JPS6415107A - Device for controlling formation of flock - Google Patents
Device for controlling formation of flockInfo
- Publication number
- JPS6415107A JPS6415107A JP16871387A JP16871387A JPS6415107A JP S6415107 A JPS6415107 A JP S6415107A JP 16871387 A JP16871387 A JP 16871387A JP 16871387 A JP16871387 A JP 16871387A JP S6415107 A JPS6415107 A JP S6415107A
- Authority
- JP
- Japan
- Prior art keywords
- flock
- turbidity
- controlling
- amt
- flocculant
- 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
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
PURPOSE:To carry out flock formation in good condition always by controlling the amt. of a flocculant to be poured into a flocculating apparatus basing on a density of the flock to be obtd. by utilizing a picture processing method, by setting variable target value for controlling the particle size of the flock depending on the turbidity of water to be treated. CONSTITUTION:In a process for controlling the amt. of flocculant to be poured into a flocculating tank by measuring the turbidity of the liquid charged to the tank, discriminating characteristic data of the flock by carrying out picture processing of picked up image of the flock, and judging the condition of flocculation and the shape of the flock from a logarithmic mean diameter of the flock basing on the characteristic data, the amt. of the flocculant to be poured is controlled so as to elevate a target value of said logarithmic mean diameter when the measured turbidity is high. By this method, the turbidity of treated water at the outlet of a sedimentation pond is held stably at below a specified value because the flock formation can be carried out always in good condition independently of the turbidity of raw water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16871387A JPS6415107A (en) | 1987-07-08 | 1987-07-08 | Device for controlling formation of flock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16871387A JPS6415107A (en) | 1987-07-08 | 1987-07-08 | Device for controlling formation of flock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6415107A true JPS6415107A (en) | 1989-01-19 |
Family
ID=15873069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16871387A Pending JPS6415107A (en) | 1987-07-08 | 1987-07-08 | Device for controlling formation of flock |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6415107A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5343180A (en) * | 1991-03-25 | 1994-08-30 | Hitachi, Ltd. | Coil structure and coil container |
| US5387889A (en) * | 1991-03-29 | 1995-02-07 | Kabushiki Kaisha Toshiba | Superconducting magnet apparatus |
| US5448213A (en) * | 1993-09-16 | 1995-09-05 | Northrup Grumman Corporation | Electromagnetic shielding concept for superconducting levitating magnets |
| JP2019209271A (en) * | 2018-06-06 | 2019-12-12 | 株式会社明電舎 | Water quality determination device and water quality determination method in waste water treatment facility |
| CN116768346A (en) * | 2023-08-23 | 2023-09-19 | 四川省每文环保科技有限公司 | Sewage treatment process control method based on pumping flocculation filtration |
-
1987
- 1987-07-08 JP JP16871387A patent/JPS6415107A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5343180A (en) * | 1991-03-25 | 1994-08-30 | Hitachi, Ltd. | Coil structure and coil container |
| US5387889A (en) * | 1991-03-29 | 1995-02-07 | Kabushiki Kaisha Toshiba | Superconducting magnet apparatus |
| US5448213A (en) * | 1993-09-16 | 1995-09-05 | Northrup Grumman Corporation | Electromagnetic shielding concept for superconducting levitating magnets |
| JP2019209271A (en) * | 2018-06-06 | 2019-12-12 | 株式会社明電舎 | Water quality determination device and water quality determination method in waste water treatment facility |
| CN116768346A (en) * | 2023-08-23 | 2023-09-19 | 四川省每文环保科技有限公司 | Sewage treatment process control method based on pumping flocculation filtration |
| CN116768346B (en) * | 2023-08-23 | 2023-12-12 | 四川省每文环保科技有限公司 | Sewage treatment process control method based on pumping flocculation filtration |
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