INSTALLATION FOR PURIFICATION OF DOMESTIC WASTE Russian patent published in 2000 - IPC

FIELD: devices for separation of liquid or solid substances from sewage water, applicable for purification of domestic waste in houses having no centralized sewer system. SUBSTANCE: the installation has a casing in the form of a sectionalized vessel with hydro seals, vent tube, heat jacket, inlet and outlet connections accommodating a methane tank and a trickling biofilter separated by a heat-conducting wall provided with a preloading device in the upper part and a filter-aeration chamber in the lower part, connected to a water receiving sump through an outlet connection. Besides, the installation is provided with a tertiary treatment unit installed past the water receiving sump and connected to it through a pipe-line. The preloading device is made in the form of a breaker plate with a central tray and funnels uniformly arranged on the entire area in the form of truncated regular right-angles pyramids facing upward with the larger base, with a system of distribution gutters located around them and communicating with one another and with the central tray, and the filter-aeration chamber of the trickling biofilter is made in the form of a grating with slit-like holes contracting upwards installed on spacers. EFFECT: enhanced efficiency of purification of domestic waste (up to 98%) at a high compactness of installation. 9 dwg