我们平常用来炼焦的是烟煤,无烟煤与褐炭是不能炼焦的。是不是所有的烟煤都可以炼焦呢?大致的说,炼焦用煤需要有一定的物理性质,这个性质就是煤的粘结性。所谓煤的粘结性,是说它们经过炼焦炉中的处理以后;焦炭必须能粘结 What we usually use to coke is bituminous coal, and anthracite and brown coal cannot be coke-making. Is it possible that all bituminous coal can be coked? In a nutshell, coking coal needs certain physical properties. This property is the cohesiveness of coal. The so-called cohesiveness of coal means that they have been treated in a coke oven; coke must be able to bond