一、前言在厂党委的领导下,我厂组成了以工人为主体的三结合的炉后攻关组,继1973年以后,再次进行了三角形流钢砖的试验工作。我厂现在下注法浇注时和使用的方形流钢砖是五十年代的产物。这种砖形存在很多弊病,特别是在质量上表现为漏钢几率大;在下砖工艺上给工人带来繁重的体力劳动,其中挑沟工序尤甚。整模老工人 I. Preface In the factory party committee under the leadership of our factory composed of the workers as the main body of the three combination furnace after the attack group, after 1973, once again Triangle steel brick trial work. I plant now betting method and the use of square flow brick is the product of the fifties. There are many shortcomings of this brick-shaped, especially in the quality of the leakage of steel showed a large probability; in the next brick process to bring heavy manual labor, which pick the trench process is even worse. Whole mold old worker