Concept, function and task of trash rack

 What is trash rack?

Trash rack or trash screen, drainage rack are devices/tools with flat, flattened surfaces, large cross-section. On the surface there are small holes or gaps for the purpose of allowing water to flow through. Trash racks are mainly installed in drainage systems, wastewater treatment or rainwater, to prevent coarse waste such as leaves, plastic bags, bottles, branches, gravel… before water continues to flow into the drainage system or pumping station.
Trash racks are usually made of cast iron, composite, Grating steel, stainless steel, galvanized steel, hard plastic or concrete with a screen…
Function and effect of trash racks
The main function of trash racks is to prevent large objects such as trash, leaves and foreign objects before water flows into sewers or collection tanks, drainage systems below; or flow into the house every time it rains heavily and floods, helping the drainage system operate stably. These types of waste pose a potential risk of clogging sewers and drainage systems; causing flooding for roads and neighborhoods. Therefore, trash racks are an indispensable item in the wastewater treatment system for production and daily life. See more at: https://vietaco.vn/chuc-nang-nhiem-vu-cua-song-chan-rac-trong-he-thong-thoat-nuoc-do-thi-951.html


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