DK376988D0 - Filteranlaeg der kan returskylles - Google Patents
Filteranlaeg der kan returskyllesInfo
- Publication number
- DK376988D0 DK376988D0 DK376988A DK376988A DK376988D0 DK 376988 D0 DK376988 D0 DK 376988D0 DK 376988 A DK376988 A DK 376988A DK 376988 A DK376988 A DK 376988A DK 376988 D0 DK376988 D0 DK 376988D0
- Authority
- DK
- Denmark
- Prior art keywords
- washing
- sludge liquor
- outflow
- arrangement
- water
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/205—Downward filtration without specifications about the filter material supporting means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Centrifugal Separators (AREA)
- Biological Treatment Of Waste Water (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Sludge (AREA)
- Glass Compositions (AREA)
- Transplanting Machines (AREA)
- Percussion Or Vibration Massage (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3346/87A CH672892A5 (da) | 1987-09-01 | 1987-09-01 | |
CH334687 | 1987-09-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK376988D0 true DK376988D0 (da) | 1988-07-06 |
DK376988A DK376988A (da) | 1989-03-02 |
DK167272B1 DK167272B1 (da) | 1993-10-04 |
Family
ID=4253986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK376988A DK167272B1 (da) | 1987-09-01 | 1988-07-06 | Filteranlaeg, der kan returskylles |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0305606B1 (da) |
AT (1) | ATE73002T1 (da) |
CH (1) | CH672892A5 (da) |
DE (1) | DE3777181D1 (da) |
DK (1) | DK167272B1 (da) |
ES (1) | ES2031121T3 (da) |
NO (1) | NO171299C (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT397927B (de) * | 1992-05-27 | 1994-08-25 | Chemiefaser Lenzing Ag | Rückspülfähige filtervorrichtung zur filtration hochviskoser flüssigkeiten |
DE4440060C1 (de) * | 1994-11-10 | 1996-03-07 | Wama Wasseraufbereitungsanlage | Rückspülbare Filteranlage |
CN1310696C (zh) * | 2005-01-14 | 2007-04-18 | 珠海市沃特金水处理技术有限公司 | 翻板阀门及翻板滤池 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1033183B (de) * | 1952-06-16 | 1958-07-03 | Kommandit Ges Kary | Vorrichtung zum Abscheiden koernigen Filtermaterials beim Rueckspuelen von Filtern |
US2888140A (en) * | 1958-08-08 | 1959-05-26 | Raymond E Hebert | Filter baffles |
US4076625A (en) * | 1976-01-16 | 1978-02-28 | General Filter Company | Baffle and wash trough assembly for granular-media filters |
GB2118452B (en) * | 1982-04-21 | 1986-06-18 | Permutit Boby Ltd | Filtration method and apparatus |
US4478726A (en) * | 1982-10-26 | 1984-10-23 | Blue Circle Projects (Proprietary) Limited | Particulate filter backwash outlet |
-
1987
- 1987-09-01 CH CH3346/87A patent/CH672892A5/de not_active IP Right Cessation
- 1987-09-19 EP EP87201874A patent/EP0305606B1/de not_active Expired - Lifetime
- 1987-09-19 DE DE8787201874T patent/DE3777181D1/de not_active Expired - Fee Related
- 1987-09-19 ES ES198787201874T patent/ES2031121T3/es not_active Expired - Lifetime
- 1987-09-19 AT AT87201874T patent/ATE73002T1/de not_active IP Right Cessation
-
1988
- 1988-07-06 DK DK376988A patent/DK167272B1/da not_active IP Right Cessation
- 1988-08-30 NO NO883866A patent/NO171299C/no unknown
Also Published As
Publication number | Publication date |
---|---|
DK376988A (da) | 1989-03-02 |
DE3777181D1 (de) | 1992-04-09 |
NO171299B (no) | 1992-11-16 |
ATE73002T1 (de) | 1992-03-15 |
ES2031121T3 (es) | 1992-12-01 |
EP0305606A1 (de) | 1989-03-08 |
NO883866L (no) | 1989-03-02 |
NO171299C (no) | 1993-02-24 |
EP0305606B1 (de) | 1992-03-04 |
DK167272B1 (da) | 1993-10-04 |
NO883866D0 (no) | 1988-08-30 |
CH672892A5 (da) | 1990-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |