File:The Street railway journal (1907) (14573210400).jpg

Identifier: streetrailwayjo301907newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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ensing purposes and which isoften aggravated by stray currents passing through thewater pipes into the station, and from thence to the con-densers and out through the pipes leading into the intakeand discharge flumes, a motor generator set has been in-stalled and provided with suitable controlling apparatus formaintaining in each condenser a counter electromotive forceslightly in excess of the electromotive force due to the gal-vanic action and the stray currents. BOILERS The initial installation consists of twelve 525-hp Babcock& Wilcox water-tube boilers set in batteries of two boilers August 31, 1907.) STREET RAILWAY JOURNAL. 3ii each, and arranged with eight boilers on one side and four A novel feature of the boiler settings is the installation of boilers on the other side of the boiler room, separated by a an external steel casing entirely enclosing the brickwork, 21-ft. firing floor. Provision is made for four additional thus rendering the settings impervious to air leaks. I
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in 0 Streel Ry.Journal CROSS SECTION OF BOILER HOUSE ON LINE C. C. boilers to take care of the fourth turbo-generator unit when ECONOMIZERS installed. These boilers are equipped with Roney mechani- Three Green fuel economizers are provided, and thecal stokers and Babcock & Wilcox superheaters and deliver boiler flues leading to the economizers are arranged with by-steam at 200 lbs. gage pressure and 125 degs. superheat. passes so that one or all of the economizers can be cut out 312 STREET RAILWAY JOURNAL. (Vol. XXX. No. 9. and the flue gases from either two or four batteries may bepassed through either one or two of the economizers, thusadapting the economizer installation to the changing demandupon the boilers. The economizers are enclosed by meansof metal sectional covering insulated with prepared asbestosblocks. FEED-WATER SYSTEMUnder ordinary conditions the boiler feed-water is de-livered from the pump house at Mianus through a 10-in.main to a concrete reservoir of 600,000 ga

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