Efficient alkali method lignin fiber particle preparation device
The screening and cutting devices of the high-efficiency alkali process lignin fiber particle preparation equipment have solved the problem of particle inhomogeneity, improved product quality and equipment lifespan, and reduced processing difficulty and waste generation.
Patent Information
- Application Number
- CN202520093718.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing particle preparation equipment produces particles of inconsistent size during the preparation process, leading to problems such as unstable product quality, increased processing difficulty, accelerated equipment wear, and increased waste.
The high-efficiency alkaline lignin fiber particle preparation device uses a motor-driven stirring and transmission component, combined with a screen and cutting blade, to screen and cut lignin fiber particles, ensuring particle uniformity, and a cleaning component to keep the equipment clean.
This process achieves uniform particle classification, improves product quality stability and production efficiency, reduces equipment wear and waste generation, and ensures consistent processing performance and resource utilization.
Smart Images

Figure CN223788470U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of particle preparation technology, and in particular to a high-efficiency alkali-process lignin fiber particle preparation device. Background Technology
[0002] The high-efficiency alkaline lignin fiber particle preparation device is an equipment used to produce lignin fiber particles. It utilizes an alkaline solution to treat lignin raw materials, decomposing the lignin into fibrous particles. Through specific process parameters and equipment design, this device achieves highly efficient lignin fiber particle preparation and is widely used in the paper industry, biomass energy production, and other fields, featuring improved production efficiency, optimized product quality, and energy cost savings.
[0003] In existing technologies, some particle preparation devices typically prepare particles through extrusion, cutting, or other methods. However, the particles produced during particle preparation can vary in size, leading to unstable product quality, increased processing difficulty, inconsistent product performance, accelerated equipment wear, and increased waste generation. To address these issues, a high-efficiency alkali-process lignin fiber particle preparation device is proposed. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides a high-efficiency alkali-process lignin fiber particle preparation device, which aims to improve the problem that the existing technology cannot screen lignin fiber particles.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A high-efficiency alkali-process lignin fiber particle preparation device includes a housing. A stirring tank is fixedly connected to the inner wall of the top left side of the housing. A stirring assembly is fixedly connected to the top of the stirring tank. A cleaning assembly is fixedly connected to one end of the stirring assembly. A rotating rod is fixedly connected to the bottom of the stirring assembly. A transmission assembly is fixedly connected to the bottom of the rotating rod. A cutting barrel is rotatably connected to the outside of the transmission assembly. An elliptical ring is fixedly connected to the outside of the transmission assembly. Multiple cutting blades are fixedly connected to the outside of the transmission assembly. A connecting rod is slidably connected to the inner wall of the elliptical ring. A fixing block is fixedly connected to the bottom of the connecting rod. Multiple telescopic rods are fixedly connected to the inner wall of the bottom of the fixing block. A spring is sleeved on the outside of the telescopic rod. An impact block is fixedly connected to the top of the multiple telescopic rods. A screen is slidably connected inside the cutting barrel. A motor is fixedly connected to the inner wall of the bottom right side of the housing. A conveying assembly is fixedly connected to the drive end of the motor. A discharge port is fixedly connected to the bottom front side of the housing. A feed port is fixedly connected to the top of the housing.
[0007] As a further description of the above technical solution:
[0008] The stirring assembly includes a motor, the bottom of which is fixedly connected to the top of the stirring tank. A stirring rod is fixedly connected to the drive end of the motor. Multiple stirring blades are fixedly connected to the outside of the stirring rod. Movable rods are fixedly connected to both sides of the stirring rod. The bottom of the stirring rod is fixedly connected to the top of the rotating rod.
[0009] As a further description of the above technical solution:
[0010] The cleaning assembly includes a movable plate, one side of which is fixedly connected to one end of a movable rod. Fixed rods are fixedly connected to the inner walls of the upper and lower sides of the movable plate. A spring is sleeved on the outside of the fixed rod. Sliding blocks are slidably connected to the outside of both the upper and lower ends of the fixed rod. A rotating rod is rotatably connected to one side of the sliding block. A scraper is rotatably connected to one end of each of the two rotating rods.
