SLUDGE COMBUSTION APPARATUS AND METHOD

PROBLEM TO BE SOLVED: To provide a sludge combustion apparatus which can efficiently reduce the generation amount of nitrogen oxides generated by combustion of dewatered sludge by using a circulation type combustion method where combustion is performed while circulating a fluid medium.SOLUTION: A sl...

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Bibliographische Detailangaben
Hauptverfasser:	MIZUNO YOICHIRO, HATTORI SHUSAKU, YAMAMOTO MASAYUKI, TAKESHITA TOMOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	AIR AIR SUPPLY BLASTING CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES CONSUMING WASTE PRODUCTS BY COMBUSTION CREMATION FURNACES DRAUGHT-INDUCING HEATING LIGHTING MECHANICAL ENGINEERING METALLURGY METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a sludge combustion apparatus which can efficiently reduce the generation amount of nitrogen oxides generated by combustion of dewatered sludge by using a circulation type combustion method where combustion is performed while circulating a fluid medium.SOLUTION: A sludge combustion apparatus 100 includes: a dewatering part which dewaters sludge mixed with an iron-based inorganic coagulant to produce dewatered sludge; a combustion part 11 which burns the dewatered sludge together with a fluid medium in a reduction state to produce a product comprising combustion gas, solid combustion products, unburned material, and the fluid medium; a circulation part 12 which recovers the fluid medium from the product and supplies the fluid medium to the combustion part 11; and sludge supply means 13 which supplies the dewatered sludge to the combustion part 11.