Drain system areal type
Drain systems of this type are designed for installation in high-rate trickling filters with granular loading at water treatment plants and at wastewater treatment plants in the post-treatment stage.
- The drainage and distribution system is made of AISI 304 stainless steel, service life of at least 20 years.
- The system covers the entire working area of the filter.
- Provides the ability to use one system to distribute both water and air for air-water flushing.
- Excludes the ingress of the filtering loading into system that significantly raisesits reliability and durability.
- The unevenness of distribution of flushing water along the length of the grid is less than 5%.
- The ease of installation of the Drain system minimizes modernization costs. The versatility of the design allows the use of drainage systems with filters of any configuration.
Parameter name | Parameter value |
Length, mm | 5000 |
Wight, mm | 250-350 |
Operating pressure, atm | 30 |
Loss of head in flushing, m H2O | |
Slot size, mm | 0,2-0,3 |
Uneven water distribution along the branch length, % | 5 |
Flushing load, l/(s × m²) | 4-18 |
Filtration load, m3/(m2 × h) | 0-16 |
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