The Manufacture of Sulphuric Acid in the United States Volume 178-184

The Manufacture of Sulphuric Acid in the United States Volume 178-184

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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. 1920 edition. Excerpt: ...dioxide and about 9 per cent oxygen, the rest being nitrogen and water vapor; the gases from a brimstone burner will usually have a sulphur dioxide content of 8.0 to 8,5 per cent. Such a gas mixture will contain sufficient oxygen to oxidize the sulphur dioxide to sulphur trioxide and also provide the necessary excess of 5 per cent oxygen for satisfactorily working the chambers. CHAMBEB CONSTRUCTION. As in the last 10 years several construction companies in this country have made a specialty of chamber-plant construction and have developed special types suitable for different conditions and localities, it is not necessary in a paper of this character to discuss the construction of the chambers beyond outlining briefly some of the fundamental principles that underlie all chamber construction. Chambers should always be placed at some elevation above ground level so that the bottoms are accessible for cooling and for observation to ascertain whether the chambers are tight. The chambers must therefore be supported by pillars, usually of brick or cast iron, ' or, in small plants, of wood. The framework supporting and surrounding the lead walls of the chambers should be rigid. Most of the old chambers have a wooden supporting framework of vertical studding crowned with a "wall plate rounded on the upper inside edge and beveled away outward below the round. The lead side curtains bend out over the round, are nailed down to the plate, and strapped to the vertical studding by lead straps. Seams are generally run vertically. Horizontal joints are made so that the upper sheet overlaps the lower on the inside, thus preventing leakage. The bottom sheets are laid across the chamber bottom and turn up inside and over a rim of side boarding 18 more

Product details

  • Paperback | 84 pages
  • 189 x 246 x 4mm | 168g
  • United States
  • English
  • black & white illustrations
  • 1236981413
  • 9781236981417