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Title:
COMPRESSED AIR EJECTING MECHANISM, AND CONDUIT AND SEDIMENTATION TANK USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/044564
Kind Code:
A1
Abstract:
A lengthwise side wall 5 on the inner side of a conduit body 2 is provided with a compressed air ejecting mechanism 10a which is located slightly below a scum layer S formed in the conduit body 2 and which extends along the lengthwise direction of the conduit body 2. It is possible to separate the scum S from the side wall 5 of the conduit body 2 when bubbles ejected from the compressed air ejecting mechanism 10a rise. The side wall 5 is further provided with a nozzle 8b which ejects, toward the upper surface of the formed scum layer S, pressurized water that promotes a flow so that the scum layer S is directed to a scum pit 3. Thus, it is possible to promptly discharge the scum layer S into the scum pit 3.

Inventors:
UTSUNOMIYA HIDEO (JP)
Application Number:
PCT/JP2021/025906
Publication Date:
March 03, 2022
Filing Date:
July 09, 2021
Export Citation:
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Assignee:
UTSUNOMIYA KOGYO CO LTD (JP)
International Classes:
C02F1/40; E03F5/14; F16K15/14
Foreign References:
JP2020014999A2020-01-30
JP2008221158A2008-09-25
JP2017070897A2017-04-13
JP2015110195A2015-06-18
JP2015116569A2015-06-25
JP2011088048A2011-05-06
JP2018051461A2018-04-05
JP2003170163A2003-06-17
JPH0871550A1996-03-19
Attorney, Agent or Firm:
AOYAMA, Masakazu (JP)
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