Compound backpurge system's of spiral pulse air water water -locator structure of intaking

The utility model discloses a compound backpurge system's of spiral pulse air water water -locator structure of intaking, including inclosed filtering ponds that link to each other with the sedimentation tank, the bottom of filtering ponds is equipped with clear water output pipeline, the top of filtering ponds is equipped with the inlet tube, the inside upside of filtering ponds is equipped with the water -locator of evenly arranging, be equipped with the filter screen that prevents filtering medium and rush out in the water -locator, the import of water -locator links to each other with a water knockout drum outside extending to the filtering ponds top, the water knockout drum links to each other with the inlet tube again, be equipped with a blow off pipe between inlet tube and the water knockout drum, all be equipped with an automatic control's electric valve on inlet tube and the blow off pipe, the utility model discloses guaranteeing that rivers that the inlet tube got into get into the top of filtering ponds more gently behind water knockout drum and water -locator uniform distribution, reducing the water column and wash away filtering medium, do benefit to the system of filtering water more, during the blow off pipe can be be fast arranged through water -locator and water knockout drum to back flush sewage, it is marginal that sewage can not overstock filtering ponds inside.