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Full text of "Metallurgy Of Cast Iron"

596                                   INDEX.  •
Blast Furnace Construction—                                          PACK.
Depth  of  foundations   ................................    34
Form  and  position   of  hearth.........................    35
Different lines used  in................................    36
Character  and position of tuyeres.....................    37
Different characters  of coolers used and their position   38
Amount of fire brick and clay required to line up......    40
Character of bricks  used and time required to line. .41, 44 Necessity of expansion space back of the lining.........    41
Methods  for drying and life of linings..............42, 43
Factors of greatest protection to lining................    43
Designs of bells and hoppers and their use..........49, 50
Designs  of  appliances   and  methods  to  prevent  explosions.............................................57, 85
Advantages   of   increased   height......................    73
Blast Furnace Operation—
Weight of stock charged to fill a furnace...........36, 46
Methods for keeping tuyeres open  .............,......    37
Length of time furnaces run steadily..................    40
Methods of charging.................................46, 47
Actions of descending stock......................50, 51, 52
Effects  of improper reduction of ores.................    53
Factors causing scaffolding and slips...........'.... .55,   58
Relieving gas pressure and preventing explosions......    57
Limits of fast driving.................................    76
Conditions   causing   cold  and  hot   working............    77
Regulating temperatures  of blast......................    77
Weight of water driven into- a furnace by blast........    78
Methods  for hand-tapping and stopping-up... .89, 90, 94-90
The weight of liquid iron in bottom of furnace........    91
Causes for chilling in furnaces and evils of lime sets. .    92 Methods for burning out chilled bodies of iron........    93
Blow Holes in Castings—
High sulphur in iron causing........................... 211
Manganese assisting to prevent........................213
Oxides  and  occulated  gases  causing...............213,409
Phosphorus   assisting to   prevent......................2175