GB590161A - Improvements in filters - Google Patents

Improvements in filters

Info

Publication number
GB590161A
GB590161A GB9575/45A GB957545A GB590161A GB 590161 A GB590161 A GB 590161A GB 9575/45 A GB9575/45 A GB 9575/45A GB 957545 A GB957545 A GB 957545A GB 590161 A GB590161 A GB 590161A
Authority
GB
United Kingdom
Prior art keywords
chamber
april
chambers
inlet
filtering material
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
GB9575/45A
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.)
JEAN VAN DER MADE
Original Assignee
JEAN VAN DER MADE
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 JEAN VAN DER MADE filed Critical JEAN VAN DER MADE
Publication of GB590161A publication Critical patent/GB590161A/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
    • B01D24/04—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 clamped between pervious fixed walls
    • B01D24/06—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 clamped between pervious fixed walls the pervious walls comprising a series of louvres or slots
    • 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
    • B01D24/14—Downward filtration, the container having distribution or collection headers or pervious conduits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

590,161. Filters. MADE, J. VAN DER. April 17, 1945, No. 9575. Convention date, April 25, 1944. [Class 46] A filter 1 is provided with a false bottom 2 fitted with nozzles 14, each consisting of two chambers 16, 19 separated by a partition 11 which carries a tube 18, depending into the chamber 17 for filtered water, the lower chamber 19 communicating with the chamber 17 through an orifice 20. The walls of the chambers 16, 19 are formed with slots which prevent passage of the sand or other filtering material 3. The filtering material is cleansed by back flow of water through inlet 6 and compressed air through inlet 7.
GB9575/45A 1944-04-25 1945-04-17 Improvements in filters Expired GB590161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR590161X 1944-04-25

Publications (1)

Publication Number Publication Date
GB590161A true GB590161A (en) 1947-07-09

Family

ID=8963221

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9575/45A Expired GB590161A (en) 1944-04-25 1945-04-17 Improvements in filters

Country Status (1)

Country Link
GB (1) GB590161A (en)

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