布袋除尘器安全操作规程

烟气除尘工序操作规程编制部门：生产准备部2015－xx－xx发布2015-xx－xx实施制度修编控制表制度名称锅炉工序操作规程制度编号GTSWJS008A0版本编号签发日期下次复核日期修编人初审人审定人审批人A第次修改说明序号修改说明签字栏签字日期审批审定初审编写1工艺技术规程............................................................................................................11.1装置概况····················································································11.2工艺指标····················································································62操作指南....................................................................................................................92.1岗位职责····················································································92.2岗位范围····················································································93开工规程..................................................................................................................103.1除尘及输灰系统开工统筹图··························································103.2布袋除尘器开工操作···································································103.3输灰系统开工操作······································································144停工规程..................................................................................................................204.1除尘及输灰系统停工统筹图··························································204.2布袋除尘停工操作······································································204.3输灰系统停工操作······································································215专用设备操作规程..................................................................................................236基础操作规程..........................................................................................................247事故处理预案..........................................................................................................257.1事故处理原则············································································257.2事故处理预案············································································257.3事故处理预案演练规定································································358操作规定..................................................................................................................378.1定期操作规定···········································································378.2长期操作规定···········································································389仪表控制系统操作法..............................................................................................4110安全生产及环境保护............................................................................................4210.1安全知识·················································································4210.2安全规定·················································································6310.3各级人员岗位安全防火责任制······················································8810.4本装置主要危险源及安全防护······················································9311附录........................................................................................................................9511.1设备明细表··············································································9511.2设备润滑一览表······································································10211.3主要设备结构图及流程图··························································10211.4装置平面布置图······································································10211.5安全阀定压值·········································································10211.6控制参数报警值······································································10211.7常用基础数据·········································································10211工艺技术规程1.1装置概况1.1.1装置简介1.1.1.1装置概况烟气除尘采用锅炉低压长袋脉冲袋式除尘器。除尘器由本体钢结构及过滤系统、清灰系统、灰斗系统、保护系统控制系统及其他部分组成。保护系统有盘路装置与预涂灰装置、温度联锁、提升阀与旁通阀联锁、压差联锁、定时联锁、料位联锁。测量信号主要有除尘器进、出口压差及温度信号，灰斗料位信号，设备启停信号、设备运行电流信号、电磁脉冲阀故障检测，压缩空气系统故障检测等。主要控制信号启动令、停车令、定时/定压差切换令、自动/手动切换令、声光报警等。输灰系统以浓相气力输送泵系统（仓泵系统）、供气系统、输灰管道系统、灰库系统组成。保护装置有吹堵装置，该吹堵装置有效地防止堵管现象的出现。测量信号主要有气源压力信号、泵内压力信号、灰库料位信号、设备启停信号、设备运行电流信号等。主要控制信号有启动令、停车令、自动/手动切换令、声光报警等。这些检测信号和控制信号大多数为开关量信号。1.1.1.2布袋除尘器组成a进出口风管a)进风管安装在灰斗的进风分配系统，进风口有手动调节阀将烟气导入除尘器每个过滤室，烟气通道及进风管道的主要考虑将箱体、过滤室及系统阻力降至最小。b)平衡各室间或同一室内各滤袋之间气流和粉尘分配，尽可能2减少进风管内灰尘的沉积现象。b上箱体、中箱体a)上箱体和中箱体由花板分隔，上箱是净气室箱体，包括喷吹系统、提升阀、旁通阀、仓顶检查门等。b)中箱体是过滤室，由滤袋组件滤袋固定框固定在花板上。含尘气体在滤袋外洁净空气在滤袋内袋口向上，采用了弹簧涨圈式装置固定在花板孔上，中箱体和灰斗相连接，中间无隔板，中箱体灰直接落入灰斗。c喷吹系统a)喷吹装置包括仪表、气源、空气管道、分气包、电磁脉冲阀、喷吹管道等，每排滤袋上有一根喷吹管，通过电磁脉冲阀与气包相连接。b)脉冲喷吹时间较短，是以双膜片阀来达到反应时间。平时分气包内的压缩空气压迫着触发膜片和主膜片使电磁脉冲阀处于关闭状态，喷吹时在电磁阀的激励下，触发膜片上产生压差，膜片抬起主膜片一侧空气泄出，即空气包内压缩空气进入喷吹管，在喷吹管的引导下进入滤袋，形成滤袋相对滤笼的突然径向变形，使滤袋表面积聚的灰尘脱落。电磁脉冲阀在不激励状态时，空气泄出时关闭，气压将膜片复位。至于提供的气压应在0.2——0.4MPa之间，压力设置的越低对滤袋磨损越小。所以在保证清灰效果的前提下，应尽量将气压调至最小。d提升阀提升阀的启闭动作由一个作用气缸提供，受单电控电磁阀控制，气缸设置气压不大于0.4MPa，提升阀位置由行程限位开关控制和显3示。在运行中离线清灰时，只需把离线提升阀关闭，该阀是唯一关闭的阀。除尘器在工作状态下需要离线维护时，必须将提升阀关闭并锁定，同时将灰斗进风口的手动调节阀关闭方可进行工作。e旁通阀锅炉刚启动时，由于烟温较低，未充分燃烧的烟气含油分较高，这时应关闭进风门而开启旁通阀，这样可有效防止滤袋沾油。当进风温度达到100℃以上时，开启进风门关闭旁通阀。在运行中当烟气温度持续过高达到进风温度190℃以上时，旁通阀自动打开切断过滤通道，这也是保护滤袋最有效地措施。f滤袋组件g灰斗a)由灰斗体、检查门、手动插板阀、灰阀、空气炮、灰斗加热器、捅灰孔组成。b)灰斗中设计了进风导体板和隔板，最大限度的减少了紊流和二次扬尘。c)灰斗检查门：即人孔用于对灰斗内部的滤料底部的检查。开启