Drying and screening device for polyacrylamide colloidal particles
By designing a drying screening device, the servo motor drives the shaft and spiral blades to push the material into the screening box and heats and drys through electric heating wires. At the same time, multiple screenings are performed using the staggered screening plates and transmission systems, which solves the problem of low drying and screening efficiency of polyacrylamide pellets and improves the overall production efficiency.
Patent Information
- Application Number
- CN202422022584.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-20
AI Technical Summary
The drying and screening operations of existing polyacrylamide particles are carried out separately, resulting in an overall inefficiency and affecting production efficiency.
A drying screening device is designed, and a servo motor is used to drive the rotating shaft and spiral blades to push the material into the screening box and heated and dried by electric heating wire. At the same time, multiple screenings are performed using interlaced screening plates and transmission systems, including preliminary and secondary screening, combining the drying and screening process to improve efficiency.
The efficient drying and screening of polyacrylamide particles is achieved, which improves production efficiency and ensures the screening effect.
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Figure CN223058135U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polyacrylamide granule processing, in particular to a drying and screening device for polyacrylamide granules. Background Technique
[0002] Polyacrylamide is a linear high molecular polymer, which is a hard glassy solid at room temperature. The products include glue solution, latex, white powder, translucent beads and flakes, etc. It has good thermal stability;
[0003] After the existing polyacrylamide granules are produced and processed, they need to be dried and screened. However, the current drying and screening are distributed operations, and it is necessary to transfer the dried polyacrylamide granules to the screening area for screening, resulting in low overall drying and screening efficiency of the polyacrylamide granules and affecting the overall production efficiency. Therefore, we propose a drying and screening device for polyacrylamide granules. Content of the Utility Model
[0004] The purpose of the utility model is to provide a drying and screening device for polyacrylamide granules, which solves the problems raised in the background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A drying and screening device for polyacrylamide granules, including a screening box, the top of the screening box is fixedly connected with a feeding assembly, the inner cavity side walls of the screening box are alternately connected with a first screening plate and a second screening plate, and strip-shaped holes are opened on the outer wall of the screening box corresponding to the first screening plate and the second screening plate, and the first screening plate and the second screening plate penetrate through the corresponding strip-shaped holes;
[0006] The feeding assembly includes a fixed cylinder, the fixed cylinder is fixed on the top of the screening box, a discharge pipe is fixed at the bottom of one end of the fixed cylinder and the discharge pipe penetrates through the top of the screening box, a servo motor is fixed at one end of the fixed cylinder, the transmission shaft of the servo motor penetrates through the end face of the fixed cylinder and is fixedly connected with a rotating shaft, a spiral blade is fixed on the outer wall of the rotating shaft, the rotating shaft is of a hollow structure and an electric heating wire is fixed in the inner cavity of the rotating shaft.
[0007] By adopting the above technical solution, first, the polyacrylamide granules are introduced into the fixed cylinder, and then the servo motor drives the rotating shaft to rotate, so as to push the materials to move by using the spiral blade, so that the materials enter the inner cavity of the screening box, and then roll along the first screening plate for preliminary screening. The larger particles are exported along the corresponding strip-shaped holes, and then the screened particles are screened by using the second screening plate, so as to realize secondary screening and ensure the screening effect.
[0008] As a preferred embodiment of the utility model, the outer end of the rotating shaft passes through a fixed cylinder and is fixedly connected to the first transmission wheel, a driving box is fixed to one side wall of the screening box, and a second transmission wheel is rotatably installed on one side wall of the driving box, the first transmission wheel and the second transmission wheel are connected by a first transmission belt, a short shaft is fixed to an inner end of the second transmission wheel, and the short shaft passes through the driving box and is fixedly connected to the first bevel gear, the outer wall of the first bevel gear is meshed with the second bevel gear, a connecting shaft is fixed to one end of the second bevel gear, and the connecting shaft movably passes through the driving box and is fixedly connected to the third transmission wheel, the inner cavity of the screening box is located on the upper sides of the first screening plate and the second screening plate, and a roller is arranged, a plurality of evenly distributed material tapping rods are fixed on the outer wall of the roller, one end of the roller passes through the screening box and is fixedly connected to the sixth transmission wheel, and a fifth transmission wheel is rotatably installed on one side of the side wall of the screening box, the fifth transmission wheel and the two sixth transmission wheels are connected by a third transmission belt, the outer end surface of the fifth transmission wheel is centrally fixed with a fourth transmission wheel, and the fourth transmission wheel and the third transmission wheel are connected by a second transmission belt.
