. Transactions. tsburgdistrict. The furnace is blown with twelve 6-inch tuyeres, andis equipped with four hot-blast stoves. Blast is supplied bythree blowing-engines having the following dimensions : Steam-cylinder, 44 in. in diameter; air-cylinder, 84 in.; stroke, 60inches. 756 APPLICATION OF DRY-AIR BLAST TO MANUFACTURE OF IRON. Fig. 2 shows, in elevation, the ammonia-compressors, con-densers, and the refrigerating-chamber. This view of the re- Fig. l. N * / 14 \ j&ofo_ ?/ , /jL-a o /S/f BE L LA fURfl/XCE A/O. / Lines and Dimensions of Isabella Furnace, No. 1. frigerating-chamber shows
. Transactions. tsburgdistrict. The furnace is blown with twelve 6-inch tuyeres, andis equipped with four hot-blast stoves. Blast is supplied bythree blowing-engines having the following dimensions : Steam-cylinder, 44 in. in diameter; air-cylinder, 84 in.; stroke, 60inches. 756 APPLICATION OF DRY-AIR BLAST TO MANUFACTURE OF IRON. Fig. 2 shows, in elevation, the ammonia-compressors, con-densers, and the refrigerating-chamber. This view of the re- Fig. l. N * / 14 \ j&ofo_ ?/ , /jL-a o /S/f BE L LA fURfl/XCE A/O. / Lines and Dimensions of Isabella Furnace, No. 1. frigerating-chamber shows it to be connected for the direct ex-pansion of ammonia; but, as the escape of ammonia gas througha broken pipe or leaking-joint might imperil the life of anyone APPLICATION 01 DRT-AIB BLAB1 10 IfANUFAOTURB 01 [RON. 7>7 in the chamber at the time, it was decided to adopt the brinesystem, and the pipe-connections are as shown in Pi and 4, representing the refrigerating-chamber in longitudinal and nnmnmmnn. transverse section. The refrigerating-chamber is lined on theinside with plates of compressed cork 2 in. thick. The ammonia-machines are of the compressor type, andwere built by the York Manufacturing Co., York, Pa. Thedimensions are as follows : Diameter of the high-pressure steam- 758 APPLICATION OF DRY-AIR BLAST TO MANUFACTURE OF IRON. cylinder, in.; low-pressure, 56 in. ; compressor cylinder, in.; stroke, 36 in. Two compressors were installed in or-der to have one in reserve at all times, as a funace operating onuniformly dry air cannot be subjected to ordinary atmospheric Fig. 3.
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
