Nevada And California Processes of Silver And Gold Extraction for General Use
Nevada And California Processes of Silver And Gold Extraction for General Use
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176 PROCESSES OF SILVEK AND GOLD EXTRACTION.
ROASTING FURNACE.
SEC. 53. The roasting furnace, represented by Fig. 29, the horizontal section of Fig. 30 on the line CD; then Fig. 30, a vertical section of Fig. 29 on the line A B shows the right proportion and dimensions of an economical furnace in regard to fuel and time of roast- ing. The hearth-bottom, a, is made carefully of the hardest bricks, laid edgewise as close as possible. Bricks with uneven sides must be rejected ; b shows a square ho...le in the floor for discharging the roasted ore. The flue, c, communicates with the holes, c\ in the arch, v, nine inches in diameter ; they being perpendicular, are not liable to be choked by the ore ; d is a canal for the purpose of cleaning c. The distance between the arch and bottom near the bridge, #, is twenty-one inches, but near the flue, c\ only eight inches. The flue, c, can be led, either under the floor, or directly, or through dust chambers, into a chimney, which, for one furnace, must be twenty-five or thirty feet high, with the inside from sixteen to eighteen inches square.
What to read after Nevada And California Processes of Silver And Gold Extraction for General Use?
You can find similar books in the "Read Also" column, or choose other free books by G Guido Kstel to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
176 PROCESSES OF SILVEK AND GOLD EXTRACTION.
ROASTING FURNACE.
SEC. 53. The roasting furnace, represented by Fig. 29, the horizontal section of Fig. 30 on the line CD; then Fig. 30, a vertical section of Fig. 29 on the line A B shows the right proportion and dimensions of an economical furnace in regard to fuel and time of roast- ing. The hearth-bottom, a, is made carefully of the hardest bricks, laid edgewise as close as possible. Bricks with uneven sides must be rejected ; b shows a square ho...le in the floor for discharging the roasted ore. The flue, c, communicates with the holes, c\ in the arch, v, nine inches in diameter ; they being perpendicular, are not liable to be choked by the ore ; d is a canal for the purpose of cleaning c. The distance between the arch and bottom near the bridge, #, is twenty-one inches, but near the flue, c\ only eight inches. The flue, c, can be led, either under the floor, or directly, or through dust chambers, into a chimney, which, for one furnace, must be twenty-five or thirty feet high, with the inside from sixteen to eighteen inches square.
What to read after Nevada And California Processes of Silver And Gold Extraction for General Use?
You can find similar books in the "Read Also" column, or choose other free books by G Guido Kstel to read onlineMoreLess
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