Durable Linings for the Tap Holes of Ore-Roasting Furnaces

Durable Linings for the Tap Holes of Ore-Roasting Furnaces The reasons for the short service life of the lining of the tap holes in ore-roasting furnaces at nickel and tin factories are analyzed. It is established that the main reasons are the large number of seams in the lining and the low resistance of the sintered periclase-chromite refractories to slag and abrasion.Work has been done to create a seamless design of tap hole made of a slag-resistant refractory. Blocks made of PShFB-grade refractories have been developed along with a fused periclase-chromite refractory (grade PKhPP) and a new high-temperature adhesive. Use of the seamless tap holes has increased the life of their lining by a factor of 2.0 – 2.5. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Durable Linings for the Tap Holes of Ore-Roasting Furnaces

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Springer Science+Business Media New York
Subject
Material Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/s11148-015-9772-x
Publisher site
See Article on Publisher Site

Abstract

The reasons for the short service life of the lining of the tap holes in ore-roasting furnaces at nickel and tin factories are analyzed. It is established that the main reasons are the large number of seams in the lining and the low resistance of the sintered periclase-chromite refractories to slag and abrasion.Work has been done to create a seamless design of tap hole made of a slag-resistant refractory. Blocks made of PShFB-grade refractories have been developed along with a fused periclase-chromite refractory (grade PKhPP) and a new high-temperature adhesive. Use of the seamless tap holes has increased the life of their lining by a factor of 2.0 – 2.5.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Jun 14, 2015

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