[0011] As a further description of the above technical solution:
[0012] The transmission assembly includes a drive wheel, the top of which is fixedly connected to the bottom of the first rotating rod. A driven wheel is rotatably connected to the bottom of the housing. A belt is externally coupled to the driven wheel. A second rotating rod is fixedly connected to the top of the driven wheel. The outer side of the second rotating rod is rotatably connected to the bottom inner wall of the cutting barrel. A shell is fixedly connected to the bottom inner wall of the cutting barrel. A drive bevel gear is rotatably connected to the bottom inner wall of the shell. A second rotating rod is rotatably connected to the left inner wall of the cutting barrel. A driven bevel gear is fixedly connected to the right end of the second rotating rod. The driven bevel gear and the drive bevel gear are meshed. The inner wall of the elliptical ring is fixedly connected to the outside of the second rotating rod. One side of each of the multiple cutting blades is fixedly connected to the outside of the second rotating rod.
[0013] As a further description of the above technical solution:
[0014] The conveying assembly includes an auger, the bottom of which is fixedly connected to the drive end of the second motor. A conveying pipe is fixedly connected to the top right side of the cutting barrel, and a feed pipe is fixedly connected to the bottom inner wall of the left side of the conveying pipe.
[0015] As a further description of the above technical solution:
[0016] One side of the sliding block is slidably connected to the inner wall of one side of the moving plate, and the inner walls of the two scrapers are in contact with the inner wall of the mixing tank.
[0017] As a further description of the above technical solution:
[0018] One end of the second spring is fixedly connected to the inner wall of one side of the fixed block, and the other end of the second spring is fixedly connected to one side of the impact block.
[0019] As a further description of the above technical solution:
[0020] A feed inlet is fixedly connected to the top left side of the mixing tank, and a valve is fixedly connected to the bottom left side of the mixing tank. The outer part of the rotating rod is rotatably connected to the inner wall of the bottom of the mixing tank.
[0021] This utility model has the following beneficial effects:
[0022] 1. In this utility model, by starting motor one, motor one drives the active bevel gear, the active bevel gear drives the driven bevel gear, the driven bevel gear drives the rotating rod two, the elliptical ring drives the connecting rod, the connecting rod drives the fixed block, and the fixed block drives the impact block to strike the screen, thereby realizing the screening of shredded raw materials. It can classify particles according to a certain size range, making the particle size of the product more uniform, which helps to improve the operability and processing performance of the product, increase production efficiency and resource utilization, and at the same time, it has the disadvantages of stable product quality, reduced processing difficulty, consistent product performance, reduced equipment wear and reduced waste generation.
[0023] 2. In this utility model, by starting motor one, motor one drives the stirring rod, the stirring rod drives the moving rod, the moving rod drives the moving plate, and the moving plate drives the scraper, thus cleaning the inner wall of the mixing tank, effectively removing these deposits and contaminants, keeping the production equipment clean and hygienic, effectively preventing corrosion and wear, extending the service life of the equipment, and effectively avoiding cross-contamination, ensuring the stability of product quality. Attached Figure Description
[0024] Figure 1 This is a three-dimensional schematic diagram of the high-efficiency alkali-process lignin fiber particle preparation device proposed in this utility model.
[0025] Figure 2 This is a schematic diagram of the stirring rod of the high-efficiency alkali-process lignin fiber particle preparation device proposed in this utility model.
[0026] Figure 3 This is a schematic diagram of the sliding block of the high-efficiency alkali-process lignin fiber particle preparation device proposed in this utility model.
[0027] Figure 4 This is a schematic diagram of the sieve structure of the high-efficiency alkali-process lignin fiber particle preparation device proposed in this utility model.
[0028] Figure 5 This is a schematic diagram of the telescopic rod of the high-efficiency alkali-process lignin fiber particle preparation device proposed in this utility model.
[0029] Figure 6 This is a schematic diagram of the active bevel gear in the high-efficiency alkali-process lignin fiber particle preparation device proposed in this utility model.
