Identifier: streetrailwayrev11amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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being regulated by a door that islifted or lowered. A fire brick arch 3 ft. deep at the front endfacilitates the coking of the fresh coal as it enters, and also thecombustion of the volatile gases. The speed of the grate is grad-uated so that the time of travel to the rear end is sufficient forcomplete combustion. For the rapid and economical handling of coal and ashes, thisplant is completely equipped with the latest design of the McCas-lin conveyor, which was furnished and installed by the John A.Mead Manufacturing Co., of New York City. The general ar-rangement of the conveyor will be seen from Fig. 4. The boiler room lies at right angles to the switch tracks asshown in the cut. The coal which is run of mine bituminous, isdelivered from the cars directly into a receiving hopper and fromthere passes into a self contained, direct connected, steam drivencoal criisher, where it is broken into pieces not larger than i^-in.cubes. From the crusher the coal drops into the lower horizontal
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Y^^^lMUlWR FIG. 2-CROSS-SECTION OF POWER HOUSE. of the engine room where the fourth unit -will be is not yetfloored over. The stack is of brick, 180 ft. high above the gradeline with a flue 10 ft. in diameter. It is located with its centerline 3354 ft. outside the south wall of the building. The bottomcourse of the foundation is of concrete, 26 ft. square, and 2 ft.thick, the top of the concrete being 18 ft. below the grade line.The lower courses are stepped in so that the stack is 19 ft. squareat a point 6 ft. below the grade line; the square shape is retaineduntil a little above grade from which point the corners are taperedoff so that the section becomes octagonal 11 ft. 6 in. above grade.Above this point to the top the section is circular, the taper being)^ in. to I ft. The outer wall is 38 in. thick for the first 30 ft. abovegrade, and the succeeding sections of 25 ft. each are 34, 3°, 26, 21,17, and 13 in. thick, respectively. The inner wall is 13 in. thick;the space between th

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