Reaction kettle stirring device and reaction kettle

Abstract

The utility model discloses a reaction kettle stirring device and a reaction kettle, and relates to the technical field of reaction kettles, the reaction kettle stirring device comprises a connecting piece, a reciprocating driving piece and a stirring component, the connecting piece is used for being connected with an output shaft of a stirring driving device, and the stirring component is connected with the connecting piece; the stirring component can rotate around the output shaft under the driving of the stirring driving device, and can reciprocate in the radial direction of the output shaft of the stirring driving device under the driving of the reciprocating driving part, so that the radial stirring range of the stirring component when the stirring component rotates around the output shaft of the stirring driving device in the circumferential direction is enlarged; the raw materials in the reaction kettle are stirred more uniformly, and the reaction is more sufficient.

Description

Technical Field

[0001] The utility model relates to the technical field of reaction kettles, in particular to a stirring device for a reaction kettle and a reaction kettle. Background Art

[0002] Generally speaking, a reaction kettle is a container for physical or chemical reactions. Through the structural design and parameter configuration of the container, functions such as heating, evaporation, cooling, and mixing at low and high speeds required by the process are realized. The Chinese utility model patent CN217887966U discloses a reaction kettle with an inner wall cleaning function. A stirring mechanism is arranged in the kettle body of the reaction kettle. When the stirring blades on the stirring mechanism rotate around the stirring shaft, circumferential movement can be realized, but radial movement cannot be realized simultaneously, resulting in uneven stirring of the raw materials in the reaction kettle and insufficient reaction. Content of the Utility Model

[0003] The purpose of the utility model is to provide a stirring device for a reaction kettle and a reaction kettle to solve the problems existing in the above-mentioned prior art, so that the raw materials in the reaction kettle are stirred more evenly and the reaction is more sufficient.

[0004] To achieve the above purpose, the utility model provides the following scheme:

[0005] The utility model provides a stirring device for a reaction kettle, which is characterized in that: it includes a connecting piece, a reciprocating driving piece and a stirring member. The connecting piece is used to connect with the output shaft of the stirring driving device. The stirring member is connected with the connecting piece. The stirring member can rotate around the output shaft under the drive of the stirring driving device. The reciprocating driving piece can drive the stirring member to reciprocate in the radial direction of the output shaft.

[0006] Preferably, the reciprocating driving piece includes a driving piece and a resetting piece. The driving piece is used to be fixedly connected with the inner wall of the kettle body of the reaction kettle. The driving piece is annular and sleeved outside the stirring member. A plurality of driving protrusions are arranged on the inner wall surface of the driving piece. The plurality of driving protrusions are distributed circumferentially. The stirring member and the connecting piece are slidably connected in the radial direction of the output shaft. One end of the resetting piece is connected with the connecting piece, and the other end is connected with the stirring member. When the stirring member rotates around the axis of the output shaft, it can overcome the acting force of the resetting piece and move in the radial direction of the output shaft towards the direction close to the output shaft under the action of the driving protrusion, or move in the radial direction of the output shaft away from the output shaft under the action of the resetting piece.

[0007] Preferably, the reset member includes an elastic element. A chute is formed in the connecting member. The stirring member is fixedly connected with a slider. The slider can slide in the chute. One end of the elastic element is fixedly connected with the inner wall of the slider, and the other end of the elastic element is fixedly connected with the end of the connecting member. A roller is rotatably connected to the end of the slider away from the output shaft in the radial direction of the output shaft, and the roller is used to abut against the driving protrusion.

[0008] Preferably, a cleaning device is further included. The cleaning device is used to connect with the output shaft and can clean the inner wall of the kettle body while rotating around the output shaft.

[0009] Preferably, the cleaning device includes a spraying device and a cleaning and scraping member. The spraying device can spray cleaning liquid onto the inner wall of the kettle body. The cleaning and scraping member is connected to the output shaft and is used to contact the inner wall of the kettle body to clean the inner wall of the kettle body when rotating around the output shaft. Preferably, the cleaning and scraping member can also stir the raw materials in the kettle body when rotating around the output shaft.

[0010] The present utility model also provides a reaction kettle, which includes a kettle body and the reaction kettle stirring device.

