Marine Boiler Management and ConstructionLongmans, Green, and Company, 1901 - 404 páginas |
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Página 1
... increases , the hot fuel is raked back , igniting the remainder . If the coal is very dusty it may be necessary to cover the bars with old matting or with paper . If steam has to be raised quickly , the fires are started in all the ...
... increases , the hot fuel is raked back , igniting the remainder . If the coal is very dusty it may be necessary to cover the bars with old matting or with paper . If steam has to be raised quickly , the fires are started in all the ...
Página 7
... increased , doing harm where it chills the various plates . FIG . 6 FIG . 7 Door Frames suffer in the same way as the doors to which they are attached , unless they too are properly protected from the heat , either by baffle plates with ...
... increased , doing harm where it chills the various plates . FIG . 6 FIG . 7 Door Frames suffer in the same way as the doors to which they are attached , unless they too are properly protected from the heat , either by baffle plates with ...
Página 9
... increasing the length of bars or the coal consumption , then their depth grows so great that it seriously interferes with ... increased , whereas in the large furnace , where the ashpit area is sufficient , the alteration might increase ...
... increasing the length of bars or the coal consumption , then their depth grows so great that it seriously interferes with ... increased , whereas in the large furnace , where the ashpit area is sufficient , the alteration might increase ...
Página 10
... increased if desired . FIG . 8 FIG . 9 The following advantages should not be overlooked : -By reducing the air spaces till they are mere slits , the chief resistance to the air passage is found at these points and not in the fuel , and ...
... increased if desired . FIG . 8 FIG . 9 The following advantages should not be overlooked : -By reducing the air spaces till they are mere slits , the chief resistance to the air passage is found at these points and not in the fuel , and ...
Página 11
... increases the fusibility of clinker , and the hydrochloric acid , which it loses while melting , is a very active corrosive agent and injurious to the boiler plates . Sea water should , therefore , not be mixed with the coal , and ...
... increases the fusibility of clinker , and the hydrochloric acid , which it loses while melting , is a very active corrosive agent and injurious to the boiler plates . Sea water should , therefore , not be mixed with the coal , and ...
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Términos y frases comunes
acid angle annealing bars bending Board of Trade boiler shell bolts carbon carbonic acid caulking centre circumference circumferential seams cocks combustion chamber compression stress corners corrugated crack Crown 8vo cylindrical D. K. Clark diameter Double nuts drilled edge elastic limit elongation end plates Ends Riveted Stay Engineering Enging experiments factor of safety fire fitted flame flange flat plates fuel funnel gases girder hammer heating surface hydraulic Illustrations iron plates lap joints length Lloyd's Register load longitudinal seams machine material metal percentage pipes pitch placed Plain punched reduced rivet holes rows screwed stays sectional area shearing stress shell plates shown in fig side square foot square inch Stay Ends Nutted Stay Ends Riveted stay tubes steam space steel Strength of Materials superheaters Surveyor temperature tensile strength tension test piece thickness of plate threads tons tube plate washers water spaces water-tube boilers weight welded
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