JPS5651215A - Cleaning of filter medium - Google Patents
Cleaning of filter mediumInfo
- Publication number
- JPS5651215A JPS5651215A JP12644479A JP12644479A JPS5651215A JP S5651215 A JPS5651215 A JP S5651215A JP 12644479 A JP12644479 A JP 12644479A JP 12644479 A JP12644479 A JP 12644479A JP S5651215 A JPS5651215 A JP S5651215A
- Authority
- JP
- Japan
- Prior art keywords
- cleaning
- filter medium
- air
- water
- pipe
- 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
- Filtration Of Liquid (AREA)
Abstract
PURPOSE: To effectively remove pollutants adhered to filter medium by a method in which back washing is made by supplying a cleaning water in the opposite direction to filtering direction and also a cleaning agent composed mainly of hydrogen peroxide is flowed onto the upside of the filter medium layer.
CONSTITUTION: The filter medium of the filtering layer 7 is washed with a cleaning water supplied from the cleaning water supply pipe 3 serving as a treating water discharge pipe, and then the cleaning water is discharged through the trough 4 to the discharge pipe 5. In the case of air cleaning, air is supplied through the air supply pipe 12, injected from the air supply nozzle pipe 11 to clean the filter medium of the filtering layer 7 and then discharged to the air discharge pipe 6. Also, a mixed cleaning using both water cleaning and air cleaning is possible. Then, an approx. 35% aqueous solution of hydrogen peroxide, stored in the cleaning agent tank 9 is sent through the cleaning agent supply pipe 10 onto the upside of the filtering layer 7 in an amount of approx. 5W10% of the weight of the filter medium.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12644479A JPS5651215A (en) | 1979-10-02 | 1979-10-02 | Cleaning of filter medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12644479A JPS5651215A (en) | 1979-10-02 | 1979-10-02 | Cleaning of filter medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5651215A true JPS5651215A (en) | 1981-05-08 |
Family
ID=14935355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12644479A Pending JPS5651215A (en) | 1979-10-02 | 1979-10-02 | Cleaning of filter medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5651215A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5912715A (en) * | 1982-07-15 | 1984-01-23 | Ebara Infilco Co Ltd | Method for washing filter medium in high speed filter basin |
-
1979
- 1979-10-02 JP JP12644479A patent/JPS5651215A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5912715A (en) * | 1982-07-15 | 1984-01-23 | Ebara Infilco Co Ltd | Method for washing filter medium in high speed filter basin |
JPH0148043B2 (en) * | 1982-07-15 | 1989-10-17 | Ebara Infilco |
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