IT1024822B - Apparecchiatura di filtrazione a gravita con dispositivo pulitore del letto filtrante - Google Patents
Apparecchiatura di filtrazione a gravita con dispositivo pulitore del letto filtranteInfo
- Publication number
- IT1024822B IT1024822B IT70336/74A IT7033674A IT1024822B IT 1024822 B IT1024822 B IT 1024822B IT 70336/74 A IT70336/74 A IT 70336/74A IT 7033674 A IT7033674 A IT 7033674A IT 1024822 B IT1024822 B IT 1024822B
- Authority
- IT
- Italy
- Prior art keywords
- filter bed
- filtration equipment
- cleaner device
- gravity filtration
- bed cleaner
- 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
- B01D24/002—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
- B01D24/20—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 provided in an open container
- B01D24/22—Downward filtration, the filter 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
-
- 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
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
-
- 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 |
---|---|---|---|
CH1655773A CH568776A5 (it) | 1973-11-26 | 1973-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1024822B true IT1024822B (it) | 1978-07-20 |
Family
ID=4418360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT70336/74A IT1024822B (it) | 1973-11-26 | 1974-11-14 | Apparecchiatura di filtrazione a gravita con dispositivo pulitore del letto filtrante |
Country Status (6)
Country | Link |
---|---|
US (1) | US3984326A (it) |
CH (1) | CH568776A5 (it) |
DE (1) | DE2455172A1 (it) |
FR (1) | FR2252118B1 (it) |
GB (1) | GB1476669A (it) |
IT (1) | IT1024822B (it) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4059518A (en) * | 1975-07-29 | 1977-11-22 | Dover Corporation | Filter with axially shiftable rotating backwash selector |
US4133766A (en) * | 1977-03-11 | 1979-01-09 | Koppers Company, Inc. | Filter media support and containment system |
US4152266A (en) * | 1977-04-26 | 1979-05-01 | Leningradsky Nauchno-Issledovalelsky Institut Akademii Kommunnogo Khozualstua Imeni Pamfilova | Filter for treatment of natural and waste water |
CH628821A5 (en) * | 1978-04-26 | 1982-03-31 | Sulzer Ag | Backwashable rapid filter unit, in particular for treating wastewaters |
US4211656A (en) * | 1978-06-26 | 1980-07-08 | Cochrane John J | Liquid treating system |
FR2445734A1 (fr) * | 1979-01-08 | 1980-08-01 | Environmental Elements Corp | Filtre a cellules multiples avec milieu de filtration de type granulaire |
US4308141A (en) * | 1980-08-18 | 1981-12-29 | Clendenen Frank B | Modular filter system |
DE3138676A1 (de) * | 1981-09-29 | 1983-04-14 | Passavant-Werke AG & Co KG, 6209 Aarbergen | Filtereinrichtung mit einer einrichtung zum rueckspuelen des filterbettes |
US4450077A (en) * | 1982-08-06 | 1984-05-22 | Envirotech Corporation | Granular media filter |
US4454034A (en) * | 1983-05-19 | 1984-06-12 | Aqua-Aerobic Systems, Inc. | Filter apparatus |
US4859330A (en) * | 1988-10-11 | 1989-08-22 | Davis Water & Waste Industries, Inc. | Traveling bridge filter with air scour |
US4957631A (en) * | 1989-01-26 | 1990-09-18 | Davis Water And Waste Industries, Inc. | Traveling bridge filter with surface wash |
US4988439A (en) * | 1989-02-27 | 1991-01-29 | Davis Water & Waste Industries, Inc. | Two stage traveling bridge filter |
US5078873A (en) * | 1990-04-02 | 1992-01-07 | Baker Hughes Incorporated | Filter cleaning apparatus |
US5554281A (en) * | 1993-05-28 | 1996-09-10 | Davis Water & Waste Industries, Inc. | Traveling bridge filter system and associated underdrain |
US5476584A (en) * | 1993-10-14 | 1995-12-19 | Davis Water & Waste Industries, Inc. | Backwash/rewash traveling bridge filter and related process |
US5792359A (en) * | 1996-07-08 | 1998-08-11 | U.S. Filter Corporation | Sealing shoe for celless travelling bridge filter |
