Stirring device for producing organic-inorganic compound fertilizer

By designing a tiltable mixing hopper and a high-pressure cleaning system, the problem of numerous blind spots in the cleaning of the mixing device was solved, achieving a highly efficient and thorough cleaning effect, and ensuring the consistency of fertilizer quality and production efficiency.

CN224071850UActive Publication Date: 2026-04-03NANJING WOYOU BIO FERTILIZER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing mixing devices suffer from problems such as numerous blind spots during cleaning, low efficiency, high labor intensity, and residual materials affecting fertilizer quality.

Method used

Design a mixing hopper that can be flipped downwards, combined with a high-pressure cleaning nozzle and a liftable water tank to achieve all-round cleaning, integrating mixing, flipping and dispensing functions into one unit.

Benefits of technology

It achieves comprehensive, thorough cleaning of the mixing silo, improving cleaning efficiency by more than 50%, ensuring consistent fertilizer quality, and reducing labor intensity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fertilizer production equipment, in particular to a stirring device for producing an organic-inorganic compound fertilizer, which comprises a stirring accommodating bin and a stirring screw strip rotationally connected in the stirring accommodating bin, translation rotating devices are arranged on two sides of the stirring accommodating bin, and a material distributing device is arranged below the stirring accommodating bin. A cleaning device is arranged beside the material distributing device; the stirring screw strip comprises a small screw strip and a large screw strip which are sleeved inside and outside, a rotating rod is inserted into the small screw strip, and the rotating rod is fixedly connected with the small screw strip and the large screw strip through a connecting column; the spiral directions of the small screw strip and the large screw strip are opposite; the cleaning device comprises a lifting type water bucket and a water spraying pipe vertically mounted on the lifting type water bucket, and an opening of the stirring containing bin can be switched between upward and downward; by means of the design that the stirring containing bin is overturned downwards, all-directional and dead-corner-free cleaning is achieved, cleaning water is convenient to collect, compared with a traditional cleaning mode, the cleaning efficiency is improved by more than 50%, and the influence of material residues of the previous batch on the quality of fertilizer of the next batch is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of fertilizer production equipment technology, and in particular to a stirring device for the production of organic-inorganic compound fertilizer. Background Technology

[0002] In the production process of organic-inorganic compound fertilizers, mixing is a crucial step, aiming to thoroughly blend organic and inorganic materials to ensure fertilizer quality and efficacy. However, existing mixing devices have some problems in practical use.

[0003] Existing mixing devices typically employ an open-top mixing silo structure for easy material loading. However, after mixing, this structure easily leaves a large amount of fertilizer residue on the inner walls and mixing components. Due to the confined space and complex structure of the mixing silo, traditional cleaning methods suffer from numerous blind spots, low efficiency, high labor intensity, and low automation. While some mixing devices are equipped with cleaning structures, they cannot achieve comprehensive and effective cleaning. Residual material not only affects the quality of subsequent batches of fertilizer but may also breed bacteria, reducing the equipment's lifespan. Therefore, there is an urgent need for a mixing device capable of achieving efficient and thorough cleaning of the mixing silo. Utility Model Content

[0004] The purpose of this invention is to provide a mixing device for the production of organic-inorganic compound fertilizers. Through a unique structural design, the mixing chamber can be flipped downwards, thereby achieving comprehensive and efficient cleaning of the interior of the mixing chamber and the mixing components. This solves the problems of difficult and incomplete cleaning of existing mixing devices, improves the quality and efficiency of fertilizer production, and reduces labor intensity.

[0005] To solve the above-mentioned technical problems, the solution adopted by this utility model is as follows:

[0006] A mixing device for producing organic-inorganic compound fertilizer includes a mixing chamber and a rotating mixing screw inside it. Translational and rotating devices are located on both sides of the mixing chamber, and a material distribution device is located below the mixing chamber. A cleaning device is located beside the material distribution device. The mixing screw includes a small screw and a large screw nested inside and outside. A rotating rod is inserted through the small screw, and the rotating rod is fixed to the small and large screws via a connecting column. The small and large screws have opposite spiral directions. The cleaning device includes a liftable water tank and a vertically installed water spray pipe on it.

