TWO-STEP GASIFICATION SYSTEM OF WASTE MATERIAL

PROBLEM TO BE SOLVED: To provide a two-step gasification system of a waste material by which a metal and an ash content contained in the waste material can be recovered in a recyclable state, and a gas containing a large amount of CO and H2can be recovered so as to be used for a raw material for che...

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Bibliographische Detailangaben
Hauptverfasser:	SUGIYAMA HIDEKO, SATO TAKAO, IMAIZUMI TAKASHI, CHIBA SHINICHIRO, TOYODA SEIICHIRO, MIYOSHI YOSHIHISA, FUKUOKA DAISAKU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CARBURETTING AIR OR OTHER GASES CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE DISPOSAL OF SOLID WASTE FUELS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING LUBRICANTS MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES RECLAMATION OF CONTAMINED SOIL SOIL RETORTS TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a two-step gasification system of a waste material by which a metal and an ash content contained in the waste material can be recovered in a recyclable state, and a gas containing a large amount of CO and H2can be recovered so as to be used for a raw material for chemical synthesis such as NH3(ammonia) synthesis. SOLUTION: The two-step gasification system of the waste material for converting a raw material comprising the waste material (a) into a thermal cracking gas at a low temperature by a fluidized bed gasification furnace 1, and gasifying the obtained gaseous material and char by introducing them into a melting furnace 30 is constituted as follows. A moving bed-type storage yard 11 obtained by parallelly arranging two or more movable flat moving plates is installed in a raw material-feeding system 10 for feeding the raw material to the fluidized bed gasification furnace 1. The two or more moving plates simultaneously progress in a state of carrying the raw material, and are constituted so as to progress and retreat one by one at time difference (1/4τ). The raw material is dropped and fed to equipment at the downstream side for each retreatment of the moving plate. COPYRIGHT: (C)2007,JPO&INPIT