WATER SUPPLY SYSTEM Russian patent published in 1997 - IPC

FIELD: municipal service facilities. SUBSTANCE: system can be used for supplying water to houses and administrative buildings. High quality water delivered to disposal cock is obtained after being purified from solid impurity particles caused by pipe corrosion. Additionally water is subjected to local chemical and biological treatment. Water supply system has distribution pipeline in the form of water riser tube 1, delivery pipeline 2 with shut-off valve 3, bypass pipeline 4 with valve 5, pipe 6 with valve 7 for tangential water delivery to inlet section 8 of purification device 9 made in the form of narrowing head piece with internal curvilinear guide members 10 in the form of grooves transforming into outer circular space 11, filtering part 12 of purification device 9, purified water pipeline 13 with valve 14 connected with water disposal cock 15, washing-off tank 16 and reservoir 17 with periodic water discharge connected by pipe 18, branching pipe 19 connecting outer circular space 11 with reservoir 17, pipeline 20 connecting distribution pipeline 1 with washing-off tank 16 through valves 21, 22. EFFECT: high efficiency. 2 dwg