Marine Boiler Management and Construction: Being a Treatise on Boiler Troubles and Repairs, Corrosion, Fuels and Heat on the Properties of Iron and Steel, on Boiler Mechanics, Workshop Practices and Boiler DesignLongmans, 1901 - 404 páginas |
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Página 2
... length shorter than the top , which , in a double - ended boiler of 17 feet length , would amount to more than inch . Of course the upper two - thirds of the boiler would be slightly compressed , but the amount of metal in the lower ...
... length shorter than the top , which , in a double - ended boiler of 17 feet length , would amount to more than inch . Of course the upper two - thirds of the boiler would be slightly compressed , but the amount of metal in the lower ...
Página 7
... length 2 to 4 ft . , air spaces to in . , depth 3 to 5 ins . , and thickness to 1 in . at top , tapering 1 to 14 in . per foot of depth . Even for forced draught , if not excessive , the above dimensions give good results , although the ...
... length 2 to 4 ft . , air spaces to in . , depth 3 to 5 ins . , and thickness to 1 in . at top , tapering 1 to 14 in . per foot of depth . Even for forced draught , if not excessive , the above dimensions give good results , although the ...
Página 8
... length . These views lead to the following formulæ , with whose help the small table has been com- piled . If not numerically correct , it can at least be used for making comparisons . I. For a given coal consumption , and for a given ...
... length . These views lead to the following formulæ , with whose help the small table has been com- piled . If not numerically correct , it can at least be used for making comparisons . I. For a given coal consumption , and for a given ...
Página 9
... Length of fire bars = 6 ft . 20 lbs . 40 lbs . 80 lbs . 100 lbs . 72 100 5 ft . 40 55 80 100 " " 4 ft . 32 45 64 80 " " 3 ft . 24 34 48 60 2 ft . 6 ins . 20 28 40 50 " " 2 ft . 16 24 32 40 1 ft . 6 ins . 12 17 24 30 With bars whose air ...
... Length of fire bars = 6 ft . 20 lbs . 40 lbs . 80 lbs . 100 lbs . 72 100 5 ft . 40 55 80 100 " " 4 ft . 32 45 64 80 " " 3 ft . 24 34 48 60 2 ft . 6 ins . 20 28 40 50 " " 2 ft . 16 24 32 40 1 ft . 6 ins . 12 17 24 30 With bars whose air ...
Página 11
... lengths , it is always best to place any new bars at the back end . Ashes and Clinker . Another great trouble , and one which , like all others , is aggravated under the conditions of forced draught , is the accumulation of clinker on ...
... lengths , it is always best to place any new bars at the back end . Ashes and Clinker . Another great trouble , and one which , like all others , is aggravated under the conditions of forced draught , is the accumulation of clinker on ...
Otras ediciones - Ver todas
Marine Boiler Management and Construction Johann Phillip Edmond Charles Stromeyer Vista completa - 1901 |
Términos y frases comunes
annealed bending Board of Trade boiler shell bolts carbonic acid caulking centre circumferential seams coal cocks combustion chamber compression stress corrosion crack Crown 8vo cylindrical D. K. Clark diameter Double nuts drilled edge elastic limit elongation end plates Ends Riveted Stay Engineering Enging evaporation experiments factor of safety fitted flame flange flat plates fuel funnel gases girder heating surface Illustrations iron plates lap joints length load longitudinal seams machine material measured metal oxygen percentage pipes pitch Plain practice pressure punched reduced rivet holes rows safety valves salt samples screwed stays sectional area shearing stress shown in fig side square foot square inch Stay Ends Nutted Stay Ends Riveted stay tubes steam space steel plates Strength of Materials superheater Surveyor temperature tensile strength tension thickness of plate Threads tons tube plate washers water spaces water-tube boilers weight welded
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