US5759412A (en) * | 1996-09-20 | 1998-06-02 | United States Filter Corporation | Control method and apparatus for backwash of filter media bed based water volume in filter basin |
US6093329A (en) * | 1996-10-04 | 2000-07-25 | United States Filter Corporation | Air scour/backwash apparatus for celless traveling bridge filter |
US5893973A (en) * | 1997-08-25 | 1999-04-13 | Antoun; Gregory S. | High efficiency backflush system for a filter |
US20070113870A1 (en) * | 2000-11-06 | 2007-05-24 | Nihon Genryo Co., Ltd. | Method of cleansing filtration media and system therefor |
US6616852B2 (en) * | 2001-06-28 | 2003-09-09 | Rg Delaware, Inc. | Modular filter system |
US7090771B2 (en) * | 2002-06-18 | 2006-08-15 | Infilco Degremont, Inc. | Filtration system underdrain |
US6921481B2 (en) * | 2002-06-18 | 2005-07-26 | Ondeo Degremont, Inc. | Automatic backwash filter system |
US6998046B2 (en) * | 2002-08-09 | 2006-02-14 | Rg Delaware, Inc. | Filter system and methods of operating the same |
US6942795B2 (en) * | 2003-01-31 | 2005-09-13 | Rg Delaware, Inc. | Modular filter system and method of repairing and/or replacing components thereof |
US20060186062A1 (en) * | 2005-02-22 | 2006-08-24 | Usfilter Corporation | Filter support member and methods of use and fabrication |
US11753610B2 (en) | 2011-03-03 | 2023-09-12 | PB Funding Group, LLC | Self healing controller for beer brewing system |
US11678760B2 (en) | 2011-03-03 | 2023-06-20 | PB Funding Group, LLC | Multifunctional brewing system for coffee, beer, and other beverages |
US20150000532A1 (en) * | 2011-03-03 | 2015-01-01 | PicoBrew, LLC | Cascading Hops Reservoirs for Recirculating Brewing System |
US10035979B2 (en) | 2015-07-23 | 2018-07-31 | Picobrew, Inc. | Beer making machine with direct steam injection |
US10926201B2 (en) * | 2012-02-12 | 2021-02-23 | Ide Technologies Ltd. | Integrated unit for intake and pretreatment with local backwashing |
US10762538B2 (en) | 2014-04-24 | 2020-09-01 | DataSpark, PTE. LTD. | Knowledge model for personalization and location services |
US10308903B2 (en) | 2014-09-17 | 2019-06-04 | Picobrew, Inc. | Foam reducing device |
US10377981B2 (en) | 2015-03-17 | 2019-08-13 | Picobrew, Inc. | Software tuning of recipes for beer brewing system |
US9932547B2 (en) | 2015-07-31 | 2018-04-03 | Picobrew, Inc. | Fermentation monitoring and management |
US10841852B2 (en) | 2015-12-09 | 2020-11-17 | DataSpark, PTE. LTD. | Transportation network monitoring using cellular radio metadata |
US10176340B2 (en) | 2016-03-13 | 2019-01-08 | DataSpark, PTE. LTD. | Abstracted graphs from social relationship graph |
US11157520B2 (en) | 2016-03-28 | 2021-10-26 | DataSpark, Pte Ltd. | Uniqueness level for anonymized datasets |
US10161533B2 (en) | 2016-05-09 | 2018-12-25 | Picobrew, Inc. | Bi-stable electrically actuated valve |
US10463983B2 (en) | 2017-03-31 | 2019-11-05 | Picobrew, Inc. | Distillation and essence extractor insert for beer brewing machine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2302449A (en) * | 1940-03-21 | 1942-11-17 | William C Laughlin | Filter apparatus |
US2302450A (en) * | 1940-06-29 | 1942-11-17 | William C Laughlin | Filter |
US3134735A (en) * | 1961-11-28 | 1964-05-26 | Greenleaf Entpr Inc | Open gravity filters |
-
1973
- 1973-11-26 CH CH1655773A patent/CH568776A5/xx not_active IP Right Cessation
-
1974
- 1974-11-14 IT IT70336/74A patent/IT1024822B/it active
- 1974-11-15 US US05/524,254 patent/US3984326A/en not_active Expired - Lifetime
- 1974-11-15 FR FR7437759A patent/FR2252118B1/fr not_active Expired
- 1974-11-21 DE DE19742455172 patent/DE2455172A1/de not_active Ceased
- 1974-11-25 GB GB5091174A patent/GB1476669A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2252118A1 (it) | 1975-06-20 |
DE2455172A1 (de) | 1975-06-26 |
CH568776A5 (it) | 1975-11-14 |
US3984326A (en) | 1976-10-05 |
GB1476669A (en) | 1977-06-16 |
FR2252118B1 (it) | 1979-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19931129 |