Smoke Prevention and Fuel Economy; (Based on the German Work of E. Schmatolla)

Smoke Prevention and Fuel Economy; (Based on the German Work of E. Schmatolla)

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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. 1904 edition. Excerpt: ... under a water-tube boiler, from which the gases rise vertically between the cold tubes, will quickly be shown to possess very little radiant light capable of passing through blue gas. It appears probable that smokeless combustion cannot be secured unless the combustion is taking place at a temperature producing light rays, which penetrate the blue glass. This penetrative power is an indication of the actinic power, and a proof of intense action. The process of combustion can very well be watched in this way; and the glass enables one to see the dun coloured unburned gases as they travel in dark streaks towards the zone of perfect combustion, where they gradually disappear, becoming perfectly burned. THE ESTIMATION OF SMOKE. Engineers will often find it necessary to estimate The other numbers consist of ruled black lines at right angles as follows--No. I. Black lines 1 mm. thick, spaces 9 mm. wide. or in the same proportions. The cards thus consist of a number of white squares divided by black lines. Placed 50 feet from the eye they take on the appearance of uniform colourj according to their naming. Such a card hung in the light in a line with the chimney top, enables the smoke density to be estimated very closely. The cards ought to be at least eight inches square. Fig. 30 shows four of these charts reduced in size. B. Draught And Temperature. These measurements should be carried out at an observation-hole, placed in the top or side wall of the branch-exit flue of each boiler or furnace, at that point where it joins the main-flue to the chimney. There is usually a damper at this point, and the observation-hole should be about 24 inches, on the furnace or boiler side of it. It saves much trouble if such holes are left in the brickwork...show more

Product details

  • Paperback
  • 189 x 246 x 2mm | 82g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236962397
  • 9781236962393