IT1074214B - IMPROVEMENT IN FILTERS - Google Patents
IMPROVEMENT IN FILTERSInfo
- Publication number
- IT1074214B IT1074214B IT52541/76A IT5254176A IT1074214B IT 1074214 B IT1074214 B IT 1074214B IT 52541/76 A IT52541/76 A IT 52541/76A IT 5254176 A IT5254176 A IT 5254176A IT 1074214 B IT1074214 B IT 1074214B
- Authority
- IT
- Italy
- Prior art keywords
- filters
- improvement
- 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
- B01D24/48—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
- B01D24/4884—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 pressure measuring
-
- 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
- B01D24/4631—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
- B01D2201/20—Pressure-related systems for filters
- B01D2201/204—Systems for applying vacuum to filters
- B01D2201/206—Systems for applying vacuum to filters by the weight of the liquid in a tube, e.g. siphon, barometric leg
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2600193A DE2600193B2 (en) | 1976-01-05 | 1976-01-05 | Filter system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1074214B true IT1074214B (en) | 1985-04-17 |
Family
ID=5967045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT52541/76A IT1074214B (en) | 1976-01-05 | 1976-12-09 | IMPROVEMENT IN FILTERS |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT365083B (en) |
| BE (1) | BE850071A (en) |
| DE (1) | DE2600193B2 (en) |
| FR (1) | FR2336964A1 (en) |
| IT (1) | IT1074214B (en) |
| NL (1) | NL7614595A (en) |
| YU (1) | YU302076A (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2879891A (en) * | 1957-06-13 | 1959-03-31 | Pfaudler Permutit Inc | Filtering apparatus and method of operating same |
| DE1816527C3 (en) * | 1968-12-17 | 1975-07-31 | Hans-Ulrich 6200 Wiesbaden Klein | Process for water treatment in a pressure wind switchgear boiler and device for its implementation |
| AT297615B (en) * | 1970-06-22 | 1972-04-10 | Bran & Luebbe Ges M B H | Gravel filter for water |
| US3841485A (en) * | 1972-05-08 | 1974-10-15 | Permutit Co Inc | Automatically backwashed gravity filter |
-
1976
- 1976-01-05 DE DE2600193A patent/DE2600193B2/en active Granted
- 1976-11-25 AT AT0875976A patent/AT365083B/en active
- 1976-12-09 IT IT52541/76A patent/IT1074214B/en active
- 1976-12-10 YU YU03020/76A patent/YU302076A/en unknown
- 1976-12-23 FR FR7638865A patent/FR2336964A1/en active Granted
- 1976-12-30 NL NL7614595A patent/NL7614595A/en not_active Application Discontinuation
-
1977
- 1977-01-04 BE BE173822A patent/BE850071A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE850071A (en) | 1977-07-04 |
| ATA875976A (en) | 1981-05-15 |
| FR2336964B1 (en) | 1980-09-26 |
| FR2336964A1 (en) | 1977-07-29 |
| DE2600193B2 (en) | 1978-07-27 |
| DE2600193A1 (en) | 1977-07-14 |
| AT365083B (en) | 1981-12-10 |
| DE2600193C3 (en) | 1979-03-22 |
| NL7614595A (en) | 1977-07-07 |
| YU302076A (en) | 1982-05-31 |
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