Pretreatment device for lignocellulose raw material

Abstract

The utility model relates to the technical field of lignocellulose raw material processing, and discloses a lignocellulose raw material pretreatment device which comprises a treatment tank and a motor, a stirring assembly is arranged in a cavity of the treatment tank and comprises a main shaft and a stirring rod, a raw material dispersing assembly is arranged at the top end of the main shaft, and the stirring rod is arranged on the main shaft. The raw material dispersing assembly comprises a hemispherical block, a cylinder and a discharging plate, a limiting assembly is arranged on the outer wall face of the cylinder, and the limiting assembly comprises a first circular ring and a second circular ring. A raw material dispersing assembly is arranged, after entering, raw materials are impacted by a hemispherical block and then fall onto an inclined surface of a discharging plate, the discharging plate rotates to disperse the raw materials, and the mixing effect is further improved by arranging a stirring rod and a rotating blade below the discharging plate; and by arranging the limiting assembly, the cylinder and the main shaft can be limited and fixed, the upper limit of the rotating speed of the main shaft is effectively improved, the main shaft is more stable in the rotating process, and the stability and smoothness of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lignocellulose raw material processing, in particular to a pretreatment device for lignocellulose raw materials. Background Art

[0002] The prior art discloses a pretreatment device for lignocellulosic raw materials (announcement number: CN219752820U), including a processing tank, an electrical box is provided at the bottom of the processing tank, a motor is provided inside the electrical box, a rotating column is rotatably provided inside the processing tank, the rotating column is connected to the output end of the motor, a plurality of mounting rings are provided in a linear array on the rotating column, two mounting rods are symmetrically provided on the mounting ring, a plurality of connecting rings are provided in a linear array on the mounting rod, a rotating ring is rotatably provided on the connecting ring, a plurality of rotating plates are provided in a circular array on the rotating ring, two abutment blocks are symmetrically provided on the inner side of the processing tank, and a connecting unit is provided between the abutment blocks and the mounting rods.

[0003] The prior art mixes raw materials such as cellulose by driving the mounting rod to rotate through a rotating column, and the rotating plate also rotates on its own as it rotates with the mounting rod, further improving the effect of mixing raw materials such as cellulose. However, the cellulose raw materials of the prior art enter the processing tank and are concentrated below the feed port, which may cause accumulation of raw materials, making mixing unfavorable and prolonging the mixing time. In addition, the other end of the rotating column is not limited and fixed, so that the upper limit of the rotation speed of the device is limited, the rotating column may shake, and the stability and smoothness of the device still need to be improved.

[0004] Therefore, the present application makes improvements on the prior art and proposes a pretreatment device for lignocellulosic raw materials to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a pretreatment device for lignocellulose raw materials.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pretreatment device for lignocellulosic raw materials, comprising a treatment tank and a motor, the motor being fixedly mounted at the center position of the bottom wall of the treatment tank, a stirring assembly for mixing and stirring the lignocellulosic raw materials being arranged in the cavity of the treatment tank, the stirring assembly comprising a main shaft and a stirring rod, the stirring rod being fixedly mounted on the outer wall of the main shaft, a rotating blade being movably connected to the outer wall of the main shaft, the bottom end of the main shaft movably passes through the bottom end of the treatment tank and is fixedly connected to the output shaft of the motor, a raw material dispersing assembly being arranged at the top end of the main shaft, the raw material dispersing assembly comprising a hemispherical block, a cylinder and a feed plate, the feed plate being in a truncated cone shape, the raw material slides down along the outer wall of the feed plate, the outer wall of the cylinder is provided with a limiting assembly for limiting the cylinder, the limiting assembly comprising a first circular ring and a second circular ring.

[0007] Preferably, a support column is provided at the bottom end of the processing tank, a feed port is provided at the top end of the processing tank, and a discharge port is provided at the bottom end of the outer wall of the processing tank.

[0008] Preferably, a circular groove is formed at the bottom end of the cylinder, the top end of the main shaft is fixedly installed in the circular groove, and a hemispherical block is fixedly connected to the top end of the cylinder.

