电厂2X600MW机组湿法脱硫培训教材.doc

电厂2×600MW机组脱硫系统 培训教材 主编：张云峰 主讲：张云峰 长沙理工大学能源与动力学院 2006年11月 目 录 第一章 常规脱硫技术概述··································4 第二章 2×600MW机组脱硫技术描述················9 第一节 工艺描述················································9 系统描述·········································10 2.2.1 FGD系统构成·····································10 2.2.2 石灰石浆液制备系统·······························11 2.2.3 烟气系统········································15 2.2.4 SO2吸收系统·····································16 2.2.5 石膏排空和脱水系统·······························17 2.2.6 工艺水及废水处理系统·····························20 2.2.7 杂用气和仪用压缩空气系统··························23 第三节 工艺设计说明·····································24 第四节 正常运行程序·····································29 第五节 启动和停运方式···································29 第六节 变负荷运行说明···································34 第七节 装置和设备保护措施································35 第八节 系统检修维护·····································36 第三章 机械设备描述·····································43 第一节 吸收塔··········································43 第二节 喷淋系统········································43 第三节 吸收塔搅拌器·····································44 第四节 除雾器··········································44 第五节 吸收塔浆液循环泵··································45 第六节 氧化风机·········································45 第七节 烟气-烟气换热器···································46 第八节 增压风机·········································47 第九节 挡板门···········································48 第十节 真空皮带脱水机····································49 第十一节 干磨机·········································50 第十二节 石膏浆排出泵····································51 第十三节 皮带称重给料机··································51 第十四节 起重机和电动葫芦································52 附录1 脱硫设备清单参数·································54 第一节 机械设备清单参数··································54 第二节 脱硫废水工艺设备清单参数···························59 第三节 消防设备清单参数·······································61 第四节 给排水设备材料清单参数····························61 第五节 暖通设备清单参数··························