JPS58186898U - Underwater aeration device - Google Patents

Underwater aeration device

Info

Publication number
JPS58186898U
JPS58186898U JP1982082540U JP8254082U JPS58186898U JP S58186898 U JPS58186898 U JP S58186898U JP 1982082540 U JP1982082540 U JP 1982082540U JP 8254082 U JP8254082 U JP 8254082U JP S58186898 U JPS58186898 U JP S58186898U
Authority
JP
Japan
Prior art keywords
liquid
aeration device
air introduction
nozzle
pump
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.)
Granted
Application number
JP1982082540U
Other languages
Japanese (ja)
Other versions
JPH0118236Y2 (en
Inventor
渡久地　政一
知之 柴田
Original Assignee
株式会社荏原製作所
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 株式会社荏原製作所 filed Critical 株式会社荏原製作所
Priority to JP1982082540U priority Critical patent/JPS58186898U/en
Publication of JPS58186898U publication Critical patent/JPS58186898U/en
Application granted granted Critical
Publication of JPH0118236Y2 publication Critical patent/JPH0118236Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の実施例の縦断面図、第２図は曝気槽
中に設けた曝気装置の縦断面図、第３図は貯留室の縦断
面図である。 １・・・・・・水中モータポンプ、２・・・・・・モー
タ、３・・・・・・ブラケット、４・・・・・・中間ケ
ーシング、５・・・・・・主軸、６・・・・・・羽根車
、７・・・・・・ケーシング、８・・・・・・空間、９
・・・・・・吸込口、１０・・・・・・曝気装置、１１
・・・・・・、脚、１２・・・・・・吐出し口、１３・
・・・・・エゼクタ、１４・・・・・・ノズル、１５・
・・・・・空気室、１６・・・・・・ディフューザ、１
６′・・・・・・内壁、１７・・・・・・取付具、１８
・・・・・・空気導入管、１８ａ・・・・・・上部空気
導入管、１８ｂ・・・・・・下部空気導入管、１９・・
・・・・貯留室、２０・・・・・・仕切弁、２１・・・
・・・消音器、２２・・・・・・通路、２３・・・・・
・液面、２４・・・・・・スラリータンク、２５・・・
・・・ボルトナツト。FIG. 1 is a longitudinal sectional view of an embodiment of this invention, FIG. 2 is a longitudinal sectional view of an aeration device installed in an aeration tank, and FIG. 3 is a longitudinal sectional view of a storage chamber. 1... Submersible motor pump, 2... Motor, 3... Bracket, 4... Intermediate casing, 5... Main shaft, 6... ... Impeller, 7 ... Casing, 8 ... Space, 9
...Suction port, 10...Aeration device, 11
...... Leg, 12... Discharge port, 13.
...Ejector, 14...Nozzle, 15.
...Air chamber, 16...Diffuser, 1
6'...Inner wall, 17...Fixing tool, 18
...Air introduction pipe, 18a... Upper air introduction pipe, 18b... Lower air introduction pipe, 19...
...Storage chamber, 20...Gate valve, 21...
...Silencer, 22...Aisle, 23...
・Liquid level, 24... Slurry tank, 25...
...Boltnut.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 駆動さたるポンプと処理される液体中に配され、該ポン
プに液体的に連結されているエゼクタとから成り、該エ
ゼクタは前記ポンプからの液体が供給されるノズルと、
該ノズルを囲繞するように形成されていて気体を導入す
るための空気導入管が開口している空気室と、空気室に
一端が開口し、他端が大気中に開口する空気導入管と、
前記ノズルから噴出される液体が通るディフューザとか
ら構成されているものにおいて、処理される液体の液表
面もしくは液内面より下方において空気導入管の一部を
太くしたことを特徴とする水中曝気装置。comprising a driven pump and an ejector disposed in the liquid to be treated and fluidly connected to the pump, the ejector having a nozzle to which the liquid from the pump is supplied;
an air chamber formed to surround the nozzle and having an open air introduction tube for introducing gas; an air introduction tube having one end open to the air chamber and the other end opening to the atmosphere;
An underwater aeration device comprising a diffuser through which liquid ejected from the nozzle passes, characterized in that a portion of the air introduction pipe is made thicker below the surface or inner surface of the liquid to be treated.
JP1982082540U 1982-06-02 1982-06-02 Underwater aeration device Granted JPS58186898U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982082540U JPS58186898U (en) 1982-06-02 1982-06-02 Underwater aeration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982082540U JPS58186898U (en) 1982-06-02 1982-06-02 Underwater aeration device

Publications (2)

Publication Number Publication Date
JPS58186898U true JPS58186898U (en) 1983-12-12
JPH0118236Y2 JPH0118236Y2 (en) 1989-05-26

Family

ID=30091603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982082540U Granted JPS58186898U (en) 1982-06-02 1982-06-02 Underwater aeration device

Country Status (1)

Country Link
JP (1) JPS58186898U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007029829A (en) * 2005-07-25 2007-02-08 Shin Meiwa Ind Co Ltd Stirring device in pump tank
WO2009050950A1 (en) * 2007-10-17 2009-04-23 Tsurumi Manufacturing Co., Ltd. Underwater aeration device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141504U (en) * 1978-03-25 1979-10-01
JPS5595898U (en) * 1978-12-26 1980-07-03
JPS55128700A (en) * 1979-03-23 1980-10-04 Aimu Denki Kogyo Kk Ejector for deep tank

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141504U (en) * 1978-03-25 1979-10-01
JPS5595898U (en) * 1978-12-26 1980-07-03
JPS55128700A (en) * 1979-03-23 1980-10-04 Aimu Denki Kogyo Kk Ejector for deep tank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007029829A (en) * 2005-07-25 2007-02-08 Shin Meiwa Ind Co Ltd Stirring device in pump tank
WO2009050950A1 (en) * 2007-10-17 2009-04-23 Tsurumi Manufacturing Co., Ltd. Underwater aeration device

Also Published As

Publication number Publication date
JPH0118236Y2 (en) 1989-05-26

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