JPS58186897U - Underwater aeration device - Google Patents

Underwater aeration device

Info

Publication number
JPS58186897U
JPS58186897U JP1982082539U JP8253982U JPS58186897U JP S58186897 U JPS58186897 U JP S58186897U JP 1982082539 U JP1982082539 U JP 1982082539U JP 8253982 U JP8253982 U JP 8253982U JP S58186897 U JPS58186897 U JP S58186897U
Authority
JP
Japan
Prior art keywords
liquid
introduction pipe
underwater aeration
nozzle
air
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
JP1982082539U
Other languages
Japanese (ja)
Other versions
JPH0118235Y2 (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 JP1982082539U priority Critical patent/JPS58186897U/en
Publication of JPS58186897U publication Critical patent/JPS58186897U/en
Application granted granted Critical
Publication of JPH0118235Y2 publication Critical patent/JPH0118235Y2/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、１６
′・・・・・・内壁、１７・・・・・・取付具、１８・
・・・・・空気導入管、１９・・・・・・チェツキ弁、
２０・・・・・・仕切弁、２１・・・・・・消音器、２
２・・・・・・通路、２３・・曲液面、２４−−−−−
−スラリータンク。FIG. 1 is a longitudinal sectional view of an embodiment of this invention, and FIG. 2 is a longitudinal sectional view of an aeration device installed in an aeration tank. 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
...Legs, 12...Discharge port, 13...
...Ejector, 14...Nozzle, 15...
... Air chamber, 16 ... Diffuser, 16
'...Inner wall, 17...Mounting tool, 18.
... Air introduction pipe, 19 ... Check valve,
20... Gate valve, 21... Silencer, 2
2...Passway, 23...Curved liquid surface, 24------
-Slurry tank.

Claims (1)

【実用新案登録請求の範囲】 １　処理される液体中において、駆動されるポンプと、
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、空気導入管の途
中に大気開口側より空気室へ向けて空気が流れるように
チェツキ弁を設けた水中曝気装置。 ２　チェツキ弁を処理される液体の液面よりも高い位置
に設けた実用新案登録請求の範囲第１項記載の水中曝気
装置。[Claims for Utility Model Registration] 1. A pump driven in the liquid to be treated;
an ejector fluidly connected to the pump, the ejector comprising a nozzle to which liquid from the pump is supplied, and an air introduction pipe formed to surround the nozzle and for introducing gas. an air chamber with an opening, an air introduction pipe with one end opening into the air chamber and the other end opening into the atmosphere, and a diffuser through which the liquid ejected from the nozzle passes; An underwater aeration system with a check valve installed in the middle of the introduction pipe so that air flows from the atmospheric opening side toward the air chamber. 2. The underwater aeration device according to claim 1, in which the check valve is provided at a position higher than the liquid level of the liquid to be treated.
JP1982082539U 1982-06-02 1982-06-02 Underwater aeration device Granted JPS58186897U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982082539U JPS58186897U (en) 1982-06-02 1982-06-02 Underwater aeration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982082539U JPS58186897U (en) 1982-06-02 1982-06-02 Underwater aeration device

Publications (2)

Publication Number Publication Date
JPS58186897U true JPS58186897U (en) 1983-12-12
JPH0118235Y2 JPH0118235Y2 (en) 1989-05-26

Family

ID=30091602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982082539U Granted JPS58186897U (en) 1982-06-02 1982-06-02 Underwater aeration device

Country Status (1)

Country Link
JP (1) JPS58186897U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6167892U (en) * 1984-10-12 1986-05-09

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141505U (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
JPS54141505U (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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6167892U (en) * 1984-10-12 1986-05-09

Also Published As

Publication number Publication date
JPH0118235Y2 (en) 1989-05-26

Similar Documents

Publication Publication Date Title
JPS6189434A (en) Ventilation method and ventilator
JPS58186897U (en) Underwater aeration device
JPS58186898U (en) Underwater aeration device
SE9500652D0 (en) Carburetor
JPS586827U (en) Sand removal device at the gate
JPS57176352A (en) Fuel pump device
JPH0628290U (en) Submersible motor pump saxion device
RU1778085C (en) Device for delivery of air under pressure to aerator rotor
JP2569655Y2 (en) Electric pump
JPS59126197U (en) submersible pump device
JPS58166898U (en) Check valve for air diffuser type ejector
JPS5825700U (en) Underwater ejector device
JPS57130595A (en) Ejector for deep tank
JPS5878200U (en) Aeration device
JPS5540266A (en) Evaporative emission discharge preventer
JPH0669397U (en) Silencer for underwater blower
JPS58146091U (en) Oil pump suction pipe bleed device
JP2005226562A (en) Vacuum pump device
JPS6212792U (en)
JPS5827593U (en) Fish pump with self-priming device
JPS6140196U (en) Aerator
JPH0450198U (en)
JPH0317195U (en)
JPS641666B2 (en)
JPH06178994A (en) Mechanical submersible aerator