Mixing device for producing soil remediation fungicide

By combining an arc-shaped track and a mobile feeding hopper with a telescopic feeding mechanism, a screw conveyor, and a rotating mixing screw, the problems of uneven mixing and inflexible proportioning in the production of soil remediation microbial agents have been solved, achieving efficient and stable microbial agent production and improving the soil remediation effect.

CN224156819UActive Publication Date: 2026-04-24CHANGZHOU HONGBAO BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU HONGBAO BIOTECHNOLOGY CO LTD
Filing Date
2025-05-12
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing soil remediation microbial agent production equipment suffers from problems such as uneven mixing, low efficiency in material switching control, and inflexible proportioning, which affect the quality of the microbial agent and the remediation effect.

Method used

The design incorporates an arc-shaped track and a mobile feeding hopper, along with a telescopic feeding mechanism, a screw conveyor, and a rotating mixing screw, enabling precise proportioning and efficient mixing of various raw materials. The combination of the arc-shaped track and the sliding table assembly ensures equipment stability and sealing, reducing material diffusion.

Benefits of technology

It enables flexible and precise formulation of microbial agent raw materials, improves mixing uniformity, reduces maintenance costs, protects the environment, avoids raw material waste, and enhances soil remediation effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of microbial inoculum production, in particular to a mixing device for producing a soil remediation microbial inoculum, which comprises an arc-shaped track and a movable feed hopper movably connected above the arc-shaped track, and a plurality of single material bins are arranged above the movable feed hopper in a non-contact manner. The bottom end of the movable feeding hopper is connected with a spiral conveyor which is obliquely arranged upwards, a discharging opening in the high-position end of the spiral conveyor is downwards connected with a mixing bin through a swivel joint, a rotary stirring screw strip is arranged in the mixing bin, and a mixing discharging opening is formed in the bottom of the mixing bin; flexible and accurate proportioning of fungicide raw materials is achieved, the movable feeding hopper can move to the position below different single-material bins along the arc-shaped track to receive materials, accurate metering and flexible proportioning of various raw materials are achieved in combination with the electric discharging valve and the weighing sensor, and the production requirements of different formulas are met; and meanwhile, dust, particles and the like are prevented from scattering around as much as possible during discharging of the stock bin, the environment is protected, and raw material waste is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of microbial agent production technology, and in particular to a mixing device for producing soil remediation microbial agents. Background Technology

[0002] In the production process of soil remediation microbial agents, the mixing stage is crucial, as it directly affects the quality and remediation effect of the agent. Because soil remediation microbial agents contain various components, such as different types of microbial strains, nutrients, and additives, improper production equipment can negatively impact the soil remediation effect during actual use.

[0003] An unreasonable mixing device with fixed silos and static conveying methods makes it difficult to flexibly mix multiple raw materials in a single fixed silo. Different raw materials require manual switching of feeding paths and weighing and adding, which is cumbersome and prone to mixing errors. The stirring structure in the mixing silo has limited effect on the agitation of materials, especially for granular and powdery mixtures, which can easily lead to uneven mixing in some areas, affecting the activity of microorganisms and the stability of components in the soil remediation agent. At the same time, the diffusion and spillage of raw materials during the conveying process also need to be further controlled. Utility Model Content

[0004] The purpose of this invention is to provide a mixing device for producing soil remediation microbial agents, so as to solve the problems of uneven mixing, low efficiency of material switching control, and inflexible proportioning in existing soil remediation microbial agent mixing devices.

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

[0006] A mixing device for producing soil remediation microbial agents includes an arc-shaped track and a movable feeding hopper connected above it. Several single-material bins are arranged non-contactly above the movable feeding hopper. An inclined screw conveyor is connected to the bottom of the movable feeding hopper. The high-end discharge port of the screw conveyor is connected downward through a rotary joint to a mixing bin. A rotary stirring screw is installed inside the mixing bin, and a mixing discharge port is provided at the bottom.

[0007] Furthermore, the upper part of the mobile feed hopper is provided with a flat filter grid, and the lower part is connected to a slide table. The slide table is movably embedded in a groove opened on an arc-shaped track, and the track stroke of the arc-shaped track is ≥3m.

[0008] Furthermore, the number of single-material hoppers is ≥2, and their bottom ends are connected to a telescopic feeding mechanism. The telescopic feeding mechanism includes a fixed tube and a moving tube sleeved around it. A vertical telescopic rod is connected between the fixed tube and the moving tube below.

[0009] Furthermore, the lower part of the moving tube is an outwardly flared opening, and its bottom port type matches the top port type of the movable feed hopper.

[0010] Furthermore, the screw conveyor includes an inclined base tube, with a rotating shaft driven by a motor at the center of the inclined base tube, and helical blades wound around the outer periphery of the rotating shaft. The motor is fixed at the high end of the screw conveyor.

