METHOD FOR PRODUCING MOULDED SOLID FUEL Russian patent published in 2017 - IPC C10L5/04 C10L5/08 C10L9/00 

FIELD: chemistry.

SUBSTANCE: invention describes a method for producing moulded solid fuel, comprising: a pulverization stage for pulverizing low-grade coal; a stirring stage for mixing the pulverized low-grade coal and the oil solvent to form a slurry; a dewatering stage for heating and dewatering the slurry to form an anhydrous slurry; a stage for separating solid and liquid phases to separate the oil solvent from the dehydrated slurry to form a precipitate; a drying stage for heating the precipitate to further separate the oil solvent from the precipitate to produce powdered coal of enhanced quality; and a moulding stage for compression moulding the powdered coal of improved quality by means of a moulding device without adding and/or mixing with a bonding material, in which at the stage of forming the moulding device on the surface, a cooling substance is pulverized to cool the surface and thus the surface temperature of the moulding device is maintained at 100°C or below.

EFFECT: producing moulded solid fuel from low-grade coal, having high strength.

6 cl, 4 ex, 1 tbl, 2 dwg