A Practical Treatise on Metallurgy: Adapted from the Last German Edition of Prof. Kerl's Metallurgy, Volúmenes1-2Longmans, Green, and Company, 1868 |
Dentro del libro
Resultados 1-5 de 74
Página 61
... opening for charging the fuel ; m , flues ; n , chimney . The hearth slopes from the fire - bridge towards the middle , where it forms a sump , which likewise slopes from one broad side of the furnace to the other , and communicates ...
... opening for charging the fuel ; m , flues ; n , chimney . The hearth slopes from the fire - bridge towards the middle , where it forms a sump , which likewise slopes from one broad side of the furnace to the other , and communicates ...
Página 71
... openings beneath the walls , therefore the smoke is drawn by means of a cylinder blast machine through the water , and emitted into the chimney . The blast machine consists of 3 cylinders about 6 feet in diameter , and 8 feet high , and ...
... openings beneath the walls , therefore the smoke is drawn by means of a cylinder blast machine through the water , and emitted into the chimney . The blast machine consists of 3 cylinders about 6 feet in diameter , and 8 feet high , and ...
Página 82
... opening a tap - hole communicating with the bottom , and the slags are conducted by a slope to another basin , where they accumulate for re - smelting . The length of the nose must be so regulated that the front wall is kept free from ...
... opening a tap - hole communicating with the bottom , and the slags are conducted by a slope to another basin , where they accumulate for re - smelting . The length of the nose must be so regulated that the front wall is kept free from ...
Página 102
... opening for removing soot , & c .; h , an opening showing the flame of FIG . 33 . FIG . 38 . i 1 . d 5 10 15 20 Met Π h -K -m the furnace , so that if anything escapes from the furnace mouth , it may be observed by the smelter working ...
... opening for removing soot , & c .; h , an opening showing the flame of FIG . 33 . FIG . 38 . i 1 . d 5 10 15 20 Met Π h -K -m the furnace , so that if anything escapes from the furnace mouth , it may be observed by the smelter working ...
Página 123
... opening dd . This mixture yields : - 1. From 2 cwts . 47 lbs . to 3 cwts . 57 lbs . of Raw Lead , containing about 2 ounces of silver per cwt . This becomes cupelled , and the resulting silver , after having been converted under the ...
... opening dd . This mixture yields : - 1. From 2 cwts . 47 lbs . to 3 cwts . 57 lbs . of Raw Lead , containing about 2 ounces of silver per cwt . This becomes cupelled , and the resulting silver , after having been converted under the ...
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Términos y frases comunes
24 hours Altenau amalgam amount of silver antimony argentiferous arsenic baryta bismuth black copper blast calcined cent of copper cent of lead cent of silver charcoal charge chiefly clay coal cobalt coke condensation copper matt crucible cubic feet cupelling cupola furnaces cwts decomposed desilverised dross extraction flue fluxes formation formed Freiberg fuel furnace ends fused galena gold hearth heated impure inches iron pyrites Lautenthal lead containing lead matt lime liquation litharge loss of lead loss of metal loss of silver mercury metre mixed mixture muffles nickel oxide oxide of lead oxidised Pattinson's process precipitated production quantity quartz raw lead raw matt reduced refined residues resulting reverberatory furnaces rich lead roasting mass roasting process schlich silica silver per cwt slags smelting process sodium sodium amalgam spar speiss sulphate of lead sulphide sulphuric acid sump temperature treated tuyere u. h. Ztg Upper Hartz volatilisation whilst yield zinc blende