CN203131326U - 一种给水用3pe防腐钢管 - Google Patents

一种给水用3pe防腐钢管 Download PDF

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Publication number
CN203131326U
CN203131326U CN 201320075810 CN201320075810U CN203131326U CN 203131326 U CN203131326 U CN 203131326U CN 201320075810 CN201320075810 CN 201320075810 CN 201320075810 U CN201320075810 U CN 201320075810U CN 203131326 U CN203131326 U CN 203131326U
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steel tube
wall
tube body
epoxy powder
steel pipe
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边岭和
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SHANDONG HUAZHENG PLASTIC SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
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SHANDONG HUAZHENG PLASTIC SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

一种给水用3PE防腐钢管,包括钢管,环氧粉末涂层、胶粘剂层、聚乙烯层,其特征在于:在所述的钢管的内壁和外壁静电喷涂环氧粉末涂层,在钢管外壁的环氧粉末涂层的外周缠绕胶粘剂,在胶粘剂层上缠绕聚乙烯层。有益效果:本实用新型通过在钢管的内壁和外壁喷涂环氧粉末涂层和外壁的胶粘剂层上缠绕聚乙烯层,抗腐蚀、抗冲击、抗介质渗透,能够对钢管进行多层防护,环氧粉末层与钢管表面直接粘结,具有很好的耐化学腐蚀和抗阴极剥离性能,安全卫生无污染,非常适用于城市饮用水管道要求。

Description

一种给水用3PE防腐钢管
技术领域
本实用新型属于防腐钢管技术领域,特别涉及一种给水用3PE防腐钢管。 
背景技术
国内饮用水管道大多使用铸铁管、不锈钢管、PVC管、PP管等,材质品种多,防腐、安全性能、使用寿命等差别较大,3PE防腐钢管耐腐蚀、抗冲击、抗介质渗透性强、使用寿命长,具有比上述材质的供水管道更多的优点,但是大多应用于石油、化工、天然气、热力、污水处理等领域,目前国内3PE防腐钢管尚未应用到饮用水管道输送领域。 
发明内容
本实用新型的目的是针对现有技术存在的不足,提供一种结构简单、防腐、安全性能良好、使用寿命长的给水用3PE防腐钢管。 
本实用新型所采用的技术方案是:一种给水用3PE防腐钢管,其特征在于:在所述的钢管的内壁和外壁静电喷涂环氧粉末涂层,在钢管外壁的环氧粉末涂层的外周缠绕胶粘剂,在胶粘剂层上缠绕聚乙烯层。 
上述方案所述的钢管内壁涂层,使用符合供水标准的环氧粉末。 
有益效果:本实用新型通过在钢管的内壁和外壁喷涂环氧粉末涂层和外壁的胶粘剂层上缠绕聚乙烯层,抗腐蚀、抗冲击、抗介质渗透,能够对钢管进行多层防护,环氧粉末层与钢管表面直接粘结,具有很好的耐化学腐蚀和抗阴极剥离性能,安全卫生无污染,非常适用于城市饮用水管道要求。 
附图说明
下面结合附图和具体实施方式对本实用新型做进一步说明。 
附图为本实用新型的示意图。 
图中:1钢管,2钢管内壁环氧粉末涂层,3钢管外壁环氧粉末涂层,4胶粘剂层,5聚乙烯层。 
具体实施方式
如图所示的一种煤矿井下用3PE防腐钢管,钢管1经过抛丸除锈处理后,通过辊轮转动把钢管1传送到中频加热圈前端后暂停,将静电喷涂喷枪从钢管后端口穿入,一直穿过中频加热圈,枪头穿出中频加热圈50cm左右后停止,,开启中频加热器,当中频加热圈达到设定温度后,通过辊轮转动把钢管1穿过中频加热圈,当钢管1前端传送到喷枪枪头时,打开静电喷涂喷枪,对钢管内壁进行环氧粉末喷涂,直到钢管1完全穿过中频加热圈后关闭中频加热器,当钢管1后端通过喷枪枪头后关闭静电喷涂喷枪,钢管内壁环氧粉末涂层2完成;将内壁防腐涂层完成的钢管1再次放在螺旋传送辊道上传送,开启中频加热器,当中频加热圈达到设定温度后,通过辊轮转动把钢管1穿过中频加热圈,钢管1前端到达静电喷涂喷枪枪头时打开喷枪,对钢管外壁进行环氧粉末喷涂,钢管外壁环氧粉末层3在前进中固化,当钢管1前端到达胶粘剂挤出机的挤胶机头时,开启胶粘剂挤出机,在钢管外壁环氧粉末涂层上缠绕胶粘剂,当钢管1前端到达聚乙烯挤出机的机头时,开启聚乙烯挤出机,在胶粘剂4上缠绕聚乙烯层5。 

Claims (1)

1.一种给水用3PE防腐钢管,其特征在于:在所述的钢管的内壁和外壁静电喷涂环氧粉末涂层,在钢管外壁的环氧粉末涂层的外周缠绕胶粘剂,在胶粘剂层上缠绕聚乙烯层。 
CN 201320075810 2013-01-23 2013-01-23 一种给水用3pe防腐钢管 Expired - Fee Related CN203131326U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017012131A1 (zh) * 2015-07-20 2017-01-26 潍坊亿斯特管业科技有限公司 焊接后内防腐层免修补的内环氧外3pe 防腐管道及其制备工艺
CN111889987A (zh) * 2020-08-17 2020-11-06 福润得复合新材料有限公司 一种双金属复合防腐钢管的生产工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017012131A1 (zh) * 2015-07-20 2017-01-26 潍坊亿斯特管业科技有限公司 焊接后内防腐层免修补的内环氧外3pe 防腐管道及其制备工艺
CN111889987A (zh) * 2020-08-17 2020-11-06 福润得复合新材料有限公司 一种双金属复合防腐钢管的生产工艺

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