锅炉烟气脱硫设备技术方案(2)

锅炉烟气脱硫设备技术方案

目 录

1总则 ········································································································································· 1

1.1项目总论 ······················································································································ 1 1.2电厂提供的相关参数 ·································································································· 1 1.3技术规范和标准 ·········································································································· 2 1.4主要设计原则 ·············································································································· 3 2脱硫工艺比较及确定 ············································································································· 4

2.1主要脱硫工艺的比较 ·································································································· 4 2.2湿式石灰法脱硫工艺的特点 ······················································································ 6 3脱硫设备的选择 ····················································································································· 7 3.1脱硫设备的选择 ·········································································································· 7 3.2 PXJ高效脱硫除尘设备的技术特点 ·········································································· 8 4 2×130t/h锅炉烟气治理工艺系统流程 ··········································································· 11

4.1工艺系统流程示意图 ································································································ 11 4.2流程描述 ···················································································································· 11 5脱硫基本原理 ······················································································································· 12

5.1脱硫原理 ···················································································································· 12 5.2烟气脱水除雾原理 ···································································································· 13 6 2×130t/h锅炉烟气脱硫系统技术性能 ··········································································· 14 7脱硫系统配置 ······················································································································· 14

7.1脱硫吸收塔 ················································································································ 15 7.2烟气净化系统 ············································································································ 16 7.3烟气管道系统 ············································································································ 17 7.4脱硫剂制备系统 ········································································································ 18 7.5循环水系统 ················································································································ 19 7.6曝气氧化 ···················································································································· 20 7.7水系统管道、泵及阀门 ···························································································· 21 7.8电气控制系统 ············································································································ 22 8土建 ······································································································································· 23 8.1设计依据 ···················································································································· 23 8.2主要土建工程特征描述 ···························································································· 23 9主要经济技术指标 ··············································································································· 24 10主要供货明细 ····················································································································· 25 11投资估算 ····························································································································· 29 12运行费用及效益分析 ········································································································· 30 13施工工期 ····························································································································· 32 14质量保证及服务承诺 ········································································································· 32 15结论 ····································································································································· 33

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