliding block and cutting blade. The crushing mechanism adopts four-axis Linkage and arc screens to ensure stable and efficient crushing.
By pre-cutting, the cracking phenomenon between large wood and the crushing roller is avoided, the crushing efficiency and stability are improved, and the crushed materials are made more uniform.
Smart Images
Figure CN222152267U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of biomass fuel, in particular to a pulverizing device for preparing biomass fuel. Background Art
[0002] Biomass fuel refers to the burning of biomass materials as fuel, generally mainly agricultural and forestry waste, such as straw, sawdust, bagasse, rice bran, etc. It is mainly different from fossil fuels. Molding technology includes processes such as crushing, drying, and mechanical pressurization, which press agricultural and forestry waste into densely structured granular fuels. Its energy density is about ten times greater than that before processing. Molded fuel is easy to store and transport, is renewable, and can reduce pollution to the environment. It is a new type of clean renewable energy that is strongly supported and promoted by the national government.
[0003] At present, the crushing equipment used in the process of crushing agricultural and forestry waste generally uses a single-stage crushing device to directly crush the waste. The crushing efficiency is low, and the sizes of the materials after crushing are different. Since the volume of agricultural and forestry waste is often large, the interaction force between the wood and the crushing roller during the crushing process can easily cause the equipment to get stuck, affecting its use.
[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content
[0005] In view of the above defects, the utility model provides a pulverizing device for preparing biomass fuel to solve the problem of efficient pulverization of agricultural and forestry wastes.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A pulverizing device for preparing biomass fuel, comprising a pulverizing body and a conical feeding hopper inserted at the center of the upper end of the pulverizing body, wherein a cutting mechanism is arranged at the top of the pulverizing body and a pulverizing mechanism is arranged inside the pulverizing body;
[0008] The cutting mechanism includes a rotating motor, a group of rotating gears, a group of connecting rods, a group of fixed slide rails, a group of sliding blocks and a group of cutting blades. The rotating motor is installed on the rear end of the crushing machine body, and the rotating end is movably inserted in the crushing machine body. A group of rotating gears is movably installed on the top of the crushing machine body, and one of the rotating gears is connected to the rotating end of the rotating motor. The rear end of a group of connecting rods is hinged at the rear end of the top of the crushing machine body. A group of fixed slide rails is installed on the top of the crushing machine body. A group of sliding blocks are slidably installed at the bottom of a group of fixed slide rails. A group of cutting blades are installed at the front end of a group of sliding blocks.
[0009] Furthermore, the crushing mechanism includes a group of driving motors, a group of driving crushing rollers, a group of driven crushing rollers and an arc screen, a group of driving motors is horizontally installed at the front end of the crushing machine body, a group of driving crushing rollers is movably installed in the crushing machine body, and the front end is connected to the rotating end of a group of driving motors, a group of driven crushing rollers is movably installed on both sides of the crushing machine body, and the arc screen is installed at the bottom of a group of driving crushing rollers and a group of driven crushing rollers.
[0010] Furthermore, a group of driving crushing rollers and a group of driven crushing rollers are staggeredly mounted with a plurality of crushing blades, and the group of driving crushing rollers and the driven crushing rollers are connected via a transmission chain.
[0011] Furthermore, a group of rotating gears are meshed with each other, and a group of relative pin shafts 1 are fixedly installed on the group of rotating gears, and a group of connecting rods are provided with a strip hole 1 which is opposite to the group of relative pin shafts 1.
[0012] Furthermore, a group of two relative pin shafts are fixedly installed at the bottom of a group of sliding blocks, and a group of two bar-shaped holes corresponding to the group of two relative pin shafts are opened at the front end of a group of connecting rods.
[0013] Furthermore, a conveying motor is installed at the bottom left side of the crushing machine body, a conveying shaft is installed at the rotating end of the conveying motor, a plurality of auger conveying blades are evenly installed on the conveying shaft, and a discharge port is opened at the bottom right side of the crushing machine body.
[0014] The utility model provides a pulverizing device for preparing biomass fuel, which has the following beneficial effects: through a cutting mechanism located at the top of the pulverizer body, a group of cutting blades are used for relative reciprocating motion, so that agricultural and forestry wastes put into the conical feeding hopper can be pre-cut, thereby facilitating subsequent pulverization and preventing the interaction between large wood and the pulverizing roller to cause jamming. The pulverizing mechanism adopts four-axis linkage pulverization to ensure stability and high efficiency in the pulverizing process, and the pulverized material can be made more uniform in combination with the bottom arc screen. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of a pulverizing device for preparing biomass fuel described in the utility model.
[0016] Figure 2 It is a schematic diagram of the cutting mechanism of the utility model.
[0017] Figure 3 It is a top view of the pulverizer body of the utility model.
[0018] Figure 4 This is a schematic diagram of the driving crushing roller described in the utility model.
[0019] Figure 5 This is an appearance diagram of the pulverizer body of the utility model.