[0030] Legend:
[0031] 1. Box body; 2. Mixing tank; 3. Motor 1; 4. Mixing rod; 5. Mixing blade; 6. Moving rod; 7. Moving plate; 8. Fixed rod; 9. Spring 1; 10. Sliding block; 11. Rotating rod 1; 12. Scraper; 13. Valve; 14. Rotating rod 1; 15. Driving wheel; 16. Driven wheel; 17. Belt; 18. Rotating rod 2; 19. Outer shell; 20. Driving bevel gear; 21. Rotating rod 2; 22. Driven bevel gear; 23. Elliptical ring; 24. Connecting rod; 25. Fixed block; 26. Telescopic rod; 27. Spring 2; 28. Impact block; 29. Screen; 30. Cutting blade; 31. Motor 2; 32. Screwdriver; 33. Conveying pipe; 34. Feed pipe; 35. Discharge port; 36. Cutting tank. Detailed Implementation
[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0033] Reference Figure 1 , Figure 2 and Figure 4This utility model provides an embodiment of a high-efficiency alkali-process lignin fiber particle preparation device, which includes a box body 1. A stirring tank 2 is fixedly connected to the inner wall of the top left side of the box body 1. The stirring tank 2 serves as the main container for mixing and stirring raw materials. Its position design allows the operator to operate and monitor it conveniently. The fixed connection of the stirring tank 2 ensures its stability during the preparation process and avoids unnecessary vibration caused by movement. A stirring component is fixedly connected to the top of the stirring tank 2. The stirring component is the key component for realizing the mixing and stirring of lignin fiber particles. Its position is set at the top of the mixing tank 2, which facilitates the complete placement of the mixing component into the mixing tank 2, ensuring thorough mixing and stirring effect. The bottom of the mixing component is fixedly connected to a rotating rod 14, which serves as a support and transmission device for the mixing component. It achieves the stirring motion through connection with the motor 3. Its structural design aims to provide sufficient stable support and effectively transmit the power of the motor to the mixing component to ensure the smooth progress of the stirring process. The mixing component includes the motor 3, the bottom of which is fixedly connected to the top of the mixing tank 2. The drive end of the motor 3 is fixedly connected to a stirring rod 4, and multiple stirring blades 5 are fixedly connected to the outside of the stirring rod 4. Moving rods 6 are fixedly connected to both sides of the stirring rod 4, and the bottom of the stirring rod 4 is fixedly connected to the top of the rotating rod 14. A cleaning component is fixedly connected to one end of the mixing component. The function of the cleaning component is to clean the mixing tank 2 and the mixing component, keeping the equipment hygienic and the production environment clean. Its fixed connection ensures the efficient execution of the cleaning process and provides good operating conditions for the next round of preparation.
[0034] Reference Figure 3 , Figure 4 and Figure 6 The cleaning assembly includes a movable plate 7, one side of which is fixedly connected to one end of a movable rod 6. Fixed rods 8 are fixedly connected to the inner walls of the upper and lower sides of the movable plate 7. A spring 9 is sleeved on the outside of the fixed rod 8. The function of the spring 9 is to provide appropriate rebound force when the movable plate 7 moves. Sliding blocks 10 are slidably connected to the outside of both the upper and lower ends of the fixed rod 8. A rotating rod 11 is rotatably connected to one side of the sliding block 10. A scraper 12 is rotatably connected to one end of the two rotating rods 11. The shape and material design of the scraper 12 are designed to ensure that it can effectively scrape off the residue on the surface of the mixing tank 2 and the mixing assembly, keeping the equipment clean and hygienic. A transmission assembly is fixedly connected to the bottom of the rotating rod 14. A cutting tank 36 is rotatably connected to the outside of the transmission assembly. An elliptical ring 23 is fixedly connected to the outside of the transmission assembly. Multiple cutting blades 30 are fixedly connected to the outside of the transmission assembly for chopping raw materials.
[0035] The transmission assembly includes a drive wheel 15, the top of which is fixedly connected to the bottom of a rotating rod 14. A driven wheel 16 is rotatably connected to the bottom of the housing 1. A belt 17 externally couples the driven wheel 16 to the drive wheel 15. This design effectively transmits the motion of the drive wheel 15 to the driven wheel 16, thereby driving the entire transmission system. A rotating rod 18 is fixedly connected to the top of the driven wheel 16. The rotating rod 18 is rotatably connected to the bottom inner wall of the cutting barrel 36. The bottom inner wall of the cutting barrel 36 is fixedly connected to the drive wheel 15. The outer casing 19 is connected to the transmission components, which effectively encloses the transmission system inside and protects it from external interference and damage. The bottom inner wall of the outer casing 19 is rotatably connected to the driving bevel gear 20, and the left inner wall of the cutting barrel 36 is rotatably connected to the rotating rod 21. The right end of the rotating rod 21 is fixedly connected to the driven bevel gear 22. The driven bevel gear 22 and the driving bevel gear 20 are meshed. This meshing connection ensures the normal operation of the transmission system and enables energy to be effectively transferred to the next stage of transmission components.
