Flow choking device in stirring reaction tank

By introducing a flow-blocking device into the stirred reaction tank, real-time detection of material density and motor current, adjustment of stirring parameters, and setting of baffles and pressure plates, the problems of material lumps and sediments during the stirring process were solved, achieving efficient and stable material mixing.

CN223417245UActive Publication Date: 2025-10-10NANDAN JILANG INDIUM IND CO LTD
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Patent Information

Application Number
CN202422415024.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-10-10
Estimated Expiration
2034-10-08

AI Technical Summary

Technical Problem

In traditional stirred reactors, changes in material density and viscosity during the stirring process lead to unstable current intensity, resulting in material lumps and sediments, which affect stirring efficiency and uniformity.

Method used

A flow-blocking device is used, including a stirring shaft, stirring blades, a density detector and a motor current detection device. By detecting the material density and motor current, the stirring parameters are adjusted in real time. Baffles and pressure plates are set to stabilize the structure, prevent material splashing, and improve stirring uniformity.

Benefits of technology

It achieves long-term stable operation of the mixing process, improves mixing efficiency and material mixing uniformity, and extends the service life of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of stirring equipment, and discloses a flow choking device in a stirring reaction tank. According to the utility model, through the arrangement of the motor current detection device and the density detection meter, reaction materials are adjusted in time, so that the density of the reaction materials is uniform, and through the arrangement of the pressure flow plate and the stirring roller, the materials are stirred more fully, and the stirring efficiency and the stirring uniformity are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of stirring equipment, in particular to a flow blocking device in a stirring reaction tank. Background Art

[0002] A stirred reactor is a device used for chemical reactions and physical mixing. Its primary function is to promote uniform mixing of reactants through stirring, ensuring efficient reaction. Stirred reactors are widely used in the chemical industry, pharmaceuticals, food processing, and other related fields.

[0003] However, in traditional stirred reactors, changes in material density and viscosity during stirring will affect the stirring load, resulting in unstable or abnormally increased current intensity, which will affect the stirring operation and produce larger material lumps or sediments, greatly reducing the stirring efficiency and the uniformity of material mixing. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a flow blocking device in a stirred reactor, which aims to improve the problem in the prior art that large material lumps or sediments appear in the stirred reactor during the stirring process, which affects the instability or abnormal increase of the current intensity, thereby greatly reducing the stirring efficiency and causing a decrease in the uniformity of material mixing.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a flow-blocking device in a stirred reaction tank, comprising a reaction barrel, a mounting plate fixedly connected to the top of the reaction barrel, a mounting bracket fixedly connected to the inner side of the mounting plate, a motor fixedly connected to the top of the mounting bracket, a stirring shaft fixedly connected to the output end of the motor, the stirring shaft rotatably connected to the inside of the mounting bracket, the bottom end of the stirring shaft rotatably connected to the inner bottom of the reaction barrel, a mounting ring fixedly connected to the outside of the stirring shaft, a stirring blade fixedly connected to the outside of the mounting ring, a detection component fixedly connected to the inside of the mounting bracket, and the detection component is used to detect stirring data.

[0006] Furthermore, the detection component includes a feed pipe, the outside of which is fixedly connected to the inside of the mounting frame, a density detector is provided on the outside of the feed pipe, the bottom end of the feed pipe is provided on the inside of the reaction barrel, and a motor current detection device is provided on the outside of the reaction barrel.

[0007] Furthermore, the motor current detection device is electrically connected to the motor.

[0008] Furthermore, baffles are fixedly connected to the inner sides of the reaction barrels, and arc-shaped grooves are formed on the exteriors of the baffles.

[0009] Furthermore, the inner side of the reaction barrel is fixedly connected with a pressure flow plate, the bottom of the pressure flow plate is fixedly connected with a reinforcement plate, and the outer side of the reinforcement plate is fixedly connected to the inner side of the reaction barrel.

[0010] Furthermore, the inner sides of the reaction barrels are rotatably connected with stirring rollers, and the outer sides of the stirring rollers are fixedly connected with bumps.

[0011] Furthermore, the outside of the reaction barrel is fixedly connected with reinforcing ribs, and the outside of the reaction barrel is provided with a discharge port.

[0012] Furthermore, a baffle is fixedly connected to the interior of the pressure plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the present invention, the stirring shaft is driven to rotate by a motor, and the stirring shaft drives the stirring blades to mix and stir the materials. While stirring, the motor current detection device detects the motor. When an abnormal situation occurs in the motor current detection device, corresponding measures are taken according to the detection device to ensure the long-term stable operation of the production process. A density detector is set on the feed pipe on the stirring reaction tank. The density detector is used to detect the density of the reaction material to ensure the uniformity of the density of the material at the bottom and the top of the entire stirring reaction tank. When the density of the reaction material differs greatly, the reaction material is adjusted in time to make the density of the reaction material uniform, which greatly improves the service life of the device.

