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排水管材目前在市场上的前景怎么样?

作者: admin    来源:http://www.laobingguandao.com  时间:2019-10-07    人气:
  目前国内排水管市场主要分为金属排水管和塑料排水管两大类,主流产品分别为铸铁排水管和UPVC排水管。这两种管材在国内建筑安装工程中使用时间较长。通过多年的工程实践检验,其优缺点已被广泛认识。那些年排水管材料市场新出现和槽式压力环连接方法,高密度聚乙烯(HDPE)塑料排水管材材质,举行传统的利益同时塑料管道和金属管道,有自己的优秀功能,很快受到广大工程技术人员的关注。根据多年的医疗施工规划和工程实践经验,通过槽形压力环连接的高密度聚乙烯(HDPE)排水管道在医疗建筑室内排水系统中具有独特的优势。
  At present, the domestic drain pipe market is mainly divided into two categories: metal drain pipe and plastic drain pipe. The main products are cast iron drain pipe and UPVC drain pipe. These two kinds of pipes have been used for a long time in domestic construction and installation projects. Through many years of Engineering practice, its advantages and disadvantages have been widely recognized. In those years, the new method of connection between drainage pipe material market and trough pressure ring, the high density polyethylene (HDPE) plastic drainage pipe material, the traditional benefits of plastic pipe and metal pipe, has its own excellent functions, and soon attracts the attention of engineering and technical personnel. According to many years of medical construction planning and engineering practice experience, the high density polyethylene (HDPE) drainage pipe connected by trough pressure ring has unique advantages in the indoor drainage system of medical buildings.
  首先,排水管道的底部功能应具有良好的水力特性。与普通塑料管相似,HDPE管具有同样光滑的内表面,内壁粗糙度系数约为0.010,耐水性小,相比铸铁排水管具有更高的输送液体的天赋,使建筑排水系统更加光滑。此外,HDPE管材具有出色的抗紫外线天赋,露天存放,不受紫外线辐射而老化、脆化,埋管在-60°C ~ 60°C范围内可安全使用50多年。然而,UPVC管的未暴露寿命一般只有15年。根据材料的燃烧特性,一般将UPVC管归类为可燃材料,在燃烧过程中会产生大量有害气体,严重污染环境;将HDPE管归类为慢燃材料,在燃烧过程中不会产生有毒物质。
  Firstly, the bottom function of drainage pipeline should have good hydraulic characteristics. Similar to ordinary plastic pipes, HDPE pipes have the same smooth inner surface, roughness coefficient of inner wall is about 0.010, water resistance is small, compared with cast iron drainage pipes, it has a higher ability to transport liquid, making the building drainage system more smooth. In addition, HDPE pipes have excellent anti-ultraviolet talent. They are stored in the open air, aging and embrittlement free from ultraviolet radiation. They can be safely used for more than 50 years in the range of - 60 C to 60 C. However, the unexposed life of UPVC tubes is generally only 15 years. According to the combustion characteristics of materials, UPVC pipes are generally classified as combustible materials, which will produce a large number of harmful gases and seriously pollute the environment in the combustion process; HDPE pipes are classified as slow-burning materials, which will not produce toxic substances in the combustion process.
HDPE双平壁钢塑复合缠绕管
  其次,医疗建筑中使用的排水管道应具有良好的静音功能。HDPE管材质密度小(约950Kg/m3),比铸铁管柔软有弹性,吸震吸音效果好,能听到声波,降噪效果极佳;其特殊的槽型压力环连接方式是一种柔性接口。两个管件之间用c型密封圈隔开,以减少振动,隔绝声波传播的影响。
  Secondly, the drainage pipes used in medical buildings should have good silence function. HDPE pipe has low material density (about 950Kg/m3), is softer and more elastic than cast iron pipe, has better shock absorption and sound absorption effect, can hear sound wave, and has excellent noise reduction effect. Its special groove pressure ring connection mode is a flexible interface. The two fittings are separated by a C-ring seal to reduce vibration and isolate the influence of sound wave propagation.
  是另一个的作品适合医疗建筑有良好的化学稳定性,常用的土壤环境中,电力、酸和碱等元素不会使管道损坏,也不会滋生细菌,微生物或苔藓动物的医疗建筑带有细菌的废水排放,对建筑物安全,确保卫生用品。除少数强氧化剂外,大多数化学物质对HDPE管道在室温下无影响,这为大中型卫生基地、疾病防控基地等建设项目实验室排水管道的选择提供了依据。使用HDPE排水管道可长期排放高ph值的化学废水,无需担心管道的腐蚀等化学效应造成的破坏。UPVC塑料管一般不具备耐酸碱腐蚀的功能。铸铁排水管道需要内壁涂有耐腐蚀材料层才能排放化学废水,但其耐腐蚀效果远远不如HDPE管道。
  Another work is suitable for medical buildings with good chemical stability. In commonly used soil environment, electricity, acid and alkali will not damage the pipes, and will not breed bacteria. The microbiological or bryophytic medical buildings are equipped with bacterial wastewater discharge, building safety and sanitary supplies. Except for a few strong oxidants, most chemicals have no effect on HDPE pipelines at room temperature, which provides a basis for the selection of laboratory drainage pipelines for large and medium-sized health bases, disease prevention and control bases and other construction projects. The use of HDPE drainage pipeline can discharge chemical wastewater with high pH value for a long time without worrying about the damage caused by chemical effects such as pipeline corrosion. UPVC plastic pipes generally do not have the function of acid and alkali corrosion resistance. Cast iron drainage pipes need to be coated with corrosion-resistant material to discharge chemical wastewater, but its corrosion resistance effect is far inferior to HDPE pipes.
  最后,为了积极响应国家“以塑料代替钢铁”的号召实施,HDPE管作为一种新型塑料排水管道即将在市场上以优越的功能和低廉的价格推出。HDPE排水管道在医疗建筑工程室内雨水、污水排水系统中具有广阔的应用前景。
  Finally, in order to actively respond to the call of "replacing steel with plastics", HDPE pipe, as a new type of plastic drainage pipe, will be introduced in the market with superior functions and low prices. HDPE drainage pipe has broad application prospects in indoor rainwater and sewage drainage system of medical construction projects.

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