GB597491A - Filtering equipment with automatic cleaning - Google Patents

Filtering equipment with automatic cleaning

Info

Publication number
GB597491A
GB597491A GB21387/45A GB2138745A GB597491A GB 597491 A GB597491 A GB 597491A GB 21387/45 A GB21387/45 A GB 21387/45A GB 2138745 A GB2138745 A GB 2138745A GB 597491 A GB597491 A GB 597491A
Authority
GB
United Kingdom
Prior art keywords
container
liquid
siphon
pipe
valve
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
GB21387/45A
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.)
Pista SA
Original Assignee
Pista SA
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 Pista SA filed Critical Pista SA
Publication of GB597491A publication Critical patent/GB597491A/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
    • B01D24/48—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
    • 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
    • B01D24/46—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)
GB21387/45A 1945-04-26 1945-08-21 Filtering equipment with automatic cleaning Expired GB597491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH597491X 1945-04-26

Publications (1)

Publication Number Publication Date
GB597491A true GB597491A (en) 1948-01-27

Family

ID=4522531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21387/45A Expired GB597491A (en) 1945-04-26 1945-08-21 Filtering equipment with automatic cleaning

Country Status (2)

Country Link
GB (1) GB597491A (enrdf_load_stackoverflow)
NL (1) NL120864C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495403A1 (de) * 1991-01-18 1992-07-22 BIWATER IBO GmbH Vorrichtung zum Reinigen von Abwasser
GB2275209A (en) * 1992-10-16 1994-08-24 Richard Pierpont Moore Backwashing filter beds

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH548404A (de) * 1969-07-02 1974-04-30 Hoffmann La Roche Verfahren zur herstellung von neuen benzodiazepin-derivaten.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495403A1 (de) * 1991-01-18 1992-07-22 BIWATER IBO GmbH Vorrichtung zum Reinigen von Abwasser
GB2275209A (en) * 1992-10-16 1994-08-24 Richard Pierpont Moore Backwashing filter beds
GB2275209B (en) * 1992-10-16 1996-02-07 Richard Pierpont Moore Rapid gravity filter backwash system and filters relative thereto

Also Published As

Publication number Publication date
NL120864C (enrdf_load_stackoverflow)

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