METHOD FOR PRODUCTION OF LUMPY FUEL FROM HIGH MOISTURE COAL Russian patent published in 2005 - IPC

FIELD: coal-mining industry; production of lumpy fuel from high-moisture coal.

SUBSTANCE: the invention is pertaining to the methods of production of household fuel, in particular, to production of fuel from low-calorie high-moisture coal. The method is realized by a coal grounding, coal crumbs loading in stacker, molding, laying, cutting of a mat grooves for bricks, a swathing and removing. After grounding the coal conduct coal charge blending with a peat crumbs with a volume of 20-25 % from the volume of the coal and with moisture of 50-60 %, or with binding consisting of a lignite sodium humate - 25 % and waters - 75 %. Besides the laying of bands is made abut with a space between the grooves of 20-30 mm and dry the bands in a permanent period till formation of flawings of 1-2 mm in width and changeover of black color of coal for brown, Then they apply a binding at the rate of 3 l per 1 m of a laying, age foe 5 hours, compact by a running roller with a soil pressure of 1.5-2 Mpa, dry up to the final moisture and remove. Then the cycles are repeated. Invention allows to reduce power costs of production of lumpy fuel at the expense of simplification of a method of its production.

EFFECT: the invention ensures reduced power costs of the lumpy fuel production, simplification of a method of its production.

2 cl, 3 dwg