Reaction device for preparing biodegradable resin

By introducing a feeding component and a scraper structure into the biodegradable resin preparation device, the problems of inaccurate material discharge control and adhesion were solved, achieving precise material discharge and uniform mixing, and improving operational flexibility and reaction efficiency.

CN223959659UActive Publication Date: 2026-03-03ZHEJIANG WAFA ECOSYSTEM SCI & TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing biodegradable resin preparation devices have difficulty achieving precise control during the material discharge process, and there is also the problem of material adhering to the vessel wall.

Method used

A reaction device comprising a feeding assembly (feeding pipe, auger and motor No. 1) was designed. The material is pushed by the rotation of the auger, and the material discharge speed and amount are precisely controlled by adjusting the motor speed. At the same time, an inclined feeding pipe and a scraper structure are used to prevent material adhesion.

Benefits of technology

It enables precise control of material discharge and prevents adhesion, improves operational flexibility and automation, and enhances mixing uniformity and reaction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a reaction device for preparing biodegradable resin, which comprises a reaction kettle body, a kettle body top cover is arranged at the top of the reaction kettle body, a material guide pipe is fixedly connected to the bottom of the reaction kettle body, a control valve is arranged in the middle of the material guide pipe, a blanking assembly is arranged below the material guide pipe, and a material outlet is arranged below the blanking assembly. And the discharging assembly is composed of a discharging pipe, a spiral auger and a first motor, the discharging pipe is installed at the bottom end of the material guiding pipe, and the input end of the discharging pipe communicates with the bottom end of the material guiding pipe. The discharging speed and the discharging amount of materials are accurately controlled by arranging the discharging assembly, the materials are pushed downwards along the discharging pipe under the rotation action of the spiral auger, the materials can be discharged smoothly due to the fact that the discharging pipe is obliquely arranged and the output end is located at the lowest position, and the discharging speed and the discharging amount of the materials can be adjusted by adjusting the rotating speed of the first motor. And the pushing speed of the spiral auger can be controlled, so that the material discharging process is accurately regulated and controlled, and the inconvenience that the opening degree of a control valve needs to be regulated in real time in a traditional device is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of biodegradable resin production technology, specifically to a reaction apparatus for preparing biodegradable resin. Background Technology

[0002] Biodegradable resin is an environmentally friendly polymer material whose significant characteristic is its ability to be degraded by microorganisms under specific conditions. This material is mainly composed of microorganisms, starch, and other completely biodegradable materials, containing no ordinary plastic components or toxic substances. The production process of biodegradable resin does not require harsh conditions such as high temperature and high pressure, making it relatively energy-efficient. At the same time, it possesses excellent physical properties, such as resistance to high and low temperatures, natural antistatic properties, and good colorability, making it widely applicable in various scenarios.

[0003] The patented reaction apparatus for preparing foamed biodegradable resin disclosed in announcement number CN213669279U has two different shapes of the stirrer in the existing apparatus. The stirrer located below the stirring shaft is umbrella-shaped and fixed to the stirring shaft by a connecting rod. First, the stirring can promote the reaction. Second, the stirrer and the stirring shaft are not connected, which can better allow the product to be output through the discharge pipe.

[0004] Although the aforementioned reaction apparatus emphasizes the mixing and reaction process of materials in its design, achieving thorough mixing and uniform heating through the different shapes and designs of the first and second agitators, as well as the configuration of the heating tubes, there are still some areas for optimization and improvement in material discharge. For example, although a discharge pipe and control valve are provided for material discharge, the opening degree of the control valve needs to be adjusted in real time during the discharge process, making it inconvenient to precisely control the discharge speed and volume.

