The formation of primary slag is related with charge structure.
初渣的生成与炉料的种类有关。
The slag forming process occurs in stage of primary slag, bosh slag, tuyere slag and tapped slag, among which the most important stage is the bosh slag.
高炉造渣过程经历初渣、炉腹渣、风口渣和终渣等几个阶段，其中对高炉强化最重要的阶段是炉腹渣。
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.
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。
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