JPS5687494A - Apparatus for underwater aeration - Google Patents

Apparatus for underwater aeration

Info

Publication number
JPS5687494A
JPS5687494A JP16167279A JP16167279A JPS5687494A JP S5687494 A JPS5687494 A JP S5687494A JP 16167279 A JP16167279 A JP 16167279A JP 16167279 A JP16167279 A JP 16167279A JP S5687494 A JPS5687494 A JP S5687494A
Authority
JP
Japan
Prior art keywords
rotator
air
water
vacuum
impeller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16167279A
Other languages
Japanese (ja)
Inventor
Koshiro Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAITO KOUSHIROU
Original Assignee
SAITO KOUSHIROU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SAITO KOUSHIROU filed Critical SAITO KOUSHIROU
Priority to JP16167279A priority Critical patent/JPS5687494A/en
Publication of JPS5687494A publication Critical patent/JPS5687494A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
    • B05B3/1021—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member with individual passages at its periphery

Landscapes

  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Nozzles (AREA)

Abstract

PURPOSE: To facilitate an underwater aeration at a high efficiency, by arranging an impeller in a cylindrical hollow rotator and air injectors on the periphery of the rotator, and using a vacuum effect generated by the rotation of the rotator.
CONSTITUTION: A cylindrical hollow rotator 2 is rotated by the operation of an underwater motor 6 through a connection key 8 and a driving shaft 7. An impeller 3 in the rotator 2 gives water a centrifugal force, and sprays the water out of the rotator 2 through injection openings 5 at the top ends of hollow pipes 4 attached radially. This water injection generates a vacuum in the rotator 2. In the downstream areas at the back sides of the injection openings 5 is also generated a low vacuum, due to the cavitation effect by the rotating hollow pipes 4. The air is sucked through a center hole of the rotator 2, center holes of washers 14, 15, a center hole of a case 11 and a socket 12 by an air suction pipe 16, and injected through the air injector 4 to the surroundings. The injected air makes fine bubbles and disperses in the water. Consequently, an increased oxygen dissolving effect is obtained.
COPYRIGHT: (C)1981,JPO&Japio
JP16167279A 1979-12-14 1979-12-14 Apparatus for underwater aeration Pending JPS5687494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16167279A JPS5687494A (en) 1979-12-14 1979-12-14 Apparatus for underwater aeration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16167279A JPS5687494A (en) 1979-12-14 1979-12-14 Apparatus for underwater aeration

Publications (1)

Publication Number Publication Date
JPS5687494A true JPS5687494A (en) 1981-07-16

Family

ID=15739641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16167279A Pending JPS5687494A (en) 1979-12-14 1979-12-14 Apparatus for underwater aeration

Country Status (1)

Country Link
JP (1) JPS5687494A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493177U (en) * 1972-04-07 1974-01-11
JPS4938464A (en) * 1972-08-18 1974-04-10
JPS4939261A (en) * 1972-08-22 1974-04-12
JPS5012556B1 (en) * 1968-08-01 1975-05-13
JPS5233358A (en) * 1975-09-07 1977-03-14 Koshiro Saito Underwater aerationevice

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5012556B1 (en) * 1968-08-01 1975-05-13
JPS493177U (en) * 1972-04-07 1974-01-11
JPS4938464A (en) * 1972-08-18 1974-04-10
JPS4939261A (en) * 1972-08-22 1974-04-12
JPS5233358A (en) * 1975-09-07 1977-03-14 Koshiro Saito Underwater aerationevice

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