Title:
DISSOLVED OXYGEN INCREASING DEVICE
Document Type and Number:
Japanese Patent JP2017131840
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a dissolved oxygen increasing device capable of enhancing the concentration of oxygen dissolved in water with simple constitution.SOLUTION: The dissolved oxygen increasing device comprises: a pump 3 for sucking and discharging water; a circulation passage 10 having a suction passage 11 connected to the suction side of the pump 3 and a discharge passage 12 connected to the discharge side of the pump 3; and an oxygen supply device 2 for supplying oxygen to the circulation passage 10. The suction passage 11 comprises: a first oxygen injection part 4 to which the oxygen supplied from the oxygen supply device 2 is injected; and a first orifice part 14 the flow passage cross-section of which is expanded after reduced. The discharge passage 12 comprises: a second oxygen injection part 5 to which the oxygen supplied from the oxygen supply device 2 is injected; and a second orifice part 15 the flow passage cross-section of which is expanded after reduced. A third orifice part 16 having the reduced flow passage cross section is formed in a discharge passage 12 downstream from the second oxygen injection part 5 and the second orifice part 15.SELECTED DRAWING: Figure 1
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Inventors:
HANADA KOZO
Application Number:
JP2016014110A
Publication Date:
August 03, 2017
Filing Date:
January 28, 2016
Export Citation:
Assignee:
HANADA CO LTD
International Classes:
B01F1/00; B01F3/04; B01F5/02; B01F5/04; B01F5/06; B01F5/10; C02F1/68; C02F7/00
Domestic Patent References:
| JP2011206689A | 2011-10-20 | |||
| JP2011240268A | 2011-12-01 | |||
| JPH1147785A | 1999-02-23 | |||
| JP2010269291A | 2010-12-02 | |||
| JP2008207099A | 2008-09-11 |
Attorney, Agent or Firm:
Masahisa Otake