A raw material crushing device for biochar processing

Abstract

The utility model provides a raw material crushing device for charcoal processing, including frame, the top of frame is equipped with drive motor, the top of frame still is equipped with second casing, second casing bottom is equipped with blanking, the top of second casing is detachably equipped with first casing, the top of first casing is detachably equipped with seal cover, is equipped with first crushing axle between first casing and seal cover and rotates, be equipped with at least two second crushing axle between first casing and second casing, all be equipped with crushing cutter group on second crushing axle and first crushing axle, one end of second crushing axle and first crushing axle is connected with drive motor through transmission structure. Compared with prior art, when using, the raw material to be crushed is placed in the feed slot, one end of the raw material will be in contact with the cutting disc to cut into large pieces of debris, then the debris will be in contact with the strip cutter, the cooperation of the plurality of strip cutters can rapidly crush the debris, and the debris will fall from the bottom of the second casing.

Description

Technical Field

[0001] This utility model relates to the field of pulverizer technology, specifically to a raw material pulverizing device for biochar processing. Background Technology

[0002] Biochar, like regular charcoal, is a product of the thermal pyrolysis of biomass energy raw materials, and its main component is carbon molecules. Raw materials for biochar production include wood, bamboo poles, and straw, etc. Before biochar production, these raw materials need to be pulverized, requiring the use of a pulverizing device.

[0003] Currently, most pulverizers are single-shaft pulverizers, meaning they contain only one pulverizing shaft. The limited number of pulverizing blades on the surface of this single shaft results in low pulverizing efficiency. Therefore, we propose a raw material pulverizing device for biochar processing. Utility Model Content

[0004] This invention provides a raw material crushing device for biochar processing, which has the advantages of multiple crushing shafts and high crushing efficiency, and solves the problems mentioned in the background art.

[0005] The technical solution of this utility model is implemented as follows: A raw material crushing device for biochar processing is designed, including a frame, a drive motor at the top of the frame, a second housing at the top of the frame, a material discharge port at the bottom of the second housing, a first housing detachably mounted on the top of the second housing, a sealing cover detachably mounted on the top of the first housing, a first crushing shaft rotatably mounted between the first housing and the sealing cover, at least two second crushing shafts mounted between the first housing and the second housing, and crushing blade sets mounted on both the second and first crushing shafts. One end of the second and first crushing shafts is connected to the drive motor through a transmission structure.

[0006] Preferably, a first slot corresponding to the position of the first crushing shaft is provided at both ends of the opposite surfaces of the first housing and the sealing cover. When the first housing and the sealing cover are combined, both ends of the first crushing shaft are movably placed in the first slot, and both ends of the first crushing shaft are rotatably mounted on the first bracket, which is installed on the first housing.

[0007] Preferably, a second slot corresponding to the position of the second crushing shaft is provided at both ends of the opposite surfaces of the first housing and the second housing. When the first housing and the second housing are combined, both ends of the second crushing shaft are movably placed in the second slots. Both ends of the second crushing shaft are rotatably mounted on the second bracket, and the second bracket is mounted on the second housing.

[0008] Preferably, the opposite edges of the first housing and the sealing cover, as well as the opposite edges of the first housing and the second housing, are provided with skirts, which are connected to each other by fasteners.

[0009] Preferably, a screen is detachably installed at the bottom of the material discharge port.

[0010] Preferably, a downward-sloping guide chute is provided below the screen, and the guide chute is detachably connected to the frame.

[0011] Preferably, the transmission structure includes pulleys respectively mounted on the first crushing shaft, the second crushing shaft and the drive motor shaft, and the pulleys are connected by a belt.

[0012] Preferably, the shredder assembly includes strip-shaped cutters disposed on the surfaces of the first and second shredder shafts, and adjacent shredder assemblies do not contact each other.

[0013] Preferably, one end of each strip cutter is movably mounted on a mounting shaft. There are multiple mounting shafts, which are distributed around the first and second crushing shafts respectively. Each mounting shaft is mounted on the first and second crushing shafts respectively through multiple supports.

[0014] Preferably, a cutting disc is coaxially mounted at at least one end of the first crushing shaft. The cutting disc is located inside the sealing cover and the first housing and does not contact the second crushing shaft. The surface of the cutting disc is provided with a plurality of inclined strip-shaped cuts. The edge of the strip-shaped cuts near the first crushing shaft is provided with an installation bevel. A strip-shaped blade is detachably provided on the installation bevel. The blade edge of the strip-shaped blade extends to the outside of the strip-shaped cut. At least one feed groove is provided on the top side of the sealing cover, and the cutting disc is located on one side of the feed groove.

