Stirring device of reaction kettle

Abstract

The utility model relates to a reaction kettle stirring device which comprises a stirring shaft, a U-shaped rod is arranged on the lower portion of the stirring shaft, and a first helical ribbon stirring blade and a second helical ribbon stirring blade are further arranged between a left vertical rod and a right vertical rod of the U-shaped rod. The reaction kettle stirring device can simultaneously stir the middle part and the periphery of the reaction kettle, so that the stirring uniformity of each part of the reaction kettle is improved, and the stirring effect is improved. Helical ribbon stirring blades are further arranged between the left vertical rod and the right vertical rod, the stirring effect can be improved through the helical ribbon stirring blades, viscous materials on the kettle wall can be scraped off, all positions of the inner wall of the reaction kettle are in a stirring state, meanwhile, the helical ribbon stirring blades can be connected with the left vertical rod and the right vertical rod, and the strength of the left vertical rod and the strength of the right vertical rod are improved.

Description

Technical Field

[0001] The utility model relates to a stirring device, in particular to a reaction kettle stirring device which is applied to a reaction kettle and is used to stir materials in the reaction kettle. Background Art

[0002] Reactors are one of the common equipment in laboratories and chemical plants. In order to speed up the reaction and mix the materials evenly, a stirring device is generally installed in the reactor. The stirring device is generally a turbine blade stirring or a spiral blade stirring. However, the existing stirring methods often have poor stirring effects, large differences in stirring effects between the inner wall and the middle of the reactor, sticky materials sticking to the wall, and inconsistent reactions in different parts of the reactor. Utility Model Content

[0003] The main purpose of the utility model is to provide a reactor stirring device to solve the problems that when the existing reactor stirring device is in use, the stirring effect in the middle part and the periphery close to the inner wall of the reactor is greatly different, the viscous reactants adhere to the wall, and the reaction in different parts of the reactor is uneven.

[0004] The utility model provides a reactor stirring device, which comprises a stirring shaft, the stirring shaft extends from the middle upper part to the lower part of the reactor, the lower part of the stirring shaft is provided with a U-shaped rod, the U-shaped rod comprises a cross bar perpendicular to the stirring shaft, the middle part of the cross bar is installed on the stirring shaft; the two ends of the cross bar are respectively provided with a left vertical rod and a right vertical rod extending upward. A first spiral stirring blade and a second spiral stirring blade are also provided between the left vertical rod and the right vertical rod, the two ends of the first spiral stirring blade are respectively connected to the upper end of the left vertical rod and the lower end of the right vertical rod, and the two ends of the second spiral stirring blade are respectively connected to the lower end of the left vertical rod and the upper end of the right vertical rod.

[0005] Preferably, the reactor stirring device is installed in the reactor, and the reactor is in the shape of a traditional cylinder.

[0006] More preferably, in order to prevent the material from adhering to the inner wall of the reactor, the outer periphery of the first spiral stirring blade and the outer periphery of the second spiral stirring blade are both close to the inner wall of the reactor. The first spiral stirring blade and the second spiral stirring blade can scrape the material on the inner wall of the reactor during rotation to prevent the material from adhering to the inner wall of the reactor, and can also stir the material near the inner wall of the reactor to improve the stirring effect near the inner wall of the reactor.

[0007] Preferably, in order to further prevent the material from adhering to the inner wall of the reactor, the left vertical rod and the right vertical rod are both close to the inner wall of the reactor.

[0008] Preferably, the vertical angles between the first spiral ribbon stirring blade and the second spiral ribbon stirring blade and the horizontal plane gradually increase from the middle to both ends.

[0009] Preferably, the upper portion of the stirring shaft is also provided with turbine blades extending outwards.

[0010] More preferably, the turbine blades are arranged obliquely relative to the stirring shaft.

[0011] More preferably, a collar is provided on the stirring shaft, the collar is detachably mounted on the stirring shaft, and the turbine blade is mounted on the collar.

