Neutralization reactor for alkylation reaction

Abstract

The utility model relates to the relevant technical field of neutralization reactors for alkylation reaction, in particular to a neutralization reactor for alkylation reaction, which comprises a reaction tank, a built-in tank, a servo motor and a stirring component, the built-in tank is fixedly connected inside the reaction tank, and the servo motor is arranged on the built-in tank in a driving power manner. The heat exchange tubes are integrally distributed and inserted into the inner walls of the reaction tank and the built-in tank, the reaction tank and the built-in tank can control the temperature in the reaction process conveniently, it is ensured that the reaction is carried out at the optimal temperature, and when the heat exchange tubes are corroded and damaged, a user can regularly maintain and detach fixing bolts on the reaction tank and the built-in tank and detach and replace the heat exchange tubes and fixing plates, so that the heat exchange efficiency is improved. When sulfuric acid is used for carrying out alkylation reaction to corrode the heat exchange tube, the reaction tank and the built-in tank adopt an inner wall assembly structure for replacement, so that the influence of corrosion on equipment and safety is reduced, and the heat exchange tube of the alkylation reactor with an integrated structure is favorably replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the neutralization reactor for alkylating reaction related technical field, specifically a kind of neutralization reactor for alkylating reaction. BACKGROUND

[0002] The cover body of the neutralization reactor for alkylating reaction is fixed on the top of the reaction tank, which is used to close the reaction tank and facilitate the installation of the stirrer and the discharge pipe. The inner wall of the reaction tank is symmetrically fixed with a partition plate, which divides the internal space of the reaction tank into multiple independent areas to improve the reaction efficiency and control the reaction process. The shaft is rotatably connected to the cover body and the partition plate through a bearing, which is used to drive the stirring paddle to rotate. The servo motor is fixed on the top of the cover body, and its output end is fixedly connected to the shaft, which is used to accurately control the rotating speed and direction of the stirring paddle. The stirring paddle is symmetrically fixed on the shaft, and two first stirring paddles are located above the two partition plates, respectively, which are used to stir the reactants and promote the uniform reaction.

[0003] In the existing heat exchange process of the neutralization reactor for alkylating reaction, using sulfuric acid for alkylating reaction may cause corrosion problems, which affects the equipment and safety, leading to corrosion and damage of the heat exchange tube in the alkylating reaction. The mixture after reaction or unreacted raw materials is discharged through the discharge pipe for secondary addition, mixing and stirring, which is low in efficiency and high in cost for the second start of the reactor. SUMMARY

[0004] The utility model aims to provide a kind of neutralization reactor for alkylating reaction to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of neutralization reactor for alkylating reaction, a kind of neutralization reactor for alkylating reaction, including reaction tank, built-in tank and servo motor and stirring assembly, the built-in tank is fixedly connected in the reaction tank interior, the driving power on the built-in tank is provided with servo motor, the movable place on the stirring assembly is provided with built-in tank and servo motor, still include being provided with,

[0007] Replacement assembly is installed on the reaction tank;

[0008] Centrifugal component is arranged on the reaction tank;

[0009] Wherein, the fastening place on the reaction tank and the built-in tank is provided with fixed bolt, the sealing place on the built-in tank is provided with cover body, the mounting place on the cover body is provided with shaft, the feeding place on the cover body is fixed with feeding port, the bottom end of the reaction tank is fixed with discharge base.

[0010] The alkylating reaction neutralization reactor as claimed in claim 1, wherein the reaction tank and the built-in tank are driven to stir by a servo motor and a rotating shaft.

[0011] The alkylating reaction neutralization reactor as claimed in claim 1, wherein the reaction tank and the built-in tank are fastened together by a fixed bolt.

[0012] The alkylating reaction neutralization reactor as claimed in claim 1, wherein the replacement assembly comprises a mounting groove formed on the connection between the reaction tank and the built-in tank, a fixed plate movably mounted in the mounting groove, and a heat exchange pipe fixedly mounted at the bottom end of the fixed plate.

[0013] The alkylating reaction neutralization reactor as claimed in claim 1, wherein the heat exchange pipe and the fixed plate are fastened together in the mounting groove by a fixed bolt.