[0015] Compared with the prior art, when using this utility model, the raw material to be crushed is placed in the feeding trough, one end of the raw material will contact the cutting disc and be cut into large pieces of debris, and then the debris will contact the strip cutter. The cooperation of multiple strip cutters can quickly crush the debris, and the debris will fall from the bottom of the second housing. Compared with the traditional single-shaft crusher, the crushing device proposed in this application has multiple sets of strip cutters, which has a good crushing effect and fast speed. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 .

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 .

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 3 .

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 4 .

[0021] Figure 5 This is a schematic diagram of the pulverizing blade assembly in this utility model.

[0022] Figure 6 This is a schematic diagram of the cutting disc in this utility model.

[0023] Figure 7 This is a cross-sectional view of the present invention.

[0024] In the diagram: 1. Frame; 2. Feed chute; 3. Second crushing shaft; 4. Pulley; 5. First crushing shaft; 6. Feed chute; 7. Sealing cover; 8. First housing; 9. Second housing; 10. Drive motor; 11. Protective cover; 12. Cutting disc; 13. Strip cut; 14. Strip blade; 15. Support; 16. Strip cutter; 17. Mounting slope; 18. Screen; 19. First bracket; 20. First slot; 21. Second slot; 22. Second bracket; 23. Mounting shaft. Detailed Implementation

[0025] The technical solution of this utility model will be clearly and completely described below with reference to its embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] Reference Figures 1 to 7 This utility model provides a technical solution: a raw material crushing device for biochar processing, including a frame 1, which is supported on the ground and serves as the main support for the entire device. A second housing 9 is also provided at the top of the frame 1, and the second housing 9 is fixed to the frame 1. A material discharge port (not shown in the figure) is provided at the bottom of the second housing 9. A screen 18 is detachably provided at the bottom of the material discharge port. The screen 18 is a perforated metal plate, i.e., a perforated steel plate. The edges of the screen 18 are fastened to the edges of the material discharge port by bolts, or pull grooves are provided on both sides of the edges of the material discharge port, and the two sides of the screen 18 are placed in the pull grooves and then fixed by bolts or locks.

[0027] The top of the second housing 9 is detachably provided with the first housing 8. Specifically, the edges of the first housing 8 and the second housing 9 are both provided with skirts, which are connected by fasteners. At least two second crushing shafts 3 are provided between the first housing 8 and the second housing 9. The two second crushing shafts 3 are parallel and horizontally placed. The first housing 8 and the second housing 9 are assembled together as follows: specifically, each end of the opposite surface of the first housing 8 and the second housing 9 has a second slot 21 corresponding to the position of the second crushing shaft 3. During installation, the first housing 8 and the second housing 9 are joined together, allowing both ends of the second crushing shaft 3 to be movably placed in the second slot 21. The second slot 21 and the second crushing shaft 3 are fitted with a clearance fit. Then, both ends of the second crushing shaft 3 are rotatably mounted on the second bracket 22, which is mounted on the second housing 9. This provides support for both ends of the second crushing shaft 3, while allowing the second crushing shaft 3 to rotate freely. Because the clearance between the second crushing shaft 3 and the second slot 21 is very small, no leakage of debris will occur.

[0028] A sealing cover 7 is detachably provided on the top of the first housing 8. Specifically, it is located at one opposite edge of the first housing 8 and the sealing cover 7, with the skirt connected by fasteners. A first crushing shaft 5 is rotatably provided between the first housing 8 and the sealing cover 7. Figure 1 and Figure 2 As shown, at least one feed chute 6 is provided on the top side of the sealing cover 7, and the feed chute 6 is inclined upward. The first housing 8 and the sealing cover 7 are installed together as follows: At both ends of the opposing surfaces of the first housing 8 and the sealing cover 7, there are first slots 20 corresponding to the first crushing shaft 5. The first slots 20 are fitted with the first crushing shaft 5 with a clearance fit. During installation, the first housing 8 and the sealing cover 7 are joined together, allowing both ends of the first crushing shaft 5 to be movably placed within the first slots 20. Then, the two ends of the first crushing shaft 5 are rotatably mounted on the first bracket 19, which is installed on the first housing 8. This provides support for both ends of the first crushing shaft 5 while allowing it to rotate freely. Because the gap between the first crushing shaft 5 and the first slots 20 is very small, no leakage of debris will occur.

