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循环流化床锅炉(CFB锅炉)运行规程.doc

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循环流化床锅炉(CFB锅炉)运行规程.doc

220t/h循环流化床锅炉运行规程(试行)热电有限公司二零零三年十月前言本规程根据各设备制造厂家产品使用、维护说明书及现场使用有关规定和国家电力公司的有关标准,结合50MW汽轮发电机组设备和系统的运行实践编写而成。下列人员应掌握、熟悉本规程的相关内容总经理、副总经理、技术总监、生产部经理、生产部经理助理、生产部各主管、值长、值长助理、控制员、巡检工程师。本规程自颁布之日起执行。如果大家在学习和执行的过程中有补充改进建议,请反馈给生产部,使本规程得到不断的完善。2003年10月26日附加说明批准审定审核初审编写1目录1锅炉设备系统简介...............................................................................................................11.1锅炉设备规范及特性.......................................................................................................................................11.2燃料特性..............................................................................................................................................................11.3灰渣特性..............................................................................................................................................................21.4石灰石特性.........................................................................................................................................................21.5汽水品质..............................................................................................................................................................31.6锅炉计算汇总表................................................................................................................................................31.7炉膛水冷壁.........................................................................................................................................................61.8高效蜗壳式汽冷旋风分离器..........................................................................................................................71.9汽包及汽包内部设备.......................................................................................................................................71.10燃烧设备..............................................................................................................................................................81.11过热器系统及其调温装置..............................................................................................................................91.12省煤器..................................................................................................................................................................91.13空气预热器.......................................................................................................................................................101.14锅炉范围内管道..............................................................................................................................................101.15吹灰装置............................................................................................................................................................101.16密封装置............................................................................................................................................................101.17炉墙....................................................................................................................................................................111.18膨胀系统............................................................................................................................................................112锅炉辅助设备及运行...........................................................................................................112.1转机运行通则...................................................................................................................................................112.2引风机及电机...................................................................................................................................................132.3高压流化风机及电机.....................................................................................................................................142.4一次风机及所配电机.....................................................................................................................................142.5二次风机及所配电机.....................................................................................................................................162.6电子称重给煤机..............................................................................................................................................172.7电锅炉................................................................................................................................................................172.8冷渣器................................................................................................................................................................192.9MGB410XN系列埋刮板输送机...................................................................................................................212.10ZBT系列重载板链斗式提升机...................................................................................................................212.11冷渣系统启停顺序..........................................................................................................................................213.锅炉的烘炉及试验............................................................................................................223.1烘炉....................................................................................................................................................................223.2锅炉冷态空气动力场试验............................................................................................................................233.3MFT主燃料跳闸试验....................................................................................................................................233.4OFT试验...........................................................................................................................................................243.5锅炉水压试验...................................................................................................................................................253.6安全门校验.......................................................................................................................................................264锅炉机组的启动.................................................................................................................2724.1禁止锅炉启动的条件.....................................................................................................................................274.2锅炉启动前的检查和准备............................................................................................................................274.3锅炉上水............................................................................................................................................................284.4投入锅炉底部加热..........................................................................................................................................284.5锅炉吹扫............................................................................................................................................................294.6锅炉冷态启动投油及升温、升压...............................................................................................................294.7投煤....................................................................................................................................................................304.8热态启动............................................................................................................................................................304.9锅炉启动过程中的注意事项........................................................................................................................315锅炉正常运行的调整..........................................................................................................315.1锅炉调整的任务..............................................................................................................................................315.2运行主要参数的控制.....................................................................................................................................315.3负荷调节............................................................................................................................................................325.4水位调节............................................................................................................................................................325.5汽压调节............................................................................................................................................................325.6汽温调节............................................................................................................................................................325.7床温调节............................................................................................................................................................335.8床压调节............................................................................................................................................................335.9NOX、SO2排放浓度调节..............................................................................................................................345.10配风调节............................................................................................................................................................345.11其他....................................................................................................................................................................346锅炉停炉............................................................................................................................346.1正常停炉............................................................................................................................................................346.2停炉热备用.......................................................................................................................................................356.3停炉后的冷却...................................................................................................................................................356.4停炉注意事项...................................................................................................................................................366.5锅炉停炉保养...................................................................................................................................................367锅炉机组的典型事故处理..................................................................................................377.1事故处理总原则..............................................................................................................................................377.2紧急停炉............................................................................................................................................................377.3申请停炉............................................................................................................................................................387.4主燃料切除(MFT).....................................................................................................................................387.5床温过高或过低..............................................................................................................................................397.6床压高或低.......................................................................................................................................................407.7锅炉缺水............................................................................................................................................................407.8满水事故............................................................................................................................................................417.9水冷壁爆管.......................................................................................................................................................417.10过热器爆管.......................................................................................................................................................427.11省煤器泄漏.......................................................................................................................................................427.12床面结焦............................................................................................................................................................437.13烟道再燃烧.......................................................................................................................................................437.14流化不良............................................................................................................................................................4437.15骤减负荷............................................................................................................................................................447.16J阀回料器堵塞................................................................................................................................................457.17厂用电中断.......................................................................................................................................................457.18其他....................................................................................................................................................................458电除尘器运行规程..............................................................................................................458.1电除尘器设备概述..........................................................................................................................................468.2电除尘器设备规范..........................................................................................................................................468.3电除尘器整机启停..........................................................................................................................................468.4运行中的检查与维护.....................................................................................................................................488.5电除尘器综合性故障的分析与处理...........................................................................................................499空压机运行规程.................................................................................................................509.1空压机技术规范..............................................................................................................................................509.2空压机的运行...................................................................................................................................................529.3空气净化装置...................................................................................................................................................57附图锅炉冷态启动曲线......................................................................................................59洛阳华润热电有限公司锅炉运行规程11锅炉设备系统简介1.1锅炉设备规范及特性1.1.1锅炉型号为UG220/9.8M5型高温高压、单汽包横置式、单炉膛、自然循环、全钢架π型布置循环流化床锅炉。与国产CC50/8.83/1.3型汽轮机和WZ18z047LLT型发电机配套。制造厂家无锡华光锅炉股份有限公司。制造日期2002年11月。1.1.2主要工作参数额定蒸汽温度540℃额定蒸汽压力(表压)9.81Mpa额定蒸发量220t/h最大连续蒸发量(BMCR)240t/h给水温度215℃锅炉排烟温度136℃锅炉计算热效率90.16锅炉保证热效率89.56燃料消耗量30.9t/h石灰石消耗量1.5t/h空气预热器进风温度20℃一次热风温度207℃二次热风温度201℃一、二次风量比6040排污率≤2循环倍率25~30锅炉飞灰份额70脱硫效率(钙硫摩尔比为2.3时)≥901.2燃料特性名称符号单位数值设计煤种校核煤种1校核煤种2校核煤种3收到基低位发热值Qnet,arKJ/kg20310222901609018160全水分Mar%9.116.052.617.10空气干燥基水分Mad%0.721.610.861.38干燥无灰基挥发分Vdaf%7.267.7824.968.31收到基灰分Aar%28.8925.1747.8832.92收到基碳Car%57.0762.3041.6051.67收到基氢Har%1.391.322.21.07收到基氧Oar%2.311.923.65收到基氮Nar%0.550.370.61收到基全硫Sar%0.682.871.450.48灰变形温度DT℃140013401290灰软化温度ST℃140013801370灰熔化温度FT℃140014001400

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