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External methylene tetrachlorophthalic anhydride purification equipment

A technology of methylene tetrachlorophthalic anhydride and purification equipment, which is applied in the direction of organic chemistry, can solve the problems of inability to purify tetrachlorophthalic anhydride, low efficiency of purification equipment, and affect the use effect of tetrachlorophthalic anhydride, so as to improve the purity and facilitate the operation Effect

Inactive Publication Date: 2018-02-27
嘉兴清洋新材料股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional tetrachlorophthalic anhydride purification equipment has low efficiency and cannot effectively purify tetrachlorophthalic anhydride, thus affecting the use effect of tetrachlorophthalic anhydride

Method used

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  • External methylene tetrachlorophthalic anhydride purification equipment
  • External methylene tetrachlorophthalic anhydride purification equipment
  • External methylene tetrachlorophthalic anhydride purification equipment

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] see Figure 1-3 , the present invention provides a technical solution: a purification device for exomethylenetetrachlorophthalic anhydride, including a melting chamber 1 and an evaporation chamber 2, a guide pipe 3 is provided on the left side of the melting chamber 1, and the guide pipe 3 passes through Welding is fixedly connected with the melting chamber 1, and the inside of the melting chamber 1 is provided with a motor 7, a melting frame 9 and a fi...

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Abstract

The purification equipment of exomethylenetetrachlorophthalic anhydride of the present invention comprises a melting chamber and an evaporation chamber, the left side of the melting chamber is provided with a guide tube, the guide tube is fixedly connected with the melting room by welding, and the inside of the melting room is There is a motor, a melting frame and a first hydraulic device, the motor is fixedly connected to the top of the melting chamber by welding, a connecting pipe is provided between the melting chamber and the evaporation chamber, and an air outlet pipe and a discharge pipe are provided outside the evaporation chamber An evaporation frame and a second hydraulic pressure device are arranged inside the evaporation chamber, and one end of the evaporation frame is fixedly connected with the inside of the evaporation chamber through a rotating shaft. For the purification equipment of exomethylene tetrachlorophthalic anhydride, acetic acid is poured into the dissolving box, tetrachlorophthalic anhydride is dissolved in acetic acid, and the impurities in tetrachlorophthalic anhydride are insoluble in acetic acid, and then the purification of tetrachlorophthalic anhydride is realized, and the solution passes through The filter screen enters the evaporation frame. Since the acetic acid is volatile, it is easy to dry the solution. The whole process is convenient and simple to operate, and the purity of tetrachlorophthalic anhydride is greatly improved.

Description

technical field [0001] The invention relates to the technical field of pharmaceutical purification equipment, in particular to a purification equipment for exomethylenetetrachlorophthalic anhydride. Background technique [0002] Tetrachlorophthalic anhydride is a reactive flame retardant. Traditional tetrachlorophthalic anhydride purification equipment has low efficiency and cannot effectively purify tetrachlorophthalic anhydride, thereby affecting the use effect of tetrachlorophthalic anhydride. Contents of the invention [0003] The object of the present invention is to provide a kind of purification equipment of exomethylenetetrachlorophthalic anhydride, which solves the problems proposed in the background technology. [0004] In order to achieve the above object, the present invention provides the following technical scheme: a kind of purification equipment of exomethylenetetrachlorophthalic anhydride, comprising a melting chamber and an evaporation chamber, the left ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D307/89
CPCC07D307/89
Inventor 于洲
Owner 嘉兴清洋新材料股份有限公司
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