A method and system for dosing industrial wet salt particles

By using gravity sedimentation concentration and pipeline transportation metering, the problem of inaccurate addition of industrial wet salt in the salting-out system has been solved, achieving high-precision wet salt addition, reducing production costs and energy consumption, and improving production efficiency.

CN117623341BActive Publication Date: 2026-07-24SHANGHAI YANZHENG SEPARATION TECH CO LTD
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Patent Information

Application Number
CN202311609032.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-29
Publication Date
2026-07-24
Estimated Expiration
2043-11-29

AI Technical Summary

Technical Problem

In existing technologies, industrial wet salt particles cannot be accurately added to the salting-out system, resulting in the salting-out endpoint not being reached or the salt particles exceeding the standard, which increases the raw material costs for enterprises. Furthermore, traditional conveying methods lead to uneven distribution of the material, affecting production efficiency.

Method used

By combining the high-concentration suspension transport characteristics with gravity sedimentation concentration and pipeline transport metering, the quantitative addition of industrial wet salt particles is achieved. A high-concentration sodium chloride suspension is prepared through a wet salt preparation unit. After gravity concentration, a clear saturated solution and a stable granular slurry are obtained. The granules are then precisely added using a quantitative addition unit, and the clear solution is recycled using a reflux device.

Benefits of technology

It enables precise quantitative addition of industrial wet salt, improves the applicability of salting-out technology, reduces production energy consumption and raw material costs, and enhances the reliability of conveying and regulation as well as metering accuracy.

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Abstract

The present application relates to chlor-alkali chemical technology field, specifically to a kind of industrial wet salt particle quantitative feeding method and system.The present application takes industrial wet salt as object, and the way of weighing measurement is used to prepare sodium chloride particle suspension, improve the transportability of wet sodium chloride salt particle, simultaneously through gravity concentration preparation solid-liquid ratio stable sodium chloride particle slurry, then the quantitative feeding required by salting-out is completed by volumetric flow metering method.The method provided by the present application is simple, breaks through the technical limitation that current salting-out method can only use industrial dry salt, uses economic way to complete the high-precision delivery of industrial wet salt, improves the economic benefit of the technology of removing sulphate in brine system by salting-out method.
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