. American stationary engineering; a practical work which begins at the boiler room and takes in the whole power plant. sofreely, all the heat that would have been blown off is disadvantages are that being fresh water and forming noscale on the boiler, it causes the boiler to rust. Maxims and Instructions* 67 THE MARINE is often said that one engineer will get more out of aship than another. In general it will be found that themost successful engineer is the man who manages his stokersbest. It is very difficult on paper to define what is^ meant. Itis a thing to be felt or s
. American stationary engineering; a practical work which begins at the boiler room and takes in the whole power plant. sofreely, all the heat that would have been blown off is disadvantages are that being fresh water and forming noscale on the boiler, it causes the boiler to rust. Maxims and Instructions* 67 THE MARINE is often said that one engineer will get more out of aship than another. In general it will be found that themost successful engineer is the man who manages his stokersbest. It is very difficult on paper to define what is^ meant. Itis a thing to be felt or seen, not described. * * * * Theengineer who really knows his business will give his fires a fairchance to get away. He will work his engines up by degreesand run a little slowly for the first few moments. WATER TUBE STEAM popular form of steam boiler in use in the United Statesand Europe is what is called the water tube boiler. Thisterm is applied to a class of boiler in which the water is con-tained in a series of tubes, of comparatively small diameter,which communicate with each other and with a common. Water Tube Boiler.—Pig. 36. steam-chamber. The flames and hot gases circulate betweerthe tubes and are usually guided by partitions so as to actequally on all portions of the tubes. There are many varietiesof this type ol boiler of which the cut illustrates one ; in thiseach tube is secured at either end into a square cast-iron head,and each of these heads has two openings, one communicatingwith the tube below and the other with the tube above ; the 68 Maxims and Instructions. WATER TCTBE STEAM BOILERS. communication is effected by means of liollo-w cast-iron capsshown at the end of the tubes ; the caps have openings in themcorresponding with the openings in the tube heads to whichthey are bolted. In the best forms of the water tube boilers, it is suspendedentirely independent of the brick work from wrought irongirders resting on iron columns. This avoids any strai
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsteamen, bookyear1917
