| Show ELECTRIC PUMPING installation westinghouse equipment being installed by a montana copper co an interesting electric pumping installation is being made by the anaconda copper company in its mines at anaconda montana the pump which is illustrated herewith is a aldrich vertical quintuplet type made by tile the allentown rolling mills allentown pa and is designed to deliver gallons of water per minute against a head of 1100 feet this pump is to be driven by a westinghouse in type alternating current motor metor of horse power capacity at r 11 in the duty calls for heavy substantial construction st and acid resisting material was re 40 quiren to be used in making the throat and plungers and other parts of the water end on account of the bad condition of the mine water which is to be handled the use of five plungers operating t from one crank shaft having connecting 9 rods placed seventy two degrees apart gives a uniform velocity of water in the pipes thus adding greatly to the efficiency of the outfit the plungers are single acting and outside packed it is claimed that owing to tile the large size of the throats and valves and the comparatively low water velocity through all the orifices a high efficiency is obtained this type of pump is becoming very popular in the montana copper country by reason of its reliability and high efficiency both of which are particularly important in mining 1 operations especially where power is pur chased from transmission lines |
