高炉へのオイルコークス・重油スラリーの均等吹込み

概要

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For the purpose of utilization of the residual oil as a new energy resource for ironmaking, the development of an injecting technique of petroleum coke-oil slurry into a blast furnace was undertaken. In order to establish this technique, the method of uniform injection of the slurry through the tuyeres was studied by the use of the pilot plant with a circulating loop. The petroleum cokes used in this study were the delayed coke and the fluid coke. This development was followed by the demonstration plant test at No. 1 blast furnace of Kobe Works which was provided with the new injection system designed on the basis of pilot plant test results. This slurry injection test through 4 tuyeres was carried out for about 4 months. As a result, it was confirmed that the continuous injection of 50% slurry without additives was possible for a long period of time as easily as heavy oil and the errosion of pipelines was not a problem practically. The most important result for blast furnace operation was that the new injection system with a circulating loop made possible a uniform injection of slurry through each tuyere.
社団法人日本鉄鋼協会の論文
1988-09-01