[0029] Furthermore, both the second crushing shaft 3 and the first crushing shaft 5 are equipped with crushing blade sets, which are used to crush the raw materials for preparing biochar. For example... Figure 5 As shown, the shredder assembly includes strip cutters 16 disposed on the surfaces of the first shredder shaft 5 and the second shredder shaft 3. Adjacent shredder assemblies do not contact each other to avoid collisions. In order for the second crushing shaft 3 and the first crushing shaft 5 to rotate, one end of the second crushing shaft 3 and the first crushing shaft 5 are connected to the drive motor 10 through a transmission structure. For example... Figure 1As shown, the top of the frame 1 is equipped with a drive motor 10. The transmission structure includes pulleys 4 respectively installed on the first crushing shaft 5, the second crushing shaft 3 and the shaft of the drive motor 10. The pulleys 4 are connected by a belt. When the drive motor 10 rotates, it can drive the first crushing shaft 5 and the second crushing shaft 3 to rotate simultaneously.

[0030] Furthermore, this application also improves the installation method of the strip cutter 16, enabling multiple strip cutters 16 to achieve a higher crushing effect. Specifically, each strip cutter 16 has a round hole at one end, allowing one end of each strip cutter 16 to movably pass through the mounting shaft 23. There are multiple mounting shafts 23, which are distributed around the first crushing shaft 5 and the second crushing shaft 3, and each mounting shaft 23 is mounted on the first crushing shaft 5 and the second crushing shaft 3 through multiple supports 15. It should be noted that the end of the support 15 is provided with through holes. During installation, the mounting shaft 23 is inserted into each through hole, and then the two ends of the mounting shaft 23 are fixed by nuts or pins, or by welding. This allows each strip cutter 16 to rotate freely. When the first crushing shaft 5 and the second crushing shaft 3 rotate, the strip cutter 16 can unfold and rotate rapidly under the drive of centrifugal force. It should be noted that when the strip cutter 16 is fully unfolded under the drive of centrifugal force, the strip cutters 16 on the first crushing shaft 5 and the second crushing shaft 3 do not contact each other, or in other words, the gap between two adjacent sets of strip cutters 16 is very small.

[0031] Furthermore, such as Figure 5 and Figure 7 As shown, a cutting disc 12 is coaxially mounted at at least one end of the first crushing shaft 5. The cutting disc 12 is located on one side of the feed trough 6, inside the sealing cover 7 and the first housing 8, and does not contact the second crushing shaft 3. Figure 5 and Figure 6 As shown, the surface of the cutting disc 12 is provided with a plurality of inclined strip-shaped cuts 13. The edge of the strip-shaped cut 13 near the first crushing shaft 5 is provided with a mounting bevel 17. A strip-shaped blade 14 is detachably mounted on the mounting bevel 17. The blade edge mounting bevel 17 of the strip-shaped blade 14 extends to the outside of the strip-shaped cut 13. like Figure 7 As shown, when the first crushing shaft 5 rotates, it drives the cutting disc 12 to rotate, crushing the raw material to be crushed (such as...). Figure 7 (As indicated by the middle arrow A), the raw material will slide down the feed chute 6 into the sealing cover 7, and then one end of the raw material will contact the cutting disc 12. The rapidly rotating cutting disc 12 will drive the strip cutting 13 to rotate rapidly, so that the cutting edge of the strip blade 14 will quickly cut the raw material. The cut debris will enter the sealing cover 7, the first housing 8, and the second housing 9. The strip cutter 16 rotates rapidly under the drive of the first crushing shaft 5 and the second crushing shaft 3, so the debris will come into contact with the strip cutter 16. Since there are at least two second crushing shafts 3, the cooperation of multiple strip cutters 16 can quickly crush the debris. The crushed particles will then fall from the screen 18. An inclined downward guide chute 2 is provided below the screen 18. The guide chute 2 is detachably connected to the frame 1.

[0032] It is important to emphasize that the first crushing shaft 5 is for auxiliary crushing; the second crushing shaft 3 is the one that truly plays the main crushing role. Because there are many second crushing shafts 3, and many strip cutters 16 mounted on them, the rotation of these strip cutters 16 within the sealing cover 7, the first housing 8, and the second housing 9 allows for rapid crushing of raw materials. Furthermore, the sealing cover 7 and the first housing 8, as well as the first housing 8 and the second housing 9, are easily disassembled. Therefore, when maintaining or replacing the strip cutters 16, it is only necessary to open the sealing cover 7 and the first housing 8, or the first housing 8 and the second housing 9, respectively, to operate the strip cutters 16 inside the machine.

