JPS6250721U - - Google Patents

Info

Publication number
JPS6250721U
JPS6250721U JP1985144752U JP14475285U JPS6250721U JP S6250721 U JPS6250721 U JP S6250721U JP 1985144752 U JP1985144752 U JP 1985144752U JP 14475285 U JP14475285 U JP 14475285U JP S6250721 U JPS6250721 U JP S6250721U
Authority
JP
Japan
Prior art keywords
hollow shaft
screw
eddy current
current prevention
protruded
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
JP1985144752U
Other languages
Japanese (ja)
Other versions
JPH0227878Y2 (en
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 filed Critical
Priority to JP1985144752U priority Critical patent/JPH0227878Y2/ja
Publication of JPS6250721U publication Critical patent/JPS6250721U/ja
Application granted granted Critical
Publication of JPH0227878Y2 publication Critical patent/JPH0227878Y2/ja
Expired 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)
  • Activated Sludge Processes (AREA)

Description

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

第１図は要部の正面図、第２図は側面図、第３
図はエキスパンドメタルの拡大図、第４図は実施
例図である。 １は中空軸、２は駆動軸、３はフランジ部、４
はスクリユー、５は渦流防止筒、６は補強リング
、７は取付金具。 Figure 1 is a front view of the main parts, Figure 2 is a side view, and Figure 3 is a front view of the main parts.
The figure is an enlarged view of the expanded metal, and FIG. 4 is an example view. 1 is a hollow shaft, 2 is a drive shaft, 3 is a flange part, 4
5 is a screw, 5 is an eddy current prevention tube, 6 is a reinforcing ring, and 7 is a mounting bracket.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] モータにて駆動されるスクリユーを中空軸下端
より突設せしめ、スクリユーの回動にて液中に発
生する負圧を利用し、中空軸内を通して吸気する
ようにした自吸式曝気装置に於て、前記中空軸の
下端にスクリユーの外周部を覆うように筒状にし
たエキスパンドメタル製の渦流防止筒を突設した
る曝気装置の渦流防止装置。 In a self-priming aeration device, a screw driven by a motor is installed protruding from the lower end of a hollow shaft, and the negative pressure generated in the liquid by the rotation of the screw is used to draw air through the hollow shaft. An eddy current prevention device for an aeration system, wherein a eddy current prevention tube made of expanded metal is protruded from the lower end of the hollow shaft so as to cover the outer periphery of the screw.
JP1985144752U 1985-09-20 1985-09-20 Expired JPH0227878Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985144752U JPH0227878Y2 (en) 1985-09-20 1985-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985144752U JPH0227878Y2 (en) 1985-09-20 1985-09-20

Publications (2)

Publication Number Publication Date
JPS6250721U true JPS6250721U (en) 1987-03-30
JPH0227878Y2 JPH0227878Y2 (en) 1990-07-26

Family

ID=31055646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985144752U Expired JPH0227878Y2 (en) 1985-09-20 1985-09-20

Country Status (1)

Country Link
JP (1) JPH0227878Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02121197U (en) * 1989-03-13 1990-10-01
WO2008007631A1 (en) * 2006-07-11 2008-01-17 Makoto Minamidate Fine bubble generating unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54177758U (en) * 1978-06-05 1979-12-15
JPS5721098U (en) * 1980-07-14 1982-02-03

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5721098B2 (en) * 1974-04-06 1982-05-04

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54177758U (en) * 1978-06-05 1979-12-15
JPS5721098U (en) * 1980-07-14 1982-02-03

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02121197U (en) * 1989-03-13 1990-10-01
WO2008007631A1 (en) * 2006-07-11 2008-01-17 Makoto Minamidate Fine bubble generating unit

Also Published As

Publication number Publication date
JPH0227878Y2 (en) 1990-07-26

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