CN114011369A

CN114011369A - Reaction kettle structure

Info

Publication number: CN114011369A
Application number: CN202111492269.2A
Authority: CN
Inventors: 王方银; 余睿; 王善志; 陈小明; 范宽政; 张亚
Original assignee: Anhui Meijia New Material Co ltd
Current assignee: Anhui Meijia New Material Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-02-08

Abstract

The invention provides a reaction kettle structure applied to the technical field of reaction kettles, which comprises a reaction kettle body (1) and a phase splitter (2), wherein the upper part of the reaction kettle body (1) is connected with a condenser (3), the condenser (3) is connected with the upper part of the phase splitter (2), the lower part of the phase splitter (2) is connected with the upper part of the reaction kettle body (1) through a pipeline I (5), the lower part of the connecting position of the pipeline I (5) and the upper part of the reaction kettle body (1) is communicated with the pipeline I (5) through a pipeline II (6), and ball valves (7) are respectively arranged on the pipeline I (5) and the pipeline II (6). The reaction time is saved, and the reaction yield is improved.

Description

Reaction kettle structure

Technical Field

The invention belongs to the technical field of reaction kettles, and particularly relates to a reaction kettle structure.

Background

The phase separator of the existing reaction kettle has the effects that when the reaction kettle is subjected to alkali addition closed-loop reaction, mixed steam of epoxy chloropropane and water is condensed by a condenser through a gas phase pipe and then flows into the phase separator through a liquid phase pipe, the epoxy chloropropane layered in the phase separator (the epoxy chloropropane is on the lower layer and the water is on the upper layer) on the lower layer flows back to the reaction kettle through a pipeline through a bottom valve of the phase separator, and the water on the upper layer flows to a wastewater tank through an overflow pipe. The existing device has the problems that when the liquid outlet amount of a reaction kettle is too large and the liquid level of a phase separator is too high, chloropropane is easy to run off through an overflow pipe, so that the proportion is not regulated, and the product quality is influenced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects of the prior art, the reaction kettle structure is simple in structure, the liquid level in the phase separator can be effectively controlled when the reaction kettle is added with alkali under the condition of large liquid output, so that chloropropane completely flows back into the reaction kettle without suspending the reaction, the reaction time is saved, and the reaction yield is improved.

To solve the technical problems, the invention adopts the technical scheme that:

the invention relates to a reaction kettle structure, which is characterized in that: the reaction kettle structure comprises a reaction kettle body and a phase splitter, wherein the upper part of the reaction kettle body is connected with a condenser, the condenser is connected with the upper part of the phase splitter, the lower part of the phase splitter is connected with the upper part of the reaction kettle body through a pipeline I, the pipeline I is communicated with the pipeline I through a pipeline II below the connecting position of the upper part of the reaction kettle body, and ball valves are respectively arranged on the pipeline I and the pipeline II.

The reaction kettle body is connected with a condenser through a gas phase pipe, and the condenser is connected with the upper part of the phase splitter through a return pipe.

The pipeline I comprises a lower vertical section, a lower horizontal section, a vertical section, an upper horizontal section and an upper vertical section.

The upper port of the lower vertical section is connected with the lower part of the phase splitter, and the lower port of the upper vertical section is connected with the upper part of the reaction kettle body.

II one ends of pipelines connect reation kettle body side, II other ends of pipelines communicate vertical part, pipeline II is located the upper horizontal segment below position.

The upper part of the reaction kettle body is provided with a cover body, and a stirrer is arranged on the cover body.

And a discharge pipe is arranged on the side surface of the phase separator close to the upper part.

The lower part of the reaction kettle body is of a conical structure, and the lower end of the reaction kettle body is provided with an outlet valve.

The paddle of the stirrer extends to a position close to the lower part of the reaction kettle body.

