. Electric railway review . n. The water is pumped intoan elevated tank of 650 barrels capacity and allowed to runby gravity into a Cookson heater and filter which islocated in one corner of the engine room near the threeservice pumps. The water is delivered to the boilers at208 to 210 degrees Fahrenheit. The pumps used are 10 by 6by 12 inches in size. The arrangement of the pipes leadingto and from the pumps is one of the interesting featuresof the station. As shown in the accompanying illustration,the pipes are carried overhead. Each pump has a five-inchsuction and a three-inch discharge. Th
. Electric railway review . n. The water is pumped intoan elevated tank of 650 barrels capacity and allowed to runby gravity into a Cookson heater and filter which islocated in one corner of the engine room near the threeservice pumps. The water is delivered to the boilers at208 to 210 degrees Fahrenheit. The pumps used are 10 by 6by 12 inches in size. The arrangement of the pipes leadingto and from the pumps is one of the interesting featuresof the station. As shown in the accompanying illustration,the pipes are carried overhead. Each pump has a five-inchsuction and a three-inch discharge. The pumps are alsoprovided with auxiliary 2M:-inch discharge pipes and anyone of the three pumps can supply water from the riverto the tank or from the heater to the boiler or can be cutinto the general service main to serve water to other partsof the power station, or to the car barn, or for fire protectionpurposes. In leading the steam pipes from the boilers to the en-gines the general scheme of overhead suspension has been. Oflero/f?§——- ~PropOt5ec/ S^ea/n froooiS Other nectnc/.MM IVluncie &. Portland Traction Company—Map Showing Completedand Proposed Routes. adhered to. The main header, 12 inches in diameter, is lo-cated near the center of the building and along the fire wallbetween the engine and boiler rooms. Eight-inch connectionslead from the boilers to the header and five-inch pipes fromthe header to the engines. The angles are turned withlong-radius bends. The free exhaust is carried to the at-mosphere through a 10-inch exhaust line connecting with a12-inch exhaust header which pipes are placed in the base-ment. The high-pressure steam pipes are covered with an85-per cent magnesia composition. The engine room, 47x98 feet, has 20-inch side generating units are driven by two Allis-Chalmers, cross-compound 16 by 26 by 36 inch, Corliss engines with arated capacity of 500-horsepower each. The fly-wheels are14 feet in diameter, have 14-inch faces and weigh 30
Size: 1721px × 1451px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
