火电厂检修规程

本文格式为Word版下载后可任意编辑和复制第第页火电厂检修规程

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前言

本标准是依据国家电力公司《电业平安工作规程(热力和机械部分)》、《火力发电机组检修规程》、《防止电力生产重大事故二十五项重点要求》、《电力建设施工及验收规范（脱硫篇）》和国家经贸委《检修导则》等、设备制造厂技术要求，****公司管理制度中有关规定编写而成。

本标准规定了检修人员在检修过程中检修处理问题的方法过程中处理问题的方法，杜绝违章作业，保证员工在电力生产活动中的人身平安。本标准由*******公司设备部编写。

本标准由******公司平安生产管理部归口。

本标准起草：本标准初审：本标准审定：本标准批准：

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文件目录

前言·····················································································································································Ⅰ1范围·················································································································································12设备概况··········································································································································13设备简介··········································································································································14增压风机··········································································································································25石灰石浆液制备系统主要设备············································································································25.1设计原则·········································································································································25.2石灰石粉贮仓···································································································································25.3石灰石浆液箱···································································································································26.1石灰石-石膏湿法烟气脱硫原理·······································································································26.2汲取塔技术规范······························································································································26.3结构概述··········································································································································36.4FGD的检修···································································································································36.4.1喷淋区域检查································································································································36.4.2汲取塔浆池的检查检修··················································································································36.4.3除雾区的检查································································································································46.4.4检修质量标准································································································································47真空皮带脱水机·································································································································57.1真空皮带脱水机工作原理·················································································································57.2真空皮带脱水机的结构···················································································································57.3设备技术规范···································································································································57.4真空皮带脱水机的检修····················································································································67.4.1脱水机架构、脱水皮带支撑的检修·······························································································67.4.2头部滚筒、尾部滚筒、滤布返回滚筒、滤布支撑滚筒的检修·······················································67.4.4真空槽和密封的检修·····················································································································67.4.5滤布的检修····································································································································77.4.6滤布与滤饼冲洗装置的检修··········································································································77.4.7驱动装置减速机检修·····················································································································77.4.8真空泵的检修································································································································78旋流器················································································································································88.1旋流器的工作原理····························································································································88.2旋流器的结构···································································································································98.3设备技术规范···································································································································98.4FC40-5-1/A-D/8废水旋流器的检修······························································································108.5VV100-8-1型分级旋流器的检修····································································································108.6旋流子常见故障及处理方法···········································································································119布袋除尘器·······································································································································149.1布袋除尘器工作原理······················································································································149.2布袋除尘器的结构··························································································································149.3设备技术规范·································································································································149.4布袋除尘器滤布袋的安装···············································································································15

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9.5布袋除尘器常见故障及处理方法····································································································1510搅拌器············································································································································1710.1搅拌器结构··································································································································1710.2型式及型号··································································································································1710.3搅拌器的检修·······························································································································1710.3.1拆卸步骤····································································································································1710.3.2回装安装步骤···························································································································1711汲取塔循环泵·································································································································1711.1泵的作用·······································································································································1711.2泵的结构·······································································································································1711.3设备技术规范·······························································································································1811.4600DT—A82型再循环泵的检修前预备························································································1811.5拆卸的预备···································································································································1811.6拆卸··············································································································································1911.7检查··············································································································································2011.8重新装配·······································································································································2011.8.1轴承的重新装配·························································································································2011.8.2填料箱盖的装配·························································································································2111.8.3锥形密封腔的装配·····················································································································2111.8.4动力密封的装配·························································································································2111.8.5开式叶轮的安装·························································································································2211.8.7后拔出组件的安装·····················································································································2211.9常见故障及处理····························································································································22

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1范围

本标准规定了****厂2×210MW燃煤供热机组烟气脱硫系统设备简介和增压风机、汲取塔、真空皮带脱水机、旋流器、布袋除尘器、搅拌器、单级离心泵、立式长轴泵等设备的结构、工作原理、技术规范、检修工艺及质量标准等。

本规程适用于脱硫系统设备的检修。2设备概况

****厂2×210MW燃煤供热机组，根据环保部门要求进行烟气脱硫。2×210MW燃煤机组脱硫装置布置于两台