Reaction kettle

Abstract

The utility model discloses a reaction kettle which comprises a reaction kettle main body assembly, a driving motor and a speed reducer assembly, and the reaction kettle main body comprises a reaction kettle bracket, a shell, a stirring paddle and a stirring shaft; the reaction kettle bracket partially or completely covers the shell, and the reaction kettle bracket and the shell are of an integrated structure; the stirring paddle comprises a double-helix structure consisting of two paddle main bodies, and the upper free ends of the two paddle main bodies extend towards the middle upper part of the shell; the lower ends of the two paddle main bodies extend to the bottom of the shell and are connected with the lowermost end of the stirring paddle through the connecting paddle, through the integrated structure of the shell and the bracket, the strength of a shell made of a thicker steel plate of a traditional reaction kettle can be reached or exceeded by adopting a thinner steel plate, and meanwhile, the production cost is remarkably controlled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of chemical equipment, concretely relates to a reaction kettle. BACKGROUND

[0002] The reaction kettle is a device for chemical reactions, physical and chemical processes, and laboratory research. It is usually made of steel plates of a certain thickness, with high corrosion resistance and high temperature and pressure bearing capacity. It is widely used in pharmaceutical, chemical, food processing and other fields to meet the needs of different processes. However, in order to make the traditional reaction kettle have enough strength, the shell is usually made of thick steel plates, and then the support for installation is fixed and installed on the shell by welding, which increases the weight of the reaction kettle, and the unit price of thick steel plates is higher than that of thin steel plates, so the production cost of the reaction kettle is undoubtedly increased; At the same time, in the internal material reaction process of the existing reaction kettle, the internal material needs to be fully stirred to make it fully react and improve the consistency of the product, but the stirring effect of the current reaction kettle is not good. SUMMARY

[0003] The utility model aims at providing a reaction kettle, which aims at reducing the production cost of the reaction kettle and increasing the strength of the reaction kettle.

[0004] To solve the above technical problems, the utility model aims at realizing the following:

[0005] A reaction kettle, comprising a reaction kettle main component, a driving motor and a speed reducer assembly, the reaction kettle main component comprising a reaction kettle support, a shell, a stirring paddle and a stirring shaft; the reaction kettle support is partially or entirely coated outside the shell, and the two are an integral structure; the stirring paddle comprises a double helix structure composed of two paddle bodies, the upper free end of the two paddle bodies extending to the middle upper part of the shell; the lower end of the two paddle bodies extends to the bottom of the shell, and is connected to the lowermost end of the stirring paddle through a connecting paddle.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: a support column is arranged between the upper free end of the paddle body and the middle lower part of the paddle body.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the inner bottom surface of the shell is arc-shaped, and the connecting paddle is arc-shaped and its bottom points are equidistant from the inner bottom surface of the shell.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: further comprising a sampling assembly, the sampling assembly is arranged at the upper end of the shell, and the sampling assembly is inclined downward and its sampling end extends to the middle part of the shell.

[0009] In the above scheme and as a preferred scheme of the above scheme: the support includes an outer shell and a plurality of connecting plates arranged between the outer shell and the shell, and the connecting plates are fixedly connected with the shell and the outer shell respectively.

[0010] In the above scheme and as a preferred scheme of the above scheme: the outer shell is fixedly provided with a mounting seat.

[0011] Compared with the prior art, the utility model has the advantages of the following: the shell and the support of the reaction kettle are arranged in an integrated structure, that is, the shell and the outer shell of the support are made of thin steel plates, and then the shell and the outer shell are connected through the connecting plates, since the main stress position of the reaction kettle is located at the middle and lower sections of the shell, the support can be arranged at the middle and lower sections of the shell, through the integrated structure of the shell and the support, the strength of the shell made of the thin steel plates can reach or exceed that of the conventional reaction kettle made of thick steel plates, and the production cost is significantly controlled; in addition, the stirring blades have a double helix structure, the upper free ends of the blade bodies extend to the middle and upper sections of the shell, the lower ends of the two blade bodies extend to the bottom of the shell, and the lower ends of the connecting blades and the stirring blades are connected, so that the bottom of the reaction kettle can also be fully stirred, and in the rotating process, the double-helix stirring blade structure can better drive the reactants at the bottom of the reaction kettle upwards, thereby realizing the circulation of the reactants in the reaction kettle and fully mixing the reactants. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall structure schematic diagram of the utility model;

[0013] Figure 2 It is the main structure schematic diagram of the reaction kettle. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiments will be described clearly and completely in combination with the drawings in the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the given embodiments, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.

[0015] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0016] In the description of this application, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated.

