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  • 锅炉、压力容器和管道焊接技术的新发展
    添加时间: 2013-5-15 9:49:30 来源:http://bfxcw.com 作者:无锡316l不锈钢管 点击数:3471
    无锡316l不锈钢管近10年来,国内外锅炉、压力容器和管道的焊接技术取得了引人注目的新发展。随着锅炉、压力容器和管道工作参数的大幅度提高及应用领域的不断扩展,对焊接技术提出了愈来愈高的要求。所选用的焊接方法、焊接工艺、焊接材料和焊接设备首先应保证焊接接头的高质量,同时必须满足高效、低耗、低污染的要求。因此,在这一领域内,焊接工作者始终面临复杂而艰巨的技术难题,要求不断寻求最佳的解决方案。通过不懈的努力已在许多关键技术上取得重大突破,并在实际生产中得到成功的应用,取得了可观的经济效益,使锅炉、压力容器和管道的焊接技术达到了新的发展水平。

        JIANYUGUOLU、YALIRONGQIHEGUANDAOSHEJIDAOXUDUOZHONGYAODEGONGYEBUMEN,QIZHONGBAOKUOHUOLI、SHUILI、FENGLI,HENENGFADIANSHEBEI,SHIYOUHUAGONGZHUANGZHI,MEIYEHUAZHUANGZHI、SHUYOU、SHUQIGUANXIAN,YINLIAO、RUPINJIAGONGSHEBEI,ZHIYAOJIXIE,YINYONGSHUICHULISHEBEIHEYEHUAQICHUZANGHEYUNSHUSHEBEIDENG,HANJIEJISHUDENEIRONGSHIXIANGDANGGUANGFANDE。BENWENYINPIANFUSUOXIAN,JINJIUGUOLU、YALIRONGQIHEGUANDAOYONGGANG,XIANJINDEHANJIEFANGFAHEHANJIEGUOCHENGJIXIEHUAHEZIDONGHUASANFANGMIANDEXINFAZHANZUORUXIAGAIKUODEJIESHAO。

        GUOLUYALIRONGQIHEGUANDAOYONGGANGDEXINFAZHAN

        1 GUOLUYONGGANGDEXINFAZHAN ZICHUAN9

        ZAIGUOLU、YALIRONGQIHEGUANDAOYONGGANGZHEISANLEIGANGZHONG,GUOLUYONGGANGDEFAZHANZUIWEIXUNSU。ZHEIZHUYAOSHIJIN10NIANLAI,HUOLIFADIANZHANYONGRANLIAO—MEITANDEGONGYINGRIQUJINZHANG,JIANGDIRANLIAODEXIAOHAOYICHENGWEISHIJIEXINGDEPOQIEXUYAO。WEICI,BIXUTIGAOGUOLUDEXIAOLV。TONGCHANGGUOLUXIAOLVMEITIGAO5%,RANLIAODEXIAOHAOKEJIANGDI15%。ERGUOLUDEXIAOLVJIBENSHANGQUJUEYUQIYUNXINGCANSHU—ZHENGQIYALIHEZHENGQIWENDU。ZUIJIN,SHANGHAIGUOLUCHANGSHENGCHAN600~670MWCHAOLINJIEGUOLUDEZHENGQIYALIWEI254bar,GUOREZHENGQIWENDUWEI569℃,GUOLUDEREXIAOLVYUEWEI43%。RUGUOGUOLUDEYUNXINGCANSHUTIGAODAOTECHAOLINJIEJI,JIZHENGQIYALIWEI280 barZHENGQIWENDUWEI620℃,GUOLUDEREXIAOLVKETIGAODAO47%。MUQIANSHIJIESHANGTECHAOLINJIEGUOLUDEZUIGAOGONGZUOCANSHUWEI350 bar/700℃/720℃,GUOLUDEREXIAOLVDADAOLE50% 。