By adopting the technical scheme of the invention, the following beneficial effects can be obtained:

according to the reaction kettle structure, when the reaction kettle works normally and the liquid output amount is not large (not exceeding the set liquid storage amount standard), the ball valve on the pipeline II is closed, the ball valve on the pipeline I is opened, at the moment, chloropropane in the phase separator flows back into the reaction kettle body through the pipeline I, the normal work of the reaction kettle body and the phase separator is ensured, and the liquid level in the phase separator cannot exceed the set liquid level. When the high time of standing still of phase splitter liquid level, ball valve on the control unit control pipeline II is opened, the liquid level in the phase splitter also flows back to the reation kettle body through pipeline II simultaneously this moment, let the phase splitter liquid level slowly fall down, make the liquid level in the phase splitter reduce below the height of pipeline II, avoid the liquid level in the phase splitter to obtain reliable control, make the whole refluxes of chloropropane enter the reation kettle body, avoid the chloropropane in the phase splitter to pass through the overflow pipe again and run off, avoid causing the ratio imbalance, guarantee product quality, do not need reation kettle body pause reaction simultaneously, time saving, the increase of production. According to the reaction kettle structure, in the reaction kettle, when alkali is added into the reaction kettle, the liquid level in the phase separator can be effectively controlled under the condition of large liquid output, so that chloropropane completely flows back into the reaction kettle without stopping the reaction, the reaction time is saved, and the reaction yield is improved.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

FIG. 1 is a schematic structural view of a reactor structure according to the present invention;

in the drawings, the reference numbers are respectively: 1. a reaction kettle body; 2. a phase splitter; 3. a condenser; 4. a return pipe; 5. a pipeline I; 6. a pipeline II; 7. a ball valve; 8. a gas phase pipe; 9. a lower vertical section; 10. a lower horizontal section; 11. a vertical section; 12. an upper horizontal section; 13. an upper vertical section; 14. a cover body; 15. a stirrer; 16. a discharge pipe; 17. an outlet valve; 18. a blade.

Detailed Description

The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:

as shown in the attached figure 1, the invention is a reaction kettle structure, which is characterized in that: the reation kettle structure include reation kettle body 1,

phase separator

2, 1 upper portion of reation kettle body be connected with condenser 3, condenser 3 is connected with 2 upper portions of phase separator, 2 lower parts of phase separator are connected with 1 upper portion of reation kettle body through pipeline I5, pipeline I5 and 1 upper portion hookup location below of reation kettle body are through pipeline II 6 and pipeline I5 intercommunication, set up ball valve 7 on pipeline I5 and the pipeline II 6 respectively. The structure provides an improved scheme aiming at the defects in the prior art. When the reaction kettle normally works and the liquid output is not large (not exceeding the set liquid storage standard), the ball valve on the pipeline II 6 is closed, the ball valve on the pipeline I5 is opened, at the moment, chloropropane in the phase separator 2 flows back to the reaction kettle body through the pipeline I5, the normal work of the reaction kettle body and the phase separator is ensured, and the liquid level in the phase separator cannot exceed the set liquid level. When the high time of staying not down of phase splitter liquid level, the ball valve on control unit control pipeline II 6 is opened, the liquid level in the phase splitter also flows back to the reation kettle body through pipeline II 6 simultaneously this moment, let the phase splitter liquid level slowly fall down, make the liquid level in the phase splitter reduce below the height of pipeline II 6, avoid the liquid level in the phase splitter to obtain reliable control, make the whole refluxes of chloropropane enter the reation kettle body, avoid the chloropropane in the phase splitter to pass through the overflow pipe again and run off, avoid causing the ratio imbalance, guarantee product quality, do not need reation kettle body pause reaction simultaneously, time saving, and the output is improved. The reaction kettle structure is simple, the liquid level in the phase separator can be effectively controlled when the alkali is added into the reaction kettle and the liquid output is large, so that chloropropane completely flows back into the reaction kettle without stopping the reaction, the reaction time is saved, and the reaction yield is improved.

The reaction kettle body 1 is connected with a condenser 3 through a gas phase pipe 8, and the condenser 3 is connected with the upper part of the phase separator 2 through a return pipe 4. Above-mentioned structure, reation kettle is adding alkali closed loop reaction, and the mixed steam of epichlorohydrin and water flows back to phase separator 2 through backward flow jar (liquid phase pipe) again after the condensation of condenser 3 through gas phase pipe 8, and layering (epichlorohydrin is in the lower floor, water is on the upper strata) epichlorohydrin of lower floor can flow back to the reation kettle body through the lower part of phase separator 2 through the pipeline in phase separator 2, and upper water flows to the waste water jar through discharge pipe (overflow pipe).

