PURIFYING DEVICE FOR SEWAGE OF INTERMITTENT AERATION TYPE USING ACTIVATED SLUDGE METHOD

PURPOSE:To enhance the utilization efficiency of an air blower of an aeration device, and to reduce the cost of facilities and the running cost by constituting the purifying device for sewage of an intermittent aeration type so that an aerating operation by the aeration device provided in an aeratio...

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Bibliographische Detailangaben
Hauptverfasser:	SATAKE JUNICHIRO, TAKANO ISAO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PURPOSE:To enhance the utilization efficiency of an air blower of an aeration device, and to reduce the cost of facilities and the running cost by constituting the purifying device for sewage of an intermittent aeration type so that an aerating operation by the aeration device provided in an aeration tank can be executed intermittently. CONSTITUTION:A discharge port of an air blower 30 of an aeration device 3 provided in an aeration tank 2 is connected to a feed air tube 31 allowed to communicate with a diffusing tube 32 provided in the aeration tank 2, and the feed air tube 31 allowed to communicate with an air motor 7 for driving a stirring device 6 provided in the aeration tank 2, and control valves V1, V2 subjected to opening/closing control are connected and provided in those feed air tubes 31, respectively.