[0009] Preferably, a mounting groove is provided between the top and bottom ends of the blanking plate, and the cylinder is fixed through the mounting groove and penetrates the blanking plate.

[0010] Preferably, the first ring is located in the cavity of the second ring, a connecting rod is fixedly connected between the outer wall of the first ring and the inner wall of the second ring, the outer ring diameter of the second ring is the same as the inner diameter of the processing tank, and the second ring can be horizontally engaged in the processing tank cavity.

[0011] Preferably, the first ring is sleeved on the outer wall surface of the cylinder, and a bearing is arranged between the first ring and the cylinder.

[0012] Preferably, the rotating blades are located below the edge of the blanking plate, and the rotating blades are distributed in a circular array around the main axis.

[0013] The utility model provides a pretreatment device for lignocellulose raw materials. It has the following beneficial effects:

[0014] (1) A pretreatment device for lignocellulosic raw materials. In the prior art, lignocellulosic raw materials enter the treatment tank and are concentrated below the feed port, which may cause accumulation of raw materials. In addition, the other end of the rotating column is not limited and fixed, so that the upper limit of the rotation speed of the device is limited. For this reason, the present application sets a raw material dispersion component below the feed port. After the raw materials enter, they are hit by a hemispherical block and then fall onto the inclined surface of a discharge plate. The discharge plate rotates to disperse the raw materials and let them fall. By setting a stirring rod and a rotating blade below the discharge plate, the mixing effect is further improved. By setting a limit component, the cylinder and the main shaft can be limited and fixed, which effectively increases the upper limit of the rotation speed of the main shaft. The main shaft is also more stable during rotation, thereby improving the stability and smoothness of the device.

[0015] (2) A pretreatment device for wood cellulose raw materials has a mounting groove extending through the top and bottom ends of a feed plate, and a cylinder is fixed through the mounting groove and extends through the feed plate, so that the feed plate is driven to rotate synchronously during the rotation of the cylinder. The raw materials slide down the inclined surface of the feed plate, and the feed plate rotates to disperse the raw materials, which is convenient for subsequent mixing and prevents the raw materials from piling up.

[0016] (3) A pretreatment device for lignocellulosic raw materials, wherein the first ring is sleeved on the outer wall surface of the cylinder, the first ring and the cylinder are connected by a bearing, a connecting rod is fixedly connected between the first ring and the second ring, the outer ring diameter of the second ring is the same as the inner diameter of the treatment tank, and the second ring can be horizontally engaged in the treatment tank cavity, so that during operation, the second ring and the first ring do not rotate, and the cylinder rotates with the main axis, and the second ring and the first ring play a role of limiting and fixing the cylinder and the first ring, thereby reducing the shaking of the first ring and increasing the upper limit of the rotation speed that the first ring can withstand. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of a treatment tank of a pretreatment device for lignocellulosic raw materials of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure inside the treatment tank chamber of a pretreatment device for lignocellulosic raw materials of the utility model;

[0019] Figure 3 This is a schematic diagram of the positional relationship between a raw material dispersing component and a limiting component of a pretreatment device for lignocellulose raw materials of the utility model;

[0020] Figure 4 This is an exploded diagram of the raw material dispersing component structure of a pretreatment device for lignocellulosic raw materials of the utility model;

[0021] Figure 5This is a schematic diagram of the three-dimensional structure of a limiting component of a pretreatment device for lignocellulosic raw materials according to the utility model;

[0022] Figure 6 The utility model is a schematic diagram of the connection relationship between a raw material dispersing component, a limiting component and a main shaft of a pretreatment device for lignocellulose raw materials.

