. The Street railway journal . ^ for the remaining of fifty feet. valves leading to the economizers. The discharge fromthe economizers is arranged in the same way. This makesit possible for an attendant to manipulate the valves andmake the changes quickly in of accident, or shouldthe temperature of the feedwater in the economizerschange, a connnon occurence. The system is also , allowing the i)umps to be cut in direct with theboilers should occasion require. Provision is made for theuse of injectors to be operated instead of the pumps forboiler supply, thu
. The Street railway journal . ^ for the remaining of fifty feet. valves leading to the economizers. The discharge fromthe economizers is arranged in the same way. This makesit possible for an attendant to manipulate the valves andmake the changes quickly in of accident, or shouldthe temperature of the feedwater in the economizerschange, a connnon occurence. The system is also , allowing the i)umps to be cut in direct with theboilers should occasion require. Provision is made for theuse of injectors to be operated instead of the pumps forboiler supply, thus the possibility of not beingable to supply the boilers at all times and under all FIG. 3.—PLAN OF POWER STATION, SHOWING PIPING—NEWARK. PIPING. At present most of the feedwater used in the boilersis taken from the city supply and is metered to the low tide or for a period of twelve hours out of thetwenty-four the water of the Passaic River is fresh and itis the intention of the company to use it as boiler water will be pumped at low tide into a largetank, holding a twelve hour supply, under the boiler the water to be used is dirty and filled with foreign sub-stances, a set of filters intercepts the source of supply, and allforeign matter is precipitated before the supply reaches thesuction tank of the boiler feed pumps. The suction tank isopen, allowing a frequent test and examination of the waterduring the change of tide, as the water will be pumpeddirect to this tank during the time the supply or reserve isbeing filled. The water from the boiler feed pumps is a manifold and is governed there at will by independe
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
