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
Links
- 230000002265 prevention Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000005273 aeration Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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
- Activated Sludge Processes (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Description
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)
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.
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5721098B2 (en) * | 1974-04-06 | 1982-05-04 |
-
1985
- 1985-09-20 JP JP1985144752U patent/JPH0227878Y2/ja not_active Expired
Patent Citations (2)
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)
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 |