Science for beginners . Fig. 67.—Another form of air blast. 95. How Some Stoves and Furnaces are Constructed toPrevent Smoke.—A common device is the hot blast this stove the air for the oxygen supply is admitted fromabove instead of from beneath the grate as in most the top-draft arrangement, the volatile matter has a betterchance to meet oxygen and hence its complete combustionis more -readily accomplished (Figs. 66 and 67). In some furnaces the coal is first thrown into a cokingchamber which is heated by the fire in the fire pot. Here slow SMOKE; ITS CAUSE AND PREVENTION 9
Science for beginners . Fig. 67.—Another form of air blast. 95. How Some Stoves and Furnaces are Constructed toPrevent Smoke.—A common device is the hot blast this stove the air for the oxygen supply is admitted fromabove instead of from beneath the grate as in most the top-draft arrangement, the volatile matter has a betterchance to meet oxygen and hence its complete combustionis more -readily accomplished (Figs. 66 and 67). In some furnaces the coal is first thrown into a cokingchamber which is heated by the fire in the fire pot. Here slow SMOKE; ITS CAUSE AND PREVENTION 91. Fig. 68.—A furnace with a coking chamber.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscience, bookyear1921
