. Electric railway journal . St. Louis Sand-Drying Plant—Exterior View so as to take strap hangers, receptacles and molding support- 6000 cu. yd. of sand, corresponding to about 162,000 cu. ft., per ing screws, the molding being run down the center of cars year. During the winter, at the period of maximum demand, and backed by the maple ceiling board. There are no wire about 1200 cu. ft. per day is required. The sand is Mississippi joints in this molding. River bar sand and contains, when it arrives at the plant, about The light and heater circuit fuses are mounted on asbestos 5 per cent of mo
. Electric railway journal . St. Louis Sand-Drying Plant—Exterior View so as to take strap hangers, receptacles and molding support- 6000 cu. yd. of sand, corresponding to about 162,000 cu. ft., per ing screws, the molding being run down the center of cars year. During the winter, at the period of maximum demand, and backed by the maple ceiling board. There are no wire about 1200 cu. ft. per day is required. The sand is Mississippi joints in this molding. River bar sand and contains, when it arrives at the plant, about The light and heater circuit fuses are mounted on asbestos 5 per cent of moisture and quite a large proportion of gravel, wood panels on the front platforms, where, owing to design The course of the sand at the dryer can be followed from of cars, they are inaccessible to the general public. In other the cross-section of the sand-drying plant published on the next. Feeding End of Rotary Dryer portions of car wiring, where necessary, flexible tubing pro-tection is used. This improvement in car wiring was largely brought aboutby the desire to eliminate all possible fire hazards from thenew sprinklered storage car house just constructed at Thir-teenth and Arapahoe Streets. Belt Conveyor Leading to Wet Sand Pit page. It will be seen that the wet sand is dumped by gravityfrom the steam railroad cars directly into a concrete wet sandpit. An apron conveyor takes this wet sand from the bottomof the storage pit and dumps it onto a belt conveyor whichtravels at a speed of 300 ft. per minute and discharges the sandinto a rotary dryer. The dryer turns at a speed of 10 and 954 ELECTRIC RAILWAY JOURNAL. [Vol. XXXVII. No. 22.
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