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Esterification reaction tower

A technology of esterification reaction and esterification tower, which is applied in the field of chemical reaction equipment, can solve the problems of poor heating effect, affecting product yield and quality, and inability to effectively and fully heat reactants, etc., and achieve the effect of improving heating efficiency

Active Publication Date: 2014-10-08
GUANGXI XINTIANDE ENERGY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the heating effect of the current heating device is poor, and the purpose of effectively and fully heating the reactants cannot be achieved, which affects the progress of the reaction and even the output and quality of the product.

Method used

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Experimental program
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Embodiment 1

[0017] A kind of esterification reaction tower, such as figure 1 As shown, a reactor 1, an esterification tower and a steam pipe 4 are provided, and the top of the reactor 1 is provided with a feed port 2 and an exhaust 3, and the bottom is provided with a discharge port 6; the steam pipe 4 is provided with an installation At the steam inlet 5 on the top of the reaction kettle, the steam pipe 4 passes through the bottom of the reaction kettle 1, and the steam pipe 4 passes through the bottom part of the reaction kettle 1 to be provided with evenly distributed steam holes, and the steam holes only allow gas to pass through. An air filter membrane is arranged in the steam hole, and its pore size is about 200 mesh.

[0018] The working principle of this embodiment: Add the raw materials for the respective reactions from the feed inlet, add steam to the steam inlet after adding the raw materials, the steam will heat the raw material mixture through the vent hole, and the effect of...

Embodiment 2

[0020] This embodiment differs from Embodiment 1 in that: as figure 2 As shown, the bottom part of the vertical steam pipe of the steam pipe 4 is provided with evenly distributed steam holes, and the air filter membrane is arranged in the steam holes, and its pore size is about 100 mesh, and the rest of the structure is the same as that of embodiment 1. It can stir and mix raw materials more fully, make them fully mixed, heat more evenly, and improve reaction efficiency.

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Abstract

The invention discloses an esterification reaction tower which is provided with a reaction kettle (1), an esterification tower and vapor pipes (4), wherein a feed opening (2) and an air outlet (3) are formed in the top of the reaction kettle (1), and a discharge opening (6) is formed in the bottom of the reaction kettle (1); a vapor inlet (5), which is installed in the top of the reaction kettle, is formed in one vapor pipe (4); the vapor pipes (4) pass through the bottom of the reaction kettle (1), and vapor holes are evenly distributed in the part, which passes through the bottom of the reaction kettle, of the vapor pipes. By virtue of the esterification reaction tower, the problem of poor heating effect of existing heating equipment is solved, and the heating efficiency is effectively improved, so that the esterification reaction equilibrium moves to positive reaction.

Description

technical field [0001] The invention relates to chemical reaction equipment, in particular to an esterification reaction tower. Background technique [0002] The esterification reaction of ethyl acetate uses acetic acid and ethanol as raw materials, and sulfuric acid as a catalyst to directly esterify ethyl acetate. The esterification reaction must be carried out at a certain temperature. And the esterification reaction is a reversible reaction, which can be moved to the forward reaction direction by heating to improve the reaction efficiency of raw materials and promote the generation of ethyl acetate. [0003] However, the heating effect of the current heating device is poor, and the purpose of effectively and fully heating the reactants cannot be achieved, which affects the progress of the reaction and even the yield and quality of the product. Contents of the invention [0004] The purpose of the present invention is to overcome the deficiencies of the prior art, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/24
Inventor 冯英徐大鹏李同
Owner GUANGXI XINTIANDE ENERGY