Abstract
A REPRINT of articles on the performance of colliery steam boiler-plants and the saving to be obtained by their reorganisation, which appeared in Engineering for July 25 and August 1 last, has been sent us by the author, Mr. D. Brownlie. The discussion in the articles is based upon results of tests carried out by the author, and a valuable feature is a large table giving details of these results for loo boiler plants, chiefly of. the Lancashire type. Mr. Brownlie's figures indicate that the average net working efficiency of colliery steam-boiler plants is only about 55.5 per cent. By carrying out a reorganisation of such plants on modern scientific lines it is possible to obtain 70 per cent, efficiency, and Mr. Brownlie estimates that about 6,600,000 tons of coal per annum could be saved by the adoption ot scientific methods and by more extensive use of refuse coal.
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Colliery Boiler-Plants . Nature 104, 120–121 (1919). https://doi.org/10.1038/104120b0
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DOI: https://doi.org/10.1038/104120b0