[0005] Therefore, it is necessary to invent a reaction apparatus for preparing biodegradable resins to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a reaction apparatus for preparing biodegradable resins to solve the problems in the above-mentioned technology.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a reaction apparatus for preparing biodegradable resin, comprising a reaction vessel body, a vessel top cover installed on the top of the reaction vessel body, a feed pipe fixedly connected to the bottom of the reaction vessel body, a control valve installed in the middle of the feed pipe, and a feeding assembly arranged below the feed pipe. The feeding assembly consists of a feeding pipe, a spiral auger, and a No. 1 motor. The feeding pipe is installed at the bottom end of the feed pipe, and the input end of the feeding pipe is connected to the bottom end of the feed pipe. The spiral auger is rotatably connected inside the feeding pipe. The No. 1 motor is installed at one end of the feeding pipe, and one end of the spiral auger extends to the outside of the feeding pipe and is drivenly connected to the output shaft of the No. 1 motor. The feeding pipe is inclined, and the output end of the feeding pipe is located at the lowest point.

[0008] The design of the feeding components, including the feeding pipe, auger, and motor No. 1, enables effective export and control of the reaction products, improving operational flexibility and automation.

[0009] Preferably, a feeding hopper is installed on one side of the top of the vessel body cover, and a sealing cover is hinged to the top of the feeding hopper.

[0010] A feeding hopper and a sealing cap are installed on the top cover of the reactor body to facilitate the addition of raw materials into the reactor, while the sealing cap ensures the airtightness of the reaction process.

[0011] Preferably, a second motor is installed in the middle of the top of the reactor body, and a stirring mechanism is provided inside the reactor body.

[0012] The No. 2 motor provides the necessary stirring power for the stirring mechanism.

[0013] Preferably, the stirring mechanism includes a stirring shaft, the top end of which is rotatably connected to the top cover of the vessel body, and the top end of which extends to the outside of the top cover of the vessel body and is connected to the output shaft of the second motor.

[0014] The stirring shaft can be driven to rotate by the No. 2 motor.

[0015] Preferably, a connecting rod is fixedly connected to the surface of the stirring shaft, and a stirring blade is fixedly connected to the middle of the connecting rod.

[0016] As the stirring shaft rotates, the connecting rod drives the stirring blades to rotate as well, thereby mixing the materials.

[0017] Preferably, a scraper is fixedly connected to the end of the connecting rod away from the stirring shaft, and one side of the scraper is in contact with both the inner wall of the reactor body and the inner wall of the reactor body top cover.

[0018] The scraper effectively prevents materials from adhering to the inner wall.

[0019] Preferably, the stirring blades are inclined, and the scraper is made of silicone material.

[0020] The inclined stirring blades generate greater vortex intensity when rotating, causing the material to spread outward rapidly and forming a large number of vortices, thus quickly and evenly mixing the material; while the scraper is made of silicone material, which not only ensures the scraping effect, but also has a certain degree of elasticity and wear resistance, extending the service life of the equipment.

[0021] Preferably, the outer wall of the reactor vessel is fixedly connected to four support legs, which are arranged in a circular array.

[0022] Four supporting legs were added to the outer wall of the reactor and arranged in a ring array, which improved the stability and support of the equipment and ensured the safe conduct of the reaction process.

[0023] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0024] 1. By setting up a feeding assembly, including a feeding pipe, a spiral auger, and a No. 1 motor, precise control of the material discharge speed and discharge volume is achieved. The rotation of the spiral auger pushes the material downward along the feeding pipe. Because the feeding pipe is inclined and the output end is located at the lowest point, the material can be discharged smoothly. By adjusting the speed of the No. 1 motor, the pushing speed of the spiral auger can be controlled, thereby achieving precise control of the material discharge process and avoiding the inconvenience of needing to adjust the opening degree of the control valve in real time in traditional devices.

