Biomass pellet fuel crushing device

Abstract

The utility model provides a biomass pellet fuel smashing device, which belongs to the technical field of biomass processing equipment and comprises a smashing box, supporting legs, a feed inlet, a discharge pipe, a first motor, a rotating shaft and a smashing cutter, the supporting legs are fixedly arranged at four corners of the bottom surface of the smashing box, and the feed inlet is arranged on the left side of the upper surface of the smashing box in a penetrating manner. A discharging pipe penetrates through the center of the bottom surface of the crushing box, and a first motor is fixedly arranged in the center of the upper surface of the crushing box; the first motor drives the rotating shaft and the smashing cutter to rotate, the effect of smashing biomass raw materials is achieved, the second motor drives the cam to rotate, the cam collides with the impact plate, and the spring is matched to enable the screen to move left and right, so that the smashed biomass raw materials can penetrate through the screen conveniently and completely, and the screen can be prevented from being blocked; and when the electric telescopic rod retracts, the screen can be pulled out from the right end of the crushing box, so that the screen with different pore diameters can be conveniently replaced, and the particle size of the crushed biomass can be conveniently adjusted.

Description

Technical Field

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

[0002] Biomass mainly refers to the wood cellulose such as straw and trees other than grain and fruit in the agricultural and forestry production process (hereinafter referred to as lignin), the waste materials of agricultural and forestry processing industry, and the livestock manure and waste in the animal husbandry production process. Biomass usually needs to be crushed before burning;

[0003] The existing biomass crushing device usually has a screen fixed in the crushing device, which makes it impossible to adjust the particle size of the biomass after crushing. In addition, when the biomass is crushed, the screen is easily blocked, affecting subsequent use. Therefore, a biomass pellet fuel crushing device is designed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problems existing in the above-mentioned background technology and proposes a biomass particle fuel pulverizing device.

[0005] The technical problem to be solved by the utility model is to provide a biomass pellet fuel pulverizing device. The screen vibrates while pulverizing to ensure that completely pulverized biomass particles pass through the screen to prevent the screen from being blocked. The screen is easy to disassemble and replace with screens of different apertures to facilitate adjustment of the particle size of the pulverized biomass, and the utility model is highly practical.

[0006] The utility model provides a biomass particle fuel pulverizing device, comprising: a pulverizing box, supporting legs, a feed port, a discharge pipe, a first motor, a rotating shaft and a pulverizing knife, wherein the four corners of the bottom surface of the pulverizing box are fixedly provided with supporting legs, the left side of the upper surface of the pulverizing box is penetrated with a feed port, the center of the bottom surface of the pulverizing box is penetrated with a discharge pipe, the center of the upper surface of the pulverizing box is fixedly provided with a first motor, the output end of the first motor is fixedly provided with a rotating shaft, and the left and right side surfaces of the rotating shaft are fixedly provided with pulverizing knives, an inverted concave plate is fixedly provided on the left side of the inner surface of the pulverizing box, a spring is fixedly provided on the inner left side of the inverted concave plate, a screen is embedded on the right side of the inverted concave plate, the screen penetrates the right side surface of the pulverizing box, an impact plate is fixedly provided on the right end of the screen, a mounting plate is fixedly provided above the right side surface of the pulverizing box, an electric telescopic rod is fixedly provided on the mounting plate, a second motor is installed at the bottom of the electric telescopic rod, and a cam is fixedly provided at the output end of the second motor.

[0007] Preferably, when the electric telescopic rod is extended to the maximum length, the cam is located on the right side of the impact plate, and when the electric telescopic rod is extended to the maximum length, the horizontal height of the cam is higher than the top horizontal height of the impact plate.

[0008] Preferably, when the spring is in a naturally extended state, the screen is in the inverted concave plate, and the impact plate is attached to the cam.

[0009] Preferably, the inner bottom of the crushing box is funnel-shaped.

[0010] Preferably, the screen passes through the right end opening of the crushing box and is fixedly provided with mounting columns above and below, and a roller is rotatably provided on the mounting column via a pin shaft.

[0011] Preferably, the distance between the two rollers is equal to the thickness of the screen.

[0012] Preferably, a drying component is fixedly arranged at the inner bottom of the crushing box, and the drying component includes a fixing plate, a trapezoidal groove and an electric heating rod. The fixing plate is fixedly arranged at the inner lower part of the crushing box, and a plurality of trapezoidal grooves are opened on the upper surface of the fixing plate. The electric heating rod is fixedly arranged on the inner side of the trapezoidal groove.

[0013] Preferably, the bottom width of the trapezoidal groove is not less than the diameter of the electric heating rod.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] 1. The utility model achieves the effect of crushing the biomass raw materials by driving the rotating shaft and the crushing knife to rotate through the first motor, and drives the cam to rotate through the second motor. The cam collides with the impact plate and cooperates with the spring to move the screen left and right, which is convenient for crushing the biomass raw materials to pass through the screen and prevent the screen from being blocked. When the electric telescopic rod is retracted, the screen can be pulled out from the right end of the crushing box, which is convenient for replacing screens with different apertures, thereby facilitating the adjustment of the particle size of the crushed biomass.

[0016] 2. The utility model is provided with rollers. When the cam collides with the impact plate and the screen moves left and right in cooperation with the spring, the two rollers roll on the upper and lower surfaces of the screen, reducing the friction between the screen and the crushing box, ensuring the smoothness of the left and right movement of the screen and the service life of the screen.

[0017] 3. The utility model is provided with a drying component. When the biomass raw materials to be crushed are wet, the electric heating rod is turned on, and the crushed biomass particles fall on the fixed plate. The biomass particles are dried by the electric heating rod by passing through the trapezoidal groove. The trapezoidal groove can slow down the speed at which the biomass particles fall, thereby ensuring the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0019] Figure 1 The utility model is a schematic diagram of the overall structure section Figure 1 .

[0020] Figure 2 The utility model is a schematic diagram of the overall structure section Figure 2 .

[0021] Figure 3 For this utility model Figure 1 A is an enlarged schematic diagram of the structure.

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the drying component of the utility model.

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the drying component of the utility model.

[0024] [reference numerals]

[0025] 1. Crushing box; 2. Support legs; 3. Feed inlet; 4. Discharge pipe; 5. First motor; 6. Rotating shaft; 601. Crushing knife; 7. Inverted concave plate; 8. Spring; 9. Screen; 10. Impact plate; 11. Mounting plate; 12. Electric telescopic rod; 13. Second motor; 14. Cam; 15. Fixed plate; 1501. Trapezoidal groove; 1502. Electric heating rod; 16. Mounting column; 17. Rotating roller. DETAILED DESCRIPTION

[0026] Example:

[0027] like Figure 1-2As shown, the embodiment of the utility model provides a biomass pellet fuel pulverizing device, including: a pulverizing box 1, support legs 2, a feed port 3, a discharge pipe 4, a first motor 5, a rotating shaft 6 and a pulverizing knife 601, the four corners of the bottom surface of the pulverizing box 1 are fixedly provided with support legs 2, the left side of the upper surface of the pulverizing box 1 is penetrated with a feed port 3, the center of the bottom surface of the pulverizing box 1 is penetrated with a discharge pipe 4, the center of the upper surface of the pulverizing box 1 is fixedly provided with a first motor 5, the output end of the first motor 5 is fixedly provided with a rotating shaft 6, and the left and right side surfaces of the rotating shaft 6 are A crushing knife 601 is fixedly arranged, an inverted concave plate 7 is fixedly arranged on the left side of the inner surface of the crushing box 1, a spring 8 is fixedly arranged on the left side of the inner part of the inverted concave plate 7, a screen 9 is embedded on the right side of the inverted concave plate 7, the screen 9 runs through the right side surface of the crushing box 1, an impact plate 10 is fixedly arranged on the right end of the screen 9, a mounting plate 11 is fixedly arranged above the right side surface of the crushing box 1, an electric telescopic rod 12 is fixedly arranged on the mounting plate 11, a second motor 13 is installed at the bottom of the electric telescopic rod 12, and a cam 14 is fixedly arranged at the output end of the second motor 13.

[0028] In actual use, the biomass raw materials to be crushed are added into the crushing box 1 through the feed port, the biomass raw materials fall on the screen 9, the first motor 5 is turned on, the first motor 5 drives the rotating shaft 6 and the crushing knife 601 to rotate, the crushing knife 601 crushes the biomass raw materials, and the crushed biomass particles pass through the screen 9 and are discharged from the discharge pipe 4 to achieve the crushing effect, and by turning on the second motor 13, the second motor 13 drives the cam 14 to rotate, the cam 14 collides with the impact plate 10, and cooperates with the spring 8 to make the screen 9 move left and right, so that the completely crushed biomass raw materials pass through the screen 9, and the screen 9 can be prevented from being blocked to ensure the crushing effect, and when it is necessary to adjust the particle size of the crushed biomass, the electric telescopic rod 12 is contracted to drive the second motor 13 and the cam 14 to move upward, and the screen 9 is pulled out to the right, and then the screen 9 with different apertures is replaced to achieve the effect of adjusting the particle size of the crushed biomass.

[0029] In this embodiment, when the electric telescopic rod 12 is extended to the maximum length, the cam 14 is located on the right side of the impact plate 10. When the electric telescopic rod 12 is extended to the maximum length, the horizontal height of the cam 14 is higher than the top horizontal height of the impact plate 10, which facilitates the screen 9 to be pulled out from the right end of the crushing box 1 and the replacement of screens 9 with different apertures.

[0030] In this embodiment, when the spring 8 is in a naturally extended state, the screen 9 is in the inverted concave plate 7, and the impact plate 10 is attached to the cam 14, ensuring that the screen 9 is in the inverted concave plate 7, and the rotation of the cam 14 in conjunction with the spring 8 can move the screen 9 left and right.

[0031] In this embodiment, the inner bottom of the crushing box 1 is funnel-shaped, which facilitates the discharge of the crushed biomass particles from the discharge pipe.

[0032] In this embodiment, refer to Figure 3 As shown, the screen 9 passes through the right end opening of the crushing box 1, and mounting posts 16 are fixedly arranged above and below, and a roller 17 is rotatably arranged on the mounting post 16 via a pin shaft.

[0033] In this embodiment, the distance between the two rollers 17 is equal to the thickness of the screen 9 , so that the screen 9 can be stably placed between the two rollers 17 .

[0034] By providing the rollers 17, when the cam 14 collides with the impact plate 10 and cooperates with the spring 8 to make the screen 9 move left and right, the two rollers 17 roll on the upper and lower surfaces of the screen 9, reducing the friction between the screen 9 and the crushing box 1, ensuring the smoothness of the left and right movement of the screen 9 and ensuring the service life of the screen 9.

[0035] In this embodiment, refer to Figure 1 , Figure 4 and Figure 5 As shown, a drying component is fixedly arranged at the inner bottom of the crushing box 1, and the drying component includes a fixing plate 15, a trapezoidal groove 1501 and an electric heating rod 1502. The fixing plate 15 is fixedly arranged at the inner bottom of the crushing box 1, and a plurality of trapezoidal grooves 1501 are opened on the upper surface of the fixing plate 15, and an electric heating rod 1502 is fixedly arranged on the inner side of the trapezoidal groove 1501.

[0036] In this embodiment, the bottom width of the trapezoidal groove 1501 is not less than the diameter of the electric heating rod 1502 to prevent the electric heating rod 1502 from blocking the trapezoidal groove 1501 .

[0037] By providing a drying component, when the biomass raw material to be crushed is wet, the electric heating rod 1502 is turned on, and the crushed biomass particles fall onto the fixed plate 15, and pass through the trapezoidal groove 1501. The electric heating rod 1502 dries the biomass particles, and the trapezoidal groove 1501 can slow down the speed at which the biomass particles fall, thereby ensuring the drying effect.

Claims

1. A biomass pellet fuel pulverizing device, Features: include: A crushing box (1), a supporting leg (2), a feed port (3), a discharge pipe (4), a first motor (5), a rotating shaft (6) and a crushing knife (601), wherein the four corners of the bottom surface of the crushing box (1) are fixedly provided with supporting legs (2), the left side of the upper surface of the crushing box (1) is provided with a feed port (3), the center of the bottom surface of the crushing box (1) is provided with a discharge pipe (4), the center of the upper surface of the crushing box (1) is fixedly provided with a first motor (5), the output end of the first motor (5) is fixedly provided with a rotating shaft (6), the left and right side surfaces of the rotating shaft (6) are fixedly provided with crushing knives (601), and the crushing box ( A concave plate (7) is fixedly arranged on the left side of the inner surface of the crushing box (1), a spring (8) is fixedly arranged on the inner left side of the concave plate (7), a screen (9) is embedded on the right side of the concave plate (7), the screen (9) passes through the right side surface of the crushing box (1), an impact plate (10) is fixedly arranged on the right end of the screen (9), a mounting plate (11) is fixedly arranged above the right side surface of the crushing box (1), an electric telescopic rod (12) is fixedly arranged on the mounting plate (11), a second motor (13) is installed at the bottom of the electric telescopic rod (12), and a cam (14) is fixedly arranged at the output end of the second motor (13).

2. The biomass pellet fuel pulverizing device according to claim 1, Features: When the electric telescopic rod (12) is extended to its maximum length, the cam (14) is located directly to the right of the impact plate (10); when the electric telescopic rod (12) is extended to its maximum length, the horizontal height of the cam (14) is higher than the horizontal height of the top of the impact plate (10).

3. The biomass pellet fuel pulverizing device according to claim 2, Features: When the spring (8) is in a naturally stretched state, the screen (9) is located in the concave plate (7), and the impact plate (10) is attached to the cam (14).

4. The biomass pellet fuel pulverizing device according to claim 3, Features: The inner bottom of the crushing box (1) is funnel-shaped.

5. The biomass pellet fuel pulverizing device according to claim 4, Features: The screen (9) passes through the right end opening of the crushing box (1) and is fixedly provided with mounting posts (16) above and below. A roller (17) is rotatably provided on the mounting post (16) via a pin shaft.

6. The biomass pellet fuel pulverizing device according to claim 5, Features: The distance between the two rotating rollers (17) is equal to the thickness of the screen (9).

7. The biomass pellet fuel pulverizing device according to claim 1, Features: A drying component is fixedly arranged at the bottom of the inner side of the crushing box (1), and the drying component comprises a fixing plate (15), a trapezoidal groove (1501) and an electric heating rod (1502). The fixing plate (15) is fixedly arranged at the lower inner side of the crushing box (1), a plurality of trapezoidal grooves (1501) are formed on the upper surface of the fixing plate (15), and an electric heating rod (1502) is fixedly arranged inside the trapezoidal groove (1501).

8. The biomass pellet fuel pulverizing device according to claim 7, Features: The bottom width of the trapezoidal groove (1501) is not less than the diameter of the electric heating rod (1502).

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