GB2074886B - Backwashable filter - Google Patents

Backwashable filter

Info

Publication number
GB2074886B
GB2074886B GB8111721A GB8111721A GB2074886B GB 2074886 B GB2074886 B GB 2074886B GB 8111721 A GB8111721 A GB 8111721A GB 8111721 A GB8111721 A GB 8111721A GB 2074886 B GB2074886 B GB 2074886B
Authority
GB
United Kingdom
Prior art keywords
backwashable filter
backwashable
filter
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
GB8111721A
Other versions
GB2074886A (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.)
British Sidac Ltd
Original Assignee
British Sidac Ltd
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 British Sidac Ltd filed Critical British Sidac Ltd
Priority to GB8111721A priority Critical patent/GB2074886B/en
Publication of GB2074886A publication Critical patent/GB2074886A/en
Application granted granted Critical
Publication of GB2074886B publication Critical patent/GB2074886B/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • D21D5/16—Cylinders and plates for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Materials (AREA)
GB8111721A 1980-04-22 1981-04-13 Backwashable filter Expired GB2074886B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8111721A GB2074886B (en) 1980-04-22 1981-04-13 Backwashable filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8013158 1980-04-22
GB8111721A GB2074886B (en) 1980-04-22 1981-04-13 Backwashable filter

Publications (2)

Publication Number Publication Date
GB2074886A GB2074886A (en) 1981-11-11
GB2074886B true GB2074886B (en) 1983-09-28

Family

ID=26275270

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8111721A Expired GB2074886B (en) 1980-04-22 1981-04-13 Backwashable filter

Country Status (1)

Country Link
GB (1) GB2074886B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436633A (en) * 1981-08-14 1984-03-13 Robinsky Eli I Filtration thickening method and apparatus
FI97983C (en) * 1995-03-24 1997-03-25 Jylhaeraisio Oy Screening method and sieve

Also Published As

Publication number Publication date
GB2074886A (en) 1981-11-11

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee