Polyacrylamide grinding device convenient to feed

By introducing water-cooled pipes and a cooling oil system into the polyacrylamide grinding device, the problem of temperature rise during the grinding process was solved, effective temperature control was achieved, and grinding efficiency and product quality were improved.

CN224009921UActive Publication Date: 2026-03-20XINMI WANLI IND DEV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In existing grinding equipment, the friction between the rotating and stationary grinding plates during the grinding process generates significant heat, causing the polyacrylamide temperature to rise and affecting production quality.

Method used

A polyacrylamide grinding device with easy feeding was designed. It adopts a feeding mechanism, a conveying mechanism and a grinding mechanism. By setting a water-cooling pipe and a cooling oil system in the outer shell, heat exchange is carried out between the water-cooling pipe and the fixed grinding plate. A heat-conducting cylinder is set below the driven gear to enhance the cooling effect and reduce the temperature of the grinding plate.

Benefits of technology

It effectively reduces the temperature of the fixed grinding plate, keeps the temperature at a low level during the grinding process, and improves grinding efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224009921U_ABST
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Abstract

The utility model relates to a polyacrylamide grinding device facilitating feeding, and relates to the field of chemical grinding devices.The polyacrylamide grinding device comprises a feeding mechanism, a conveying mechanism and a grinding mechanism, one end of the conveying mechanism is connected with the feeding mechanism, the other end of the conveying mechanism is connected with the grinding mechanism, and the grinding mechanism comprises a shell, a rotary grinding plate and a fixed grinding plate; the rotary grinding plate is rotationally connected into the shell, the fixed grinding plate is fixed into the shell, the rotary grinding plate abuts against the fixed grinding plate, a water cooling pipe is arranged in the shell and installed on the fixed grinding plate, the two ends of the water cooling pipe penetrate through the shell and stretch out, and circulating cooling water is introduced into the water cooling pipe. The grinding device has the effect of reducing the temperature of the grinding plate in the grinding process.
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Description

TECHNICAL FIELD

[0001] The application relates to the field of chemical grinding devices, in particular to a polyacrylamide grinding device facilitating feeding. BACKGROUND

[0002] At present, in the high polymer material processing industry, polyacrylamide, as an important water-soluble polymer, is widely used in water treatment, oil exploitation and other fields. In order to meet the needs of different application scenarios, it needs to be finely ground so as to obtain finer granularity.

[0003] The existing grinding device comprises a shell, a rotating grinding plate and a fixed grinding plate, an opening is formed in the shell, and the polyacrylamide to be ground is poured in through the opening. The rotating grinding plate and the fixed grinding plate are circular plate structures, the rotating grinding plate and the fixed grinding plate are horizontally arranged and abut against each other, the polyacrylamide falls on the rotating grinding plate, the rotating grinding plate rotates relative to the fixed grinding plate, the ground polyacrylamide falls to the bottom of the shell, and the user can collect and process subsequently.

[0004] The related technical solutions in the above have the following defects: in the grinding process, the rotating grinding plate and the fixed grinding plate are easy to generate large heat due to friction, the temperature of the rotating grinding plate and the fixed grinding plate is increased, and then the temperature of the polyacrylamide is high, which destroys the production quality of the polyacrylamide. CONTENT OF THE INVENTION

[0005] In order to reduce the temperature of the grinding plate in the grinding process, the application provides a polyacrylamide grinding device facilitating feeding.

[0006] The polyacrylamide grinding device facilitating feeding provided by the application adopts the following technical scheme:

[0007] The polyacrylamide grinding device facilitating feeding comprises a feeding mechanism, a conveying mechanism and a grinding mechanism, one end of the conveying mechanism is connected with the feeding mechanism, the other end is connected with the grinding mechanism, the grinding mechanism comprises a shell, a rotating grinding plate and a fixed grinding plate, the rotating grinding plate is rotatably connected in the shell, the fixed grinding plate is fixed in the shell, the rotating grinding plate abuts against the fixed grinding plate, a water cooling pipe is arranged in the shell, the water cooling pipe is installed on the fixed grinding plate, the water cooling pipe penetrates through the shell at both ends and extends out, and the water cooling pipe is used for circulating cooling water.

[0008] By adopting the above technical scheme, the user pours the polyacrylamide to be ground into the feeding mechanism, so that the conveying mechanism can send the polyacrylamide in the feeding mechanism into the grinding mechanism, the rotating grinding plate can rotate and grind the polyacrylamide together with the fixed grinding plate, a plurality of through holes are formed in the rotating grinding plate and the fixed grinding plate, the polyacrylamide to be ground falls on the fixed grinding plate through the through hole of the rotating grinding plate, and after the particle size of the polyacrylamide is ground to be smaller than the diameter of the through hole on the fixed grinding plate, the polyacrylamide falls from the through hole of the fixed grinding plate, the water cooling pipe is arranged on the fixed grinding plate to exchange heat with the fixed grinding plate, and the temperature of the fixed grinding plate is kept at a low level.

[0009] Optionally, the rotating grinding plate comprises a grinding plate one, a connecting cylinder and a driven gear, the connecting cylinder is vertically arranged as a cylinder, the lower end of the connecting cylinder is fixed with the grinding plate one, and the driven gear is arranged above the connecting cylinder.

[0010] By adopting the above technical scheme, the driven gear is arranged on the connecting cylinder, and the motor two is arranged in the shell, so that the motor two can drive the connecting cylinder to rotate, thereby achieving the effect of rotating the rotating grinding plate relative to the fixed grinding plate, and the user can arrange a bearing outside the connecting cylinder, so that the connecting cylinder can be stably connected to the fixed grinding plate.

[0011] Optionally, a plurality of fixed gears are rotatably connected in the shell, and the fixed gears are engaged with the driven gear.

[0012] By adopting the above technical scheme, the fixed gears and the driving gear jointly support the driven gear, thereby uniformly distributing the stress on the connecting cylinder.

[0013] Optionally, the fixed grinding plate comprises a connecting plate, a grinding plate two and an inclined plate, the connecting plate and the grinding plate two are horizontally arranged, one end of the inclined plate is connected with the connecting plate, and the other end is connected with the grinding plate two, the connecting plate is higher than the grinding plate two, and the connecting plate is fixed on the shell.

[0014] By adopting the above technical scheme, the inclined plate is arranged between the connecting plate and the grinding plate two, so that the grinding plate two is arranged lower than the connecting plate, thereby enabling the ground polyacrylamide to slide along the inclined plate to the grinding plate two and fall down, and reducing the probability of the ground polyacrylamide accumulating on the fixed grinding plate.

[0015] Optionally, the fixed grinding plate is provided with an inner side cylinder and an outer side cylinder, the inner side cylinder and the outer side cylinder are coaxially arranged on the connecting plate, the inner side cylinder and the outer side cylinder are used to hold cooling oil therebetween, and the water cooling pipe is arranged between the inner side cylinder and the outer side cylinder.

[0016] By adopting the technical scheme, the cooling oil can be poured between the inner cylinder and the outer cylinder, and the cooling oil can be used for heat exchange with the connecting plate, so that the heat exchange efficiency of the water-cooled pipe and the connecting plate is improved.

[0017] Optionally, the heat conduction cylinder is coaxially arranged between the inner cylinder and the outer cylinder.

[0018] By adopting the technical scheme, the heat conduction cylinder can be arranged below the driven gear, and the lower end of the heat conduction cylinder can be immersed in the cooling oil when the cooling oil is poured between the inner cylinder and the outer cylinder, so that the water-cooled pipe can be used for cooling the rotating grinding plate and the fixed grinding plate at the same time.

[0019] Optionally, the feeding mechanism comprises a hopper and a sealing cover, the conveying mechanism is connected with the hopper, and the sealing cover is detachably connected with the hopper.

[0020] By adopting the technical scheme, the hopper is arranged at one end of the conveying mechanism, the user can pour the material into the hopper, and the material can be conveyed through the conveying mechanism, the sealing cover is arranged on the hopper, and after the material is poured, the user can cover the sealing cover on the hopper, so that the material in the hopper can be reduced, and the dust can be reduced.

[0021] Optionally, the conveying mechanism comprises a spiral auger, a motor and a mounting cylinder, one end of the mounting cylinder is connected with the shell, the other end of the mounting cylinder is connected with the hopper, the spiral auger is rotatably connected in the mounting cylinder, the motor is fixed on the outside of the hopper, and the output shaft of the motor is connected with the spiral auger.

[0022] By adopting the technical scheme, the spiral auger is arranged in the mounting cylinder, the motor can drive the spiral auger to rotate, and the spiral auger can convey the material in the hopper into the shell.

