CN219441476U

CN219441476U - Stirring mechanism and reaction kettle

Info

Publication number: CN219441476U
Application number: CN202320399586.8U
Authority: CN
Inventors: 张凌飞; 张森林; 王振全; 苏佩佩; 牛磊
Original assignee: Boai Xinkaiyuan Pharmaceutical Co ltd
Current assignee: Boai Xinkaiyuan Pharmaceutical Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-01
Anticipated expiration: 2033-03-06

Abstract

The utility model relates to a stirring mechanism and a reaction kettle using the stirring mechanism in the technical field of reaction kettles, comprising a stirring assembly, wherein the stirring assembly comprises a stirring paddle I and a plurality of stirring paddles II, a stirring shaft of the stirring paddle I is a stirring pipe with a sealed bottom, and the top of the stirring pipe is connected with a stepping motor through a conical gear I and a conical gear II which are meshed; the stirring tube is fixedly connected with a transmission case, a plurality of stirring paddles II are arranged below the transmission case, the stirring paddles II are connected with a motor at the top end of the stirring tube through a driven wheel and a driving wheel which are matched with each other in the transmission case, a heating sleeve is arranged outside the reaction kettle body, and a heating cylinder matched with the stirring paddles I is arranged in the reaction kettle body. The utility model has reasonable structure, simple operation and large stirring range, can stir and mix materials with high efficiency, and is beneficial to the full reaction of the materials by matching with the heating cylinder to mix the materials in the reaction kettle body with high efficiency.

Description

Stirring mechanism and reaction kettle

Technical Field

The utility model belongs to the technical field of reaction kettles, and particularly relates to a stirring mechanism and a reaction kettle.

Background

When the polyol crosslinked acrylic thickener is prepared, various materials are put into a reaction kettle to be mixed, and the synthesis reaction is carried out under a certain temperature condition. Patent number CN209828970U discloses and a dispersion reation kettle for thickener with assist hot function, including a jar body, lid establish the end cover on the jar body, set up at the internal rabbling mechanism of jar, the charging mechanism of the connection jar body to and set up at the internal heating mechanism of jar, heating mechanism is including being located the internal heating pipe that is the heliciform of jar, the heating furnace that communicates with the heating pipe, and the intercommunication has the compensation jar that highly is higher than the highest department of heating pipe on the heating pipe. This patent has the effect of avoiding heating pipe internal pressure too big and causing the potential safety hazard in order to improve the security, but its rabbling mechanism's stirring scope is fixed, and stirring effect is poor, is unfavorable for the abundant reaction of material, has reduced production efficiency and production effect. Therefore, a stirring mechanism and a reaction kettle are needed to solve the problems.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a stirring mechanism which comprises a stirring assembly, wherein the stirring assembly comprises a stirring paddle I and a plurality of stirring paddles II, a stirring shaft of the stirring paddle I is a stirring pipe with a sealed bottom, a conical gear I is fixed on the outer wall of the top of the stirring pipe, the conical gear I is meshed with a conical gear II, and the conical gear II is connected with a stepping motor;

the stirring pipe is also fixedly connected with a transmission case, and a blade of the stirring paddle I is arranged on the stirring pipe below the transmission case; a plurality of driven wheels are arranged in the transmission case, the driven wheels are uniformly distributed on the circumference taking the stirring pipe as the center, and stirring shafts of a plurality of stirring paddles II extend into the transmission case from the lower part of the transmission case and are fixedly connected with the centers of the corresponding driven wheels; the stirring device is characterized in that a motor is fixed at the top end of the stirring tube and connected with a power supply through a conductive slip ring, an output shaft of the motor is fixedly connected with a rotating rod, the rotating rod stretches into the stirring tube, a plurality of driving wheels are fixed on the rotating rod in a transmission case and correspond to the driven wheels one by one, a transmission chain through hole is formed in the side wall of the stirring tube between the corresponding driving wheels and the driven wheels, and the corresponding driving wheels are connected with the driven wheels through transmission chains.

Preferably, two stirring paddles are arranged.

In the utility model, the stepping motor drives the stirring paddle to rotate, the transmission case and the stirring paddle II arranged on the transmission case rotate by taking the stirring paddle I as a central shaft, and the motor drives the rotating rod to rotate, so that the driving wheel drives the driven wheel to rotate, and the stirring paddle II rotates while rotating around the stirring paddle I. The stirring paddle I and the stirring paddle II are mutually matched, so that the stirring efficiency and the stirring effect are improved.

The reaction kettle comprises a reaction kettle body, wherein the stirring mechanism is arranged in the reaction kettle body.

