摘要
甲醇制烯烃(DMTO)装置反应器及催化裂化再生器中稀相段中心有一较大的闲置空间,将三旋内置其中,二旋气体出口管直接与内置三旋筒体侧壁焊接,将含尘气直接引入内置三旋,并将内置三旋排尘管由传统的向下排出改为从顶部排出。内置三旋投资小,占地面积小,进气分配比较均匀,分离效率较高,可减少粉尘对大气的污染。三旋内置后减少了管路弯头数量,使管路压力降降低,从而降低装置能耗;其安全运行风险不高于外置独立的三旋。
The reactor in DMTO unit and the regenerator in FCCU have a lot of unused space in dilute phase. If 3rd-stage cyclone is installed in it and the gas outlet of the 2nd-stage cyclone is welded with the cylinder of the 3rd-stage cyclone,the dust-laden gas can directly flow into the 3rd-stage cyclone; The dust in the pipe can be discharged at the top of the 3rd-stage cyclone and instead of at bottom in conventional practice.The installation of internal 3rd-stage cyclone is low in investment,small in plot area requirement,high in separation efficiency and reduced in air pollution. The installation of 3rd-stage cyclone has also reduced the requirements of pipe elbows,lowered the pressure drop and minimized the energy consumption. Its risk of safe operation is no greater than that of independent external cyclone.
出处
《炼油技术与工程》
CAS
2015年第7期33-36,共4页
Petroleum Refinery Engineering