        ZHEILIYINGDANGQIANGDIAOZHICHU,SUIZHEGUOLUXIAOLVDETIGAO,GUOLUYANQIZHONGDESO2、NOXHECO2DEPAIFANGLIANGZHUJIANXIAJIANG。YINCICONGJIANSHAODAQIWURANDEJIAODUCHUFA,SHEJIZHIZAOGAOGONGZUOCANSHUDETECHAOLINJIEGUOLUYESHIBIRANDEFAZHANQUSHI。

        GUOLUZHENGQICANSHUDETIGAOZHIJIEYINGXIANGDAOGUOLUSHOUYABUJIANDEQIANGDUXINGNENG。ZAICHAOLINJIEHETECHAOLINJIEGONGZUOTIAOJIANXIA,GUOLUDEZHUYAOBUJIAN,RUMOSHISHUILENGBI,GUOREQI,ZAIREQI、GAOYACHUKOUJIXIANGHEZHUZHENGQIGUANDAODEGONGZUOWENDUJUNYIDADAOGANGCAIRUBIANWENDUFANWEIYINEI。ZHIZUOZHEIXIEBUJIANDEGANGCAIZAIGUIDINGDEGONGZUOWENDUXIA,CHULEJUYOUZUGOUDERUBIANQIANGDU (HUO105hGAOWENCHIJIUQIANGDU)WAI,HAIYINGJUYOUGAODENAISHIXINGHEKANGYANGHUAXINGYIJILIANGHAODEHANJIEXINGHECHENGXINGXINGNENG。 

        CONGGUOLUZHUYAOBUJIANYONGGANGDEFAZHANJIEDUANLAIKAN,JIBIANSHIGONGZUOWENDUXIANGDUIJIAODIDESHUILENGBIBUJIAN,YEBIXUCAIYONGGEHANLIANGDAYU2%DECr-MoGANGHUODUOZUYUANDECrMoVTiBGANG。ANXIANXINGDEGUOLUZHIZAOGUICHENG,ZHEILEIDIHEJINGANG,DANGGUANBIHOUDUCHAOGUOGUIDINGDEJIEXIANSHI,HANHOUBIXUJINXINGRECHULI。YOUYUMOSHISHUILENGBIDEWAIXINGCHICUNXIANGDANGDA,GONGJIANZHANGDUYIBANCHAOGUO30m,HANHOURECHULIBUJINYANZHANGLESHENGCHANZHOUQI,ERQIEDADATIGAOLEZHIZAOCHENGBEN。WEIJIEJUEZHEIYIWENTI,GUOWAIYANZHILEYIZHONGZHUANYONGYUMOSHISHUILENGBIDEXINGANGZHONG7CrMoVTiB1010。ZUIJIN,GAIGANGZHONGYIDEDAOMEIGUOASMEDERENKE,BINGYILIERUMEIGUOASMECAILIAOBIAOZHUN,GANGHAOWEIA213-T24。ZHEIZHONGGANGDETEDIANSHIHANTANLIANGKONGZHIZAI0.10%YIXIA,LIUHANLIANGBUCHAOGUO0.010%,YINCIJUYOUXIANGDANGHAODEHANJIEXING。HANQIANWUXUYURE。DANGGUANBIHOUDUBUDAYU10 m m,HANHOUYIKEBUZUORECHULI。

        ZAITECHAOLINJIEDEZHENGQICANSHUXIA,DANGZHENGQIWENDUDADAO700℃,ZHENGQIYALICHAOGUO370 barSHI,SHUILENGBIDEBIWENKENENGCHAOGUO600℃。ZAIZHEIZHONGTIAOJIANXIA,BIXUCAIYONG9%CrHUO12%CrMASHITINAIREGANG。ZHEIXIEGANGZHONGDUIHANJIEGONGYIHEHANHOURECHULITICHULEYANGEDEYAOQIU,BIXUCAIQUTESHUDEGONGYICUOSHI,CAINENGQUEBAOJIETOUDEHANJIEZHILIANG。

