SCREW-CONVEYOR-TYPE SEPARATING DEVICE AND WASTE WATER TREATMENT SYSTEM

A casing 11 that squeezes sludge floc at one end portion, a screw shaft 12, a first screw blade 13 spirally provided on an outer peripheral surface of the screw shaft 12, and a second screw blade 14 provided side by side along a longitudinal direction of the screw shaft 12 with the first screw blade...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SUGAWARA, Yoshiyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESSES PRESSES IN GENERAL SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	A casing 11 that squeezes sludge floc at one end portion, a screw shaft 12, a first screw blade 13 spirally provided on an outer peripheral surface of the screw shaft 12, and a second screw blade 14 provided side by side along a longitudinal direction of the screw shaft 12 with the first screw blade 13 with a predetermined interval from the first screw blade 13, are included. In the casing 11, a concentration zone Q and a separated liquid zone R, which are substantially divided from each other by the first screw blade 13 and the second screw blade 14, are formed. By rotation of the screw shaft 12, the sludge floc is squeezed in the concentration zone Q to be separated into sludge 18 and separated liquid 17, and the separated liquid 17 is moved rearward in the separated liquid zone R to be discharged, while the sludge 18 is discharged outside.