[0023] Legend:

[0024] 10. Processing tank; 11. Motor; 12. Main shaft; 13. Raw material dispersing assembly; 14. Limit assembly; 15. Stirring rod; 16. Rotating blade; 17. Cylinder; 18. Hemispherical block; 19. Mounting groove; 20. First ring; 21. Second ring; 22. Connecting rod; 23. Bearing; 24. Unloading plate. DETAILED DESCRIPTION

[0025] like Figure 1-6 As shown: a pretreatment device for lignocellulose raw materials, including a treatment tank 10 and a motor 11, the motor 11 is fixedly mounted at the center of the bottom wall of the treatment tank 10, a stirring assembly for mixing and stirring the lignocellulose raw materials is arranged in the cavity of the treatment tank 10, the stirring assembly includes a main shaft 12 and a stirring rod 15, the stirring rod 15 is fixedly mounted on the outer wall of the main shaft 12, a rotating blade 16 is movably connected to the outer wall of the main shaft 12, the bottom end of the main shaft 12 movably passes through the bottom end of the treatment tank 10 and is fixedly connected to the output shaft of the motor 11, a raw material dispersing assembly 13 is arranged at the top of the main shaft 12, the raw material dispersing assembly 13 includes a hemispherical block 18, a cylinder 17 and a blanking plate 24, the blanking plate 24 is truncated cone-shaped, the raw material slides down along the outer wall of the blanking plate 24, the outer wall of the cylinder 17 is provided with a limiting assembly 14 for limiting the cylinder 17, and the limiting assembly 14 includes a first ring 20 and a second ring 21.

[0026] Specifically, in the prior art, the lignocellulosic raw materials enter the processing tank 10 and are concentrated below the feed port, which may cause accumulation of raw materials. In addition, the other end of the rotating column is not limited and fixed, so that the upper limit of the rotation speed of the device is limited. For this reason, the present application sets a raw material dispersion component 13 below the feed port. After the raw materials enter, they are hit by the hemispherical block 18 and then fall onto the inclined surface of the discharge plate 24. The discharge plate 24 rotates to disperse the raw materials and let them fall. By setting a stirring rod 15 and a rotating blade 16 below the discharge plate 24, the mixing effect is further improved. By setting the limit component 14, the cylinder 17 and the main shaft 12 can be limited and fixed, thereby effectively improving the upper limit of the rotation speed of the main shaft 12. The main shaft 12 is also more stable during rotation, thereby improving the stability and smoothness of the device.

[0027] A support column is disposed at the bottom end of the processing tank 10 , a feed port is disposed at the top end of the processing tank 10 , and a discharge port is disposed at the bottom end of the outer wall surface of the processing tank 10 .

[0028] Specifically, a support column is provided to support the processing tank 10, and the raw material enters the cavity of the processing tank 10 through the feed port.

[0029] A circular groove is formed at the bottom end of the cylinder 17 , and the top end of the main shaft 12 is fixedly installed in the circular groove. The top end of the cylinder 17 is fixedly connected with a hemispherical block 18 .

[0030] Specifically, a circular groove is provided at the bottom end of the cylinder 17, the top end of the main shaft 12 is fixedly installed in the circular groove, the cylinder 17 is fixedly connected to the hemispherical block 18, and the rotation of the main shaft 12 drives the cylinder 17 and the hemispherical block 18 to rotate.

[0031] A mounting groove 19 is formed between the top and bottom ends of the blanking plate 24 , and the cylinder 17 is fixed through the mounting groove 19 and penetrates the blanking plate 24 .

[0032] Specifically, a mounting groove 19 is provided between the top and bottom ends of the blanking plate 24, and the cylinder 17 is fixed through the mounting groove 19 and penetrates the blanking plate 24, so that the blanking plate 24 is driven to rotate synchronously during the rotation of the cylinder 17, and the raw materials slide down through the inclined surface of the blanking plate 24, and the blanking plate 24 rotates to disperse the raw materials, which is convenient for subsequent mixing and prevents the raw materials from piling up.

[0033] The first ring 20 is located in the cavity of the second ring 21. A connecting rod 22 is fixedly connected between the outer wall of the first ring 20 and the inner wall of the second ring 21. The outer diameter of the second ring 21 is the same as the inner diameter of the treatment tank 10. The second ring 21 can be horizontally engaged in the cavity of the treatment tank 10. The first ring 20 is sleeved on the outer wall of the cylinder 17. A bearing 23 is provided between the first ring 20 and the cylinder 17.

