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3PE防腐钢管罕见成绩

来源:http://www.rrhsf.com 日期:2019-01-07 发布人:admin
3PE防腐钢管罕见成绩
Rare Achievements of 3PE Anticorrosive Steel Pipe
3PE防腐钢管主体直管是在工厂停止防腐层预制,预留补口段,然后到现场停止焊接,再用热膨胀套或热膨胀带补口,关于弯管局部,目前采用较多的工艺是用热缩缠绕带停止同等级3PE防腐,但是这样防腐工艺缺陷是无法机械化流水线施工,只能人工缠绕,比拟耗时,且资料费用也很高,而且施工质量对防腐的质量是有很大影响的,质量控制比拟难。目前有的设计单位开收回了新型的双层环氧外加防腐胶带的防腐工艺。这项工艺充沛应用了低温熔结环氧粉末的优良的防腐功能,而且可采用机械喷涂,外加的防腐胶带造价也比拟低,这样构成以来,外缠绕的防腐胶带就可以作爲涂层的外维护构造,可以无效消弭双层环氧粉末涂层厚度薄,容易零落和碰掉而让防腐层生效的缺陷。
The main straight pipe of 3PE anticorrosive steel pipe is to stop the anticorrosive layer prefabrication in the factory, reserve the filling section, then stop welding at the site, and then use the thermal expansion sleeve or thermal expansion belt to repair the joint. As for the bending pipe, at present, more technology is used to stop the same grade of 3PE anticorrosive with thermal shrinkage winding belt. But this anticorrosive technology defect is unable to mechanize the pipeline construction, only manual winding, which is comparatively time-consuming. Moreover, the cost of data is very high, and the quality of construction has a great impact on the quality of anti-corrosion, so the quality control is difficult to compare. At present, the design units have retrieved the anticorrosive technology of the new double-layer epoxy plus anticorrosive tape. This technology has abundantly applied the excellent anticorrosion function of low temperature melted epoxy powder, and can be sprayed mechanically, and the cost of the additional anticorrosive tape is comparatively low. Since the formation of this technology, the external winding anticorrosive tape can be used as the external maintenance structure of the coating, which can effectively eliminate the defects of thin thickness of double-layer epoxy powder coating, easy to fall off and collide and make the anticorrosive layer effective.
聚氨酯保温钢管厂家
实践使用中,防腐胶带的品种可以选择聚乙烯防腐胶带和聚丙烯加强纤维防腐胶带。聚乙烯防腐胶带延展性好,柔韧,聚丙烯防腐胶带的耐磨功能高些,所以目前多选择倾向是聚丙烯加强纤维防腐胶带,源于其优良的机械强度。当然,这样工艺综合防腐功能特别是防腐层强度比用热缠带停止防腐要略差的,管子在运输施工中,容易碰伤和破损,还需求进一步改良。
In practice, polyethylene anti-corrosion tape and polypropylene reinforced fiber anti-corrosion tape can be selected as the varieties of anti-corrosion tape. Polyethylene anti-corrosive tape has good ductility, flexibility, and the wear resistance of polypropylene anti-corrosive tape is higher. Therefore, at present, polypropylene reinforced fiber anti-corrosive tape is the most preferred choice, which originates from its excellent mechanical strength. Of course, the comprehensive anticorrosive function of this process, especially the strength of the anticorrosive coating, is slightly worse than stopping anticorrosive with hot wrapping tape. Pipes are easy to be damaged and damaged in transportation and construction, and further improvement is needed.
对我们的防腐钢管的市场,从微观的角度停止剖析,防腐钢管价钱的继续下滑,次要是由于很多钢材的产量过剩,在防腐钢管的市场中出现出了供大于求的趋向,所以价钱才会出现下降的趋向。往年我们的防腐钢管的市场依然需求停止盘整,但是往年在短期内将防腐钢管的价钱提升到某一个高度是比拟困难的,如今很多的厂家爲了可以加重本人的库存压力,铤而走险的停止赔本销售,希图停止资金的周转。专家估计,随着我们关于城镇建立的继续升温,在将来市场关于防腐钢管的需求量会比拟大,那麼希图将防腐钢管的市场停止回暖是很有希望的。
For our anticorrosive steel pipe market, from the micro point of view, the price of anticorrosive steel pipe continues to decline. Secondly, due to the excess production of many steel products, there is a trend of oversupply in the anticorrosive steel pipe market, so the price will decline. In the past year, our anticorrosive steel pipe market still needs to stop consolidating, but in the past year, it is difficult to raise the price of anticorrosive steel pipe to a certain height in a short period of time. Nowadays, many manufacturers are desperately trying to stop losing money in order to increase their inventory pressure. Experts estimate that with the continuous warming of our urban construction, the market demand for anticorrosive steel pipes will be comparable in the future, so it is hopeful that the anticorrosive steel pipe market will stop warming up.
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The above content is provided by Shandong Hipper Pipe Technology Development Co., Ltd. To learn more about polyurethane insulation pipe manufacturers, you can pay attention to our website: http://www.rrhsf.com Thank you!

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