09肖国华-四大管道质量现状及监检对策

,单击此处编辑母版标题样式,文字模板单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,#,单击此处编辑母版标题样式,文字模板单击此处编辑母版文本样式,*,#,单击此处编辑母版标题样式,文字模板单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,文字模板单击此处编辑母版文本样式,*,四大管道质量现状及监检对策,2024/10/3,肖国华,西安热工研究院有限公司,电站建设技术部,简介,2020-02-08,火电机,组,组四大,管,管道包,括,括主蒸,汽,汽管道,、,、再热,蒸,蒸汽热,段,段、再,热,热蒸汽,冷,冷段、,高,高压给,水,水管道,及,及相关,的,的旁路,管,管道。,名称,温度,(),压力（,MPa,）,材料,主蒸汽管道,566,620,2530,A335 P91/P92,再热蒸汽热段,566,620,78,A335 P91/P92,再热蒸汽冷段,350,470,78,A672B70CL32,A691 1-1/4CrCL22,A691 2-1/4CrCL22,高压给水管道,180,350,3538,WB36,超（超,）,）临界,机,机组四,大,大管道,常,常用材,料,料,简介,2020-02-08,四大管,道,道由于,输,输送高,温,温高压,介,介质，,且,且布置,在,在炉外,，,，靠近,人,人员活,动,动区域,和,和汽轮,机,机厂房,，,，所以,其,其质量,直,直接关,系,系到人,员,员安全,和,和设备,安,安全，,属,属于火,电,电机组,的,的重要,设,设备，,其,其造价,约,约占火,电,电机组,建,建设总,投,投资的58%。,国内电,厂,厂曾发,生,生过由,于,于四大,管,管道质,量,量问题,所,所导致,的,的人员,伤,伤亡和,设,设备损,毁,毁事故,，,，应引,起,起高度,重,重视。,简介,2020-02-08,考虑到,四,四大管,道,道的重,要,要性和,特,特殊性,，,，西安,热,热工院,电,电站建,设,设技术,部,部专门,成,成立了,独,独立的,四,四大管,道,道项目,组,组，从,事,事四大,管,管道制,造,造阶段,的,的专业,化,化监检,工,工作。,从2003年成立,至,至今，,已,已完成,了,了华能,火,火电工,程,程亚临,界,界、超,临,临界、,超,超超临,界,界、燃,机,机和IGCC火电项,目,目38个、85台机组,四,四大管,道,道的监,检,检工作,，,，并出,色,色完成,了,了多个,外,外系统,单,单位委,托,托的四,大,大管道,监,监检工,作,作。,项目组,专,专业从,事,事电站四大管,道,道钢管制,造,造、管,件,件制造,、,、工厂,化,化配管,及,及现场,管,管道安,装,装的监,督,督检验，在长,达,达10年的专,业,业化工,作,作中，在进口,管,管道（,件,件）、,国,国产管,道,道（件,）,）、工,厂,厂化配,制,制、现,场,场安装,等,等环节,质,质量问,题,题的监,检,检上积,累,累了丰,富,富的经,验,验。,进口管,道,道质量,现,现状,2020-02-08,目前新,建,建机组,四,四大管,道,道很大,一,一部分,来,来自于,进,进口，,主,主要包,括,括进口,钢,钢管、,锻,锻制三,通,通及部,分,分热压,管,管件。,名称,钢管供应商,管件供应商,主蒸汽管道,再热热段管道,美国,WYMAN-GORDON,德国,V&M,日本住友,IBF,Metalcam,奥地利安内,高压给水管道,美国,WYMAN-GORDON,德国,V&M,日本住友,进口钢管、国内热压,/,推,再热冷段管道,韩国,EEW,韩国钢花,德国,EBK,进口钢管、国内热压,/,推,进口管,道,道供应,商,商名录,进口管,道,道质量,现,现状,进口管,道,道常见,质,质量问,题,题包括,：,：,原材来,源,源,表面质,量,量,几何尺,寸,寸、壁,厚,厚,硬度、,金,金相,层状缺,陷,陷,焊管焊,缝,缝缺陷,进口管,道,道质量,现,现状,原材来,源,源,国内已,发,发现使,用,用国产,管,管材或,劣,劣质管,材,材冒充,进,进口管,材,材的情,况,况，并,已,已造成,了,了严重,的,的后果,（,（见国质检,特,特联2006-601号关于对,假,假冒国,外,外锅炉,管,管使用,情,情况进,行,行检查,消,消除隐,患,患的通,知,知）。