High-efficiency crushing device for compound fertilizer granulation

CN224822833UActive Publication Date: 2026-10-09史丹利化肥定西有限公司
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Patent Information

Application Number
CN202522359546.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-06
Publication Date
2026-10-09
Estimated Expiration
2035-11-06

AI Technical Summary

Technical Problem

[0005]本实用新型的目的是为了解决了现有技术中由于破碎方式单一,传统设备无法保证最终产品的颗粒均匀性,造成颗粒大小不一,影响后续的造粒质量的问题

Benefits of technology

[0013]与现有技术相比,本实用新型的优点和积极效果在于:

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to compound fertilizer manufacturing technical field provides a kind of efficient crushing device for compound fertilizer granulation, including main body, the outer surface of main body is annularly fixedly provided with several support seats, the upper surface of main body is fixedly provided with end cover, the surface of end cover is provided with novel crushing component, novel crushing component includes motor fixedly set in the center of the upper surface of end cover, the utility model is provided with novel crushing component, the output end of motor drives rotating rod, main drive wheel rotation, and main drive wheel drives auxiliary drive wheel rotation, auxiliary drive wheel drives circular sleeve, crushing roller rotation through circular rack, crushing roller carries out preliminary crushing to material and falls into the surface of conical cylinder, and it enters the position above spiral feeding pipe in order to extend and go down, with rotating rod synchronous drive conical cylinder, spiral feeding pipe rotation, spiral feeding pipe carries out secondary crushing grinding to preliminary crushing material, so that it forms the material of even size, improve the practicality of device.
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Description

Technical Field

[0001] This utility model relates to the field of compound fertilizer manufacturing technology, and in particular to a high-efficiency crushing device for compound fertilizer granulation. Background Technology

[0002] Fertilizers are substances that provide one or more essential nutrients for plants, improve soil properties, and enhance soil fertility. They are one of the material foundations of agricultural production. Currently, compound fertilizers are often produced using the granulation process. This process mainly involves mixing urea, ammonium chloride, ammonium phosphate, potassium chloride, etc., and then granulating them in a granulator at a certain temperature, relying on the viscosity of the materials themselves and the addition of an appropriate amount of binder. The granules are then dried, cooled, and screened to produce compound fertilizer products. However, the production process of these compound fertilizers produces a certain amount of large particles that exceed national standards, requiring crushing equipment for regranulation.

[0003] For example, CN219682701U discloses a high-efficiency crushing device for preparing compound fertilizer, including a crushing box. A screen plate is fixedly connected to the left side of the crushing box, and a fixed column is slidably connected to the middle right side of the screen plate. A fixed seat is fixedly connected to the bottom end of the fixed column, and a spring is provided on the outside of the fixed column. A movable plate is slidably connected to the outside of the fixed column. A fixed plate is fixedly connected to the right side of the crushing box, and a second motor is fixedly connected to the top of the fixed plate. A second rotating rod is fixedly connected to the drive end of the second motor, and a cam is fixedly connected to the outside of the second rotating rod. This invention achieves automatic cleaning of fertilizer adhering to the inner wall of the crushing box, causing it to fall to the top of the screen plate, ensuring the normal operation of the equipment. It also enables screening and automatic secondary crushing of the crushed fertilizer, avoiding the hassle of manually screening large particles that are not completely crushed.

[0004] However, in the current technology, the traditional crushing device is limited by the single crushing method. The traditional equipment cannot guarantee the uniformity of the final product particles, resulting in inconsistent particle size, which affects the subsequent granulation quality and thus limits the practicality of the device to a certain extent. Utility Model Content

[0005] The purpose of this invention is to solve the problem that in the existing technology, due to the single crushing method, traditional equipment cannot guarantee the uniformity of the final product particles, resulting in inconsistent particle sizes and affecting the subsequent granulation quality.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a high-efficiency crushing device for compound fertilizer granulation, comprising a main body, wherein a plurality of support seats are fixedly arranged in a ring on the outer surface of the main body, an end cover is fixedly arranged on the upper surface of the main body, and a novel crushing component is arranged on the surface of the end cover. The novel crushing component includes a motor fixedly arranged at the center of the upper surface of the end cover, a rotating rod is driven at the output end of the motor, and a main drive wheel, a cone and a spiral feeding pipe are sequentially driven on the surface of the rotating rod from top to bottom. A circular sleeve is rotatably arranged at the upper position of the inner wall of the main body, and a plurality of crushing rollers are fixedly arranged in a ring on the inner wall of the circular sleeve. A circular rack is fixedly arranged at the upper position of the inner wall of the circular sleeve, and an auxiliary drive wheel is driven on one side of the lower surface of the end cover, and the auxiliary drive wheel is meshed and driven connected to the circular rack and the main drive wheel respectively.

[0007] In a preferred embodiment, the crushing roller is made of a heat-treated alloy material.

[0008] In a preferred embodiment, the outer surface of the cone is made of polytetrafluoroethylene.

[0009] In a preferred embodiment, the spiral feed tube is made of stainless steel and its surface is coated with polytetrafluoroethylene.

[0010] In a preferred embodiment, a feed inlet is fixedly provided on one side of the upper surface of the end cap.

[0011] In a preferred embodiment, the bottom end of the main body is funnel-shaped.

[0012] In a preferred embodiment, a discharge pipe is fixedly provided at the center of the lower surface of the main body, and a solenoid valve is provided on the surface of the discharge pipe.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] This invention features a novel crushing component. The motor's output drives the rotating rod and main drive wheel to rotate, which in turn drives the auxiliary drive wheel. The auxiliary drive wheel, via a circular rack, drives the circular sleeve and crushing roller to rotate. The crushing roller performs initial crushing of the material, which falls onto the surface of the cone and then flows downwards into the upper part of the spiral feeding pipe. Simultaneously, the rotating rod drives the cone and spiral feeding pipe to rotate, and the spiral feeding pipe performs secondary crushing and grinding on the initially crushed material, resulting in uniformly sized particles, thus improving the practicality of the device. Attached Figure Description

[0015] Figure 1 A three-dimensional structural diagram of a high-efficiency crushing device for compound fertilizer granulation provided by this utility model;

[0016] Figure 2 A three-dimensional orthosectional view of a high-efficiency crushing device for compound fertilizer granulation provided by this utility model;

[0017] Figure 3 A three-dimensional top cross-sectional view of a high-efficiency crushing device for compound fertilizer granulation provided by this utility model;

[0018] Figure 4 This utility model provides a high-efficiency crushing device for compound fertilizer granulation. Figure 3 An enlarged schematic diagram of the structure at point A in the middle.

[0019] Legend:

[0020] 1. Main body; 2. Support base; 3. Discharge pipe; 4. Solenoid valve; 5. End cap; 6. Feed port; 7. Motor; 8. Rotating rod; 9. Conical cylinder; 10. Spiral feed pipe; 11. Main drive wheel; 12. Auxiliary drive wheel; 13. Circular sleeve; 14. Crushing roller; 15. Circular rack. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-4This utility model provides a technical solution: a high-efficiency crushing device for compound fertilizer granulation, comprising a main body 1, with a plurality of support seats 2 fixedly arranged in a ring on the outer surface of the main body 1, an end cover 5 fixedly arranged on the upper surface of the main body 1, and a novel crushing component arranged on the surface of the end cover 5. The novel crushing component includes a motor 7 fixedly arranged at the center of the upper surface of the end cover 5, a rotating rod 8 driven at the output end of the motor 7, and a main drive wheel 11, a cone 9, and a spiral feeding pipe 10 sequentially arranged from top to bottom on the surface of the rotating rod 8. A circular sleeve 13 is rotatably arranged at the upper position of the inner wall of the main body 1, and a plurality of crushing rollers 14 are fixedly arranged in a ring on the inner wall of the circular sleeve 13. A crushing roller 14 is fixedly arranged at the upper position of the inner wall of the circular sleeve 13. A circular rack 15 and an auxiliary drive wheel 12 are driven on one side of the lower surface of the end cap 5. The auxiliary drive wheel 12 is meshed and connected to the circular rack 15 and the main drive wheel 11. The output end of the motor 7 drives the rotating rod 8 and the main drive wheel 11 to rotate. The main drive wheel 11 drives the auxiliary drive wheel 12 to rotate. The auxiliary drive wheel 12 drives the circular sleeve 13 and the crushing roller 14 to rotate through the circular rack 15. The crushing roller 14 performs preliminary crushing on the material and it falls onto the surface of the cone 9 and flows down into the upper position of the spiral feeding pipe 10. The rotating rod 8 drives the cone 9 and the spiral feeding pipe 10 to rotate synchronously. The spiral feeding pipe 10 performs secondary crushing and grinding on the preliminary crushed material to form material with uniform particle size.

