Crushing and screening device for fertilizer production
By designing a fertilizer production device with crushing, screening, and grinding mechanisms, the problem of low raw material utilization in traditional processes has been solved, achieving efficient integrated crushing, screening, and grinding, thereby improving fertilizer production efficiency and quality.
Patent Information
- Application Number
- CN202520034657.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Traditional fertilizer production processes have low utilization rates of raw materials, low production efficiency, and cannot achieve integrated crushing, screening, and grinding operations.
Design a device that includes crushing, screening and grinding mechanisms. The crushing is performed by driving the drum with an independent motor, the screening is performed by using a power transmission system consisting of belts and drive wheels, combined with a vibrating motor and screen, and the grinding is performed by grinding rollers and grinding sticks.
It improves the crushing efficiency and effectiveness of raw materials, ensures particle uniformity, increases the possibility of impurity removal, simplifies operation steps, and improves fertilizer quality.
Smart Images

Figure CN223788650U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of crushing and screening in fertilizer production, and in particular to a crushing and screening device for fertilizer production. 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. They mainly include ammonium phosphate fertilizers, water-soluble fertilizers containing macronutrients, fertilizers containing micronutrients, bio-fertilizers, organic fertilizers, and multi-dimensional energy-concentrated organic fertilizers.
[0003] Traditional fertilizer production processes have low utilization rates of raw materials, which may lead to resource waste, low production efficiency, and an inability to achieve integrated crushing, screening, and grinding operations. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a crushing and screening device for fertilizer production.
[0005] This utility model is achieved by the following technical solution: a crushing and screening device for fertilizer production, comprising a crushing mechanism, a screening mechanism, and a grinding mechanism, wherein the crushing mechanism is located at the top of the screening mechanism and the grinding mechanism is located on the outer wall of the screening mechanism;
[0006] The crushing mechanism includes a crushing box, with a feed inlet on the outer wall of the crushing box. A rotating shaft is located on one side of the crushing box, with a roller fixedly connected to one end of the rotating shaft. A secondary drive wheel is fixedly connected to the end of the rotating shaft away from the roller. A belt is fitted on the inner wall of the secondary drive wheel, with a main drive wheel located at one end of the belt. A motor is fixedly connected to one side of the main drive wheel.
[0007] A second rotating shaft is fixedly connected to the side of the crushing box away from the first rotating shaft. A second roller is fixedly connected to one end of the second rotating shaft. A second auxiliary drive wheel is fixedly connected to the side of the second rotating shaft away from the second roller. A second belt is sleeved on the inner wall of the second auxiliary drive wheel. A second main drive wheel is provided at one end of the second belt. A second motor is fixedly connected to one side of the second main drive wheel.
[0008] The above technical solution effectively improves the crushing efficiency and effect of raw materials. Independent motors one and two drive two drums respectively, which not only enhances crushing capacity but also allows for adjustments to different speeds or directions to accommodate the processing of different types of materials.
[0009] As a further improvement to the above scheme, the auxiliary drive wheel one is connected to the main drive wheel one by a belt one, the auxiliary drive wheel two is connected to the main drive wheel two by a belt two, the output end of the motor one is fixedly connected to the main drive wheel one, the output end of the main drive wheel two is fixedly connected to the motor two, and the outer side of the roller one is sleeved with the roller two.
[0010] The above technical solution utilizes a power transmission system composed of belts and drive pulleys to achieve efficient energy transfer and control. This design reduces mechanical wear, extends equipment lifespan, and ensures stable operation.
[0011] As a further improvement to the above scheme, the screening mechanism (2) includes a screening box (201), a discharge port (202) is provided at the top of the screening box (201), a support column (203) is provided on the inner wall of the screening box (201), a spring (208) is fixedly connected to one side of the support column (203), a fixing plate (204) is fixedly connected to the top of the spring (208), a screen (205) is fixedly connected to the top of the fixing plate (204), a discharge port (210) is fixedly connected to one end of the screen (205), a guide trough (206) is fixedly connected to the bottom of the fixing plate (204), a discharge port (209) is fixedly connected to one end of the guide trough (206), and a vibration motor (207) is fixedly connected to the bottom of the guide trough (206).
[0012] The top of the screening box (201) is fixedly connected to the crushing box (101), and a number of support columns (203) are provided. The number of springs (208) corresponds to the number of support columns (203).
[0013] The above technical solution enables efficient and precise separation of materials of different particle sizes. The spring buffers material impact, enhancing screening stability.
[0014] As a further improvement to the above scheme, the grinding mechanism (3) includes a grinding box (301), a motor (302) is fixedly connected to the top of the grinding box (301), a belt (303) is sleeved on the inner wall of the motor (302), a transmission wheel (304) is sleeved on the bottom of the belt (303), a rotating shaft (305) is fixedly connected to one end of the transmission wheel (304), a grinding roller (306) is fixedly connected to one end of the rotating shaft (305), a main gear (307) is fixedly connected to the side of the rotating shaft (305) away from the transmission wheel (304), a secondary gear (308) meshes with the inner wall of the main gear (307), a rotating shaft (309) is fixedly connected to one side of the secondary gear (308), and a grinding roller (310) is fixedly connected to the surface of the rotating shaft (309).