The pipeline I5 comprises a lower vertical section 9, a lower horizontal section 10, a vertical section 11, an upper horizontal section 12 and an upper vertical section 13. The upper port of the lower vertical section 9 is connected with the lower part of the phase separator 2, and the lower port of the upper vertical section 13 is connected with the upper part of the reaction kettle body 1. One end of the pipeline II 6 is connected with the side surface of the reaction kettle body 1, the other end of the pipeline II 6 is communicated with the vertical part 11, and the pipeline II 6 is positioned below the upper horizontal section 12. The structure is actually provided with two pipelines which are communicated with the reaction kettle body and the phase separator. In different situations, different lines are put into communication. Especially when the liquid level of the phase separator is not high, the control part controls the ball valve on the pipeline II 6 to be opened, at the moment, the liquid level in the phase separator also flows back to the reaction kettle body through the pipeline II 6, the liquid level of the phase separator slowly falls down, the liquid level in the phase separator is reduced to be below the height of the pipeline II 6, the liquid level in the phase separator is prevented from being reliably controlled, all chloropropane flows back into the reaction kettle body, and the chloropropane in the phase separator is prevented from losing through the overflow pipe. Thus, the reliability of the reaction kettle is effectively ensured.

The upper part of the reaction kettle body 1 is provided with a cover body 14, and a stirrer 15 is arranged on the cover body 14. The stirrer is used for stirring materials needing to be reacted in the stirrer according to needs.

And a discharge pipe 16 is arranged on the side surface of the phase separator 2 close to the upper part. The lower part of the reaction kettle body 1 is of a conical structure, and the lower end of the reaction kettle body 1 is provided with an outlet valve 17.

The blades 18 of the stirrer 15 extend to a position close to the lower part of the reaction kettle body 1.

The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the invention, and its application to other applications without departing from the spirit and scope of the invention.

Claims

1. A kind of reaction kettle structure, its characteristic lies in: the reation kettle structure include reation kettle body (1), phase separator (2), reation kettle body (1) upper portion be connected with condenser (3), condenser (3) are connected with phase separator (2) upper portion, phase separator (2) lower part is passed through pipeline I (5) and is connected with reation kettle body (1) upper portion, pipeline I (5) and reation kettle body (1) upper portion hookup location below are passed through pipeline II (6) and pipeline I (5) intercommunication, set up ball valve (7) on pipeline I (5) and pipeline II (6) respectively.

2. The reactor structure of claim 1, wherein: the reaction kettle body (1) is connected with the condenser (3) through the gas phase pipe (8), and the condenser (3) is connected with the upper part of the phase splitter (2) through the return pipe (4).

3. The reactor structure of claim 1 or 2, wherein: the pipeline I (5) comprises a lower vertical section (9), a lower horizontal section (10), a vertical section (11), an upper horizontal section (12) and an upper vertical section (13).

4. The reactor structure of claim 3, wherein: the upper port of the lower vertical section (9) is connected with the lower part of the phase separator (2), and the lower port of the upper vertical section (13) is connected with the upper part of the reaction kettle body (1).

5. The reactor structure of claim 1 or 2, wherein: one end of the pipeline II (6) is connected with the side face of the reaction kettle body (1), the other end of the pipeline II (6) is communicated with the vertical part (11), and the pipeline II (6) is located below the upper horizontal section (12).

6. The reactor structure of claim 1 or 2, wherein: a cover body (14) is arranged at the upper part of the reaction kettle body (1), and a stirrer (15) is arranged on the cover body (14).

7. The reactor structure of claim 1 or 2, wherein: and a discharge pipe (16) is arranged at the position of the side surface of the phase separator (2) close to the upper part.

8. The reactor structure of claim 1 or 2, wherein: the lower part of the reaction kettle body (1) is of a conical structure, and the lower end of the reaction kettle body (1) is provided with an outlet valve (17).

9. The reactor structure of claim 6, wherein: the paddle (18) of the stirrer (15) extends to a position close to the lower part of the reaction kettle body (1).