JPS6475007A - Method for operating clarifier - Google Patents
Method for operating clarifierInfo
- Publication number
- JPS6475007A JPS6475007A JP23145487A JP23145487A JPS6475007A JP S6475007 A JPS6475007 A JP S6475007A JP 23145487 A JP23145487 A JP 23145487A JP 23145487 A JP23145487 A JP 23145487A JP S6475007 A JPS6475007 A JP S6475007A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- levels
- clarifier
- quality
- carry
- 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
Abstract
PURPOSE:To improve a quality of a treated water by keeping a level of boundary between a supernatant water and a sludge in a clarifier not higher than a position at which a carry-out of sludge is preventable. CONSTITUTION:Sludge zone levels 43, 44 are detected by ultrasonic sludge zone detectors 25, 32 arranged in clarifiers 20, 27, the detected positions are sent to a controller 47 and discharge quantities of precipitated sludges 39, 40 are controlled by driving or stopping sludge discharge pumps 34, 36 and a standby sludge discharge pump 35 so as to keep sludge zone levels 43, 44 not higher than the levels at which the precipitated sludges 39, 40 being to be carried over. The carry-overs of the precipitated sludges 39, 40 are prevented and a quality of the treated water is always kept well as a result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23145487A JPS6475007A (en) | 1987-09-16 | 1987-09-16 | Method for operating clarifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23145487A JPS6475007A (en) | 1987-09-16 | 1987-09-16 | Method for operating clarifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6475007A true JPS6475007A (en) | 1989-03-20 |
Family
ID=16923770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23145487A Pending JPS6475007A (en) | 1987-09-16 | 1987-09-16 | Method for operating clarifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6475007A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020517802A (en) * | 2017-04-28 | 2020-06-18 | レコンドイル・スウェーデン・アクチエボラグＲｅｃｏｎｄｏｉｌ Ｓｗｅｄｅｎ ＡＢ | Oil purification |
| JP2020520300A (en) * | 2017-04-28 | 2020-07-09 | レコンドイル・スウェーデン・アクチエボラグＲｅｃｏｎｄｏｉｌ Ｓｗｅｄｅｎ ＡＢ | Oil purification |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6150611A (en) * | 1984-08-20 | 1986-03-12 | Yaskawa Electric Mfg Co Ltd | Operation of gravitational concentration tank |
| JPS61263611A (en) * | 1985-05-16 | 1986-11-21 | Ebara Res Co Ltd | Method for operating and controlling slurry circulation flocculating sedimentation apparatus |
-
1987
- 1987-09-16 JP JP23145487A patent/JPS6475007A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6150611A (en) * | 1984-08-20 | 1986-03-12 | Yaskawa Electric Mfg Co Ltd | Operation of gravitational concentration tank |
| JPS61263611A (en) * | 1985-05-16 | 1986-11-21 | Ebara Res Co Ltd | Method for operating and controlling slurry circulation flocculating sedimentation apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020517802A (en) * | 2017-04-28 | 2020-06-18 | レコンドイル・スウェーデン・アクチエボラグＲｅｃｏｎｄｏｉｌ Ｓｗｅｄｅｎ ＡＢ | Oil purification |
| JP2020520300A (en) * | 2017-04-28 | 2020-07-09 | レコンドイル・スウェーデン・アクチエボラグＲｅｃｏｎｄｏｉｌ Ｓｗｅｄｅｎ ＡＢ | Oil purification |
| US11458420B2 (en) | 2017-04-28 | 2022-10-04 | Recondoil Sweden Ab | Purification of oil |
| US11752452B2 (en) | 2017-04-28 | 2023-09-12 | Recondoil Sweden Ab | Purification of oil |
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