[0023] In summary, the beneficial technical effects of the present application are:

[0024] 1. The application is characterized in that the feeding mechanism and the grinding mechanism are arranged at both ends of the conveying mechanism respectively, the user pours the polyacrylamide to be ground into the feeding mechanism, the conveying mechanism can send the polyacrylamide in the feeding mechanism into the grinding mechanism, the rotating grinding plate and the fixed grinding plate are arranged in the shell, the rotating grinding plate can rotate and grind the polyacrylamide together with the fixed grinding plate, a plurality of through holes are arranged on the rotating grinding plate and the fixed grinding plate, the polyacrylamide to be ground falls on the fixed grinding plate through the through holes of the rotating grinding plate, and the polyacrylamide falls from the through holes of the fixed grinding plate after being ground to a particle size less than the diameter of the through holes on the fixed grinding plate, the water cooling pipe is arranged on the fixed grinding plate, the water cooling pipe exchanges heat with the fixed grinding plate, and the temperature of the fixed grinding plate is kept at a low level.

[0025] 2. The application is characterized in that the inner cylinder and the outer cylinder are arranged on the fixed grinding plate, the user can pour the cooling oil between the inner cylinder and the outer cylinder, the cooling oil exchanges heat with the connecting plate, and the heat exchange efficiency of the water cooling pipe and the connecting plate is improved.

[0026] 3. The application is characterized in that the heat conduction cylinder is arranged below the driven gear, the heat conduction cylinder can be deeply arranged between the inner cylinder and the outer cylinder, the lower end of the heat conduction cylinder can be soaked in the cooling oil when the cooling oil is poured between the inner cylinder and the outer cylinder, and the water cooling pipe can cool the rotating grinding plate and the fixed grinding plate at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the overall structure schematic diagram of the embodiment of the application.

[0028] Figure 2 It is the overall sectional view of the embodiment of the application.

[0029] Figure 3 It is the connection structure schematic diagram of the rotating grinding plate and the fixed gear of the embodiment of the application.

[0030] Figure 4 It is the structure schematic diagram of the fixed grinding plate of the embodiment of the application.

[0031] Figure 5 It is the position schematic diagram of the inner cylinder and the outer cylinder of the embodiment of the application.

[0032] Figure 6 It is the installation position schematic diagram of the heat conduction cylinder of the embodiment of the application.

[0033] Reference signs: 1, feeding mechanism; 11, hopper; 12, sealing cover; 2, conveying mechanism; 21, auger; 22, motor one; 23, mounting cylinder; 3, grinding mechanism; 31, shell; 32, rotating grinding plate; 321, grinding plate one; 322, connecting cylinder; 323, driven gear; 324, heat conduction cylinder; 325, motor two; 326, driving gear; 327, fixed gear; 33, fixed grinding plate; 331, connecting plate; 332, grinding plate two; 333, inclined plate; 34, inner side cylinder; 35, outer side cylinder. DETAILED DESCRIPTION

[0034] The application will be further described in detail below with reference to the accompanying drawings.

[0035] The application discloses a polyacrylamide grinding device facilitating feeding, which refers to Figure 1 and Figure 2 comprises a feeding mechanism 1, a conveying mechanism 2 and a grinding mechanism 3. The conveying mechanism 2 is connected to the feeding mechanism 1 at one end and connected to the grinding mechanism 3 at the other end. The user can pour the polyacrylamide to be ground into the feeding mechanism 1, so that the conveying mechanism 2 pours the polyacrylamide into the grinding mechanism 3, and the grinding mechanism 3 grinds the polyacrylamide into smaller particles.

[0036] Referring to Figure 1 and Figure 2 , the feeding mechanism 1 comprises a hopper 11 and a sealing cover 12. The hopper 11 is in a funnel structure, and the conveying mechanism 2 is connected to the hopper 11. The user can pour the polyacrylamide into the hopper 11, so that the conveying mechanism 2 pours the polyacrylamide in the hopper 11 into the grinding mechanism 3. The sealing cover 12 is arranged on the hopper 11. During the conveying process of the conveying mechanism 2, the sealing cover 12 is arranged on the hopper 11, so as to reduce the probability of dust emission.

