Biomass fuel preparation pretreatment device

Abstract

The utility model discloses a biomass fuel preparation pretreatment device which comprises a machine frame and a smashing shell installed at the upper end of the machine frame, a feeding mechanism is connected to the left side of the upper end of the smashing shell, and a smashing mechanism is arranged in the smashing shell. The crushing mechanism comprises a driving motor, a crushing roller, an arc-shaped screen, a fan shell, a rotating shaft, a plurality of fan blades, an air outlet and an impurity screen plate; the feeding mechanism comprises a stainless steel mesh belt conveyor, a group of baffles, a rotating motor, a rotating shaft, a group of cams, a fixed plate, a group of sliding rods, a shearing blade and a feeding roller. The biomass fuel raw material crushing and drying device has the advantages that the stainless steel mesh belt conveyor drives biomass fuel raw materials to be intermittently conveyed and is matched with the reciprocating lifting motion of the shearing blades to shear the raw materials, the crushing mechanism can crush and dry the raw materials, and the crushed raw materials can be subjected to impurity removal treatment through the impurity screen plate and the fan blades.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass fuel preparation, in particular to a biomass fuel preparation pretreatment device. Background Art

[0002] Biomass fuel refers to the burning of biomass materials, typically agricultural and forestry waste, as fuel. This differs primarily from fossil fuels. The primary application of biomass fuel is biomass pellet fuel, a new type of clean fuel that uses agricultural and forestry waste as raw material and, through processes such as crushing, mixing, extrusion, and drying, produces various shapes (such as blocks and pellets) that can be burned directly.

[0003] The existing patent application number is CN 202020172640.1, which discloses a biomass raw material pretreatment device. It uses a set of pulverizing wheels that rotate relative to each other and cooperate with a dryer on a limit plate to achieve the pulverization and drying of the biomass raw materials. However, most biomass raw materials are agricultural and forestry waste such as straw, which is prone to clogging during the feeding process. In addition, the biomass raw materials contain a large amount of impurities, which affect subsequent recycling without screening.

[0004] It should be noted that the above content falls within the technical knowledge of the inventor and does not necessarily constitute prior art. Utility Model Content

[0005] In view of the above defects, the present invention provides a biomass fuel preparation pretreatment device to solve the problem of pretreatment of raw materials for biomass fuel preparation.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A biomass fuel preparation and pretreatment device comprises a frame and a crushing shell mounted on the upper end of the frame, wherein the upper left end of the crushing shell is connected to a feeding mechanism, and a crushing mechanism is arranged inside the crushing shell;

[0008] The crushing mechanism includes a driving motor, a crushing roller, an arc-shaped screen, a fan housing, a rotating shaft, a plurality of fan blades, an air outlet and an impurity screen plate. The driving motor is horizontally installed at the front end of the crushing shell, the crushing roller is movably inserted in the crushing shell, and the front end is connected to the rotating end of the driving motor, the arc-shaped screen is installed at the bottom of the crushing shell, the fan housing is installed on the left side of the frame, the rotating shaft is movably inserted in the fan housing, a plurality of fan blades are evenly installed on the rotating shaft, the air outlet is opened on the right side of the fan housing, and the impurity screen plate is obliquely installed at the bottom of the frame.

[0009] Furthermore, the feeding mechanism includes a stainless steel mesh belt conveyor, a group of baffles, a rotating motor, a rotating shaft, a group of cams, a fixed plate, a group of sliding rods, a shearing blade and a feeding roller. The stainless steel mesh belt conveyor is installed on the left side of the frame, a group of baffles is installed on the left side of the stainless steel mesh belt conveyor, the rotating motor is horizontally installed at the front end of a group of baffles, the rotating shaft is movably inserted between a group of baffles, and the front end is connected to the rotating end of the rotating motor, a group of cams is installed on both sides of the rotating shaft, the fixed plate is installed on the left side of the stainless steel mesh belt conveyor, a group of sliding rods are movably inserted on both sides of the fixed plate, the shearing blade is installed at the bottom of a group of sliding rods, and the feeding roller is movably installed on the left side of the upper end of the crushing shell.

