PE (Polyethylene) composite spiral corrugated pipe and processing method thereof

Abstract

The invention relates to a PE (Polyethylene) composite spiral corrugated pipe and a processing method thereof. The PE composite spiral corrugated pipe comprises a pipe extruded material outer layer and a pipe extruded material inner layer. The processing method comprises the steps of mixing raw materials, extruding through an extruder, extruding through an extruding die head, sizing, cooling, drawing a pipe, cutting and piling on a frame. The PE composite spiral corrugated pipe made by the processing process has high low-temperature toughness, high rigidity, high ring stiffness and high creep resistance, and is not be deformed by gravity in a long-term use process, thus prolonging the service life of a product; the PE composite spiral corrugated pipe can be popularized on a large scale.

Description

technical field [0001] The invention relates to a PE composite spiral corrugated pipe and a processing method thereof, belonging to the technical field of plastic pipe processing. Background technique [0002] With the sustained and stable high-speed growth of my country's national economy, it provides a good macro environment and broad space for urban infrastructure construction. With my country's increasing emphasis on environmental protection, governments at all levels from the central government to local governments have issued a series of policies and regulations on water conservation, pollution control and environmental protection. Water supply, water saving, drainage and sewage treatment will become the focus of urban municipal construction in the future, which provides market development space for the promotion and application of large-diameter plastic pipes. Because structural wall pipes can save raw materials and reduce costs, structural wall pipes have become the...

AI Technical Summary

Problems solved by technology

The U-PVC spiral corrugated pipe used in drainage and sewage pipes in my country has the advantages of good rigidity and low price; however, it also has the disadvantage of poor low-temperature impact performance, and it is very easy to be damaged especially in winter construction in the north

The PE spiral corrugated pipe has obvious advantages in low temperature toughness, but due to the characteristics of the PE material, its rigidity is worse than that of the cement pipe, and the ring stiffness and creep resistance of the pipe are worse than the PVC corrugated pipe. During long-term use, it is easy to be damaged. Gravity deformation affects the service life of the product

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