[0025] 2. By setting up a stirring mechanism and a scraper, the mixing uniformity and reaction efficiency of the raw materials are improved. The stirring blades of the stirring mechanism stir the raw materials to achieve uniform mixing. At the same time, the scraper can scrape the inner wall of the reactor and the inner wall of the reactor top cover to prevent the raw materials from sticking to the wall. Attached Figure Description

[0026] Figure 1 This is a first-view overall structural diagram of the present invention;

[0027] Figure 2 This is a schematic diagram of the overall structure of the present invention from a second perspective;

[0028] Figure 3 This is a cross-sectional view of the structure of this utility model;

[0029] Figure 4 This utility model Figure 3 Enlarged view of part A in the diagram;

[0030] Figure 5 This is a schematic diagram of the stirring mechanism of this utility model.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1. Reactor body; 2. Reactor top cover; 3. Feed pipe; 4. Control valve; 5. Feeding assembly; 6. Feeding pipe; 7. Spiral auger; 8. Motor No. 1; 9. Feeding hopper; 10. Sealing cover; 11. Motor No. 2; 12. Stirring mechanism; 13. Stirring shaft; 14. Connecting rod; 15. Stirring blades; 16. Scraper; 17. Support leg. Detailed Implementation

[0033] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0034] This utility model provides, for example Figure 1-5 The apparatus shown is a reaction vessel for preparing biodegradable resin, comprising a reaction vessel body 1, a vessel top cover 2 installed on the top of the reaction vessel body 1, a feed pipe 3 fixedly connected to the bottom of the reaction vessel body 1, a control valve 4 installed in the middle of the feed pipe 3, and a feeding assembly 5 arranged below the feed pipe 3. The feeding assembly 5 consists of a feeding pipe 6, a spiral auger 7, and a primary motor 8. The feeding pipe 6 is installed at the bottom end of the feed pipe 3, and the input end of the feeding pipe 6 is connected to the bottom end of the feed pipe 3. The spiral auger 7 is rotatably connected inside the feeding pipe 6. The primary motor 8 is installed at one end of the feeding pipe 6, and one end of the spiral auger 7 extends to the outside of the feeding pipe 6 and is connected to the output shaft of the primary motor 8 for transmission. The feeding pipe 6 is inclined, and the output end of the feeding pipe 6 is located at the lowest point.

[0035] In one aspect of this embodiment, a feeding hopper 9 is installed on one side of the top of the reactor body cover 2. A sealing cover 10 is hinged to the top of the feeding hopper 9. A second motor 11 is installed in the middle of the top of the reactor body cover 2. A stirring mechanism 12 is provided inside the reactor body 1. The stirring mechanism 12 includes a stirring shaft 13. The top end of the stirring shaft 13 is rotatably connected to the reactor body cover 2. The top end of the stirring shaft 13 extends to the outside of the reactor body cover 2 and is drivenly connected to the output shaft of the second motor 11. A connecting rod 14 is fixedly connected to the surface of the stirring shaft 13. A stirring blade 15 is fixedly connected to the middle of the connecting rod 14. A scraper 16 is fixedly connected to the end of the connecting rod 14 away from the stirring shaft 13. One side of the scraper 16 is in contact with both the inner wall of the reactor body 1 and the inner wall of the reactor body cover 2. The stirring blade 15 is inclined. The scraper 16 is made of silicone material. Four support legs 17 are fixedly connected to the outer wall of the reactor body 1. The four support legs 17 are arranged in a circular array.

[0036] Working principle of this utility model:

[0037] Refer to the instruction manual appendix Figure 1-5When using this utility model, first open the sealing cover 10 and add the raw materials required for the reaction into the reactor body 1 through the feeding hopper 9. Then close the sealing cover 10. The sealing cover 10 at the top of the feeding hopper 9 can ensure the sealing during the feeding process and prevent external impurities from entering.

[0038] Then, start motor 11. The output shaft of motor 11 drives the stirring shaft 13 to rotate. The stirring blades 15 on the stirring shaft 13 rotate accordingly to stir the raw materials in the reactor body 1, so as to achieve uniform mixing and full reaction of the raw materials. At the same time, the stirring shaft 13 drives the scraper 16 to rotate through the connecting rod 14. The scraper 16 is made of silicone material and has a certain degree of flexibility. It can stick to the inner wall of the reactor body 1 and the inner wall of the reactor top cover 2 to scrape and prevent the raw materials from adhering to the wall.