[0010] Furthermore, a set of outer surfaces of the upper ends of the sliding rods are respectively sleeved with springs.

[0011] Furthermore, a transmission shaft is installed on the left side of the front end of the stainless steel mesh belt conveyor. The transmission shaft and the rotating shaft are connected through a set of transmission gear sets, and the transmission shaft and the driving roller of the stainless steel mesh belt conveyor are connected through an intermittent gear set.

[0012] Furthermore, the rotating end of the driving motor is connected to the rotating shaft and the feeding roller through a transmission belt.

[0013] Furthermore, an electric heating plate is installed on the top of the crushing shell.

[0014] The utility model provides a biomass fuel preparation pretreatment device with the following beneficial effects: a feeding mechanism is connected to the left side of the upper end of the crushing shell, and a stainless steel mesh belt conveyor is used to drive the biomass fuel raw materials for intermittent transportation. At the same time, the shear blade is coordinated with the reciprocating lifting and lowering movement to shear the raw materials, which is convenient for subsequent crushing processing;

[0015] The crushing mechanism uses a feeding roller to evenly feed the sheared raw materials into the crushing shell. The crushing roller can crush the raw materials, and the electric heating plate realizes drying and heating treatment. The crushed raw materials fall on the impurity screen plate. With the help of the fan blades, the lighter raw materials are blown off, and the heavier impurities are discharged through the bottom of the impurity screen plate to achieve impurity removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of a biomass fuel preparation pretreatment device described in the present invention.

[0017] Figure 2 This is a schematic diagram of the stainless steel mesh belt conveyor described in the present invention.

[0018] Figure 3 This is a cross-sectional view of the stainless steel mesh belt conveyor described in the present invention.

[0019] Figure 4 This is a cross-sectional view of the fan casing of the present invention.

[0020] Figure 5 This is an appearance diagram of a biomass fuel preparation pretreatment device described in the present utility model.

[0021] In the figure: 1. Frame; 2. Crushing shell; 3. Driving motor; 4. Crushing roller; 5. Curved screen; 6. Fan housing; 7. Rotating shaft; 8. Fan blades; 9. Air outlet; 10. Impurity screen plate; 11. Stainless steel mesh belt conveyor; 12. Baffle; 13. Rotating motor; 14. Rotating shaft; 15. Cam; 16. Fixed plate; 17. Sliding rod; 18. Shear blade; 19. Feeding roller; 20. Spring; 21. Drive shaft; 22. Drive gear set; 23. Intermittent gear set; 24. Drive belt; 25. Electric heating plate. DETAILED DESCRIPTION

[0022] The present invention will be described in detail below with reference to the accompanying drawings. Figure 1-5As shown: A biomass fuel preparation and pretreatment device, including a frame 1 and a crushing shell 2 installed at the upper end of the frame 1, the left side of the upper end of the crushing shell 2 is connected to a feeding mechanism, and a crushing mechanism is provided in the crushing shell 2; the crushing mechanism includes a drive motor 3, a crushing roller 4, an arc screen 5, a fan housing 6, a rotating shaft 7, a plurality of fan blades 8, an air outlet 9 and an impurity screen plate 10, the drive motor 3 is horizontally installed at the front end of the crushing shell 2, the crushing roller 4 is movably inserted in the crushing shell 2, and the front end is connected to the rotating end of the drive motor 3, the arc screen 5 Installed at the bottom of the crushing shell 2, the fan housing 6 is installed on the left side of the frame 1, the rotating shaft 7 is movably inserted in the fan housing 6, and a number of fan blades 8 are evenly installed on the rotating shaft 7. The air outlet 9 is opened on the right side of the fan housing 6, and the impurity screen plate 10 is tilted and installed at the bottom of the frame 1; the feeding mechanism includes a stainless steel mesh belt conveyor 11, a group of baffles 12, a rotating motor 13, a rotating shaft 14, a group of cams 15, a fixed plate 16, a group of sliding rods 17, a shear blade 18 and a feeding roller 19, the stainless steel mesh belt conveyor 1 1 is installed on the left side of the frame 1, a group of baffles 12 are installed on the left side of the stainless steel mesh belt conveyor 11, the rotating motor 13 is horizontally installed at the front end of a group of baffles 12, the rotating shaft 14 is movably inserted between a group of baffles 12, and the front end is connected to the rotating end of the rotating motor 13, a group of cams 15 are installed on both sides of the rotating shaft 14, the fixed plate 16 is installed on the left side of the stainless steel mesh belt conveyor 11, a group of sliding rods 17 are movably inserted on both sides of the fixed plate 16, the shear blade 18 is installed at the bottom of a group of sliding rods 17, the feeding roller 1 9 is movably mounted on the left side of the upper end of the crushing shell 2; the outer surfaces of the upper ends of a group of sliding rods 17 are respectively covered with springs 20; a transmission shaft 21 is installed on the left side of the front end of the stainless steel mesh belt conveyor 11, and the transmission shaft 21 and the rotating shaft 14 are connected by a group of transmission gear sets 22, and the transmission shaft 21 and the driving roller of the stainless steel mesh belt conveyor 11 are connected by an intermittent gear set 23; the rotating end of the drive motor 3 is connected to the rotating shaft 7 and the feeding roller 19 by a transmission belt 24; an electric heating plate 25 is installed on the top of the crushing shell 2.

