Fuel reduction agent applied in metallurgy pyrometallurgical process

A technology of pyrometallurgy and reducing agent, which is applied in fuel, liquid carbon-containing fuel, petroleum industry, etc., can solve the problem of low calorific value of biodiesel, and achieve the effects of high flash point, excellent combustion performance, and good combustion and anti-riot performance

Inactive Publication Date: 2015-02-04
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the slightly lower calorific value of biodiesel, it should be mixed with diesel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The Isa furnace in the copper smelting workshop of a smelter uses diesel oil as fuel for oxygen-enriched top blowing to balance the temperature fluctuations in the smelting process, which will produce a large amount of sulfur dioxide, sulfide and toxic organic substances. It is mixed with bio-fuel at a volume ratio of 2:8 as a fuel to replace diesel for oxygen-enriched top blowing. The bio-fuel is animal oil. Under the premise of not affecting the smelting effect, the emission of sulfur dioxide and sulfide can be reduced by about 30%, which is toxic. The emission of organic matter is reduced by about 60%, the emission of particulate matter is reduced by about 40%, the emission of carbon dioxide and carbon monoxide is reduced by about 50%, and diesel oil is saved by 80%, achieving the goal of energy saving and emission reduction.

Embodiment 2

[0015] The depletion furnace in the copper smelting workshop of a smelter uses diesel oil as a reducing agent. During the production process, diesel oil is sprayed into the slag layer by submerged top blowing. The diesel carbonizes and reduces the magnetic iron in the slag layer, and at the same time produces a large amount Sulfur dioxide, sulfides, and toxic organic compounds are replaced by diesel and biofuel at a volume ratio of 1:9 as a reductant instead of diesel for top blowing. The biofuel is vegetable oil, which is discharged without affecting the reduction effect. Sulfur dioxide and sulfide emissions can be reduced by about 30%, toxic organic emissions by about 20%, particulate matter emissions by about 20%, carbon dioxide and carbon monoxide emissions by about 10%, and diesel fuel can be saved by 90%, achieving the goal of energy saving and emission reduction.

Embodiment 3

[0017] The HIsmelt furnace in the iron workshop of a smelter uses coal as the reducing agent. During the production process, the pulverized coal is sprayed into the molten pool by side blowing. The pulverized coal reduces FeO and produces mixed gas. The volume ratio is 1:9, which is used as a reducing agent instead of pulverized coal for top blowing. On the premise of not affecting the reduction effect, a large amount of coal is saved, and the purpose of energy saving and emission reduction is achieved.

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PUM

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Abstract

The invention relates to a fuel reduction agent applied in a metallurgy pyrometallurgical process, and belongs to the technical field of metallurgical technology. The fuel reduction agent is a mixed fuel oil of biological fuel oil and diesel oil, the volume ratio of the biological fuel oil to the diesel oil is 9:1-1:9, and the biological fuel oil is animal oil or plant oil and has the composition of mixed fatty acid methyl ester. The fuel reduction agent applied in the metallurgy pyrometallurgical process can greatly reduce flue gas and emissions of the flue gas and other pollutants in a use process, can save 10%-90% of the diesel oil, plays the effects of energy saving and emission reduction, and provides a feasible optimal type technical scheme for promoting energy saving and emission reduction of nonferrous metal smelting industries.

Description

technical field [0001] The invention relates to a fuel reducing agent used in metallurgical pyrometallurgy, belonging to the technical field of metallurgy. Background technique [0002] With the development of the world economy and the improvement of human living standards, the demand for fuels is increasing day by day, and the traditional fossil fuels are becoming increasingly scarce. The development and utilization of fossil fuel substitutes has become a research hotspot. Among them, biofuel is an excellent substitute. It uses renewable animal and vegetable oils as raw materials, and the emission of toxic organic matter after combustion is only 10% of that of petrochemical diesel. The generated gas will not pollute the environment, and has important practical significance for protecting the ecological environment. However, due to the slightly lower calorific value of biodiesel, it should be mixed with diesel. Contents of the invention [0003] Aiming at the problems an...

Claims

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Application Information

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IPC IPC(8): C10L1/02C10L1/04C22B5/02
Inventor 王华刘泛函王仕博
Owner KUNMING UNIV OF SCI & TECH
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