Hydrogen peroxide working solution mixing, conveying and returned material recycling system

By designing a hydrogen peroxide working fluid mixing, conveying, and return material recycling system, the problems of inaccurate working fluid mixing and non-recovery of returned materials were solved, achieving efficient and automated mixing and return material recycling, and improving the stability and economy of hydrogen peroxide production.

CN224252698UActive Publication Date: 2026-05-19HUBEI SANNING CHEM
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Patent Information

Application Number
CN202520898232.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-05-19
Estimated Expiration
2035-05-08

AI Technical Summary

Technical Problem

In the hydrogen peroxide production process, the mixing of working solutions relies on manual operation, which makes it difficult to guarantee accuracy, resulting in fluctuations in product quality, failure to effectively recover returned materials, waste of resources, and increased costs.

Method used

Design a hydrogen peroxide working fluid mixing, conveying, and return/recovery system. A static mixer is connected via pipelines for polar solvent, aromatic solvent, and anthraquinone. The anthraquinone is preheated by a heating element and mixed with the solvent. The system is automated with a controller to ensure accurate mixing and return/recovery.

Benefits of technology

It achieves uniform mixing and stable delivery of the working fluid, reduces production costs, improves production efficiency and product quality, and reduces labor intensity.

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Abstract

The utility model relates to the technical field of hydrogen peroxide, and particularly provides a hydrogen peroxide working solution mixing conveying and returned material recycling system. Comprising a polar solvent pipeline, an aromatic hydrocarbon solvent pipeline and an anthraquinone pipeline, the polar solvent pipeline and the aromatic hydrocarbon solvent pipeline are converged and then are respectively connected to a feed port of a main-path mixer through a main-path pipeline and a branch-path pipeline, and the branch-path pipeline and the anthraquinone pipeline are converged and are connected to the feed port of the main-path mixer after passing through a branch-path mixer; a discharge port of the main path mixer is connected to a working liquid tank, and a discharge port of the working liquid tank is connected to a production device; the material return port of the production device is also connected to the working liquid tank through a pipeline; a polar solvent flowmeter and a polar solvent regulating valve are arranged on the polar solvent pipeline, an aromatic solvent flowmeter and an aromatic solvent regulating valve are arranged on the aromatic solvent pipeline, an anthraquinone flowmeter and an anthraquinone regulating valve are arranged on the anthraquinone pipeline, and a branch flowmeter and a branch regulating valve are arranged on the branch pipeline. The system is high in batching precision, stable in conveying and capable of recycling returned materials, and cost is reduced.
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