Preparation method for recovering refining agent with impure red copper

A refining agent and a technology of red miscellaneous copper, which is applied in the field of preparation of red miscellaneous copper recovery refining agent, can solve the problems of limited promotion and utilization value, high price of rare earth metals, and unsatisfactory impurity removal effect, so as to achieve low manufacturing and use costs and increase Good electrical conductivity and low cost

CN104232969AInactive Publication Date: 2014-12-24江苏鑫成铜业有限公司
3 Cites 3 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2014-12-24
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
Patent Text Reader

Abstract

The invention discloses a preparation method for recovering a refining agent with impure red copper. The preparation method comprises the following steps: mixing sodium borate, calcium fluoride, sodium carbonate and rhenium powder according to percentage by weight that Na2B4O7 is 10-25%, CaF2 is 15-30%, Na2CO3 is 40-65%, and La is 1-3%, smelting the mixture at a high temperature, cooling and crushing the smelted mixture to obtain the refining agent. The refining agent prepared by the method disclosed by the invention is low in cost and use cost, and has the obvious functions of deoxidization, degassing and removal of impurities, so as to effectively purify copper liquid and increase the conductivity of the regenerated red copper.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the technical field of red miscellaneous copper recovery and refining, in particular to a preparation method of a red miscellaneous copper recovery and refining agent. Background technique

[0002] Red copper refers to copper alloys with copper content greater than 96% and above. At present, the method of recycling red copper to prepare pure copper is mainly to cast red copper into anode copper through fire treatment, and then electrolytically refine it into electrolytic copper. Through electrolytic purification, it is bound to consume a large amount of energy. Compared with the method of electrolytic purification and reproducing products by ore smelting, the direct use of red copper to produce pure copper alloy products will save energy by more than 80%, which is about 80% more energy-saving than the method of electrolytic purification and reproducing products. 50%, and the electrolysis process is serious to environmental pol...

Examples

Embodiment 1

[0017] Sodium borate 50g, calcium fluoride 30g, sodium carbonate 114g and rhenium powder 6g are mixed and then put into a stainless steel container, melted at a temperature of 1000°C for 30 minutes, cooled and crushed to prepare red copper recovery refining agent Preparation.

Embodiment 2

[0019] Put 36g of sodium borate, 60g of calcium fluoride, 102g of sodium carbonate and 2g of rhenium powder into a stainless steel container after being mixed, melt for 30 minutes at a temperature of 950°C, and break after cooling to prepare red copper recovery refining agent Preparation.

Embodiment 3

[0021] Put 20g of sodium borate, 50g of calcium fluoride, 126g of sodium carbonate and 4g of rhenium powder into a stainless steel container after being mixed, melt for 30 minutes at a temperature of 1050° C., and break after cooling to prepare red copper recovery refining agent Preparation.