1、新锅炉吹管方案Commissioning manual for boiler steam blowingNEPRI编 号(NO.)： 密 级(SECURITY)： 版 本(VERSION)： 菲律宾马利万斯2300MW燃煤电厂工程锅炉吹管调试方案Commissioning manual for boiler steam blowing of the 2300MW coal fired power project of mariveles power station in philippines中国电力工程有限公司辽宁东科电力有限公司(东北电力科学研究院有限公司)China National E
2、lectric Engineering CO.LTD (CNEEC)Northeast Electric Power Research Institute (NEPRI)2012年2月10日Feb 10, 20121 设备及系统概述1 Equipment and system菲律宾马利万斯2300MW燃煤电厂锅炉为哈尔滨锅炉厂生产的亚临界压力一次中间再热汽包炉，锅炉采用“”型布置，四角切向燃烧，平衡通风、固态排渣、露天布置、全钢构架，悬吊结构。制粉系统为正压直吹式制粉系统，配置6台沈阳施道克电力设备有限公司生产的称重式给煤机，6台由长春发电设备总厂产的中速磨煤机，每台磨的出口由四根煤粉管接至炉
3、膛四角的同一层煤粉喷嘴。 The boiler of Philippine Marie Vance 2300MW coal-fired power plant is produced by Harbin Boiler Company of china. The boiler adopt once-through -type with sub-critical pressure, Tangentially Fired, balanced draft, dry slag, steel structure, complete hanging construction. The boiler equi
4、pped with direct-fired system which including 6 sets of coal feeder and coal milled. And the outlet for each mill connected with four pulverized coal transportation pipes to four burners on the same layer根据本工程锅炉的实际情况，设计将原A层4台煤粉燃烧器改造为兼有微油点火功能的微油燃烧器。Base the real situation of the boiler, the A layer o
5、f coal burner are equipped with micro-oil ignition system 锅炉容量和主要参数The capacity and parameters of boiler锅炉最大连续蒸发量Boiler maximum continuous evaporation1097t/h过热器出口蒸汽压力Superheater outlet steam pressure17.50MPa过热器出口蒸汽温度Superheater outlet steam temperature541再热蒸汽流量Steam quality of reheater913.1t/h再热器进口蒸
6、汽压力Reheater inlet steam pressure3.779MPa再热器出口蒸汽压力Reheater outlet steam pressure3.579MPa再热器进口蒸汽温度Reheater inlet steam temperature333.1再热器出口蒸汽温度Reheater outlet steam temperature541省煤器进口给水温度Economizer inlet feed water temperature279.1煤质特性分析表Analysis of coal characteristics名称name符号Symbol单位Unit设计煤种Design
7、 coal type校核煤种Checked coal最小Min典型Typical最大Max最小Min典型Typical最大Max发热量Calorific value高位发热量 higher heat value(HHV)Qgarkcal/kg3,8004,0004,2003,9004,1004,400低位发热量 low heat value(LHV)Qnet,arkcal/kg3,4153,6153,8153,6003,7504,100哈氏可磨系数Hardgrove indexHGI556070435070 密度DensityTon/m30.800.850.900.800.850.90工业分析
8、proximate analysis收到基水分AarMar%38.040.043.0233542空气干燥机水分MadMad%25.027.030.0162328收到基灰分AarAar%1.52.03.02410空气干燥机灰分AadAad%n/an/an/a34.612空气干燥机硫SadSad%0.10.150.30.080.180.35空气干燥基挥发份VadVad%35.037.045.03541.7545空气干燥基固定碳FCadFCad%28.034.039.02835.7540元素分析Element analysis干燥基碳CdCd%68.071.575.061.870.272.7干燥基氢
9、HdHd%4.05.06.044.7882 编制依据2 Compilation basis2.1 电力行业标准DL/T5437-2009火力发电厂建设工程启动试运及验收规程Electric Power Industry Standard DL/T5437-2009 thermal power plant construction project started trial operation and acceptance of order .2.2 电力部建设协调司建质199640号火电工程启动调试工作规定Ministry of Electric Power Division of the c
10、oordinated construction of quality 1996 40 thermal power project to start commissioning rule2.3 电力部建设协调司建质1996111号火电工程调整试运质量检验及评定标准Ministry of Electric Power Division of the coordinated construction of quality 1996 No. 111 adjustment of trial operation of thermal power engineering inspection and ass
11、essment of quality standards2.4 电力行业标准DL 5009.1-2002电力建设安全工作规程(火力发电厂部分)2.5 Electric Power Industry Standard of the DL 5009.1-2002 power construction safe work procedures ( thermal power plant part)2.6 国家建设部建标2006102号中华人民共和国工程建设标准强制性条文(电力工程部分)Ministry of Construction to build the labeled 2006 No. 102
12、, the mandatory provisions of the Engineering Construction Standard of the People s Republic of China ( electrical engineering section )2.7 国家电网生2007883号国家电网公司发电厂重大反事故措施(试行)The national grid of Health 2007 883 power plants in the State Grid Corporation of the major anti- accident measures (Trial) 2.
