File:Transactions (1871) (14596465939).jpg

Identifier: transactionsmining63amer (find matches)
Title: Transactions
Year: 1871 (1870s)
Authors: American Institute of Mining, Metallurgical, and Petroleum Engineers
Subjects: Mineral industries
Publisher: New York (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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Text Appearing Before Image:
880 GAS-PRODUCER PRACTICE AT WESTERN ZINC PLANTS
Text Appearing After Image:
G. S. BROOKS AND C. C. NITCHIE 881 Wet-bottom Mechanical Producer Chapman.—The construction of the Chapman producer is shown inFig. 22. The two-speed shell gives a twisting to the fuel bed, while thestationary tuyere at the bottom functions also as a crusher of clinkers.These are subsequently raised by plows from the water scow with plowsattached to the revolving shell. A magazine feed at the top serves alsoas a fuel-bed leveler, which latter operation is aided in some cases bya slicing loop hanging from the producer top into the fire bed. Theseproducers are used at both Depue and E. St. Louis, and four havebeen installed at Peru. The maintenance of these machines is the onlyimportant point not yet fully determined. Should the abrasion inci-dent to keeping a fuel bed open include both the central hood or sideplates instead of an easily replaced poker, there will be some question asto its fitness under long service on western coals. The chief difference in the handhng of this produce

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