Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 583
Fig. 446. 524 MECHANICAL ENGINEERING OF POWER PLANTS, wrought-iron grate-bars are used through which the feed-water or the water from the boiler is caused to circulate.This is to keep them from reaching the temperature of soften- w-m- … ing, and adds to the heating-surface of the boiler. The diffi-culties from the expansion of such water-grates make themtroublesome to join to the ends, but they have formed a satis-factory solution for many problems, and are a necessity in BOILER-SE TTING. 525 what is called the down-draft furnace,…
Mechanical engineering · Steam power plants
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