Transactions . special setting of the hopper, in con-junction with the type of bell used, makes any other positionless convenient. 2. The furnace-plant is supplied with water under a nat-ural head of about 60 ft., which is used to operate the bell,the cylinder being placed in a pit below ground-level, in or-der both to take full advantage of the head and to preventfreezing. Since it is not practicable to have the center of thecylinder under the end of the bell-lever, the rope runningup from the former is carried over a sheave so as to give itthe necessary direction. This sheave is supported on
Transactions . special setting of the hopper, in con-junction with the type of bell used, makes any other positionless convenient. 2. The furnace-plant is supplied with water under a nat-ural head of about 60 ft., which is used to operate the bell,the cylinder being placed in a pit below ground-level, in or-der both to take full advantage of the head and to preventfreezing. Since it is not practicable to have the center of thecylinder under the end of the bell-lever, the rope runningup from the former is carried over a sheave so as to give itthe necessary direction. This sheave is supported on a pair ofI-beams fastened to the furnace at one end and supported on apipe-column at the other, about 8 ft. above the ground,—a con-venient height for the support of the mechanism and the clock-case of the recorder. The arrangement of the chain supporting the test-rod isclearly shown in Fig. 1. A pulley about 12 in. in diameter is 1 Trans., xxxv., 581, Fig. 7. STOCK-LINE RECORDER FOR IRON BLAST-FURNACES. 81. Fig. 1.—The Arrangement of the Chain Supporting the Test-Rod.
Size: 1974px × 1265px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
