JPS5640407A - Prevention of floating of flocs in sedimentation basin - Google Patents
Prevention of floating of flocs in sedimentation basinInfo
- Publication number
- JPS5640407A JPS5640407A JP11568579A JP11568579A JPS5640407A JP S5640407 A JPS5640407 A JP S5640407A JP 11568579 A JP11568579 A JP 11568579A JP 11568579 A JP11568579 A JP 11568579A JP S5640407 A JPS5640407 A JP S5640407A
- Authority
- JP
- Japan
- Prior art keywords
- water
- sedimentation basin
- flocs
- temperature
- floating
- 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
- 238000004062 sedimentation Methods 0.000 title abstract 7
- 230000002265 prevention Effects 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 8
- 239000013049 sediment Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Abstract
PURPOSE: To prevent the floating of flocs in a sedimentation basin by a procedure in which the temperatures of sediment and water being introduced are detected to obtain the change in temperature difference between them, and when the value exceeds a specified value, formed flocs are drawn out.
CONSTITUTION: The water of the river 1 is taken from the intake gate 2, flowed into the well 3, and introduced with a flocculant from the chemical preparation apparatus 4 into the sedimentation basin 6 to sediment flocs present in the water to the bottom of the basin. The sedimentation basin 6 is provided with the temperature sensor 8 to detect the temperature TA of the water of the sedimentation basin, and also near the intake gate 2 for the river water 1 is provided with the temperature sensor 9 to detect the temperature TB of the water being taken. In the temperature difference arithmetic unit 10, the temperatures TA and TB are processed to output the temperature difference forecast alarm SA which is, in turn, put in the sludge discharge valve controller 11 for sedimentation basin and a command is given to the valve 7 before water whose temperature is different from that of the water of sedimentation basin comes in, and flocs are drawn out in advance.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11568579A JPS5640407A (en) | 1979-09-11 | 1979-09-11 | Prevention of floating of flocs in sedimentation basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11568579A JPS5640407A (en) | 1979-09-11 | 1979-09-11 | Prevention of floating of flocs in sedimentation basin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5640407A true JPS5640407A (en) | 1981-04-16 |
Family
ID=14668722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11568579A Pending JPS5640407A (en) | 1979-09-11 | 1979-09-11 | Prevention of floating of flocs in sedimentation basin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5640407A (en) |
-
1979
- 1979-09-11 JP JP11568579A patent/JPS5640407A/en active Pending
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