[0017] See details Figures 1-2 As shown, this application discloses a reaction vessel, which includes a reaction vessel main assembly 10, a drive motor 20, and a reducer assembly 30. The reaction vessel main assembly 10 includes a reaction vessel support 11, a shell 12, a stirring paddle 13, and a stirring shaft 14. The drive motor 20, after being reduced in speed and increased in torque by the reducer assembly 30, drives the stirring shaft 14 to rotate, thereby driving the stirring paddle 13 fixed on the stirring shaft 14 to rotate. See details below. Figure 2 As shown, in this embodiment, the reactor support 11 partially or completely covers the exterior of the shell 12, and the two are an integral structure. Specifically, as one embodiment, the support 11 preferably includes an outer shell 111 and a plurality of connecting plates 112 disposed between the outer shell 111 and the shell 12, with the connecting plates 112 fixedly connected to the shell 12 and the outer shell 111 respectively. Preferably, a mounting base is fixedly provided on the exterior of the outer shell 111, and the reactor is connected and fixed to the auxiliary frame through the mounting base. Since the main stress position of the reactor is located in the middle and lower section of the shell, the support can be set in the middle and lower section of the shell. Through the integrated structure of the shell and the support, the strength of the shell of the traditional reactor, which is made of thicker steel plate, can be achieved or exceeded by using a thinner steel plate, while significantly controlling the production cost. Furthermore, the stirring paddle 13 comprises a double-helix structure consisting of two blade bodies 131. The upper free ends 1311 of the two blade bodies 131 extend towards the upper middle part of the shell 12; the lower ends of the two blade bodies 131 extend towards the bottom of the shell 12 and are connected to the lowest end of the stirring paddle 13 via connecting blades 1312. Preferably, the inner bottom surface of the shell 12 is arc-shaped, and the connecting blades 1312 are arc-shaped with their bottom points equidistant from the inner bottom surface of the shell 12. Through the double-helix structure of the stirring paddles, with the upper free ends of the blade bodies extending towards the upper middle part of the shell and the lower ends of the two blade bodies extending towards the bottom of the shell and connected to the lowest end of the stirring paddle via connecting blades, the bottom of the reactor can also be fully stirred. Furthermore, during rotation, the double-helix stirring paddle structure can better lift the reactants at the bottom of the reactor, thereby achieving circulating flow of the reactants within the reactor and ensuring thorough mixing.

[0018] Of course, considering that the reaction kettle in the stirring process, the stirring paddle will withstand greater force, considering the strength of the stirring paddle, the preferred embodiment of the paddle body 131 the upper free end 1311 and the lower part of the paddle body 131 between the support column 133. Thus, the upper free end 1311 of the paddle body 131 is supported by the support column 133 to strengthen, and further improve the strength of the stirring paddle, prevent its deformation in the stirring process.

[0019] In addition, in order to facilitate the reaction of the reactant in the reaction kettle in the reaction of the timely detection, the embodiment also includes a sampling assembly 40, the sampling assembly 40 is arranged in the upper end of the shell 12, and the sampling assembly 40 is inclined downward and its sampling end extends to the middle of the shell 12. Specifically, the sampling assembly 40 includes a sampling tube 41 and a negative pressure sampling tank assembly 42, the sampling tube 41 extends from above the stirring paddle to the middle of the reaction kettle, and the other end of the sampling tube is welded and fixed on the shell, the negative pressure sampling tank assembly 42 is connected with the sampling tube 41 and is connected with the shell, when sampling is needed, the negative pressure sampling tank assembly 42 is connected with the sampling tube 41, the negative pressure is introduced into the sampling tank of the sampling tank assembly 42, and then the reactant in the reaction kettle is drawn into the sampling tank, of course, also including the necessary valve, after sampling is completed, the valve is closed before the sampling tank is unscrewed, so that the sampling channel is cut off, and the influence of external air pressure on the reaction kettle is avoided. Thus, in cooperation with the double helix stirring paddle structure, good avoidance can be achieved, and the reactant in the reaction kettle can be collected.

[0020] The above examples are only preferred embodiments of the present application, and do not limit the protection scope of the present application, so: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A reaction vessel, comprising a main reaction vessel assembly (10), a drive motor (20), and a reducer assembly (30), characterized in that: The main body assembly (10) of the reactor includes a reactor support (11), a shell (12), a stirring paddle (13), and a stirring shaft (14); the reactor support (11) partially or completely covers the outside of the shell (12), and the two are an integral structure; the stirring paddle (13) includes a double helix structure composed of two blade bodies (131), the upper free ends (1311) of the two blade bodies (131) extend toward the middle and upper part of the shell (12); the lower ends of the two blade bodies (131) extend toward the bottom of the shell (12), and are connected to the bottom of the stirring paddle (13) by connecting blades (1312).

2. The reaction vessel according to claim 1, characterized in that: A support column (133) is provided between the upper free end (1311) of the blade body (131) and the middle and lower part of the blade body (131).

3. A reaction vessel according to claim 1, characterized in that: The inner bottom surface of the housing (12) is arc-shaped, and the connecting blade (1312) is arc-shaped with each point at its bottom equidistant from the inner bottom surface of the housing (12).

4. A reaction vessel according to claim 1, characterized in that: It also includes a sampling component (40), which is disposed at the upper end of the housing (12) and is inclined downward with its sampling end extending toward the middle of the housing (12).

5. A reaction vessel according to claim 1, characterized in that: The bracket (11) includes an outer shell (111) and a plurality of connecting plates (112) disposed between the outer shell (111) and the housing (12), and the connecting plates (112) are fixedly connected to the housing (12) and the outer shell (111) respectively.

6. A reaction vessel according to claim 5, characterized in that: The outer casing (111) is fixedly provided with a mounting base.

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