研究结果表明，未燃煤粉以固体质点形式分散在初渣内部时，使初渣粘度大大增加，渣铁熔体难以滴落；
The result shows that the viscosity is greatly increased while the solid coal powder distributed in the inside of slag and result in poor separation of molten iron and slag.
试验研究了从风口喷吹碱性熔剂对高炉炉料软熔性能和初渣性能的影响。
The influence of basic flux injection through the tuyeres on softening-melting properties of blast furnace burden and properties of primary slag was investigated in laboratory.
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