[0015] 2. In the present invention, the stirring shaft drives the stirring blades to mix and stir the materials, thereby achieving material mixing and stirring. By adding a baffle, the structural stability of the barrel body and the structural stability of the pressure flow plate are improved. During the stirring process, the raised portion of the baffle will collide with the material and liquid, thereby making the material more fully stirred, thereby further improving the stirring efficiency and stirring uniformity. By arranging the pressure flow plates into three groups with inner diameters increasing from top to bottom, and arranging them from top to bottom along the inner wall of the barrel body, the barrier rate of the pressure flow plates to prevent material and liquid splashing is further enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of a flow-blocking device in a stirred reactor proposed by the present invention;

[0017] Figure 2 This is a partial structural cross-sectional view of a flow-blocking device in a stirred reactor proposed by the present invention;

[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0019] Legend:

[0020] 1. Reaction barrel; 2. Mounting frame; 3. Motor; 7. Stirring shaft; 9. Feed pipe; 10. Density meter; 11. Motor current detection device; 12. Mounting ring; 13. Stirring blade; 14. Baffle; 15. Arc groove; 16. Pressure plate; 17. Reinforcement plate; 18. Stirring roller; 19. Bump; 20. Reinforcement rib; 21. Discharge port; 22. Mounting plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a flow blocking device in a stirred reaction tank, comprising a reaction barrel 1, a mounting plate 22 is fixedly connected to the top of the reaction barrel 1, a mounting frame 2 is fixedly connected to the inner side of the mounting plate 22, a motor 3 is fixedly connected to the top of the mounting frame 2, an output end of the motor 3 is fixedly connected to a stirring shaft 7, the stirring shaft 7 is rotatably connected to the inside of the mounting frame 2, and the bottom end of the stirring shaft 7 is rotatably connected to the inner bottom of the reaction barrel 1, the outside of the stirring shaft 7 is fixedly connected to a mounting ring 12, the outside of the mounting ring 12 is fixedly connected to a stirring blade 13, a detection component is fixedly connected to the inside of the mounting frame 2, and the detection component is used to detect stirring data, the detection component comprises a feeding pipe 9, the outside of the feeding pipe 9 is fixedly connected to the inside of the mounting frame 2, a density detector 10 is arranged on the outside of the feeding pipe 9, the bottom end of the feeding pipe 9 is arranged inside the reaction barrel 1, and a motor current detection device 11 is arranged on the outside of the reaction barrel 1.

[0023] The stirring shaft 7 is driven to rotate by the motor 3, and the stirring shaft 7 drives the stirring blade 13 to mix and stir the materials. During stirring, the motor current detection device 11 detects the current intensity of the motor 3. When an abnormal situation occurs in the motor current detection device 11, corresponding measures are taken according to the detection device to ensure the long-term stable operation of the production process. A density detector 10 is set on the feed pipe 9 on the stirring reaction tank. The density detector 10 is used to detect the density of the reaction material to ensure the uniformity of the density of the material at the bottom and top of the entire stirring reaction tank.

[0024] Reference Figure 2 and Figure 3The motor current detection device 11 is electrically connected with the motor 3, the inner side of the reaction bucket 1 is fixedly connected with the baffle 14, the outer side of the baffle 14 is provided with the arc-shaped groove 15, the inner side of the reaction bucket 1 is fixedly connected with the flow-pressing plate 16, the bottom of the flow-pressing plate 16 is fixedly connected with the reinforcing plate 17, and the outer side of the reinforcing plate 17 is fixedly connected to the inner side of the reaction bucket 1.

[0025] The stirring shaft 7 drives the stirring blade 13 to mix and stir the materials, so that the materials are mixed and stirred, the structure stability of the barrel body and the flow-pressing plate 16 is improved by additionally arranging the baffle 14, the protruding part of the baffle 14 collides with the materials and liquid during stirring, so that the materials are more fully stirred, and the stirring efficiency and stirring uniformity are further improved, the flow-pressing plate 16 is arranged in three groups, the inner diameters of the three groups are sequentially increased from top to bottom, and the flow-pressing plates 16 are sequentially arranged along the inner side wall of the barrel body from top to bottom, the blocking rate of the flow-pressing plate 16 for preventing the materials and liquid from splashing is further improved, and the reinforcing plate 17 is used for further improving the strength of the flow-pressing plate 16.