[0039] When the reaction is complete and the material needs to be discharged, first open the control valve 4 and start the first motor 8. The output shaft of the first motor 8 drives the spiral auger 7 to rotate. The rotation of the spiral auger 7 pushes the material falling from the guide pipe 3 down along the discharge pipe 6. Since the discharge pipe 6 is inclined and the output end is at the lowest point, the material can be discharged smoothly. By adjusting the speed of the first motor 8, the pushing speed of the spiral auger 7 can be controlled, thereby achieving precise control of the material discharge speed and discharge volume, avoiding the inconvenience of needing to adjust the opening degree of the control valve 4 in real time in traditional devices.

Claims

1. A reaction apparatus for producing a biodegradable resin, comprising a reaction vessel (1), characterized by: The top of the reactor body (1) is provided with a reactor body top cover (2), the bottom of the reactor body (1) is fixedly connected with a material guide pipe (3), the middle of the material guide pipe (3) is provided with a control valve (4), the lower side of the material guide pipe (3) is provided with a discharging assembly (5), the discharging assembly (5) is composed of a discharging pipe (6), a spiral auger (7) and a first motor (8), the discharging pipe (6) is installed at the bottom end of the material guide pipe (3), the input end of the discharging pipe (6) is communicated with the bottom end of the material guide pipe (3), the spiral auger (7) is rotatably connected inside the discharging pipe (6), the first motor (8) is installed at one end of the discharging pipe (6), one end of the spiral auger (7) extends to the outside of the discharging pipe (6) and is drivingly connected with the output shaft of the first motor (8), and the discharging pipe (6) is arranged obliquely, and the output end of the discharging pipe (6) is located at the lowest position.

2. The reaction apparatus for producing a biodegradable resin according to claim 1, characterized by: The top of the reactor body top cover (2) is provided with a feeding hopper (9), and the top of the feeding hopper (9) is hingedly provided with a sealing cover (10).

3. The reaction apparatus for preparing a biodegradable resin according to claim 1, characterized by: The top of the reactor body top cover (2) is provided with a feeding hopper (9), and the top of the feeding hopper (9) is hingedly provided with a sealing cover (10).

4. The reaction apparatus for producing a biodegradable resin according to claim 3, wherein: The top of the reactor body top cover (2) is provided with a feeding hopper (9), and the top of the feeding hopper (9) is hingedly provided with a sealing cover (10).

5. The reaction apparatus for producing a biodegradable resin according to claim 4, wherein: The stirring mechanism (12) comprises a stirring shaft (13), the top end of the stirring shaft (13) is rotatably connected with the reactor body top cover (2), and the top end of the stirring shaft (13) extends to the outside of the reactor body top cover (2) and is drivingly connected with the output shaft of the second motor (11).

6. The reaction apparatus for producing a biodegradable resin according to claim 5, wherein: The surface of the stirring shaft (13) is fixedly connected with a connecting rod (14), and the middle of the connecting rod (14) is fixedly connected with a stirring blade (15).

7. The reaction apparatus for producing a biodegradable resin according to claim 6, wherein: The end of the connecting rod (14) away from the stirring shaft (13) is fixedly connected with a wall scraping plate (16), and one side of the wall scraping plate (16) is in contact with the inner wall of the reactor body (1) and the inner wall of the reactor body top cover (2).

8. The reaction apparatus for producing a biodegradable resin according to claim 1, characterized by: The stirring blade (15) is arranged obliquely, and the wall scraping plate (16) is made of silica gel material. The outer wall of the reactor body (1) is fixedly connected with four supporting legs (17), and the four supporting legs (17) are arranged in an annular array.

Citation Information

Patent Citations

  • Reaction device for preparing foaming biodegradable resin

    CN213669279U