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High-pressure injection of air into a peirce-smith copper converter

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An Erratum to this article was published on 01 August 1984

Abstract

Plant trials have been conducted at the Tacoma Smelter of ASARCO to assess the effect on tuyere blockage and refractory erosion at the tuyere line, of increasing the injection pressure of air into a Peirce-Smith converter. Four tuyeres each having an ID of 19.1 mm (0.75 inch) were installed toward one end of the tuyere line of the No. 4 converter. Air and oxygen-enriched air were injected at 414 kPag (60 psig) through these tuyeres and at the usual 83 kPag (12 psig) through the remainder of the tuyeres in an otherwise normal converter campaign. The test campaign consisted of 88 charges and lasted for 89 days. During this period, punching of the high-pressure tuyeres was found to be unnecessary; and when, as a precaution, the tuyeres were cleaned by hand at the end of a charge, they were always open. Also, it was observed that the flow of high-pressure air remained constant. Accretion formation around the tip of the high-pressure tuyeres varied from charge to charge and was influenced by the matte grade and the level of oxygen enrichment.

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Authors and Affiliations

  1. Department of Metallurgical Engineering, The University of British Columbia, V6T 1W5, Vancouver, B.C., Canada

    J. K. Brimacombe (Stelco Professor of Process Metallurgy)

  2. ASARCO, Inc., Tacoma Smelter, P.O. Box 1677, 98401, Tacoma, WA

    S. E. Meredith (Converter Superintendent)

  3. Canadian Liquid Air, Ltd., 1155 Sherbrooke Street West, P. Q. H3A 1H8, Montreal, Canada

    R. G. H. Lee (Director of Research)

Authors
  1. J. K. Brimacombe
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  2. S. E. Meredith
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  3. R. G. H. Lee
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Additional information

An erratum to this article is available at http://dx.doi.org/10.1007/BF03338541.

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Brimacombe, J.K., Meredith, S.E. & Lee, R.G.H. High-pressure injection of air into a peirce-smith copper converter. Metall Trans B 15, 243–250 (1984). https://doi.org/10.1007/BF02667327

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  • DOI: https://doi.org/10.1007/BF02667327

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