[0026] Referring to Figure 1 , Figure 2 and Figure 3 , the inner side of the reaction bucket 1 is rotatably connected with the stirring roller 18, the outer side of the stirring roller 18 is fixedly connected with the protruding block 19, the outer side of the reaction bucket 1 is fixedly connected with the reinforcing rib 20, the outer side of the reaction bucket 1 is provided with the discharge port 21, and the inner side of the flow-pressing plate 16 is fixedly connected with the baffle 14.

[0027] The stirring roller 18 cooperates with the protruding block 19 to improve the uniformity of material stirring, the reinforcing rib 20 is used for improving the strength of the reaction bucket 1, the discharge port 21 is used for discharging materials, and the baffle 14 improves the structure stability of the barrel body and the flow-pressing plate 16.

[0028] Working principle: When using the device, the motor 3 drives the stirring shaft 7 to rotate, and the stirring shaft 7 drives the stirring blade 13 to mix and stir the materials. While stirring, the motor current detection device 11 detects the motor 3. When the motor current detection device 11 has an abnormal situation, corresponding measures are taken according to the detection device to ensure the long-term stable operation of the production process. A density detector 10 is set on the feeding pipe 9 on the stirring reaction tank. The density detector 10 is used to detect the density of the reaction material to ensure the uniformity of the density of the material at the bottom and the top of the entire stirring reaction tank. When the density of the reaction material differs greatly, the reaction material is adjusted in time to make the reactants The density of the material is uniform, which greatly improves the service life of the device. The stirring shaft 7 drives the stirring blade 13 to mix and stir the materials, thereby realizing material mixing and stirring. By adding the baffle 14, the structural stability of the barrel body and the structural stability of the pressure flow plate 16 are improved. The raised portion of the baffle 14 will collide with the material and liquid during the stirring process, so that the material is stirred more fully, thereby further achieving the effect of further improving the stirring efficiency and stirring uniformity. By setting the pressure flow plate 16 into three groups of inner diameters increasing from top to bottom, and arranging them from top to bottom along the inner wall of the barrel body, the barrier rate of the pressure flow plate 16 to prevent material and liquid splashing is further enhanced.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A flow blocking device in a stirred reactor, comprising a reaction barrel (1), characterized in that: The top of the reaction barrel (1) is fixedly connected to a mounting plate (22), the inner side of the mounting plate (22) is fixedly connected to a mounting frame (2), the top of the mounting frame (2) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a stirring shaft (7), the stirring shaft (7) is rotatably connected to the inside of the mounting frame (2), the bottom end of the stirring shaft (7) is rotatably connected to the inner bottom of the reaction barrel (1), the outside of the stirring shaft (7) is fixedly connected to a mounting ring (12), the outside of the mounting ring (12) is fixedly connected to a stirring blade (13), the inside of the mounting frame (2) is fixedly connected to a detection component, and the detection component is used to detect stirring data.

2. The flow blocking device in a stirred reactor according to claim 1, characterized in that: The detection assembly comprises a feed pipe (9), the outside of the feed pipe (9) is fixedly connected to the inside of the mounting frame (2), a density detector (10) is provided on the outside of the feed pipe (9), the bottom end of the feed pipe (9) is provided inside the reaction barrel (1), and a motor current detection device (11) is provided on the outside of the reaction barrel (1).

3. The flow blocking device in a stirred reactor according to claim 2, characterized in that: The motor current detection device (11) is electrically connected to the motor (3).

4. The flow blocking device in a stirred reactor according to claim 1, characterized in that: The inner side of each reaction barrel (1) is fixedly connected with a baffle (14), and the outer side of each baffle (14) is provided with an arc groove (15).

5. The flow blocking device in a stirred reactor according to claim 1, characterized in that: The inner side of the reaction barrel (1) is fixedly connected to a pressure flow plate (16), the bottom of the pressure flow plate (16) is fixedly connected to a reinforcement plate (17), and the outer side of the reinforcement plate (17) is fixedly connected to the inner side of the reaction barrel (1).

6. The flow blocking device in a stirred reactor according to claim 1, characterized in that: The inner side of the reaction barrel (1) is rotatably connected to a stirring roller (18), and the outer side of the stirring roller (18) is fixedly connected to a protrusion (19).

7. The flow blocking device in a stirred reactor according to claim 1, characterized in that: The outside of the reaction barrel (1) is fixedly connected with reinforcing ribs (20), and the outside of the reaction barrel (1) is provided with a discharge port (21).

8. The flow blocking device in a stirred reactor according to claim 5, characterized in that: The interior of the pressure flow plate (16) is fixedly connected with a baffle (14).