JPS5478566A - Water removal method for sand filter - Google Patents
Water removal method for sand filterInfo
- Publication number
- JPS5478566A JPS5478566A JP14505677A JP14505677A JPS5478566A JP S5478566 A JPS5478566 A JP S5478566A JP 14505677 A JP14505677 A JP 14505677A JP 14505677 A JP14505677 A JP 14505677A JP S5478566 A JPS5478566 A JP S5478566A
- Authority
- JP
- Japan
- Prior art keywords
- water
- tank
- drainage
- water removal
- cleaning
- 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 effect quick water removal by installing the drainage in the upper portion of the filtering tank.
CONSTITUTION: After raw water flown from a raw water inlet 1 passes through for the filtration treatment, a drainage 4 for a water removal piping 6 attached with the strainer is installed adjacent to the upper part of a filtration tank 2 which flows the water from a treated water outlet 3. Then, at cleaning process, before the cleaning of the tank 2, the water which is located above the tank 2 does not pass through the tank 2 from the drainage 4 and it is removed outside the filter. By doing so, water removal is finished quickly regardless of the clogging condition of the tank 2. However, air blow from an air inlet 5 after the water removal, fresh water feed from the raw water inlet 1 and the cleaning and drainage from the treated water outlet 3 are effected as usual method.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14505677A JPS5478566A (en) | 1977-12-05 | 1977-12-05 | Water removal method for sand filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14505677A JPS5478566A (en) | 1977-12-05 | 1977-12-05 | Water removal method for sand filter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5478566A true JPS5478566A (en) | 1979-06-22 |
Family
ID=15376351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14505677A Pending JPS5478566A (en) | 1977-12-05 | 1977-12-05 | Water removal method for sand filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5478566A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5387062A (en) * | 1977-01-12 | 1978-08-01 | Kurita Seibi Kk | Filter |
-
1977
- 1977-12-05 JP JP14505677A patent/JPS5478566A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5387062A (en) * | 1977-01-12 | 1978-08-01 | Kurita Seibi Kk | Filter |
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