中国石化集团公司洛阳石化分公司140万t/a同轴式重油催化装置反再系统主体设备,因设备老化、衬里磨损、料腿堵塞等问题,需在停工期间完成沉降器粗旋系统及再生器旋风系统的更换。根据现场施工环境及工期要求,采用沉降器封头与4台单级旋风分离器进行整体保护性拆卸,对沉降器左右粗旋及大过渡段、汽提段、待生立管及一二级旋风系统拆除更换后恢复的施工方案,不仅大大节省了装置的停工检修时间,而且保证了两器内件安装一系列苛刻技术指标达到要求,取得了良好的效果。 SINOPEC Luoyang Petrochemical Company 1.4 million t / a Co-axial heavy oil catalytic cracking unit re-system main equipment, due to equipment aging, lining wear and tear, leg blockage and other issues need to be completed during the shutdown settler rough spin system and regeneration Tornado system replacement. According to the site construction environment and the requirements of the construction period, the head of the settler and the four single-stage cyclones are used for the overall protective disassembly. The rough and big transition sections of the settler, the stripping section, the standpipe riser, The cyclone removal and replacement after the resumption of the construction program, not only greatly saves the equipment downtime maintenance, but also to ensure the installation of a two-piece of a series of harsh technical specifications to meet the requirements and achieved good results.