A device for treating exhaust gas in the synthesis of levopropoxyphenylglycine methyl ester

By using a multi-stage collaborative impurity removal structure and a mechanical linkage system, the problems of poor impurity separation and inability to adjust the stirring speed in the exhaust gas treatment device have been solved, achieving efficient and stable exhaust gas purification and energy consumption optimization, and improving production continuity and equipment lifespan.

CN122352007APending Publication Date: 2026-07-10UNITED LAB INNER MONGOLIA CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
UNITED LAB INNER MONGOLIA CO LTD
Filing Date
2026-04-20
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing exhaust gas treatment devices suffer from problems such as poor impurity separation, inability to adaptively adjust stirring speed, and easy clogging of stirring components when treating exhaust gas generated from the synthesis reaction of L-hydroxyphenylglycine methyl ester. These problems lead to equipment blockage, low purification efficiency, and energy waste.

Method used

It adopts a multi-stage collaborative impurity removal structure, including a guide tube, a detection shell, an impurity separation tube, and a separation storage box. It uses segmented spiral baffles and stirring rods to perform graded impurity separation. Combined with a servo motor and mechanical linkage system to adjust the stirring speed, it achieves dynamic matching between exhaust gas flow and stirring speed, and is equipped with a self-cleaning stirring rod structure.

Benefits of technology

It achieves precise classification and removal of impurities in exhaust gas, reduces the load on subsequent units, ensures stable operation of the equipment, improves purification efficiency and production continuity, reduces energy consumption and maintenance costs, and extends equipment life.

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Abstract

This invention belongs to the field of chemical waste gas treatment technology, and specifically relates to a waste gas treatment device for the synthesis of L-p-hydroxyphenylglycine methyl ester. It addresses the technical problems of traditional devices, such as poor impurity separation, inability to adaptively control the stirring speed, and easy clogging of the stirring components. The proposed solution is as follows: A waste gas treatment device for the synthesis of L-p-hydroxyphenylglycine methyl ester includes a reaction tank and an absorption tank disposed on one side of the reaction tank for waste gas treatment. A guide pipe, a detection shell, an impurity separation pipe, and a separation storage tank are sequentially connected in series on the surface of the absorption tank. A gas delivery pipe is connected to one side of the reaction tank. The tail end of the guide pipe extends to the bottom of the absorption tank, and the tail end of the gas delivery pipe is inclined upwards and connected in series on the surface of the impurity separation pipe. This invention achieves efficient waste gas purification, reduces clogging and energy consumption, reduces impurities at the source, improves device stability and service life, and simplifies maintenance through staged impurity removal, flow-linked speed regulation, and a self-cleaning structure.
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