Stirrer of chemical reaction kettle

By using a stirring screw with spiral scraper in the chemical reactor, the problem of chemical powder adhesion and agglomeration caused by traditional stirrers is solved, and the better mixing effect of chemical powder and agent is achieved.

CN222678056UActive Publication Date: 2025-03-28PROBIO TECH (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202421013607.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-03-28
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

In chemical reactors, traditional stirrers produce vortex during the stirring process, causing chemical powder to adhere to the inner wall of the kettle and form agglomeration, which in turn causes chemical powder to be unable to mix fully with the agent.

Method used

A chemical reactor stirrer is designed, and a stirring screw is used to drive a scraper with a spiral structure. The scraper is close to the inner wall of the chemical reactor, and the chemical powder attached to the inner wall is continuously scraped off during the stirring process.

Benefits of technology

It effectively avoids the long-term attachment of chemical powder to the inner wall of chemical reactor to produce agglomeration, and improves the full mixing effect of chemical powder and chemical agents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of stirrers, in particular to a chemical reaction kettle stirrer, which adopts the technical scheme that the chemical reaction kettle stirrer comprises a chemical reaction kettle and a stirring screw rod, a kettle cover is mounted at an upper end opening of the chemical reaction kettle, a hole is formed in the center of the top surface of the kettle cover, and a turntable is rotationally mounted in the hole in the center of the top surface of the kettle cover; the rotating disc penetrates through an opening in the top face of the kettle cover and extends to the bottom face of the kettle cover, the bottom face of the kettle cover is connected with a connector, the lower end of the connector is fixedly connected with the upper end of a stirring screw, and scraping strips are arranged on the periphery of the outer side of the stirring screw and tightly attached to the inner wall of the chemical reaction kettle. The chemical reaction kettle has the beneficial effects that the stirring screw drives the scraping strip with the spiral structure to continuously scrape off chemical powder attached to the upper part of the inner wall of the chemical reaction kettle in the stirring process, so that the effect that the chemical powder wetted by a medicament is prevented from being attached to the upper part of the inner wall of the chemical reaction kettle for a long time to generate caking is achieved; and the chemical powder can be better and fully mixed with the chemical agent.
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Description

Technical Field

[0001] The utility model relates to the field of stirrers, in particular to a chemical reaction kettle stirrer. Background Art

[0002] A chemical reactor is a device used for chemical reactions, usually for the preparation of chemicals, drugs, food and other products. The agitator is a key component in a chemical reactor, used to fully mix the reaction materials to promote the chemical reaction. The agitator is usually composed of rotating blades or stirring paddles, which stir or agitate the reaction materials to achieve a uniform mixing state.

[0003] The prior art has the following deficiencies: when a stirrer is used to mix chemical powder and chemical agents in a chemical reactor, the stirrer will stir the chemical agents in the chemical reactor to rotate continuously, generating a vortex, which will cause the chemical agent liquid level to be high on all sides and low in the center. The vortex can easily drive the chemical powder soaked in the chemical agent to adhere to the inner wall of the chemical reactor. The chemical powder attached to the inner wall of the chemical reactor will form lumps, resulting in the problem that a large amount of chemical powder cannot be fully mixed with the chemical agent.

[0004] Therefore, it is necessary to invent a chemical reaction kettle agitator. Utility Model Content

[0005] To this end, the utility model provides a chemical reactor agitator, which drives a scraper bar with a spiral structure through a stirring screw to continuously scrape off chemical powder attached to the inner wall of the chemical reactor during the stirring process, so as to solve the problem that the traditional agitator will stir the chemical agents in the chemical reactor to continuously rotate and generate a vortex, which will make the chemical agent liquid level present a situation where the surrounding area is high and the center is low. The vortex can easily drive the chemical powder soaked by the chemical agent to adhere to the inner wall of the chemical reactor, and the chemical powder attached to the inner wall of the chemical reactor will produce lumps, resulting in a large amount of chemical powder cannot be fully mixed with the chemical agent.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chemical reactor agitator, comprising a chemical reactor and a stirring screw, a reactor cover is installed on the upper end port of the chemical reactor, an opening is arranged in the center of the top surface of the reactor cover, a turntable is rotatably installed in the central opening on the top surface of the reactor cover, the turntable passes through the opening on the top surface of the reactor cover and extends to the bottom surface of the reactor cover, a connecting head is connected to the bottom surface of the reactor cover, the lower end of the connecting head is fixedly connected to the upper end of the stirring screw, and scraping strips are arranged around the outer side of the stirring screw, and the scraping strips are tightly attached to the inner wall of the chemical reactor.

