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1. WO2011074554 - DIFFUSER TUBE

Publication Number WO/2011/074554
Publication Date 23.06.2011
International Application No. PCT/JP2010/072418
International Filing Date 14.12.2010
IPC
C02F 3/20 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3Biological treatment of water, waste water, or sewage
02Aerobic processes
12Activated sludge processes
20using diffusers
B05B 1/20 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
1Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
14with multiple outlet openings; with strainers in or outside the outlet opening
20Perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
CPC
B01F 2003/04319
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
3Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
04gases or vapours with liquids
04099Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
04106the gas being introduced by bubbling, e.g. within receptacles or tanks
04113Arrangement or manipulation of the gas bubbling devices
04241Diffusers
04283characterized by the shape of the diffuser element
04319being tubes, tubular elements, cylindrical elements, set of tubes
B01F 2003/04368
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
3Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
04gases or vapours with liquids
04099Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
04106the gas being introduced by bubbling, e.g. within receptacles or tanks
04113Arrangement or manipulation of the gas bubbling devices
04241Diffusers
04354characterized by the nature of the diffuser gas outlet
04368Slits, cut-out openings
B01F 3/04269
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
3Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
04gases or vapours with liquids
04099Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
04106the gas being introduced by bubbling, e.g. within receptacles or tanks
04113Arrangement or manipulation of the gas bubbling devices
04241Diffusers
04269consisting of flexible porous or perforated material, e.g. fabric
C02F 2203/006
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
2203Apparatus and plants for the biological treatment of water, waste water or sewage
006details of construction, e.g. specially adapted seals, modules, connections
C02F 3/201
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3Biological treatment of water, waste water, or sewage
02Aerobic processes
12Activated sludge processes
20using diffusers
201Perforated, resilient plastic diffusers, e.g. membranes, sheets, foils, tubes, hoses
Y02W 10/10
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
10Technologies for wastewater treatment
10Biological treatment of water, waste water, or sewage
Applicants
  • 株式会社クボタ KUBOTA CORPORATION [JP]/[JP] (AllExceptUS)
  • 広瀬 洋一郎 HIROSE, Youichirou (UsOnly)
  • 岡島 康信 OKAJIMA, Yasunobu (UsOnly)
Inventors
  • 広瀬 洋一郎 HIROSE, Youichirou
  • 岡島 康信 OKAJIMA, Yasunobu
Agents
  • 原田 洋平 HARADA, Yohei
Priority Data
2009-28582417.12.2009JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) DIFFUSER TUBE
(FR) TUBE DIFFUSEUR
(JA) 散気管
Abstract
(EN)
Disclosed is a diffuser tube which is capable of preventing the blockage of diffusion holes and the inside of the tube by preventing the entry of sludge into the tube during the stoppage of air diffusion, and also capable of reducing a pressure loss during a diffusion operation. Specifically disclosed is a diffuser tube which is composed of a tubular elastic body and wherein in a tilted surface section (55) of each slit, the cut surface of the slit is tilted with respect to the radial direction of a film (52).
(FR)
La présente invention concerne un tube diffuseur qui est capable d'empêcher le blocage des orifices de diffusion et de l'intérieur du tube en interdisant la pénétration de boues dans le tube pendant l'arrêt de diffusion d'air, et également capable de réduire une perte de pression pendant une opération de diffusion. En particulier, l'invention concerne un tube diffuseur qui est constitué d'un corps élastique de forme tubulaire et dans lequel dans une section de surface inclinée (55) de chaque fente, la surface découpée de la fente est inclinée par rapport à la direction radiale d'un film (52).
(JA)
 散気停止時に管内に汚泥が侵入することを防止し、散気孔および管内が閉塞することを防止し、かつ散気運転時の圧力損失を低減することができる散気管であり、チューブ形状の弾性体からなり、傾斜面部55においてスリットの切断面が膜体52の半径方向に対して傾斜する。
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