キュポラの塩基性操業に関する研究

―主としてその熔解条件とスラッグ・コントロールについて―

抄録

  During the last several years, of many fundamental and practical experiments about the combustion and slag control of basic melting, the original process for the basic melting has been successfully developed, using 650mmφ dolomite lined basic cupola, which enables us to secure the lower cost of metallic charge as well as cutting coke ratio than the same condition of acid melting.
  Superior features of this basic iron have been revealed in several respects, such as lower contents of inclusions, sulphur and phosphorus, and better adaptability in making the nodular graphite iron as well as for the general structural use.