Compound mixing reaction kettle

By working together with the drive unit and the lifting unit, the stirring blades move vertically back and forth inside the reactor, which solves the problem of uneven mixing of compounds, achieves uniform mixing of compounds and cleaning of the inner wall, and improves reaction efficiency and product quality.

CN224040960UActive Publication Date: 2026-03-27SHANGHAI TEYIJIE BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing compound mixing reactors, the fixed depth of the stirring blades leads to uneven mixing in the top layer of the mixture.

Method used

The synergistic action of the drive unit, lifting unit, and mixing unit enables the stirring blades to move vertically back and forth while rotating, and combined with the inner wall scraper design, ensures uniform mixing between the upper and lower layers.

Benefits of technology

It improves the uniformity of compound mixing and the completeness of the reaction, prevents compounds from adhering to the inner wall of the reactor, and ensures the accuracy of the reaction and the quality of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a compound mixing reaction kettle, relates to the technical field of mixing reaction kettles, and adopts the technical scheme that the compound mixing reaction kettle comprises a reaction kettle body, a protective cover is fixedly arranged at the top of the reaction kettle body, a mixing and stirring assembly is connected in the reaction kettle body and the protective cover, and the mixing and stirring assembly comprises a driving unit, a lifting unit and a mixing unit, the driving unit comprises a spline shaft, the spline shaft is sleeved with a spline sleeve, and the bottom of the spline sleeve is fixedly connected with a connecting sleeve. The compound mixing reaction kettle has the beneficial effects that through the synergistic effect of the driving unit, the lifting unit and the mixing unit, stirring blades can vertically move back and forth while rotating and mixing; the problem that the top layer area of a mixture is not uniformly mixed due to the fact that the depth of a traditional stirring blade is fixed is solved, so that the compound mixture in the upper layer area and the lower layer area in the reaction kettle can be fully stirred, the mixing effect is improved, and the mixing uniformity and the reaction sufficiency of the compound are ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mixed reaction kettle technical field, concretely relates to a compound mixed reaction kettle. BACKGROUND

[0002] Reaction kettle is widely used in petroleum, chemical industry, rubber, pesticide, dye, pharmaceutical, food and other fields, is mainly used to complete vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and other process pressure vessel, and reaction kettle is important processing utensil in industrial production, realizes heating, evaporation, cooling and low speed mixing function of process requirement through the structure design and parameter configuration of reaction kettle container.

[0003] The existing compound is mixed in the reaction kettle interior and is often stirred through the stirring blade, since the depth of the stirring blade in the reaction kettle is fixed, can only stir in the fixed area, when the mixture capacity overflows the stirring blade, the top layer area of the mixture cannot contact the stirring blade and appears the uneven mixing condition. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a compound mixed reaction kettle, through, solve the depth of the stirring blade in the reaction kettle is fixed, can only stir in the fixed area, the top layer area of the mixture cannot contact the stirring blade and appears the uneven mixing condition.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a compound mixed reaction kettle, including the reaction kettle body, the top of reaction kettle body is equipped with the protection cover, the inside of reaction kettle body and protection cover is connected with the mixing stirring subassembly, the mixing stirring subassembly includes the drive unit, the lifting unit, the mixing unit, the drive unit includes the spline shaft, the spline shaft is equipped with the spline sleeve outside, the spline sleeve bottom is fixedly connected with the connecting sleeve, the lifting unit includes the drive tooth, one side of drive tooth is equipped with the driven tooth, the driven tooth is fixedly inserted with the rotating shaft inside, the rotating shaft is fixedly equipped with the camshaft outside, the camshaft is equipped with the cam groove outside, one side of camshaft is equipped with the connecting ring, the connecting ring is equipped with the cam slide column and the limit slide column, and the limit slide column is equipped with the limit vertical groove outside.

[0006] Preferably, the mixing unit includes a stirring shaft, the stirring shaft top is fixedly connected with the connecting sleeve bottom, a plurality of stirring blades are fixedly sleeved on the stirring shaft, two connecting plates are fixedly connected with two inner wall scrapers at the two ends of the stirring shaft, and the two inner wall scrapers are in contact with the inner wall of the reaction kettle body.

