Steam boiler explosions, in theory and in pactice; . Fig, 52.—Explosion of an Upright Boiler. Fig. 53 represents the location of the boiler andengine immediately before the explosion. The explo-sion took place, as shown in figure by the yielding ofthe lower tube plate of the boiler. This boiler was three feet in diameter and seven feethigh. The boiler was made of five-sixteenths ironthroughout. It contained sixty tubes, two inches diam-eter, five feet long, which were set with a Prosser ex-pander, and were beaded over as usual. The upper tube-head wns flush with the top of the shell, and the l
Steam boiler explosions, in theory and in pactice; . Fig, 52.—Explosion of an Upright Boiler. Fig. 53 represents the location of the boiler andengine immediately before the explosion. The explo-sion took place, as shown in figure by the yielding ofthe lower tube plate of the boiler. This boiler was three feet in diameter and seven feethigh. The boiler was made of five-sixteenths ironthroughout. It contained sixty tubes, two inches diam-eter, five feet long, which were set with a Prosser ex-pander, and were beaded over as usual. The upper tube-head wns flush with the top of the shell, and the lower,forming the crown of the furnace, was about two feetabove the grates and thebase of the shell, and was flangedupon the inner surface of the furnace. There was asafety plug in the lower tube-head, which was not meltedout, although, as is often the case when these plugs are THE RESULTS OE EXPLOSIONS. 149 so near the fire, a portion of the lower part of the fusiblefilling had Fig. 53.—The Boiler Room Before the Explosion. The working pressure was sixty pounds per squareinch, and the explosion probably took place at or a little
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectsteambo, bookyear1887
