A coating-controlled release fertilizer anti-floating treatment device

By designing a coating controlled-release fertilizer anti-floating treatment device that includes a mixing drum, a drive motor, and a scraper mechanism, the problems of uneven mixing and material adhesion were solved, achieving uniform mixing and efficient production.

CN224442759UActive Publication Date: 2026-07-03SHANDONG SHENGLIANG ECOLOGICAL ENGINEERING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG SHENGLIANG ECOLOGICAL ENGINEERING CO LTD
Filing Date
2025-08-06
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

The existing method of mixing coated controlled-release fertilizers and anti-floating agents relies on traditional mixing equipment, which leads to uneven mixing and material adhesion to the inner wall of the mixing drum, affecting the anti-floating effect and mixing efficiency.

Method used

A coating-controlled release fertilizer anti-floating treatment device is adopted, which includes a mixing drum, a drive motor, a transmission shaft, a stirring rod, and a scraper mechanism. The drive motor drives the stirring rod to rotate and is equipped with a scraper mechanism to ensure that the material is fully mixed and to scrape off the adhering material.

Benefits of technology

This method achieves uniform mixing of coated controlled-release fertilizer and anti-floating agent, reducing material waste and improving utilization and mixing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of anti-floating processing technology for coated controlled-release fertilizers, and more particularly to an anti-floating treatment device for coated controlled-release fertilizers. The device includes a mixing drum, a sealing cap fixedly connected to the top of the mixing drum via a flange, an mounting platform fixedly connected to the outer wall of the sealing cap, a drive motor fixedly mounted on the mounting platform, a drive shaft connected to the drive motor via a transmission structure, and a stirring rod fixedly mounted to the outer wall of the drive shaft via bolts. A rotatable scraper mechanism is provided on the stirring rod, and a drain pipe is provided at the bottom of the mixing drum. This utility model uses a drive motor to rotate the drive shaft and stirring rod, forming a highly efficient mixing structure that can fully mix the coated controlled-release fertilizer and anti-floating agent inside the mixing drum. The scraper mechanism on the stirring rod functions synchronously during the mixing process, rotating close to the inner wall of the mixing drum to promptly scrape off material adhering to the drum wall due to the stickiness of the anti-floating agent.
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Description

Technical Field

[0001] This utility model relates to the field of anti-floating processing technology for coated controlled-release fertilizers, and in particular to an anti-floating treatment device for coated controlled-release fertilizers. Background Technology

[0002] Organic microbial coated compound fertilizer is made by coating inorganic pure fertilizer with organic fertilizer, compound microorganisms, trace elements, polyglutamic acid, urease inhibitors, and nitrification inhibitors. It offers comprehensive nutrition, slow-release and long-lasting effects, high content, balanced fertility, improved soil granular structure, and enhanced microbial capacity to improve the soil ecosystem. Compared to other chemical fertilizers, it is a highly water-soluble premium fertilizer with high utilization rate. However, coated controlled-release fertilizers have strong buoyancy and are not prone to sinking, often requiring the mixing of an anti-floating agent.

[0003] To address the floating issue of coated controlled-release fertilizers, the industry typically adds anti-floating agents to the fertilizer. These agents bind with the fertilizer particles, increasing the fertilizer's specific gravity or altering its surface properties, thereby inhibiting floating. However, in existing processing methods, the mixing of coated controlled-release fertilizers and anti-floating agents often relies on traditional mixing equipment. This equipment frequently results in uneven mixing, preventing some fertilizer particles from fully contacting the anti-floating agent and affecting the anti-floating effect. More importantly, because anti-floating agents often have a certain degree of viscosity, a large amount of material tends to adhere to the inner wall of the mixing drum during mixing, leading to material waste and impacting subsequent mixing efficiency and quality. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing processing methods where the mixing of coated controlled-release fertilizer and anti-floating agent relies heavily on traditional mixing equipment. This equipment often results in uneven mixing, preventing some fertilizer particles from fully contacting the anti-floating agent and affecting the anti-floating effect. More importantly, because anti-floating agents are often viscous, a large amount of material tends to adhere to the inner wall of the mixing drum during mixing, leading to material waste and impacting subsequent mixing efficiency and quality. Therefore, this invention proposes a coated controlled-release fertilizer anti-floating treatment device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A coating-coated controlled-release fertilizer anti-floating treatment device includes a stirring drum. A sealing cap is fixedly connected to the top of the stirring drum via a flange. An installation platform is fixedly connected to the outer wall of the sealing cap. A drive motor is fixedly installed on the installation platform. The drive motor is connected to a drive shaft via a transmission structure. A stirring rod is fixedly installed on the outer wall of the drive shaft via bolts. A rotatable scraper mechanism is provided on the stirring rod. A drain pipe is provided at the bottom of the stirring drum. A connecting plate is fixedly connected to the bottom of the outer wall of the stirring drum. An installation groove is provided on the connecting plate.

