GB2020562B - Drainage nozzles in filter bed - Google Patents

Drainage nozzles in filter bed

Info

Publication number
GB2020562B
GB2020562B GB7901938A GB7901938A GB2020562B GB 2020562 B GB2020562 B GB 2020562B GB 7901938 A GB7901938 A GB 7901938A GB 7901938 A GB7901938 A GB 7901938A GB 2020562 B GB2020562 B GB 2020562B
Authority
GB
United Kingdom
Prior art keywords
filter bed
drainage nozzles
nozzles
drainage
bed
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
GB7901938A
Other versions
GB2020562A (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.)
Sulzer AG
Original Assignee
Sulzer AG
Gebrueder Sulzer AG
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 Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer AG
Publication of GB2020562A publication Critical patent/GB2020562A/en
Application granted granted Critical
Publication of GB2020562B publication Critical patent/GB2020562B/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
    • B01D24/02—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Sewage (AREA)
  • Filtering Materials (AREA)
GB7901938A 1978-05-10 1979-01-19 Drainage nozzles in filter bed Expired GB2020562B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH506678A CH627090A5 (en) 1978-05-10 1978-05-10

Publications (2)

Publication Number Publication Date
GB2020562A GB2020562A (en) 1979-11-21
GB2020562B true GB2020562B (en) 1982-10-13

Family

ID=4287361

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7901938A Expired GB2020562B (en) 1978-05-10 1979-01-19 Drainage nozzles in filter bed

Country Status (9)

Country Link
JP (1) JPS5850523B2 (en)
AT (1) AT370339B (en)
CH (1) CH627090A5 (en)
DE (1) DE2852316C3 (en)
ES (1) ES477124A1 (en)
FR (1) FR2425261B1 (en)
GB (1) GB2020562B (en)
IT (1) IT1111791B (en)
NL (1) NL7902698A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845708A (en) * 1981-09-11 1983-03-17 Kurita Water Ind Ltd Filter apparatus
US5028322A (en) * 1989-07-11 1991-07-02 The Graver Company Low profile underdrain strainer assembly with improved distribution/fastening means
JP4688049B2 (en) * 2006-02-20 2011-05-25 株式会社 太陽 Water purifier and backwash method for water purifier

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE61755C (en) * F. ENGEL in Hamburg Sand filter
GB618196A (en) * 1946-11-01 1949-02-17 Frank Pullen Candy Improvements in connection with filters
DE1022190B (en) * 1956-04-14 1958-01-09 Bran & Luebbe Liquid distributor for mixed bed filter
GB872632A (en) * 1959-05-13 1961-07-12 Pfaudler Permutit Inc Underdrain for a tank
DE1302745C2 (en) * 1963-08-15 1973-07-19 Gebrüder Sulzer AG, Winterthur (Schweiz·.) CONCRETE FILTER FLOOR OF A QUICK FILTER SYSTEM
DE1958124U (en) * 1967-02-07 1967-04-06 Berliner Wassertechnische Ges FILTER NOZZLE FOR LIQUID TREATMENT SYSTEMS.
DE2414080C3 (en) * 1974-03-23 1980-06-04 L. & C. Steinmueller Gmbh, 5270 Gummersbach Liquid filter
DE2436447C3 (en) * 1974-07-29 1980-04-10 Preussag Ag, 3000 Hannover Und 1000 Berlin Backwashable filter without nozzle base with combined air and water rinsing

Also Published As

Publication number Publication date
JPS5850523B2 (en) 1983-11-11
DE2852316B2 (en) 1981-04-16
JPS54147574A (en) 1979-11-17
DE2852316C3 (en) 1981-11-26
IT7919921A0 (en) 1979-02-06
CH627090A5 (en) 1981-12-31
DE2852316A1 (en) 1979-11-15
NL7902698A (en) 1979-11-13
ES477124A1 (en) 1979-12-16
GB2020562A (en) 1979-11-21
AT370339B (en) 1983-03-25
FR2425261A1 (en) 1979-12-07
ATA863978A (en) 1982-08-15
FR2425261B1 (en) 1988-06-17
IT1111791B (en) 1986-01-13

Similar Documents

Publication Publication Date Title
JPS54136474A (en) Filter
GB2021428A (en) Floating bed filter apparatus
JPS54152274A (en) Filter
JPS54147576A (en) Vertical filter
JPS5513195A (en) Filter
SG13584G (en) Improvements in cigarette filters
JPS54101568A (en) Filter
GB2063061B (en) Arrangement in beds
GB2020562B (en) Drainage nozzles in filter bed
GB2026805B (en) Commuted-capacitor filter
JPS54140550A (en) Nd filter
JPS54100573A (en) Filter
GB2014897B (en) Filtering in injection nozzles
JPS54158766A (en) Filter
JPS5338157A (en) Water sprinkling filter bed
GB2029260B (en) Filter
JPS54153378A (en) Upper counterrcurrent movable bed system filter
JPS5339648A (en) Odor protecting method in sprinkling filter bed
JPS54163649A (en) Ladderrtype piezooelectric filter
JPS5495077A (en) Filter
JPS54124372A (en) Filter
JPS5498160A (en) Odddstage filter
JPS54155436A (en) Filter
JPS5497875A (en) Filter
AU4036778A (en) Filter

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee