一种金属钠生产副产物的处理系统

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By designing a byproduct treatment system for sodium metal production, a slurry tank is used to react with sodium hydroxide solution, followed by filtration and sedimentation to separate high-calcium sodium. This solves the problems of low purity and clogging of high-calcium sodium, and achieves resource recycling and cost reduction.

CN224507066UActive Publication Date: 2026-07-17INNER MONGOLIA LANTAI SODIUM IND CO LTD +1

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: INNER MONGOLIA LANTAI SODIUM IND CO LTD
Filing Date: 2025-07-30
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

The high-calcium sodium byproducts produced in the sodium electrolysis process have low purity, are prone to clogging the system, have low commercial value, and are difficult to handle.

Method used

Design a system for processing byproducts of sodium metal production, including a high-calcium sodium transport mechanism, a slurry tank, a first filtration device, a sedimentation tank, and a second filtration device. The system separates sodium hydroxide solution and calcium hydroxide solid by reacting with sodium hydroxide solution and performing filtration and sedimentation.

Benefits of technology

This enables the recycling and utilization of high-calcium sodium resources, reducing production costs and minimizing resource waste.

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Abstract

本实用新型公开了一种金属钠生产副产物的处理系统，其包括高钙钠传输机构、化浆池、第一过滤装置、沉降池、第二过滤装置；高钙钠传输机构的高钙钠出口与化浆池的高钙钠入口连通；化浆池设置有氢氧化钠入口、氮气入口，化浆池内设置有搅拌器、冷却系统，化浆池的浆液出口通过打料泵与第一过滤装置的进料口连通；第一过滤装置的出液口与沉降池的进料口连通；沉降池的碱液出口通过打碱泵与第二过滤装置的进料口连通，第二过滤装置的出液口连通有碱液池。通过本系统对高钙钠进行处理，分离出的产物可以作为其他工艺中的原料进行使用，可以回收再利用。解决了背景技术中高钙钠利用价值低的问题，降低了企业生产的成本，减少了资源浪费。

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Claims

1. A system for treating a by-product of sodium metal production, characterized by, It includes a high-calcium sodium transport mechanism, a slurry tank, a first filtration device, a sedimentation tank, and a second filtration device; the high-calcium sodium outlet of the high-calcium sodium transport mechanism is connected to the high-calcium sodium inlet of the slurry tank; the slurry tank is equipped with a sodium hydroxide inlet pipe, a nitrogen inlet pipe, a stirrer, and a cooling system; the slurry outlet of the slurry tank is connected to the inlet of the first filtration device via a feed pump; the outlet of the first filtration device is connected to the inlet of the sedimentation tank; the alkali outlet of the sedimentation tank is connected to the inlet of the second filtration device via an alkali pump; and the outlet of the second filtration device is connected to an alkali tank.

2. The system for treating by-products of sodium metal production according to claim 1, wherein, The slag outlets of the first and second filters are connected to a solid waste temporary storage tank.

3. The system for treating by-products of sodium metal production of claim 1, wherein, The high-calcium sodium conveying mechanism includes at least one roller conveyor, the discharge end of which is located directly above the high-calcium sodium inlet of the slurry tank; it also includes several steel grating cages, which are mounted on the roller conveyor.