| 摘要 |
The densified fuel cubes are made by extrusion from a roller and ring apparatus, of the waste matter which is fed into the apparatus as a mass of pulverized carbonaceous matter having a particle size not exceeding 3/8ths inch. The fuel cubes have a bulk density of between 30 and 60 pounds per cubic foot and a heat value of not less than 8000 btu. The fuel cubes (150) are broken off, on issuing radially outwardly from horizontal and circumferentially disposed extrusion passages, of stationary die means (90) which are clamped between plates (23, 25). The extrusion is effected by wheels (rollers) (66, 68), which freely rotate on spindles (69), mounted upon a driven shaft (40) for orbiting rotation radially interiorly of the die means (90). The pulverised matter is gravitationally fed at an inlet (21), onto an inverted feed cone (45) which is also rotated by the shaft (40), and carries paddles (49) which distribute the matter to fall through apertures (51) of the upper plate (23), into the path of the orbiting rollers (66, 68). The die passages are longitudinally grooved to increase compacting friction on the matter. <IMAGE> |
