GB671997A - Improvements in or relating to liquid purifying filters - Google Patents

Improvements in or relating to liquid purifying filters

Info

Publication number
GB671997A
GB671997A GB25659/50A GB2565950A GB671997A GB 671997 A GB671997 A GB 671997A GB 25659/50 A GB25659/50 A GB 25659/50A GB 2565950 A GB2565950 A GB 2565950A GB 671997 A GB671997 A GB 671997A
Authority
GB
United Kingdom
Prior art keywords
floor
nozzle
tube
sleeve
rods
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
Application number
GB25659/50A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB671997A publication Critical patent/GB671997A/en
Expired legal-status Critical Current

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
    • B01D24/46—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
    • B01D24/02—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
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0415—Details of supporting structures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nozzles (AREA)
  • Road Paving Structures (AREA)
  • Filtration Of Liquid (AREA)
GB25659/50A 1949-10-25 1950-10-20 Improvements in or relating to liquid purifying filters Expired GB671997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL295079X 1949-10-25

Publications (1)

Publication Number Publication Date
GB671997A true GB671997A (en) 1952-05-14

Family

ID=19782938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25659/50A Expired GB671997A (en) 1949-10-25 1950-10-20 Improvements in or relating to liquid purifying filters

Country Status (6)

Country Link
US (1) US2711829A (en:Method)
BE (1) BE498884A (en:Method)
CH (1) CH295079A (en:Method)
DE (1) DE841443C (en:Method)
FR (1) FR1026437A (en:Method)
GB (1) GB671997A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1006833B (de) * 1953-03-21 1957-04-25 Micafil Ag Zerlegbare Filterduese fuer Schnellfilteranlagen, bestehend aus einer in der Bodenplatte befestigten Fassung, einem in dieser eingeschraubten Kopfstueck, einem dazwischen angeordneten Filterring und einem Ablaufrohr
US4476020A (en) * 1981-12-08 1984-10-09 Paterson Candy International Limited Strainer assembly for granular media filters

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH311227A (de) * 1953-03-10 1955-11-30 Tiefbohr & Baugesellschaft Ag Waschdüse an einer Flüssigkeitsfilteranlage.
DE1028090B (de) * 1954-09-24 1958-04-17 Wolfgang Merlet Duesenboden mit von oben ueber einen zusammendrueckbaren elastischen Ring herausnehmbar befestigten Duesen
DE962065C (de) * 1955-03-25 1957-04-18 Otto Raulefs Dipl Ing Mehrteilige zusammensteckbare Duese fuer Wasserfilter
DE1022557B (de) * 1955-05-20 1958-01-16 Forschungsgesellschaft Der Wab Filterduese
DE1032222B (de) * 1956-08-21 1958-06-19 Philipp Mueller Nachf Eugen Bu Duese fuer rueckspuelbare Filter
DE1177612B (de) * 1962-06-20 1964-09-10 Basf Ag Duese und Duesenbefestigung fuer mit koernigen Filtermitteln beladene Filterboeden, insbesondere fuer Wasserreinigungsanlagen
US3468422A (en) * 1967-02-03 1969-09-23 Chicago Bridge & Iron Co Ceramic filter bottom directly supporting media
US3994812A (en) * 1974-07-10 1976-11-30 Uddeholms Aktiebolag Double bottom tank structure with sleeved strainer means
FR2596385B1 (fr) * 1986-03-26 1991-05-31 Omnium Traitement Valorisa Plancher pour filtre de traitement des eaux
US4707257A (en) * 1986-05-29 1987-11-17 The Graver Company Air/water distributor underdrain
FR2625915B1 (fr) * 1988-01-15 1990-05-25 Degremont Procede pour la fabrication de planchers pour filtres, et planchers ainsi realises
DE4239293C2 (de) * 1992-11-23 1994-09-08 Kleemeier Schewe & Co Ksh Gmbh Filterdüse aus Kunststoff
FR2759720B1 (fr) * 1997-02-19 1999-04-30 Degremont Procede de realisation d'un plancher de filtre pour le traitement des eaux
CN114538642B (zh) * 2022-03-07 2023-09-15 广东人为环境科技有限公司 一种基于信息化的集成式一体化净水厂

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US612421A (en) * 1898-10-18 Signors to the
US2047716A (en) * 1936-07-14 Irrigation sprinkler
US653160A (en) * 1899-11-21 1900-07-03 Henry B Anderson Filter.
US791213A (en) * 1903-06-26 1905-05-30 Charles V Roberts Water-filter.
US1097999A (en) * 1909-08-30 1914-05-26 Claude A P Turner Reinforced concrete construction.
US1053646A (en) * 1909-11-22 1913-02-18 Charles Wesley Roberts Building construction.
US1031043A (en) * 1910-02-17 1912-07-02 Unit Construction Co Concrete cosntruction.
US1150231A (en) * 1914-11-05 1915-08-17 James R Smith Flange for drains, vents, and other purposes.
US1503421A (en) * 1921-09-30 1924-07-29 William F Innes Roof connection
US1472669A (en) * 1922-04-05 1923-10-30 Overbaugh Leslie Sprinkler nozzle
US1569896A (en) * 1924-08-04 1926-01-19 Joseph E Nelson & Sons Filtering tank
US2011937A (en) * 1934-05-05 1935-08-20 John F Mckeage Tapping bush for beer barrels
GB494934A (en) * 1937-03-17 1938-11-03 Franke Peter Improvements in or relating to filters for liquids
US2412032A (en) * 1945-05-10 1946-12-03 Jr James Bill Distribution nozzle for filters and the like
US2537659A (en) * 1945-08-24 1951-01-09 Nat Clay Pipe Res Corp Joint for pipe and conduits

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1006833B (de) * 1953-03-21 1957-04-25 Micafil Ag Zerlegbare Filterduese fuer Schnellfilteranlagen, bestehend aus einer in der Bodenplatte befestigten Fassung, einem in dieser eingeschraubten Kopfstueck, einem dazwischen angeordneten Filterring und einem Ablaufrohr
US4476020A (en) * 1981-12-08 1984-10-09 Paterson Candy International Limited Strainer assembly for granular media filters

Also Published As

Publication number Publication date
CH295079A (de) 1953-12-15
DE841443C (de) 1952-06-16
US2711829A (en) 1955-06-28
BE498884A (en:Method)
FR1026437A (fr) 1953-04-28

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