[0011] Furthermore, the rotary joint includes a fixed ring pipe and a rotating ring pipe on the same central axis, which are rotatably connected by bearings. The fixed ring pipe is connected to the feed inlet of the mixing silo below through a flange, and the rotating ring pipe is connected to the discharge outlet of the high end of the screw conveyor above through a flange.

[0012] Furthermore, the telescopic rod is electric or pneumatic, and as the telescopic rod extends, the moving tube moves down to approach the upper feed port of the movable feed hopper.

[0013] Furthermore, a discharge control valve is provided between the single-material hopper and the telescopic discharge mechanism.

[0014] Furthermore, the lower end of the screw conveyor rotates synchronously with the moving feed hopper based on an arc-shaped track.

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

[0016] 1. This utility model realizes the flexible and precise proportioning of microbial agent raw materials: the mobile feeding hopper can move along the arc track to receive materials under different single material bins. Combined with the electric unloading valve and weighing sensor, it realizes the precise measurement and flexible proportioning of multiple raw materials to meet the production needs of different formulas.

[0017] 2. Stable equipment operation: The coordination between the arc-shaped track and the slide assembly, the sealing structure of the rotary joint, and the reasonable selection of materials for each component ensure the stability and reliability of the device during long-term operation and reduce maintenance costs.

[0018] 3. Equipped with a telescopic feeding mechanism, which can minimize the spread and spillage of dust and particles when feeding a single material from the hopper, thus protecting the environment and avoiding waste of raw materials. 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 for Figure 1 Enlarged view of point B in the middle;

[0022] Figure 4 This is a cross-sectional structural diagram of the present invention;

[0023] Figure 5 for Figure 4 Enlarged diagram of point C in the middle.

[0024] In the diagram: 1. Arc-shaped track; 2. Feed hopper; 2a. Filter grid; 3. Single material hopper; 3a. Telescopic feeding mechanism; 3a-1. Fixed pipe; 3a-2. Moving pipe; 3a-3. Telescopic rod; 3b. Feeding control valve; 4. Screw conveyor; 4a. Inclined base pipe; 4b. Motor; 4c. Rotary shaft; 4d. Helical blades; 5. Rotary joint; 6. Mixing hopper; 7. Agitator screw. Detailed Implementation

[0025] 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.

[0026] like Figures 1-5 As shown, a mixing device for producing soil remediation microbial agents includes an arc-shaped track 1 and a movable feed hopper 2 connected above it. At least two single-material hoppers 3 are non-contactly arranged above the movable feed hopper 2, and each single-material hopper 3 has an independent discharge control valve 3b at its bottom. The hoppers have an inverted conical structure to facilitate smooth material flow, and the hopper bodies are made of transparent or semi-transparent materials (such as polycarbonate) for easy observation of the internal material levels.

[0027] Furthermore, the bottom of the mobile feed hopper 2 is connected to an inclined upward screw conveyor 4. The high end of the screw conveyor 4 is connected downward to a mixing hopper 6 through a rotary joint 5. The mixing hopper 6 is equipped with a rotary stirring screw 7 and a mixing outlet at the bottom to output the mixed microbial agent material.

[0028] Meanwhile, observation windows are installed on the side wall of the mixing silo to facilitate operators' observation of the mixing process inside the tank.

[0029] In this embodiment, a flat filter grid 2a is provided on the upper part of the mobile feed hopper 2 to prevent large debris from falling into the mobile feed hopper 2; a slide is connected to the lower part of the mobile feed hopper 2, and the slide is movably embedded in the groove opened on the arc track 1, the travel of the arc track 1 is ≥3m.

[0030] Specifically, the arc-shaped track 1 provides a stable guiding path for the mobile feed hopper 2. The track surface is polished to reduce frictional resistance, and limit blocks are installed at both ends to prevent the mobile feed hopper 2 from derailing. A weighing sensor is installed inside the hopper to monitor the weight of the material inside in real time and transmit the data to the control system. The mobile feed hopper 2 is connected to a drive motor, which meshes with the rack and pinion on the side of the arc-shaped track through gears to achieve precise movement and positioning of the feed hopper along the track.

[0031] A telescopic feeding mechanism 3a is connected to the bottom of the single-material hopper 3, and a feeding control valve 3b is located between the two. The telescopic feeding mechanism 3a includes a fixed pipe 3a-1 and a moving pipe 3a-2 sleeved around it. A vertical telescopic rod 3a-3 connects the fixed pipe 3a-1 and the moving pipe 3a-2 below. The lower part of the moving pipe 3a-2 is an outwardly flared opening, and its bottom port type matches the top port type of the mobile feed hopper 2. The telescopic rod 3a-3 is electric or pneumatic. As the telescopic rod 3a-3 extends, the moving pipe 3a-2 moves down to approach the upper feed port of the mobile feed hopper 2. At this time, the corresponding feeding control valve 3b is opened to perform the feeding operation, which can minimize the spread and spillage of dust, particles, etc., thus protecting the environment and avoiding material waste.