[0012] Compared with the prior art, the reactor stirring device provided by the utility model has the following beneficial effects:

[0013] The above-mentioned reactor stirring device is provided with a U-shaped rod on the stirring shaft. The left and right vertical rods of the U-shaped rod can drive the outer periphery of the reactor, that is, the material near the inner wall of the reactor to rotate during the rotation process, and the cross bar of the U-shaped rod drives the material at the bottom of the reactor to rotate, and the stirring shaft can drive the material in the middle of the reactor to rotate. In this way, the material movement in various places in the reactor is driven to achieve the effect of material mixing and stirring, thereby improving the uniformity of stirring in various places of the reactor and improving the stirring effect.

[0014] A spiral ribbon stirring blade is also arranged between the left vertical rod and the right vertical rod. The spiral ribbon stirring blade can improve the stirring effect. The spiral ribbon stirring blade close to the inner wall of the reactor can also stir the material near the inner wall of the reactor while scraping the material on the inner wall of the reactor to prevent sticky materials from sticking to the wall, so that all parts of the inner wall of the reactor are in a stirring state. At the same time, the spiral ribbon stirring blade can also connect the left vertical rod and the right vertical rod to improve the strength of the left vertical rod and the right vertical rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0016] Obviously, the drawings described below are only some specific embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without any creative work.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the stirring device of the reactor in Example 1 of the utility model.

[0018] Figure 2 This is a top view of the stirring device of the reactor in Example 1 of the utility model.

[0019] In the attached figure:

[0020] Label name Label name 1 Stirring shaft 5 First spiral stirring blade 2 Crossbar 6 Second spiral stirring blade 3 Left vertical bar 7 Turbine blade 4 Right vertical bar DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0023] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as described in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0024] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0027] Example 1

[0028] The present embodiment provides a reactor stirring device, which includes a stirring shaft 1, which extends from the middle and upper part of the reactor to the lower part. The stirring shaft 1 should be connected to a driving device that drives it to rotate. The present embodiment does not involve the improvement of the driving device. In the present embodiment, a U-shaped rod is provided at the lower part of the stirring shaft 1, and the U-shaped rod includes a cross bar 2 perpendicular to the stirring shaft 1. The cross bar 2 should be located at the lower part of the reactor. The middle part of the cross bar 2 is installed on the stirring shaft 1 to fix the cross bar 2; the two ends of the cross bar 2 are respectively provided with a left vertical rod 3 and a right vertical rod 4 extending upward. A first spiral stirring blade 5 and a second spiral stirring blade 6 are also provided between the left vertical rod 3 and the right vertical rod 4. The two ends of the first spiral stirring blade 5 are respectively connected to the upper end of the left vertical rod 3 and the lower end of the right vertical rod 4, and the two ends of the second spiral stirring blade 6 are respectively connected to the lower end of the left vertical rod 3 and the upper end of the right vertical rod 4.

[0029] The above-mentioned reactor stirring device rotates the stirring shaft 1 and the U-shaped rod during use, thereby driving the materials in the middle part and near the inner wall of the reactor to rotate and stir, wherein the horizontal rod 2 stirs the lower part of the reactor, the left vertical rod 3 and the right vertical rod 4 stir the reactor near the inner wall, the stirring shaft 1 stirs the middle part of the reactor, and then stirs the middle part and the periphery of the reactor at the same time, thereby improving the stirring effect, achieving the effect of mixing and stirring the materials, and improving the uniformity of stirring in various parts of the reactor.

[0030] In this embodiment, a spiral ribbon stirring blade is further provided between the left vertical rod 3 and the right vertical rod 4. The spiral ribbon stirring blade can improve the stirring effect, so that all parts of the inner wall of the reactor are in a stirring state. At the same time, the spiral ribbon stirring blade can also connect the left vertical rod 3 and the right vertical rod 4 to improve the strength of the left vertical rod 3 and the right vertical rod 4. In addition, the spiral ribbon stirring blade, as a sheet structure, has a better stirring effect.

