75799684
Sep 14, 1999
Aug 5, 2003
[ mechanical and electrical equipment, namely, electrical-mechanical bunker units comprised of a moving floor, plate conveyor, feeding funnel and a screw conveyor; sieve drum, bar screen, and flat sieve used for sieving; bag breaker, screw mill and sieve drum used for shredding; magnetic separator, namely, an electromagnet and belt conveyor; transportation system, namely, plate conveyor, screw conveyor, and belt conveyor; equipment for wet pre-treatment, namely, hydropulper, rake for removing contaminants, trap for contaminants, sand separator for the heavy fraction of the waste, rake fraction hydraulic press, and rake fraction dryer; sand catcher, namely, a hydrodynamic grit removal system consisting of a classifying pipe, a grit box, namely, a water-filled container in which grit is collected, and a grit classifier, namely, a container in which grit and water is separated; suspension buffer, namely, anaerobic or aerobic tanks for the temporary storage of waste suspension, comprised of a mechanical mixer for stirring waste suspension, gas mixing system consisting of pipes for pressing gas or air into the tanks to create circulation, and circulation pumps to suck out suspension from the bottom of the tank and refill suspension; equipment for physical and chemical treatments, namely, hygienization containers with heat exchangers to heat waste suspension to exterminate germs, dosing tank with a pump to store chemicals, and reaction to facilitate a reaction between waste suspension and chemicals added thereto; anaerobic digesters, namely, tanks having no air supply to prevent uncontrolled escape of gases, mechanical mixer for creating circulation within the tank to mix suspension therein or circulation pumps to suck waste suspension from the bottom of the tank while refilling the tank from the top with waste suspension, heat exchangers comprising plates, spirals or pipes made of zinc-coated steel, stainless steel, glass fiber, or reinforced polyester, anaerobic fixed film reactor; equipment for solid-liquid separation, namely, centrifuge, screw mill, belt filter press, dewatering screen, and belt filter; dewatering system, namely, rake fraction hydraulic press, screw press, sand separator, rake fraction dryer; storage tanks for intermediate storage of waste suspension, and flocculants; zinc-coated steel, stainless steel, glass-fiber, and reinforced polyester pipes; pumps, namely, centrifugal pumps, drum pumps, motor pumps, axial-flow pumps, hose pumps, diaphragm pumps, venturi pumps, dosing pumps; electrical installation, namely, electrical cables, electric switches, electric switch cabinets, electric safety fuses, electric switches, electrical transformers, electrical motors, electric frequency converters; equipment for process control system and for the pre-sorting system, namely, sieves to separate large and small parts, magnets to tear ferromagnetic metal out of the waste and transport it, bag breakers to rip open waste bags by knives, orbiting chains or bands with nails, used to pick up empty plastic bags lying in the waste; front end loaders; equipment for aerobic post-treatment, namely, composting machines; equipment for utilization of biogas, namely, condensate containers manufactured from steel, stainless steel, synthetic or concrete material, pressure intensifiers, iron rods used for desulphurization, pipe heat exchanger used as a refrigerating aggregate to cool gas, metal containers for use as gas reservoirs, expandable foil containers; separators for the cleaning and purification of gas; equipment for air control system comprised of internal pipelines and ventilation fans, water nozzle for moistening the air, biological filters, concrete and synthetic plates for leading air through the system; and component parts therefor, all for use in the treatment of biological waste, and for the treatment and reprocessing of biogenous substances, waste mixtures, and waste water ]
Environmental Control ApparatusREPROCESSING AND TREATMENT OF BIOGENOUS SUBSTANCES, WASTE MIXTURES AND WASTE WATER
Treatment of MaterialsENGINEERING SERVICES AND SCIENTIFIC AND INDUSTRIAL RESEARCH IN THE FIELD OF ENVIRONMENTAL TECHNOLOGY
Computer and Scientific