OVERFLOW PIPE OF FILTRATION TANK

PROBLEM TO BE SOLVED: To provide an overflow pipe of a filtration tank capable of selectively making only treated water overflow without losing granular filtration media even in the back washing operation. SOLUTION: An overflowing pipe 6 is installed in a filtration tank 1 out of which treated water...

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Bibliographische Detailangaben
Hauptverfasser:	SHISHIDO NOBUYUKI, BANDO YOSHIFUMI, MOMATA KAZUFUMI, OSAI KIYOOMI
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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an overflow pipe of a filtration tank capable of selectively making only treated water overflow without losing granular filtration media even in the back washing operation. SOLUTION: An overflowing pipe 6 is installed in a filtration tank 1 out of which treated water filtered by a granular filtration material 2 is discharged in a lower part and in which the filtration material 2 is so set as to be back washed. The overflow pipe 6 comprises a cylindrical main body opened in the upper and lower ends, a discharge outlet formed while being branched from the main body, and a conical buffer member attached to the lower end of the main body.