重油催化裂化装置烟气深度脱硫除尘除雾技术改造效果分析  

Analysis on Effect of Deep Desulfurization,Dust Removal and Mist Removal Technology for Heavy Oil Catalytic Cracking Unit Flue Gas

作　　者：潘涛[1] 周燕强 李欣[2] PAN Tao;ZHOU Yan-qiang;LI Xin(SINOPEC Guangzhou Branch,Guangdong Guangzhou 510700;SINOPEC Dalian(Fushun)Petrochemical Research Institute,Liaoning Dalian 116318,China)

机构地区：[1]中国石油化工股份有限公司广州分公司,广东广州510700 [2]中国石化大连(抚顺)石油化工研究院,辽宁大连116318

出　　处：《广州化工》2022年第14期161-166,共6页GuangZhou Chemical Industry

摘　　要：催化裂化再生烟气含有NO_(x)、SO_(2)、粉尘等污染物,是炼化企业主要的大气污染物排放源。重油催化裂化装置因掺炼渣油、溶剂脱沥青油等原料,烟气污染物排放是常规催化裂化的2~3倍。广州分公司重油催化烟气脱硫除尘装置投产以来,存在运行末期脱硫塔压降较大;烟囱排放烟气中带水;烟囱冷凝水pH值在3左右,烟囱存在腐蚀;烟囱附近地面落有白灰产生等现象。为解决以上问题,对脱硫塔进行了改造,实现烟脱排放烟气进一步的深度脱硫除尘除雾。The catalytic cracking regenerated flue gas contains NO_(x),SO_(2),dust and other pollutants is the main source of air pollutants in refining and chemical enterprises.Especially the heavy oil catalytic cracking unit blending heavy raw materials,the emission of flue gas pollutants is 2 to 3 times that of conventional catalytic cracking.Since the heavy oil catalytic flue gas desulfurization and dust removal device of Guangzhou Branch has been put into operation,there are phenomena that consist a large pressure drop in the desulfurization tower at the end of the operation,the flue gas discharged from the chimney contains water,pH value of the condensed water in the chimney is about 3,and the chimney is corroded.In order to solve the above problems,the desulfurization tower was modified to realize further deep desulfurization,dust removal and fog removal of flue gas discharged from flue gas removal.

关 键 词：重油催化裂化 烟气 除尘除雾 技术改造 

分 类 号：TE991.1[石油与天然气工程—石油机械设备]