JPH0451919Y2 - - Google Patents
Info
- Publication number
- JPH0451919Y2 JPH0451919Y2 JP1988011520U JP1152088U JPH0451919Y2 JP H0451919 Y2 JPH0451919 Y2 JP H0451919Y2 JP 1988011520 U JP1988011520 U JP 1988011520U JP 1152088 U JP1152088 U JP 1152088U JP H0451919 Y2 JPH0451919 Y2 JP H0451919Y2
- Authority
- JP
- Japan
- Prior art keywords
- air
- diffuser plate
- gasket
- air diffuser
- diffuser
- 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.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005273 aeration Methods 0.000 description 9
- 239000010865 sewage Substances 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000002351 wastewater Substances 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988011520U JPH0451919Y2 (US20030199744A1-20031023-C00003.png) | 1988-01-29 | 1988-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988011520U JPH0451919Y2 (US20030199744A1-20031023-C00003.png) | 1988-01-29 | 1988-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01122899U JPH01122899U (US20030199744A1-20031023-C00003.png) | 1989-08-21 |
| JPH0451919Y2 true JPH0451919Y2 (US20030199744A1-20031023-C00003.png) | 1992-12-07 |
Family
ID=31220148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988011520U Expired JPH0451919Y2 (US20030199744A1-20031023-C00003.png) | 1988-01-29 | 1988-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0451919Y2 (US20030199744A1-20031023-C00003.png) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5819798B2 (ja) * | 1979-09-17 | 1983-04-20 | ベロイト コ−ポレ−ション | 抄紙機ヘッドボックスにおける横方向の繊維配向方法 |
| JPS6151999B2 (US20030199744A1-20031023-C00003.png) * | 1977-10-14 | 1986-11-11 | Ricoh Kk |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6014560Y2 (ja) * | 1981-07-27 | 1985-05-09 | 恒夫 坪川 | 散気装置用逆流防止弁 |
| JPS6151999U (US20030199744A1-20031023-C00003.png) * | 1984-09-06 | 1986-04-08 |
-
1988
- 1988-01-29 JP JP1988011520U patent/JPH0451919Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6151999B2 (US20030199744A1-20031023-C00003.png) * | 1977-10-14 | 1986-11-11 | Ricoh Kk | |
| JPS5819798B2 (ja) * | 1979-09-17 | 1983-04-20 | ベロイト コ−ポレ−ション | 抄紙機ヘッドボックスにおける横方向の繊維配向方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01122899U (US20030199744A1-20031023-C00003.png) | 1989-08-21 |