[0007] Preferably, the stirring screw is arranged in the center of the chemical reactor, and connecting rods are fixedly installed around the middle of the outer wall of the stirring screw, and one end of the connecting rod away from the stirring screw is fixedly connected to the middle of the scraper bar.

[0008] Preferably, the scraper strip has a spiral structure, the upper end of the scraper strip spirally extends upward to above the inner wall of the chemical reactor, and the outer wall of the scraper strip is wrapped with a soft rubber layer.

[0009] Preferably, a latch is fixedly installed on the bottom surface of the turntable, the latch is a hexagonal prism structure, a hexagonal groove is provided on the top surface of the upper end of the connecting head, the latch can be inserted into the hexagonal groove on the upper end of the connecting head, and the turntable is connected to the connecting head by plugging and pulling out the latch.

[0010] Preferably, a bracket is fixedly mounted on the top surface of the kettle cover, a motor is fixedly mounted on the inner wall of the bracket, an output end at the lower end of the motor is inserted into the center of the top surface of the turntable, and the output end of the motor is fixedly connected to the turntable.

[0011] Preferably, an annular groove is provided in the center of the arc-shaped outer wall of the turntable, and an annular protrusion is provided on the inner wall of the circular hole of the kettle cover. The annular protrusion on the inner wall of the circular hole of the kettle cover is inserted into the annular groove on the arc-shaped outer wall of the turntable, and the turntable is rotatably installed on the inner wall of the circular hole of the kettle cover through the annular groove.

[0012] Preferably, annular grooves are provided on the upper and lower sides of the inner wall of the annular groove of the turntable, and annular grooves are provided on three sides of the outer wall of the annular protrusion of the kettle cover, and a number of balls are rollingly installed between the annular groove of the annular groove of the turntable and the annular protrusion of the kettle cover.

[0013] The beneficial effect of the utility model is that the scraping strip with a spiral structure is driven by the stirring screw to continuously scrape off the chemical powder attached to the inner wall of the chemical reactor during the stirring process, so as to avoid the chemical powder soaked by the agent from being attached to the inner wall of the chemical reactor for a long time and forming lumps, so that the chemical powder can be better mixed with the chemical agent. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A diagram of the use of a chemical reactor agitator provided by the utility model;

[0015] Figure 2 A cross-sectional view of a chemical reaction kettle agitator provided by the utility model;

[0016] Figure 3 A schematic diagram of the structure of a chemical reactor agitator provided by the utility model;

[0017] Figure 4 A schematic diagram of the plugging and unplugging of a pin and a connector of a chemical reactor stirrer provided by the utility model;

[0018] Figure 5 A schematic diagram of the rotational connection between the kettle cover and the turntable of a chemical reactor agitator provided by the utility model;

[0019] Figure 6 The utility model provides a sectional view of a kettle cover and a turntable of a chemical reaction kettle agitator.

[0020] In the figure: a chemical reaction kettle 11, a kettle cover 12, a bracket 13, a motor 21, a turntable 22, a ball 23, a latch 24, a connector 25, a stirring screw 26, a connecting rod 27, and a scraper 28. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0022] Example 1

[0023] like Figure 1-Figure 3 As shown, a chemical reactor agitator in an embodiment of the first aspect of the utility model comprises a chemical reactor 11 and a stirring screw 26, a reactor cover 12 is installed at the upper end port of the chemical reactor 11, an opening is arranged in the center of the top surface of the reactor cover 12, a turntable 22 is rotatably installed in the central opening on the top surface of the reactor cover 12, the turntable 22 passes through the opening on the top surface of the reactor cover 12 and extends to the bottom surface of the reactor cover 12, a connector 25 is connected to the bottom surface of the reactor cover 12, the lower end of the connector 25 is fixedly connected to the upper end of the stirring screw 26, and scrapers 28 are arranged around the outer side of the stirring screw 26, and the scrapers 28 are close to the inner wall of the chemical reactor 11.

