裂解气压缩机透平冷凝器泄漏对超高压蒸汽的影响及处理措施  

INFLUENCE OF TURBINE CONDENSER LEAKAGE OF CRACKING GAS COMPRESSOR ON QUALITY OF ULTRAHIGH PRESSURE STEAM AND THE TREATMENT MEASURES

作　　者：王文 代川 张志飞 蒋亮星 康鸿才 Wang Wen;Dai Chuan;Zhang Zhifei;Jiang Liangxing;Kang Hongcai(PetroChina Dushanzi Petrochemical Company,Dushanzi,Xinjiang,P.C.833699)

机构地区：[1]中国石油天然气股份有限公司独山子石化分公司,新疆独山子833699

出　　处：《乙烯工业》2025年第1期61-64,I0002,共5页Ethylene Industry

摘　　要：裂解气压缩机透平冷凝器(E-131)的蒸汽凝液中二氧化硅分析指标超标且偏大,不仅造成锅炉给水总管中的二氧化硅指标达到高限值,且直接导致6号、7号裂解炉汽包所产超高压蒸汽二氧化硅指标大于20μg/L,表明E-131内部管束有微量泄漏,管程中的循环水少量进入壳程凝液中。将E-131凝液从锅炉给水系统切出,切入临时新增管线并直接送至公用工程装置闪蒸罐,对E-131进行检修消漏后,其凝液中二氧化硅指标正常。The silica analysis index of steam condensate in condenser(E-131)of cracking gas turbine is high and exceeds the standards,not only causing the silica index in the boiler water supply main pipe to reach the high limit,but also directly resulting in the silica index of ultrahigh pressure steam produced by No.6 and No.7 furnace steam drum higher than 20μg/L.This indicates that there is trace leakage in the internal tube bundle of E-131 and a small amount of circulating water in the tube side enters the condensate in the shell side.The condensate in E-131 is cut out of the boiler water supply system,cut into the temporary new pipeline and directly sent to the flash tank of the utilities.After the maintenance and leakage elimination of condenser E-131,the silica index of the condensate returned to normal.

关 键 词：透平冷凝器泄漏 超高压蒸汽品质 二氧化硅超标 处理措施 

分 类 号：TQ2[化学工程—有机化工]