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Title:
GAS INJECTION DEVICE AND GAS-LIQUID CONTACT DEVICE
Document Type and Number:
Japanese Patent JP2013010075
Kind Code:
A
Abstract:

To provide a gas injection device capable of injecting ozone gas into a pressure vessel storing sewage more efficiently and at low cost.

After sewage 9 stored in a dissolving tank 1 under a pressurized state is led out from the dissolving tank 1 through a lead-out pipe 31 and the led-out sewage 9 is further pressurized with a circulating pump 46, the sewage is introduced into a buffer tank 41a storing ozone gas 61, and the ozone gas 61 in the buffer tank 41a is pressurized by the pressure of the sewage 9. When the pressure of the ozone gas 61 exceeds the pressure in the dissolving tank 1, the ozone gas 61 in the buffer tank 41a is injected into the dissolving tank 1 through a gas lead-out pipe 54a.


Inventors:
TANIMURA RYUICHI
ADACHI YUKIO
HIROSE KIYOSHI
NISHIYAMA YASUMASA
Application Number:
JP2011144341A
Publication Date:
January 17, 2013
Filing Date:
June 29, 2011
Export Citation:
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Assignee:
NITTO SEIKO KK
NISHIYAMA YASUMASA
International Classes:
B01J4/00; B01F1/00; B01J3/02; C02F1/50
Domestic Patent References:
JPH0372993A1991-03-28
JPH05337478A1993-12-21
JPH0639232A1994-02-15
JPH0664904A1994-03-08
JP2007237009A2007-09-20
JP2009507618A2009-02-26
JPH02298700A1990-12-11
JPS5692381A1981-07-27
JP2008514844A2008-05-08
JPH03160170A1991-07-10
JPH1057802A1998-03-03
JP2004136257A2004-05-13
JPS62199976A1987-09-03
JPS5243105A1977-04-04
JPH02298700A1990-12-11
JPS5692381A1981-07-27
JP2008514844A2008-05-08
JPH03160170A1991-07-10
JPH0372993A1991-03-28
JPH05337478A1993-12-21
JPH0639232A1994-02-15
JPH0664904A1994-03-08
JP2007237009A2007-09-20
JP2009507618A2009-02-26
Foreign References:
US6652243B22003-11-25
US6652243B22003-11-25
Attorney, Agent or Firm:
Shiro Nakajima
Kobayashi Kunito
Koji Kawabata
Koichi Kimura



 
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