Preferably, the outside of reation kettle body is equipped with the heating jacket, be equipped with medium import and medium export on the heating jacket, this internal cylindrical heating cylinder that is equipped with both ends open-ended of reation kettle, the bottom of heating cylinder passes through the business turn over material pipe and reation kettle body fixed connection and communicates with the inner chamber of heating jacket. The heating sleeve and the heating cylinder are filled with heating medium, materials in the reaction kettle body are sufficiently heated, and the heating is more uniform and efficient by matching with the stirring paddles I and II, so that the reaction is facilitated.

Preferably, the first stirring paddle is a screw feeding paddle, the first stirring paddle extends into the heating cylinder and is matched with the heating cylinder, and the second stirring paddle is positioned in the reaction kettle body outside the heating cylinder. The first stirring paddle is matched with the heating cylinder to continuously convey the materials at the inner bottom of the reaction kettle body to the top of the heating cylinder and throw the materials outwards, and the second stirring paddle is matched with the stirring paddle to carry out efficient hotter mixing on the materials in the reaction kettle body. Improves the stirring and mixing efficiency, the heating uniformity and the heating efficiency, and is beneficial to the reaction.

Preferably, an electric heating block and a temperature sensor are arranged in the heating cylinder, the electric heating block and the temperature sensor are respectively connected with an external power supply through wires, the temperature sensor is electrically connected with a control component of the electric heating block, and the electric heating block is controlled to heat or stop heating through the temperature in the induction heating cylinder, so that the temperature of the heating cylinder is ensured to be matched with the required temperature of materials. The connection and control of this point is not described in detail here.

The utility model also comprises other components which can enable the stirring mechanism and the reaction kettle to be normally used, such as a control component of a stepping motor, a control component of a motor, a control component (a liquid pump and the like) for controlling medium inlet liquid inlet and medium outlet liquid outlet, a control component of an electric heating block, a control component of a temperature sensor, a feed inlet, a discharge outlet and the like on the reaction kettle body are all conventional technical means in the field. In addition, the undefined devices or components in the utility model all adopt the conventional technical means in the field, such as a transmission chain, a heating sleeve, a screw feeding paddle, a conductive slip ring, an electric heating block, a temperature sensor and the like, which are conventional devices in the field.

The utility model has the beneficial effects of reasonable structure, simple operation and large stirring range, can stir and mix materials with high efficiency, can continuously convey the materials at the inner bottom of the reaction kettle body to the top of the heating cylinder and throw the materials outwards by matching with the heating cylinder, and can mix the materials in the reaction kettle body with high efficiency by matching with the stirring paddle II. The stirring and mixing efficiency, the heating uniformity and the heating efficiency are improved, and the full reaction of each material is facilitated.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a stirring mechanism and a reaction kettle in an embodiment of the utility model;

fig. 2 is a schematic view of the structure in the transmission case of fig. 1.

In the figure: 1. a reaction kettle body; 2. a heating jacket; 3. a stepping motor; 4. a stirring tube; 5. a transmission case; 6. a drive chain; 7. driven wheel; 8. a stirring paddle II; 9. a heating cylinder; 10. screw feeding paddles; 11. a feeding and discharging pipe; 12. a discharge port; 13. a feed inlet; 14. a medium inlet; 15. a medium outlet; 16. a rotating lever; 17. a driving wheel; 18. a motor; 19. a second bevel gear; 20. and a first conical gear.

Detailed Description

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.

Examples

As shown in fig. 1-2, the utility model provides a stirring mechanism, which comprises a stirring assembly, wherein the stirring assembly comprises a stirring paddle I and two stirring paddles II 8, a stirring shaft of the stirring paddle I is a stirring pipe 4 with a sealed bottom, a conical gear I20 is fixed on the outer wall of the top of the stirring pipe 4, the conical gear I20 is meshed with a conical gear II 19, and the conical gear II 19 is connected with a stepping motor 3;

the stirring pipe 4 is also fixedly connected with a transmission case 5, and a blade of the stirring paddle I is arranged on the stirring pipe 4 below the transmission case 5; the two driven wheels 7 are arranged in the transmission case 5, the two driven wheels 7 are symmetrically arranged about the stirring pipe 4, and stirring shafts of the two stirring paddles II 8 extend into the transmission case 5 from the lower part of the transmission case 5 and are fixedly connected with the centers of the corresponding driven wheels 7; the stirring tube is characterized in that a motor 18 is fixed at the top end of the stirring tube 4, the motor 18 is connected with a power supply through a conductive slip ring, an output shaft of the motor 18 is fixedly connected with a rotating rod 16, the rotating rod 16 stretches into the stirring tube 4, two driving wheels 17 are fixed on the rotating rod 16 in the transmission case 5, the two driving wheels 17 are respectively in one-to-one correspondence with the two driven wheels 7, a transmission chain through hole is formed in the side wall of the stirring tube 4 between the corresponding driving wheel 17 and the driven wheel 7, and the transmission chain 6 passes through the transmission chain through hole and then connects the corresponding driving wheel 17 with the driven wheel 7, so that transmission is realized.

