Title:
INFLOW PIPE UNIT AND SETTLING TANK
Document Type and Number:
Japanese Patent JP2017205732
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an inflow pipe unit improving treatment efficiency of water to be treated: and to provide a settling tank.SOLUTION: An inflow pipe unit is for water to be treated and is disposed inside a settling tank, and includes an inflow pipe and a plurality of guide blades. The plurality of guide blades are at least partly disposed inside the inflow pipe and thus change the flow of the water to be treated so that the water to be treated supplied from the inflow pipe is formed into a spiral flow. The plurality of guide blades include: first blades; and second blades which are adjacent to the first blades in a peripheral direction of the inflow pipe and also whose length in a direction toward the inside of the inflow pipe from the inner peripheral surface is shorter than the length of the first blades.SELECTED DRAWING: Figure 2
Inventors:
KOSHIRO KAZUTAKA
SHIROTA AKIHIKO
FUKAGAWA SHIGENORI
SHIROTA AKIHIKO
FUKAGAWA SHIGENORI
Application Number:
JP2016101430A
Publication Date:
November 24, 2017
Filing Date:
May 20, 2016
Export Citation:
Assignee:
TOSHIBA CORP
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP
International Classes:
B01D21/24; B01D21/06
Attorney, Agent or Firm:
Shiga International Patent Office