DK0509345T3 - Fremgangsmåde til regenerering af filterlejer og filterlejer med regenereringsindretninger - Google Patents
Fremgangsmåde til regenerering af filterlejer og filterlejer med regenereringsindretningerInfo
- Publication number
- DK0509345T3 DK0509345T3 DK92105770.9T DK92105770T DK0509345T3 DK 0509345 T3 DK0509345 T3 DK 0509345T3 DK 92105770 T DK92105770 T DK 92105770T DK 0509345 T3 DK0509345 T3 DK 0509345T3
- Authority
- DK
- Denmark
- Prior art keywords
- filter
- regenerating
- suction
- separated
- suspension containing
- Prior art date
Links
- 230000001172 regenerating effect Effects 0.000 title 2
- 239000002245 particle Substances 0.000 abstract 3
- 239000000126 substance Substances 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 238000005243 fluidization Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 230000009897 systematic effect Effects 0.000 abstract 1
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
- B01D24/02—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
-
- 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
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
-
- 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
- B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
- B01D24/4689—Displacement of the filtering material to a compartment of the filtering device for regeneration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Biological Treatment Of Waste Water (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4112237A DE4112237C1 (enExample) | 1991-04-15 | 1991-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0509345T3 true DK0509345T3 (da) | 1998-04-14 |
Family
ID=6429602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK92105770.9T DK0509345T3 (da) | 1991-04-15 | 1992-04-03 | Fremgangsmåde til regenerering af filterlejer og filterlejer med regenereringsindretninger |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0509345B1 (enExample) |
| AT (1) | ATE157554T1 (enExample) |
| DE (2) | DE4112237C1 (enExample) |
| DK (1) | DK0509345T3 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4440060C1 (de) * | 1994-11-10 | 1996-03-07 | Wama Wasseraufbereitungsanlage | Rückspülbare Filteranlage |
| RU2134139C1 (ru) * | 1997-10-07 | 1999-08-10 | Поднос Михаил Иосифович | Способ промывки напорного осветлительного фильтра |
| SE511870C2 (sv) * | 1998-04-08 | 1999-12-06 | Weda Poolcleaner Ab | Metod och anordning för bottenrening av bassänger med sandbotten |
| NL2003215C2 (en) * | 2008-07-24 | 2011-03-21 | Norit Nederland B V | Water purification system. |
| US10926201B2 (en) * | 2012-02-12 | 2021-02-23 | Ide Technologies Ltd. | Integrated unit for intake and pretreatment with local backwashing |
| WO2015155726A1 (en) * | 2014-04-10 | 2015-10-15 | High Tech Holding S.R.L. | Filtering system for treatment of water |
| GB2549345B (en) | 2016-04-14 | 2018-11-07 | Ide Technologies Ltd | Integrated unit for intake and pretreatment with local backwashing |
| US10702804B2 (en) | 2016-04-14 | 2020-07-07 | I.D.E. Technologies Ltd | Integrated unit for intake and pretreatment with local backwashing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB432742A (en) * | 1935-02-14 | 1935-08-01 | Norman Garstang Elliot | Improvements in or relating to the cleaning of slow sand filters |
| US2182094A (en) * | 1938-09-24 | 1939-12-05 | Francis L Pruyn | Filter bed cleaning |
| GB868139A (en) * | 1956-11-26 | 1961-05-17 | Romuald Koskowski | Improvements in liquid filters |
| DE3138676A1 (de) * | 1981-09-29 | 1983-04-14 | Passavant-Werke AG & Co KG, 6209 Aarbergen | Filtereinrichtung mit einer einrichtung zum rueckspuelen des filterbettes |
| US4624783A (en) * | 1985-01-22 | 1986-11-25 | Envirotech Corporation | Apparatus for granular media filter |
-
1991
- 1991-04-15 DE DE4112237A patent/DE4112237C1/de not_active Expired - Lifetime
-
1992
- 1992-04-03 DK DK92105770.9T patent/DK0509345T3/da active
- 1992-04-03 DE DE59208838T patent/DE59208838D1/de not_active Expired - Fee Related
- 1992-04-03 EP EP92105770A patent/EP0509345B1/de not_active Expired - Lifetime
- 1992-04-03 AT AT92105770T patent/ATE157554T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0509345B1 (de) | 1997-09-03 |
| DE4112237C1 (enExample) | 1992-08-06 |
| ATE157554T1 (de) | 1997-09-15 |
| EP0509345A3 (enExample) | 1994-02-09 |
| EP0509345A2 (de) | 1992-10-21 |
| DE59208838D1 (de) | 1997-10-09 |
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