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Slag type optimizing agent in copper smelting process and preparation method of slag type optimizing agent

An optimization agent, copper smelting technology, applied in the direction of improving process efficiency, etc., can solve the problem of no successful application cases for reference, so as to achieve good fluidity of slag, strong adsorption and inclusion capacity, and reduce treatment cost effect

Pending Publication Date: 2022-06-03
中铜东南铜业有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the domestic copper smelting industry has no successful application cases for the removal of As and Pb impurity elements in blister copper.

Method used

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  • Slag type optimizing agent in copper smelting process and preparation method of slag type optimizing agent
  • Slag type optimizing agent in copper smelting process and preparation method of slag type optimizing agent
  • Slag type optimizing agent in copper smelting process and preparation method of slag type optimizing agent

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

Embodiment 1

[0016] The obtained mixed raw material is a slag-type optimizer with a particle size of 0-5mm, which is bagged, sealed and stored in the warehouse for future use.

[0017] The slag type optimizer prepared in this example was used in copper pyrometallurgy, and the entrained removal content of impurity elements in the slag before and after the slag type optimization was compared, as shown in Table 1.

Embodiment 2

[0018] The obtained mixed raw material is a slag-type optimizer with a particle size of 0-5mm, which is bagged, sealed and stored in the warehouse for future use.

[0019] The slag type optimizer prepared in this example was used in copper pyrometallurgy, and the entrained removal content of impurity elements in the slag before and after the slag type optimization was compared, as shown in Table 2.

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Abstract

The invention discloses a slag type optimizing agent. The slag type optimizing agent comprises 25%-30% by weight of Al2O3, 20%-30% by weight of SiO2, 15%-20% by weight of Fe powder, 15%-20% by weight of lime and 5%-10% by weight of Na2CO3. The invention further provides a preparation method of the slag modifier. The slag type optimizer provided by the invention has the advantages of low melting point, high melting speed, good slag flowability, strong adsorption and inclusion capacity and the like, so that the slag type optimizer has good effects of regulating slag and improving the adsorption, entrainment and removal of impurity elements such as As, Pb and the like as the slag type optimizer, the output of dangerous waste slag in the copper smelting process is reduced, and the production cost is reduced. Environmental pollution caused by poor stacking of the dangerous waste residues is avoided, and meanwhile, the treatment cost of the dangerous waste residues is reduced. And moreover, the slag modifier is convenient to use, the labor intensity of workers is not increased, and the impurity element removal capacity in the copper smelting process is improved, so that the production cost is reduced.

Description

technical field [0001] The invention relates to a slag type optimizer in a copper smelting process and a preparation method, and belongs to the technical field of copper smelting pyrometallurgy. Background technique [0002] In the past, because enterprises used high-quality copper ore raw materials for copper smelting production, there was usually no problem of excessive As and Pb content, and these impurities could be removed in the electrolytic refining section. With the rapid development of my country's copper smelting industry, high-grade and low-impurity copper concentrates are increasingly scarce. Most of my country's copper ore resources are lean ores and associated ores with low grades. In recent years, with the increasingly complex composition of copper raw materials, the content of As, Pb and other impurities has been increasing day by day, and conventional operations have been unable to ensure product quality. Copper smelting enterprises are faced with the commo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B9/10C22B15/00
CPCC22B9/10C22B15/006Y02P10/20
Inventor 杨美彦代红坤杨堃陈鑫田林阮茂光彭学斌杨振李良斌阎华龙杨焱徐正国许书涵杨博文郑智炜林志强刘颂夏跃彪史伟昌刘富全
Owner 中铜东南铜业有限公司
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