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煤岩學對煤質分類的指導

发布时间：2012-04-27 点击次数：1270次

煤是十分复杂的非均一物质。根据目前煤岩学发展程度，已能在以下四方面应用，但在目前还不能替代传统的经验配煤。

（1）煤岩的所有指标，如煤岩显微组份组成，镜质组反射率和其分布，以及焦炭显微组织组成等均可在传统煤质指标基础上对煤质和焦炭获得进一步理解。

（2）煤岩學在生産國最直接有用的是生産中經驗配煤在焦炭質量出現問題時，用經驗配煤難以找出符合實際的真實原因，但用于煤岩學的概念和方法往往能找出真實原因，並由此得出改進的方法。這是當前煤岩學在生産中最具實用意義的作用。

（3）煤岩學在煤焦領域中具有優勢的任務是能定量地預測焦炭質量。對此，國內外均已作了大量的研究工作，有的已在生産中應用，效果較佳。這一技術對合理利用煉焦煤資源和穩定焦炭質量，以提高企業的經濟效益均無疑有可靠的作用。

（4）煤岩學中，沒有如經驗配煤中所規定的氣、肥、焦、瘦的煤質概念。煤岩學煤焦領域中，首要是鏡質組含量和其變質程度；其次，絲質組的含量。因此，有的煤，不屬于在現行煉焦煤分類範疇中，如有長焰煤，但已發現其所含量鏡質組反射率與許多氣煤是相似的，其在配煤中應用，效果也相當不錯。這樣就擴大了煉焦煤資源範疇。

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