JPH0286699U - - Google Patents
Info
- Publication number
- JPH0286699U JPH0286699U JP1988164396U JP16439688U JPH0286699U JP H0286699 U JPH0286699 U JP H0286699U JP 1988164396 U JP1988164396 U JP 1988164396U JP 16439688 U JP16439688 U JP 16439688U JP H0286699 U JPH0286699 U JP H0286699U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- bowl
- pump
- nozzle
- shaped
- 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
- 238000005273 aeration Methods 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 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
Description
第１図は本考案の一実施例を示す曝気装置の縦
断面図、第２図はポンプケーシングの平面断面図
、第３図ａ及びｂは従来例を示す曝気装置の縦断
面図及び要部平面断面図である。
１１……ノズル、１４……気体導入管、２１…
…ポンプケーシング、２２……ノズルケーシング
、２３……デイフユーザ、２４……中間ケーシン
グ、２６……隙間、２７ａ，２７ｂ……吸込口、
２８……環状リツプシール、２９……脚。
Fig. 1 is a longitudinal sectional view of an aeration device showing an embodiment of the present invention, Fig. 2 is a plan sectional view of a pump casing, and Figs. 3 a and b are longitudinal sectional views and main parts of an aeration device showing a conventional example. FIG. 11... Nozzle, 14... Gas introduction pipe, 21...
... pump casing, 22 ... nozzle casing, 23 ... differential user, 24 ... intermediate casing, 26 ... gap, 27a, 27b ... suction port,
28...Annular lip seal, 29...Legs.
Claims (1)
するポンプ室の周辺部に１個以上のノズルを配設
し、該ノズルを囲む気体吸引室を前記ポンプ室の
外側に設け、該気体吸引室にデイフユーザを連設
すると共に気体吸引室に気体導入管を連通させた
曝気装置において、周壁部にデイフユーザを１個
以上取付けた上記気体吸引室を形成するノズルケ
ーシングを、上方を開口した椀形に形成し、該椀
形のノズルケーシングの内側に、前記ノズルを周
辺部に一体に形成し且つ上方を開口した椀形に形
成したポンプケーシングを、上記ノズルをデイフ
ユーザと対向させるようにして収納し、上記ポン
プケーシングとノズルケーシングの両ケーシング
の上方開口部を共通の中間ケーシングによつて密
閉すると共に、羽根車の吸込部に対向する両ケー
シングの底部に吸込口を開口し、上記デイフユー
ザを弾性材で構成したことを特徴とする曝気装置
。 ２ 椀形をしたポンプケーシング及びノズルケー
シングの両底部に開口した吸込口を、下方に末広
がり状に傾斜して設け、これらの傾斜した両吸込
口間の隙間を開閉する環状のリツプシールを、該
吸込口部に取付けたことを特徴とする請求項１記
載の曝気装置。 ３ 椀形をしたノズルケーシングの底部に、下方
に突出した複数個の脚を、周辺部に沿つてほぼ等
間隔に配設したことを特徴とする請求項１又は２
記載の曝気装置。[Claims for Utility Model Registration] 1. One or more nozzles are arranged around a pump chamber that accommodates an impeller driven by an underwater drive device, and a gas suction chamber surrounding the nozzles is located outside of the pump chamber. In the aeration device, in which a diff user is connected to the gas suction chamber and a gas introduction pipe is communicated with the gas suction chamber, a nozzle casing forming the gas suction chamber having one or more diff users attached to the peripheral wall, A pump casing is formed into a bowl shape with an open top, and the nozzle is integrally formed on the periphery inside the bowl-shaped nozzle casing, and the pump casing is shaped like a bowl with an open top. The upper openings of both the pump casing and the nozzle casing are sealed by a common intermediate casing, and suction ports are opened at the bottoms of both casings facing the suction portion of the impeller. , An aeration device characterized in that the diff user is made of an elastic material. 2 Suction ports opened at both bottoms of the bowl-shaped pump casing and nozzle casing are provided so as to be slanted downward in a manner that spreads outward, and an annular lip seal that opens and closes the gap between these two slanted suction ports is installed at the bottom of the pump casing and the nozzle casing. The aeration device according to claim 1, wherein the aeration device is attached to the mouth. 3. Claim 1 or 2, characterized in that a plurality of legs protruding downward are arranged on the bottom of the bowl-shaped nozzle casing at approximately equal intervals along the periphery.
Aeration equipment as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988164396U JPH0513440Y2 (en) | 1988-12-21 | 1988-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988164396U JPH0513440Y2 (en) | 1988-12-21 | 1988-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0286699U true JPH0286699U (en) | 1990-07-09 |
| JPH0513440Y2 JPH0513440Y2 (en) | 1993-04-08 |
Family
ID=31449965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988164396U Expired - Lifetime JPH0513440Y2 (en) | 1988-12-21 | 1988-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0513440Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010172811A (en) * | 2009-01-28 | 2010-08-12 | Yonezaki:Kk | Stirring device |
| JP2011062614A (en) * | 2009-09-15 | 2011-03-31 | Yonezaki:Kk | Stirring device having air lift pump |
-
1988
- 1988-12-21 JP JP1988164396U patent/JPH0513440Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010172811A (en) * | 2009-01-28 | 2010-08-12 | Yonezaki:Kk | Stirring device |
| JP2011062614A (en) * | 2009-09-15 | 2011-03-31 | Yonezaki:Kk | Stirring device having air lift pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0513440Y2 (en) | 1993-04-08 |