体彩排列5质合遗漏

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3LPE/PP防腐管管端涂层处理新工艺

2019-08-16 10:54:00

目前,国内外海底及陆地钢质管道防腐普遍采用三层聚乙烯/聚丙烯(3LPE/PP)涂层结构,在管道现场铺设过程中,为避免焊接热影响区对防腐涂层的损伤,在防腐管管端预留150士lOmm的裸管和5-lOmm的FBE防腐涂层,且PE/PP涂层的坡度不大于30°。因此,3LPE/PP防腐管管端涂层处理工艺是现场节点施工质量的重要保证。

体彩排列5质合遗漏GUONEIWAI3LPE/PPFANGFUGUANGUANDUANTUCENGCHULITONGCHANGCAIYONGGAOSUXUANZHUANDEGANGSISHUAJINXINGDAMOCHULI,GAIGUANDUANTUCENGCHULIGONGYICUNZAIYIXIAWENTI:

(1)GANGSISHUAWUFAZHUNQUEDINGWEI,ZHISHICHULIHOUDEGUANDUANFANGFUCENGBUWEIJINGDUBUGAO,DABUDAOYUQIXIAOGUO,ZAIDUOSHUQINGKUANGXIAWUFAMANZUGUONEIWAIJISHUBIAOZHUNYAOQIU。

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(3)PE/PPCENGDESUIMOBUYIQUCHUGANJING,CANLIUZAIGANGGUANBIAOMIAN,YINGXIANGJIEDIANBUKOUZHILIANG。

(4)GANGSISHUADAMOGUOCHENGCHUXIANZAOYIN、FENCHENDENGWURAN,BUFUHEXIANCHANGHUANBAODEYAOQIU。

体彩排列5质合遗漏WEIJIEJUEYISHANGWENTI,XIANGMUKAIFALEFANGFUGUANGUANDUANTUCENGZHUANGZHI,KESHIXIANDUIGUANDUANPE/PPTUCENGPOKOUJIAODUHEFBETUCENGYULIUKUANDUDEKONGZHI,WEIXIANCHANGJIEDIANFANGFUSHIGONGTIGONGLIANGHAODEZHANJIEYUJIANRONGXING。

体彩排列5质合遗漏GUANDUANTUCENGQIEXUEZHUANGZHIJIQIEXUEGONGYI

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体彩排列5质合遗漏GENJUGEJIGOUYUNDONGTEDIAN,WEIQIEXUEJIPEIBEILIANGTAIYIBUDIANJI,LIANGGEQIDONGSHENSUOGANGHEYITAIBUJINDIANJI,FENBIESHIXIANQIEXUEDAOJIADESHANGXIAQIANHOUYUNDONG,JIQIEXUEGUANDINGWEIHEQIEXUEDAOJUDEXINGZOUYUNDONG。