A multi-stage screening and impurity removal device for organic fertilizer

Abstract

This utility model discloses a multi-stage screening and impurity removal device for organic fertilizer, relating to the field of organic fertilizer screening technology. It includes a vibrating screen frame, a vibrating motor housing, a pump, and a discharge electric control valve. A feed hopper is fixedly connected to the top periphery of the vibrating screen frame. The vibrating motor housing is longitudinally and movably connected to the upper front side of the vibrating screen frame. A ventilation and dustproof mesh groove is formed around the outer surface of the vibrating motor housing. A vibrating screen assembly is movably connected to the middle of the front end inside the vibrating motor housing. Several vibrating motors are longitudinally and movably connected to the rear end of the vibrating screen assembly. A vibrating rod is movably connected to the output shaft of the inner wall surface of the vibrating motor. A vibrating screen frame is movably connected to the outer surface of the vibrating rod. A screening mesh frame is fixedly connected to the lower left and right ends of the outer surface of the vibrating screen frame. Several multi-specification screening mesh layers are fixedly connected to the inner surface of the screening mesh frame. Several impurity extraction plate grooves are laterally formed on the upper left side of the vibrating screen frame. Impurity extraction plates are movably connected to the inner wall surface of the impurity extraction plate grooves.

Description

Technical Field

[0001] This utility model relates to the field of organic fertilizer screening technology, specifically a multi-stage screening and impurity removal device for organic fertilizer. Background Technology

[0002] Organic fertilizers are primarily derived from plants and animals, and their main function when applied to the soil is to provide nutrients to plants. Processed from biological matter, animal and plant waste, and plant residues, they eliminate toxic and harmful substances and are rich in various organic acids, peptides, and abundant nutrients including nitrogen, phosphorus, and potassium. They not only provide comprehensive nutrition for crops but also have a long-lasting effect, increasing and renewing soil organic matter, promoting microbial reproduction, and improving the soil's physical, chemical, and biological properties. They are a key nutrient source for green food production.

[0003] In the production of organic fertilizer, due to the wide variety and complex composition of raw materials, various impurities such as stones, plastic fragments, and metal objects are often mixed in. The presence of these impurities seriously affects the quality and effectiveness of organic fertilizer. However, most current screening devices are not thorough enough in removing impurities, especially fine impurities that can easily mix into qualified organic fertilizer products. In addition, some screening devices are prone to clogging during operation, requiring frequent shutdowns for cleaning, which greatly reduces production efficiency and increases production costs. Utility Model Content

[0004] The purpose of this invention is to provide a multi-stage screening and impurity removal device for organic fertilizers, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A multi-stage screening and impurity removal device for organic fertilizer includes a vibrating screen frame, a vibrating motor housing, a pump, and a discharge electric control valve. A feed hopper is fixedly connected to the top periphery of the vibrating screen frame. The vibrating motor housing is longitudinally and movably connected to the upper front side of the vibrating screen frame. A ventilation and dustproof mesh groove is formed around the outer surface of the vibrating motor housing. A vibrating screen assembly is movably connected to the middle of the front front end inside the vibrating motor housing. Several vibrating motors are longitudinally and movably connected to the rear end of the vibrating screen assembly. A vibrating rod is movably connected to the output shaft of the inner wall surface of the vibrating motor. A vibrating screen frame is movably connected to the outer surface of the vibrating rod. A screening mesh frame is fixedly connected to the lower left and right ends of the outer surface of the vibrating screen frame. Several multi-specification screening mesh layers are fixedly connected to the inner surface of the screening mesh frame. Several impurity extraction plate grooves are laterally formed on the upper left side of the vibrating screen frame. Impurity extraction plates are movably connected to the inner wall surface of the impurity extraction plate grooves. The number of components for both the vibrating motors and the impurity extraction plate grooves is three sets.

[0006] As a further embodiment of this utility model: the impurity extraction plate is movably connected to the impurity extraction diversion tube at the left end, and the impurity extraction merging tube is fixedly connected between the middle of the left end of the impurity extraction diversion tube, and the number of impurity extraction diversion tubes is divided into three, with three in each group.

[0007] As a further embodiment of this utility model: a suction pipe is fixedly connected between the middle of the left end of the impurity extraction confluence pipe, and a suction pump is movably connected to the lower side of the outer surface of the suction pipe.

[0008] As a further embodiment of this utility model: a discharge pipe is movably connected to the bottom left end of the pump, a cover plate is movably connected to the lower outer surface of the discharge pipe by threads, a sealing sheet is movably connected to the inner wall surface of the bottom outer periphery of the cover plate, and a glass bottle for storing impurities is movably connected to the bottom outer side of the cover plate by threads.

