DEVICE FOR CLEANING WATER RESERVOIRS AND SAPROPEL EXCAVATION Russian patent published in 1995 - IPC

FIELD: cleaning of water reservoirs. SUBSTANCE: combined in the device having intake working member, means for its motion and member for discharge of cleaning product (sapropel) are intake working member and means for its motion. Intake member is made in form of two-sides scraper with partition and discharging holes in partition which are communicated by means of hose with receiver through hollow shaft of driving drum. Motion means is made in form of hose whose one end is wound on driving drum installed in airtight chamber filled with compressed air. The other end of hose is turned inside out and attached to airtight chamber. Intake scraper is fastened to hose with the help of bands secured with their both ends to hose and embracing rollers attached to scraper body. When hose is filled with compressed gas, two-sided scraper moves into water reservoir to scoop sapropel and discharge it through hole and hose to receiver. When hose is wound on drum, scraper moves towards bank scooping sapropel with its other side. Sapropel is directed through hole in partition and hose to receiver through driving drum. EFFECT: higher efficiency. 1 dwg