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Report of Investigations 8362: Centrifugal Casting of Refractory Concretes

Public Domain
File Language:
English


Details

  • Personal Author:
  • Corporate Authors:
    United States. Bureau of Mines
  • Description:
    As part of its program to conserve the nation's natural resources by developing improved performance materials, the Bureau of Mines, U.S. Department of the Interior, in cooperation with the U.S. Department of Energy, has conducted an investigation of materials of construction able to withstand the high temperature and hostile environments encountered in coal gasification units. Refractory pipe liners are required when extremely hot gases or abrasive solids are transported between processing units in the gasification plants. One promising technique for producing refractory pipe (or refractory pipe liners) is centrifugal casting. For this study, the effect of processing variables such as workability, additives, reinforcement and spinning time, and centrifugal force were evaluated using four commercial refractory concretes. In addition, data on characteristics such as strength, density, abrasion, and spalling resistance of 5-inch-diam refractory pipe were developed. Techniques for forming large-diameter (19-inch) refractory pipe also were evaluated. The test results indicated that all four refractory concretes could be made into strong, homogeneous pipe, but that optimum casting parameters had to be determined for each specific composition. The investigation revealed that the major controlling factor in the production of the centrifugally cast pipe was the workability of the refractory concrete. [Description provided by NIOSH]
  • Subjects:
  • Series:
    Mining Publications
  • Subseries:
    Report of Investigations
  • ISSN:
    1066-5552 (print)
  • Publisher:
    United States. Bureau of Mines
  • Document Type:
    Text
  • Genre:
    Case Report
  • Rights:
    Public Domain
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Division:
    TURC - Tuscaloosa Research Center
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Pages in Document:
    26 pdf pages
  • NIOSHTIC Number:
    nn:10007949
  • NTIS Accession Number:
    PB-299600
  • Citation:
    NTIS: PB 299 600 :18 pages
  • Federal Fiscal Year:
    1979
  • Peer Reviewed:
    False
  • Source Full Name:
    NTIS: PB 299 600
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:59f4ac04541faeaecf3f8725939e0950ce0771e3c465861095359d3a83931d08b0040027c815e1cffde5fbd61d1192164a6fe830aa839cddbe537be8fb5c2bb3
  • Download URL:
  • File Type:
    Filetype[PDF - 1.53 MB ]
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