STUDY OF HEAT LOSSES IN A BLAST FURNACE WITH THE INJECTION OF PULVERIZED-COAL FUEL INTO THE HEARTH

被引：2

作者：

Andreev, V. I. ^{[1
]}

Pozdnyakov, A. V. ^{[1
]}

Kurbatov, Yu. L. ^{[2
]}

Mishin, I. V. ^{[2
]}

Pikalov, D. S. ^{[2
]}

机构：

[1] GIPROMEZ Co, Mariupol, Ukraine

[2] Donetsk Natl Tech Univ, Donetsk, Ukraine

来源：

METALLURGIST | 2015年 / 59卷 / 1-2期

关键词：

blast-furnace technology; pulverized-coal fuel; heat losses; radiation; convection;

D O I：

10.1007/s11015-015-0056-y

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Studies were made of the changes in heat loss that occur during the operation of a blast furnace with pulverized-coal fuel (PCF). It is shown that the use of PCF increases heat losses relative to the furnace's heating capacity. These losses increase from 1.15% without PCF use and an intact lining to 3.7% with maximal lining wear and the use of PCF at a rate of 187 kg/ton pig iron. Minus the chemical heat of the top gas, the heat losses incurred relative to the heating power of the furnace increase from 2.78 to 8.81%.

引用

页码：16 / 24

页数：9

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