The utility model discloses a
sewage treatment multi -medium filter device relates to multi -medium filter device technical field, including filter box, the one side fixed connection of filter box has the water inlet
pipe, the inside of filter box is provided with from top to bottom in proper order
anthracite layer,
quartz sand layer and garnet layer, the mechanism of washing and brushing, the mechanism of washing and brushing sets up on filter box, and the mechanism of washing and brushing is used for the cleaning of
anthracite layer,
quartz sand layer and garnet layer. The utility model discloses through the mechanism of washing and brushing can spray water and wash from below, drive cleaning
brush body to
brush and wash
anthracite layer on the top simultaneously, make up the defect that top washing is not enough, make cleaning more sufficient and comprehensive, can utilize the loosening of the
impurity that is jammed on the micropore on anthracite layer,
quartz sand layer and garnet layer with the knocking vibration effect of vibration auxiliary mechanism, so that being washed and brushed off by water or
brush body, further make cleaning more sufficient and comprehensive, reduce residual.