[0007] Furthermore, the opening of the mixing silo can be switched between facing upwards and downwards. The translation and rotation device includes two parallel slide rails placed horizontally. A slide table is movably sleeved on the slide rails. A longitudinal tilting platform is provided on the side of the slide table facing the mixing silo. The rotating part of the longitudinal tilting platform is connected to the mounting frame sleeved around the mixing silo.

[0008] Furthermore, a space is left between the mounting frame and the mixing chamber for installing a mixing motor, and the rotating output end of the mixing motor is connected to a rotary rod.

[0009] Furthermore, the liftable water bucket is equipped with a grid frame, the lower part of the water spray pipe is inserted into the grid frame and connected to a water supply pipe, and the top of the water spray pipe is equipped with an upward-facing water outlet.

[0010] Furthermore, the grid frame is located ≥2dm above the inner bottom of the liftable water bucket.

[0011] Furthermore, the mixing chamber has a U-shaped cross-section and a discharge port is provided in the center of the U-shaped bottom, and the channel of the discharge port is connected to a valve.

[0012] Furthermore, the material distribution device includes a base and a horizontal rotating platform thereon. A feeding pipe is provided on the horizontal rotating platform. A vertical feed inlet is connected to the upper part of the feeding pipe and positioned to meet the discharge port. A discharge port communicating with the feed inlet is provided on one side of the feeding pipe. A feeding spiral blade driven by a motor is provided in the feeding pipe.

[0013] Furthermore, the rotation axis of the transverse rotary table coincides with the central axis of the discharge port.

[0014] Furthermore, the open area of ​​the liftable water bucket is larger than the open area of ​​the mixing tank.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. The design of the mixing chamber flipping downwards fully exposes the interior of the mixing chamber and the mixing components. Combined with the high-pressure cleaning nozzle, it can achieve all-round, no-dead-angle cleaning. The cleaning water is easy to collect. Compared with traditional cleaning methods, the cleaning efficiency is increased by more than 50%, and the cleaning effect is significantly improved.

[0017] 2. Ensure product quality: Thorough cleaning effectively avoids the impact of material residue from the previous batch on the quality of the next batch of fertilizer, ensuring the consistency of fertilizer product quality and reducing product quality problems caused by impurities.

[0018] 3. This device integrates stirring, turning, washing, and dispensing functions into one compact structure with a small footprint. By adjusting the parameters of the drive system, it can be used for the mixing and production of different types and ratios of organic-inorganic compound fertilizers, demonstrating strong versatility and adaptability. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0021] Figure 3 This is a side view of the present invention. Figure 1 ;

[0022] Figure 4 This is a side view diagram of the present invention. Figure 2 ;

[0023] Figure 5 This is a cross-sectional structural diagram of the material distribution device in this utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the stirring screw in this utility model;

[0025] Figure 7 for Figure 6 Enlarged diagram of point B in the middle.

[0026] In the diagram: 1. Mixing silo; 1a. Discharge port; 1b. Valve; 2. Mixing screw; 2a. Small screw; 2b. Large screw; 2c. Rotary rod; 2d. Connecting column; 2e. Mixing motor; 3. Translation and rotation device; 3a. Slide rail; 3b. Slide table; 3c. Longitudinal tilting table; 3d. Mounting frame; 4. Material distribution device; 4a. Base; 4b. Transverse rotating table; 4c. Feeding pipe; 4d. Inlet; 4e. Outlet; 4f. Feeding spiral blade; 5. Cleaning device; 5a. Liftable water tank; 5b. Water spray pipe; 5c. Grid frame. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0028] like Figures 1 to 7 As shown, a mixing device for producing organic-inorganic compound fertilizer includes a mixing chamber 1 and a rotating mixing screw 2 inside it. Translation and rotation devices 3 are provided on both sides of the mixing chamber 1, a material distribution device 4 is provided below the mixing chamber 1, and a cleaning device 5 is provided beside the material distribution device 4. The material distribution device 4 performs multi-channel distribution of the mixed fertilizer, and the cleaning device 5 is used to thoroughly clean the mixing chamber 1.

