WATER-SUPPLY SYSTEM Russian patent published in 2004 - IPC

FIELD: water-supply systems for water delivery into residential and office buildings. SUBSTANCE: water-supply system comprises distribution pipeline connected by feed pipeline with hydrants arranged on each flush tank and reservoir with periodic water drainage. System also includes lateral pipeline, control unit for water quality and quantity control and treatment device located on feed pipeline. Treatment device comprises inlet part including lateral pipeline and converging nozzle having inner curvilinear guides and outer annular chamber. System has filtering means filled with filling substance, which forms chemical and biological means for water posttreatment and drainage. Lateral pipeline of treatment device and outer annular chamber are connected to reservoir with periodic water drainage. Treatment device has vibration trap arranged in inner chamber thereof. Filtering means is located around treatment device and divided by radial partitions into four chambers. Each chamber is filled in layers with multipurpose filling substances. Filtering means has protective net and regulating switch arranged in upper part thereof. Each chamber includes pulsators arranged under drainage means. Pulsators are formed as clotoid with tabs made of bimetallic plates and put on axis in layers. Number of tabs is at least two in each layer. Tabs are put on axis such that tabs may perform vertical motion between stops fixedly connected to axis. EFFECT: increased treatment plant transmission capacity due to pulsator installation. 4 dwg