[0037] Referring to Figure 2 , the conveying mechanism 2 comprises an auger 21, a motor one 22 and a mounting cylinder 23. The mounting cylinder 23 is horizontally arranged. One end of the mounting cylinder 23 penetrates through the hopper 11 and is fixedly connected to the hopper 11. The other end of the mounting cylinder 23 is connected to the grinding mechanism 3. The auger 21 is coaxially arranged in the mounting cylinder 23. The two ends of the auger 21 are rotationally connected to the mounting cylinder 23. The motor one 22 is arranged outside the hopper 11. The output shaft of the motor one 22 penetrates through the hopper 11 and is coaxially connected to the auger 21. When the motor one 22 drives the auger 21 to rotate, the polyacrylamide in the hopper 11 can move in the mounting cylinder 23 and enter the grinding mechanism 3.

[0038] With reference to Figure 3 , Figure 4 and Figure 5 , the grinding mechanism 3 comprises a shell 31, a rotating grinding plate 32 and a fixed grinding plate 33, the mounting cylinder 23 penetrates and is fixed on the upper side of the shell 31, the rotating grinding plate 32 is rotationally connected in the shell 31, the fixed grinding plate 33 is fixed in the shell 31, a plurality of through holes are formed on the rotating grinding plate 32 and the fixed grinding plate 33, the polyacrylamide to be ground is poured into the shell 31 through the mounting cylinder 23 and falls on the rotating grinding plate 32, the polyacrylamide enters between the rotating grinding plate 32 and the fixed grinding plate 33 through the through holes of the rotating grinding plate 32, so that the rotating grinding plate 32 and the fixed grinding plate 33 can grind the polyacrylamide.

[0039] With reference to Figure 3 and Figure 6 , the rotating grinding plate 32 comprises a grinding plate one 321, a connecting cylinder 322 and a driven gear 323, the connecting cylinder 322 is a cylindrical structure, the connecting cylinder 322 is vertically arranged, the grinding plate one 321 is a circular plate, the grinding plate one 321 is coaxially connected to the lower bottom of the connecting cylinder 322, and the driven gear 323 is coaxially connected to the upper side of the connecting cylinder 322. A motor two 325 is arranged in the shell 31, a driving gear 326 is coaxially connected to the output shaft of the motor two 325, and the driving gear 326 is engaged with the driven gear 323. A plurality of fixed gears 327 are rotationally connected to the inner wall of the shell 31, the fixed gears 327 are engaged with the driven gear 323, and the plurality of fixed gears 327 and the driving gear 326 jointly support the driven gear 323, so that the grinding plate one 321 can rotate on the fixed grinding plate 33.

[0040] With reference to Figure 4 , the fixed grinding plate 33 comprises a connecting plate 331, a grinding plate two 332 and an inclined plate 333, the connecting plate 331 and the grinding plate two 332 are horizontally arranged, the inclined plate 333 is obliquely arranged, one end of the inclined plate 333 is fixed on the connecting plate 331, and the other end of the inclined plate 333 is fixed on the grinding plate two 332, the connecting plate 331 is fixed on the inner wall of the shell 31, and the grinding plate two 332 is a circular plate structure and coaxially abuts against the grinding plate one 321. A plurality of through holes are formed on the grinding plate one 321 and the grinding plate two 332, the grinding plate one 321 rotates on the grinding plate two 332 and achieves the effect of grinding the polyacrylamide.

[0041] With reference to Figure 5 , the connecting plate 331 is provided with an inner side cylinder 34 and an outer side cylinder 35, the inner side cylinder 34 and the outer side cylinder 35 are vertically and coaxially arranged, cooling oil is injected between the inner side cylinder 34 and the outer side cylinder 35, the cooling oil can cool the connecting plate 331, and the effect of reducing the temperature of the fixed grinding plate 33 is achieved. The water cooling pipe 4 is arranged between the inner side cylinder 34 and the outer side cylinder 35, circulating cooling water is introduced into the water cooling pipe 4, so that the cooling oil can maintain a lower temperature and exchange heat with the fixed grinding plate 33.

[0042] With reference to Figure 6 The rotating grinding plate 32 is provided with a heat conduction cylinder 324, which is in a cylindrical structure and coaxially sleeved on the connecting cylinder 322. The upper end of the heat conduction cylinder 324 is fixed on the driven gear 323, and the lower end extends into the space between the inner cylinder 34 and the outer cylinder 35. When the cooling oil is poured into the space between the inner cylinder 34 and the outer cylinder 35, the lower end of the heat conduction cylinder 324 is immersed in the cooling oil. The heat on the rotating grinding plate 32 is exchanged with the cooling oil through the heat conduction cylinder 324, so that the cooling oil and the water cooling pipe 4 can simultaneously exchange heat with the rotating grinding plate 32 and the fixed grinding plate 33, and the range of cooling by the cooling oil and the water cooling pipe 4 is improved.

