Conference Proceedings
The AusIMM Proceedings 1963
Conference Proceedings
The AusIMM Proceedings 1963
Pilot Scale Carbonization of Wallarah Coal Using the Parry Process
A pilot plant was constructed for the low temperature carbonization of Wallarah (N.S.W.) coal at the rate of 300 lb/hr. The design was based on an entrained state carbonizer developed by Parry and D.S. Bureau of Mines co-workers. Prior to delivery to the client, the plant was successfully operated over periods of several days duration.INTRODUCTIONIn September 1961, the Australian Mineral Development Laboratories (A.M.D.L.) was engaged by the Broken Hill Pty. Co. Ltd. (B.H.P.) to design, construct and test an entrained state coal carbonizer with a capacity of 300 lb/hr of Wallarah (N.S.W.) coal. Char product was required within the specification 155 -I- 1 per cent volatile matter. The design was to be based on a pilot plant developed by Parry and others in the D.S. Bureau of Mines Coal Research Laboratory at Denver, D.S.A. The method involved the carbonization of fine coal by entrainment with air in an externally heated reactor. The heat required for the carbonization of the coal was to be supplied to the bed both through the reactor walls, and also by internal combustion of products in the bed. Several D.S. Bureau of Mines Reports of Investigations weFe used as the main guide to the physical layout and proportions of the plant. However, the individual units required detailed designing, before engineering drawings could be prepared and fabrication begun.A 10 ton sample of crushed Wallarah coal was used for preliminary testing of the plant. The first test run on the pilot plant was carried out in February, 1962. After some modification a second test of longer duration was conducted in August, 1962. These operations aimed at running in the plant and also at determining the operating temperature to produce specification char and the maximum capacity of the...
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A W Nordin
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- Published: 1962
- PDF Size: 1.566 Mb.
- Unique ID: P_PROC1963_1002