[0032] On the other hand, specifically, the screw conveyor 4 includes an inclined base pipe 4a with a conveying angle of 35°-75°. A rotating shaft 4c driven by a motor 4b is set at the center of the inclined base pipe 4a. Spiral blades 4d are wound around the outside of the rotating shaft 4c. The motor 4b is fixed at the high end of the screw conveyor 4. The motor 4b drives the spiral blades 4d to rotate, conveying the raw materials for bacterial agent production in the mobile feed hopper 2 upward to the mixing bin 6.

[0033] Detailed combination Figure 1 , Figure 2 As shown, the rotary joint 5 supporting the rotation of the screw conveyor 4 includes a fixed ring pipe and a rotating ring pipe on the same central axis. The two are rotatably connected by bearings. The fixed ring pipe is connected to the feed inlet of the mixing bin 6 below through a flange, and the rotating ring pipe is connected to the discharge outlet of the high end of the screw conveyor 4 above through a flange. At the same time, multiple sealing rings are provided between the rotating part and the fixed part of the rotary joint 5 to ensure that no dust overflows during the mixing process in the mixing bin 6.

[0034] In the above scheme, the lower end of the screw conveyor 4 rotates synchronously with the mobile feed hopper 2 based on the arc track 1.

[0035] When the mixing device for producing soil remediation microbial agents according to this invention is in operation, each individual material bin 3 corresponds to different types of raw materials for producing soil remediation microbial agents, such as microbial powder, nutrient additives, adsorbent carriers, etc. The control system can control the mobile feeding hopper 2 to move below the corresponding individual material bin 3 according to the preset formula, and independently control the opening time and opening degree of each feeding control valve 3b to achieve precise quantitative feeding; the screw conveyor 4 realizes the upward transportation of the microbial agent production raw materials in the mobile feeding hopper 2 to the mixing bin 6; the stirring range of the stirring screw 7 covers the entire volume of the mixing bin 6, and through rotation, it performs efficient shearing, turning and kneading of the materials, further improving the uniformity of mixing of microbial agent raw materials; the discharge port outputs the mixed microbial agent material.

[0036] 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 mixing device for producing soil remediation microbial agents, characterized in that: It includes an arc-shaped track (1) and a movable feed hopper (2) connected above it. Several single material bins (3) are arranged above the movable feed hopper (2) without contact. The bottom end of the movable feed hopper (2) is connected to an inclined upward spiral conveyor (4). The high end of the spiral conveyor (4) is connected downward through a rotary joint (5) to a mixing bin (6). The mixing bin (6) is equipped with a rotating stirring screw (7) and a mixing outlet is provided at the bottom.

2. The mixing device for producing soil remediation microbial agents according to claim 1, characterized in that: The upper part of the mobile feed hopper (2) is provided with a flat filter grid (2a), and the lower part is connected to a slide table. The slide table is movably embedded in the groove opened on the arc track (1), and the track stroke of the arc track (1) is ≥3m.

3. The mixing device for producing soil remediation microbial agents according to claim 1, characterized in that: The number of single-type material bins (3) is ≥2, and a telescopic feeding mechanism (3a) is connected to the bottom end of each bin. The telescopic feeding mechanism (3a) includes a fixed pipe (3a-1) and a movable pipe (3a-2) sleeved around it. A vertical telescopic rod (3a-3) is connected between the fixed pipe (3a-1) and the movable pipe (3a-2) below.

4. The mixing device for producing soil remediation microbial agents according to claim 3, characterized in that: The lower part of the moving tube (3a-2) is an outwardly flared opening, and its bottom port type matches the top port type of the movable feed hopper (2).

5. The mixing device for producing soil remediation microbial agents according to claim 1, characterized in that: The screw conveyor (4) includes an inclined base tube (4a), and a rotating shaft (4c) driven to rotate by a motor (4b) is provided at the center of the inclined base tube (4a). Spiral blades (4d) are wound around the outside of the rotating shaft (4c). The motor (4b) is fixed at the high end of the screw conveyor (4).

6. The mixing device for producing soil remediation microbial agents according to claim 5, characterized in that: The rotary joint (5) includes a fixed ring pipe and a rotating ring pipe on the same central axis. The two are rotatably connected by bearings. The fixed ring pipe is connected to the feed inlet of the mixing silo (6) below through a flange, and the rotating ring pipe is connected to the discharge outlet of the screw conveyor (4) above through a flange.

7. The mixing device for producing soil remediation microbial agents according to claim 3, characterized in that: The telescopic rod (3a-3) is electric or pneumatic. As the telescopic rod (3a-3) extends, the moving tube (3a-2) moves down to approach the upper feed port of the mobile feed hopper (2).

8. The mixing device for producing soil remediation microbial agents according to claim 7, characterized in that: A discharge control valve (3b) is provided between the single material hopper (3) and the telescopic discharge mechanism (3a).

9. A mixing device for producing soil remediation microbial agents according to claim 6, characterized in that: The lower end of the screw conveyor (4) rotates synchronously with the mobile feed hopper (2) based on the arc track (1).