Mining full automatic on -line continuous operation back flush high pressure filter

The utility model discloses a mining full automatic on -line continuous operation back flush high pressure filter, including main feed liquor pipe, main two -way hydraulically controlled check valve, vice feed liquor pipe, vice two -way liquid accuse valve, vice blowdown check valve, vice filter, vice filter insert, vice check valve, main filter, the drain pipe goes out the liquid switch, the ring flange, the flange, main filter core, the blowdown chamber, the blow off pipe, main blowdown check valve, parts such as fastening bolt constitute. Highly pressurised liquid passes through the feed liquor pipe and gets into main filter, liquid from drain pipe supply execute component, main filter core in by liquid impurity block up the back pressure lifting, vice two -way hydraulically controlled check valve is opened to liquid, gets into the drain pipe through vice filter, partial fluid passage reversed flow flows in main filter core and is discharged sewage by main blowdown check valve, the effect of playing online back flush filter core and supplying liquid in succession.