METHOD TO RECYCLE SOLID DOMESTIC WASTES INTO FUEL FOR FURNACES OF HIGH-TEMPERATURE SYNTHESIS OF CEMENT CLINKER Russian patent published in 2013 - IPC C10L5/46 C10L5/08 B09B3/00 

FIELD: power engineering.

SUBSTANCE: invention relates to the method of recycling solid domestic wastes (SDW) into fuel for furnaces of high-temperature synthesis of a cement clinker, including sorting of initial SDW so that at first such incombustible fractions such as batteries, stones, fragments of glass and faience, then secondary materials are extracted, including ferrous and non-ferrous metals. The remaining mass is previously ground to the fraction of 50-100 mm, dried to humidity of 5-10%, and then ground to the fraction of 8-10 mm. The ground raw materials are heated to 160-200°C and exposed to thermoplastic extrusion to produce fuel pellets.

EFFECT: method makes it possible to increase physical and mechanical strength of RDF fuel, to eliminate water absorption due to capsulation of granules in process of their manufacturing, to prevent possibility of rotting and self-ignition, to reduce costs during storage and transportation, to reduce energy intensity of its production, to improve environment, also to reduce volume of SDW removed to SDW landfills, to eliminate capital costs for construction of plants for wastes management in connection with usage of equipment of existing cement production facilities.

1 cl, 4 dwg