Patent ID: 8517182
Filing Date: 2013-08-27
Classification: B01D

Abstract:
1. A reflux backwashing mechanism for automatic fluid filtration, comprises an upper housing ( 17 ) and a lower housing ( 18 ) that are installed together; wherein the upper housing comprises a fluid entry mouth ( 1 ), a back flow exit mouth ( 15 ); the interior of the upper housing ( 17 ) and lower housing ( 18 ) contains an upper baffle plate ( 4 ); the upper baffle plate contains directional pores ( 3 , 25 ) which are connected to the interior of the upper and lower housing; the interior of the upper housing ( 17 ) contains a fluid inversion chamber ( 2 ) whose interior contains a rotatable blade ( 11 ) and baffle plate ( 10 ); the interior of the lower housing ( 18 ) contains at least two filtration cores ( 7 , 8 ); the upper opening of the filtration core and the pores of the upper baffle plate ( 4 ) correspond; the interior of the lower housing contains a lower baffle plate ( 6 ); impure oil pores ( 19 ) are located on top of the lower baffle plate ( 6 ); the impure oil pores ( 19 ) and the lower opening of the filtration core correspond, wherein the interior of the fluid inversion chamber ( 2 ) contains a hollow core shaft sleeve ( 12 ), the blade ( 11 ) and the baffle plate ( 10 ) are connected to the hollow core shaft sleeve ( 12 ); the hollow core shaft sleeve ( 12 ) contains an opening situated at the bottom of the baffle plate; the interior of the hollow core shaft sleeve ( 12 ) contains an upward opening hollow core shaft ( 13 ); the shaft wall of the hollow core shaft ( 13 ) are distributed with pores ( 14 ); the hollow core shaft ( 13 ) is installed on top of the upper baffle plate ( 4 ); wherein the directional pores of the upper baffle plate ( 4 ) contain two sections and are inter-connected; the upper section pores of the baffle plate is slant positioned relative to the lower section pores, whose slanted direction and the fluid flow direction in the fluid inversion chamber are basically the same.