[0031] Specifically, in this embodiment, the reactor stirring device is installed in the reactor. In order to make the rotating left vertical rod 3, the right vertical rod 4 and the spiral stirring blade close to the inner wall of the reactor to avoid dead corners, the reactor is a traditional cylindrical shape.

[0032] More specifically, in this embodiment, in order to prevent the material from adhering to the inner wall of the reactor, the outer periphery of the first spiral stirring blade 5 and the outer periphery of the second spiral stirring blade 6 are both close to the inner wall of the reactor. The first spiral stirring blade 5 and the second spiral stirring blade 6 can scrape the material on the inner wall of the reactor during rotation to prevent the material from adhering to the inner wall of the reactor, and can also stir the material near the inner wall of the reactor to improve the stirring effect near the inner wall of the reactor.

[0033] Specifically, in this embodiment, in order to further prevent the material from adhering to the inner wall of the reactor, the left vertical rod 3 and the right vertical rod 4 are both close to the inner wall of the reactor.

[0034] Specifically, in this embodiment, in order to improve the stirring effect of the spiral ribbon stirring blade and reduce the resistance in the middle of the spiral ribbon stirring blade, the vertical angles of the first spiral ribbon stirring blade 5 and the second spiral ribbon stirring blade 6 with the horizontal plane gradually increase from the middle to the two ends.

[0035] Specifically, in this embodiment, in order to improve the stirring effect in the middle of the reaction kettle, the upper part of the stirring shaft 1 is further provided with a turbine blade 7 extending outward.

[0036] More specifically, in this embodiment, in order to adjust the stirring resistance so that the material moves up and down during stirring, the turbine blade 7 is tilted relative to the stirring shaft 1 .

[0037] More specifically, this embodiment further provides a specific implementation of the turbine blade 7: a collar is provided on the stirring shaft 1, the collar is detachably mounted on the stirring shaft 1, and the turbine blade 7 is mounted on the collar.

[0038] Of course, the above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept of the utility model, or direct / indirect application in other related technical fields are included in the patent protection scope of the utility model and should be protected by the utility model.

Claims

1. A stirring device for a reaction kettle, characterized in that: The stirring device comprises a stirring shaft, the stirring shaft extends from the middle upper part to the lower part of the reaction kettle, a U-shaped rod is arranged at the lower part of the stirring shaft, the U-shaped rod comprises a cross bar perpendicular to the stirring shaft, the middle part of the cross bar is installed on the stirring shaft; the two ends of the cross bar are respectively provided with a left vertical rod and a right vertical rod extending upward; A first spiral stirring blade and a second spiral stirring blade are also arranged between the left vertical rod and the right vertical rod, and the two ends of the first spiral stirring blade are respectively connected to the upper end of the left vertical rod and the lower end of the right vertical rod, and the two ends of the second spiral stirring blade are respectively connected to the lower end of the left vertical rod and the upper end of the right vertical rod.

2. The stirring device for a reaction kettle according to claim 1, characterized in that: The reactor is in a cylindrical shape.

3. The stirring device for a reaction kettle according to claim 2, characterized in that: The outer periphery of the first helical ribbon stirring blade and the outer periphery of the second helical ribbon stirring blade are both close to the inner wall of the reactor.

4. The stirring device for a reaction kettle according to claim 2, characterized in that: The left vertical rod and the right vertical rod are both close to the inner wall of the reactor.

5. The stirring device for a reaction kettle according to claim 1, characterized in that: The vertical angles between the first spiral stirring blade and the second spiral stirring blade and the horizontal plane gradually increase from the middle to both ends.

6. The stirring device for a reaction kettle according to claim 1, characterized in that: The upper part of the stirring shaft is also provided with turbine blades extending outwards.

7. The stirring device for a reaction kettle according to claim 6, characterized in that: The turbine blade is arranged tilted relative to the stirring shaft.

8. The stirring device for a reaction kettle according to claim 6, characterized in that: The stirring shaft is provided with a sleeve ring, the sleeve ring is detachably mounted on the stirring shaft, and the turbine blade is mounted on the sleeve ring.

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