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988棋牌 您当前的位置: 孔板流量计 > 988棋牌

管线弯头焊缝堵漏夹具改进

作者: 来源: 发布时间:2019-10-14 14:29:32

    NINGXIASHIHUAGONGSIJIANCHANGYIJING20DUONIAN,YOUYUZHANGQIMANFUHEYUNXING,GONGYIGUANXIANJINGCHANGZAIGUANXIANWANTOUHANFENGCHUHUOHANFENGREYINGXIANGQUFASHENGXIELOU,YIDANFASHENGXIELOUYOUHENNANQIECHULAIJINXINGGENGHUANWANTOUHUOBUHAN,ZHINENGCAIYONGBUTINGCHEDAIYADULOUDEFANGFA,JIZUOGEFANGHEZIJIANGZHENGGEWANTOUBAOQILAIZAIJINXINGZHUJIAODULOU。JUTIZUOFASHI:RUDUYIGEDN150WANTOU,XUYONG20mmHOU,360mm×360 mm、270mm×360mmDEGANGBANGONG6KUAI。CONGXIALIAOKAISHIXUJINGDAMOPOKOU、ZUHAN、JIXIEJIAGONGDENGHUANJIE,YONGSHIBIJIAODUO,ZHIZUOCHUDEHEZITIJIDA、YUNSHUANZHUANGKUNNAN,YOUSHIHAIYAODONGYONGDIAOCHE,TONGSHIXUZHURUDALIANGDEMIFENGJI,GUHUASHIJIANBIJIAOZHANG,YIBANDE2〜3TIANCAINENGDUZHUYIGELOUDIAN,LAODONGQIANGDUHENDA。

    CONG2010NIANKAISHI,WOMENCHANGSHIZHIZUOZHUANMENDEJIAJUDUIHANFENGCHUJINXINGJUBUDAIYADULOU。TONGYANGYIDN150WANTOUWEILI,JUTIZUOFASHIJIAGONGYIGEHOUDU60mm、NEIJING168mm、WAIJING240mm,ZHONGJIANDAIAOCAODEJIAJU(JIANTU1)。LOUDIANZAIWANTOU

 

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    DEZHIGUANDUANSHIANZHENGCHANGCHICUNCELIANGBINGJIAGONGJIAJU,LOUDIANZAIWANTOUYOUHUDUDEDIFANGSHI,CELIANGCHICUNYINGBIWANTOUZHIGUANDUANDECHICUNLVEDA0.5〜1mm。JIANGJIAGONGHAODEJIAJUCONGZHONGJIANPOUKAIFENCHENGLIANGBAN,RANHOUANZHUANGZAIWANTOUHANFENGXIELOUCHU(JIANTU2)。RUXIELOUBUYANZHONGQIEWANTOUBIBIJIAOHOU,KEJIANGJIAJUZHIJIEHANZAIWANTOUCHU。RUWANTOUXIELOULIANGBIJIAODA,KEGENJUXIELOULIANGXUANZEBUTONGDEKONGJING(23mm,28mm,34mm),ZAIJIAJUSHANGZUANYIGEKONG,BINGYUXIANHANYIGEXIEYAFAMEN(BIXUSHIZHAFA,JIANTU3),GENJUKONGJINGXUANZE0.5in,0.75inHUO1inDEFAMEN。ANZHUANGSHIJIANGZHUANGYOUXIEYAFAMENDEBANGEJIAJUZHUANGZAIXIELOUBUWEI,ZUANKONGZHENGDUIWANTOULOUDIAN,KEJIANGXIELOUJIEZHIYINZOU,BIANYUANZHUANGJIAJU。ZHUJIAOKONGKECAIYONGZHIJING6mmDEXIAOKONG,KONGYUKONGDEJIANJU100mm,GENJUWANTOUDEDAXIAOJUNYUNZUANSHANG4〜6GEHUOGENGDUOZHUJIAOKONG。YONGLUOSHUANJIANGJIAJUGUDING,BINGCONGZHUJIAOKONGZHURUMIFENGJI,SUIZHEMIFENGJIBUDUANZHURU,ZHUJIANGUANBIXIEYAFA,XIAOCHULOUDIAN。CIFANGFAYESHIYONGYUCHUWANTOUHANFENGYIWAIDEQITABUWEI。

 

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988棋牌    CIFANGFAYESHIYONGYUCHUWANTOUHANFENGYIWAIDEQITABUWEI。YINWANTOUYOUHUDU,KEJIANGJIAJUNEIJINGZAIYUANYOUDEJICHUSHANGZENGDA1.5mm。RUOWANTOUBIAOMIANHEJIAJUZHIJIANYOUYIDINGDEJIANXI,KEYONGFENGCHANJIANGTU3ZHONGDEMIFENGCAONIANBIANXING,YIDADAOMIFENGXIAOGUO。

    另外,在直径小于DN50的管线上,如直管段上有沙眼或裂纹,可采用圆钢加工的夹具,加入耐压、耐热密封带,再用螺栓紧固夹具即可堵住漏点。例如2011年5月,4112-F1-1汽化炉更换烧嘴十几天后,一孔板流量计U形弯处发生泄漏,压力8.7MPa,温度260°,其管线为外直径12mm的不锈钢管线。由于管线比较细并且泄漏点在U形弯圆弧处,制作夹具比较困难且不好测量,加之管线比较细,承受不了夹具的重量,需制作轻便夹具。于是我们用圆钢钻了一个外径为13mm的孔,并从中间铣开,旁边钻两个螺栓孔用于紧固,用时很短就将漏点堵住。该临时措施一直运行到同年9月份,汽化炉再次更换烧嘴时切出管线才将此段漏点管线消除。

988棋牌    TONGGUOZHEIJINIANDEBUDUANMOSUO,YIXIELOULIANGXIAOBINGQIENENGJISHIFAXIANDELOUDIAN,CAIYONGJUBUDULOUDEBANFAXIAOGUOFEICHANGHAO,WOMENHUIZAIJINHOUDEGONGZUOZHONGJIXUWANSHAN、GAIJINGAIFANGFA。

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