[0009] As a further embodiment of this utility model: the bottom end of the vibrating screen frame is movably connected to the finished waste material feeding inclined panel, and the bottom middle end of the vibrating screen frame is fixedly connected to the finished material feeding pipe.

[0010] As a further embodiment of this utility model: a feeding electric control valve is movably connected to the upper part of the outer surface of the finished product feeding pipe, and a drive motor is movably connected to the middle of the left end of the feeding electric control valve.

[0011] As a further embodiment of this utility model: the inner wall surface of the drive motor is connected to the valve flipping drive shaft via a drive shaft coupling, and the outer surface of the valve flipping drive shaft is movably connected to the valve on the inner surface of the finished product feeding pipe.

[0012] As a further embodiment of this utility model: the outer right side of the valve flip drive shaft is movably connected to the drive shaft ball bearing at the middle of the right end of the inner side of the feeding electric control valve, and the bottom periphery of the finished product feeding pipe is fixedly connected to the feeding hopper.

[0013] As a further improvement of this utility model: the right end of the vibrating screen frame is provided with several visual glass windows, and the number of visual glass windows is three.

[0014] Compared with the prior art, the beneficial effects of this utility model are: 1. Organic fertilizer raw materials fall from the feed hopper onto the top layer of the multi-specification screening mesh with the largest aperture inside the vibrating screen frame. After the three sets of vibrating motors start sequentially, they drive the vibrating rods connected to the output shafts of the motors to vibrate at high frequency. The ventilation and dustproof mesh slots in the motor housing dissipate heat from the three sets of vibrating motors inside the motor housing through air convection. Simultaneously, the dustproof mesh prevents dust from entering the vibrating motors, preventing entanglement and short circuits. The vibrating screen frame is triangular and fits over the outer surface of the vibrating rods. The screening mesh frame is installed on the lower left and right ends of the outer surface of the vibrating screen frame. The multi-specification screening mesh layers are installed on the inner surface of the screening mesh frame. When the vibrating rods vibrate at high frequency, the screening mesh frame vibrates through the vibrating screen frame. The three sets of multi-specification screening mesh layers of different sizes form a multi-stage screening process, simultaneously completing coarse, medium, and fine screening. The largest multi-specification screening mesh layer screens the organic fertilizer first, while the second and third layers perform medium and fine screening operations, respectively. During screening, the material is dispersed under vibration. Fine particles fall through the upper multi-specification screening mesh layer, while larger particles and impurities such as stones and straw remain on the surface. Particles passing through the coarse screen still contain smaller impurities, which, due to gravity, pass through the medium and fine screens and fall onto the multi-specification screening mesh layer with progressively smaller apertures. This screening process is repeated, achieving particle size classification. The smallest organic fertilizer particles fall from the bottom multi-specification screening mesh layer and enter subsequent processes through the inner cavity of the vibrating screen frame. This multi-stage screening design allows for more precise material classification, more thorough separation of materials of different sizes, improved production efficiency, and a high degree of automation, reducing manual operation, lowering labor intensity, improving work safety, effectively removing impurities, and enhancing the purity and quality of organic fertilizer, meeting market demands and strengthening competitiveness.

[0015] 2. Start the drive motor of the feeding solenoid valve. Through the coupling of the drive motor output shaft, drive the valve tilting drive shaft to rotate. The valve is installed on the outer surface of the valve tilting drive shaft and the inner surface of the finished product feeding pipe. The rotation of the valve tilting drive shaft completes the tilting action, controlling the outflow of material. This ensures that the material can be quickly released when needed, while maintaining a seal when not needed. The ball bearing of the drive shaft reduces the friction of the valve tilting drive shaft, improves the drive efficiency, and thus ensures the stable operation of the valve tilting drive shaft. This improves the overall operating efficiency and service life of the system, allowing the material to be discharged from the feeding hopper. The use of the solenoid valve allows for precise control of the feeding process as needed, adapting to different production requirements, reducing resource waste. Automated control and efficient operation of the equipment significantly reduce the reliance on manpower in the production process, reducing operating costs. The ball bearing and detachable structure in the design facilitate the cleaning and maintenance of the equipment, ensuring long-term stable operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a multi-stage screening and impurity removal device for organic fertilizer.

[0017] Figure 2 This is a cross-sectional schematic diagram of the vibrating screen frame in a multi-stage screening and impurity removal device for organic fertilizer.

[0018] Figure 3 This is a schematic diagram of the impurity extraction component in a multi-stage screening and impurity removal device for organic fertilizer.

