化工循环水场 - 补膜方案2009 8 10

化工循环水场补膜化工循环水场补膜方案方案Reinforceper-cleaningandper-filmingProjectforChemicalCoolingWaterPlantFREP福建联合石化2009-08-20实施Implementedon,20-August-20092FujianRefining&PetrochemicalCompanyLimited福建联合石油化工有限公司福建联合石油化工有限公司程序：补充清洗预膜Procedure：Reinforceper-cleaningandper-filmingProject程序编号ProcedureNo:FREP－PMT－006－T－装置：化工循环水场Unit:ChemicalCoolingWaterPlant版本/日期：2009-08-20实施Revision/Date:Implementedon,20-August-2009程序作者ProcedureAuthor：协调员coordinator/代表representatives签名Signature:程序审核ProcedureReviewersTechnical&PlanningSectionHead技术与规划部专业负责人MechanicalSectionHead机械设备部专业负责人HSESectionHeadHSE部专业负责人Sign:签字Date:日期(DesignatedSectionHeadfromTechnical,MechanicalHSEfunctionresponsibleallocatingresourcetosupportBusinessTeamintheOperationsManualContent)技术与规划部、机械设备部、HSE部领导应负责调拨资源以支持业务团队编制操作手册。程序负责人ProcedureOwner业务团队经理/副经理BusinessTeamManager/DeputyManager日期Date签名signature程序发起人审批ProcedureSponsor’sApproval生产部总经理/副总经理ProcessDep.DeputyGeneralManager日期Date签名signature最终批准FinalApproval生产运行总经理OperationsGeneralManager’sApproval日期Date签名signature3目录1循环水系统的基本参数循环水系统的基本参数··················································································32清洗清洗补膜补膜前的准备工作前的准备工作··················································································33清洗清洗方案方案·····································································································44补膜补膜方案方案·····································································································65过渡运行方案过渡运行方案·······························································································76其它说明其它说明·····································································································84循环水系统基本状况循环水系统基本状况目前循环水系统一些装置区域的换热器腐蚀情况比较严重。若不加以处理而继续运行，由于分散剂缓慢的将换热器中的浮锈剥离出来，将导致系统铁份和浊度长期居高，必须加大置换水量以降低系统中的铁份和浊度，正常运行的药剂耗量将比计划量成倍增加。但换热器已有的锈瘤无法去除，锈瘤部位的腐蚀将向纵深方向发展，严重时将导致换热器穿管泄漏。要彻底的清理换热器中的锈瘤，最佳办法是离线清洗，拆开换热器用高压水枪冲洗，再进行酸洗钝化。这种处理方案也可保证日常运行中KPI指标完全控制在技术协议规定范围内。在线补充清洗预膜方案只能将换热器上的浮锈和部分锈瘤清洗出来，无法在线补充清洗预膜方案只能将换热器上的浮锈和部分锈瘤清洗出来，无法清除所有锈瘤。因此在线补