The utility model also provides a reaction kettle, which comprises a reaction kettle body 1, wherein the stirring mechanism is arranged in the reaction kettle body 1. The outside of reation kettle body 1 is equipped with heating jacket 2, be equipped with medium import 14 and medium export 15 on the heating jacket 2, be equipped with the cylindrical 9 heating cylinder of both ends open-ended in the reation kettle body 1, the bottom of heating cylinder 9 is through business turn over material pipe 11 and reation kettle body 1 fixed connection and with the inner chamber intercommunication of heating jacket 2. The stirring paddle I is a screw feeding paddle 10, and extends into the heating cylinder 9 and is matched with the heating cylinder 9, and the stirring paddle II 8 is positioned in the reaction kettle body 1 outside the heating cylinder 9. The heating sleeve 2 and the heating cylinder 9 are filled with heating medium, materials in the reaction kettle body 1 are sufficiently heated, the stirring paddle I is matched with the heating cylinder 9 to continuously convey the materials at the bottom in the reaction kettle body 1 to the top of the heating cylinder 9 and throw the materials outwards, and the stirring paddle II is matched with the stirring paddle II to carry out efficient hotter mixing on the materials in the reaction kettle body 1. Improves the stirring and mixing efficiency, the heating uniformity and the heating efficiency, and is beneficial to the reaction.

The electric heating device is characterized in that an electric heating block and a temperature sensor (not shown in the drawings and not repeated in the prior art) are arranged in the heating cylinder, the electric heating block and the temperature sensor are respectively connected with an external power supply through wires, the temperature sensor is electrically connected with a control component of the electric heating block, and the electric heating block is controlled to heat or stop heating through the temperature in the induction heating cylinder, so that the temperature of the heating cylinder is ensured to be matched with the required temperature of materials. The connection and control of this point is not described in detail here.

When the multi-enol crosslinked acrylic thickener is synthesized, the stepping motor 3 is fixed at the top of the stirring kettle body 1, after the feeding port 13 of the reaction kettle body 1 is fed, the stepping motor 3 drives the stirring paddles to rotate, the transmission case 5 and the stirring paddles II 8 arranged on the transmission case 5 rotate by taking the stirring paddles I as a central shaft, and simultaneously, the motor 18 drives the rotating rod 16 to rotate, so that the driving wheel 17 drives the driven wheel 7 to rotate, and the stirring paddles II rotate while rotating around the stirring paddles. The heating jacket 2 and the heating cylinder 9 are filled with heating medium, materials in the reaction kettle body 1 are sufficiently heated, the stirring paddle I is matched with the heating cylinder 9 to continuously convey the materials at the bottom in the reaction kettle body 9 to the top of the heating cylinder and throw the materials outwards, and the stirring paddle II is matched with the heating cylinder 9 to carry out efficient hotter mixing on the materials in the reaction kettle body, and the materials are discharged from the discharge port 12 of the reaction kettle body after the mixing reaction is finished. The utility model improves the stirring and mixing efficiency, the heating uniformity and the heating efficiency, and is favorable for the full reaction of materials during the synthesis of the multi-enol crosslinked acrylic thickener.

The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a rabbling mechanism, includes stirring subassembly, its characterized in that: the stirring assembly comprises a stirring paddle I and a plurality of stirring paddles II, a stirring shaft of the stirring paddle I is a stirring pipe with a sealed bottom, a conical gear I is fixed on the outer wall of the top of the stirring pipe, the conical gear I is meshed with a conical gear II, and the conical gear II is connected with a stepping motor;

2. A stirring mechanism as claimed in claim 1, wherein: and two stirring paddles are arranged.

3. The utility model provides a reation kettle, includes the reation kettle body, its characterized in that: the stirring mechanism of any one of claims 1-2 is arranged in the reaction kettle body.

4. A reaction kettle according to claim 3, wherein: the outside of reation kettle body is equipped with the heating jacket, be equipped with medium import and medium export on the heating jacket, this internal cylindrical heating cylinder that is equipped with both ends open-ended of reation kettle, the bottom of heating cylinder passes through feed and discharge tube and reation kettle body fixed connection and communicates with the inner chamber of heating jacket.

5. The reactor according to claim 4, wherein: the stirring paddle I is a screw feeding paddle, and extends into the heating cylinder and is matched with the heating cylinder, and the stirring paddle I is positioned in the reaction kettle body outside the heating cylinder.

6. The reactor according to claim 4, wherein: an electric heating block and a temperature sensor are arranged in the heating cylinder.