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High-temperature purification system for fluoride salt in anode carbon slag

A high-temperature purification, fluoride salt technology, applied in the preparation of fluoride, chemical instruments and methods, and cleaning methods using gas flow, etc., can solve problems such as environmental pollution, and achieve the effect of reducing air pollution and pollution.

Active Publication Date: 2022-07-22
江苏省化工设计院有限公司
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Problems solved by technology

[0003] In order to alleviate the problem of environmental pollution caused by flue gas emissions during the high-temperature purification of fluoride salts, this application provides a high-temperature purification system for fluoride salts in anode carbon slag

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  • High-temperature purification system for fluoride salt in anode carbon slag
  • High-temperature purification system for fluoride salt in anode carbon slag
  • High-temperature purification system for fluoride salt in anode carbon slag

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Embodiment Construction

[0034] Attached to the following Figure 1-5 This application will be described in further detail.

[0035] The embodiments of the present application disclose a high-temperature purification system for fluoride salts in anode carbon residues. like figure 1 and figure 2 The high-temperature purification system for fluoride salts in anode carbon residue includes a pulverizer 1 for crushing anode carbon residue, a screening machine 11 for filtering the pulverized anode carbon residue, and a The electrolytic cell 12 where the fluoride salt is purified and the collecting drum 13 for collecting the fluoride salt. The discharge port of the pulverizer 1 is communicated with the feed port of the screener 11 , the discharge port of the screener 11 is communicated with the feed port of the electrolytic cell 12 , and the discharge port of the electrolytic cell 12 is communicated with the collecting cylinder 13 . One side of the electrolytic cell 12 is provided with a dust removal de...

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Abstract

The invention relates to a high-temperature purification system for fluoride salt in anode carbon slag, and relates to the technical field of anode carbon slag treatment.The high-temperature purification system comprises a pulverizer, a screening machine, an electrolytic bath and a collecting cylinder, a discharging port of the pulverizer is connected with a feeding port of the screening machine, a discharging port of the screening machine is connected with a feeding port of the electrolytic bath, and a discharging port of the electrolytic bath is connected with the collecting cylinder; a dust removal device for filtering dust discharged by the electrolytic cell is arranged on the electrolytic cell. The method has the effect of relieving the problem of environmental pollution caused by flue gas emission in the fluoride salt high-temperature purification process.

Description

technical field [0001] The present application relates to the field of anode carbon residue treatment technology, in particular to a high-temperature purification system for fluoride salts in anode carbon residue. Background technique [0002] In aluminum electrolytic smelting, the anode carbon residue in the aluminum electrolytic cell will produce a certain amount of carbon residue in the process of continuous consumption, and the content of fluoride salt in the anode carbon residue is relatively high. The fluoride salt is mainly used as a flux for aluminum electrolysis to reduce the melting point of alumina and improve the conductivity of the electrolyte, which is of great significance for aluminum electrolysis to reduce energy consumption, save costs, and increase profits. cause serious environmental pollution. Therefore, it is of great significance to purify and recover the fluoride salt in the anode carbon residue. At present, fluoride salts are purified at high tempe...

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Application Information

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IPC IPC(8): C01B9/08C25C3/06B08B5/04B08B13/00
CPCC01B9/08C25C3/06B08B5/04B08B13/00
Inventor 陈刚常先锋孙同甲黄鹏施以成刘希念
Owner 江苏省化工设计院有限公司
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