DEVICE FOR VIBROREAGENT TREATMENT OF WATER WELL FILTER AND FILTER ZONE Russian patent published in 2001 - IPC

FIELD: operation of water inlets of underground waters and vertical drainage systems. SUBSTANCE: device includes tube with discs, vibrator with supporting frame provided with central tube concentric to embrace tube with discs which is secured to upper edge of central tube, sealer and adapter. Internal surface of tube with discs has curved helical jigs within height of filter. Connected tangentially to external surface of said tube directly under discs are narrowing nozzles having internal curved helical grooves on their surface. Lower end of tube with discs is plugged. EFFECT: higher efficiency of treatment of filter and filter zone of water wells with considerable depth and production capacity. 3 dwg