13、8 国家电网生技2005400号国家电网公司十八项电网重大反事故措施(试行)State Grid students 2005 No. 400 , State Grid Corporation of 18 grid of major anti-accident measures (Trial)2.9 电力部电综1998179号火电机组启动验收性能试验导则Ministry of Power electric Comprehensive 1998 In 179, the thermal power units start acceptance performance test guidelines
14、. 2.10 电力部电综1998 179号火电机组启动蒸汽吹管导则Ministry of Electric Power electrical comprehensive 1998 No. 179, start steam of thermal power units blowpipe Guide2.11 中电建协工20066号电力工程达标投产管理办法In the electrical construction co- workers 2006 on the 6th power engineering standard production management approach 2.12 国家
15、电力公司国电电源200249号电力建设安全健康与环境管理工作规定State Power Corporation , State Power supply 2002 49 power construction safety and health and environmental management work rules2.13 东北电力科学研究院有限公司质量管理标准Northeast Electric Power Research Institute Co., Ltd. Quality Management Standards2.14 哈尔滨锅炉厂有限责任公司技术参考资料及锅炉相关设备厂家资
16、料Harbin Boiler Factory Co., Ltd. technical reference material and boiler related equipment manufacturers information3 调试目的及范围3. the purpose and scope of commissioning锅炉蒸汽管路吹洗的目的在于利用蒸汽产生的动能，清除在制造、运输、保管、安装过程中清理不善残留在锅炉过热器、再热器系统及蒸汽管道中的各种杂物（沙粒、石块、铁屑、焊渣、氧化铁皮及其它杂物等），防止机组运行中过再热器爆管和汽机通流部分损伤，改善机组启动后汽水品质，提高机组的
17、安全性和经济性。The purpose of boiler steam blowing is to clean the sand, stone, iron, welding slag and other solid particles inner the pipe of superheater and reheater that produced during manufacturing, transportation, storage and installation and to improve the steam quality which can eliminate the turbi
18、ne blade damage caused by poor steam quality and improve the unit safety and economic.3.1 蒸汽吹管包括如下系统：过热器及主蒸汽管道；再热器及再热器冷段和热段管道。The range includes following systems: superheater, main steam pipes, reheater, cold section and hot section pipes of reheater. 3.2 以下部位管道不进行吹管，由安装公司采用机械方法进行清理：自动主汽门后调速汽门前的导管；
19、高排逆止门前的高缸排汽管道；高压旁路管道；低压旁路管道。Pipe blowing is not carried out for pipes at following parts and these pipes are cleaned by adopting mechanical methods: Steam connecting pipes after high and middle pressure of main steam stop valve and reheater stopvalve; High cylinder steam discharge pipes at front of
20、high pressure discharge check valve; Inlet and outlet pipes of low pressure bypass; Inlet and outlet pipes of high pressure bypass; 4 调试程序与工艺4 Commissioning procedures and processes4.1 吹管的方式4.1 The blowing way采用降压吹管方式进行吹管。The pipe blowing is carried out by adopting the mode of pressure-reducing blow
21、ing. 4.2 吹管参数选择Control and selection of pipe blowing parameters吹管系数计算公式如下：The blowing coefficient is calculated as following 或 式中冲管时该区段的压降，MPathe pressure drop of blowing area during steam blowing，MPa额定工况时该区段压降，MPathe pressure drop of blowing area at rated condition，MPa冲管参数对应流量，kg/sthe corresponding
