Vertical reaction kettle with lateral input and vertical stirring functions

By designing a magnetic coupler and a commutator, the problems of difficult installation and easy vibration of the stirring shaft in a vertical reactor were solved, achieving efficient stirring and preventing material freezing, thus improving the performance of the reactor.

CN223697769UActive Publication Date: 2025-12-23WEIHAI XINYUAN CHEM MASCH CO LTD
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Patent Information

Application Number
CN202520662444.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2025-12-23
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

Existing vertical reactors, with their slender structure, present difficulties in installing the stirring shaft, leading to vibration, poor stirring effect, and the material easily freezing on the stirring paddle during endothermic reactions, thus affecting reaction efficiency.

Method used

A magnetic coupler is used to achieve lateral power input, and a commutator converts the power into vertical upward and downward power output. Combined with an umbrella-shaped dispersion shielding cap, it avoids direct contact between materials and the agitator. The detachable structure facilitates installation and maintenance.

Benefits of technology

It achieves convenient installation, less vibration of the drive shaft, good stirring effect, avoids material freezing on the stirring paddle, and improves reaction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A vertical reaction kettle capable of laterally inputting and vertically stirring relates to the field of chemical reaction kettles and comprises a reaction kettle main body, a mounting opening is formed in the side wall of the lower part of the reaction kettle main body, a magnetic coupler is mounted on the mounting opening, and an input shaft of the magnetic coupler is connected with a driving motor; an output shaft of the magnetic coupler transversely extends into the reaction kettle main body, a reverser is fixedly mounted at the position, opposite to the mounting opening, in the lower part of the reaction kettle main body, the reverser comprises a transversely arranged input shaft, a vertically upward upper output shaft and a vertically downward lower output shaft, and the input shaft of the reverser is connected with the output shaft of the magnetic coupler; a stirring paddle is arranged on the lower output shaft, and a dispersion shielding cap is arranged on the upper output shaft. The stirring device has the advantages of simple structure, convenience in installation, difficulty in vibration of the transmission shaft, good stirring effect and the like.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chemical reaction kettle, especially to a vertical reaction kettle with lateral input and vertical stirring. BACKGROUND

[0002] We know that the reaction kettle with stirring function can promote the uniform mixing of reaction materials, improve the heat transfer efficiency, make the reaction materials flow in the kettle, speed up the mass transfer process and improve the reaction rate in the chemical reaction process. The existing vertical reaction kettle with stirring function comprises a reaction kettle main body, an upper kettle cover is arranged at the upper end of the reaction kettle main body, a stirring shaft and a material inlet are arranged on the upper kettle cover, the stirring shaft vertically extends downward to the bottom of the kettle body, and a lower stirring paddle is arranged at the lower end of the stirring shaft. When the kettle body is in an elongated structure, the stirring shaft is long, difficult to install, prone to vibration during operation, the stirring effect is poor, and the stirring paddle may be hung and collided with the inside of the reaction kettle in severe cases. SUMMARY

[0003] The utility model discloses a vertical reaction kettle with lateral input and vertical stirring, which has the advantages of simple structure, convenient installation, no vibration of the transmission shaft and good stirring effect.

[0004] The utility model discloses a vertical reaction kettle with lateral input and vertical stirring, which has the advantages of simple structure, convenient installation, no vibration of the transmission shaft and good stirring effect.

[0005] A vertical reaction kettle with lateral input and vertical stirring, comprising a reaction kettle main body, characterized in that a mounting port is arranged on the side wall of the lower part of the reaction kettle main body, a magnetic coupler is mounted on the mounting port, the input shaft of the magnetic coupler is connected with a driving motor, the output shaft of the magnetic coupler extends horizontally into the inside of the reaction kettle main body, a reversing gear is fixedly installed at the position opposite to the mounting port in the lower part of the reaction kettle main body, the reversing gear comprises an input shaft arranged horizontally, an upper output shaft vertically upward and a lower output shaft vertically downward, the input shaft of the reversing gear is connected with the output shaft of the magnetic coupler, a stirring paddle is arranged on the lower output shaft, and a dispersion shielding cap is arranged on the upper output shaft.

[0006] In the utility model, the dispersion shielding cap is in the shape of an umbrella, the reversing gear is located below the dispersion shielding cap, and the dispersion shielding cap completely shields the reversing gear in the up-down direction. The material falling from above will not fall on the reversing gear but be dispersed around by the rotating dispersion shielding cap and will not easily contact the paddle of the stirring paddle, so that the material will not freeze on the stirring paddle due to contact with the stirring paddle in some endothermic chemical reactions, such as the reaction of ammonium nitrate with sodium hydroxide solution or the reaction of ammonium chloride with barium hydroxide.

[0007] The commutator is fixedly connected with the inner wall of the reaction kettle body through the support frame.

[0008] The reaction kettle body comprises a detachable upper body section and a lower body section, and the upper body section and the lower body section are detachably and sealingly connected through a connecting flange and bolts.

[0009] The magnetic coupling comprises a power input part and a power output part, the power output part comprises an output connecting pipe and a magnetic power output shaft, the output connecting pipe is fixedly installed on the side wall of the reaction kettle body outside the mounting port, the magnetic power output shaft is arranged in the output connecting pipe and is connected with the input shaft of the commutator through a connector at the rear end, the front end of the magnetic power output shaft is provided with an output end permanent magnet rotor, a sealing cover is installed on the output connecting pipe at the front side of the output end permanent magnet rotor, and the front end of the output connecting pipe is connected with the power input part of the magnetic coupling through a flange plate.

