After systematic reformed the coal injection system has met the requirement of blast furnace of Cheng Steel.
喷煤系统经过系列改造，已经满足了承钢高炉要求的喷煤要求。
The factors for affecting coke rate were discussed such as coal injection, blast temperature, silicon content and charging patterns.
同时也讨论了喷煤、风温、铁水硅含量及装料制度对焦比的影响。
The blast furnace raceway formation under the intensive coal injection by measurement of micro wave reflection gunned through a tuyere is discussed.
通过利用风口测量枪进行的微波反射测量方法讨论了大煤粉喷吹量条件下高炉风口回旋区的形成。
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