[0029] Specifically, the stirring screw 2 includes a small screw 2a and a large screw 2b, which are nested inside and out. The small screw 2a and the large screw 2b have opposite spiral directions. A rotating rod 2c is inserted through the small screw 2a. The rotating rod 2c has no direct contact with the small screw 2a and the large screw 2b. The rotating rod 2c is fixed to the small screw 2a and the large screw 2b through a connecting post 2d. The connecting post 2d and the rotating rod 2c are vertically connected. The stirring screw 2 has different shapes and angles at different positions to achieve full mixing of materials. The stirring screw 2 adopts a detachable design, which is convenient for replacement after wear.

[0030] The mixing silo 1 has a U-shaped cross-section and a discharge port 1a is located in the center of the U-shaped bottom. The discharge port 1a is connected to a valve 1b. The distributing device 4 includes a base 4a and a horizontal rotating platform 4b on it. The rotation axis of the horizontal rotating platform 4b coincides with the central axis of the discharge port 1a. A feeding pipe 4c is provided on the horizontal rotating platform 4b. A vertical inlet 4d is connected to the upper part of the feeding pipe 4c and is positioned to align with the discharge port 1a. A discharge port 4e is provided on one side of the feeding pipe 4c and is connected to the inlet 4d. A feeding spiral blade 4f driven by a motor is provided in the feeding pipe 4c. The fertilizer that has been mixed is transported to the inlet 4d through the discharge port 1a. The feeding spiral blade 4f rotates and transports the fertilizer to the discharge port 4e. The discharge position can be flexibly adjusted by controlling the rotation of the horizontal rotating platform 4b.

[0031] The opening of the mixing chamber 1 can be switched between facing upwards and downwards. To achieve the vertical tilting of the mixing chamber 1, the translation and rotation device 3 includes two parallel slide rails 3a placed horizontally. A slide table 3b is movably sleeved on the slide rails 3a. A longitudinal tilting platform 3c is provided on the side of the slide table 3b facing the mixing chamber 1. The fixed part of the longitudinal tilting platform 3c is connected to the slide table 3b, and the rotating part is connected to the mixing chamber 1. Driving the longitudinal tilting platform 3c controls the vertical tilting of the mixing chamber 1. The rotating part of the longitudinal tilting platform 3c is connected to a mounting frame 3d that is sleeved around the mixing chamber 1. A space is left between the mounting frame 3d and the mixing chamber 1 to install the stirring motor 2e. The rotation output end of the stirring motor 2e is connected to a rotating rod 2c. The speed of the stirring drive motor can be adjusted by a frequency converter according to different production needs.

[0032] The cleaning device 5 includes a liftable water tank 5a and a vertically installed water spray pipe 5b on it. A grid frame 5c is provided in the liftable water tank 5a. The lower part of the water spray pipe 5b is inserted into the grid frame 5c and connected to a water supply pipe. The grid frame 5c is located ≥2 decimeters above the inner bottom of the liftable water tank 5a. The top of the water spray pipe 5b is provided with an upward-facing water outlet. A high-pressure water pump draws water from the water storage tank, pressurizes it, and delivers it to the upward-facing nozzle of the water spray pipe 5b to thoroughly clean the overturned mixing chamber 1.

[0033] A limit device, including multiple angle limit switches, is provided at the rotating shaft of the mixing chamber 1 to precisely control the flipping angle of the mixing chamber 1, ensuring that the mixing chamber 1 is accurately flipped to the cleaning operation position and reset to the mixing operation position.