[0020] In the figure: 1. Crusher body; 2. Conical hopper; 3. Rotating motor; 4. Rotating gear; 5. Connecting rod; 6. Fixed slide rail; 7. Sliding block; 8. Cutting blade; 9. Driving motor; 10. Driving crushing roller; 11. Driven crushing roller; 12. Arc screen; 13. Crushing blade; 14. Transmission chain; 15. Pin shaft 1; 16. Strip hole 1; 17. Pin shaft 2; 18. Strip hole 2; 19. Conveying motor; 20. Conveying shaft; 21. Auger conveying blade; 22. Discharge port. DETAILED DESCRIPTION
[0021] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1-5 As shown: a pulverizing device for preparing biomass fuel, comprising a pulverizing body 1 and a conical feeding hopper 2 inserted at the center of the upper end of the pulverizing body 1, a cutting mechanism is provided at the top of the pulverizing body 1, and a pulverizing mechanism is provided in the pulverizing body 1; the cutting mechanism comprises a rotating motor 3, a group of rotating gears 4, a group of connecting rods 5, a group of fixed slide rails 6, a group of sliding blocks 7 and a group of cutting blades 8, the rotating motor 3 is installed at the upper rear end of the pulverizing body 1, and the rotating end is movably inserted in the pulverizing body 1, a group of rotating gears 4 is movably installed at the top of the pulverizing body 1, and one of the rotating gears 4 is connected to the rotating end of the rotating motor 3, a group of connecting rods 5 rear ends are hinged at the rear end of the top of the pulverizing body 1, a group of fixed slide rails 6 are installed at the top of the pulverizing body 1, a group of sliding blocks 7 are slidably installed at the bottom of a group of fixed slide rails 6, and a group of cutting blades 8 are installed at the front end of a group of sliding blocks 7; the pulverizing mechanism comprises a group of driving motors 9, a group of driving pulverizing rollers 10, a group of driven pulverizing rollers 11 and an arc screen 12, a group of driving motors 9 are horizontally installed at the front end of the pulverizing body 1, a group of driving ...2 are installed at the front end of the pulverizing body 1, a group of driving pulverizing rollers 13 are installed at the front end The roller 10 is movably installed in the pulverizer body 1, and the front end is connected to the rotating end of a group of driving motors 9. A group of driven pulverizing rollers 11 are movably installed on both sides of the pulverizer body 1. The arc screen 12 is installed at the bottom of a group of driving pulverizing rollers 10 and a group of driven pulverizing rollers 11; a group of driving pulverizing rollers 10 and a group of driven pulverizing rollers 11 are staggeredly installed with a plurality of pulverizing blades 13, and the driving pulverizing rollers 10 and the driven pulverizing rollers 11 are connected by a transmission chain 14; a group of rotating gears 4 are meshed with each other, and a group of rotating gears A group of relative pin shafts 15 are fixedly installed on 4, and a group of connecting rods 5 are provided with a strip hole 16 relative to the group of relative pin shafts 15; a group of relative pin shafts 2 17 are fixedly installed on the bottom of a group of sliding blocks 7, and a group of connecting rods 5 are provided with a strip hole 2 18 relative to the group of relative pin shafts 2 17 at the front end; a conveying motor 19 is installed at the bottom of the left side of the crushing machine body 1, and a conveying shaft 20 is installed at the rotating end of the conveying motor 19, and a plurality of auger conveying blades 21 are evenly installed on the conveying shaft 20, and a discharge port 22 is opened at the bottom of the right side of the crushing machine body 1.
[0022] Working principle of this embodiment: The electrical equipment used in the device is controlled by an external controller. When in use, the user first evenly puts the agricultural and forestry waste to be crushed into the crushing machine body 1 through the conical feeding hopper 2;
[0023] During cutting: the rotating motor 3 is installed at the rear end of the pulverizer body 1, and the rotating end is movably inserted into the pulverizer body 1 through a fastening bearing, a group of rotating gears 4 are movably installed at the top of the pulverizer body 1, and one of the rotating gears 4 is connected to the rotating end of the rotating motor 3, a group of connecting rods 5 are hinged at the rear end of the top of the pulverizer body 1, a group of fixed slide rails 6 are installed at the top of the pulverizer body 1, a group of sliding blocks 7 are slidably installed at the bottom of a group of fixed slide rails 6, a group of cutting blades 8 are installed at the front end of a group of sliding blocks 7, a group of rotating gears 4 are meshed with each other, and a group of relative pin shafts 15 are fixedly installed on a group of rotating gears 4, a group of connecting rods 5 are provided with a strip hole 16 relative to the group of relative pin shafts 15, a group of relative pin shafts 2 17 are fixedly installed at the bottom of a group of sliding blocks 7, and a group of connecting rods 5 are provided with a strip hole 2 18 relative to the group of relative pin shafts 2 17 at the front end, such as Figure 2 and Figure 3 As shown, the rotating motor 3 first drives a set of rotating gears 4 to rotate relatively, and drives a set of connecting rods 5 to swing back and forth through a set of relative pin shafts 15. The set of connecting rods 5 drives a set of cutting blades 8 to reciprocate relatively through a set of sliding blocks 7, which can pre-cut the agricultural and forestry wastes put into the conical feeding hopper 2, thereby facilitating subsequent crushing and preventing the interaction between large wood and the crushing roller, resulting in a jamming phenomenon;