        DUIYUGUOLUGUOREQIHEZAIREQIGAOWENBUJIAN,ZAICHAOLINJIEHETECHAOLINJIEZHENGQICANSHUXIA,QIGONGZUOWENDUFANWEIWEI560~650℃。ZAIDIWENDUANTONGCHANGCAIYONG9~12%CrGANG,CONGGAOWENNAISHIXINGJIAODUKAOLV,ZUIHAOXUANYONG12%CrGANG。ZAI600℃YISHANGDEGAOWENDUAN,ZEBIXUCAIYONGAOSHITIGENIEGAOHEJINNAIREGANG。GENJUJINQIDEYANJIUCHENGGUO,DUIYUGAOWENDUANGUOREQIHEZAIREQIGUANJIAN,WEIBAOZHENGZUGOUGAODEGAOWENNAISHIXINGHEKANGYANGHUAXING,YINGDANGXUANYONGGEHANLIANGDAYU20%DEAOSHITIGANG,LIRU25Cr-20NiNbN(HR3C),23Cr-18NiCuWNbN(SAVE25),22Cr-15NiNbN(Tempaloy A-3),HE20Cr-25NiMoNbTi(NF709)DENG。


        在相当高的蒸汽参数下(375 bar/700℃)下,在过热器出口段,由于奥氏体钢蠕变强度不足,不能满足要求,而必须采用镍基合金,如Alloy617。

        XIANDAIAOSHITINAIREGANGYUCHUANTONGDEAOSHITINAIREGANGXIANGBI,QIZUIDATEDIANSHIHANYOUDUOZUYUANDETANHUAWUQIANGHUAYUANSU,CONGERZAIHENDACHENGDUSHANGTIGAOLEGANGCAIDERUBIANQIANGDU。

        DUIYUCHAOLINJIEGUOLUJIZUDEGAOYACHUKOUJIXIANGHEZHUZHENGQIGUANDAODENGHOUBIBUJIANZHUYAOCAIYONGGAIJINXINGDE9-12%CrMASHITIGEGANG。

        9~12%MASHITIGEGANGDEFAZHANGUILVYUQIANSHUDEAOSHITINAIREGANGXIANGSI,JICONGZUIYUANSHIDECr-MoERYUANHEJINXIANGDUOZUYUANHEJINYANBIAN,QIZHUGONGFANGXIANGSHIJINKENENGTIGAOGANGCAIDEGAOWENRUBIANQIANGDU,JIANBOHOUBIBUJIANDEBI HOU,YIJIANHUAZHIZAOGONGYIHEJIANGDIZHIZAOCHENGBEN。SHANGSHUGANGZHONGYOUYU YANGEKONGZHILETAN、LIU、LINHANLIANG,HANJIEXINGMINGXIANGAISHAN。ZAIGUOWAICHAOLINJIEHETELINJIEGUOLUYIZHUBUTUIGUANGYINGYONG,QUDELEKEGUANDEJINGJIXIAOYI。

        2 YALIRONGQIYONGGANGDEXINFAZHAN

        JINNIANLAI,YALIRONGQIYONGGANGDEFAZHANYUGUOLUYONGGANGBUTONG,QIZHUGONGFANGXIANGSHITIGAOGANGDECHUNJINGDU,JICAIYONGGEZHONGXIANJINDEYELIANJISHU,ZUIDAXIANDUDIJIANGDIGANGZHONGDEYOUHAIZAZHIYUANSU,RULIU、LIN、YANG、QINGHEDANDENGDEHANLIANG。ZHEIXIEYEJINJISHUDEGEXIN,BUJINMINGXIANDITIGAOLEGANGDECHONGJIRENXING,TEBIESHIDIWENCHONGJIRENXING,KANGYINGBIANSHIXIAOXING、KANGHUIHUOCUIXING、KANGZHONGZIFUZHAOCUIHUAXINGHENAISHIXING,ERQIEKEDADAGAISHANQIJIAGONGXINGNENG,BAOKUOHANJIEXINGHEREJIAGONGXINGNENG。

