Production and Service of High-Alumina Castables. 2. Properties and Service of Vibration-Placed Castables Based on Bauxite-Modified Highly Concentrated Ceramic Binding Suspensions (HCBS) For Use in Blast-Furnace Runners

Production and Service of High-Alumina Castables. 2. Properties and Service of Vibration-Placed... The advantages of replacing of rammed castables by vibration-placed castables as the material for fabricating the lining of blast-furnace runners are considered. Batches of environmentally safe vibration-placed castables commercially available from Dinur JSC bauxite-based HCBSs, modified with finely disperse quartz glass, are used as the binder. The castables were tested at the Nizhny Tagil Metal-and-Steel Works. Endurance of the castable under operating conditions of the main runner is 140 thousand tons of iron (to first repair) and greater than 1 million tons (to overhall). The overall consumption rate of the castable is 0.25 – 0.35 kg/ton iron and 0.10 – 0.15 kg/ton iron (in routine repair conditions), which is substantially higher in comparison with the traditionally used rammed castables. At present, 80% of the total number of operating blast-furnace runners at the NTMSW have a lining made of vibration-placed castables. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Production and Service of High-Alumina Castables. 2. Properties and Service of Vibration-Placed Castables Based on Bauxite-Modified Highly Concentrated Ceramic Binding Suspensions (HCBS) For Use in Blast-Furnace Runners

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2001 by Plenum Publishing Corporation
Subject
Materials Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Materials
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1023/A:1012394601257
Publisher site
See Article on Publisher Site

Abstract

The advantages of replacing of rammed castables by vibration-placed castables as the material for fabricating the lining of blast-furnace runners are considered. Batches of environmentally safe vibration-placed castables commercially available from Dinur JSC bauxite-based HCBSs, modified with finely disperse quartz glass, are used as the binder. The castables were tested at the Nizhny Tagil Metal-and-Steel Works. Endurance of the castable under operating conditions of the main runner is 140 thousand tons of iron (to first repair) and greater than 1 million tons (to overhall). The overall consumption rate of the castable is 0.25 – 0.35 kg/ton iron and 0.10 – 0.15 kg/ton iron (in routine repair conditions), which is substantially higher in comparison with the traditionally used rammed castables. At present, 80% of the total number of operating blast-furnace runners at the NTMSW have a lining made of vibration-placed castables.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Oct 9, 2004

References

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