CH521776A - Multi-stage filter - Google Patents
Multi-stage filterInfo
- Publication number
- CH521776A CH521776A CH621871A CH621871A CH521776A CH 521776 A CH521776 A CH 521776A CH 621871 A CH621871 A CH 621871A CH 621871 A CH621871 A CH 621871A CH 521776 A CH521776 A CH 521776A
- Authority
- CH
- Switzerland
- Prior art keywords
- stage filter
- stage
- filter
- 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
- B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
- B01D24/008—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection arranged concentrically or coaxially
-
- 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
- B01D24/40—Feed or discharge devices for feeding
- B01D24/402—Feed or discharge devices for feeding containing fixed liquid displacement elements or cores
-
- 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
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/14—Particulate filter materials with a lower density than the liquid mixture to be filtered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/188—Multiple filtering elements having filtering areas of different size
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2030824A DE2030824C3 (en) | 1970-06-23 | 1970-06-23 | Multi-stage filter |
Publications (1)
Publication Number | Publication Date |
---|---|
CH521776A true CH521776A (en) | 1972-04-30 |
Family
ID=5774668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH621871A CH521776A (en) | 1970-06-23 | 1971-04-29 | Multi-stage filter |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT315204B (en) |
BE (1) | BE768197A (en) |
CH (1) | CH521776A (en) |
DE (1) | DE2030824C3 (en) |
FR (1) | FR2099811A5 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0192631A2 (en) * | 1985-01-11 | 1986-08-27 | STOISER & WOLSCHNER Alleininhaber Dipl.-Ing. Heinz Wolschner SW-span-Kläranlagen-Umwelttechnik | Filter chamber of gravity filter |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8712336U1 (en) * | 1987-09-11 | 1987-10-29 | Bruno Kern GmbH, 8752 Mömbris | Filters for water purification, especially for swimming pools |
FR2656813B1 (en) * | 1990-01-05 | 1993-10-08 | Hebraoui Michel | FILTER ASSEMBLY FOR LIQUIDS WITH INDEPENDENT PREFILTRATION AND CLEANING CHAMBERS. |
BR112015000866A2 (en) | 2012-07-16 | 2017-06-27 | Sonitec Vortisand Tech Inc | medium bed filter for fine particle filtration of a raw liquid stream, and method for fine particle filtration of a raw liquid stream |
-
1970
- 1970-06-23 DE DE2030824A patent/DE2030824C3/en not_active Expired
-
1971
- 1971-04-29 CH CH621871A patent/CH521776A/en not_active IP Right Cessation
- 1971-06-07 BE BE768197A patent/BE768197A/en unknown
- 1971-06-22 AT AT540371A patent/AT315204B/en not_active IP Right Cessation
- 1971-06-22 FR FR7122728A patent/FR2099811A5/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0192631A2 (en) * | 1985-01-11 | 1986-08-27 | STOISER & WOLSCHNER Alleininhaber Dipl.-Ing. Heinz Wolschner SW-span-Kläranlagen-Umwelttechnik | Filter chamber of gravity filter |
EP0192631A3 (en) * | 1985-01-11 | 1986-10-22 | Stoiser & Wolschner Umwelttech | Filter chamber of gravity filter |
Also Published As
Publication number | Publication date |
---|---|
FR2099811A5 (en) | 1972-03-17 |
DE2030824C3 (en) | 1975-03-20 |
DE2030824A1 (en) | 1972-01-13 |
DE2030824B2 (en) | 1974-08-08 |
BE768197A (en) | 1971-11-03 |
AT315204B (en) | 1974-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |