Raw material crushing device for biomass fuel processing

Abstract

A raw material crushing device for biomass fuel processing comprises a supporting structure, a screening box is arranged on the supporting structure, a discharging groove is formed in the bottom of the screening box, a material uniformizing and crushing box is arranged on the top of the screening box, a feeding groove is formed in the top of the material uniformizing and crushing box, and a filter screen is arranged in the screening box. Crushing rollers and a uniform feeding structure which are symmetrically arranged and matched with each other are arranged in the material homogenizing and crushing box, one crushing roller is connected with the output end of a motor, the motor is connected with the outer wall of the material homogenizing and crushing box through a fixing seat, and a transmission gear is arranged on the crushing roller connected with the motor; and the transmission gear is meshed with a linkage gear arranged on the other crushing roller. By the adoption of the structure, the feeding amount is evenly controlled at the feeding end, intermittent and equivalent feeding is achieved, it can be guaranteed that raw materials are not excessively stacked on the crushing structure, the uniform crushing quality is kept, the screening efficiency is improved through screening discharging and stirring of the crushed materials, the crushing quality is further controlled to be uniform and stable at the discharging end, and the later machining quality is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass fuel processing equipment, in particular to a raw material crushing device for biomass fuel processing. Background Art

[0002] Biomass energy refers to energy converted from plants, feces, and urban and rural organic waste in nature. It is a clean and renewable energy source. In the processing of biomass fuel, the pretreatment stage is particularly critical, especially the processing quality of the crushing process directly affects the subsequent drying, granulation and molding of biomass fuel raw materials. In the processing of existing crushing equipment, especially the materials after crushing processing, due to the structural defects of the crushing structure itself, uneven crushing of materials often occurs, which easily leads to uneven drying of raw materials in subsequent drying processing, directly affecting the thermal efficiency of the fuel. At the same time, the granulation processing of unevenly crushed raw materials is more difficult, easy to loosen, and difficult to mold. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a raw material crushing device for biomass fuel processing. The feed end evenly controls the feed amount and feeds the material intermittently in equal amounts, which can not only ensure that the raw materials are not excessively accumulated on the crushing structure and maintain uniform crushing quality, but also control the processing structure and stabilize the crushing process; the crushed material is screened and unloaded, and stirring improves the screening efficiency. The discharge end further controls the crushing quality to be uniform and stable, and the quality of later processing is higher; the power transmission is linked, and the device as a whole avoids setting too many power units, which not only simplifies the overall structure, but also can cooperate in operation synchronously, which is convenient, fast and practical.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a raw material crushing device for biomass fuel processing, including a supporting structure, a screening box is provided on the supporting structure, a discharge trough is provided at the bottom of the screening box, a uniform material crushing box is provided on the top of the screening box, a feed trough is provided on the top of the uniform material crushing box, a filter screen is provided in the screening box, and symmetrically arranged and mutually coordinated crushing rollers and a uniform feeding structure are provided in the uniform material crushing box, one of the crushing rollers is connected to the output end of the motor, the motor is connected to the outer wall of the uniform material crushing box through a fixed seat, and a transmission gear is provided on the crushing roller connected to the motor, and the transmission gear is meshed with a linkage gear provided on the other crushing roller.

[0005] In a preferred embodiment, a first transmission wheel is provided on the crushing roller where the transmission gear is located, and the first transmission wheel cooperates with the second transmission wheel for transmission through a first transmission belt. The second transmission wheel is arranged on a first rotating shaft, and the first rotating shaft is arranged on a screening box. The first rotating shaft is provided with a plurality of stirring rods cooperating with the filter screen.

[0006] In the preferred scheme, the uniform feeding structure includes a material guide inclined plate symmetrically arranged on the inner wall of the material uniforming crushing box, a material uniforming arc plate is provided on the material guide inclined plate, a third transmission wheel is provided on the crushing roller where the linkage gear is located, and the third transmission wheel is transmitted through a second transmission belt and cooperates with a fourth transmission wheel arranged on the second rotating shaft. The second rotating shaft is arranged on the material uniforming crushing box, and a plurality of material uniforming partitions cooperating with the material uniforming arc plate are provided on the second rotating shaft.

[0007] In a preferred solution, the screening box is provided with a material clearing door.

[0008] In a preferred embodiment, the feed trough is a wide-mouth feed trough.

[0009] The raw material crushing device for biomass fuel processing provided by the utility model has the following beneficial effects by adopting the above structure:

[0010] (1) The feed amount is evenly controlled at the feed end, and the feed is fed intermittently and in equal amounts, which can not only ensure that the raw materials do not accumulate too much on the crushing structure and maintain uniform crushing quality, but also control the processing structure and stabilize the crushing process;

[0011] (2) The crushed material is screened and unloaded, and the mixing improves the screening efficiency. The discharge end further controls the crushing quality to be uniform and stable, and the subsequent processing quality is higher;

[0012] (3) Linked power transmission: the device as a whole avoids setting up too many power units, which not only simplifies the overall structure, but also enables synchronous coordinated operation, which is convenient, fast and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0017] Figure 4 It is a schematic diagram of the internal structure of the utility model.

[0018] In the figure: supporting structure 1, screening box 2, discharging trough 3, material distribution crushing box 4, feeding trough 5, cleaning door 6, crushing roller 7, motor 8, fixing seat 9, filtering screen 10, guiding inclined plate 11, material distribution arc plate 12, first transmission wheel 13, first transmission belt 14, second transmission wheel 15, first rotating shaft 16, stirring rod 17, third transmission wheel 18, second transmission belt 19, second rotating shaft 20, fourth transmission wheel 21, material distribution partition 22, transmission gear 23, linkage gear 24. DETAILED DESCRIPTION

[0019] like Figure 1-4 In the invention, a raw material crushing device for biomass fuel processing comprises a supporting structure 1, wherein a screening box 2 is arranged on the supporting structure 1, a discharge trough 3 is arranged at the bottom of the screening box 2, a uniform material crushing box 4 is arranged at the top of the screening box 2, a feed trough 5 is arranged at the top of the uniform material crushing box 4, a filter screen 10 is arranged in the screening box 2, and symmetrically arranged and mutually coordinated crushing rollers 7 and a uniform feeding structure are arranged in the uniform material crushing box 4, wherein one of the crushing rollers 7 is connected to the output end of a motor 8, and the motor 8 is connected to the outer wall of the uniform material crushing box 4 through a fixed seat 9, and a transmission gear 23 is arranged on the crushing roller 7 connected to the motor 8, and the transmission gear 23 is meshed with a linkage gear 24 arranged on the other crushing roller 7.

[0020] In the preferred solution, the crushing roller 7 where the transmission gear 23 is located is provided with a first transmission wheel 13, the first transmission wheel 13 cooperates with the second transmission wheel 15 through the first transmission belt 14, the second transmission wheel 15 is arranged on the first rotating shaft 16, the first rotating shaft 16 is arranged on the screening box 2, and the first rotating shaft 16 is provided with a plurality of stirring rods 17 that cooperate with the filter screen 10. The linkage cooperation further controls the crushing quality at the discharging end to be uniform and stable, and the quality of the later processing is higher.

[0021] In the preferred solution, the uniform feeding structure includes a guide ramp 11 symmetrically arranged on the inner wall of the uniform material crushing box 4, a uniform material arc plate 12 is arranged on the guide ramp 11, and a third transmission wheel 18 is arranged on the crushing roller 7 where the linkage gear 24 is located. The third transmission wheel 18 cooperates with a fourth transmission wheel 21 arranged on the second rotating shaft 20 through a second transmission belt 19. The second rotating shaft 20 is arranged on the uniform material crushing box 4, and a plurality of uniform material partitions 22 cooperating with the uniform material arc plate 12 are arranged on the second rotating shaft 20. The linkage coordination, the feed end uniformly controls the feed amount, and the intermittent equal amount of feed can not only ensure that the raw materials are not too much accumulated on the crushing structure, maintain uniform crushing quality, but also control the processing structure and stabilize the crushing process.

[0022] In the preferred solution, the screening box 2 is provided with a cleaning door 6, which is convenient for cleaning and collecting materials that do not meet the crushing standards, and can be put into crushing processing again.

[0023] In a preferred solution, the feed trough 5 is a wide-mouth feed trough, which makes feeding more convenient and avoids the situation where materials fall during automatic material transportation.

[0024] The method of using the utility model is as follows: the biomass fuel raw materials to be crushed are put into the feed trough 5 through the conveying structure, the raw materials are divided into sections by the material-leveling baffle 22, and then put into the crushing roller 7 through the interval space between the symmetrically arranged material-leveling arc plates 12 for crushing processing, and the raw materials after crushing fall onto the filter screen 10. With the cooperation of the linkage structure, the raw materials are continuously stirred and screened, and the raw materials with uniform crushing quality after screening are discharged from the discharge trough 3, and the raw materials with substandard crushing quality can be discharged and collected from the cleaning door 6, and then put into the feed trough 5 for secondary crushing again.

[0025] The beneficial effects of the utility model are as follows: the feed amount is evenly controlled at the feed end, and the feed is fed intermittently in equal amounts, which can not only ensure that the raw materials are not excessively accumulated on the crushing structure and maintain uniform crushing quality, but also control the processing structure and stabilize the crushing process; the crushed material is screened and unloaded, and stirring improves the screening efficiency. The discharging end further controls the crushing quality to be uniform and stable, and the quality of later processing is higher; the linked power transmission avoids too many power units in the device as a whole, which not only simplifies the overall structure, but also can cooperate in operation synchronously, which is convenient, fast and practical.

Claims

1. A raw material crushing device for biomass fuel processing, comprising a supporting structure (1), characterized in that: The support structure (1) is provided with a screening box (2), the bottom of the screening box (2) is provided with a discharge trough (3), the top of the screening box (2) is provided with a uniform material crushing box (4), the top of the uniform material crushing box (4) is provided with a feed trough (5), a filter screen (10) is provided in the screening box (2), and the uniform material crushing box (4) is provided with symmetrically arranged and mutually coordinated crushing rollers (7) and a uniform feeding structure, wherein one of the crushing rollers (7) is connected to the output end of the motor (8), the motor (8) is connected to the outer wall of the uniform material crushing box (4) through a fixed seat (9), and a transmission gear (23) is provided on the crushing roller (7) connected to the motor (8), and the transmission gear (23) is meshed with a linkage gear (24) provided on the other crushing roller (7).

2. The raw material crushing device for biomass fuel processing according to claim 1, characterized in that: A first transmission wheel (13) is provided on the crushing roller (7) where the transmission gear (23) is located. The first transmission wheel (13) cooperates with a second transmission wheel (15) for transmission through a first transmission belt (14). The second transmission wheel (15) is arranged on a first rotating shaft (16). The first rotating shaft (16) is arranged on a screening box (2). A plurality of stirring rods (17) cooperating with a filtering screen (10) are provided on the first rotating shaft (16).

3. The raw material crushing device for biomass fuel processing according to claim 1, characterized in that: The uniform feeding structure comprises a material guide inclined plate (11) symmetrically arranged on the inner wall of the material uniform crushing box (4), a material uniform arc plate (12) being arranged on the material guide inclined plate (11), a third transmission wheel (18) being arranged on the crushing roller (7) where the linkage gear (24) is located, the third transmission wheel (18) being transmitted in cooperation with a fourth transmission wheel (21) arranged on the second rotating shaft (20) through a second transmission belt (19), the second rotating shaft (20) being arranged on the material uniform crushing box (4), and a plurality of material uniform partitions (22) being arranged on the second rotating shaft (20) and cooperating with the material uniform arc plate (12).

4. The raw material crushing device for biomass fuel processing according to claim 1, characterized in that: The screening box (2) is provided with a material clearing door (6).

5. The raw material crushing device for biomass fuel processing according to claim 1, characterized in that: The feed trough (5) is a wide-mouth feed trough.

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