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在伟大领袖和导师毛主席“抓革命,促生产”方针的指引下,我厂广大干部工人奋发图强,自力更生,克服了重重困难,多年来对我厂的两台冲天炉进行了反复的改造。过去,我厂的冲天炉是直线炉膛,冶风大风口,75年逐步改造成为曲线炉膛热风多排小风口结构,(?)年,炉形已基本稳定。一年多来,熔炼效果良好,总焦比在1:12左右,铁水温度稳定于1380°～1410℃,努力贯彻了“多快好省”的原则。现将我厂1号炉结构参数和操作规程介绍如下:
Under the guideline of “catching the revolution and promoting production” by Chairman Mao, the great leader and teacher, under the guideline of “grasping the revolution and promoting production”, the cadres and workers in our factory make concerted efforts to overcome difficulties through years of hard work. Over the years, the two cupola factories in our factory have been repeatedly renovated. In the past, the cupola of our factory was a straight-line furnace with a large wind outlet. After 75 years, it gradually transformed into a multi-row hot-air outlet structure with a curved furnace. The furnace shape was basically stable. Over the past year, the smelting effect is good, with a total coke ratio of about 1:12. The hot metal temperature is stable at 1380 ° ~ 1410 ° C, and the principle of “more and more economical” is implemented. Now I plant No. 1 furnace structure parameters and operating procedures are as follows: