JPH01139898U - - Google Patents
Info
- Publication number
- JPH01139898U JPH01139898U JP1988035066U JP3506688U JPH01139898U JP H01139898 U JPH01139898 U JP H01139898U JP 1988035066 U JP1988035066 U JP 1988035066U JP 3506688 U JP3506688 U JP 3506688U JP H01139898 U JPH01139898 U JP H01139898U
- Authority
- JP
- Japan
- Prior art keywords
- screw blade
- aeration
- aeration device
- rotating shaft
- aeration tank
- 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
Links
- 238000005273 aeration Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 claims 1
- 238000009423 ventilation Methods 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
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Description
第１図は本考案の実施例を示す側面図、第２図
は第１図の平面図、第３図はＦ．Ｒ．Ｐ．製円筒
形曝気槽を示す一部切欠き斜視図、第４図は従来
の実施例を示す側面図である。
符号の説明、１…曝気装置、２…モータ、３…
中空回転軸、４…保護カバー、５…スクリユー羽
根、６…空気吐出口、７…渦、８…渦防止板、９
…空気吸引口、１０…通気孔、１１…円筒横置形
曝気槽、１２…仕切壁。
Fig. 1 is a side view showing an embodiment of the present invention, Fig. 2 is a plan view of Fig. 1, and Fig. 3 is a side view showing an embodiment of the present invention. R. P. FIG. 4 is a partially cutaway perspective view showing a cylindrical aeration tank, and FIG. 4 is a side view showing a conventional embodiment. Explanation of symbols, 1...Aeration device, 2...Motor, 3...
Hollow rotating shaft, 4...protective cover, 5...screw blade, 6...air discharge port, 7...vortex, 8...vortex prevention plate, 9
...air suction port, 10...ventilation hole, 11...cylindrical horizontal aeration tank, 12...partition wall.
Claims (1)
転軸の先端にスクリユー羽根を固定し中空回転軸
を保護カバーで覆い、スクリユー羽根の回転によ
り生ずる負圧を利用して空気吸引口より空気を汚
水中に供給する曝気装置において、保護カバーに
スクリユー羽根上方を一帯に覆い且つ液面と平行
な渦防止板を設けたことを特徴とする曝気装置。 ２ 曝気装置が、傾斜をもつて曝気槽に取付けら
れているものであることを特徴とする請求項１記
載の曝気装置。 ３ 曝気槽が、円筒横置形槽を両端が流通可能な
仕切壁で長手方向に仕切つたものであることを特
徴とする請求項２記載の曝気槽。[Scope of Claim for Utility Model Registration] 1. A screw blade is fixed to the tip of a hollow rotating shaft connected to a motor and provided with an air suction port, the hollow rotating shaft is covered with a protective cover, and the negative pressure generated by the rotation of the screw blade is utilized. An aeration device for supplying air into wastewater from an air suction port, characterized in that a protective cover is provided with a vortex prevention plate that covers the entire area above the screw blade and is parallel to the liquid surface. 2. The aeration device according to claim 1, wherein the aeration device is attached to the aeration tank at an angle. 3. The aeration tank according to claim 2, characterized in that the aeration tank is a cylindrical horizontal tank partitioned in the longitudinal direction by partition walls that allow circulation at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988035066U JPH01139898U (en) | 1988-03-16 | 1988-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988035066U JPH01139898U (en) | 1988-03-16 | 1988-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139898U true JPH01139898U (en) | 1989-09-25 |
Family
ID=31261723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988035066U Pending JPH01139898U (en) | 1988-03-16 | 1988-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139898U (en) |
-
1988
- 1988-03-16 JP JP1988035066U patent/JPH01139898U/ja active Pending