Self -cleaning formula precision filter

The utility model relates to a self -cleaning formula precision filter, including shell cylinder body, go up filter element pipe board, filter element pipe board, top tube case, low tube case, a plurality of filter core down, the low tube incasement is provided with the baffle and uses to keep apart the space of low tube incasement and be two cavitys, is provided with former feed liquid entry corresponding to one of them cavity on the low tube case, is provided with former material liquid outlet corresponding to another cavity on the low tube case, the last finished product liquid that is provided with of shell cylinder body exports and backwashing port. This self -cleaning formula precision filter adopts the baffle to form the bi -directional flow way, so carrying out the filterable in -process of former feed liquid, the flow of former feed liquid extends to treat filterable former feed liquid self filtering core by interior and filter outward, filter fineness can improve. Filter coreamong this self -cleanin