. The Street railway journal . in turn raise thecoal to a height of 50 ft. above the boiler house floor level and two centrifugal pumps, used in connection with thewater supply and drainage water. STEAM-GENERATING PLANT AND ACCESSORIESThe boiler house contains ten Babcock & Wilcox double-drum water-tube boilers, the five boilers in each side baybeing arranged in two batteries of two, and one battery ofone boiler. Each boiler has a heating surface of 5764 sq. ft.,has a normal evaporative capacity of 19,200 lbs. of waterper hour at a pressure of 200 lbs. per square inch, and isequipped with a se


. The Street railway journal . in turn raise thecoal to a height of 50 ft. above the boiler house floor level and two centrifugal pumps, used in connection with thewater supply and drainage water. STEAM-GENERATING PLANT AND ACCESSORIESThe boiler house contains ten Babcock & Wilcox double-drum water-tube boilers, the five boilers in each side baybeing arranged in two batteries of two, and one battery ofone boiler. Each boiler has a heating surface of 5764 sq. ft.,has a normal evaporative capacity of 19,200 lbs. of waterper hour at a pressure of 200 lbs. per square inch, and isequipped with a self-contained super-heater, proportionedso that steam is delivered at a temperature of 550 degs. the boiler-stop valve. The boilers are fitted with me-chanical stokers of the B. & W. chain grate type. Eachstoker shaft can be driven from either end by a 15-bhp three-phase motor, a clutch being provided at each end for con-necting or disconnecting either motor. In the pump room there are four steam-driven feed pumps. GENERAL VIEW OF PARK ROYAL GENERATING STATION, FROM NORTH SIDE and feed it on to two bucket conveyors for transmission tothe boiler- house. The two bucket conveyors are carried bymeans of an overhead gantry as far as the east wall of theboiler house and pass up the inside of this wall and overthe steel coal bunkers. On their return the buckets passinto the basement of the boiler house, where ashes are fedinto them by means of two traveling fillers. The coal con-veyor and elevator plant are arranged in duplicate, and thenormal carrying capacity of each set is 50 tons of coal perhour, when also dealing with the ashes. Each bucket con-veyor is driven through worm-gear by a 10-hp motor,while the tray conveyor and bucket elevator correspondingto each bucket conveyor are driven through worm-gearingby a single 12-hp motor. These motors, supplied by theElectric Construction Company, of Wolverhampton, aredriven by three-phase current at 650 volts, and are of theE. C. C. p


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884