[0011] Preferably, a temperature control device is further included. The temperature control device includes a temperature control pipe. The temperature control pipe is spirally arranged inside the side wall of the kettle body. The two ends of the temperature control pipe are connected to an external cold source or heat source, and the temperature control pipe is used to heat or cool the substances inside the kettle body.

[0012] Preferably, a liquid level observation device is further included. The liquid level observation device is arranged on the kettle body and can monitor the liquid level inside the kettle body.

[0013] Preferably, a sedimentation tank is further included. The sedimentation tank is arranged below the kettle body and is communicated with the inside of the kettle body through a pipeline. A valve is arranged on the pipeline. An outlet is arranged on the sedimentation tank, and an outlet door capable of closing the outlet is connected to the outlet.

[0014] Preferably, support columns and a cover plate are further included. The bottom end of the kettle body is fixedly connected with support columns. The top opening of the kettle body is connected with a cover plate capable of closing the opening. A feeding port and an observation hole are formed in the cover plate.

[0015] The present utility model has achieved the following technical effects compared with the prior art:

[0016] The reactor stirring device and the reactor provided by the utility model can make the stirring member reciprocate radially on the output shaft of the stirring driving device under the drive of the reciprocating driving member, increasing the radial stirring range when the stirring member rotates circumferentially around the output shaft of the stirring driving device, making the raw materials in the reactor more evenly stirred and the reaction more complete. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic structural diagram of a reactor stirring device in one embodiment;

[0019] Figure 2 It is a schematic internal structure diagram of a reactor in one embodiment;

[0020] Figure 3 It is a schematic structural diagram of a reactor in one embodiment;

[0021] In the figure: 1 - reactor; 2 - support column; 3, cover plate; 4 - observation hole; 5 - U-shaped tube; 6 - sedimentation tank; 7 - liquid level tube; 8 - kettle body; 9 - temperature control tube; 10 - connector; 11 - driving member; 12 - spray head; 13 - liquid inlet pipe; 14 - stirring driving device; 15 - stirring shaft; 16 - stirring paddle; 17 - scraper; 18 - connecting member; 19 - first slider; 20 - elastic element; 21 - roller; 22 - stirring member; 23 - driving protrusion. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0023] The purpose of the present utility model is to provide a reactor stirring device and a reactor to solve the problems existing in the above-mentioned prior art, making the raw materials in the reactor more evenly stirred and the reaction more complete.

[0024] To make the above-mentioned objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0025] Example 1

[0026] As Figure 1 shown, this embodiment provides a stirring device for a reaction kettle, which includes a connecting member 18, a reciprocating driving member and a stirring member 22. A stirring shaft 15 is fixedly connected to the output shaft of the stirring driving device. The connecting member 18 is connected to the stirring shaft 15, and the stirring member 22 is connected to the connecting member 18. The stirring member 22 can rotate around the output shaft 15 under the drive of the stirring driving device 14 to stir the substances in the reaction kettle 1 in the circumferential direction. The reciprocating driving member can drive the stirring member 22 to reciprocate in the radial direction of the output shaft 15, so as to increase the stirring range in the radial direction when the stirring member 22 rotates in the circumferential direction around the output shaft, making the raw materials in the reaction kettle 1 stirred more evenly and the reaction more complete.

[0027] In another relatively preferred embodiment of this embodiment, the reciprocating driving member includes a driving member 11 and a reset member. The driving member 11 is used for fixedly connecting to the inner wall of the kettle body of the reaction kettle. The driving member 11 is annular and sleeved outside the stirring member, and a plurality of driving protrusions 23 are provided on the inner wall surface of the driving member 11. The plurality of driving protrusions 23 are distributed along the circumference. The stirring member 22 and the connecting member 18 are slidably connected in the radial direction of the output shaft 15. One end of the reset member is connected to the connecting member 18, and one end is connected to the stirring member 22. When the stirring member 22 rotates around the axis of the output shaft 15, it can overcome the acting force of the reset member and move in the radial direction of the output shaft 15 towards the direction close to the output shaft 15 under the action of the driving protrusion 23, or move in the radial direction of the output shaft 15 away from the output shaft 15 under the acting force of the reset member, so that the stirring member 22 realizes reciprocating movement in the radial direction of the output shaft 15, increasing the stirring range of the stirring member 22 in the radial direction and stirring the raw materials in the kettle body more fully.