[0036] Reference Figure 1 , Figure 4 and Figure 5 The inner wall of the elliptical ring 23 is fixedly connected to the outside of the rotating rod 21. One side of the multiple cutting blades 30 is fixedly connected to the outside of the rotating rod 28. The fixed installation of these cutting blades 30 on the rotating rod provides stable support and force for the cutting process, enabling it to effectively perform the cutting operation. The inner wall of the elliptical ring 23 is slidably connected to the connecting rod 24. The bottom of the connecting rod 24 is fixedly connected to the fixing block 25. The bottom inner wall of the fixing block 25 is fixedly connected to multiple telescopic rods 26. The outside of the telescopic rods 26 is fitted with spring 27. The top of the multiple telescopic rods 26 is fixedly connected to the impact block 28. The inside of the cutting barrel 36 is slidably connected to the screen 29. The presence of the screen 29 can filter and separate materials, improving the efficiency and accuracy of the cutting process. The bottom right inner wall of the box 1 is fixedly connected to the motor 21. The drive end of the motor 21 is fixedly connected to the conveying component. The motor 21 can effectively drive the conveying component to realize the conveying and processing of materials.
[0037] The conveying assembly includes an auger 32, the bottom of which is fixedly connected to the drive end of motor 31. A conveying pipe 33 is fixedly connected to the top right side of the cutting barrel 36, and a feed pipe 34 is fixedly connected to the bottom inner wall of the left side of the conveying pipe 33. The function of the feed pipe 34 is to guide the material into the conveying pipe 33, ensuring that the material enters the conveying system smoothly. The fixed connection design ensures the stability and reliability of the system during operation. One side of the sliding block 10 is slidably connected to the inner wall of one side of the moving plate 7. The inner walls of the two scrapers 12 are in contact with the inner wall of the mixing barrel 2. A discharge port 35 is fixedly connected to the bottom front side of the box 1, and a feed port is fixedly connected to the top of the box 1. The design of the feed port facilitates the input of materials and the start of the processing process, while ensuring the system's sealing and safety.
[0038] One end of spring 27 is fixedly connected to the inner wall of the fixed block 25, and the other end of spring 27 is fixedly connected to the side of the impact block 28. This connection method allows the impact block 28 to be subjected to appropriate spring force. A feed port is fixedly connected to the top left side of the mixing tank 2. The design of this feed port facilitates the input of materials and the start of the processing process, so that the materials can smoothly enter the mixing tank 2, thereby realizing subsequent mixing or processing. A valve 13 is fixedly connected to the bottom left side of the mixing tank 2, and the external rotating rod 14 is rotatably connected to the inner wall of the bottom of the mixing tank 2.
[0039] Working principle: When the equipment is needed, the raw material is poured into the mixing tank 2 through the feed inlet. Motor 3 is started, driving the stirring rod 4 to rotate. The stirring rod 4 drives the stirring blades 5 to stir the raw material and mix it with the alkaline solution for alkaline treatment. After the alkaline treatment is complete, valve 13 is used to pour the treated raw material into the cutting tank 36. Subsequently, the stirring rod 4 drives the rotating rod 14, which in turn drives the drive wheel 15. The drive wheel 15 drives the belt 17, which in turn drives the driven wheel 16. The driven wheel 16 then drives the rotating rod 18. Rotating rod 218 drives cutting blade 30 to chop the processed raw material. Then, rotating rod 218 drives driving bevel gear 20, driving driven bevel gear 22, driving rotating rod 21, driving elliptical ring 23, driving connecting rod 24, driving fixed block 25, driving telescopic rod 26, driving impact block 28. Impact block 28 continuously strikes screen 29, and screen 29 screens the chopped raw material.
[0040] When raw materials are not completely chopped, the inclined design of the screen 29 allows the raw materials to pass through the feed pipe 34 into the conveying pipe 33, and then return to the cutting barrel 36 for re-chopping via the action of the auger 32. When it is necessary to clean the inner wall of the mixing barrel 2, the motor 3 is started. The motor 3 drives the stirring rod 4, the stirring rod 4 drives the moving rod 6, the moving rod 6 drives the moving plate 7, the moving plate 7 drives the fixed rod 8, the fixed rod 8 drives the sliding block 10, the sliding block 10 drives the rotating rod 11, and the rotating rod 11 drives the scraper 12, thereby allowing the scraper 12 to clean the inner wall of the mixing barrel 2.
