. The railroad and engineering journal . ixed so as to protrude into a pipe-rest, and aspace of about i in. is allowed between the flange of thesprinkler and the plate of the boiler. The oil and steamare separated inside the sprinkler by means of a box filledwith asbestos packing, which latter has to be renewedabout once a month. The admission of steam is regulatedby a special valve in the pipe. The results were found tobe so good that 140 locomotives on the Gryasi-TsaritzinRailroad are now fitted with it. Should this sprinklerget stopped up for any reason the spindle has only tobe screwed bac
. The railroad and engineering journal . ixed so as to protrude into a pipe-rest, and aspace of about i in. is allowed between the flange of thesprinkler and the plate of the boiler. The oil and steamare separated inside the sprinkler by means of a box filledwith asbestos packing, which latter has to be renewedabout once a month. The admission of steam is regulatedby a special valve in the pipe. The results were found tobe so good that 140 locomotives on the Gryasi-TsaritzinRailroad are now fitted with it. Should this sprinklerget stopped up for any reason the spindle has only tobe screwed back, and the oil will force the carbonizedparticles into the fire-box. Urquhart has also protectedthe walls of the pipe against the flames, and prevented allthe deteriorating action on the boiler which their directaction entails, by lining the inside of the fire-box withbrick, as shown in fig. 28. Here the sprinkler is placedlow down, and blows into a furnace chamber built into thefire-box and covered with a vaulted roof, which slants off. in the direction of the tube plate. The brickwork doesnot lean against the wall of the fire-box, but is about 2 it, so that these walls may not be lost to the healingsurface. The flame beats from the furnace chamberagainst what used to be the fire-door, now bricked up(except a small peep-hole), and reaches the tubes throughan opening in the roof of the chamber at this point. Twochannels are built into the walls of the furnace chamber,and lead a portion of the heating gases to the lower surfaceof the tube-plate, as well as into the spaces between thebrickwork and the outer walls of the fire-box, so as to givethese an efficient heating surface. The requisite air isforced into the furnace by the sprinkler, and more air isadmitted by the ash-pan dampers, which are regulated bychains and chain-wheels. The air entering at the frontash-pan damper passes through a channel, and is warmedbefore being admitted to the gases. Complete combustionof t
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Keywords: ., bookcentury1800, bookdecade1880, bookidrailroadengi, bookyear1887
