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Steam-boil′er Feed′er.

An apparatus for supplying water to steam-boilers. See boiler-feeder; feed-pump, etc.

In McMurray's apparatus (Fig 5642), the exhaust steam entering through the pipe a is met by the feed-water, which is discharged in a spray from the perforated foot of the pipe b and is condensed, being received in the pan c, and thence overflowing successively into the pans c1 c2, gradually depositing its sediment until it reaches the bottom of the apparatus, the purified water being returned to the boiler by the pipe d. e is a diaphragm extending across the lower compartment of the apparatus from a point just below the line of highest water to a short distance below the pipe d, in order to prevent greasy impurities floating on the surface from entering this pipe. f is the sediment blow-off pipe, and g the pipe by which grease and scum are blown off; h is a gage for ascertaining the hight at which the water stands. The several chambers are each in a separate compartment, and are united by bolts i passing through lugs on the cover and bottom compartments, so as to be readily detachable for cleaning.

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McMurray (1)
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