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  • 我国塑料管道正在稳步发展
  • 本站编辑:杭州康美塑化有限公司发布日期:2017-12-07 09:39 浏览次数:
PE管、PP-R管、 UPVC管都占有一席之地,其中PE管强劲的发展势头令人瞩目。PE管的使用领域广泛。其中给水管和燃气管是其两个较大的应用市场。
PE pipe, PP-R pipe, UPVC pipe has a space for one person, one of the most strong momentum of development of PE remarkable. Use the field of PE pipe widely. The water pipe and gas pipe are the two largest application markets.
 
随着PE管材使用量日益增加,PE管材生产也得到了飞速发展,并带动相应的生产线的高速发展。PE管材生产线选用专用HDPE、PP管材的高效挤出机,螺杆采用带屏障和混炼头结构,机筒采用新型开槽机筒,塑化和混炼效果好,挤出量大而且非常稳定。同时采用专有技术的定径和冷却系统,采用水膜润滑和水环式的冷却,以适应HDPE、PP物料的要求,确保高速生产厚壁管是直径和圆度的稳定。
With the increasing use of PE pipes, the production of PE pipes has also been developed rapidly, and the rapid development of the corresponding production line has been promoted. The PE pipe production line selects high efficiency extruders with special HDPE and PP pipes. The screw adopts the structure with barrier and mixing head, and the machine barrel adopts the new slotting machine barrel, which has good effect of plasticizing and mixing, and has large volume and very stable volume. At the same time, the diameter and cooling system of proprietary technology is adopted. The water film lubrication and water ring cooling are adopted to meet the requirements of HDPE and PP materials, so as to ensure the stability of diameter and roundness of high-speed production thick walled pipes.
PE管材的特点很多,除了无毒卫生、耐腐蚀、连接方便之外,还有很多,
 
PE pipes have a lot of features, in addition to non-toxic health, corrosion resistance, and convenient connection, there are many,
 
1、优良的绕性:聚乙烯管的绕性使聚乙烯给水管可以盘卷宗,以较长的长度供应,避免了大量的接头和管件,增加了该材料对于管线的经济价值。
1, excellent winding property: polyethylene pipe's winding property makes polyethylene water supply pipe can be rolled up for a long time, avoiding a large number of joints and fittings, and increasing the economic value of the material for pipeline.
 
2、高韧性:聚乙烯给水管道是一种高韧性的管材,其断裂伸长率一般超过500%,对管基不均匀沉降的适应能力非常强,是一种抗震性能优良的管道。
2, high toughness: polyethylene water supply pipeline is a high toughness pipe, its elongation at break is generally over 500%, and has a very strong adaptability to uneven settlement of pipe base. It is an excellent pipeline with excellent seismic performance.
 
3、使用寿命长:聚乙烯压力管道安全使用寿命为五十年以上。
3, long life: polyethylene pressure pipe safety service life for more than fifty years.
 
4、连接可靠:聚乙烯管道系统之间采用电熔方式连接,接头的强度高于管道本体强度;聚乙烯管道与其他管道采用法兰连接。方便快捷。接缝不会由于土壤移动或活载荷的作用断开。
4, reliable connection: polyethylene pipe system is connected by electric melting mode, the strength of the joint is higher than that of the pipe body, and polyethylene pipe is connected with other pipelines by flanges. It is convenient and quick. The seams are not broken by the movement of the soil or the action of the live load.
5、抗应力开裂性能优良:HDPE具有低的缺口敏感性,高的剪切强度和优异的刮痕能力,耐环境应力开裂性能也非常突出。
5, excellent resistance to stress cracking. HDPE has low notch sensitivity, high shear strength and excellent scratch resistance, and is also very outstanding in environmental stress cracking.
6、耐磨性好:HDPE管道的耐磨性是钢管的4倍,而且可以比钢管提高输送效率20%左右。
6, good wear resistance: HDPE pipe wear resistance is 4 times the steel pipe, and can improve the transport efficiency of about 20% compared to the steel pipe.
 
7、水流阻力小:HDPE管道具有光滑的内表面,其曼宁系数为0.009。光滑的表面和非粘附特性保证HDPE管道具有传统管材更高的输送能力,同时也降低了管路的压力损失和输水能耗。
7, the flow resistance is small: the HDPE pipe has a smooth inner surface with a Manning coefficient of 0.009. The smooth surface and non adhesion properties ensure that the HDPE pipe has a higher transport capacity of the traditional pipe, and also reduces the pressure loss and the energy consumption of the pipeline.
 
正是PE管这些众多优良的性能特点,使得PE管的发展越来越迅速,适用范围越来越广。
It is these many good properties of PE pipe, PE pipe makes development more and more quickly, more and more wide range of application.
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