[0014] The alkylating reaction neutralization reactor as claimed in claim 1, wherein the centrifugal assembly comprises a transmission shaft movably mounted at the bottom end of the rotating shaft, a stirring paddle provided at a fixed position on the transmission shaft, and a rotating disc fixedly mounted at the bottom end of the stirring paddle.

[0015] The alkylating reaction neutralization reactor as claimed in claim 1, wherein the centrifugal assembly further comprises a centrifugal cover movably mounted in the reaction tank, and the stirring paddle and the rotating disc are driven to rotate and stir in the centrifugal cover by the rotating shaft.

[0016] Compared with the prior art, the heat exchange pipe is integrally distributed and inserted into the inner walls of the reaction tank and the built-in tank, so that the temperature during the reaction process can be controlled by the reaction tank and the built-in tank, and the reaction can be ensured to be carried out at the optimum temperature.

[0017] The raw materials in the centrifugal cover are integrally stirred by the transmission shaft and the rotating disc, so that the waste materials and the unreacted raw materials can be prevented from entering the discharging base, the centrifugal cover can be used to separately store the mixture or the unreacted raw materials after the reaction, and the mixture or the unreacted raw materials can be directly added, mixed and stirred without being discharged, so that the stirring and reaction efficiency is improved, the reactor is prevented from being started again to separately catalyze and discharge the mixture or the unreacted raw materials after the reaction, and the use cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0019] Figure 2 The structure diagram of the replacement assembly of the utility model;

[0020] Figure 3 The structure diagram of the centrifugal assembly of the utility model;

[0021] Figure 4 The internal structure diagram of the reaction tank of the utility model.

[0022] In the figure: 1, reaction tank; 2, fixed bolt; 3, built-in tank; 4, servo motor; 5, rotating shaft; 6, feeding port; 7, cover body; 8, discharging base; 9, mounting groove; 10, heat exchange pipe; 11, fixed plate; 12, transmission shaft; 13, stirring paddle; 14, rotating disc; 15, centrifugal cover. DETAILED DESCRIPTION

[0023] Various exemplary embodiments, features, and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the drawings denote elements having the same function or similar functions. Although various aspects of the embodiments are illustrated in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0024] The word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any implementation described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other implementations.

[0025] In addition, in order to better illustrate the present application, a large number of specific details are given in the specific embodiments below. Those skilled in the art should understand that the present application can also be implemented without certain specific details. In some examples, methods, means, elements well known to those skilled in the art are not described in detail, in order to highlight the main idea of the present application.

[0026] Please refer to Figures 1-4 , a neutralization reactor for alkylation reaction is proposed, which comprises a reaction tank 1, a built-in tank 3, a servo motor 4, and a stirring assembly.

[0027] The built-in tank 3 is fixedly connected inside the reaction tank 1, the driving power on the built-in tank 3 is provided with the servo motor 4, the movable part of the stirring assembly is provided with the built-in tank 3 and the servo motor 4, the replacement assembly is installed on the reaction tank 1; the centrifugal assembly is arranged on the reaction tank 1;

[0028] The reaction tank 1 and the built-in tank 3 are fixedly connected together, mainly used for containing reactants and carrying out chemical reactions, the servo motor 4 is movably installed on the reaction tank 1 and the built-in tank 3, used for accurately controlling the rotating speed and direction of stirring;

[0029] The fastening part on the reaction tank 1 and the built-in tank 3 is provided with the fixing bolt 2, the sealing part on the built-in tank 3 is provided with the cover body 7, the mounting part on the cover body 7 is provided with the rotating shaft 5, the feeding part on the cover body 7 is fixedly provided with the feeding opening 6, and the bottom end of the reaction tank 1 is fixedly provided with the discharging base 8.

[0030] In the embodiment, the gap part on the reaction tank 1 and the built-in tank 3 is fixedly packaged through the fixing bolt 2, the cover body 7 is installed on the reaction tank 1 and the built-in tank 3, which is used for closing the reaction tank 1 and facilitating the installation of the rotating shaft 5 and the servo motor 4, the reaction tank 1 and the built-in tank 3 are used for adding neutral raw materials in the alkylation reaction through the feeding opening 6, and the waste is discharged through the discharging base 8 at the bottom of the reaction tank 1.

[0031] Preferably, the built-in tank 3 and the reaction tank 1 are driven to stir through the servo motor 4 and the rotating shaft 5, the rotating shaft 5 is driven to rotate and stir by the servo motor 4, and the raw materials in the built-in tank 3 and the reaction tank 1 can be stirred and reacted.

