Conversion of injected waste plastics in blast furnace

被引：38

作者：

Babich, A. ^{[1
]}

Senk, D. ^{[1
]}

Knepper, M. ^{[2
]}

Benkert, S. ^{[3
]}

机构：

[1] Rhein Westfal TH Aachen, Dept Ferrous Met, D-52072 Aachen, Germany

[2] Huttenwerke Krupp Mannesmann GmbH, D-47259 Duisburg, Germany

[3] ArcelorMittal Eisenhuttenstadt, D-15890 Eisenhuttenstadt, Germany

来源：

IRONMAKING & STEELMAKING | 2016年 / 43卷 / 01期

关键词：

Blast furnace; Waste plastic injection; Coke reactivity; Reaction kinetics; Residues; Simulation conditions; COAL; FUEL;

D O I：

10.1179/1743281215Y.0000000042

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Operation of several blast furnaces proved that waste plastic (WP) injection makes recycling of industrial and municipal organic wastes and coke saving possible. However, the extent and reaction kinetics of plastic conversion are hardly explored yet. Therefore, a comprehensive study on WP characteristics and conversion behaviour under simulated raceway, bird's nest and shaft conditions, as well as on its interaction with coke, has been undertaken. Numerous analytical, laboratory and pilot facilities have been used. has shown that despite favourable chemistry, it is hardly possible to reach a high conversion degree of plastics under the raceway conditions. Consumption of unburned residues in coke bed and in shaft is possible. The effect of this phenomenon on coke reactivity has to be considered as well.

引用

页码：11 / 21

页数：11

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