FR696366A - Device for cleaning, with blown air, large filter layers - Google Patents

Device for cleaning, with blown air, large filter layers

Info

Publication number
FR696366A
FR696366A FR696366DA FR696366A FR 696366 A FR696366 A FR 696366A FR 696366D A FR696366D A FR 696366DA FR 696366 A FR696366 A FR 696366A
Authority
FR
France
Prior art keywords
cleaning
blown air
filter layers
large filter
layers
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
Other languages
French (fr)
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.)
CHABAL ET CIE H
Original Assignee
CHABAL ET CIE H
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 CHABAL ET CIE H filed Critical CHABAL ET CIE H
Application granted granted Critical
Publication of FR696366A publication Critical patent/FR696366A/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
    • 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
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/08—Regeneration of the filter
    • B01D2201/087—Regeneration of the filter using gas bubbles, e.g. air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/10—Filtration under gravity in large open drainage basins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR696366D 1930-05-31 1930-05-31 Device for cleaning, with blown air, large filter layers Expired FR696366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR696366T 1930-05-31

Publications (1)

Publication Number Publication Date
FR696366A true FR696366A (en) 1930-12-30

Family

ID=9046619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696366D Expired FR696366A (en) 1930-05-31 1930-05-31 Device for cleaning, with blown air, large filter layers

Country Status (1)

Country Link
FR (1) FR696366A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747267C (en) * 1936-11-28 1944-09-18 Bamag Meguin Ag Backwash filter base for granular filter material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747267C (en) * 1936-11-28 1944-09-18 Bamag Meguin Ag Backwash filter base for granular filter material

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