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Full text of "The Flow Of Gases In Furnaces"

CONTINUOUS HEATING  FURNACES

139

hottest portion of the chamber where complete combustion can
take place before the gases cool below their ignition temperature.

FIG. 116.

The hot gases drop down toward the ingots or billets and lose
their heat by coming in contact with them, and the colder gases
then descend fur-
ther to the lower
level from which
they flow to the
chimney port.

Compare this
type of construc-
tion with the
working system
of many contin-
uous heating fur-
naces of widely
known and used
designs. Fig. 116
is a photographic
demonstration of
the circulation of
the hot gases (colored kerosene) in a Morgan continuous heat-
ing furnace. Fig. 117 is a similar demonstration of the pocket

FIG. 117.