Steam Boilers: A Practical Treatise on Boiler Construction and Examination |
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Page 2
... ring an inch broad , as , say , at A in Fig . 2 , we shall obviously have a section of 1 square inch of metal to break before the ring can be broken into two pieces . The next consideration is what is the average strength of a plate of ...
... ring an inch broad , as , say , at A in Fig . 2 , we shall obviously have a section of 1 square inch of metal to break before the ring can be broken into two pieces . The next consideration is what is the average strength of a plate of ...
Page 4
... ring , A , in Fig . 3 , to be 16 inches , and the length of g to be inch , and if there be a pressure of 100 lbs . per inch in the boiler , then the total amount of pressure acting on division 1 ) to burst the plate in the direction of ...
... ring , A , in Fig . 3 , to be 16 inches , and the length of g to be inch , and if there be a pressure of 100 lbs . per inch in the boiler , then the total amount of pressure acting on division 1 ) to burst the plate in the direction of ...
Page 6
... ring ( such as A in Fig . 2 ) one inch broad , just one square inch of metal to resist the internal boiler pressure due to a diameter of 60 inches , and therefore the one 60th . part of 47,040 lbs . , ( or 748 lbs . ) is the pressure ...
... ring ( such as A in Fig . 2 ) one inch broad , just one square inch of metal to resist the internal boiler pressure due to a diameter of 60 inches , and therefore the one 60th . part of 47,040 lbs . , ( or 748 lbs . ) is the pressure ...
Page 44
... rings if the furnace is made with rings . If the longitudinal joints instead of being butted are lap jointed in the ordinary way then 70,000 is to be used instead of 90,000 , excepting only where the lap is bevelled and so made as to ...
... rings if the furnace is made with rings . If the longitudinal joints instead of being butted are lap jointed in the ordinary way then 70,000 is to be used instead of 90,000 , excepting only where the lap is bevelled and so made as to ...
Page 47
... ring an inch broad , the plate thickness being inch , and , as the steam presses on the exterior of the furnace , there will be 40 square inches of area for the steam to act on in the direction of the arrow , * and therefore tending to ...
... ring an inch broad , the plate thickness being inch , and , as the steam presses on the exterior of the furnace , there will be 40 square inches of area for the steam to act on in the direction of the arrow , * and therefore tending to ...
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Common terms and phrases
annealed area of stay Board of Trade boiler shell bolts calculation cent centre circumferential seams cock combustion box combustion chambers compressive stress constant construction corrugated diam double butt straps double rivetted doubling plate drilled engine evaporation Example factor of safety feet fire-box follows formula furnace girder gusset heat or flame HENRY CAREY impact of heat inch of stay inch thick inches diameter inspectors iron Lap Joint length less longitudinal seams marine boilers multiplied percentage plate section Plate thickness pounds Practical pressure allowable Punched Rivet diameter rivet holes rivet section riveted and fitted rivetted joints rules safety-valves shell plate side flues silky single butt straps single riveted solid plate square inch stay tubes stay-tube stays screwed steam pipe steam space steamers Strength of material stress per square superheater Surveyor tensile strength tensile stress thickness of material Thickness of plate thread tons tube plate uptake valves wide pitch width
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