檢視焦煤的原始碼

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中文名；焦煤

外文名；coking coal

又称；冶金煤
 
属于；烟煤或次烟煤

分类；干燥无灰基挥发分Vdaf=10%～28%

分布；河北峰峰二矿、山西古交的西曲
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'''焦煤'''（coking coal）也称冶金煤，又名主焦煤。是中等及低挥发分的中等粘结性及强粘结性的一种[[烟煤]]，焦煤在中国煤炭分类国家标准中，是对煤化度较高，结焦性好的烟煤的称谓。
焦煤是中等变质烟煤。Romax为1.35%，由于粘结性强，能炼出强度大、块度大、强度高、裂纹少的优质焦碳，是炼焦的最好[[原料]]。
焦煤单独炼焦时收缩度小，[[膨胀]]压力大，不易从炼焦炉中推出，而且易损坏焦炉，所以炼焦时必需给焦煤中配入适量的[[气煤]]、 肥煤或瘦煤等，以改善操作条件，提高焦炭质量，并可扩大炼焦用煤资源。<ref>[https://finance.sina.com.cn/futures/quotes/JM0.shtml 焦煤2209(JM0)期货行情,新闻,报价_新浪财经 ],新浪网 , 2020年3月17日</ref>