JPS5658507A - Backwashing method in filter apparatus - Google Patents
Backwashing method in filter apparatusInfo
- Publication number
- JPS5658507A JPS5658507A JP13371679A JP13371679A JPS5658507A JP S5658507 A JPS5658507 A JP S5658507A JP 13371679 A JP13371679 A JP 13371679A JP 13371679 A JP13371679 A JP 13371679A JP S5658507 A JPS5658507 A JP S5658507A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- filtrate
- raw water
- washing
- backwashing
- 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 make possible back washing at low costs without requiring any washing water storage tank at the time of backwashing arbitrary one of 3 or more juxtaposed downward flow type filter apparatus, by using the filtrate of the other filter apparatus which is made higher in the rate of filtering than usual.
CONSTITUTION: In ordinary filter operation, raw water is supplied via an inflow pipe 3 to downward type filter apparatus 1aW1c. The raw water is filtered by filter media 2aW2c and the filtrate is sent to the next process through piping 7. If clogging occurs in the filter media 2c of arbitrary one, for example, apparatus 1c, out of the apparatus 1aW1c, the backwashing of the filter media 2c is performed by closing valves 5c, 5g, 5h, 5i respectively, increasing the motor rotating speed of a pump 4 to supply the raw water of an amount more than usual one to the apparatus 1a, 1b, and supplying the filtrate thereof via valves 5d, 5e, to the apparatus 1c. The waste water of washing is discharged to the outside from the valve 5j.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13371679A JPS5658507A (en) | 1979-10-17 | 1979-10-17 | Backwashing method in filter apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13371679A JPS5658507A (en) | 1979-10-17 | 1979-10-17 | Backwashing method in filter apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5658507A true JPS5658507A (en) | 1981-05-21 |
Family
ID=15111225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13371679A Pending JPS5658507A (en) | 1979-10-17 | 1979-10-17 | Backwashing method in filter apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5658507A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002282612A (en) * | 2001-03-28 | 2002-10-02 | Fuji Electric Co Ltd | Method for operating spontaneous equilibrium type quick filter basin |
WO2017130894A1 (en) * | 2016-01-25 | 2017-08-03 | パナソニックIpマネジメント株式会社 | Water treatment device |
-
1979
- 1979-10-17 JP JP13371679A patent/JPS5658507A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002282612A (en) * | 2001-03-28 | 2002-10-02 | Fuji Electric Co Ltd | Method for operating spontaneous equilibrium type quick filter basin |
WO2017130894A1 (en) * | 2016-01-25 | 2017-08-03 | パナソニックIpマネジメント株式会社 | Water treatment device |
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