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1963年2月,我厂所产焦炭由于煤质变化与主观上的一些原因,其强度下降了十多公斤。因而严重地影响钢铁厂的生产。为了迅速提高和稳定焦质,我们学习了包钢分段熄焦的经验。自4月10日起,陆续分批进行试验,共做了100多次,使焦炭的强度约提高了十公斤左右。试验初期,焦炭水份较高(约10％左右),后来经过努力,采取措施,逐步攻克了这关键,使水份稳定在4％以下。兹就分段熄焦试验的几个问题讨论如下: (一)不同熄焦方法对强度的影响 1.四种熄焦方法的比较:
In February 1963, due to changes in coal quality and subjective reasons, the strength of coke produced by our factory decreased by more than 10 kilograms. Thus seriously affecting the production of steel mills. In order to rapidly improve and stabilize the coke quality, we have learned the experience of sub-coke quenching. Since April 10, one after another batch of experiments, a total of more than 100 times, the coke strength increased by about 10 kg. At the beginning of the experiment, the coke moisture was high (about 10%), and after hard work, measures were taken to gradually overcome this problem and make the water stable below 4%. Here are some of the questions about the stage quenching test discussed below: (a) the impact of different quenching methods on the strength of 1. Comparison of four quenching methods: