| 摘要 |
<p>1. Apparatus for obtaining a solid fuel from residential, industrial or similar types of wastes, of kind comprising at the input first grinding means (12) followed by magnetic separation means (18) and, at the output, press grinding means (56) for obtention of fuel granules, characterized by the apparatus, after the said magnetic separation means (18), comprises in combination and successively, from up-stream to down-stream : (a) first screening means (20) to separate smaller-sized fermentable organic materials from the rest of the wastes, or combustible fraction, able to be transformed into fuel ; (b) second grinding means (26) designed to reduce the size of the fuel fraction still further ; (c) pneumatic drying means (28) designed to reduce the water content of the fuel fraction and outputting a gas stream charged with said fuel fraction ; (d) gravity separation means (42) designed to separate from the gas stream the heavy products contained in the duel fraction ; (e) cyclone separation means (44) designed to from the gas stream the fuel fraction freed of said heavy products and (f) second screening means (50) designed to eleminate the inorganic fines having a high ash content ; the inferior calorific value of the resulting fuel granules being able to be modified to meet the requirements by varying the mesh size of the first (20) and second (50) screening means.</p> |