[0019] Figure 4 This is a plan view of the vibrating screen frame in a multi-stage screening and impurity removal device for organic fertilizer.

[0020] Figure 5 This is a left-side plan view of the vibrating screen assembly in a multi-stage screening and impurity removal device for organic fertilizer.

[0021] In the diagram: 1-Vibrating screen frame, 2-Feed hopper, 3-Vibrating motor box, 4-Motor box ventilation and dustproof mesh groove, 5-Vibrating screen assembly, 6-Vibrating motor, 7-Vibrating rod, 8-Vibrating screen frame, 9-Screening mesh frame, 10-Multi-specification screening mesh layer, 11-Impurity extraction plate groove, 12-Impurity extraction plate, 13-Impurity extraction diversion pipe, 14-Impurity extraction confluence pipe, 15-Extraction pipe, 16-Extraction pump, 17-Discharge pipe, 18-Cover plate, 19-Sealing sheet, 20-Impurity storage glass bottle, 21-Finished waste material discharge inclined panel, 22-Finished material discharge pipe, 23-Discharge electric control valve, 24-Drive motor, 25-Valve tilt drive shaft, 26-Valve, 27-Drive shaft ball bearing, 28-Discharge hopper, 29-Visual glass window. Detailed Implementation

[0022] Please see Figures 1-5In this embodiment of the utility model, a multi-stage screening and impurity removal device for organic fertilizer includes a vibrating screen frame 1, a feeding hopper 2, a vibrating motor box 3, a ventilation and dustproof mesh groove for the motor box 4, a vibrating screen assembly 5, a vibrating motor 6, a vibrating rod 7, a vibrating screen frame 8, a screening mesh frame 9, a multi-specification screening mesh layer 10, an impurity extraction plate groove 11, an impurity extraction plate 12, an impurity extraction diversion pipe 13, an impurity extraction merging pipe 14, an extraction pipe 15, an extraction pump 16, a discharge pipe 17, a cover plate 18, a sealing sheet 19, an impurity storage glass bottle 20, a finished product waste discharge inclined plate 21, a finished product discharge pipe 22, a discharge electric control valve 23, a drive motor 24, a valve tilting drive shaft 25, a valve 26, a drive shaft ball bearing 27, a discharge hopper 28, and a visualization glass window 29. The top periphery of the vibrating screen frame 1 is fixedly connected to the feed hopper 2. The front upper side of the vibrating screen frame 1 is longitudinally movably connected to the vibrating motor box 3. The outer surface of the vibrating motor box 3 is surrounded by a ventilation and dustproof mesh groove 4. The vibrating screen assembly 5 is movably connected to the middle of the front end inside the vibrating motor box 3. Several vibrating motors 6 are longitudinally movably connected to the rear end of the vibrating screen assembly 5. The output shaft of the vibrating motor 6 is movably connected to the vibrating rod 7. The outer surface of the vibrating rod 7 is movably connected to the vibrating screen frame 8. The lower sides of the left and right ends of the outer surface of the vibrating screen frame 8 are fixedly connected to the screening mesh frame 9. Several multi-specification screening mesh layers 10 are fixedly connected to the inner surface of the screening mesh frame 9. Several impurity extraction plate grooves 11 are laterally opened on the upper left side of the vibrating screen frame 1. The inner wall surface is movably connected to the impurity extraction plate 12, and the number of components of the vibration motor 6 and the impurity extraction plate groove 11 are all in three groups. The left end of the impurity extraction plate 12 is movably connected to the impurity extraction diversion pipe 13. The middle of the left end of the impurity extraction diversion pipe 13 is fixedly connected to the impurity extraction confluence pipe 14, and the number of impurity extraction diversion pipes 13 is divided into three groups of three. The middle of the left end of the impurity extraction confluence pipe 14 is fixedly connected to the extraction pipe 15. The lower side of the outer surface of the extraction pipe 15 is movably connected to the extraction pump 16. The left end of the bottom of the extraction pump 16 is movably connected to the discharge pipe 17. The lower side of the outer surface of the discharge pipe 17 is threadedly connected to the cover plate 18. The inner wall surface of the bottom periphery of the cover plate 18 is movably connected to the sealing plate 19. The bottom outer thread of the 18 is movably connected to the impurity storage glass bottle 20. The bottom end of the vibrating screen frame 1 is movably connected to the finished waste discharge inclined plate 21. The bottom middle of the vibrating screen frame 1 is fixedly connected to the finished product discharge pipe 22. The upper part of the outer surface of the finished product discharge pipe 22 is movably connected to the discharge solenoid valve 23. The middle of the left end of the discharge solenoid valve 23 is movably connected to the drive motor 24. The inner wall surface of the drive motor 24 is driven by the drive shaft, which is rotatably connected to the valve flipping drive shaft 25. The outer surface of the valve flipping drive shaft 25 is movably connected to the inner surface of the finished product discharge pipe 22, which is connected to the valve 26. The right side of the outer surface of the valve flipping drive shaft 25 is movably connected to the drive shaft ball bearing 27 at the middle of the right end of the discharge solenoid valve 23.The bottom periphery of the finished product feeding pipe 22 is fixedly connected to the feeding hopper 28. The right end of the vibrating screen frame 1 has three horizontally opened visual glass windows 29.