[0023] like Figure 1-4 As shown, the crushing roller 14 is made of heat-treated alloy material, the outer surface of the cone 9 is made of polytetrafluoroethylene (PTFE), and the spiral feed tube 10 is made of stainless steel with a PTFE coating. By using heat-treated alloy material to manufacture the crushing roller 14, its wear resistance and strength are improved. The outer surface of the cone 9 is made of PTFE, which has good anti-adhesion and corrosion resistance. The spiral feed tube 10 is made of stainless steel, which, combined with the PTFE coating, further enhances its wear resistance and cleanability.

[0024] like Figure 1-4 As shown, a feed inlet 6 is fixedly installed on one side of the upper surface of the end cap 5, the bottom of the main body 1 is funnel-shaped, and a discharge pipe 3 is fixedly installed at the center of the lower surface of the main body 1. A solenoid valve 4 is installed on the surface of the discharge pipe 3. By fixing the feed inlet 6 on one side of the end cap 5 and designing the bottom of the main body 1 as a funnel, the smooth flow and rapid guidance of materials are ensured. At the same time, the combination of the discharge pipe 3 fixedly installed at the center of the lower surface of the main body 1 and the solenoid valve 4 makes the discharge process more efficient and controllable, thereby improving the flexibility and accuracy of the overall operation.

[0025] Working principle: In use, motor 7 is started first, and then the material to be processed is added into the main body 1 through the feed port 6. The output end of motor 7 drives the rotating rod 8 and the main drive wheel 11 to rotate. The main drive wheel 11 drives the auxiliary drive wheel 12 to rotate. The auxiliary drive wheel 12 drives the circular sleeve 13 and the crushing roller 14 to rotate through the circular rack 15. The crushing roller 14 performs preliminary crushing of the material and it falls onto the surface of the cone 9. Since the surface of the cone 9 is made of polytetrafluoroethylene, the material falling onto the surface of the cone 9 will slide freely into the gap formed between the cone 9 and the main body 1, and then fall into the position above the spiral feeding pipe 10. At the same time, the rotating rod 8 synchronously drives the cone 9 and the spiral feeding pipe 10 to rotate. The spiral feeding pipe 10 performs secondary crushing and grinding of the preliminary crushed material. The ground and pulverized material will fall into the funnel. The solenoid valve 4 is activated, and the material will be discharged to the outside through the discharge pipe 3. The overall structure is simple and easy to operate, and it is suitable for large-scale application and promotion.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A high-efficiency crushing device for compound fertilizer granulation, comprising a main body (1), characterized in that: The outer surface of the main body (1) is fixedly provided with several support seats (2) in a ring shape. The upper surface of the main body (1) is fixedly provided with an end cap (5). The surface of the end cap (5) is provided with a new type of crushing component. The new type of crushing component includes a motor (7) fixedly provided at the center of the upper surface of the end cap (5). The output end of the motor (7) is provided with a rotating rod (8). The surface of the rotating rod (8) is provided with a main drive wheel (11), a cone (9) and a spiral feeding pipe (10) in sequence from top to bottom. A circular sleeve (13) is rotatably provided at the upper position of the inner wall of the main body (1). The inner wall of the circular sleeve (13) is fixedly provided with several crushing rollers (14) in a ring shape. A circular rack (15) is fixedly provided at the upper position of the inner wall of the circular sleeve (13). An auxiliary drive wheel (12) is provided on one side of the lower surface of the end cap (5). The auxiliary drive wheel (12) is meshed and connected to the circular rack (15) and the main drive wheel (11) respectively.

2. The high-efficiency crushing device for compound fertilizer granulation according to claim 1, characterized in that: The crushing roller (14) is made of heat-treated alloy material.

3. The high-efficiency crushing device for compound fertilizer granulation according to claim 1, characterized in that: The outer surface of the cone tube (9) is made of polytetrafluoroethylene.

4. The high-efficiency crushing device for compound fertilizer granulation according to claim 1, characterized in that: The spiral feed tube (10) is made of stainless steel and its surface is coated with polytetrafluoroethylene.

5. The high-efficiency crushing device for compound fertilizer granulation according to claim 1, characterized in that: A feed inlet (6) is fixedly provided on one side of the upper surface of the end cap (5).

6. The high-efficiency crushing device for compound fertilizer granulation according to claim 1, characterized in that: The bottom of the main body (1) is funnel-shaped.

7. The high-efficiency crushing device for compound fertilizer granulation according to claim 1, characterized in that: A discharge pipe (3) is fixedly installed at the center of the lower surface of the main body (1), and a solenoid valve (4) is installed on the surface of the discharge pipe (3).

Citation Information

Patent Citations

  • Efficient crushing device for preparing compound fertilizer

    CN219682701U