The role of steel-lined plastic pipe in the acid-base system of demineralized water station
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September 07 10:09:28, 2025
The desalination plant primarily relies on acids or bases as regenerants to prevent fouling of the reverse osmosis membrane in ion exchange resins. Most of the working medium generated from these chemicals is highly corrosive, making corrosion a significant issue within the desalination station. This problem not only affects the normal operation of the system but also leads to environmental pollution. The equipment and pipelines in the demineralized water station are particularly prone to corrosion, with cracks and leaks commonly occurring due to the aggressive nature of the acid and base systems. As a result, selecting appropriate anti-corrosion materials has become a top priority for the desalination plant.
Currently, the majority of equipment and piping in acid and alkali systems are protected using steel-lined plastic pipes and storage tanks. Steel-lined plastic pipes, also known as plastic-lined pipe fittings, offer high mechanical strength and excellent resistance to corrosion. They are cost-effective compared to other materials, especially when dealing with media that severely corrode metal. However, these pipes are typically suitable for low to moderate operating temperatures and pressures. When designing such piping systems, it's essential to provide proper support near flanges, valves, and critical joints to prevent deformation and potential leakage.
In addition to their structural benefits, steel-lined plastic pipes are widely used in industrial applications where chemical resistance is crucial. Their ability to withstand harsh environments makes them a popular choice for desalination and water treatment facilities. For more detailed information about steel-lined plastic pipes and their applications, you can visit: http://news.chinawj.com.cn
This article was submitted by ChinaWJ.com.cn.