[0028] In another relatively preferred embodiment of the present embodiment, the reset member includes an elastic member 20. First chutes are respectively formed on two opposite side surfaces of the connecting member 18. The stirring member 22 is fixedly connected with a first slider 19. The first slider is C-shaped. Two wings of the first slider 19 can slide in the chutes. One end of the elastic member 20 is fixedly connected with the inner wall of the first slider 19, and the other end is fixedly connected with the end of the connecting member 18. A roller 21 is rotatably connected to the first slider 19 at the end far from the output shaft. The roller 21 is used to abut against a plurality of driving protrusions 23 on the inner wall of the driving member 11. The roller 21 can roll along the driving protrusions on the inner wall surface of the driving member 11. When the stirring member 22 rotates around the axis of the output shaft, the roller 21 rolls along the inner wall surface of the driving member 11 and is affected by the driving protrusions, so that the first slider 19 slides along the first chute in a direction close to the output shaft against the elastic force of the elastic member 20, thereby driving the stirring member 22 to move in the radial direction of the output shaft in a direction close to the output shaft. Or the roller 21 rolls along the inner wall surface of the driving member 11 and is affected by the restoring force of the elastic member 20, so that the first slider 19 slides along the first chute in a direction away from the output shaft 15, driving the stirring member 22 to move in the radial direction of the output shaft 15 in a direction away from the output shaft 15, so that the stirring member 22 realizes reciprocating movement in the radial direction of the output shaft 15, increasing the stirring range of the stirring member 22 and stirring the raw materials in the kettle more fully.

[0029] In another relatively preferred embodiment of the present embodiment, the reciprocating driving member includes a second slider, a radial movement driving motor and a ball screw. The radial movement driving motor is arranged on the output shaft of the stirring driving device. The ball screw is fixedly connected with the radial movement driving motor. The ball screw is in threaded connection with the slider. The radial movement driving motor drives the ball screw to rotate, so that the second slider makes a reciprocating linear motion along the second chute formed on the connecting member, driving the stirring member to make a reciprocating movement in the radial direction of the output shaft of the stirring driving device.

[0030] In another relatively preferred embodiment of the present embodiment, the reaction kettle stirring device further includes a cleaning device. The cleaning device is used to be connected with the stirring shaft 15. The cleaning device can clean the inner wall of the kettle 8 while rotating around the output shaft, so as to prevent excessive raw materials remaining on the inner wall of the kettle 8 from affecting the normal operation of the stirring device.

[0031] In another relatively preferred embodiment of the present embodiment, the cleaning device includes a spraying device and a cleaning and scraping member. The spraying device can spray cleaning liquid onto the inner wall of the kettle. The cleaning and scraping member is connected with the output shaft of the stirring driving device. The cleaning and scraping member is used to contact the inner wall of the kettle to clean the inner wall of the kettle 8 when rotating around the output shaft of the stirring driving device. Preferably, the cleaning and scraping member can also stir the raw materials in the kettle.

[0032] In another relatively preferred embodiment of this embodiment, the spraying device includes a delivery pipe and a nozzle 12. The delivery pipe is annular and fixedly connected to the driving member, or the inner cavity of the driving member 11 is used as the delivery pipe. An inlet pipe 13 and a plurality of nozzles 12 are connected to the delivery pipe. The inlet pipe 13 can be connected to the cleaning liquid externally delivered. Each nozzle 12 is distributed along the circumference and sprays the cleaning liquid onto the inner wall of the kettle body 8, capable of softening, decomposing, and flushing the residual raw materials attached to the inner wall of the kettle body.

[0033] In another relatively preferred embodiment of this embodiment, the cleaning and scraping member includes a stirring paddle 16 and a scraping plate 17. One end of the stirring paddle 16 is fixedly connected to the stirring shaft 15, and the other end is fixedly connected to the scraping plate 17. A hard brush is fixedly arranged on the scraping plate 17. When the cleaning and scraping member rotates around the output shaft of the stirring driving device, the residual raw materials attached to the inner wall of the kettle body are brushed off by the brush, and the residual raw materials brushed off are flushed to the discharge port by the cleaning liquid sprayed by the spraying device. In addition, by arranging the stirring paddle 16 and the scraping plate 17, the raw materials in the kettle body can be stirred, enhancing the stirring effect of the reaction kettle and making the reaction of the raw materials in the reaction kettle more sufficient.