[0010] During the working of the utility model, the driving motor inputs power into the reaction kettle body horizontally through the magnetic coupling, the commutator in the reaction kettle converts the horizontally input power into vertical upward and downward power output, the downward output shaft drives the stirring paddle to stir, and the upward output shaft drives the dispersion shielding cap to rotate. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model.

[0012] Figure 2 It is Figure 1 the A part enlarged view. DETAILED DESCRIPTION

[0013] For example, Figure 1 , Figure 2The vertical reaction kettle with lateral input and vertical stirring shown in the figure comprises a reaction kettle body, the reaction kettle body comprises a detachable upper body section 10 and a lower body section 6, and the upper body section 10 and the lower body section 6 are detachably and sealingly connected through connecting flanges and bolts. Figure 1 The transmission device in the embodiment shown is a belt pulley and a transmission belt. The output shaft of the magnetic coupling extends transversely into the inside of the reaction kettle body, a reversing gear 7 is fixedly installed in the lower part of the reaction kettle body opposite to the installation port, the reversing gear 7 comprises a transversely arranged input shaft, an upward output shaft and a downward output shaft, the input shaft of the reversing gear is connected with the output shaft of the magnetic coupling, the downward output shaft is provided with a stirring paddle 5, and the upward output shaft is provided with a dispersion shielding cap 9. Figure 1 As can be seen from the figure, the dispersion shielding cap 9 is umbrella-shaped, the reversing gear 7 is located below the dispersion shielding cap and is completely shielded by the dispersion shielding cap 7 in the up-down direction; the material falling from above will not fall on the reversing gear and will be dispersed around by the rotating dispersion shielding cap, so that the input of the reaction material is not affected, the reaction material is not easy to contact with the paddle of the stirring paddle, and some endothermic chemical reactions, such as the reaction of ammonium nitrate and sodium hydroxide solution or the reaction of ammonium chloride and barium hydroxide, are avoided.

[0014] The reversing gear 7 in the utility model is fixedly connected with the inner wall of the reaction kettle body through a support frame 8. The support frame 8 comprises three support rods, one end of each of the three support rods is fixedly connected with the outer shell of the reversing gear, and the other end of each of the three support rods is fixedly connected with the inner wall of the reaction kettle body.

[0015] Further improvement, the reaction kettle body comprises a detachable upper body section 10 and a lower body section 6, and the upper body section 10 and the lower body section 6 are detachably and sealingly connected through connecting flanges and bolts. The installation and maintenance of the reversing gear, the stirring paddle and other components are facilitated. The magnetic coupling comprises a power input part 2 and a power output part, the power output part comprises an output connecting pipe 1 and a magnetic output shaft 3, the output connecting pipe 1 is fixedly installed on the side wall of the reaction kettle body outside the installation port, the magnetic output shaft 3 is freely rotatably arranged in the output connecting pipe 1 through a bearing, the rear end of the magnetic output shaft 3 is connected with the input shaft of the reversing gear through a connector, the front end of the magnetic output shaft 3 is provided with an output end permanent magnet rotor 12, a sealing cover 11 is installed on the output connecting pipe in front of the output end permanent magnet rotor 12, and the front end of the output connecting pipe is connected with the power input part of the magnetic coupling through a flange plate; the leakage-free connection of the static seal is realized.

[0016] The utility model discloses a simple structure, easy installation, transmission shaft is not easy to have tremor, stirring effect is good and the like. When carrying out some endothermic chemical reactions, such as adding ammonium nitrate into sodium hydroxide solution, the material added from the top of the reaction kettle main body is not easy to fall on the paddle of the stirring paddle, the icing or freezing of the reaction material on the paddle of the stirring paddle can be avoided, and the reaction is more smooth.

Claims

1. A vertical reactor with lateral input and vertical stirring, comprising a reactor body, characterized in that, The reactor body has an installation port on the lower side wall, on which a magnetic coupler is installed. The input shaft of the magnetic coupler is connected to the drive motor, and the output shaft of the magnetic coupler extends laterally into the reactor body. A commutator is fixedly installed in the lower part of the reactor body opposite to the installation port. The commutator includes a horizontally arranged input shaft, a vertically upward upper output shaft, and a vertically downward lower output shaft. The input shaft of the commutator is connected to the output shaft of the magnetic coupler. A stirring paddle is provided on the lower output shaft, and a dispersion shielding cap is provided on the upper output shaft.

2. The vertical reactor with lateral input and vertical stirring according to claim 1, characterized in that, The aforementioned shielding cap is umbrella-shaped, and the commutator is located below the shielding cap, completely shielded from the vertical direction by the shielding cap.

3. The vertical reactor with lateral input and vertical stirring according to claim 1, characterized in that, The commutator is fixedly connected to the inner wall of the reactor body via a support frame.

4. The vertical reactor with lateral input and vertical stirring according to claim 1, characterized in that, The reactor body includes a detachable upper section and a lower section, which are detachably and sealed together by connecting flanges and bolts.

5. The vertical reactor with lateral input and vertical stirring according to claim 1, characterized in that, The magnetic coupler includes a power input section and a power output section. The power output section includes an output connecting pipe and a magnetic output shaft. The output connecting pipe is fixedly installed on the side wall of the reactor body outside the installation port. The magnetic output shaft is set inside the output connecting pipe, and its rear end is connected to the input shaft of the commutator via a connector. The front end of the magnetic output shaft is provided with an output end permanent magnet rotor. A sealing cover is installed on the output connecting pipe in front of the output end permanent magnet rotor. The front end of the output connecting pipe is connected to the power input section of the magnetic coupler via a flange.