Transactions . vtrnm. Semen. Fjg. 27.—Blast-Furnace Gas-Washing Plant, Feld System. THE CLEANING OF BLAST-FURNACE GAS. 413 The method of operation is as follows: The gas from the dry dustcatcher is conducted through main A to the bottom of the washers;this main is open at the bottom, the lower edges dipping into thehydraulic seal at B. Any dust deposited by friction in this main isdropped into the water and thus carried to the settling basins; thehydraulic head causing the heavier liquid to syphon out of B intothe mud trough. This hydraulic feature also provides a safetyvalve against any possi
Transactions . vtrnm. Semen. Fjg. 27.—Blast-Furnace Gas-Washing Plant, Feld System. THE CLEANING OF BLAST-FURNACE GAS. 413 The method of operation is as follows: The gas from the dry dustcatcher is conducted through main A to the bottom of the washers;this main is open at the bottom, the lower edges dipping into thehydraulic seal at B. Any dust deposited by friction in this main isdropped into the water and thus carried to the settling basins; thehydraulic head causing the heavier liquid to syphon out of B intothe mud trough. This hydraulic feature also provides a safetyvalve against any possible explosion in the furnace, as an explosioncan only blow the water seal and thus find relief. The gas passesupward through the Feld washer C, being cleaned in the lower sec-tions and cooled in the upper sections. The exhauster, or fan, _D,moves the primarily cleaned gas on through the main jE1, fromwhence it is conducted to the stoves and boilers. If a final treat-ment of the gas for engine purposes is desi
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