[0033] Based on the above embodiments, further optimization is possible. Shaft seals are provided in the first slot 20 and the second slot 21. The shaft seals are fitted on the first crushing shaft 5 and the second crushing shaft 3 to achieve a better sealing effect.

[0034] Based on the above embodiments, further optimizations can be made, such as... Figure 2 As shown, in order to prevent foreign objects from getting caught in the belt and pulley, the belt and pulley are placed inside the protective cover 11, and then the protective cover 11 is detachably installed on the frame 1. This will prevent foreign objects from entering the belt.

[0035] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A raw material crushing device for biochar processing, comprising a frame (1), wherein a drive motor (10) is provided on the top of the frame (1), characterized in that, The top of the frame (1) is also provided with a second housing (9), and the bottom of the second housing (9) is provided with a material discharge port; The top of the second housing (9) is detachably provided with the first housing (8), the top of the first housing (8) is detachably provided with the sealing cover (7), the first crushing shaft (5) is rotatably provided between the first housing (8) and the sealing cover (7), at least two second crushing shafts (3) are provided between the first housing (8) and the second housing (9), and crushing blades are provided on both the second crushing shafts (3) and the first crushing shafts (5); One end of the second crushing shaft (3) and the first crushing shaft (5) are connected to the drive motor (10) through a transmission structure.

2. The raw material crushing device for biochar processing as described in claim 1, characterized in that, First slots (20) with positions corresponding to the first crushing shaft (5) are provided at both ends of the opposite surfaces of the first housing (8) and the sealing cover (7); When the first housing (8) and the sealing cover (7) are combined, the two ends of the first crushing shaft (5) are respectively placed in the first slot (20), and the two ends of the first crushing shaft (5) are rotatably set on the first bracket (19), which is installed on the first housing (8).

3. The raw material pulverizing device for biochar processing according to claim 2, characterized by A second slot (21) corresponding to the position of the second crushing shaft (3) is provided at both ends of the opposite surfaces of the first housing (8) and the second housing (9); When the first housing (8) and the second housing (9) are combined, the two ends of the second crushing shaft (3) are respectively placed in the second slot (21), and the two ends of the second crushing shaft (3) are rotatably mounted on the second bracket (22), which is mounted on the second housing (9).

4. The raw material pulverizing device for biochar processing according to claim 3, characterized by Skirts are provided on the opposite edge of the first housing (8) and the sealing cover (7) as well as on the opposite edge of the first housing (8) and the second housing (9), and the skirts are connected to each other by fasteners.

5. The raw material crushing device for biochar processing as described in claim 1, characterized in that, A screen (18) is detachably installed at the bottom of the discharge port.

6. The raw material pulverizing device for biochar processing according to claim 5, wherein The screen (18) is provided with a downward inclined guide chute (2), which is detachably connected to the frame (1).

7. The raw material pulverizing device for biochar processing according to claim 1, wherein The transmission structure includes pulleys (4) respectively installed on the first crushing shaft (5), the second crushing shaft (3) and the drive motor (10) shaft, and the pulleys (4) are connected by belts.

8. The raw material crushing apparatus for biochar processing as described in any one of claims 1-7, characterized in that, The shredder assembly includes strip cutters (16) disposed on the surfaces of the first shredder shaft (5) and the second shredder shaft (3), and there is no contact between adjacent shredder assemblies.

9. The raw material crushing device for biochar processing as described in claim 8, characterized in that, One end of each strip cutter (16) is movably mounted on the mounting shaft (23). There are multiple mounting shafts (23) and they are distributed around the first crushing shaft (5) and the second crushing shaft (3). Each mounting shaft (23) is mounted on the first crushing shaft (5) and the second crushing shaft (3) respectively through multiple supports (15).

10. The raw material crushing device for biochar processing as described in claim 1, characterized in that, A cutting disc (12) is coaxially mounted at at least one end of the first crushing shaft (5). The cutting disc (12) is located inside the sealing cover (7) and the first housing (8) and does not contact the second crushing shaft (3). The surface of the cutting disc (12) is provided with multiple inclined strip-shaped cuts (13). The edge of the strip-shaped cut (13) near the first crushing shaft (5) is provided with a mounting slope (17). A strip-shaped blade (14) is detachably provided on the mounting slope (17). The blade edge mounting slope (17) of the strip-shaped blade (14) extends to the outside of the strip-shaped cut (13). At least one feed trough (6) is provided on the top side of the sealing cover (7), and the cutting disc (12) is located on one side of the feed trough (6).

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