As the key units to produce chemical raw materials and clean fuels in the oil refinery, the catalytic cracking unit and hydrogenation cracking unit directly influence the economic benefit of the oil refinery. The progress on high-output chemical raw material production technology, clean gasoline production technology and hydrogenation cracking technology in the two units are introduced in this paper.%干法乙炔发生技术的全面推广运用势在必行,符合国家节能减排产业政策。介绍了干法乙炔发生工艺的进展情况及在实际运用过程存在的不足。
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