[0032] Preferably, the reaction tank 1 and the built-in tank 3 are threadedly fastened together through the fixing bolt 2, the gap part on the reaction tank 1 and the built-in tank 3 is plugged and installed through the fixing bolt 2, and the reaction tank 1 and the built-in tank 3 can be sealed and plugged.

[0033] Please refer to Figure 1 and Figure 2 In the embodiment, the replacement assembly comprises the installation groove 9 opened on the connection part of the reaction tank 1 and the built-in tank 3, the fixing plate 11 movably installed in the installation groove 9, and the heat exchange pipe 10 fixedly installed at the bottom end of the fixing plate 11.

[0034] The installation groove 9 is opened on the gap part of the reaction tank 1 and the built-in tank 3, so that the fixing plate 11 is integrally installed in the installation groove 9, the gap part of the reaction tank 1 and the built-in tank 3 can be sealed, the heat exchange pipe 10 is distributedly installed at the bottom end of the fixing plate 11, and the heat exchange pipe 10 is movably installed in the reaction tank 1 and the built-in tank 3 through the fixing plate 11.

[0035] Preferably, the heat exchange pipe 10 and the fixed plate 11 are threadedly fastened in the mounting groove 9 by the fixing bolt 2. When the heat exchange pipe 10 is movably mounted in the reaction tank 1 and the built-in tank 3 through the fixed plate 11, the heat exchange pipe 10 and the fixed plate 11 are integrally sealed in the mounting groove 9, and the heat exchange pipe 10 is integrally distributed and inserted into the inner wall of the reaction tank 1 and the built-in tank 3, so as to facilitate the reaction tank 1 and the built-in tank 3 to control the temperature in the reaction process and ensure that the reaction is carried out at the optimum temperature. When the heat exchange pipe 10 is corroded and damaged, the user can regularly maintain and disassemble the fixing bolt 2 on the reaction tank 1 and the built-in tank 3, disassemble and replace the heat exchange pipe 10 and the fixed plate 11, and replace the reaction tank 1 and the built-in tank 3 when the heat exchange pipe 10 is corroded when using sulfuric acid for alkylation reaction. The inner wall assembly structure is adopted to reduce the influence of corrosion on equipment and safety, and is beneficial to the replacement of the heat exchange pipe 10 of the integrated structure alkylation reactor.

[0036] Please refer to Figure 3 and Figure 4 In this embodiment, the centrifugal assembly comprises a transmission shaft 12 movably mounted at the bottom end of the rotating shaft 5. The stirring paddle 13 is fixedly arranged on the transmission shaft 12, and the rotating disc 14 is fixedly mounted at the bottom end of the transmission shaft 12.

[0037] The transmission shaft 12 is mounted on the rotating shaft 5 and the servo motor 4, so that the stirring paddle 13 is fixed on the transmission shaft 12 and driven to rotate by the rotating shaft 5 and the servo motor 4. The rotating disc 14 is fixedly mounted at the bottom end of the transmission shaft 12, and the transmission shaft 12 and the rotating disc 14 can rotate in the reaction tank 1 and the built-in tank 3.

[0038] Please refer to Figure 3 and Figure 4 In this embodiment, the centrifugal assembly further comprises a centrifugal cover 15 movably mounted in the reaction tank 1. The stirring paddle 13 and the rotating disc 14 are driven to rotate and stir in the centrifugal cover 15 by the rotating shaft 5.

[0039] The centrifugal cover 15 is installed inside the reaction tank 1 and the built-in tank 3 at the bottom end of the built-in tank 3, so that the rotating shaft 5, the transmission shaft 12 and the rotating disc 14 on the cover body 7 are movably installed inside the centrifugal cover 15; when the user adds raw materials into the upper feeding opening 6, the raw materials enter the centrifugal cover 15 through the upper feeding opening 6 and are stirred and catalyzed by the rotating shaft 5, the transmission shaft 12 and the rotating disc 14; the raw materials inside the centrifugal cover 15 are integrally stirred along with the transmission shaft 12 and the rotating disc 14, so that the waste materials and unreacted raw materials cannot enter the lower discharging base 8; the centrifugal cover 15 can store and discharge the mixture or unreacted raw materials after reaction, and the mixture or unreacted raw materials can be directly added, mixed and stirred without being discharged, so that the stirring and reaction efficiency is improved, the reactor does not need to be started again to catalyze and discharge the mixture or unreacted raw materials after reaction, and the use cost is reduced; therefore, the rotating shaft 5, the transmission shaft 12 and the rotating disc 14 can be concentratedly stirred and catalyzed, the waste materials are left in the centrifugal cover 15, and the waste materials are discharged by opening the lower discharging base 8 at the bottom of the centrifugal cover 15.

