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钢制管道3LPE外防腐涂敷的新方法
引用本文:许传新,赵晓华,贾晓江,翟栩. 钢制管道3LPE外防腐涂敷的新方法[J]. 管道技术与设备, 2008, 0(3): 54-55
作者姓名:许传新  赵晓华  贾晓江  翟栩
作者单位:中油管道防腐工程有限责任公司,河北廊坊,065000;中油管道防腐工程有限责任公司,河北廊坊,065000;中油管道防腐工程有限责任公司,河北廊坊,065000;中油管道防腐工程有限责任公司,河北廊坊,065000
摘    要:介绍一种3LPE钢管外涂敷新方法,3LPE涂料中的3种不同涂料都以粉末态呈现,3种涂料用不同的喷枪同时进行静电喷涂,涂敷在加热的钢管表面一次成膜。该方法可代替"环氧粉末静电喷涂,胶粘剂和聚乙烯挤出、缠绕、辊压"一次成膜的方法,不仅解决了钢管焊缝上与管体涂层不一致的问题,而且大大降低了生产作业线的能耗和运转精度。

关 键 词:3LPE(三层聚乙烯)  侧向缠绕  静电喷涂  补热  远红外  聚乙烯和胶粘剂粉末

New Method of 3 Layer Polyethylene Application Concerning the External Steel Pipeline
XU Chuan-xin,ZHAO Xiao-hua,JIA Xiao-jiang,ZHAI Xu. New Method of 3 Layer Polyethylene Application Concerning the External Steel Pipeline[J]. Pipeline Technique and Equipment, 2008, 0(3): 54-55
Authors:XU Chuan-xin  ZHAO Xiao-hua  JIA Xiao-jiang  ZHAI Xu
Abstract:This is an introduction of a new kind of 3-layer-polyethylene application method concerning in the external steel pipeline coating.It is a kind of method used for spraying three types of raw coating material,which appears as powder with different spreading guns at the same time,spreading on the surface of the heated pipeline and making membrane at one time.The old method can be replaced by the new one,which is applied to hotsteel pipe body"fusion bonded epoxy electrostatic spraying,adhesive and polyethylene extruding,wrapping and by rolling and making membrane at one time".The new method not only eliminates the thickness difference between the welded seam top coating and the steel pipe body coating,but also reduce the production energy consumption and improves the practical operation accuracy.
Keywords:3-layer-polyethlene  side-wrapping  electrostatic spraying  supply heating  far-infrad heating  polyethylene adhesive
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