[0007] Preferably, a feeding hopper is fixedly connected to the outer wall of the mixing drum, the feeding hopper is in communication with the mixing drum, the feeding hopper is used to add coated controlled-release fertilizer, and a feeding pipe is fixedly connected to the top of the sealing cap, the feeding pipe is used to add anti-floating agent.

[0008] Preferably, the transmission structure includes a chamber formed inside the sealing cap, a cylinder is fixedly connected to the output end of the drive motor, a first bevel gear is fixedly connected to the end of the cylinder away from the drive motor, and a second bevel gear is fixedly connected to the top of the transmission shaft.

[0009] Preferably, a support plate is fixedly connected to the inner wall of the chamber, the support plate is rotatably connected to the cylinder, and the cylinder passes through the outer wall of the sealing cap and is rotatably connected.

[0010] Preferably, the scraper mechanism includes a receiving groove formed at the top of the stirring rod, and limit holes are formed at both ends of the outer wall of the stirring rod. A scraper is rotatably connected to the inner wall of the end of the receiving groove away from the drive shaft. A limit rod is inserted into the limit hole, and a locking bolt is threaded to one end of the limit rod.

[0011] Preferably, the scraper has a through hole coaxially arranged with the left limiting hole at one end near the drive shaft, and a limiting rod in the right limiting hole can fix the scraper so that it is stable during operation. The other end of the limiting rod is movably connected to a pull ring, and a stop block is fixedly connected to the side wall of the scraper near the receiving groove, so that the scraper can rotate.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. In use, this invention uses a drive motor to rotate the transmission shaft and stirring rod, forming a highly efficient stirring structure that thoroughly mixes the coated controlled-release fertilizer and anti-floating agent within the mixing drum. Compared to the uneven mixing problems of traditional mixing equipment, this device allows for more comprehensive contact between fertilizer particles and the anti-floating agent, ensuring that the anti-floating agent adheres evenly to the fertilizer surface, thereby stably inhibiting floating and avoiding poor anti-floating effects caused by insufficient local mixing.

[0014] 2. In use, the scraper mechanism on the stirring rod functions simultaneously during the mixing process. The scraper rotates against the inner wall of the mixing drum, promptly scraping away material adhering to the drum wall due to the stickiness of the anti-floating agent, allowing this material to re-enter the mixing process. This design effectively reduces material waste, improves the utilization rate of coated controlled-release fertilizer and anti-floating agent, and lowers raw material loss costs during production. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a coating-controlled release fertilizer anti-floating treatment device proposed in this utility model;

[0016] Figure 2 This is a cross-sectional view of the stirring cylinder of a coating controlled-release fertilizer anti-floating treatment device proposed in this utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of the sealing cap of a coating controlled-release fertilizer anti-floating treatment device proposed in this utility model;

[0018] Figure 4 This is a cross-sectional view of the sealing cap of a coating controlled-release fertilizer anti-floating treatment device proposed in this utility model;

[0019] Figure 5 This is a three-dimensional structural diagram of the scraper mechanism of a coating controlled-release fertilizer anti-floating treatment device proposed in this utility model.

