. Transactions. 922 BLAST-FURNACE PLANT AT PORTOFERRAIO, ITALY,. i:i. 1ST-] DRNAC1 PLAN! at PORTO] IRB UO, tl >ne—are hoisted electrically and distributed in the bopper byhand. A Krupp electric crasher is used to crush the bard< Ibefore charging them into the furnace. The accessory apparatus comprises:— l. // sU tor raising the raw materials t the top of the fur-nac< 3. J. Dry purifiers, in which the dust carried by th< Biases is de-posited. 3. Theisen gas-purifiers, in which these gases are washed. 4. Cowper hot-blast stoves, in which tin- cold air-blast comingfrom the blast
. Transactions. 922 BLAST-FURNACE PLANT AT PORTOFERRAIO, ITALY,. i:i. 1ST-] DRNAC1 PLAN! at PORTO] IRB UO, tl >ne—are hoisted electrically and distributed in the bopper byhand. A Krupp electric crasher is used to crush the bard< Ibefore charging them into the furnace. The accessory apparatus comprises:— l. // sU tor raising the raw materials t the top of the fur-nac< 3. J. Dry purifiers, in which the dust carried by th< Biases is de-posited. 3. Theisen gas-purifiers, in which these gases are washed. 4. Cowper hot-blast stoves, in which tin- cold air-blast comingfrom the blast-engines is heated. The building for the hoisting-machinery, placed between thetwo furnaces, contains two machines, each capable of lifting in30 seconds two loaded wj weighing from 1,750 to 2,200 lb. each) to the top of the furnaces. Kadi hoist is composedof two drums rotating in opposite directions on which thecables supporting the hoisting - are wound. These drums are driven by Westinghouse four-pole series-wound railway-type enclosed motors of 5
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