[0023] The working principle of this utility model is as follows: When in use, the organic fertilizer raw material first falls from the feed hopper 2 onto the uppermost multi-specification screening mesh layer 10 with the largest aperture inside the vibrating screen frame 1. After the three sets of vibrating motors 6 are started sequentially, they drive the vibrating rods 7, which are connected to the output shafts of the vibrating motors 6, to vibrate at high frequency. The ventilation and dustproof mesh slots 4 of the motor housing dissipate heat from the three sets of vibrating motors 6 inside the vibrating motor housing 3 through air convection. Simultaneously, the dustproof mesh prevents dust from entering the vibrating motors 6, preventing short circuits. The vibrating screen frame 8 is triangular and fits over the outer surface of the vibrating rods 7. The screening mesh frame 9 is installed on the lower left and right ends of the outer surface of the vibrating screen frame 8. The multi-specification screening mesh layer 10 is installed on the inner surface of the screening mesh frame 9. When the vibrating rods 7 vibrate at high frequency, the vibrating screen frame 8 causes the screening mesh frame 9 to vibrate. The multi-specification screening mesh layers 10 of different specifications form a multi-stage screening system, which can simultaneously complete coarse screening, medium screening, and fine screening. The largest specification multi-specification screening mesh layer 10 screens organic fertilizer first, while the second and third layers perform medium screening and fine screening operations, respectively. During screening, the material is dispersed under the action of vibration. Fine particles fall through the upper multi-specification screening mesh layer 10, while larger particles and impurities such as stones and straw remain on the surface of the upper multi-specification screening mesh layer 10. The particles that pass through the coarse screening still contain small impurities. Due to gravity, they pass through the medium and fine screening and fall onto the multi-specification screening mesh layers 10 with progressively smaller apertures. The screening process is repeated to achieve particle grading according to particle size. The smallest organic fertilizer particles fall from the bottom multi-specification screening mesh layer 10 and enter the subsequent process through the inner cavity of the vibrating screen frame 1.After screening, larger particles and impurities remain on the three-layer multi-specification screening mesh 10. In the multi-stage screening and impurity removal device for organic fertilizer, three sets of visual glass windows 29 are installed on the right side of the screening box 1, allowing operators to directly observe the distribution of organic fertilizer materials on the screen, screening efficiency, impurity separation effect, and whether the equipment is stuck, etc., thus starting the pump 16. After the pump 16 starts, it generates negative pressure, which is transmitted to the impurity extraction confluence pipe 14 through the extraction pipe 15. The impurity extraction diversion pipe 13 is located on the right side of the impurity extraction confluence pipe 14, dividing the suction force of the impurity extraction confluence pipe 14. The three portions of suction force from the impurity extraction diversion pipe 13 are then distributed to the impurity extraction plate 12 via the impurity extraction diversion pipe 13. The impurity extraction plate 12 is positioned within the impurity extraction plate groove 11, which is horizontally opened slightly above the left end of the vibrating screen frame 1. Each set of impurity extraction plates 12 corresponds to each layer of multi-specification screening mesh 10, extracting impurities from the surface of each layer of multi-specification screening mesh 10. The impurity extraction plate 12 draws impurities into the impurity extraction diversion pipe 13, merges them through the impurity extraction merging pipe 14, and enters the extraction pipe 15. The impurities are then discharged into the discharge pipe 17 by the pump 16. Through the discharge pipe 17, the impurities are transported... When the impurities are abundant in the glass bottle 20, the cover plate 18 can be unscrewed to clean the impurities inside the glass bottle 20, facilitating subsequent processing, collection, and cleaning, and maintaining the cleanliness of the surrounding environment. The sealing plate 19 is sandwiched between the cover plate 18 and the glass bottle 20 to ensure the airtightness of the glass bottle 20. The finished waste discharge inclined plate 21 is located on the bottom side of the inside of the vibrating screen frame 1, using gravity to help the screened material flow smoothly to the finished product discharge pipe 22. Finally, the drive motor 24 of the discharge electric control valve 23 is started, and the drive motor 24... The output shaft coupling drives the valve tilting drive shaft 25 to rotate. The valve 26 is mounted on the outer surface of the valve tilting drive shaft 25 and the inner surface of the finished product discharge pipe 22. The rotation of the valve tilting drive shaft 25 completes the tilting action, controlling the material flow and ensuring rapid discharge when needed while maintaining a seal when not in use. The drive shaft ball bearing 27 reduces friction on the valve tilting drive shaft 25, improving drive efficiency and ensuring stable operation of the valve tilting drive shaft 25. This improves the overall system efficiency and service life, allowing the material to be discharged from the discharge hopper 28.

[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A multi-stage screening and impurity removal device for organic fertilizer, comprising a vibrating screen frame (1), a vibrating motor housing (3), a pump (16), and a discharge solenoid valve (23), characterized in that, The top periphery of the vibrating screen frame (1) is fixedly connected to the feed hopper (2). The front upper side of the vibrating screen frame (1) is longitudinally movably connected to the vibrating motor box (3). The outer surface of the vibrating motor box (3) is surrounded by a motor box ventilation and dustproof mesh groove (4). The vibrating screen assembly (5) is movably connected to the middle of the front end of the vibrating motor box (3). Several vibrating motors (6) are longitudinally movably connected to the rear end of the vibrating screen assembly (5). The output shaft of the vibrating motor (6) is movably connected to the vibrating rod (7). 7) The outer surface of the vibrating screen frame (8) is movably connected. The lower sides of the left and right ends of the outer surface of the vibrating screen frame (8) are fixedly connected to the screening mesh frame (9). The inner surface of the screening mesh frame (9) is fixedly connected to several multi-specification screening mesh layers (10). Several impurity extraction plate grooves (11) are opened horizontally on the upper left end of the vibrating screen frame (1). The inner wall surface of the impurity extraction plate groove (11) is movably connected to the impurity extraction plate (12). The number of components of the vibrating motor (6) and the impurity extraction plate groove (11) are three sets.

2. The multi-stage screening and impurity removal device for organic fertilizer according to claim 1, characterized in that, The impurity extraction plate (12) is movably connected to the impurity extraction diversion pipe (13) at the left end, and the impurity extraction merging pipe (14) is fixedly connected between the middle of the left end of the impurity extraction diversion pipe (13). The number of impurity extraction diversion pipes (13) is divided into three groups of three.

3. A multi-stage screening and impurity removal device for organic fertilizer according to claim 2, characterized in that, The impurity extraction confluence pipe (14) is fixedly connected to the middle of the left end of the extraction pipe (15), and the extraction pump (16) is movably connected to the lower side of the outer surface of the extraction pipe (15).

4. A multi-stage screening and impurity removal device for organic fertilizer according to claim 3, characterized in that, The bottom left end of the pump (16) is movably connected to the discharge pipe (17), the lower side of the outer surface of the discharge pipe (17) is movably connected to the cover plate (18), the inner wall surface of the bottom periphery of the cover plate (18) is movably connected to the sealing sheet (19), and the bottom outer side of the cover plate (18) is movably connected to the impurity storage glass bottle (20).

5. A multi-stage screening and impurity removal device for organic fertilizer according to claim 1, characterized in that, The bottom of the vibrating screen frame (1) is movably connected to the finished waste discharge inclined panel (21), and the bottom middle of the vibrating screen frame (1) is fixedly connected to the finished product discharge pipe (22).

6. A multi-stage screening and impurity removal device for organic fertilizer according to claim 5, characterized in that, The feeding tube (22) is movably connected to the feeding electric control valve (23) at the upper part of the outer surface, and the feeding electric control valve (23) is movably connected to the drive motor (24) at the middle of the left end inside.

7. A multi-stage screening and impurity removal device for organic fertilizer according to claim 6, characterized in that, The inner wall surface of the drive motor (24) is connected to the valve flip drive shaft (25) for rotational rotation. The outer surface of the valve flip drive shaft (25) is movably connected to the valve (26) on the inner surface of the finished product feeding pipe (22).

8. A multi-stage screening and impurity removal device for organic fertilizer according to claim 7, characterized in that, The outer right side of the valve flip drive shaft (25) is movably connected to the drive shaft ball bearing (27) at the middle of the right end inside the feeding solenoid valve (23), and the bottom periphery of the finished product feeding pipe (22) is fixedly connected to the feeding hopper (28).

9. A multi-stage screening and impurity removal device for organic fertilizer according to claim 1, characterized in that, The right end of the vibrating screen frame (1) is provided with several visual glass windows (29), and the number of visual glass windows (29) is three.

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