[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 high-efficiency alkali lignin fiber particle preparation device, comprising a box body (1), characterized in that: The top left inner wall of the box (1) is fixedly connected with a stirring barrel (2), the top of the stirring barrel (2) is fixedly connected with a stirring assembly, one end of the stirring assembly is fixedly connected with a cleaning assembly, the bottom of the stirring assembly is fixedly connected with a rotating rod I (14), the bottom of the rotating rod I (14) is fixedly connected with a transmission assembly, the outer portion of the transmission assembly is rotatably connected with a cutting barrel (36), the outer portion of the transmission assembly is fixedly connected with an oval ring (23), the outer portion of the transmission assembly is fixedly connected with a plurality of cutting blades (30), the inner wall of the oval ring (23) is slidably connected with a connecting rod (24), the bottom of the connecting rod (24) is fixedly connected with a fixed block (25), the bottom inner wall of the fixed block (25) is fixedly connected with a plurality of telescopic rods (26), the outer portion of the telescopic rod (26) is sleeved with a spring II (27), the top of the telescopic rod (26) is fixedly connected with a striking block (28), the inside of the cutting barrel (36) is slidably connected with a screen (29), the bottom right inner wall of the box (1) is fixedly connected with a motor II (31), the driving end of the motor II (31) is fixedly connected with a conveying assembly, the front bottom of the box (1) is fixedly connected with a discharge port (35), the top of the box (1) is fixedly connected with a feed inlet.
2. The high-efficiency alkali lignin fiber particle preparation device according to claim 1, characterized in that: The stirring assembly comprises a motor I (3), the bottom of the motor I (3) is fixedly connected to the top of the stirring barrel (2), the driving end of the motor I (3) is fixedly connected with a stirring rod (4), the outer portion of the stirring rod (4) is fixedly connected with a plurality of stirring blades (5), the two sides of the stirring rod (4) are fixedly connected with a moving rod (6), the bottom of the stirring rod (4) is fixedly connected to the top of the rotating rod I (14).
3. The device for producing high-efficiency alkali lignin fiber particles according to claim 2, characterized in that: The cleaning assembly comprises a moving plate (7), one side of the moving plate (7) is fixedly connected to one end of the moving rod (6), the upper and lower inner walls of the moving plate (7) are fixedly connected with a fixed rod (8), the outer portion of the fixed rod (8) is sleeved with a spring I (9), the outer portions of the upper and lower ends of the fixed rod (8) are slidably connected with a sliding block (10), one side of the sliding block (10) is rotatably connected with a rotating rod I (11), one end of the two rotating rods I (11) is rotatably connected with a scraper (12).
4. The high-efficiency alkali lignin fiber particle preparation device according to claim 1, characterized in that: The transmission assembly includes a driving wheel (15), the top of the driving wheel (15) is fixedly connected to the bottom of the rotating rod (14), the bottom of the box (1) is rotatably connected with a driven wheel (16), the driven wheel (16) is coupled with the outside of the driving wheel (15) through a belt (17), the top of the driven wheel (16) is fixedly connected with a rotating rod (18), the outside of the rotating rod (18) is rotatably connected to the bottom inner wall of the cutting barrel (36), the bottom inner wall of the cutting barrel (36) is fixedly connected with a shell (19), the bottom inner wall of the shell (19) is rotatably connected with a driving bevel gear (20), the left inner wall of the cutting barrel (36) is rotatably connected with a rotating rod (21), the right end of the rotating rod (21) is fixedly connected with a driven bevel gear (22), the driven bevel gear (22) is in meshing connection with the driving bevel gear (20), the inner wall of the oval ring (23) is fixedly connected to the outside of the rotating rod (21), a plurality of cutting blades (30) are fixedly connected to the outside of the rotating rod (18).
5. The high-efficiency alkali lignin fiber particle preparation device according to claim 1, characterized in that: The conveying assembly includes an auger (32), the bottom of the auger (32) is fixedly connected to the driving end of the motor (31), the top right side of the cutting barrel (36) is fixedly connected with a conveying pipe (33), the left side bottom inner wall of the conveying pipe (33) is fixedly connected with a feeding pipe (34).
6. The high-efficiency alkali lignin fiber particle preparation device according to claim 3, characterized in that: The side of the sliding block (10) is slidably connected to the inner wall of the moving plate (7), the inner walls of the two scraper plates (12) are in contact with the inner wall of the stirring barrel (2).
7. The high-efficiency alkali lignin fiber particle preparation device according to claim 1, characterized in that: One end of the spring (27) is fixedly connected to the inner wall of the fixed block (25), the other end of the spring (27) is fixedly connected to the side of the impact block (28).
8. The high-efficiency alkali lignin fiber particle preparation device according to claim 1, characterized in that: The left top of the stirring barrel (2) is fixedly connected with a feeding port, the left bottom of the stirring barrel (2) is fixedly connected with a valve (13), the outside of the rotating rod (14) is rotatably connected to the bottom inner wall of the stirring barrel (2).