GYPSUM DEWATERING DEVICE FOR DESULFURIZATION FACILITY

A gypsum dewatering device 2 installed in a desulfurization facility 105 in which sulfur oxide in flue gas G is absorbed by limestone in an absorbent A in an absorber 1, includes a belt filter 22 that absorbs sulfur oxide and dewaters gypsum slurry SS fed from the absorber 1 to form a gypsum cake SC...

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Bibliographische Detailangaben
Hauptverfasser:	NAGAYASU, TATSUTO, INABA, NORIKAZU, KAMIYAMA, NAOYUKI, ITO, HIDEKI, KAGAWA, SEIJI, TSUTSUI, MAKOTO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INORGANIC CHEMISTRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS SEPARATION TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A gypsum dewatering device 2 installed in a desulfurization facility 105 in which sulfur oxide in flue gas G is absorbed by limestone in an absorbent A in an absorber 1, includes a belt filter 22 that absorbs sulfur oxide and dewaters gypsum slurry SS fed from the absorber 1 to form a gypsum cake SC, a vacuum suction mechanism 23 that sucks moisture in the gypsum cake SC via the belt filter 22, a moisture measuring means H1 that measures a moisture content of the gypsum cake SC to be dewatered by the belt filter 22, a heating means 25 that heats the gypsum cake SC dewatered by the belt filter 22 by hot water or steam, and a control means 26 that controls a heated state by the heating means 25 when the moisture content of the gypsum cake SC input from the moisture measuring means H1 has exceeded a predetermined amount.