[0043] The principle of the embodiment of the present application is that the conveying mechanism 2 is arranged between the feeding mechanism 1 and the grinding mechanism 3, so that the conveying mechanism 2 can pour the polyacrylamide in the hopper 11 into the grinding mechanism 3. The rotating grinding plate 32 is driven by the motor two 325 and rotates on the fixed grinding plate 33. The polyacrylamide can be ground into smaller particles between the rotating grinding plate 32 and the fixed grinding plate 33, so as to achieve the effect of grinding the polyacrylamide.

[0044] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application. Therefore, any equivalent changes made on the basis of the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A polyacrylamide grinding device for easy feeding, characterized in that: It includes a feeding mechanism (1), a conveying mechanism (2) and a grinding mechanism (3). One end of the conveying mechanism (2) is connected to the feeding mechanism (1) and the other end is connected to the grinding mechanism (3). The grinding mechanism (3) includes a housing (31), a rotating grinding plate (32) and a fixed grinding plate (33). The rotating grinding plate (32) is rotatably connected inside the housing (31), and the fixed grinding plate (33) is fixed inside the housing (31). The rotating grinding plate (32) abuts against the fixed grinding plate (33). A water cooling pipe (4) is provided inside the housing (31). The water cooling pipe (4) is installed on the fixed grinding plate (33). Both ends of the water cooling pipe (4) pass through the housing (31) and extend out. Circulating cooling water is introduced into the water cooling pipe (4).

2. The polyacrylamide grinding device for easy feeding according to claim 1, characterized in that: The rotating grinding plate (32) includes a grinding plate (321), a connecting cylinder (322), and a driven gear (323). The connecting cylinder (322) is a vertically arranged cylinder. The lower end of the connecting cylinder (322) is fixed to the grinding plate (321). The driven gear (323) is arranged above the connecting cylinder (322). A motor (325) is arranged inside the outer casing (31). A drive gear (326) is arranged on the output shaft of the motor (325). The drive gear (326) meshes with the driven gear (323).

3. The polyacrylamide grinding device for easy feeding according to claim 2, characterized in that: Multiple fixed gears (327) are rotatably connected inside the outer casing (31), and the fixed gears (327) mesh with the driven gears (323).

4. The polyacrylamide grinding device for easy feeding according to claim 2, characterized in that: The fixed grinding plate (33) includes a connecting plate (331), a second grinding plate (332), and an inclined plate (333). The connecting plate (331) and the second grinding plate (332) are horizontally arranged. One end of the inclined plate (333) is connected to the connecting plate (331), and the other end is connected to the second grinding plate (332). The connecting plate (331) is set higher than the second grinding plate (332), and the connecting plate (331) is fixed on the outer shell (31).

5. The polyacrylamide grinding device for easy feeding according to claim 4, characterized in that: The fixed grinding plate (33) is provided with an inner cylinder (34) and an outer cylinder (35). The inner cylinder (34) and the outer cylinder (35) are coaxially arranged on the connecting plate (331). Cooling oil is placed between the inner cylinder (34) and the outer cylinder (35). A water cooling pipe (4) is arranged between the inner cylinder (34) and the outer cylinder (35).

6. The polyacrylamide grinding device for easy feeding according to claim 5, characterized in that: A heat-conducting cylinder (324) is provided at the bottom of the driven gear (323), and the heat-conducting cylinder (324) is coaxially arranged between the inner cylinder (34) and the outer cylinder (35).

7. The polyacrylamide grinding device for easy feeding according to claim 1, characterized in that: The feeding mechanism (1) includes a hopper (11) and a sealing cover (12). The conveying mechanism (2) is connected to the hopper (11), and the sealing cover (12) is detachably connected to the hopper (11).

8. The polyacrylamide grinding device for easy feeding according to claim 7, characterized in that: The conveying mechanism (2) includes a spiral auger (21), a motor (22) and a mounting cylinder (23). One end of the mounting cylinder (23) is connected to the outer shell (31), and the other end is connected to the hopper (11). The spiral auger (21) is rotatably connected in the mounting cylinder (23). The housing of the motor (22) is fixed outside the hopper (11), and the output shaft of the motor (22) is connected to the spiral auger (21).