[0024] During crushing: a group of driving motors 9 are horizontally installed at the front end of the crushing machine body 1, a group of driving crushing rollers 10 are movably installed in the crushing machine body 1 through a fastening bearing, and the front end is connected to a group of driving motors 9 rotating ends, a group of driven crushing rollers 11 are movably installed on both sides of the crushing machine body 1 through a fastening bearing, an arc screen 12 is installed at the bottom of a group of driving crushing rollers 10 and a group of driven crushing rollers 11, a group of driving crushing rollers 10 and a group of driven crushing rollers 11 are staggeredly installed with a plurality of crushing blades 13, and the relative group of driving crushing rollers 10 and the driven crushing rollers 11 are connected by a transmission chain 14, a conveying motor 19 is installed at the bottom of the left side of the crushing machine body 1, a conveying shaft 20 is installed at the rotating end of the conveying motor 19, and a plurality of auger conveying blades 21 are evenly installed on the conveying shaft 20, and a discharge port 22 is opened at the bottom of the right side of the crushing machine body 1, such as Figure 1 , Figure 4 as well as Figure 5As shown, a group of driving motors 9 first drives a group of driving crushing rollers 10 to rotate relative to each other, and pre-crushes the cut agricultural and forestry waste. At the same time, a group of driven crushing rollers 11 rotate relative to each other, and can perform secondary crushing on the agricultural and forestry waste. The four-axis linkage crushing ensures the stability and efficiency of the crushing process. The bottom arc screen 12 can make the crushed material more uniform, and the crushed material can be evenly delivered through the auger conveying blades 21.
[0025] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the utility model. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the utility model and fall within the protection scope of the utility model.
Claims
1. A pulverizing device for preparing biomass fuel, comprising a pulverizing body (1) and a conical feeding hopper (2) inserted at the center of the upper end of the pulverizing body (1), characterized in that: The top of the pulverizer body (1) is provided with a cutting mechanism, and a pulverizing mechanism is provided inside the pulverizer body (1); The cutting mechanism comprises a rotating motor (3), a group of rotating gears (4), a group of connecting rods (5), a group of fixed slide rails (6), a group of sliding blocks (7) and a group of cutting blades (8), wherein the rotating motor (3) is mounted on the upper rear end of a pulverizing machine body (1), and the rotating end is movably inserted in the pulverizing machine body (1), a group of rotating gears (4) is movably mounted on the top of the pulverizing machine body (1), and one of the rotating gears (4) is connected to the rotating end of the rotating motor (3), a group of connecting rods (5) has a rear end hinged to the rear end of the top of the pulverizing machine body (1), a group of fixed slide rails (6) is mounted on the top of the pulverizing machine body (1), a group of sliding blocks (7) is slidably mounted on the bottom of the group of fixed slide rails (6), and a group of cutting blades (8) is mounted on the front end of the group of sliding blocks (7).
2. A pulverizing device for preparing biomass fuel according to claim 1, characterized in that: The pulverizing mechanism comprises a group of driving motors (9), a group of driving pulverizing rollers (10), a group of driven pulverizing rollers (11) and an arc-shaped screen (12), wherein the group of driving motors (9) is horizontally mounted at the front end of a pulverizing machine body (1), the group of driving pulverizing rollers (10) is movably mounted in the pulverizing machine body (1), and the front end is connected to the rotating end of the group of driving motors (9), the group of driven pulverizing rollers (11) is movably mounted on both sides of the pulverizing machine body (1), and the arc-shaped screen (12) is mounted at the bottom of the group of driving pulverizing rollers (10) and the group of driven pulverizing rollers (11).
3. A pulverizing device for preparing biomass fuel according to claim 2, characterized in that: A plurality of crushing blades (13) are alternately mounted on a group of driving crushing rollers (10) and a group of driven crushing rollers (11), and the group of driving crushing rollers (10) and the driven crushing rollers (11) are connected in transmission via a transmission chain (14).
4. A pulverizing device for preparing biomass fuel according to claim 1, characterized in that: A group of rotating gears (4) mesh with each other, and a group of opposite pin shafts (15) are fixedly mounted on the group of rotating gears (4), and a group of connecting rods (5) are provided with a strip hole (16) opposite to the group of opposite pin shafts (15).
5. A pulverizing device for preparing biomass fuel according to claim 1, characterized in that: A group of two opposite pin shafts (17) are fixedly mounted on the bottom of a group of sliding blocks (7), and a group of two bar-shaped holes (18) opposite to the group of two opposite pin shafts (17) are formed at the front end of a group of connecting rods (5).
6. A pulverizing device for preparing biomass fuel according to claim 1, characterized in that: A conveying motor (19) is installed at the bottom of the left side of the pulverizer body (1), a conveying shaft (20) is installed at the rotating end of the conveying motor (19), a plurality of auger conveying blades (21) are evenly installed on the conveying shaft (20), and a discharge port (22) is opened at the bottom of the right side of the pulverizer body (1).