[0015] The outer wall of the grinding box (301) is fixedly connected to the screening box (201), and the output end of the motor (302) is connected to the transmission wheel (304) via the belt (303).
[0016] The above technical solution achieves a stable and efficient grinding process, enabling particles to be ground into powder again.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0018] This invention ensures the uniformity of particles and suitable size distribution of the final product through a three-stage processing flow of crushing, screening and grinding. The multi-stage processing also increases the possibility of removing impurities, facilitates the natural flow of materials, reduces energy consumption, simplifies operation steps, and improves fertilizer quality. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the crushing box structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the roller structure of this utility model;
[0022] Figure 4 This is a schematic diagram of the screen structure of this utility model;
[0023] Figure 5 This is a schematic diagram of the grinding roller structure of this utility model.
[0024] Explanation of key symbols:
[0025] 1. Crushing Mechanism; 101. Crushing Box; 102. Feed Inlet; 103. Rotating Shaft 1; 104. Drum 1; 105. Secondary Drive Wheel 1; 106. Belt 1; 107. Main Drive Wheel 1; 108. Motor 1; 109. Rotating Shaft 2; 110. Secondary Drive Wheel 2; 111. Drum 2; 112. Belt 2; 113. Main Drive Wheel 2; 114. Motor 2; 2. Screening Mechanism; 201. Screening Box; 202. Discharge Inlet; 20 3. Support column; 204. Fixing plate; 205. Screen; 206. Guide chute; 207. Vibration motor; 208. Spring; 209. Discharge port one; 210. Discharge port two; 3. Grinding mechanism; 301. Grinding box; 302. Motor three; 303. Belt three; 304. Transmission wheel three; 305. Rotating shaft three; 306. Grinding roller one; 307. Main gear; 308. Secondary gear; 309. Rotating shaft four; 310. Grinding roller two. Detailed Implementation
[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0027] Example:
[0028] Please combine Figure 1-5 This embodiment of a crushing and screening device for fertilizer production includes a crushing mechanism 1, a screening mechanism 2, and a grinding mechanism 3. The crushing mechanism 1 is located at the top of the screening mechanism 2, and the grinding mechanism 3 is located on the outer wall of the screening mechanism 2.
[0029] The crushing mechanism 1 includes a crushing box 101. The outer wall of the crushing box 101 is provided with a feed inlet 102. A rotating shaft 103 is provided on one side of the crushing box 101. A roller 104 is fixedly connected to one end of the rotating shaft 103. A secondary drive wheel 105 is fixedly connected to the end of the rotating shaft 103 away from the roller 104. A belt 106 is sleeved on the inner wall of the secondary drive wheel 105. A main drive wheel 107 is provided at one end of the belt 106. A motor 108 is fixedly connected to one side of the main drive wheel 107.
[0030] A second rotating shaft 109 is fixedly connected to the side of the crushing box 101 away from the rotating shaft 103. A second roller 111 is fixedly connected to one end of the second rotating shaft 109. A second auxiliary drive wheel 110 is fixedly connected to the side of the second rotating shaft 109 away from the roller 111. A second belt 112 is sleeved on the inner wall of the second auxiliary drive wheel 110. A second main drive wheel 113 is provided at one end of the second belt 112. A second motor 114 is fixedly connected to one side of the second main drive wheel 113.
[0031] The auxiliary drive wheel 105 is connected to the main drive wheel 107 via belt 106, the auxiliary drive wheel 110 is connected to the main drive wheel 113 via belt 112, the output end of the motor 108 is fixedly connected to the main drive wheel 107, the output end of the main drive wheel 113 is fixedly connected to the motor 114, and the outer side of the roller 104 is fitted with the roller 111.
[0032] The screening mechanism 2 includes a screening box 201. A discharge port 202 is provided at the top of the screening box 201. A support column 203 is provided on the inner wall of the screening box 201. A spring 208 is fixedly connected to one side of the support column 203. A fixing plate 204 is fixedly connected to the top of the spring 208. A screen 205 is fixedly connected to the top of the fixing plate 204. A discharge port 210 is fixedly connected to one end of the screen 205. A guide trough 206 is fixedly connected to the bottom of the fixing plate 204. A discharge port 209 is fixedly connected to one end of the guide trough 206. A vibration motor 207 is fixedly connected to the bottom of the guide trough 206.
[0033] The top of the screening box 201 is fixedly connected to the crushing box 101, and a number of support columns 203 are provided, with the number of springs 208 corresponding to the number of support columns 203.
[0034] The grinding mechanism 3 includes a grinding box 301. A motor 302 is fixedly connected to the top of the grinding box 301. A belt 303 is sleeved on the inner wall of the motor 302. A transmission wheel 304 is sleeved on the bottom of the belt 303. A rotating shaft 305 is fixedly connected to one end of the transmission wheel 304. A grinding roller 306 is fixedly connected to one end of the rotating shaft 305. A main gear 307 is fixedly connected to the side of the rotating shaft 305 away from the transmission wheel 304. A secondary gear 308 meshes with the inner wall of the main gear 307. A rotating shaft 409 is fixedly connected to one side of the secondary gear 308. A grinding roller 210 is fixedly connected to the surface of the rotating shaft 409.