22、 steam flow during steam blowing，kg/s冲管参数对应蒸汽比容，m3/kgthe corresponding steam specific volume during steam blowing，m3/kg冲管参数对应流速，m/sthe corresponding steam velocity during steam blowing，m/s额定参数对应流量，kg/sthe corresponding steam flow at rated condition，kg/s额定参数对应蒸汽比容，m3/kgthe corresponding steam specifi
23、c volume at rated condition，m3/kg额定参数对应流速，m/sthe corresponding steam velocity at rated condition，m/s根据计算，取过热器出口参数为压力4.5MPa,汽温 400时，即可以保证蒸汽吹管系数大于 1.0,具体数据如下表1所示：Acording to the caculation，when the outlet pressure of the superheater more than 4.5MPa，the steam temperature is about 400。 Pipe blowing coe
24、fficient will be larger than 1。The detail dates is selected as following table1：Table 1 Table of steam pipe blowling parameters表1 蒸汽吹管控制参数一览表Steam blowing Range吹 管 范 围 Control parameter控 制 参 数Temporary control valve临时控制门Superheater、reheatersystem过热、再热器系统The pressure of the drum when temporary contro
25、l valve is opened ：6-6.5MPa开门汽包压力：66.5MPaThe pressure of the drum when temporary control valve is closed ：44.5MPa关门汽包压力：44.5MPaThe superheater steam tempreture：400450过热汽温：400450The temperature of reheater：450480再热汽温：450480Temporary control valve1、2 4.3 蒸汽吹管的流程4.3 Steam blowing process本次锅炉吹管采用一阶段吹洗，吹
26、洗流程如下：过热器主蒸汽管道机高压主汽门临时管道吹管临时控制门临时管道集粒器再热冷段管道再热器再热热段管道机中压主汽门临时管道靶板消音器排大气；The pipe blowing process is as followingSuperheatermain steam pipemain steam stop valvetemporary pipetemporary control valve used to blowingtemporary pipeparticles collecterthe pipe of lower temperature reheaterhot reheater pipe
27、reheater stop valvetemporary pipetarget platesilenceratmosphere4.4 吹管前的必备条件4.4 The necessary condition before blowing4.4.1 锅炉专业必备条件：The necessary conditions preparation by boiler specialty4.4.1.1 厂区燃油系统、炉前燃油系统可正常投入；The fuel oil system of whole plant area and the fuel oil system of boiler can be putt
28、ing into operation4.4.1.2 上煤系统具备供煤条件；The coal transportation system can supply the coal into bunker and coal feeder and coal mill can be putting into operation normally4.4.1.3 除尘、捞渣机及除灰、除渣系统具备投入条件；Bag filter, Slag and ash, bottom ash removing system can be putting into operation4.4.1.4 锅炉化学清洗工作结束，临时
29、系统恢复完毕；The boiler chemical cleaning is finished. And temporary blowing systems are recovered4.4.1.5 烟温探针、汽包水位、炉膛火焰电视调试完毕，可以投入；Flue gas temperature detector、drum level、Furnace Flame TV commissioning is finished4.4.1.6 PCV阀操作试验完毕；PCV commissioning is finished4.4.1.7 锅炉冷态通风试验完毕；Boiler cold state ventil
30、ation test is finished4.4.1.8 汽水阀门、烟风挡板检查确认完毕，开关灵活；The confirmation of valves and damper of boiler side are finished4.4.1.9 空预器吹灰系统具备以辅汽方式吹扫投用的条件，转子监视系统好用，消防、冲洗水系统具备投入条件；Soot blowing system of air preheater can be putting into operation using the auxiliary steam. Turbine supervision system, deluge system and water flushing system can be putting into operation.4.4.1.10 燃烧器摆动试验、油枪及点火枪操作试验合格；Burn
