Laying out for boiler makers and sheet metal workers; a practical treatise on the layout of boilers, stacks, tanks, pipes, elbows, and miscellaneous sheet metal work . ^ and therefore the boiler maker is obliged to build aboiler which will meet these difficulties. Another source ofconsiderable annoyance lies in the method of getting the. the accumulation of mud in the water space is so great thatthis blow-off cock will remove only a certain portion of themud. That which remains settles to the bottom and becomeshard, which is a cause of the side sheets burning out. Inorder to remove the mud fro
Laying out for boiler makers and sheet metal workers; a practical treatise on the layout of boilers, stacks, tanks, pipes, elbows, and miscellaneous sheet metal work . ^ and therefore the boiler maker is obliged to build aboiler which will meet these difficulties. Another source ofconsiderable annoyance lies in the method of getting the. the accumulation of mud in the water space is so great thatthis blow-off cock will remove only a certain portion of themud. That which remains settles to the bottom and becomeshard, which is a cause of the side sheets burning out. Inorder to remove the mud from the bottom of the water space,cleaning pipes, as shown in Fig. 150, are used. Large holes Hare placed in the corners of the fire-box, and through theseholes the cleaning pipes are put in position. Blow-off cocks are attached at several places, as at B andC. When these cocks are open, the boiler pressure forces thesediment into numerous little holes which have been drilled inthe cleaning pipe, and thus the mud, together the water,is carried away. The holes H are tapped out, and brass taper-plugs are screwed in to close the opening. The pipes mustnot rest down on the bottom of the mud-ring, but should besupported several inches above the mud-ring, as shown at L,Fig. 151. The bolt B has a taper thread at the taper, and, theb
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Keywords: ., bookcentury1900, bookdecade1900, bookidl, booksubjectsteamboilers