[0009] By adopting the above technical solution, the first transmission wheel is driven to rotate by rotating the rotating shaft when driving the material into the screening box for screening, thereby driving the second transmission wheel to rotate, and the third transmission wheel is driven by the first bevel gear and the second bevel gear in the driving box to rotate, thereby driving the fourth transmission wheel to rotate, and then the fifth transmission wheel is driven to rotate, and then the two sixth transmission wheels are driven to rotate, thereby driving the roller to rotate, thereby driving the material-moving rod to rotate, and the agglomerated material is moved and knocked, thereby improving the screening effect.
[0010] As a preferred embodiment of the present invention, a material guide plate is fixed to the lower side of the inner cavity of the screening box, and the material guide plate passes through the discharge hole provided on the side wall of the screening box.
[0011] As a preferred embodiment of the present invention, vibration motors are fixed at the bottom of the first sieve plate and the bottom of the second sieve plate.
[0012] As a preferred embodiment of the utility model, one side of the top of the fixed cylinder is fixedly connected to a feed hopper.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] The drying and screening device of polyacrylamide granules of the technical solution of the present application drives the rotating shaft to rotate by a servo motor, thereby driving the spiral blade to rotate, so that the spiral blade drives the material to enter the screening box, and the electric heating wire in the rotating shaft is used to heat the material when entering the screening box for screening, so as to achieve drying when feeding, thereby combining drying and screening, improving the efficiency of drying and screening of polyacrylamide granules, and thus improving production efficiency;
[0015] When screening the driving material into the screening box, the rotation of the rotating shaft drives the rotation of the first driving wheel, thereby driving the rotation of the second driving wheel. The transmission box is used for transmission to make the third driving wheel rotate, and further drives the fourth driving wheel to rotate, and then makes the fifth driving wheel rotate, and then drives the rotation of the two sixth driving wheels, realizing the driving of the rotating roller to rotate, and then driving the stirring rod to rotate, so as to stir and strike the agglomerated material, thereby improving the screening effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Other features, objects and advantages of the present utility model will become more apparent by reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0017] Figure 1 It is a schematic diagram of the overall structure of the drying and screening device for polyacrylamide granules of the present utility model;
[0018] Figure 2 It is a schematic sectional view of the drying and screening device for polyacrylamide granules of the present utility model;
[0019] Figure 3 It is a schematic diagram of the inner cavity structure of the drive box of the drying and screening device for polyacrylamide granules of the present utility model;
[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the rotating shaft of the drying and screening device for polyacrylamide granules of the present utility model.
[0021] In the figure:
[0022] 1. Screening box; 11. First screening plate; 12. Second screening plate; 13. Vibration motor; 14. Strip-shaped hole; 15. Guide plate; 16. Rotating roller; 17. Sixth driving wheel; 18. Fifth driving wheel; 19. Third transmission belt;
[0023] 2. Feeding assembly; 21. Fixed cylinder; 22. Servo motor; 23. Rotating shaft; 24. Feeding hopper; 25. Electric heating wire;
[0024] 3. Drive box; 31. Second driving wheel; 32. First driving wheel; 33. Third driving wheel; 34. Fourth driving wheel; 35. Second bevel gear; 36. First bevel gear. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0025] Please refer to Figures 1-4, the present utility model provides a technical solution: a drying and screening device for polyacrylamide granules, including a screening box 1, a feeding assembly 2 is fixedly connected to the top of the screening box 1, the inner side walls of both sides of the inner cavity of the screening box 1 are alternately connected with a first screening plate 11 and a second screening plate 12, strip-shaped holes 14 are respectively opened on the outer wall of the screening box 1 corresponding to the first screening plate 11 and the second screening plate 12, and the first screening plate 11 and the second screening plate 12 penetrate through the corresponding strip-shaped holes 14;
[0026] The feeding assembly 2 includes a fixed cylinder 21, the fixed cylinder 21 is fixed to the top of the screening box 1, a discharge pipe is fixed to the bottom of one end of the fixed cylinder 21 and the discharge pipe penetrates through the top of the screening box 1, a servo motor 22 is fixed to one end of the fixed cylinder 21, the transmission shaft of the servo motor 22 penetrates through the end face of the fixed cylinder 21 and is fixedly connected with a rotating shaft 23, a spiral blade is fixed to the outer wall of the rotating shaft 23, the rotating shaft 23 is of a hollow structure and an electric heating wire 25 is fixed inside the cavity of the rotating shaft 23;
[0027] It should be noted that the connection between the first screening plate 11 and the second screening plate 12 and the inner wall of the screening box 1 is connected by an elastic steel sheet;
[0028] During actual use, first, the polyacrylamide granules are introduced into the fixed cylinder 21, then the servo motor 22 drives the rotating shaft 23 to rotate, thereby using the spiral blade to push the material to move, so that it enters the inner cavity of the screening box 1, and then rolls along the first screening plate 11 for preliminary screening. Larger particles are led out along the corresponding strip-shaped holes 14, and then the screened particles are screened by the second screening plate 12, thereby realizing secondary screening and ensuring the screening effect.
