An ethylene glycol crude product purification device

By designing a spherical reactor and reactor base, combined with a stirring assembly and a central control platform, the problem of glycolide residue caused by the complexity of existing equipment was solved, achieving efficient purification of glycolide and ensuring the purity of the finished product.

CN224641085UActive Publication Date: 2026-08-18SHANGHAI DIVINE MEDICAL TECH
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Patent Information

Application Number
CN202522000127.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-17
Publication Date
2026-08-18
Estimated Expiration
2035-09-17

AI Technical Summary

Technical Problem

Existing glycolide purification equipment is complex, resulting in crude glycolide and solvent residues in the pipeline, which affects the final purity.

Method used

The reactor adopts a spherical reactor and reactor base structure, and is equipped with a stirring assembly, including a stirring paddle, a metal filter screen and liquid-cooled heating pipeline. The operation is controlled by a central control platform to achieve the purification of crude glycolide.

Benefits of technology

The equipment structure has been simplified, making it easy to operate and avoiding residues of crude glycolide and solvents during pipeline transportation, thus ensuring the purity of the finished product.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a kind of glycolide crude product purification equipment, including spherical reaction kettle and reaction kettle base;The spherical reaction kettle is rotatably connected in the reaction kettle base;The stirring assembly of stirring material is provided in the spherical reaction kettle interior;The spherical reaction kettle includes upper half, the liquid inlet for liquid inlet is opened in the upper half top, and the first liquid discharge port for liquid discharge is opened in side wall.The spherical reaction kettle further includes lower half, the lower half is located in the reaction kettle base inboard, the lower half and the upper half butt joint, connect by fixing part.The stirring assembly includes second transmission shaft and stirring paddle, the upper end of the second transmission shaft is connected drive source by penetrating the upper half, and lower end is located in the spherical reaction kettle interior and connects the stirring paddle.The utility model aims at overcoming existing defects and provides a kind of glycolide crude product purification equipment, simple structure, easy operation, and guarantee cleaning quality.
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