[0034] In another relatively preferred embodiment of this embodiment, the cleaning device includes a rolling cleaning brush. The rolling cleaning brush includes a brush handle and a rolling cleaning brush head. One end of the brush handle is fixedly connected to the output shaft of the stirring driving device, and the other end is fixed with the rolling cleaning brush head. Both the stirring shaft and the brush handle have inner cavities. One end of the brush handle connected to the rolling cleaning brush head has a nozzle. The inner cavity of the stirring shaft is communicated with the inner cavity of the brush handle and can transmit the cleaning liquid, enabling the nozzle to spray the cleaning liquid onto the rolling cleaning brush head. The cleaning device can clean the inner wall of the kettle body 8 while rotating around the output shaft to prevent excessive residual raw materials on the inner wall of the kettle body 8 from affecting the normal operation of the stirring device.

[0035] Embodiment Two

[0036] This embodiment provides a reaction kettle, including a kettle body and the stirring device in Embodiment One. By arranging the stirring device in the kettle body, the substances in the reaction kettle 1 are stirred circumferentially and at the same time the stirring member can reciprocate radially along the output shaft of the stirring driving device, so as to increase the radial stirring range when the stirring member rotates circumferentially around the output shaft of the stirring driving device, making the stirring of the raw materials in the reaction kettle 1 more uniform and the reaction more sufficient.

[0037] In another relatively preferred embodiment of this embodiment, the reaction kettle further includes a temperature control device. The temperature control device includes a temperature control pipe 9. The temperature control pipe 9 is arranged in a spiral shape inside the side wall of the kettle body 8. Both ends of the temperature control pipe 9 are connected to an external cold source or heat source through connectors 10. The temperature control pipe 9 is used to heat or cool the substances inside the kettle body 8, thereby being able to improve the reaction efficiency and stability of the raw materials and ensure the product quality.

[0038] In another relatively preferred embodiment of this embodiment, the reaction kettle further includes a sedimentation tank 6. The sedimentation tank 6 is arranged below the kettle body 8 and is communicated with the inside of the kettle body 8 through a pipeline. A valve is arranged on the pipeline. The sedimentation tank 6 is provided with a discharge port, and the discharge port is connected with a discharge door capable of closing the discharge port. During the stirring process, heavier impurities will be deposited inside the sedimentation tank 6. At this time, the valve is closed and the discharge door is opened to discharge the accumulated impurities in the sedimentation tank. After the stirring is completed, the valve is opened and the discharge door is opened to discharge the raw materials after stirring.

[0039] In another relatively preferred embodiment of this embodiment, the reaction kettle further includes a liquid level observation device. The liquid level observation device is arranged on the kettle body and can monitor the liquid level in the kettle body, so as to intuitively judge the liquid level of the raw materials, avoid overflow or dryness of the kettle body, and ensure the safety and stability of the production process.

[0040] In another relatively preferred embodiment of this embodiment, the liquid level observation device includes a U-shaped tube 5 and a liquid level tube 7. One end of the U-shaped tube 5 is fixedly connected to the bottom end of the kettle body 8, and the other end is fixedly connected to the liquid level tube 7. A sedimentation tank 6 is arranged on the tube body of the U-shaped tube 5. A first valve is arranged on the tube body between the bottom end of the kettle body 8 and the sedimentation tank 6, and a second valve is arranged on the tube body of the U-shaped tube 5 between the connection point of the sedimentation tank 6 and the liquid level tube 7; during the stirring process, the first valve and the second valve are opened, and the discharge door is closed, and the raw materials will enter the liquid level tube 7, which is convenient for intuitively observing the liquid level in the kettle body 8; when it is necessary to discharge the accumulated impurities in the sedimentation tank 6, the first valve and the second valve are closed, the discharge door is opened, and the impurities are discharged; after the stirring is completed, the first valve and the second valve are opened, and the discharge door is opened to discharge the raw materials after stirring in the kettle body 8.

[0041] In another relatively preferred embodiment of this embodiment, the liquid level observation device includes a liquid level sensor arranged on the inner wall of the kettle body and a liquid level gauge arranged on the outer wall of the kettle body. The liquid level sensor can receive the liquid level signal in the kettle body and display the liquid level information on the liquid level gauge, so as to facilitate the operator to intuitively observe the liquid level information in the kettle body.

