. Electric railway journal . nd is agreat improvement over coal or coke in that a steadyheat can be maintained and regulated to suit the con-ditions. The dryer is built up with a framework of three lightrails bent to suit, lined on the inside with Vi-in- tanksteel. The walls and bottom are lined with one layerof firebrick to 42 in. above the floor line. The hopperis made of ^-in. tank steel joined at the corners with2-in. x 2-in. angle irons. The bottomof the hopper is perforated with holes to allow the dry sand todrain out. The sides and ends areprovided with openings covered withs
. Electric railway journal . nd is agreat improvement over coal or coke in that a steadyheat can be maintained and regulated to suit the con-ditions. The dryer is built up with a framework of three lightrails bent to suit, lined on the inside with Vi-in- tanksteel. The walls and bottom are lined with one layerof firebrick to 42 in. above the floor line. The hopperis made of ^-in. tank steel joined at the corners with2-in. x 2-in. angle irons. The bottomof the hopper is perforated with holes to allow the dry sand todrain out. The sides and ends areprovided with openings covered withsliding doors for the purpose ofloosening the sand if packed or tolet out stones which might be lodgedtherein. The chimney is located inthe front of the arch, so that theflame blowing in at the front doorstrikes the back wall and causes theheat to return to the front of the | Sides, Ends andNOTE I Bottoms LinedI with Firebrick Angle, 2x2 k3^ I DiameterPerforations Tank Steel Light SecondHand Rails 4 Pipefrom GravityOil Tank \. ^Pipefron-Supply201b Air Pressure Brass $ Tee BrassDETAILS OF OIL BURNER FOR SAND DRYER box and out the chimney, thus providing a completeheating surface in the firebox. The burner is very simple, being made of standardpipe fittings, except the nozzle and two reducers whichare made of brass rod.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
