Oil forming shale is used as raw material,bonding with existing production technology condition of Fushun Dahuofang Cement Co. ,Ltd. The raw blending system is improved,and the high-grade cement is researched,which is produced in raw calcinations method prepared with oil forming shale and the fly ash is used as activity mixing material. The secondary resource of fly ash is used,which reduces the cement cost,decreases the pollution of fly ash and improves environment,develops cyclic economy,realizes the sustain...

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