| 摘要 |
FIELD: cleaning of water. SUBSTANCE: filter has cylindrical housing with holes through which water flows inside from the outside in filtration and in opposite direction in regeneration of filter. Outer wall of filter housing is provided with several longitudinal fins; width of each fin is equal to 25-75 percent of diameter of housing. These fins are used to separate layer of fibrous dirt into parts, thus facilitating regeneration of filter. EFFECT: enhanced efficiency. 3 cl, 7 dwgd
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