FR2430782A1 - Filtre se rincant a contre-courant - Google Patents
Filtre se rincant a contre-courantInfo
- Publication number
- FR2430782A1 FR2430782A1 FR7915137A FR7915137A FR2430782A1 FR 2430782 A1 FR2430782 A1 FR 2430782A1 FR 7915137 A FR7915137 A FR 7915137A FR 7915137 A FR7915137 A FR 7915137A FR 2430782 A1 FR2430782 A1 FR 2430782A1
- Authority
- FR
- France
- Prior art keywords
- peripheral zone
- counter
- increase
- section
- flushing filter
- 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.)
- Granted
Links
- 238000011010 flushing procedure Methods 0.000 title abstract 3
- 230000002093 peripheral effect Effects 0.000 abstract 4
- 230000035508 accumulation Effects 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01D24/10—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 held in a closed container
- B01D24/12—Downward filtration, the filtering material being supported by pervious surfaces
-
- 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
- B01D24/4626—Construction of spray heads specially adapted for regeneration of the filter material or for filtrate discharging
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
Filtre dans lequel une matière filtrante granulaire est en vrac sur un plateau à tuyères La filtration de liquides souillés a pour conséquence des agglutinations des souillures que le rinçage à contre-courant aux vitesses usuelles ne permet pas d'évacuer. La rive du plateau 11 est conformée en conséquence de manière à augmenter la section de circulation. Le débit d'eau de rinçage augmente ainsi le long de la rive en élevant la vitesse locale de circulation. Cette augmentation peut s'obtenir par une élévation du nombre des tuyeres par unité de surface et/ou par une augmentation de la section de passage par les tuyères se trouvant dans la région de la rive. Application notamment à l'épuration des eaux usées.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH764978A CH633971A5 (en) | 1978-07-14 | 1978-07-14 | Back-flushable filter |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2430782A1 true FR2430782A1 (fr) | 1980-02-08 |
FR2430782B3 FR2430782B3 (fr) | 1982-05-21 |
Family
ID=4328419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7915137A Granted FR2430782A1 (fr) | 1978-07-14 | 1979-06-13 | Filtre se rincant a contre-courant |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH633971A5 (fr) |
ES (1) | ES481279A1 (fr) |
FR (1) | FR2430782A1 (fr) |
IT (1) | IT1122060B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2485385A1 (fr) * | 1980-06-27 | 1981-12-31 | Degremont | Filtre a lit de materiaux granulaires pour le traitement des eaux, notamment de l'eau de mer et des liquides corrosifs |
WO2008049833A2 (fr) * | 2006-10-24 | 2008-05-02 | Danieli & C. Officine Meccaniche S.P.A. | Dispositif de filtration au sable |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2154114A1 (fr) * | 2008-07-23 | 2010-02-17 | Nestec S.A. | Unité de traitement de l'eau pour machine à production de boissons |
CN105854367B (zh) * | 2016-05-13 | 2019-08-30 | 上海绩优机电股份有限公司 | 一种过滤系统和过滤方法 |
-
1978
- 1978-07-14 CH CH764978A patent/CH633971A5/de not_active IP Right Cessation
-
1979
- 1979-06-05 ES ES481279A patent/ES481279A1/es not_active Expired
- 1979-06-13 FR FR7915137A patent/FR2430782A1/fr active Granted
- 1979-07-09 IT IT24180/79A patent/IT1122060B/it active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2485385A1 (fr) * | 1980-06-27 | 1981-12-31 | Degremont | Filtre a lit de materiaux granulaires pour le traitement des eaux, notamment de l'eau de mer et des liquides corrosifs |
WO2008049833A2 (fr) * | 2006-10-24 | 2008-05-02 | Danieli & C. Officine Meccaniche S.P.A. | Dispositif de filtration au sable |
WO2008049833A3 (fr) * | 2006-10-24 | 2008-06-12 | Danieli Off Mecc | Dispositif de filtration au sable |
Also Published As
Publication number | Publication date |
---|---|
IT1122060B (it) | 1986-04-23 |
ES481279A1 (es) | 1980-02-01 |
IT7924180A0 (it) | 1979-07-09 |
CH633971A5 (en) | 1983-01-14 |
FR2430782B3 (fr) | 1982-05-21 |
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