. Science of railways . »â â â â â â â â â «â â â â â â â â â â - i « M-M M M H â â â â â 1 â M â M â â M â â V W Fig. 22âView of Screen for Locomotive Tender Screw Conveyor The screen over conveyor is of rectangular wrought steelbars, spaced by round wrought steel bars to two and one-half I LOCOMOTIVE APPLIANCES. 127 Inch square openings. All coal must pass through these open-ings before being handled by stoker. This size and design ofscreen is for handling what is termed nut run coalâthat is,a mixture of nut, pea and slack in about equal proportion. The Fig. 23âView of Screen Shaker Rod s
. Science of railways . »â â â â â â â â â «â â â â â â â â â â - i « M-M M M H â â â â â 1 â M â M â â M â â V W Fig. 22âView of Screen for Locomotive Tender Screw Conveyor The screen over conveyor is of rectangular wrought steelbars, spaced by round wrought steel bars to two and one-half I LOCOMOTIVE APPLIANCES. 127 Inch square openings. All coal must pass through these open-ings before being handled by stoker. This size and design ofscreen is for handling what is termed nut run coalâthat is,a mixture of nut, pea and slack in about equal proportion. The Fig. 23âView of Screen Shaker Rod screen is carried on slides under shovel plate and is kept inmotion, when stoker is running, by means of a screen shakerrod attached by pivot pin connection to bell crank on elevatorhopper. The bell crank is operated by an eccentric on lowerleft hand sprocket wheel shaft in elevator hopper. The movement of the screen assists in ready passage ofcoal to screw conveyor
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Keywords: ., bo, bookcentury1900, bookdecade1910, bookidscienceofrailway14kirk