,进口管,道,道质量,现,现状,原材来,源,源,个别进,口,口管材,缺,缺少报,关,关单、,商,商检证,明,明等文,件,件资料,，,，原材,来,来源不,明,明，甚,至,至发现,有,有个别,假,假冒进,口,口管材,、,、伪造,文,文件资,料,料等问,题,题。,假冒德,国,国曼内,斯,斯曼钢,管,管,正品德,国,国曼内,斯,斯曼钢,管,管（常,州,州）,进口管,道,道质量,现,现状,原材来,源,源,个别进,口,口管材,缺,缺少报,关,关单、,商,商检证,明,明等文,件,件资料,，,，原材,来,来源不,明,明，甚,至,至发现,有,有个别,假,假冒进,口,口管材,、,、伪造,文,文件资,料,料等问,题,题。,假冒意,大,大利IBF三通钢,印,印,正品意,大,大利IBF三通钢,印,印,进口管,道,道质量,现,现状,表面质,量,量,主要表,现,现在管,材,材表面,存,存在裂,纹,纹、沟,槽,槽、凹,坑,坑等缺,陷,陷。,W-G钢管表,面,面人工,切,切槽,进口钢,管,管内外,壁,壁凹坑,进口管,道,道质量,现,现状,几何尺,寸,寸、壁,厚,厚,主要表,现,现在管,径,径、壁,厚,厚、直,线,线度、,椭,椭圆度,等,等尺寸,不,不合格,。,。,W-G钢管（P91，规格,：,：ID91434mm）白色,区,区域壁,厚,厚不足,进口管,道,道质量,现,现状,硬度,主要表,现,现在硬,度,度不符,合,合DLT438,-,-2009火力发,电,电厂金,属,属技术,监,监督规,程,程要求。,硬度控,制,制：,P91,/,/92,(,(180,-,-250HB,),)，WB36（180,-,-252HB）,华能福,州,州电厂,、,、井冈,山,山电厂,及,及威海,电,电厂所,使,使用的,德,德国曼,内,内斯曼OD55960mm,材质WB36高压给,水,水管道,原,原材曾,出,出现过,大,大范围,硬,硬度异,常,常。其,中,中福州,电,电厂共,采,采购44支，33支硬度,偏,偏高至325HB。井冈,山,山电厂,共,共采购29支，16支钢管,硬,硬度偏,高,高至330HB。,进口管,道,道质量,现,现状,金相组,织,织,主要表,现,现在P91,/,/92材料中-铁素体,含,含量超,标,标，WB36材料中,铁,铁素体,含,含量偏,多,多等。,-铁素体,含,含量超,标,标,进口管,道,道质量,现,现状,层状缺,陷,陷,W-G挤压成,型,型P91,/,/92钢管，,管,管端存,在,在层状,缺,缺陷，,缺,缺陷性,质,质类似,于,于断续,分,分布平,行,行于表,面,面的分,层,层折叠,缺,缺陷。,产生原,因,因：钢,坯,坯浇铸,过,过程工,艺,艺不当,或,或切冒,头,头不足,，,，钢坯,内,内存在,气,气孔类,缺,缺陷，,或,或热挤,压,压成型,后,后剪边,不,不足造,成,成缺陷,。,。,管端层,状,状缺陷,进口管,道,道质量,现,现状,焊缝缺,陷,陷,某电厂,进,进口韩,国,国钢花,公,公司的A672B70CL32冷段旁,路,路出口,管,管道23个管段,纵,纵焊缝,发,发现危,害,害类缺,陷,陷90余处，90%以上为,裂,裂纹类级缺陷,。,。,国产管,道,道质量,现,现状,2020-02-08,我国“十一五”后期及“十二五”期间电,力,力发展,将,将趋于,平,平稳，,每,每年新,增,增火电,装,装机容,量,量将在5000万KW左右，,且,且以大,容,容量，,超,超超临,界,界机组,为,为主，,需,需高压,锅,锅炉管50万吨左,右,右，大,口,口径厚,壁,壁合金,钢,钢管是,缺,缺口较,大,大的品,种,种，年,需,需进口,在,在610万吨。