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Patent Searching and Data


Title:
SEDIMENT SLUDGE OPENING AND CLOSING GATE
Document Type and Number:
Japanese Patent JP2022094872
Kind Code:
A
Abstract:
To reduce equipment cost of organic wastewater treatment equipment in food factories and sewage treatment plants, save space, simplify, and facilitate maintenance.SOLUTION: There is provided an activated sludge device that combines an aeration tank containing a carrier for adhering microorganisms and a settling tank in which sedimented sludge settles under its own weight and naturally falls into the aeration tank along a sloping side wall, in which a flow path between the aeration tank and the settling tank can be opened and closed with a gate to control an amount of settled sludge returned, and is provided a settled sludge opening/closing gate that allows a screen to be cleaned to keep the carrier in the aeration tank with a brush attached to the gate.SELECTED DRAWING: Figure 3

Inventors:
OKAMOTO SHIRO
Application Number:
JP2020219997A
Publication Date:
June 27, 2022
Filing Date:
December 15, 2020
Export Citation:
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Assignee:
KANKYO PROJECT KK
International Classes:
C02F3/08