[0020] In the diagram: 1. Stirring drum; 2. Sealing cap; 3. Mounting platform; 4. Drive motor; 5. Transmission shaft; 6. Stirring rod; 7. Scraper mechanism; 8. Drain pipe; 9. Connecting plate; 10. Mounting groove; 11. Feeding hopper; 12. Feeding pipe; 13. Chamber; 14. Cylinder; 15. First bevel gear; 16. Second bevel gear; 17. Support plate; 18. Storage groove; 19. Limiting hole; 20. Scraper; 21. Limiting rod; 22. Locking bolt. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0022] Reference Figures 1-5A controlled-release fertilizer anti-floating treatment device includes a mixing drum 1. A sealing cap 2 is fixedly connected to the top of the mixing drum 1 via a flange. This flange connection ensures a tight seal between the mixing drum 1 and the sealing cap 2, while also facilitating disassembly and maintenance. A mounting platform 3 is fixedly connected to the outer wall of the sealing cap 2, providing a stable mounting base for a drive motor 4. The drive motor 4 is fixedly mounted on the mounting platform 3, serving as the power source for the device and providing driving force for the mixing and scraper actions. The drive motor 4 is connected to a drive shaft 5 via a transmission structure, which transmits power to the drive shaft. The power of the motor 4 is transmitted to the drive shaft 5. The outer wall of the drive shaft 5 is fixedly mounted with a stirring rod 6 by bolts. The bolt connection facilitates the installation and replacement of the stirring rod 6. The stirring rod 6, driven by the drive shaft 5, stirs the material. A rotatable scraper mechanism 7 is provided on the stirring rod 6. The scraper mechanism 7 can scrape the material on the inner wall of the mixing drum 1. A drain pipe 8 is provided at the bottom of the mixing drum 1. The drain pipe 8 is used to discharge the processed material. A connecting plate 9 is fixedly connected to the bottom of the outer wall of the mixing drum 1. An installation groove 10 is provided on the connecting plate 9. The installation groove 10 facilitates the fixed installation of the device in a suitable position.

[0023] A feeding hopper 11 is fixedly connected to the outer wall of the mixing drum 1. The feeding hopper 11 is interconnected with the mixing drum 1. The interconnected design ensures that the coated controlled-release fertilizer can smoothly enter the interior of the mixing drum 1. The feeding hopper 11 is used to add the coated controlled-release fertilizer. A feeding pipe 12 is fixedly connected to the top of the sealing cap 2. The feeding pipe 12 is used to add the anti-floating agent. The separate setting of the feeding hopper 11 and the feeding pipe 12 allows the coated controlled-release fertilizer and the anti-floating agent to be added separately, avoiding mutual interference during the addition process.

[0024] The transmission structure includes a chamber 13 inside the sealing cap 2, which provides installation space for the transmission components. A cylinder 14 is fixedly connected to the output end of the drive motor 4. A first bevel gear 15 is fixedly connected to the end of the cylinder 14 away from the drive motor 4. A second bevel gear 16 is fixedly connected to the top of the transmission shaft 5. The first bevel gear 15 and the second bevel gear 16 mesh with each other, realizing the vertical transmission of power and changing the direction of power transmission.

[0025] A support plate 17 is fixedly connected to the inner wall of the chamber 13. The support plate 17 is rotatably connected to the cylinder 14. The support plate 17 supports the cylinder 14 and ensures the stability of the rotation of the cylinder 14. The cylinder 14 passes through the outer wall of the sealing cap 2 and is rotatably connected, ensuring that the cylinder 14 can rotate stably and transmit power.

[0026] The scraper mechanism 7 includes a storage groove 18 on the top of the stirring rod 6, which provides storage space for the scraper 20. When the scraper 20 is not in use, it can be stored in the groove. Limiting holes 19 are provided at both ends of the outer wall of the stirring rod 6. The scraper 20 is rotatably connected to the inner wall of the end of the storage groove 18 away from the drive shaft 5. The scraper 20 can rotate around the rotating shaft to achieve scraping and storage actions. A limiting rod 21 is inserted into the limiting hole 19. The limiting rod 21 is used to limit the position of the scraper 20. A locking bolt 22 is threaded to one end of the limiting rod 21. The locking bolt 22 can fix the limiting rod 21 in the limiting hole 19 to ensure the limiting effect.

[0027] The scraper 20 has a through hole coaxially arranged with the left limiting hole 19 at one end near the drive shaft 5. When the scraper 20 is retracted, the limiting rod 21 in the left limiting hole 19 passes through the through hole to fix the scraper 20. The limiting rod 21 in the right limiting hole 19 can fix the scraper 20 so that it is stable and does not move during operation, ensuring that the scraper 20 will not shake when scraping materials. The other end of the limiting rod 21 is movably connected to a pull ring, which facilitates the insertion and removal of the limiting rod 21. A stop is fixedly connected to the side wall of the scraper 20 near the receiving groove 18, allowing the scraper 20 to rotate 90 degrees. The stop limits the rotation angle of the scraper 20 to prevent the rotation angle from being too large and affecting its use.

