A Manual of the Alkali Trade Including the Manufacture of Sulphuric Acid, Sulphate of Soda, and Bleaching Powder; With Two Hundred and Thirty-Two Illustrations and Working Drawings

A Manual of the Alkali Trade Including the Manufacture of Sulphuric Acid, Sulphate of Soda, and Bleaching Powder; With Two Hundred and Thirty-Two Illustrations and Working Drawings

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1880 edition. Excerpt: ...173 in the drawing that small cranes are attached to the heavy pan doors. Another, and more usual, form of cylinder is shown in Fig. 142, separated from its surroundings. The barrel shape given to the cylinder shell itself, as in Fig. 141, is, however, the better form of construction, inasmuch as it secures a more perfect admixture of the contents. The command of a perfect draught is essential in the case of revolving furnaces. At the most only two furnaces should lead into one stalk, and no flue from any other description of furnace should enter the same chimney. The adoption of an overhead charging system is imperative, and must be of very substantial description. The charging wagons for an ordinary furnace are about 5 ft. x 4 ft. x 4 ft. 6 in. The detailed cost of a complete revolver is about as follows: --Concrete foundation....... XJ100 Furnace, engine, and fittings 2,000 Boiling-down pan........ 300 Drainer and fittings 200 Mason work 200 Bogies and charging wagons...... ISO '2,950 The further cost of roof, overhead tramway, and elevators, varies, of course, with the arrangement of the works. The only apparatus in the balling department that remains to be noticed is the chalk crusher. The importance of reducing the limestone, or chalk, to something like fine proportions, has been already pointed out. Two species of mill are commonly used--vertical stones and fluted rollers. For limestone the latter apparatus is the best, as the material is fairly dry and requires rather cracking than crushing. For chalk, however, the heavy vertical stones are infinitely to be preferred. They get through more work than the fluted rollers, and are not liable to be choked by wet chalk, or damaged by flints. A peculiar arrangement of scrapers keeps the...show more

Product details

  • Paperback | 100 pages
  • 189 x 246 x 5mm | 195g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236504038
  • 9781236504036