Title:
FINE BUBBLE GENERATOR
Document Type and Number:
Japanese Patent JP2016087524
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fine bubble generator which enables even a liquid injected first after a start-up to contain a large amount of fine bubbles.SOLUTION: The fine bubble generator includes a liquid introduction pipe 24, a gas injection part 4 for injecting a gas into the liquid introduction pipe, a booster pump 21 for pressurizing and pressure-feeding a gas-liquid mixture formed by introducing a gas into the liquid in the liquid introduction pipe by the gas injection part, a dissolving tank 1 for pressure-dissolving the liquid and the gas in the gas-liquid mixture fed by the booster pump, a liquid leading-out pipe 41 for leading out the liquid in the dissolving tank, a fine bubble generation nozzle 43 for generating fine bubbles in the liquid in the liquid leading-out pipe and injecting the liquid containing the fine bubbles, a check valve 23 provided in the liquid introduction pipe and configured to permit the flow of the liquid from a liquid supply source to the booster pump while blocking a flow in a reverse direction, a solenoid valve 42 for opening/closing the liquid leading-out pipe, and a control unit 5 for controlling the solenoid valve and closing the solenoid valve when the booster pump is stopped.SELECTED DRAWING: Figure 1
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Inventors:
HIROSE KIYOSHI
TANIMURA RYUICHI
TANIMURA RYUICHI
Application Number:
JP2014223459A
Publication Date:
May 23, 2016
Filing Date:
October 31, 2014
Export Citation:
Assignee:
NITTO SEIKO KK
International Classes:
B01F5/00; B01F1/00; B01F3/04; B01F15/02
Domestic Patent References:
| JPH06182170A | 1994-07-05 | |||
| JP2005246351A | 2005-09-15 | |||
| JP2012157789A | 2012-08-23 | |||
| JP2014104441A | 2014-06-09 | |||
| JP2015112506A | 2015-06-22 | |||
| JP2012254407A | 2012-12-27 | |||
| JP2010158680A | 2010-07-22 | |||
| JP2012120945A | 2012-06-28 | |||
| JP2008284109A | 2008-11-27 | |||
| JP2013010075A | 2013-01-17 |
Foreign References:
| WO2012084023A1 | 2012-06-28 |
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