[0035] The outer wall of the grinding box 301 is fixedly connected to the screening box 201, and the output end of the motor 302 is connected to the transmission wheel 304 via the belt 303.
[0036] The implementation principle of a crushing and screening device for fertilizer production in this embodiment is as follows: The user pours the raw material into the feed inlet 102. By controlling the current of motor 108 and motor 114, the rotational speed and direction between the rollers are controlled. Under the synergistic action of roller 104 and roller 111, the raw material is squeezed or collided, thereby achieving the effect of crushing the raw material. The crushed raw material falls into the screening box 201 through the discharge port 202. The vibration generated by the vibrating motor 207 helps the material pass through the screen 205, achieving particle size screening. Larger particles are pushed to the discharge port 210 due to vibration, while qualified fine particles flow through the guide chute 206 to the discharge port 209 and are discharged. Larger particles fall between the grinding roller 306 and grinding roller 310 and are ground into suitable powder. This improves the raw material utilization efficiency.
[0037] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.
Claims
1. A crushing and screening device for fertilizer production, characterized in that, It includes a crushing mechanism (1), a screening mechanism (2), and a grinding mechanism (3), wherein the crushing mechanism (1) is located at the top of the screening mechanism (2), and the grinding mechanism (3) is located on the outer wall of the screening mechanism (2); The crushing mechanism (1) includes a crushing box (101), the outer wall of which is provided with a feed inlet (102), a rotating shaft (103) is provided on one side of the crushing box (101), a roller (104) is fixedly connected to one end of the rotating shaft (103), a secondary drive wheel (105) is fixedly connected to one end of the rotating shaft (103) away from the roller (104), a belt (106) is sleeved on the inner wall of the secondary drive wheel (105), a main drive wheel (107) is provided at one end of the belt (106), and a motor (108) is fixedly connected to one side of the main drive wheel (107).
2. The crushing and screening device for fertilizer production as described in claim 1, characterized in that: The crushing box (101) is fixedly connected to a second rotating shaft (109) on the side away from the first rotating shaft (103). One end of the second rotating shaft (109) is fixedly connected to a second roller (111). The side of the second rotating shaft (109) away from the second roller (111) is fixedly connected to a second auxiliary drive wheel (110). The inner wall of the second auxiliary drive wheel (110) is fitted with a second belt (112). One end of the second belt (112) is provided with a second main drive wheel (113). One side of the second main drive wheel (113) is fixedly connected to a second motor (114).
3. The crushing and screening device for fertilizer production as described in claim 2, characterized in that: The auxiliary drive wheel one (105) is connected to the main drive wheel one (107) via belt one (106), the auxiliary drive wheel two (110) is connected to the main drive wheel two (113) via belt two (112), the output end of the motor one (108) is fixedly connected to the main drive wheel one (107), the output end of the main drive wheel two (113) is fixedly connected to the motor two (114), and the outer side of the roller one (104) is sleeved with roller two (111).
4. The crushing and screening device for fertilizer production as described in claim 1, characterized in that: The screening mechanism (2) includes a screening box (201), a discharge port (202) is provided at the top of the screening box (201), a support column (203) is provided on the inner wall of the screening box (201), a spring (208) is fixedly connected to one side of the support column (203), a fixing plate (204) is fixedly connected to the top of the spring (208), a screen (205) is fixedly connected to the top of the fixing plate (204), a discharge port (210) is fixedly connected to one end of the screen (205), a guide trough (206) is fixedly connected to the bottom of the fixing plate (204), a discharge port (209) is fixedly connected to one end of the guide trough (206), and a vibration motor (207) is fixedly connected to the bottom of the guide trough (206).
5. The crushing and screening device for fertilizer production as described in claim 4, characterized in that: The top of the screening box (201) is fixedly connected to the crushing box (101), and the number of the support columns (203) is set to a certain number, and the number of the springs (208) corresponds to the number of the support columns (203).
6. The crushing and screening device for fertilizer production as described in claim 1, characterized in that: The grinding mechanism (3) includes a grinding box (301), a motor (302) is fixedly connected to the top of the grinding box (301), a belt (303) is sleeved on the inner wall of the motor (302), a transmission wheel (304) is sleeved on the bottom of the belt (303), a rotating shaft (305) is fixedly connected to one end of the transmission wheel (304), a grinding roller (306) is fixedly connected to one end of the rotating shaft (305), a main gear (307) is fixedly connected to the side of the rotating shaft (305) away from the transmission wheel (304), a secondary gear (308) meshes with the inner wall of the main gear (307), a rotating shaft (309) is fixedly connected to one side of the secondary gear (308), and a grinding roller (310) is fixedly connected to the surface of the rotating shaft (309).
7. The crushing and screening device for fertilizer production as described in claim 6, characterized in that: The outer wall of the grinding box (301) is fixedly connected to the screening box (201), and the output end of the motor (302) is connected to the transmission wheel (304) via the belt (303).