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1、 2660 MW SUPER CRITICAL COAL FIRED THERMAL POWER PROJECTNCCPPL, NELLORE, ANDHRA PRADESH (INDIA)印度纳佳印度纳佳 2660 MW 超临界燃煤热电项目超临界燃煤热电项目Boiler Steam Blowing Commissioning Procedure锅炉蒸汽吹管调试措施锅炉蒸汽吹管调试措施NO.: CNTIC-TEPC-TS-JWZ009-2015 RAV:APROJECT: 2660 MW SUPER CRITICAL COAL FIRED THERMAL POWER PROJECTDOCUME
2、NT TITLE: Boiler Steam Blowing Commissioning ProcedureDOCUMENT NO.: CNTIC-TEPC-TS-JWZ009-2015 REV. NO. : AENDORSEMENTSLiu YunqianREV. NO.DATEDESCRIPTIONPREP. BYSIGN.(INITIAL)REVW. BY SIGN.(INITIAL)APPD BY SIGN.(INITIAL)目录目录 Content1 工程概况工程概况 Project description.11.1 工程概况工程概况 Project description.11.2
3、 锅炉主要设计参数锅炉主要设计参数 Boiler design capacity and parameter.11.3 锅炉给水及蒸汽流程锅炉给水及蒸汽流程 Boiler feed-water and steam flow .21.4 蒸汽（水冲洗）吹扫范围蒸汽（水冲洗）吹扫范围 the range of steam blowing(water flushing) .22 编制依据编制依据 Basis of Compilation.33 编制目的编制目的 purpose of compilation.33 组织与分工组织与分工 Organization division.34 调试前应具备的条
4、件和准备工作调试前应具备的条件和准备工作 Preparations and Conditions before commissioning .54.1 机务应具备的条件机务应具备的条件 the condition of mechanical.54.2 电气、热控应具备的条件电气、热控应具备的条件 the condition of electrical, C High pressure and low pressure bypass system includes steam control valve, de-superheated water control valve, shut off
5、valve and control devices.1.2 锅炉主要设计参数锅炉主要设计参数 Boiler design capacity and parameter单位 UnitBMCR 工况 BMCR LoadTMCR 工况 TMCR Load 过热蒸汽： Superheated steam 过热蒸汽流量 Superheated steam flowt/h20001884.33Indian NCC 2660MW Super-critical Coal-fired Power PlantPage 2 of 27过热器出口蒸汽压力 SH outlet steam pressureMPa.g25
6、.925.76过热器出口蒸汽温度 SH outlet steam temperature571571再热蒸汽：Reheat steam再热蒸汽流量 Reheat steam flowt/h1651.611561.55再热蒸汽进口压力 Reheat steam inlet pressureMPa.g4.9504.680再热蒸汽出口压力 Reheat steam outlet pressureMPa.g4.7004.444再热蒸汽进口温度 Reheat steam inlet temperature325.8320.3再热蒸汽出口温度 Reheat steam outlet temperature
7、603603主给水压力 Main feedwater pressureMPa.g29.529.5给水温度 Feedwater temperature284.8280.91.3 锅炉给水及蒸汽流程锅炉给水及蒸汽流程 Boiler feed-water and steam flow 给水及过热蒸汽系统：给水及过热蒸汽系统：给水管路省煤器水冷壁入口集箱水冷壁中间混合集箱水冷壁出口集箱混合集箱汽水分离器，水至储水罐疏水扩容器凝汽器；蒸汽至顶棚管过热器后竖井/水平烟道包墙低温过热器屏式过热器高温过热器。 Feed-water and superheat steam system: feed-water
8、pipe economizer the inlet header of water-wall the middle mix header of water-wall the outlet header of water-wall mix header separator, the water to storage water tank drain flashing tank/condenser/; the steam to roof superheater backpass/ horizontal flue gas duct steam cooled wall low temperature
9、superheater platen superheater high temperature superheater.再热蒸汽系统：再热蒸汽系统：高压缸排汽竖井前烟道的低温再热器水平烟道内的高温再热器。Reheat steam system: exhaust of high pressure cylinder low temperature reheater in front flue gas duct of backpass high temperature reheater in the horizontal flue gas duct.1.4 蒸汽（水冲洗）吹扫范围蒸汽（水冲洗）吹扫范
10、围 the range of steam blowing(water flushing)1、锅炉过热器系统，主蒸汽管道；Boiler superheater system, main steam piping;2、锅炉再热器系统，冷段再热管道，热段再热管道；Boiler reheater system, cold reheat piping, hot reheat piping;Indian NCC 2660MW Super-critical Coal-fired Power PlantPage 3 of 273、机组高压旁路系统管道；The high pressure bypass pipi
11、ng of unit;4、锅炉吹灰器主汽汽源管道；The sootblower steam source piping of main steam;5、锅炉主蒸汽减温水系统的水冲洗；The water flushing of boiler main steam desuperheater system;6、锅炉再热蒸汽事故喷水系统的冲洗；The water flushing of boiler reheat steam emergency desuperheater system2 编制依据编制依据 Basis of Compilation 1）厂家资料及设计院图纸 Manufacturers
12、 document, designing institute drawings2）调试大纲 The Outline of Unit Commissioning3 编制目的编制目的 purpose of compilation新安装机组，在锅炉过热器、再热器及其蒸汽系统等系统中，不可避免会有焊渣、锈垢和其它杂物。在锅炉正式向汽机送汽前，用蒸汽吹扫的方法将这些杂物清除，以确保机组的安全、经济运行。In the supereheater, reheater and the relative steam system of new erection boiler, there are unavoida
13、ble have some rusty, welding slag and other sundries. Before the boiler supply the steam to turbine, steam blowing will clean the sundries to ensure the safety and economical of unit running. 检查锅炉首次点火前的各项试验工作。The work and test before first light up will be checked.首次进行锅炉点火工作，对锅炉进行热态的全面检查。Carry out the work of boiler first light up, and take the full check of boiler at hot state.为了指导锅炉吹管工作的顺利进行，保证与锅炉吹管有关的系统及设备能够安全正常投入运行，制定本措施。In order to guide t