[0007] Preferably, the top of the protective cover is fixed with a servo motor, the output end of the servo motor is fixedly connected with the top of the spline shaft, and the top of the spline shaft penetrates through the top of the protective cover and is connected with the top of the protective cover through a bearing.

[0008] Preferably, the spline sleeve is sleeved outside the spline shaft and connected with the spline shaft through a ball spline pair.

[0009] Preferably, the connecting sleeve penetrates through the top of the reaction kettle body and is in sliding connection with the top of the reaction kettle body.

[0010] Preferably, the driving tooth is fixedly sleeved outside the spline shaft, and the driving tooth is in engagement with the driven tooth.

[0011] Preferably, the top of the rotating shaft is connected with the top of the protective cover through a bearing, and the bottom of the rotating shaft is connected with the top of the reaction kettle body through a bearing.

[0012] Preferably, one end of the cam slide post extends into the inner wall of the cam groove and is in sliding connection with the cam groove.

[0013] Preferably, one end of the limiting slide post extends into the inner wall of the limiting vertical groove and is in sliding connection with the limiting vertical groove, the top of the limiting vertical groove is fixedly connected with the top of the protective cover, and the bottom of the limiting vertical groove is fixedly connected with the top of the reaction kettle body.

[0014] Preferably, the reaction kettle body is fixedly provided with a compound feeding pipeline on both sides, and the bottom of the reaction kettle body is fixedly provided with a mixture discharging pipeline.

[0015] The embodiment of the utility model has the following advantages:

[0016] 1. Through the cooperation of the driving unit, the lifting unit and the mixing unit, the stirring blade can move vertically back and forth while rotating and mixing, the problem of uneven mixing of the top layer area of the mixture caused by the fixed depth of the traditional stirring blade is solved, the compound mixture in the upper and lower layer areas of the reaction kettle can be fully stirred, the mixing effect is improved, and the uniformity of the compound mixing and the sufficiency of the reaction are ensured.

[0017] 2. When the stirring shaft in the mixing unit rotates, the inner wall scraper can slide along the inner wall of the reaction kettle, which can effectively prevent the compound mixture from adhering to the inner wall of the reaction kettle after discharging, facilitate the cleaning and maintenance of the reaction kettle, reduce the influence of the residual compound on the next reaction, and ensure the accuracy of the reaction and the product quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained from the provided drawings without creative labor.

[0019] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, for those skilled in the art to understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes of the present application, should still fall within the scope of the disclosed technology.

[0020] Figure 1 The overall structure schematic diagram provided by the present application is shown in the figure.

[0021] Figure 2 The front view partial cross-sectional perspective view provided by the present application is shown in the figure.

[0022] Figure 3 The driving unit and the lifting unit connection state perspective view provided by the present application is shown in the figure.

[0023] Figure 4 The driving unit and the lifting unit connection relationship explosion perspective view provided by the present application is shown in the figure.

[0024] Figure 5 The mixing unit perspective view provided by the present application is shown in the figure.

[0025] In the figure: 1 reaction kettle body, 2 compound feeding pipeline, 3 mixture discharging pipeline, 4 protective cover, 5 servo motor, 6 mixing and stirring assembly, 61 driving unit, 611 spline shaft, 612 spline sleeve, 613 connecting sleeve, 62 lifting unit, 621 driving tooth, 622 driven tooth, 623 rotating shaft, 624 cam shaft, 625 cam groove, 626 cam slide column, 627 connecting ring, 628 limiting slide column, 629 limiting vertical groove, 63 mixing unit, 631 stirring shaft, 632 stirring blade, 633 connecting plate, 634 inner wall scraper. DETAILED DESCRIPTION

