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在排水工程中我们会常用到哪些管材?

作者: admin    来源:http://www.laobingguandao.com  时间:2019-10-30    人气:
  内衬塑料管
  Lined plastic pipe
  可分为直缝焊管和螺旋焊管。可用于消防给水管网。它具有强度高、抗应变的优点,但其耐腐蚀性较差,应作为防腐处理。由于钢管的管径有不同的厚度,所以在选择管壁厚度时应加以注意。
  It can be divided into straight welded pipe and spiral welded pipe. It can be used in fire water supply network. It has the advantages of high strength and strain resistance, but its corrosion resistance is poor, so it should be treated as anti-corrosion. Due to the different thickness of pipe diameter, attention should be paid to the selection of pipe wall thickness.
  直缝焊管:生产工艺简单,生产效率高,成本低,发展迅速。
  Straight welded pipe: simple production process, high production efficiency, low cost, rapid development.
  螺旋焊管:螺旋焊管的强度一般高于直焊管。较大直径的管材可以用较窄的钢坯生产,相同宽度的钢坯可以生产不同直径的管材。但与同长度的直缝焊管相比,焊缝长度增加了30~100%,生产速度降低。因此,直径较小的焊管多为直缝焊,直径较大的焊管多为螺旋焊。
  Spiral welded pipe: the strength of spiral welded pipe is generally higher than that of straight welded pipe. The larger diameter tube can be produced with the narrower billet, and the same width billet can produce different diameter tube. However, compared with the same length of straight welded pipe, the weld length increases by 30-100%, and the production speed decreases. Therefore, the welded pipe with smaller diameter is mostly straight seam welding, and the welded pipe with larger diameter is mostly spiral welding.
  铸铁管
  Cast iron pipe
  球墨铸铁管是一种铸铁管,用作地下供水管道。
  Ductile iron pipe is a kind of cast iron pipe, which is used as underground water supply pipe.
  其优点是,与钢管相比,价格便宜,制造简单,耐腐蚀性强;缺点是脆性大,重量重。
  Compared with the steel pipe, the utility model has the advantages of low price, simple manufacture, strong corrosion resistance, and the disadvantages of large brittleness and heavy weight.
  数据显示DN40和DN80之间有管道,但设计手册只列出DN80及以上。不因公称压力而改变管壁厚度,不需要规定公称压力等级。
  The data shows that there are pipes between Dn40 and DN80, but the design manual only lists DN80 and above. Do not change the wall thickness due to the nominal pressure, and do not need to specify the nominal pressure level.
  高密度聚乙烯(HDPE)排水管
  High density polyethylene (HDPE) drain pipe
  HDPE是一种结晶度高的非极性热塑性树脂。原HDPE外观为乳白色,薄切片有一定的透明度。在给排水管道系统中,塑料管已逐渐取代铸铁管和镀锌管等传统管道成为主流。与传统管道相比,塑料管具有重量轻、耐腐蚀、耐水、节能、安装简单快捷、成本低等优点。
  HDPE is a kind of non-polar thermoplastic resin with high crystallinity. The original HDPE appearance is milky white, and the thin section has certain transparency. In the water supply and drainage system, plastic pipes have gradually replaced the traditional pipes such as cast iron pipes and galvanized pipes into the mainstream. Compared with traditional pipes, plastic pipes have the advantages of light weight, corrosion resistance, water resistance, energy saving, simple and quick installation, low cost and so on.
  HDPE管道主要用于:市政工程供水系统、建筑室内供水系统、室外埋地供水系统、住宅小区、工厂埋地供水系统、老旧管道维修、水处理工程管道系统、园林、灌溉等工业水管领域。
  HDPE pipeline is mainly used in municipal engineering water supply system, building indoor water supply system, outdoor underground water supply system, residential quarter, factory underground water supply system, old pipeline maintenance, water treatment engineering pipeline system, garden, irrigation and other industrial water pipe fields.
HDPE双平壁钢塑复合缠绕管
  增强聚丙烯(FRPP)模制管
  Reinforced polypropylene (FRPP) molding pipe
  玻璃纤维增强聚丙烯(FRPP)管是由经偶联剂处理的玻璃纤维改性聚丙烯制成的。产品具有耐腐蚀、强度高、漏泄电阻,内部阻力小、拉伸、弯曲、成本低、寿命长、安装维修方便等,广泛应用于石油、化工、电力、纺织、冶金、制药、造纸、食品、采矿、废物处理、建筑等行业,用于腐蚀性液体管道运输和过程,深受用户信赖。
  Glass fiber reinforced polypropylene (FRPP) pipe is made of glass fiber modified polypropylene treated by coupling agent. Products with corrosion resistance, high strength, leakage resistance, small internal resistance, stretching, bending, low cost, long life, easy installation and maintenance, etc., are widely used in petroleum, chemical industry, electric power, textile, metallurgy, pharmaceutical, paper, food, mining, waste treatment, construction and other industries, used for corrosive liquid pipeline transportation and process, deeply trusted by users.
  玻璃纤维增强塑料夹层(RPM)管
  Glass fiber reinforced plastic laminated (RPM) pipe
  管采用高强度玻璃纤维增强塑料的内部和外部加强层,中间是由廉价的石英砂/树脂管的核心层,提高刚度,辅以严格的输酸碱耐腐蚀内衬层和外保护层,以满足工作环境的要求形成一个复合管壁结构。RPM管可以通过离心铸造或缠绕工艺生产。因此,复合管有两种类型:缠绕管和离心铸造管。采用离心铸造工艺时,玻璃纤维采用短纤维。采用缠绕工艺时,玻璃纤维采用长纤维。离心铸造RPM管直径2400mm,纤维缠绕RPM管直径4000mm。热固性塑料管材。
  The inner and outer reinforcing layers of high-strength fiberglass reinforced plastics are adopted for the pipe, and the core layer of cheap quartz sand / resin pipe is used in the middle to improve the rigidity, supplemented by a strict acid-base corrosion-resistant inner layer and outer protective layer to meet the requirements of the working environment to form a composite pipe wall structure. RPM pipes can be produced by centrifugal casting or winding process. Therefore, there are two types of composite pipe: wound pipe and centrifugal casting pipe. When centrifugal casting process is adopted, short fiber is used for glass fiber. When the winding process is adopted, the glass fiber is long fiber. The maximum diameter of Centrifugally Cast RPM pipe is 2400mm, and that of filament wound RPM pipe is 4000mm. Thermosetting plastic pipe.
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