REDUCING METHOD AND DEVICE FOR PCDDs IN CHAR SEPARATING TYPE WASTE GASIFYING AND MELTING DEVICE

PROBLEM TO BE SOLVED: To contrive the reduction of PCDDs in fly ash and exhaust gas, in a char separating type waste gasifying and melting device. SOLUTION: A melting furnace 30 is connected directly to a temperature reducing tower 21 through a melting furnace exhaust gas conduit 36a to cool the exh...

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Bibliographic Details
Main Authors KUMAGAI CHIKANORI, KUBO YUKIO, FUJIYAMA HIROSHI, TAKADA TOMOAKI, KATAHATA TADASHI
Format Patent
LanguageEnglish
Published 03.04.2001
Edition7
Subjects
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
CONSUMING WASTE PRODUCTS BY COMBUSTION
CREMATION FURNACES
DISPOSAL OF SOLID WASTE
FLUES
HEATING
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
RECLAMATION OF CONTAMINED SOIL SOIL
REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES
TRANSPORTING
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To contrive the reduction of PCDDs in fly ash and exhaust gas, in a char separating type waste gasifying and melting device. SOLUTION: A melting furnace 30 is connected directly to a temperature reducing tower 21 through a melting furnace exhaust gas conduit 36a to cool the exhaust gas of the melting furnace 30 by introducing the same directly into the temperature reducing tower 21 without recovering the sensible heat of the exhaust gas of the melting furnace 30 and without interposing a boiler 16 and an air preheater 18.
Bibliography:Application Number: JP19990265105