[0026] The following specific embodiments illustrate the embodiments of the present application, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Referring to the drawings Figure 1 - the drawings Figure 5 The compound mixing reaction kettle provided by the present application comprises a reaction kettle body 1, a protective cover 4 fixedly arranged on the top of the reaction kettle body 1, a mixing and stirring assembly 6 connected to the inside of the reaction kettle body 1 and the protective cover 4, the mixing and stirring assembly 6 comprising a driving unit 61, a lifting unit 62 and a mixing unit 63, the driving unit 61 comprising a spline shaft 611, the spline shaft 611 externally sleeved with a spline sleeve 612, the spline sleeve 612 fixedly connected with a connecting sleeve 613 at the bottom, the lifting unit 62 comprising a driving tooth 621, the driving tooth 621 provided with a driven tooth 622 at one side, the driven tooth 622 internally fixedly inserted with a rotating shaft 623, the rotating shaft 623 externally fixedly sleeved with a cam shaft 624, the cam shaft 624 externally provided with a cam groove 625, the cam shaft 624 provided with a connecting ring 627 at one side, the connecting ring 627 sleeved on the outside of the connecting sleeve 613 and connected with the connecting sleeve 613 through a bearing, the connecting ring 627 fixedly provided with a cam sliding column 626 and a limiting sliding column 628 at two sides respectively, the limiting sliding column 628 externally provided with a limiting vertical groove 629;

[0028] In the present embodiment, in order to realize the purpose that the upper and lower layer regions of the compound mixture inside the reaction kettle body 1 can be fully stirred, when the spline shaft 611 rotates, the driving tooth 621 drives the driven tooth 622 to rotate, the driven tooth 622 drives the cam shaft 624 to rotate through the rotating shaft 623, when the cam shaft 624 rotates, the cam groove 625 and the cam sliding column 626 are matched, at the same time, the connecting ring 627 is longitudinally moved by the bearing connection between the connecting ring 627 and the connecting sleeve 613 and the limiting sliding column 628 is prevented from rotating and matched with the limiting vertical groove 629, so that when the cam shaft 624 rotates, the connecting ring 627 drives the connecting sleeve 613 to vertically reciprocate, so that the mixing unit 63 can not only mix the compound mixture inside the reaction kettle body 1, but also can stir the compound mixture in the upper and lower layer regions through the vertical reciprocating movement of the mixing unit 63 during mixing;

[0029] Wherein, in order to realize the purpose of preventing the residual adhesion of the compound in the inner wall of the reaction kettle body 1 after discharging, the device adopts the following technical scheme: the mixing unit 63 comprises a stirring shaft 631, the top of the stirring shaft 631 is fixedly connected with the bottom of the connecting sleeve 613, a plurality of stirring blades 632 are fixedly sleeved outside the stirring shaft 631, two connecting plates 633 are fixedly sleeved outside the stirring shaft 631, two inner wall scrapers 634 are fixedly connected at both ends of the two connecting plates 633, the two inner wall scrapers 634 are in contact with the inner wall of the reaction kettle body 1, the compound feeding pipe 2 is fixedly arranged on both sides of the reaction kettle body 1, the mixture discharging pipe 3 is fixedly arranged at the bottom of the reaction kettle body 1, when the stirring shaft 631 rotates, the inner wall scraper 634 slides along the inner wall of the reaction kettle body 1 through the connecting plate 633, so as to prevent the adhesion of the mixed mixture on the inner wall of the reaction kettle body 1;

[0030] Wherein, in order to realize the purpose of providing power for the rotation of the mixing unit 63, the device adopts the following technical scheme: the protective cover 4 is fixedly provided with a servo motor 5 at the top, the output end of the servo motor 5 is fixedly connected with the top of the spline shaft 611, the top of the spline shaft 611 penetrates through the top of the protective cover 4 and is connected with the top of the protective cover 4 through a bearing, the spline sleeve 612 is sleeved outside the spline shaft 611 and is connected with the spline shaft 611 through a ball spline pair, the connecting sleeve 613 penetrates through the top of the reaction kettle body 1 and is slidingly connected with the top of the reaction kettle body 1, the servo motor 5 is started, the spline sleeve 612 drives the connecting sleeve 613 to rotate through the spline shaft 611 in the driving unit 61, the connecting sleeve 613 drives the stirring blades 632 to rotate through the stirring shaft 631, and the mixed mixture in the reaction kettle body 1 is mixed, and when the connecting sleeve 613 moves vertically, the spline sleeve 612 can slide vertically along the spline shaft 611 (the spline shaft is a kind of mechanical transmission, and the function is the same as the flat key, half round key and wedge key, which is to transmit mechanical torque, and there are longitudinal key grooves on the outer surface of the shaft, and the rotating part sleeved on the shaft also has corresponding key grooves, which can keep synchronous rotation with the shaft. At the same time of rotation, some can also slide vertically on the shaft, such as gear shifting gear in gearbox);

