Lead Smelting and Refining, With Some Notes on Lead Mining
Science
Lead Smelting and Refining, With Some Notes on Lead Mining
Lead -- Metallurgy; Lead mines and mining
It is provided with a traveling
crane, and no expense has been spared to make this, as all other
parts of the plant, complete in every respect. The main conductors
from the generators pass out through a tunnel into a brick and steel
lightning-arrester house, from which point the various distributing
lines go to different parts of the plant.
_Blast Furnaces._—There are seven large lead furnaces, each having a
capacity of 200 to 250 tons of charge per day, and three large copper
furnaces, each having a capacity of 250 to 300 tons per day. All of
the furnaces are enclosed in one steel fireproof building, the lead
furnaces being at one end and the copper furnaces at the other. Each
of the furnaces has its independent flue system and stack. An entirely
new system of feeding these furnaces has been devised, consisting of
a 6 ton charge car operated by means of a street railroad motor and
controller with third-rail system. The charge cars collect their charge
at the ore beds, lime-rock and coke storage, and are run on to 15 ton
hydraulic elevators. They are then elevated 38 ft. to the top of the
furnaces, traveling over them to the charging doors, through which the
loads are dumped directly into the furnaces. This system permits of two
men handling about 1000 tons per day. The same system and cars are used
for charging the copper furnaces, except that, as these furnaces are
much lower than the lead furnaces, the charge is dropped into a large
hopper, from which it is fed to the copper furnaces by a man on the
copper furnace feed-floor level.
NEW PLANT OF THE AMERICAN SMELTING AND REFINING COMPANY AT MURRAY, UTAH
BY WALTER RENTON INGALLS
(June 28, 1902)
Murray is a few miles south of Salt Lake City, with which it is
connected by a trolley line. The new works are situated within a few
hundred yards of the terminus of the latter and in close juxtaposition
to the old Germania plant, which is the only one of the Salt Lake
lead-smelting works in operation at present. The new plant is of
special interest inasmuch as it is the latest construction for
silver-lead smelting in the United States, and may be considered as
embodying the best experience in that industry, the designers having
had access to the results attained at almost all of the previous
installations. It will be perceived, however, that there has been no
radical departure in the methods, and the novelties are rather in
details than in the general scheme.
Public-domain text, read in full here on John Shaqi.
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