[0034] During operation, the mixing chamber 1 moves above the liftable water tank 5a. When it is flipped to the cleaning position, the liftable water tank 5a is raised by the telescopic rod below, reducing the distance between it and the opening of the mixing chamber 1. The cleaning nozzles can perform all-round high-pressure rinsing of the interior of the mixing chamber 1, the mixing screw 2, and other components. The angle of the cleaning nozzles is adjustable to ensure no cleaning dead spots. A drainage trough and a wastewater collection tank are installed under the grid frame 5c to collect the wastewater after cleaning. The opening area of ​​the liftable water tank 5a is larger than the opening area of ​​the mixing chamber 1 to hold all the cleaning water.

[0035] 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. It should be noted that for those skilled in the art, any changes, modifications or additions made without departing from the concept of the present utility model should fall within the protection scope of the present utility model.

Claims

1. A stirring device for producing organic-inorganic compound fertilizer, characterized in that: The utility model provides a stirring container (1) and its inner rotation connection stirring screw bar (2), both sides of stirring container (1) are provided with translational rotation device (3), the lower of stirring container (1) is provided with distributing device (4), the side of distributing device (4) is provided with cleaning device (5); The stirring screw bar (2) comprises a small screw bar (2a) and a large screw bar (2b) sleeved with each other, a rotating rod (2c) is inserted in the small screw bar (2a), and the rotating rod (2c) is fixed to the small screw bar (2a) and the large screw bar (2b) through a connecting column (2d); The screw directions of the small screw bar (2a) and the large screw bar (2b) are opposite. The cleaning device (5) comprises a liftable water bucket (5a) and a water spraying pipe (5b) vertically installed on the water bucket (5a).

2. The stirring device for producing organic-inorganic compound fertilizer according to claim 1, characterized in that: The opening of the stirring container (1) can be switched between upward and downward, the translational rotation device (3) comprises two parallel sliding rails (3a) laid flat, a sliding table (3b) is movably sleeved on the sliding rails (3a), a longitudinal overturning table (3c) is arranged on one side of the sliding table (3b) and faces the stirring container (1), and a mounting rack (3d) is sleeved on the periphery of the stirring container (1) and connected to the rotating part of the longitudinal overturning table (3c).

3. The stirring device for producing organic-inorganic compound fertilizer according to claim 2, characterized in that: A stirring motor (2e) is arranged in the space between the mounting rack (3d) and the stirring container (1), and the rotating output end of the stirring motor (2e) is connected to the rotating rod (2c).

4. The stirring device for producing organic-inorganic compound fertilizer according to claim 1, characterized in that: A grid frame (5c) is arranged in the liftable water bucket (5a), the lower part of the water spraying pipe (5b) is inserted on the grid frame (5c) and connected to a water supply pipe, and the top of the water spraying pipe (5b) is provided with an upward water outlet.

5. The stirring device for producing organic-inorganic compound fertilizer according to claim 4, characterized in that: The grid frame (5c) is located above the inner bottom of the liftable water bucket (5a) by greater than or equal to 2 dm.

6. The stirring device for producing organic-inorganic compound fertilizer according to claim 1, characterized in that: The stirring container (1) has a "U"-shaped cross section and a discharge port (1a) arranged in the center of the "U"-shaped bottom, and a valve (1b) is connected to the passage of the discharge port (1a).

7. The stirring device for producing organic-inorganic compound fertilizer according to claim 6, characterized in that: The distributing device (4) comprises a base (4a) and a transverse rotating table (4b) arranged on the base (4a), the transverse rotating table (4b) is provided with a feeding pipe (4c), the upper part of the feeding pipe (4c) is connected to a vertical feeding inlet (4d) which is positionally connected to the discharge port (1a), one side of the feeding pipe (4c) is provided with a discharging outlet (4e) which is in communication with the feeding inlet (4d), and a feeding spiral blade (4f) driven to rotate by a motor is arranged in the feeding pipe (4c).

8. The stirring device for producing organic-inorganic compound fertilizer according to claim 7, characterized in that: The rotation central axis of the transverse rotating table (4b) coincides with the central axis of the discharge port (1a).

9. The stirring device for producing organic-inorganic compound fertilizer according to claim 1, characterized in that: The opening area of the liftable water bucket (5a) is greater than the opening area of the stirring container (1).