. The Street railway journal . pumpis automatically controlled by a floating valve in the hotwell. SPRAY BOX Make up water is injected into, and the dry vacuumpump is connected to, a cast-iron spray box, approxi-mately 4 ft. 6 in. long and 18 in. square, located over thecondenser, into which box the water is introduced througha 43/2-in. pipe perforated with ^-in. holes. The vacuumpump connection is made through a lo-in. pipe leading outof the top of the box protected by a baffle which preventswater getting into the air pumps. The effect of introduc-ing the water at this point is to cool the ai
. The Street railway journal . pumpis automatically controlled by a floating valve in the hotwell. SPRAY BOX Make up water is injected into, and the dry vacuumpump is connected to, a cast-iron spray box, approxi-mately 4 ft. 6 in. long and 18 in. square, located over thecondenser, into which box the water is introduced througha 43/2-in. pipe perforated with ^-in. holes. The vacuumpump connection is made through a lo-in. pipe leading outof the top of the box protected by a baffle which preventswater getting into the air pumps. The effect of introduc-ing the water at this point is to cool the air and therebylessen the work of the vacuum pump. At the same timethe make-up water is heated by the condenser to 100 being pumped through the feed water heaters to theboilers. STEAM SEPARATOR The tendency of water to be thrown out against and flowalong the walls of a pipe in a steam line has been takenadvantage of in the construction of a separator for the newturbine of somewhat novel form. It is a small horizontal. TURBINE ,\UXILIARIES AND SPECIALLY DESIGNED PUMP drum placed on the end of the steam pipe on the engineroom side of the boiler room wall. The pipe is brought tothe diameter of the drum by a gradual enlargement ortrumpet shaped head on one end of the drum. The turbinesupply pipe is taken off the top of the opposite end of thedrum. A hand hole is provided at the end for examining 526 STREET RAILWAY JOURNAL. [Vol. XXXL No. 14. the interior of the drum. This separator is reported asgiving unusually dry steam. ROTARY CONVERTER BRUSHES The rotary converters in the station are provided with Flap ValveStuttiiiB Valve Shaft
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