[0031] In order to realize the longitudinal reciprocating movement of the mixing unit 63 while stirring the compound mixture, the device adopts the following technical scheme: the driving tooth 621 is fixedly sleeved outside the spline shaft 611, the driving tooth 621 is engaged with the driven tooth 622, the top of the rotating shaft 623 is connected with the top of the protective cover 4 through a bearing, the bottom of the rotating shaft 623 is connected with the top of the reaction kettle body 1 through a bearing, one end of the cam slide column 626 extends into the inner wall of the cam groove 625 and is connected with the cam groove 625 in sliding mode, one end of the limiting slide column 628 extends into the inner wall of the limiting vertical groove 629 and is connected with the limiting vertical groove 629 in sliding mode, the top of the limiting vertical groove 629 is fixedly connected with the top of the protective cover 4, the bottom of the limiting vertical groove 629 is fixedly connected with the top of the reaction kettle body 1, when the spline shaft 611 rotates, the driving tooth 621 drives the driven tooth 622 to rotate, the driven tooth 622 drives the cam shaft 624 to rotate through the rotating shaft 623, when the cam shaft 624 rotates, the cam groove 625 and the cam slide column 626 are matched, and the bearing connection between the connecting ring 627 and the connecting sleeve 613 and the anti-rotation limiting matching between the limiting slide column 628 and the limiting vertical groove 629 are matched, so that when the cam shaft 624 rotates, the cam slide column 626 drives the connecting ring 627 to move longitudinally, and the connecting ring 627 moves longitudinally to drive the connecting sleeve 613 in rotation to move vertically and reciprocally.

[0032] The use process of the utility model is as follows: when using the utility model, connect external power supply, add appropriate amount of compound into the inside of the reaction kettle body 1 through the compound feeding pipeline 2, start the servo motor 5, the servo motor 5 rotates and drives the spline shaft 611 in the driving unit 61 to drive the spline sleeve 612 to rotate, the connecting sleeve 613 rotates and drives the stirring shaft 631 to rotate, the stirring blade 632 rotates and mixes the compound mixture in the inside of the reaction kettle body 1, at the same time, the stirring shaft 631 drives the inner wall scraping plate 634 to slide along the inner wall of the reaction kettle body 1 through the connecting plate 633, so that the compound mixture is prevented from adhering to the inner wall of the reaction kettle body 1, at the same time, when the spline shaft 611 rotates, the driving tooth 621 drives the driven tooth 622 to rotate, the driven tooth 622 drives the cam shaft 624 to rotate through the rotating shaft 623, when the cam shaft 624 rotates, the cam groove 625 and the cam slide column 626 are matched, and the bearing connection between the connecting ring 627 and the connecting sleeve 613 and the anti-rotation limiting matching between the limiting slide column 628 and the limiting vertical groove 629 are matched, so that when the cam shaft 624 rotates, the cam slide column 626 drives the connecting ring 627 to move longitudinally, the connecting ring 627 moves longitudinally to drive the connecting sleeve 613 in rotation to move vertically and reciprocally, so that the mixing unit 63 can mix the compound mixture in the inside of the reaction kettle body 1, and the vertical reciprocating movement of the mixing unit 63 during mixing can make the compound mixture in the upper and lower layers be stirred by the stirring blade 632, improve the mixing effect, and prevent the situation that the mixture in the top layer cannot contact the stirring blade 632 when the mixture capacity exceeds the stirring blade 632, and the mixing is uneven.

[0033] The above is only the preferred embodiment of the present application, and any skilled person in the art can modify the above-described technical solutions or modify them into equivalent technical solutions. Therefore, any simple modification or equivalent replacement according to the technical solutions of the present application is within the scope of protection of the present application.

Claims

1. A compound mixing reactor, comprising a reactor body (1), characterized in that: The top of the reaction kettle body (1) is fixedly provided with a protective cover (4), the reaction kettle body (1) and the protective cover (4) are internally connected with a mixing and stirring assembly (6), the mixing and stirring assembly (6) comprises a driving unit (61), a lifting unit (62) and a mixing unit (63), the driving unit (61) comprises a spline shaft (611), the spline shaft (611) is externally sleeved with a spline sleeve (612), the spline sleeve (612) is fixedly connected with a connecting sleeve (613) at the bottom, the lifting unit (62) comprises a driving tooth (621), the driving tooth (621) is provided with a driven tooth (622) at one side, the driven tooth (622) is internally fixedly inserted with a rotating shaft (623), the rotating shaft (623) is externally fixedly sleeved with a camshaft (624), the camshaft (624) is externally provided with a cam groove (625), the camshaft (624) is provided with a connecting ring (627) at one side, the connecting ring (627) is sleeved outside the connecting sleeve (613) and connected with the connecting sleeve (613) through a bearing, the connecting ring (627) is fixedly provided with a cam sliding column (626) and a limiting sliding column (628) at two sides respectively, and the limiting sliding column (628) is externally provided with a limiting vertical groove (629).

2. The compound mixing reaction kettle according to claim 1, characterized in that: The mixing unit (63) comprises a stirring shaft (631), the stirring shaft (631) is fixedly connected with the connecting sleeve (613) at the top, a plurality of stirring blades (632) are fixedly sleeved outside the stirring shaft (631), two connecting plates (633) are fixedly sleeved outside the stirring shaft (631), two inner wall scrapers (634) are fixedly connected at two ends of the two connecting plates (633), and the two inner wall scrapers (634) are in contact with the inner wall of the reaction kettle body (1).

3. The compound mixing reaction kettle according to claim 1, characterized in that: The top of the protective cover (4) is fixedly provided with a servo motor (5), the output end of the servo motor (5) is fixedly connected with the top of the spline shaft (611), and the top of the spline shaft (611) penetrates through the top of the protective cover (4) and is connected with the top of the protective cover (4) through a bearing.

4. The compound mixing reaction kettle according to claim 1, characterized in that: The spline sleeve (612) is sleeved outside the spline shaft (611) and connected with the spline shaft (611) through a ball spline pair.

5. The compound mixing reaction kettle according to claim 1, characterized in that: The connecting sleeve (613) penetrates through the top of the reaction kettle body (1) and is slidingly connected with the top of the reaction kettle body (1).

6. The compound mixing reaction kettle according to claim 1, characterized in that: The driving tooth (621) is fixedly sleeved outside the spline shaft (611), and the driving tooth (621) is engaged with the driven tooth (622).

7. The compound mixing reaction kettle according to claim 1, characterized in that: The top of the rotating shaft (623) is connected with the top of the protective cover (4) through a bearing, and the bottom of the rotating shaft (623) is connected with the top of the reaction kettle body (1) through a bearing.

8. The compound mixing reaction kettle according to claim 1, characterized in that: One end of the cam sliding column (626) extends into the inner wall of the cam groove (625) and is slidingly connected with the cam groove (625).

9. The compound mixing reaction kettle according to claim 1, characterized in that: One end of the limiting sliding column (628) extends into the inner wall of the limiting vertical groove (629) and is slidingly connected with the limiting vertical groove (629), the top of the limiting vertical groove (629) is fixedly connected with the top of the protective cover (4), and the bottom of the limiting vertical groove (629) is fixedly connected with the top of the reaction kettle body (1).

10. The compound mixing reaction kettle according to claim 1, characterized in that: Both sides of the reactor body (1) are fixedly provided with compound feeding pipes (2), and the bottom of the reactor body (1) is fixedly provided with a mixture discharging pipe (3).