Proceedings of the Engineers' Society of Western Pennsylvania Volume 22

Proceedings of the Engineers' Society of Western Pennsylvania Volume 22

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 edition. Excerpt: ...1906 No. 7 THIS SOCIETY DOE8 NOT HOLD ITSELF RESPONSIBLE FOR THE OPINIONS OF ITS MEMBERS. COKE OVEN CONSTRUCTION. W. M. JUDD. Member. In the limited time available this evening, it is possible only to give a brief description of coke oven construction as carried on at the present time, further limiting this description to the common or "bee-hive" type of oven. As the necessity for using coke obtained from bituminous coal was forced upon the iron manufacturers by the disappearance of the forests from which their supply of charcoal was obtained, it was natural that the method of its manufacture should have been evolved from the methods previously used in making charcoal. Thus probably the first coke in any quantity was burned from coal piled in heaps on level ground, with suitable flues through the piles built of lumps of coal, refuse coke and slabs of wood for igniting the coal and regulating the supply of air, the whole banked with earth. I have seen a fair quality of coke produced in this way not more than six years ago. Meeting of Structural Section, September 2," l'.iOli. t W. G. Wilkins Co., Westiiighpuse Building, Pittsburgh, Pa. A small separate kiln built entirely of brick was the next step in advance, and from these seperate kilns, by the grouping of the kilns in single or double lines, covering the brick work with earth to retain the heat and building masonry retaining walls for the support of this earth covering, the beehive oven as it is built to-day was evolved, and in its essential features has changed very little in construction from its earlier forms. The process of coking coal consists briefly in driving off by heat the gaseous constituents of the coal leaving the fixed carbon and ash. As this process more

Product details

  • Paperback | 184 pages
  • 189 x 246 x 10mm | 340g
  • United States
  • English
  • black & white illustrations
  • 1236769171
  • 9781236769176