| 摘要 |
A cupola for melting pig iron or steel scrap. The cupola has a belly having a tapping hole at the lower portion thereof, a plurality of more than two spiral combustion chambers provided outside of belly burners. The burners use creosote oil as fuel and direct flame into these combustion chambers. The combustion chambers are provided with tuyeres for blowing flame from the burners into the belly, and the space under the belly is filled with a large number of block-shaped elements of refractory material having a high degree of refractoriness.
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