The coal and limestone storage yard must have a bottom impermeabilization system. This system may be constituted by a clay layer, a geomembrane layer, or other impervious material.
煤料和石灰石存放场必须有底部防渗系统。该系统可由粘土层、地质处理用膜层、或其他防渗材料组成。
The clean coal, the key raw material of the coking plant is stored mainly in open coal yard. Such coal autoignition is a big hidden trouble to the coal storage.
洗精煤是焦化厂的主要原料，多在煤场露天存放，煤的自燃性对焦化厂储煤形成了很大的隐患。
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