[0042] In another relatively preferred embodiment of this embodiment, the bottom end of the kettle body 8 is fixedly connected with a support column 2, and the top opening of the kettle body 8 is connected with a cover plate 3 capable of closing the opening. The cover plate 3 is provided with a feeding port and an observation hole 4.

[0043] In this utility model, specific examples are used to elaborate on the principle and implementation manner of the utility model. The description of the above embodiments is only used to help understand the method and its core idea of the utility model; at the same time, for those of ordinary skill in the art, according to the idea of the utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the utility model.

Claims

1. A reactor stirring device, characterized in that: It includes a connecting piece, a reciprocating driving piece and a stirring member. The connecting piece is used for connecting with the output shaft of the stirring driving device. The stirring member is connected with the connecting piece. The stirring member can rotate around the output shaft under the drive of the stirring driving device, and the reciprocating driving piece can drive the stirring member to reciprocate in the radial direction of the output shaft.

2. The reactor stirring device according to claim 1, characterized in that, The reciprocating driving piece includes a driving piece and a reset piece. The driving piece is used for fixedly connecting with the inner wall of the kettle body of the reaction kettle. The driving piece is annular and sleeved outside the stirring member, and a plurality of driving protrusions are arranged on the inner wall surface of the driving piece. The plurality of driving protrusions are distributed along the circumference. The stirring member and the connecting piece are slidably connected in the radial direction of the output shaft. One end of the reset piece is connected with the connecting piece, and the other end is connected with the stirring member. When the stirring member rotates around the axis of the output shaft, under the action of the driving protrusions, it can overcome the acting force of the reset piece and move in the radial direction of the output shaft towards the direction close to the output shaft, or move in the radial direction of the output shaft away from the output shaft under the acting force of the reset piece.

3. The reactor stirring device according to claim 2, wherein, The reset piece includes an elastic element. A chute is formed in the connecting piece. The stirring member is fixedly connected with a slider. The slider can slide in the chute. One end of the elastic element is fixedly connected with the inner wall of the slider, and the other end of the elastic element is fixedly connected with the end of the connecting piece. A roller is rotatably connected to the end of the slider away from the output shaft in the radial direction of the output shaft. The roller is used for abutting against the driving protrusion.

4. The reactor stirring device according to claim 1, characterized in that, It further includes a cleaning device. The cleaning device is used for connecting with the output shaft. The cleaning device can rotate around the output shaft and clean the inner wall of the kettle body at the same time.

5. The reactor stirring device according to claim 4, characterized in that, The cleaning device includes a spraying device and a cleaning and scraping member. The spraying device can spray cleaning liquid onto the inner wall of the kettle body. The cleaning and scraping member is connected with the output shaft. The cleaning and scraping member is used for contacting the inner wall of the kettle body to clean the inner wall of the kettle body when rotating around the output shaft. The cleaning and scraping member can also stir the raw materials in the kettle body when rotating around the output shaft.

6. A reactor, characterized in that, It includes a kettle body and the reaction kettle stirring device according to any one of claims 1 to 5.

7. The reactor according to claim 6, characterized in that, It further includes a temperature control device. The temperature control device includes a temperature control pipe. The temperature control pipe is spirally arranged inside the side wall of the kettle body. The two ends of the temperature control pipe are connected with an external cold source or heat source. The temperature control pipe is used for heating or cooling the substances inside the kettle body.

8. The reactor according to claim 6, characterized in that, It further includes a liquid level observation device. The liquid level observation device is arranged on the kettle body. The liquid level observation device can monitor the liquid level inside the kettle body.

9. The reactor according to claim 6, characterized in that, It further includes a sedimentation tank. The sedimentation tank is arranged below the kettle body and is communicated with the inside of the kettle body through a pipeline. A valve is arranged on the pipeline. The sedimentation tank is provided with a discharge port. The discharge port is connected with a discharge door capable of closing the discharge port.

10. The reactor according to claim 6, characterized in that, It also includes support columns and a cover plate. The bottom end of the kettle body is fixedly connected with the support columns. The top end of the kettle body is connected with an opening and is provided with a cover plate capable of closing the opening. The cover plate is provided with a feeding port and an observation hole.

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