Method for producing white matte by mixed smelting of copper refining slags-pyrite-bornite tailings

A technology for bornite tailings and copper refining slag is applied in the field of producing white matte copper by mixed smelting of copper refining slag, pyrite and bornite tailings, and can solve the problem of not obtaining widespread promotion and production technology. The problems of high smoke and dust rate and high amount of white matte slag returned can shorten the production cycle, save facility investment and increase labor intensity.

Active Publication Date: 2014-12-24
JIYUAN XINXIN INDAL +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are certain defects in the above method: the amount of slag returned to the white matte is relatively high, the smoke and dust rate of some production processes is relatively high, and the equipment is relatively complicated
There are a few foreign companies trying to process low-grade copper ore, such as Kaiser Smelter in Germany, Comac Plant in the United States, South Aston Plant, etc., but due to large investment, high energy consumption, intermittent operation, Due to the disadvantages of frequent operation, short life of smelting furnace and high copper content in slag, these treatment technologies have not been widely promoted so far.

Method used

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  • Method for producing white matte by mixed smelting of copper refining slags-pyrite-bornite tailings

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Effect test

Embodiment 1

[0031] A method of producing white matte by using copper refining slag-pyrite-bornite tailings mixed smelting of the present invention, the components of the copper refining slag, pyrite and bornite tailings used are as follows, The contents all represent the mass fraction of the element:

[0032] The composition of copper refining slag is:

[0033]

[0034] The composition of pyrite (the main function of pyrite is to provide FeS) is:

[0035] the element

Fe

S

Cu

other

Content%

40.11

52.37

0.55

6.97

[0036] The composition of bornite tailings is:

[0037] the element

Cu

other

Content%

8.47

91.53

[0038] The composition of anthracite is:

[0039] Element

fixed carbon

Volatile matter

Ash

total

Content%

72.33

11.78

15.89

100

[0040] According to the mass ratio of copper content of copper refining slag, copper content of p...

Embodiment 2

[0043] A method for producing white matte by using copper refining slag-pyrite-bornite tailings mixed smelting of the present invention, the components of the copper refining slag, pyrite and bornite tailings used are as follows:

[0044] The composition of copper refining slag is:

[0045]

[0046] The composition of pyrite (the main function of pyrite is to provide FeS) is:

[0047] the element

Fe

S

Cu

other

Content%

44.11

53.31

0.45

2.13

[0048] The composition of bornite tailings is:

[0049] the element

Cu

other

Content%

14.23

85.77

[0050] The composition of anthracite is:

[0051] Element

fixed carbon

Volatile matter

Ash

total

Content%

72.33

11.78

15.89

100

[0052] According to the mass ratio of copper content of copper refining slag, copper content of pyrite, copper content of bornite tailings is 1:0.006:0.086, ...

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Abstract

The invention discloses a method for producing white matte by mixed smelting of copper refining slags-pyrite-bornite tailings. The method comprises the following steps of: preparing materials according to the mass ratio of the copper contents of the copper refining slags, the pyrite and the bornite tailings being 1:(0.006 to 0.01):(0.02 to 0.09), adding the copper refining slags, the pyrite and the bornite tailings to a smelting furnace, adding anthracite which accounts for 5% to 19% total mass of the copper refining slags, the pyrite and the bornite tailings to the smelting furnace, and smelting in oxygen-enriched air to generate the white matte. The method for producing the white matte by the mixed smelting of the copper refining slags-pyrite-bornite tailings is small-scale in investment, low in energy consumption, continuous in operation and capable of recycling copper resources.

Description

technical field [0001] The invention belongs to the technical field of heavy non-ferrous metallurgy, and relates to a method of using low-grade copper ore to smelt white matte, in particular to a method of using copper refining slag-pyrite-bornite tailings for mixed melting to produce white matte method. Background technique [0002] The metal copper smelting technology has a history of thousands of years. Today, copper has become the third largest metal necessity in today's industry after steel and aluminum. In the modern copper smelting process technology, affected by factors such as economic indicators, technical indicators, and environmental indicators, copper smelting enterprises must consider maximizing output with the least production cost on the one hand, and strive to protect the environment on the other hand. Zero pollution. Therefore, it puts forward new requirements for the copper smelting process. [0003] In the copper smelting process, the production of whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B7/04C22B15/00
CPCY02P10/20
Inventor 王富源张虎姚小龙李立清张晓峰曹佐英肖克
Owner JIYUAN XINXIN INDAL
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