GB1232572A - - Google Patents
Info
- Publication number
- GB1232572A GB1232572A GB1127767A GB1232572DA GB1232572A GB 1232572 A GB1232572 A GB 1232572A GB 1127767 A GB1127767 A GB 1127767A GB 1232572D A GB1232572D A GB 1232572DA GB 1232572 A GB1232572 A GB 1232572A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bed
- bramwell
- water
- pool
- pump
- 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.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 239000004576 sand Substances 0.000 abstract 2
- 238000011001 backwashing Methods 0.000 abstract 1
- 239000013505 freshwater Substances 0.000 abstract 1
- 230000009182 swimming 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
- B01D24/10—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
- B01D24/38—Feed or discharge devices
- B01D24/42—Feed or discharge devices for discharging filtrate
-
- 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
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4869—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by level measuring
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1127767 | 1968-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1232572A true GB1232572A (enrdf_load_stackoverflow) | 1971-05-19 |
Family
ID=9983261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1127767A Expired GB1232572A (enrdf_load_stackoverflow) | 1968-05-09 | 1968-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1232572A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4118322A (en) * | 1976-05-17 | 1978-10-03 | Hydrotechnic Corporation | Filtering apparatus for liquids |
| FR2592370A1 (fr) * | 1985-12-30 | 1987-07-03 | Bectra Sa | Dispositif pour l'epuration de l'eau. |
| FR2608938A1 (fr) * | 1986-12-31 | 1988-07-01 | Aubert Robert | Dispositif pour filtrer l'eau d'une piscine a debordement a l'aide d'un bac tampon faisant office de filtre gravitaire |
| GB2210803A (en) * | 1987-10-14 | 1989-06-21 | Danco Plastics Ltd | Swimming pool filtering arrangement |
| GB2306122A (en) * | 1995-10-10 | 1997-04-30 | Tetra Europ Ltd | Filter with variable liquid head |
-
1968
- 1968-05-09 GB GB1127767A patent/GB1232572A/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4118322A (en) * | 1976-05-17 | 1978-10-03 | Hydrotechnic Corporation | Filtering apparatus for liquids |
| FR2592370A1 (fr) * | 1985-12-30 | 1987-07-03 | Bectra Sa | Dispositif pour l'epuration de l'eau. |
| EP0234162A1 (fr) * | 1985-12-30 | 1987-09-02 | BECTRA S.A. Bureau d'Etude et de Coordination de Travaux d'Assainissement | Dispositif pour l'épuration de l'eau |
| FR2608938A1 (fr) * | 1986-12-31 | 1988-07-01 | Aubert Robert | Dispositif pour filtrer l'eau d'une piscine a debordement a l'aide d'un bac tampon faisant office de filtre gravitaire |
| EP0276621A1 (fr) * | 1986-12-31 | 1988-08-03 | Aquasud Piscines S.A.R.L. | Dispositif pour filtrer l'eau d'une piscine à débordement à l'aide d'un bac tampon faisant office de filtre gravitaire |
| GB2210803A (en) * | 1987-10-14 | 1989-06-21 | Danco Plastics Ltd | Swimming pool filtering arrangement |
| GB2306122A (en) * | 1995-10-10 | 1997-04-30 | Tetra Europ Ltd | Filter with variable liquid head |
| GB2306122B (en) * | 1995-10-10 | 1999-07-21 | Tetra Europ Ltd | A system for reducing head against which air blowers must operate in a filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |