Polyacrylamide pulverizator
By designing a high-strength outer shell and grinding blocks, combined with jet pipe heat dissipation and centrifugal action of the filter screen, the problems of poor heat dissipation and easy clogging of screens in traditional crushers are solved, achieving efficient crushing and continuous operation of polyacrylamide.
Patent Information
- Application Number
- CN202520452410.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Traditional pulverizers suffer from poor heat dissipation and are prone to screen clogging, resulting in low pulverization efficiency of polyacrylamide and the need for frequent shutdowns for cleaning.
It uses a high-strength shell and grinding blocks for crushing, combined with heat dissipation from the jet pipe and centrifugal action from the filter screen to achieve effective heat dissipation and prevent sieve clogging.
It improves the pulverization efficiency of polyacrylamide, avoids glass transition and screen clogging caused by frictional heat, and enables long-term continuous operation.
Smart Images
Figure CN223820893U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to production equipment technical field especially relates to a kind of polyacrylamide pulverizers. BACKGROUND
[0002] Polyacrylamide is a kind of macromolecular polymer, it is often used in water treatment, papermaking, oil exploitation etc. industry as flocculation agent, thickener etc. use, thus need to be ground into powder to optimize dispersibility, avoid particle agglomeration to cause local concentration high or flocculation structure defect. And traditional pulverizer not only easy to generate heat by friction, cause polyacrylamide to appear glass transition (165 DEG C), also because of viscosity, screen mesh is blocked, it also needs to stop cleaning or adopt high-noise vibrating screen continuous vibration, with certain limitation.
[0003] Therefore, in view of above insufficiency, need to provide a kind of polyacrylamide pulverizer. UTILITY MODEL CONTENT
[0004] (One) technical problem to be solved
[0005] The technical problem to be solved by the utility model is to solve the problem of poor heat dissipation and easy screen blockage of traditional pulverizer.
[0006] (Two) technical scheme
[0007] In order to solve the above technical problem, the utility model provides a kind of polyacrylamide pulverizer, including the shell of granular material, the rotating disc of rotating connection in the bottom of shell, the grinding block of interval fixed connection in the periphery of rotating disc to grind material, the taper of being connected in the middle part of rotating disc and being provided with a plurality of holes, the motor of being fixed in the outside of shell to drive rotating disc rotation, the air jet pipe of being communicated with taper to spray powder material and the filter screen of being rotationally connected on the top of shell to make qualified powder separate from shell.
[0008] As a further description of the utility model, preferably, grinding block and the surface of shell are opposite and are fixed with grinding beans, two grinding beans are fixed on grinding block in an interval, and the grinding beans on shell are located between the two grinding beans on grinding block.
[0009] As a further description of the utility model, preferably, the hollow ground shaft is fixed in the middle of the bottom end of rotating disc, the ground shaft is rotationally connected with motor outside shell, and the converter is connected between the extending end of ground shaft and air jet pipe to make air jet pipe not rotate with ground shaft.
[0010] As a further description of the utility model, preferably, a plurality of air holes are arranged on the conical surface of taper in an interval, the air hole axis direction of upper half part of taper is perpendicular to generatrix, and the air hole axis direction of lower half part of taper is horizontal.
[0011] As a further explanation of this utility model, preferably, a hexagonal prism-shaped rotating platform is fixedly connected to the top of the frustum so as to install and remove the frustum by clamping.
[0012] As a further explanation of this utility model, preferably, an outer cover is fixedly connected to the top of the outer shell, and a feed pipe is fixedly connected to one side of the outer cover to inject granular material into the outer shell. The filter screen is rotatably connected to the middle of the outer cover to avoid clogging the screen holes.
[0013] As a further explanation of this utility model, preferably, a bearing is fixedly connected to the middle of the outer cover, the filter screen is placed on the bearing, a rotating shaft is fixedly connected to the middle of the filter screen, and the rotating shaft extends out of the filter screen and is connected to a drive motor.
[0014] As a further explanation of this utility model, preferably, the filter screen and the bearing housing are covered with an upper cover, and a powder outlet pipe is fixedly connected to the upper cover to draw the powder out of the outer shell.
[0015] As a further explanation of this utility model, preferably, a cylinder is fixedly connected to the bottom of the filter screen, the cylinder abuts against the rotating platform, and the rotation direction of the filter screen is the same as the tightening direction of the conical platform.
[0016] As a further explanation of this utility model, preferably, an annular indicator groove is provided on the inner side of the outer shell, and the grinding beans on the outer shell are all located on the indicator groove.
[0017] (III) Beneficial Effects
[0018] The above-mentioned technical solution of this utility model has the following advantages:
[0019] This invention uses the friction between the grinding block and the high-strength outer shell to pulverize polyacrylamide. During the pulverization process, the large surface area of the outer shell is used to dissipate heat, reduce the friction temperature and prevent vitrification. At the same time, the rotation of the filter screen can sieve out the powder of the required mesh size, and can also remove the powder adhering to the surface of the filter screen through centrifugal force to prevent clogging of the screen holes and affect the filtration effect. This allows for long-term operation without stopping and improves pulverization efficiency. Attached Figure Description
[0020] Figure 1 This is a partial sectional view of the present invention;
[0021] Figure 2 This is a top view of the present invention;
[0022] Figure 3 This is a side view of the present invention;
[0023] Figure 4 This is a structural diagram of the inner shell of this utility model;
[0024] Figure 5 This is a half-sectional view of the present invention.
[0025] In the diagram: 1. Outer shell; 11. Feed pipe; 12. Outer cover; 13. Indicator groove; 2. Turntable; 21. Ground shaft; 3. Grinding block; 4. Conical frustum; 41. Air hole; 42. Rotating table; 5. Motor; 51. Gear set; 6. Air jet pipe; 61. Converter; 7. Grinding beans; 8. Filter screen; 81. Rotating shaft; 82. Bearing; 83. Top cover; 84. Powder outlet pipe. Detailed Implementation
[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0027] A polyacrylamide pulverizer, combined with Figure 1 , Figure 2 It includes an outer shell 1 for holding granular materials, a turntable 2 rotatably connected to the bottom of the outer shell 1, grinding blocks 3 spaced and fixed to the outer periphery of the turntable 2, a cone 4 threadedly connected to the middle of the turntable 2, a motor 5 fixed to the outside of the outer shell 1, an air jet pipe 6 communicating with the cone 4, and a filter screen 8 rotatably connected to the side of the outer shell 1.
[0028] Combination Figure 3 , Figure 4 The outer shell 1 is made of a high-strength, wear-resistant cylindrical metal shell. An annular outer cover 12 is fixed to the top of the outer shell 1, and a feed pipe 11 is fixed to one side of the outer cover 12. One end of the feed pipe 11 extends into the outer shell 1 to inject dried granular polyacrylamide into the outer shell 1. The outer diameter of the turntable 2 is slightly smaller than that of the outer shell 1. The turntable 2 is fixed to the grinding block 3 by bolts. Grinding beans 7 are fixed to the surfaces of the grinding block 3 and the outer shell 1, with two grinding beans 7 fixed at intervals on each side. The grinding beans 7 on the outer shell 1 are located between the two grinding beans 7 on the grinding block 3. An annular indicator groove 13 is provided on the inner side of the outer shell 1. All the grinding beans 7 on the outer shell 1 are located in the indicator groove 13. The indicator groove 13 clearly indicates the installation position, ensuring that the grinding beans 7 do not interfere with each other and affect the rotation of the turntable 2. The grinding block 3 is bolted to the turntable 2 for easy replacement after wear.
[0029] During operation, the rotating disc 2, through the agitation of the grinding block 3 and centrifugal action, brings the granular polyacrylamide into contact with the grinding beans 7. Under the pressure of the grinding beans 7, the granules are crushed, achieving a pulverizing effect. At the same time, the heat generated by the crushing is dissipated through the large surface area of the outer shell 1 and the gas flowing out from the cone 4, so as to avoid the problem of vitrification.
[0030] Combination Figure 3 , Figure 5 A hollow ground shaft 21 is fixed to the center of the bottom of the turntable 2. The ground shaft 21 extends out of the outer shell 1 and is rotatably connected to the output end of the motor 5 through a gear set 51. A converter 61 is connected between the extended end of the ground shaft 21 and the jet pipe 6 to prevent the jet pipe 6 from rotating with the ground shaft 21, thus avoiding agitation. Several air holes 41 are spaced apart on the conical surface of the truncated cone 4. The axis of the air holes 41 in the upper half of the truncated cone 4 is perpendicular to the generatrix, while the axis of the air holes 41 in the lower half of the truncated cone 4 is horizontal. Air with a pressure of not less than 0.1 MPa flows through the jet pipe 6 and into the outer shell 1 through the air holes 41, blowing up the powder and carrying away heat to cool the material. The air pressure and flow rate are adjusted according to the required mesh size so that the powder of the required mesh size can fly up and pass through the filter screen 8, while the remaining larger particles fall back to the turntable for further grinding until qualified, ensuring that the product particle size meets the requirements.
[0031] Combination Figure 1 , Figure 5 The filter screen 8 is a cylindrical shell with several sieve holes to filter out powder of the required mesh size. A bearing 82 is fixedly connected to the middle of the outer cover 12. The outer edge of the filter screen 8 rests on the bearing 82, allowing the filter screen 8 to rotate. A rotating shaft 81 is fixedly connected to the middle of the filter screen 8, extending out of the filter screen 8 and connected to a drive motor. Driven by the motor, the filter screen 8 rotates, which not only filters qualified powder but also uses centrifugal force to remove some of the powder adhering to the filter screen 8, preventing clogging of the sieve holes. An upper cover 83 covers the filter screen 8 and the bearing 82. A powder outlet pipe 84 is fixedly connected to the upper cover 83 to draw the powder away from the outer shell 1, preventing material from flowing out of the equipment and causing air pollution. In addition, a hexagonal prism-shaped rotating platform 42 is fixedly connected to the top of the cone 4, allowing the cone 4 to be rotated by clamping, and then installed and removed by using threads; a cylinder is fixedly connected to the bottom of the filter screen 8, the cylinder slightly abutting against the rotating platform 42 or at a distance less than the length of the cone 4 screwed into the turntable 2, and the rotation direction of the filter screen 8 is the same as the tightening direction of the cone 4, so that when the turntable 2 rotates and grinds, the cone 4 and the turntable 2 are prevented from being misaligned and separated due to air action, ensuring that the cone 4 can be stably connected to the turntable 2.
[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A polyacrylamide pulverizer, characterized in that: The device includes an outer shell (1) for holding granular materials, a turntable (2) rotatably connected to the bottom of the outer shell (1), grinding blocks (3) fixed at intervals around the turntable (2) to crush the materials, a cone (4) with several holes threadedly connected to the middle of the turntable (2), a motor (5) fixed to the outside of the outer shell (1) to drive the turntable (2) to rotate, an air jet pipe (6) connected to the cone (4) to spray the powdered materials, and a filter screen (8) rotatably connected to the top of the outer shell (1) to separate qualified powder from the outer shell (1).
2. The polyacrylamide pulverizer according to claim 1, characterized in that: Grinding beans (7) are fixedly connected to the surfaces of the grinding block (3) and the outer shell (1). Two grinding beans (7) are fixedly connected to the upper and lower surfaces of the grinding block (3) at intervals. The grinding beans (7) on the outer shell (1) are located between the two grinding beans (7) on the grinding block (3).
3. A polyacrylamide pulverizer according to claim 2, characterized in that: A hollow ground shaft (21) is fixed to the middle of the bottom of the turntable (2). The ground shaft (21) extends out of the outer shell (1) and is rotatably connected to the motor (5). A converter (61) is connected between the extended end of the ground shaft (21) and the jet pipe (6) so that the jet pipe (6) does not rotate with the ground shaft (21).
4. A polyacrylamide pulverizer according to claim 3, characterized in that: A number of air holes (41) are spaced apart on the conical surface of the frustum (4). The axial direction of the air holes (41) in the upper part of the frustum (4) is perpendicular to the generatrix, while the axial direction of the air holes (41) in the lower part of the frustum (4) is horizontal.
5. A polyacrylamide pulverizer according to claim 4, characterized in that: The top of the cone (4) is fixed to a hexagonal prism-shaped rotating platform (42) for mounting and dismounting the cone (4) by clamping.
6. A polyacrylamide pulverizer according to claim 5, characterized in that: An outer cover (12) is fixed to the top of the outer shell (1), and a feed pipe (11) is fixed to one side of the outer cover (12) to inject granular material into the outer shell (1). The filter screen (8) is rotatably connected to the middle of the outer cover (12) to prevent the screen holes from being blocked.
7. A polyacrylamide pulverizer according to claim 6, characterized in that: A bearing (82) is fixed in the middle of the outer cover (12), and the filter screen (8) is placed on the bearing (82). A rotating shaft (81) is fixed in the middle of the filter screen (8), and the rotating shaft (81) extends out of the filter screen (8) and is connected to a drive motor.
8. A polyacrylamide pulverizer according to claim 7, characterized in that: The filter screen (8) and bearing (82) are covered by an upper cover (83), and a powder outlet pipe (84) is fixedly connected to the upper cover (83) to draw the powder out of the outer shell (1).
9. A polyacrylamide pulverizer according to claim 8, characterized in that: A cylinder is fixed to the bottom of the filter screen (8), and the cylinder abuts against the rotary table (42). The rotation direction of the filter screen (8) is the same as the tightening direction of the cone (4).
10. A polyacrylamide pulverizer according to claim 8, characterized in that: An annular indicator groove (13) is provided on the inner side of the outer shell (1), and the grinding beans (7) on the outer shell (1) are all located on the indicator groove (13).