A high-purity sodium monofluorophosphate production system and process

By integrating automated equipment and an adjustable heating system, the problems of equipment clumping and excessive impurities in the production of sodium monofluorophosphate were solved, achieving efficient and stable production of high-purity sodium monofluorophosphate and improving product quality and production efficiency.

CN117865112BActive Publication Date: 2026-05-19HUBEI XINGFA CHEM GRP CO LTD
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Patent Information

Application Number
CN202311682643.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-08
Publication Date
2026-05-19
Estimated Expiration
2043-12-08

AI Technical Summary

Technical Problem

The existing sodium monofluorophosphate production process suffers from problems such as strong high-temperature corrosion, easy moisture absorption of raw materials, easy agglomeration of equipment, high impurity content, and low purity, resulting in discontinuous production and unstable product quality.

Method used

The high-purity sodium monofluorophosphate production system integrates automated equipment such as feeding silos, mixers, distribution silos, graphite reactors, cooling equipment, crushers, and bag filters. Combined with temperature sensors and an adjustable heating system, it achieves automated control and efficient cooling, reduces foreign matter and impurities, and improves production efficiency.

Benefits of technology

The automated production of high-purity sodium monofluorophosphate has been achieved, which has improved production efficiency and product quality stability, reduced equipment failure rate and foreign matter risk, and increased product purity and production capacity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a high-purity sodium monofluorophosphate production system and process, which comprises a feeding bin, the discharge port of the feeding bin conveying raw materials to a mixer, the mixer conveying materials to a distribution bin through a transfer mechanism, the distribution bin conveying materials to a graphite reactor through a feeding auger, characterized in that a heat preservation sleeve is arranged outside the furnace body of the graphite reactor, a spiral groove is arranged inside the heat preservation sleeve, heating wires are arranged in the spiral groove and tightly arranged on the furnace body of the graphite reactor, and the materials reacted in the graphite reactor are sequentially conveyed to cooling equipment, a material temporary storage bin, a pulverizer, a bag-type dust collector and a finished product bin, the finished product bin discharging the materials to an automatic packaging conveying line for packaging. The production system and process can improve the automatic operation level, improve the production capacity of a single graphite reactor and achieve the purpose of high-purity sodium monofluorophosphate production.
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