[0040] As can be seen from the above, the reaction tank 1 and the built-in tank 3 are used for adding neutralized raw materials for alkylation reaction through the upper feeding opening 6, and waste materials are discharged through the lower discharging base 8 at the bottom of the reaction tank 1; the raw materials enter the centrifugal cover 15 through the upper feeding opening 6, are stirred and catalyzed by the rotating shaft 5, the transmission shaft 12 and the rotating disc 14, and are integrally stirred along with the transmission shaft 12 and the rotating disc 14, so that the waste materials and unreacted raw materials cannot enter the lower discharging base 8; the centrifugal cover 15 can store and discharge the mixture or unreacted raw materials after reaction, and the mixture or unreacted raw materials can be directly added, mixed and stirred without being discharged, so that the stirring and reaction efficiency is improved.

[0041] The heat exchange pipe 10 and the fixed plate 11 are integrally sealed in the installation groove 9, and the heat exchange pipe 10 is integrally distributed and inserted into the inner wall of the reaction tank 1 and the built-in tank 3, so that the temperature in the reaction process of the reaction tank 1 and the built-in tank 3 can be controlled, and the reaction can be ensured to be carried out at the best temperature; when the heat exchange pipe 10 is corroded and damaged, the user can regularly maintain and disassemble the fixed bolt 2 on the reaction tank 1 and the built-in tank 3.

[0042] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0043] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. An alkylation reaction neutralization reactor, comprising a reaction vessel (1), a built-in tank (3), a servo motor (4), and a stirring assembly, wherein the built-in tank (3) is fixedly connected inside the reaction vessel (1), the driving power of the built-in tank (3) is provided by the servo motor (4), and the moving parts of the stirring assembly are provided with the built-in tank (3) and the servo motor (4), characterized in that: It also includes settings, Replace the components and install them on the reaction vessel (1); A centrifuge assembly is provided on the reaction vessel (1); Among them, the fastening parts of the reaction tank (1) and the inner tank (3) are equipped with fixing bolts (2), the sealing part of the inner tank (3) is provided with a cover (7), the mounting part of the cover (7) is equipped with a rotating shaft (5), the feeding part of the cover (7) is fixed with a feeding port (6), and the bottom end of the reaction tank (1) is fixed with a feeding base (8).

2. The alkylation reaction neutralization reactor according to claim 1, characterized in that, The built-in tank (3) and the reaction tank (1) are driven by a servo motor (4) and a rotating shaft (5) for stirring.

3. The alkylation reaction neutralization reactor according to claim 1, characterized in that, The reaction vessel (1) and the inner vessel (3) are fastened together by a fixing bolt (2) threaded together.

4. The alkylation reaction neutralization reactor according to claim 1, characterized in that, The replacement component includes an installation slot (9) opened at the connection between the reaction vessel (1) and the inner tank (3), a fixing plate (11) is movably installed inside the installation slot (9), and a heat exchange tube (10) is fixedly installed at the bottom of the fixing plate (11).

5. The alkylation reaction neutralization reactor according to claim 4, characterized in that, The heat exchange tube (10) and the fixing plate (11) are threadedly fastened inside the mounting groove (9) by fixing bolts (2).

6. The alkylation reaction neutralization reactor according to claim 1, characterized in that, The centrifugal assembly includes a drive shaft (12) movably mounted at the bottom of the rotating shaft (5), a stirring paddle (13) is provided at a fixed position on the drive shaft (12), and a rotating disk (14) is fixedly mounted at the bottom of the stirring paddle (13).

7. The alkylation reaction neutralization reactor according to claim 6, characterized in that, The centrifuge assembly also includes a centrifuge hood (15) movably installed inside the reaction vessel (1), and the stirring paddle (13) and the rotating disk (14) are driven to rotate and stir inside the centrifuge hood (15) via a rotating shaft (5).

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