PE, is the simplest polymer organic compound in structure and the most widely used polymer material in the world today. It is made of ethylene polymerization. At present, polyethylene (PE) pipelines are more and more widely used in the transport of gas, heat supply, water supply, agricultural irrigation, sewage, mud and fine sand transport and other fields.
Polyethylene (PE) pipe classification:
According to the pipe density: high density polyethylene pipe, medium density polyethylene pipe, low density polyethylene pipe
According to the pipe structure: smooth wall polyethylene pipe, double wall corrugated polyethylene pipe, spiral wound polyethylene pipe
According to the pipe material: crosslinked polyethylene pipe, aluminum-plastic composite polyethylene pipe, copper-plastic composite polyethylene pipe steel-plastic composite polyethylene pipe
According to the use of the pipeline: drainage pipe, gas pipe, electrical casing, agricultural pipe, industrial pipe hot water heating pipe, sewage pipe
Characteristics of polyethylene pipe
PE pipe is characterized by light weight, corrosion resistance, service life is generally 50a, do not need anticorrosion. PE pipe can easily bypass or avoid obstacles by using the natural bend of the pipeline, which is suitable for laying underground pipelines and obstacles in urban streets. However, although the current PE pipe can add a variety of modifiers, but its mechanical properties, anti-aging properties, stability, easy deformation and so on compared with steel materials there is still a big gap, in the use of PE pipe to transport pressure fluid, it is necessary to increase the thickness of the pipe wall.
The use of polyethylene pipe
1. Urban water supply :PE pipe has a wide range of advantages such as safety, health, convenient construction, long service life, and has become the ideal pipe for urban water supply.
2. Conveying ore and sludge :PE pipe has a unique wear resistance 4 times higher than steel pipe, can be widely used in conveying ore, power plant fly ash, river dredging mud.
3. Natural gas and gas transmission :PE pipe has a number of advantages such as reliable connection, stable performance, convenient construction, corrosion resistance, etc., making it the choice of low and medium pressure natural gas pipelines.
4. Food and chemical industry :PE pipe has unique corrosion resistance, can be used to transport or discharge a variety of acids, salts salts, long service life, low cost, low maintenance costs.
5. Replace the cement pipe, cast iron pipe, steel pipe: for the existing urban cement pipe, cast iron pipe, etc., you can re-choose the old pipe. PE pipe can be directly inserted into the old pipe replacement, no need for large-scale excavation, low project cost, short construction time, especially suitable for the old city pipeline replacement.
6. Garden pipe network: gardening needs a lot of water pipes, and PE pipes are cheap and worth vigorously promoting
7. Agricultural planting irrigation: In recent years, the state has vigorously promoted agricultural planting water saving and efficiency, water-saving irrigation projects and the construction of high-standard farmland for smart agriculture have accelerated agricultural development, and pe pipe has also played an important role as the main pipeline of water-saving equipment.
In short, PE tubes have good characteristics. The use of a wide range of fields in which water supply and gas pipes are its two largest application mark.
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