NL139894B - Stuurinrichting voor de vloeistofstromen in een filtreerinstallatie met verscheidene parallelgeschakelde filtreereenheden. - Google Patents
Stuurinrichting voor de vloeistofstromen in een filtreerinstallatie met verscheidene parallelgeschakelde filtreereenheden.Info
- Publication number
- NL139894B NL139894B NL63301183A NL301183A NL139894B NL 139894 B NL139894 B NL 139894B NL 63301183 A NL63301183 A NL 63301183A NL 301183 A NL301183 A NL 301183A NL 139894 B NL139894 B NL 139894B
- Authority
- NL
- Netherlands
- Prior art keywords
- filtration
- control device
- liquid flows
- several parallel
- parallel switched
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title 2
- 238000009434 installation Methods 0.000 title 1
- 239000007788 liquid Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- 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
- B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
- B01D24/005—Filters being divided into a plurality of cells or compartments
-
- 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
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2713—Siphons
- Y10T137/272—Plural
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2713—Siphons
- Y10T137/2842—With flow starting, stopping or maintaining means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US259452A US3282432A (en) | 1963-02-18 | 1963-02-18 | Multiple unit backwashing filter |
Publications (1)
Publication Number | Publication Date |
---|---|
NL139894B true NL139894B (nl) | 1973-10-15 |
Family
ID=22985009
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL301183D NL301183A (de) | 1963-02-18 | ||
NL63301183A NL139894B (nl) | 1963-02-18 | 1963-11-29 | Stuurinrichting voor de vloeistofstromen in een filtreerinstallatie met verscheidene parallelgeschakelde filtreereenheden. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL301183D NL301183A (de) | 1963-02-18 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3282432A (de) |
AT (1) | AT250997B (de) |
BE (1) | BE643871A (de) |
CH (1) | CH426730A (de) |
DE (1) | DE1461395C3 (de) |
ES (1) | ES291156A1 (de) |
GB (1) | GB990807A (de) |
NL (2) | NL139894B (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3459302A (en) * | 1967-04-25 | 1969-08-05 | Hydro Clear Corp | Apparatus and method of filtering solids from a liquid effluent |
USRE28458E (en) * | 1967-04-25 | 1975-07-01 | Apparatus and method of filtering solids from a liquid effluent | |
US4196079A (en) * | 1978-12-29 | 1980-04-01 | Harsco Corporation | Pleated filter underdrain, method and apparatus |
DE2948091A1 (de) * | 1979-11-29 | 1981-06-04 | Wabag Wasserreinigungsbau Alfred Kretzschmar Gmbh & Co Kg, 8650 Kulmbach | Verfahren zum abfuehren des schlammwassers aus dem innenraum eines filters und filteranlage zur durchfuehrung des verfahrens |
US4948402A (en) * | 1988-12-09 | 1990-08-14 | Davis Water & Waste Industries, Inc. | Modular air scrubber system |
US5032294A (en) * | 1990-03-13 | 1991-07-16 | Schulz Christopher R | Multi-cell gravity filter with central control chamber |
US5137645A (en) * | 1991-06-28 | 1992-08-11 | Infilco Degremont Inc. | Declining rate filter systems and methods |
US5288399A (en) * | 1992-08-28 | 1994-02-22 | Schulz Christopher R | Gravity flow filter with backwash control chamber |
FR2705583B1 (fr) * | 1993-05-28 | 1995-08-18 | Degremont | Perfectionnements apportés aux dispositifs filtrants pour la clarification de liquide notamment d'eau. |
US6849180B2 (en) * | 2002-06-13 | 2005-02-01 | Usfilter Corporation | Flow splitting weir |
US6666965B1 (en) * | 2002-06-14 | 2003-12-23 | Cornell Research Foundation, Inc. | Cellular microbead filter for use in water recirculating system |
CN102616888B (zh) * | 2011-01-27 | 2015-04-15 | 上海市政工程设计研究总院(集团)有限公司 | 恒液位虹吸自流浸没式膜滤池及其产水方法 |
WO2014065648A1 (en) * | 2012-10-25 | 2014-05-01 | Mak Moon Tuck | Water filtration apparatus with automatic backwash |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2395508A (en) * | 1941-10-06 | 1946-02-26 | Graver Tank & Mfg Co | Liquid treatment |
US3134735A (en) * | 1961-11-28 | 1964-05-26 | Greenleaf Entpr Inc | Open gravity filters |
-
0
- NL NL301183D patent/NL301183A/xx unknown
-
1963
- 1963-02-18 US US259452A patent/US3282432A/en not_active Expired - Lifetime
- 1963-08-13 GB GB31988/63A patent/GB990807A/en not_active Expired
- 1963-08-26 ES ES0291156A patent/ES291156A1/es not_active Expired
- 1963-09-19 DE DE1461395A patent/DE1461395C3/de not_active Expired
- 1963-10-14 CH CH1260363A patent/CH426730A/de unknown
- 1963-10-17 AT AT831063A patent/AT250997B/de active
- 1963-11-29 NL NL63301183A patent/NL139894B/xx not_active IP Right Cessation
-
1964
- 1964-02-14 BE BE643871D patent/BE643871A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AT250997B (de) | 1966-12-12 |
GB990807A (en) | 1965-05-05 |
DE1461395B2 (de) | 1975-01-30 |
DE1461395A1 (de) | 1972-03-09 |
US3282432A (en) | 1966-11-01 |
NL301183A (de) | 1900-01-01 |
CH426730A (de) | 1966-12-31 |
DE1461395C3 (de) | 1975-10-09 |
BE643871A (de) | 1964-05-29 |
ES291156A1 (es) | 1964-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: WESTINGHOUSE |
|
V4 | Discontinued because of reaching the maximum lifetime of a patent |