        DUIBICAIYONGCHANGGUIYELIANFANGFAHEXIANDAIRONGLIANFANGFAYAZHIDE16MnRGANGBANDEHUAXUECHENGFENHEBUTONGWENDUXIADEQUEKOUCHONGJIRENDUHEYINGBIANSHIXIAOHOUDECHONGJIRENXING,SHUJUBIAOMING,CHAODIJIDELIU、LIN、DANHANLIANGXIANZHUDITIGAOLEPUTONGDIHEJINGANGDEDIWENCHONGJIRENDUHEKANGYINGBIANSHIXIAOXING。

        GAOCHUNJINGHUADUISHENDIWENYONG9%NiGANGDEJIXIANGONGZUOWENDU(-196℃)XIADEQUEKOUCHONGJIRENDUYEQIDAOXIANGDANGLIANGHAODEZUOYONG,ANMEIGUOASTM A353HEA553(9%Ni)GANGBIAOZHUN,GAIGANGZHONGZAI-196℃CHONGJIGONGDEBAOZHENGZHIWEI27J。DANANDAXINGYEHUATIANRANQI(LNG)CHUGUANDEZHIZAOJISHUTIAOJIAN,9% NiGANGQIAOTI-196℃DECHONGJIGONGYING 70J,XIANGCHA2.6BEIZHIDUO。ZHEIYIWENTIYESHITONGGUO9% NiGANGDECHUNJINGHUACHULIERDEDAOWANMANDEJIEJUE。TONGSHIHAIDADAGAISHANLE9% NiGANGDEHANJIEXING。HANJIEBUBIYURE,HANHOUYIWUXURECHULI。DUIYUHOUDU30mmYIXIADE9%NiGANG,HANQIANBUBIYURE,HANHOUYIWUXURECHULI。ZHEIDUIYUDAXING(10WANm3YISHANG)LNGCHUGUANDEJIANZAO,JUYOUSHIFENZHONGYAODEYIYI。

现货资源
现货名称 材质 规格 标准 价格 产地
316不锈钢管价格 316不锈钢管 齐全 国标 30 无锡
304不锈钢管 304不锈钢 219*9 国标 22000一吨 无锡
304不锈钢管 304不锈钢 219*9 国标 22000一吨 无锡
304不锈钢管 304不锈钢 219*9 国标 22000一吨 无锡
304不锈钢管 304不锈钢 219*9 国标 22000一吨 无锡
304不锈钢管 304不锈钢 219*9 国标 22000一吨 无锡
304L不锈钢管
304L不锈钢管
不锈钢六角管 201不锈钢 13.72mm~1000mm ASTM 7600 无锡
60si2mn圆钢 60si2mn 齐全 国标 电议 西南特钢
无锡12cr1movg高压合金管 12cr1movg 273*14 GB/T5310-2008 电议 无锡
江苏12cr1movg高压合金管 12crmovg 38*6 GB/T5310-2008 电议 江苏
JIS sus316L不锈钢管 sus316L 6-610*1.24-6.35 JIS G3459 电议 日本
ASTMSA312不锈钢管 312 6-610*1.24-6.35 ASTM 电议 进口
工业用304不锈钢管 304 159*6 GB/T14976-2008 电议 浙江
无锡不锈钢管 304 316 76*5 国标 电议 无锡
耐高温不锈钢管 310S 32*4 GB/T13296-2000 电议 上海
进口电力用不锈钢管 316L 78*6 ASTM/ASME 电议 进口
电力用不锈钢管 304L 25*3 ASTM/ASME 电议 太钢
奥氏体不锈钢管 304 152*7 GB2270-80 电议 无锡
不锈钢厚壁管 316L 159×3 GB/T14975-2002 电议/吨 无锡
冷拔不锈钢无缝管 310S 32×2.5 GB/T13296-91 电议/吨 无锡
不锈钢无缝管 304 273×8 国标、美标 22000元/吨 无锡
天津不锈钢管 304 316 219×6 国标 24元/公斤 无锡
不锈钢管 304 159×17 GB3090-82 电议/吨 无锡
不锈钢管 304 146×16 YB678-71 电议/吨 无锡
不锈钢管 304 152×10 GB/T14976-94 电议/吨 无锡