[0029] Furthermore, a feed hopper 24 is fixedly communicated with one side of the top of the fixed cylinder 21. The setting of the feed hopper 24 makes it convenient to introduce the material into the fixed cylinder 21.
[0030] Even further, vibration motors 13 are fixed to the bottoms of both the first screening plate 11 and the second screening plate 12. The vibration motors 13 can transmit vibration to the first screening plate 11 and the second screening plate 12, thereby driving the material to slightly jump and improving the screening effect.
[0031] It is worth introducing that a guide plate 15 is fixed to the lower side of the inner cavity of the screening box 1. The guide plate 15 penetrates through the discharge hole opened on the side wall of the screening box 1, so as to be able to lead out the screened material.
[0032] Such as Figure 1 and 2, 3; the outer end of the rotating shaft 23 passes through the fixed cylinder 21 and is fixedly connected to the first transmission wheel 32, a side wall of the screening box 1 is fixed with a driving box 3, a side wall of the driving box 3 is rotatably mounted with a second transmission wheel 31, the first transmission wheel 32 and the second transmission wheel 31 are connected by a first transmission belt, a short shaft is fixed to one end of the inner side of the second transmission wheel 31, and the short shaft passes through the driving box 3 and is fixedly connected to a first bevel gear 36, the outer wall of the first bevel gear 36 is meshed with a second bevel gear 35, and one end of the second bevel gear 35 is fixed with a connecting shaft, and the connecting shaft movably passes through the driving box 3 and is fixedly connected to the first bevel gear 36. Three transmission wheels 33, the inner cavity of the screening box 1 is located on the upper sides of the first screening plate 11 and the second screening plate 12, and a roller 16 is arranged, and a plurality of evenly distributed material-moving rods are fixed on the outer wall of the roller 16, one end of the roller 16 passes through the screening box 1 and is fixedly connected with a sixth transmission wheel 17, and a fifth transmission wheel 18 is rotatably installed on one side of the side wall of the screening box 1, and the fifth transmission wheel 18 and the two sixth transmission wheels 17 are connected by a third transmission belt 19, and a fourth transmission wheel 34 is fixed on the outer end surface of the fifth transmission wheel 18, and the fourth transmission wheel 34 and the third transmission wheel 33 are connected by a second transmission belt;
[0033] When the material is driven into the screening box 1 for screening, the rotating shaft 23 rotates to drive the first transmission wheel 32 to rotate, thereby driving the second transmission wheel 31 to rotate, and the first bevel gear 36 and the second bevel gear 35 in the driving box 3 are used to drive the third transmission wheel 33 to rotate, thereby driving the fourth transmission wheel 34 to rotate, thereby driving the fifth transmission wheel 18 to rotate, and then driving the two sixth transmission wheels 17 to rotate, thereby driving the roller 16 to rotate, thereby driving the material-moving rod to rotate, and the agglomerated material is moved and knocked, thereby improving the screening effect.
[0034] The implementation principle of the drying and screening device of polyacrylamide granules of the present application is as follows: in actual use, the polyacrylamide granules are first introduced into the fixed cylinder 21, and then the servo motor 22 drives the rotating shaft 23 to rotate, so as to use the spiral blade to push the material to move, so that it enters the inner cavity of the screening box 1, and then rolls along the first screening plate 11 for preliminary screening, and the larger particles are discharged along the corresponding strip holes 14, and then the screened particles are screened by the second screening plate 12, so as to achieve secondary screening and ensure the screening effect. When the material is driven to enter the screening box 1 for screening, the rotating shaft 23 rotates to drive the first transmission wheel 32 to rotate, thereby driving the second transmission wheel 31 to rotate, and the first bevel gear 36 and the second bevel gear 35 in the driving box 3 are used to drive the third transmission wheel 33 to rotate, thereby driving the fourth transmission wheel 34 to rotate, thereby driving the fifth transmission wheel 18 to rotate, and then driving the two sixth transmission wheels 17 to rotate, so as to drive the roller 16 to rotate, thereby driving the material-moving rod to rotate, and the agglomerated material is moved and knocked, thereby improving the screening effect.
[0035] In addition, all components included in the drying and screening device for polyacrylamide granules of the present utility model are common standard components or components known to those skilled in the art. Its structure and principle can be known by those skilled in the art through technical manuals or by conventional experimental methods. At the idle place of this device, all the above-mentioned electrical components, which refer to power elements, electrical components, and the adapted monitoring computer and power supply, are connected through wires. For the specific connection means, the sequential working order among the electrical components in the following working principle should be referred to for electrical connection. The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process, and no further description of electrical control will be made.
Claims
1. A drying and screening device for polyacrylamide granules, comprising a screening box (1), characterized in that: The top of the screening box (1) is fixedly connected to a feed assembly (2), the inner cavity side walls of the screening box (1) are staggeredly connected to a first screening plate (11) and a second screening plate (12), the outer wall of the screening box (1) is provided with strip holes (14) at locations corresponding to the first screening plate (11) and the second screening plate (12), and the first screening plate (11) and the second screening plate (12) are penetrated through the corresponding strip holes (14); The feed assembly (2) comprises a fixed cylinder (21), the fixed cylinder (21) is fixed to the top of the screening box (1), a discharge pipe is fixed to the bottom of one end of the fixed cylinder (21), and the discharge pipe passes through the top of the screening box (1), a servo motor (22) is fixed to one end of the fixed cylinder (21), the transmission shaft of the servo motor (22) passes through the end surface of the fixed cylinder (21) and is fixedly connected to a rotating shaft (23), a spiral blade is fixed to the outer wall of the rotating shaft (23), the rotating shaft (23) is a hollow structure, and a heating wire (25) is fixed to the inner cavity of the rotating shaft (23).
2. The drying and screening device for polyacrylamide granules according to claim 1, wherein: The outer end of the rotating shaft (23) passes through the fixed cylinder (21) and is fixedly connected to a first transmission wheel (32); a driving box (3) is fixed to one side wall of the screening box (1); a second transmission wheel (31) is rotatably mounted on one side wall of the driving box (3); the first transmission wheel (32) and the second transmission wheel (31) are connected via a first transmission belt; a short shaft is fixed to one inner end of the second transmission wheel (31); the short shaft passes through the driving box (3) and is fixedly connected to a first bevel gear (36); a second bevel gear (35) is meshed with an outer wall of the first bevel gear (36); a connecting shaft is fixed to one end of the second bevel gear (35); the connecting shaft movably passes through the driving box (3) and is fixedly connected to a third transmission wheel ( 33), the inner cavity of the screening box (1) is located on the upper side of the first screening plate (11) and the second screening plate (12), and a roller (16) is arranged, and a plurality of evenly distributed material-moving rods are fixed to the outer wall of the roller (16), one end of the roller (16) passes through the screening box (1) and is fixedly connected to a sixth transmission wheel (17), a fifth transmission wheel (18) is rotatably mounted on one side of the side wall of the screening box (1), the fifth transmission wheel (18) and the two sixth transmission wheels (17) are connected by a third transmission belt (19), a fourth transmission wheel (34) is fixedly connected to the outer end surface of the fifth transmission wheel (18), and the fourth transmission wheel (34) and the third transmission wheel (33) are connected by a second transmission belt.
3. The drying and screening device for polyacrylamide granules according to claim 1, wherein: A material guide plate (15) is fixed to the lower side of the inner cavity of the screening box (1), and the material guide plate (15) penetrates a material discharge hole provided on the side wall of the screening box (1).
4. The drying and screening device for polyacrylamide granules according to claim 1, wherein: A vibration motor (13) is fixed to the bottom of each of the first screening plate (11) and the second screening plate (12).
5. The drying and screening device for polyacrylamide granules according to claim 1, characterized in that: One side of the top of the fixed cylinder (21) is fixedly connected to a feed hopper (24).