[0028] Working principle:

[0029] In use, coated controlled-release fertilizer is added into the mixing drum 1 through the feeding hopper 11, and anti-floating agent is added through the feeding pipe 12; the drive motor 4 is started, the drive motor 4 drives the cylinder 14 to rotate, the cylinder 14 drives the first bevel gear 15 to rotate, the first bevel gear 15 meshes with the second bevel gear 16, thereby driving the transmission shaft 5 to rotate, the transmission shaft 5 drives the stirring rod 6 to rotate, and the stirring rod 6 stirs and mixes the materials.

[0030] During the mixing process, the scraper 20 in the scraper mechanism 7 rotates against the inner wall of the mixing drum 1 under the fixation of the right limit rod 21, scraping off the material adhering to the drum wall; when it is necessary to collect the scraper 20, unscrew the locking bolt 22, pull out the right limit rod 21 through the pull ring, rotate the scraper 20 into the collection groove 18, then insert the left limit rod 21 into the limit hole 19 and the through hole of the scraper 20, and tighten the locking bolt 22 to fix it; after the processing is completed, open the drain pipe 8 to discharge the processed material.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A coated controlled-release fertilizer anti-floating treatment device comprising a stirring drum (1), characterized in that, The top of the stirring drum (1) is fixedly connected to a sealing cap (2) via a flange. The outer wall of the sealing cap (2) is fixedly connected to a mounting platform (3). A drive motor (4) is fixedly installed on the mounting platform (3). The drive motor (4) is connected to a drive shaft (5) via a transmission structure. A stirring rod (6) is fixedly installed on the outer wall of the drive shaft (5) via bolts. A rotatable scraper mechanism (7) is provided on the stirring rod (6). A drain pipe (8) is provided at the bottom of the stirring drum (1). A connecting plate (9) is fixedly connected to the bottom of the outer wall of the stirring drum (1). An installation groove (10) is provided on the connecting plate (9).

2. The anti-floating treatment device for the film-coated controlled-release fertilizer according to claim 1, characterized in that, The outer wall of the mixing drum (1) is fixedly connected to a feeding hopper (11), which is in communication with the mixing drum (1). The feeding hopper (11) is used to add coated controlled-release fertilizer. The top of the sealing cap (2) is fixedly connected to a feeding pipe (12), which is used to add anti-floating agent.

3. The anti-floating device for the film-coated controlled-release fertilizer according to claim 1, characterized in that, The transmission structure includes a chamber (13) opened inside the sealing cap (2), a cylinder (14) is fixedly connected to the output end of the drive motor (4), a first bevel gear (15) is fixedly connected to the end of the cylinder (14) away from the drive motor (4), and a second bevel gear (16) is fixedly connected to the top of the transmission shaft (5).

4. The anti-floating device for the film-coated controlled-release fertilizer according to claim 3, characterized in that, The inner wall of the chamber (13) is fixedly connected to a support plate (17), the support plate (17) is rotatably connected to a cylinder (14), and the cylinder (14) passes through the outer wall of the sealing cap (2) and is rotatably connected.

5. The anti-floating device for the film-coated controlled-release fertilizer according to claim 1, characterized in that, The scraper mechanism (7) includes a receiving groove (18) opened on the top of the stirring rod (6). Limiting holes (19) are opened at both ends of the outer wall of the stirring rod (6). A scraper (20) is rotatably connected to the inner wall of the receiving groove (18) away from the drive shaft (5). A limiting rod (21) is inserted into the limiting hole (19). A locking bolt (22) is threaded to one end of the limiting rod (21).

6. The anti-floating treatment device for the film-coated controlled-release fertilizer according to claim 5, characterized in that, The scraper (20) has a through hole coaxially arranged with the left limiting hole (19) at one end near the drive shaft (5). The limiting rod (21) in the right limiting hole (19) can fix the scraper (20) so that it is stable and does not move during operation. The other end of the limiting rod (21) is movably connected to a pull ring. The scraper (20) has a stop block fixedly connected to the side wall of one end near the storage groove (18), so that the scraper (20) can rotate 90 degrees.