METHOD FOR SEPARATION AND MOLDING OF COMBUSTIBLE SUBSTANCE CONTAINED IN RUBBISH AND APPARATUS THEREFOR

PURPOSE:To efficiently obtain a solid fuel from rubbish having a high water content by primarily crushing the rubbish, drying it, subsequently separating it into combustible substances and noncombustible substances with a closed circulating-air classifier in which a vertically ascending air flow is...

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Bibliographische Detailangaben
Hauptverfasser:	YOKOI MASAMI, TAKIMOTO MITSUNARI, TAKEUCHI SHINGO, YOSHIDA TETSUO, SATO AKIMUNE
Format:	Patent
Sprache:	eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY DISPOSAL OF SOLID WASTE FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES RECLAMATION OF CONTAMINED SOIL SOIL SEPARATING SOLIDS FROM SOLIDS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To efficiently obtain a solid fuel from rubbish having a high water content by primarily crushing the rubbish, drying it, subsequently separating it into combustible substances and noncombustible substances with a closed circulating-air classifier in which a vertically ascending air flow is formed, and then recovering the combustible substances. CONSTITUTION:Waste bags are broken and magnetic metals are removed from the wastes. The remaining wastes are primarily crushed and dried to regulate the water content of the crushed wastes to 20% or lower. The dried wastes are classified with a closed circulating-air classifier having an ascending air flow rate of 10-18m/sec. Noncombustible substances descend, while light-weight combustible substances ascend with the ascending air flow and recovered. The combustible substances are secondarily crushed and then molded. By the use of this apparatus, a solid fuel can efficiently be produced from wet rubbish, e.g. an ordinary domestic garbage. The odorous air does not leak from the classifier because of the closed circulating-air structure.