[0023] The working principle of this embodiment: The electrical equipment used in the device is controlled by an external controller. A stainless steel mesh belt is installed in the stainless steel mesh belt conveyor 11. When in use, the user first puts the pre-treated biomass fuel raw material on the left side of the stainless steel mesh belt;

[0024] During feeding: the stainless steel mesh belt conveyor 11 is installed on the left side of the frame 1, a group of baffles 12 are installed on the left side of the stainless steel mesh belt conveyor 11, the rotating motor 13 is horizontally installed at the front end of a group of baffles 12, the rotating shaft 14 is movably inserted between a group of baffles 12 through a fastening bearing, and the front end is connected to the rotating end of the rotating motor 13, a group of cams 15 are installed on both sides of the rotating shaft 14, the fixed plate 16 is installed on the left side of the stainless steel mesh belt conveyor 11, a group of sliding rods 17 are movably inserted on both sides of the fixed plate 16, the shear blade 18 is installed at the bottom of a group of sliding rods 17, the feeding roller 19 is movably installed on the left side of the upper end of the crushing shell 2 through a fastening bearing, and the outer surfaces of the upper ends of a group of sliding rods 17 are respectively provided with springs 20, and a transmission shaft 21 is movably installed on the left side of the front end of the stainless steel mesh belt conveyor 11. The transmission shaft 21 and the rotating shaft 14 are connected by a group of transmission gear sets 22, and the transmission shaft 21 and the driving roller of the stainless steel mesh belt conveyor 11 are connected by an intermittent gear set 23, such as Figure 2 and Figure 3 As shown, the rotating motor 13 first drives the rotating shaft 14 to rotate, and drives the stainless steel mesh belt to intermittently transport the raw materials through a set of transmission gear sets 22, transmission shafts 21 and intermittent gear sets 23. At the same time, the rotating shaft 14 drives the shear blade 18 to move back and forth through a set of cams 15 and a set of sliding rods 17 to achieve shearing of the raw materials, which is convenient for subsequent crushing. The spring 20 plays a role in resetting the set of sliding rods 17.

[0025] During crushing: the driving motor 3 is horizontally installed at the front end of the crushing shell 2, the crushing roller 4 is movably inserted in the crushing shell 2 through a fastening bearing, and the front end is connected to the rotating end of the driving motor 3, the arc screen 5 is installed at the bottom of the crushing shell 2, the fan shell 6 is installed on the left side of the frame 1, the rotating shaft 7 is movably inserted in the fan shell 6 through a fastening bearing, a number of fan blades 8 are evenly installed on the rotating shaft 7, the air outlet 9 is opened on the right side of the fan shell 6, the impurity screen plate 10 is tilted and installed at the bottom of the frame 1, the rotating end of the driving motor 3 is connected to the rotating shaft 7 and the feeding roller 19 through a transmission belt 24, and an electric heating plate 25 is installed on the top of the crushing shell 2, such as Figure 4 and Figure 5 As shown, the crushing roller 4, the rotating shaft 7 and the feeding roller 19 rotate evenly counterclockwise, the feeding roller 19 feeds the sheared biomass fuel evenly into the crushing shell 2, the crushing roller 4 can crush the biomass fuel, and the electric heating plate 25 realizes the drying and heating treatment of the raw materials. The crushed raw materials are screened by the arc screen 5 and fall on the impurity screen plate 10. The rotating shaft 7 drives several fan blades 8 to rotate, blowing off the lighter raw materials, and the heavier impurities are discharged through the bottom of the impurity screen plate 10 to achieve impurity removal.

[0026] The above technical solutions only reflect the preferred technical solutions of the present utility model. Any changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present utility model and fall within the scope of protection of the present utility model.

Claims

1. A biomass fuel preparation and pretreatment device, comprising a frame (1) and a crushing shell (2) mounted on the upper end of the frame (1), characterized in that: The left side of the upper end of the crushing shell (2) is connected to a feeding mechanism, and a crushing mechanism is provided inside the crushing shell (2); The crushing mechanism comprises a driving motor (3), a crushing roller (4), an arc-shaped screen (5), a fan housing (6), a rotating shaft (7), a plurality of fan blades (8), an air outlet (9) and an impurity screen plate (10), wherein the driving motor (3) is horizontally mounted at the front end of the crushing housing (2), the crushing roller (4) is movably inserted in the crushing housing (2), and the front end is connected to the rotating end of the driving motor (3), the arc-shaped screen (5) is mounted at the bottom of the crushing housing (2), the fan housing (6) is mounted on the left side of the frame (1), the rotating shaft (7) is movably inserted in the fan housing (6), a plurality of fan blades (8) are evenly mounted on the rotating shaft (7), the air outlet (9) is opened on the right side of the fan housing (6), and the impurity screen plate (10) is tiltedly mounted at the bottom of the frame (1).

2. A biomass fuel preparation pretreatment device according to claim 1, characterized in that: The feeding mechanism comprises a stainless steel mesh belt conveyor (11), a set of baffles (12), a rotating motor (13), a rotating shaft (14), a set of cams (15), a fixed plate (16), a set of sliding rods (17), a shearing blade (18) and a feeding roller (19), wherein the stainless steel mesh belt conveyor (11) is mounted on the left side of the frame (1), the set of baffles (12) is mounted on the left side of the stainless steel mesh belt conveyor (11), and the rotating motor (13) is horizontally mounted at the front end of the set of baffles (12). The rotating shaft (14) is movably inserted between a group of baffles (12), and the front end is connected to the rotating end of the rotating motor (13). A group of cams (15) are installed on both sides of the rotating shaft (14). The fixed plate (16) is installed on the left side of the stainless steel mesh belt conveyor (11). A group of sliding rods (17) are movably inserted on both sides of the fixed plate (16). The shearing blade (18) is installed at the bottom of the group of sliding rods (17). The feeding roller (19) is movably installed on the left side of the upper end of the crushing shell (2).

3. A biomass fuel preparation pretreatment device according to claim 2, characterized in that: The outer surfaces of the upper ends of a group of sliding rods (17) are respectively sleeved with springs (20).

4. A biomass fuel preparation pretreatment device according to claim 2, characterized in that: A transmission shaft (21) is installed on the left side of the front end of the stainless steel mesh belt conveyor (11). The transmission shaft (21) is connected to the rotating shaft (14) through a group of transmission gear sets (22). The transmission shaft (21) is connected to the driving roller of the stainless steel mesh belt conveyor (11) through an intermittent gear set (23).

5. The biomass fuel preparation pretreatment device according to claim 1, characterized in that: The rotating end of the driving motor (3) is connected to the rotating shaft (7) and the feeding roller (19) via a transmission belt (24).

6. The biomass fuel preparation pretreatment device according to claim 1, characterized in that: An electric heating plate (25) is installed on the top of the pulverizing shell (2).

Images