,高附加,值,值的大,口,口径厚,壁,壁无缝,钢,钢管P91,/,/P92长期依,赖,赖进口,，,，由于,价,价格高,，,，交货,期,期长成,为,为超超,临,临界机,组,组生产,的,的最大,瓶,瓶颈。,国产管,道,道质量,现,现状,2020-02-08,企业名称,材料,钢坯来源,生产工艺,北方重工,A335 P91,/92,、,WB36,自炼,锻造镗孔,垂直挤压,武汉重工,A335 P91,、,WB36,自炼,冲孔拉伸,攀成钢,A335 P91,、,WB36,自炼,周期式轧制,扬州诚德,A335 P91,/92,、,WB36,外购,穿孔斜轧,衡阳华菱,A335 P91,、,WB36,外购,周期式轧制,四川三洲,A335 P91,、,WB36,外购,周期式轧制,国内供,应,应商,国产管,道,道质量,现,现状,2020-02-08,生产厂家,C,S,N,P,Si,Cr,Mn,Ni,Mo,V,Al,Nb,ASME SA-335,0.080.12,0.01,0.030.07,0.02,0.200.50,8.09.50,0.300.60,0.40,0.851.05,0.180.25,0.04,0.060.10,北方重工,0.089,0.001,0.053,0.01,0.33,8.60,0.40,0.22,0.84,0.19,0.018,0.089,武汉重工,0.082,0.001,0.065,0.01,0.34,8.55,0.34,0.19,0.89,0.20,0.019,0.099,攀成钢,0.12,0.001,0.042,0.015,0.30,8.67,0.40,0.12,0.94,0.18,0.018,0.088,四川三洲,0.10,0.006,0.039,0.017,0.27,8.18,0.34,0.055,0.87,0.22,0.018,0.09,P91钢管化,学,学成分,比,比较,各厂家,在,在化学,成,成分控,制,制上，,基,基本都,能,能满足ASME规范要,求,求。在S、P元素的,控,控制上,，,，北方,重,重工和,武,武汉重,工,工较好,。,。,国产管,道,道质量,现,现状,2020-02-08,WB36（15NiCuMoNb5)化学成,分,分比较,生产厂家,C,S,N,P,Si,Cr,Mn,Ni,Mo,Cu,Al,Nb,EN10216-2,0.17,0.02,-,0.025,0.250.50,0.30,0.81.2,1.01.3,0.250.5,0.50.8,0.05,0.0150.045,曼内斯曼,0.15,0.0007,0.0073,0.01,0.32,0.23,1.02,1.18,0.29,0.67,0.017,0.023,武汉重工,0.14,0.0007,0.005,0.01,0.30,0.25,1.07,1.18,0.27,0.49,0.017,0.023,攀成钢,0.15,0.0006,0.007,0.012,0.42,0.053,1.01,1.24,0.32,0.62,0.01,0.024,四川三洲,0.17,0.0018,0.009,0.01,0.36,0.26,1.02,1.24,0.39,0.59,0.05,0.031,基本满,足,足EN10216-2要求。,攀,攀成钢,将,将Cr含量控,制,制得较,低,低（0.1,%,%），其,余,余几家,企,企业Cr含量一,般,般控制,在,在0.20.3,%,%。,国产管,道,道质量,现,现状,2020-02-08,P91,生产厂家,规格,mm,R,eL,/R,P0.2,R,m,(MPa),A(%),KV,2,(J),北方重工,ID30556,503,657,25.5,222.4,武汉重工,ID66028,522,670,24.3,163.8,攀成钢,ID21623,535,705,24.2,196.5,四川三洲,50878,515,665,2