Leadership

COST OF HANDLING WATER BY GAS ENGINE DRIVEN CENTRIFUCAL PUMPS

Issue 23 and Volume 61.

COST OF HANDLING WATER BY GAS ENGINE DRIVEN CENTRIFUCAL PUMPS The cost of pumping water is made up of two principal elements, viz., first, the fixed charges consisting of interest, repairs, maintenance and depreciation, and second, the cost of fuel. The fuel cost varies inversely as the duty of the engine, but on the other hand reciprocating engines showing the highest duties may also be the most costly, so that what is gained on fuel consumption may be lost in interest and depreciation charges. For example, a comparison of the 1,100 horse-power triple-expansion pumping engine at the Bissels Point Station, St. Louis, which, upon test, showed a duty of nearly 203,000,000 feet pound per 1,000 pounds of steam, with the 1,200 horsc-pow’er steam-turbine-driven pump at the Kirtland Station of the City of Cleveland, which showed a duty of slightly over 152,000,000 feet pound per 1,000 pounds of steam, developed the…

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