[0024] In the above embodiment, it should be noted that the chemical reactor 11 is a container device for performing chemical reactions, which belongs to the prior art. The reactor cover 12 is a metal cover, and the reactor cover 12 is sealed and connected to the chemical reactor 11. The reactor cover 12 is opened to put chemical agents and chemical powders into the chemical reactor 11. After the reactor cover 12 is closed, the turntable 22 is rotated, and the turntable 22 drives the connecting head 25 and the stirring screw 26 to rotate continuously to achieve the effect of stirring and mixing the chemical agents and the chemical powders. During the stirring process, the chemical agents are affected by the centrifugal force to generate a vortex and drive the chemical powders floating on the liquid surface to adhere to the inner wall of the chemical powders. The scraper 28 is driven by the stirring screw 26 to rotate continuously, and the chemical powders attached to the inner wall of the chemical reactor are continuously scraped off during the stirring process to achieve the effect of preventing the chemical powders soaked by the agents from being attached to the inner wall of the chemical reactor for a long time to produce lumps, so that the chemical powders can be better mixed with the chemical agents.

[0025] Example 2

[0026] like Figure 1-Figure 3As shown, a chemical reactor agitator includes all the contents of Example 1. In addition, the stirring screw 26 is arranged in the center of the chemical reactor 11, and connecting rods 27 are fixedly installed around the middle of the outer wall of the stirring screw 26. The end of the connecting rod 27 away from the stirring screw 26 is fixedly connected to the middle of the scraper 28. The scraper 28 has a spiral structure. The upper end of the scraper 28 spirally extends upward to above the inner wall of the chemical reactor 11, and the outer wall of the scraper 28 is wrapped with a soft rubber layer.

[0027] In the above embodiment, it should be noted that the connecting rod 27 is a metal connecting rod, and the soft rubber layer wrapped around the outer wall of the scraper strip 28 is made of corrosion-resistant rubber material. The soft rubber layer enables the scraper strip 28 to better fit the inner wall of the chemical reactor 11.

[0028] Example 3

[0029] like Figure 4 As shown, a chemical reactor agitator includes all the contents of Example 1. In addition, a pin 24 is fixedly installed on the bottom surface of the turntable 22, and the pin 24 is a hexagonal prism structure. A hexagonal groove is provided on the top surface of the upper end of the connecting head 25. The pin 24 can be inserted into the hexagonal groove at the upper end of the connecting head 25, and the turntable 22 is connected to the connecting head 25 by plugging and pulling out the pin 24.

[0030] In the above embodiment, it should be noted that the diameter of the pin 24 is equal to the inner diameter of the hexagonal groove, and the pin 24 and the hexagonal groove have an interference fit. By unplugging the plug and connector 25, the connector 25 can be disassembled to facilitate cleaning of the scraper 28 and the stirring screw 26.

[0031] Example 4

[0032] like Figure 1-Figure 3 and Figure 5 As shown, a chemical reactor agitator includes all the contents of Example 1. In addition, a bracket 13 is fixedly installed on the top surface of the reactor cover 12, and a motor 21 is fixedly installed on the inner wall of the bracket 13. The output end of the lower end of the motor 21 is inserted into the center of the top surface of the turntable 22, and the output end of the motor 21 is fixedly connected to the turntable 22.

[0033] In the above embodiment, it should be noted that the effect of driving the turntable 22 to rotate is achieved by starting the motor 21 .

[0034] Example 5

[0035] like Figure 5 and Figure 6As shown, a chemical reactor agitator includes all the contents of Example 1, in addition, an annular groove is provided in the center of the arc-shaped outer wall of the turntable 22, and an annular protrusion is provided on the inner wall of the circular hole of the kettle cover 12, and the annular protrusion on the inner wall of the circular hole of the kettle cover 12 is inserted into the annular groove of the arc-shaped outer wall of the turntable 22, and the turntable 22 is rotatably installed on the inner wall of the circular hole of the kettle cover 12 through the annular groove, and annular grooves are provided on the upper and lower sides of the inner wall of the annular groove of the turntable 22, and annular grooves are provided on three sides of the outer wall of the annular protrusion of the kettle cover 12, and a plurality of balls 23 are rollingly installed between the annular groove of the annular groove of the turntable 22 and the annular groove of the annular protrusion of the kettle cover 12.

[0036] In the above embodiment, it should be noted that the sliding friction between the annular groove of the turntable 22 and the annular protrusion of the kettle cover 12 is converted into the rolling friction of the ball 23 through the ball 23, so as to greatly reduce the friction between the turntable 22 and the kettle cover 12, which can effectively increase the rotation speed of the stirring screw 26 and improve the stirring efficiency.

[0037] The use process of the utility model is as follows: a technician in this field opens the kettle cover 12 and puts chemicals and chemical powders into the chemical reactor 11. After closing the kettle cover 12, he starts the motor 21 to drive the turntable 22 to rotate. The turntable 22 drives the connecting head 25 and the stirring screw 26 to rotate continuously to stir and mix the chemicals and chemical powders. During the stirring process, the chemicals are affected by the centrifugal force to generate a vortex and drive the chemical powder floating on the liquid surface to adhere to the inner wall of the chemical powder. The stirring screw 26 drives the connecting rod 27 and the scraper 28 to rotate continuously, and the chemical powder attached to the inner wall of the chemical reactor is continuously scraped off during the stirring process.

[0038] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A chemical reactor stirrer, comprising a chemical reactor (11) and a stirring screw (26), wherein a reactor cover (12) is installed at the upper end port of the chemical reactor (11), and an opening is provided in the center of the top surface of the reactor cover (12), characterized in that: A turntable (22) is rotatably mounted in a central opening on the top surface of the kettle cover (12); the turntable (22) passes through the opening on the top surface of the kettle cover (12) and extends to the bottom surface of the kettle cover (12); a connector (25) is connected to the bottom surface of the kettle cover (12); the lower end of the connector (25) is fixedly connected to the upper end of a stirring screw (26); scrapers (28) are arranged around the outer side of the stirring screw (26); and the scrapers (28) are closely attached to the inner wall of the chemical reactor (11).

2. A chemical reactor agitator according to claim 1, characterized in that: The stirring screw (26) is arranged in the center of the chemical reactor (11), and connecting rods (27) are fixedly installed around the middle of the outer wall of the stirring screw (26). One end of the connecting rod (27) away from the stirring screw (26) is fixedly connected to the middle of the scraper (28).

3. A chemical reactor agitator according to claim 1, characterized in that: The scraper (28) has a spiral structure, and the upper end of the scraper (28) spirally extends upward to above the inner wall of the chemical reaction kettle (11), and the outer wall of the scraper (28) is wrapped with a soft rubber layer.

4. A chemical reactor agitator according to claim 1, characterized in that: A latch (24) is fixedly mounted on the bottom surface of the turntable (22), the latch (24) being in a hexagonal prism structure, a hexagonal groove is arranged on the top surface of the upper end of the connector (25), the latch (24) can be inserted into the hexagonal groove at the upper end of the connector (25), and the turntable (22) is connected to the connector (25) by plugging and pulling out the latch (24).

5. A chemical reaction kettle agitator according to claim 1, characterized in that: A bracket (13) is fixedly mounted on the top surface of the kettle cover (12), a motor (21) is fixedly mounted on the inner wall of the bracket (13), an output end at the lower end of the motor (21) is inserted into the center of the top surface of the turntable (22), and the output end of the motor (21) is fixedly connected to the turntable (22).

6. A chemical reactor agitator according to claim 1, characterized in that: An annular groove is provided at the center of the arc-shaped outer wall of the turntable (22), and an annular protrusion is provided on the inner wall of the circular hole of the kettle cover (12). The annular protrusion on the inner wall of the circular hole of the kettle cover (12) is inserted into the annular groove on the arc-shaped outer wall of the turntable (22), and the turntable (22) is rotatably mounted on the inner wall of the circular hole of the kettle cover (12) via the annular groove.

7. A chemical reaction kettle agitator according to claim 6, characterized in that: Annular grooves are arranged on the upper and lower sides of the inner wall of the annular groove of the rotating disk (22), and annular grooves are arranged on three sides of the outer wall of the annular protrusion of the kettle cover (12). A plurality of balls (23) are rotatably mounted between the annular groove of the annular groove of the rotating disk (22) and the annular protrusion of the kettle cover (12).