Monthly Bulletin of the American Iron and Steel Institute Volume 5

Monthly Bulletin of the American Iron and Steel Institute Volume 5

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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. 1917 edition. Excerpt: make more steam. The improvement in the boiler room during the thirteen years is less spectacular but quite as useful as the improvement in the steam turbine. Unfortunately it is less known. I confirm Mr. Rice's statement that sustained boiler house efficiencies of 81 to 82 per cent are possible, economizers being used. My justification for this statement is that we have year after year a boiler house efficiency of 76 per cent, all losses by banked fires included, etc., and made without economizers. I arrange the conditions of power house design for economy, in order of importance, as follows: 1. Design your furnace and the gas passages of your boiler for the exact fuel you are going to use, or for an intelligent compromise among the different fuels which you may be compelled to use at one time or another. 2. Design the condenser system so as to utilize the full possibilities of high expansion which characterize the steam turbine, but without over cooling the condensate. 3. Buy a good steam turbine--remembering that it is possible to refine turbine design, in reaching for thermal efficiency, beyond the point of mechanical reliability. 4. Make your heat transfer as nearly as possible a closed cycle. This requires that you consider condensate temperature, make-up water, auxiliary power, station uses of energy, furnace draft and economizers, as one all together problem, and not as several separate problems to be left separately to the purchasing agent or to the "catalogue engineer." Robert P. Lamont President, American Steel Foundries, Chicago, 111. Every ton of steel produced by present methods may properly be called cast steel, but only a comparatively small percentage of this steel in its final form may be correctly described or...
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Product details

  • Paperback | 54 pages
  • 189 x 246 x 3mm | 113g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236552776
  • 9781236552778