[0034] Specifically, the first ring 20 is sleeved on the outer wall surface of the cylinder 17, and the first ring 20 and the cylinder 17 are connected by a bearing 23. A connecting rod 22 is fixedly connected between the first ring 20 and the second ring 21. The outer ring diameter of the second ring 21 is the same as the inner diameter of the processing tank 10. The second ring 21 can be horizontally engaged in the cavity of the processing tank 10, so that the second ring 21 and the first ring 20 do not rotate during operation, and the cylinder 17 rotates with the main shaft 12. The second ring 21 and the first ring 20 play a role of limiting and fixing the cylinder 17 and the first ring 20, reducing the shaking of the first ring 20 and increasing the upper limit of the rotation speed that the first ring 20 can withstand.

[0035] The rotating blades 16 are located below the edge of the blanking plate 24 , and the rotating blades 16 are distributed in a circular array around the main shaft 12 .

[0036] Specifically, the rotating blades 16 are arranged below the edge of the blanking plate 24 , and the rotating blades 16 are distributed in a ring array around the main shaft 12 , so that the mixing effect of the device is better.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A pretreatment device for lignocellulosic raw materials, comprising a treatment tank (10) and a motor (11), wherein the motor (11) is fixedly mounted at the center of the bottom wall of the treatment tank (10), characterized in that: A stirring assembly for mixing and stirring the lignocellulose raw material is arranged in the cavity of the processing tank (10), the stirring assembly comprising a main shaft (12) and a stirring rod (15), the stirring rod (15) being fixedly mounted on the outer wall surface of the main shaft (12), the outer wall surface of the main shaft (12) being movably connected with a rotating blade (16), the bottom end of the main shaft (12) movably passes through the bottom end of the processing tank (10) and is fixedly connected to the output shaft of the motor (11), the top end of the main shaft (12) is provided with a raw material dispersing assembly (13), the raw material dispersing assembly (13) comprising a hemispherical block (18), a cylinder (17) and a blanking plate (24), the blanking plate (24) being in a truncated cone shape, the raw material slides down along the outer wall surface of the blanking plate (24), the outer wall surface of the cylinder (17) is provided with a limiting assembly (14) for limiting the cylinder (17), the limiting assembly (14) comprising a first circular ring (20) and a second circular ring (21).

2. The pretreatment device for lignocellulosic raw materials according to claim 1, characterized in that: The bottom end of the processing tank (10) is provided with a support column, the top end of the processing tank (10) is provided with a feed port, and the bottom end of the outer wall surface of the processing tank (10) is provided with a discharge port.

3. The pretreatment device for lignocellulosic raw materials according to claim 1, characterized in that: The bottom end of the cylinder (17) is provided with a circular groove, the top end of the main shaft (12) is fixedly installed in the circular groove, and the top end of the cylinder (17) is fixedly connected with a hemispherical block (18).

4. The pretreatment device for lignocellulosic raw materials according to claim 1, characterized in that: A mounting groove (19) is provided between the top and bottom ends of the blanking plate (24), and the cylinder (17) is fixed through the mounting groove (19) and penetrates the blanking plate (24).

5. The pretreatment device for lignocellulosic raw materials according to claim 1, characterized in that: The first circular ring (20) is located in the cavity of the second circular ring (21); a connecting rod (22) is fixedly connected between the outer wall surface of the first circular ring (20) and the inner wall surface of the second circular ring (21); the outer ring diameter of the second circular ring (21) is the same as the inner diameter of the treatment tank (10); and the second circular ring (21) can be horizontally engaged in the cavity of the treatment tank (10).

6. The pretreatment device for lignocellulosic raw materials according to claim 5, characterized in that: The first circular ring (20) is sleeved on the outer wall surface of the cylinder (17), and a bearing (23) is arranged between the first circular ring (20) and the cylinder (17).

7. The pretreatment device for lignocellulosic raw materials according to claim 1, characterized in that: The rotating blades (16) are located below the edge of the blanking plate (24), and the rotating blades (16) are distributed in a ring array around the main shaft (12).

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