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
  • D21D5/023—Stationary screen-drums
  • D21D5/026—Stationary screen-drums with rotating cleaning foils
• • 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
  • B01D29/23—Supported filter elements arranged for outward flow filtration
  • B01D29/25—Supported filter elements arranged for outward flow filtration open-ended the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
• • 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
  • B01D29/31—Self-supporting filtering elements
  • B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
  • B01D29/356—Self-supporting filtering elements arranged for outward flow filtration open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
• • 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
  • B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
  • B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
  • B01D29/58—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 multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
• • 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
  • B01D29/62—Regenerating the filter material in the filter
  • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
  • B01D29/666—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps by a stirrer placed on the filtrate side of the filtering element
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2201/00—Details relating to filtering apparatus
  • B01D2201/04—Supports for the filtering elements
  • B01D2201/043—Filter tubes connected to plates
• • 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
  • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
  • B01D29/86—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers

Landscapes

• Chemical Kinetics & Catalysis (AREA)
• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Paper (AREA)
• Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
• Secondary Cells (AREA)
• Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
• Separation By Low-Temperature Treatments (AREA)
• User Interface Of Digital Computer (AREA)
• Valve Device For Special Equipments (AREA)
• Glass Compositions (AREA)
• Silicates, Zeolites, And Molecular Sieves (AREA)
• Combined Means For Separation Of Solids (AREA)
• Toys (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=20388833

Family Applications (1)

Country Status (16)

Families Citing this family (17)

Family Cites Families (13)

• 1993
  • 1993-02-10 SE SE9300419A patent/SE500893C2/sv not_active IP Right Cessation
• 1994
  • 1994-01-12 AT AT94907738T patent/ATE153718T1/de active
  • 1994-01-12 EP EP94907738A patent/EP0683833B1/en not_active Expired - Lifetime
  • 1994-01-12 DE DE69403450T patent/DE69403450T2/de not_active Expired - Fee Related
  • 1994-01-12 CA CA002154256A patent/CA2154256A1/en not_active Abandoned
  • 1994-01-12 ES ES94907738T patent/ES2102207T3/es not_active Expired - Lifetime
  • 1994-01-12 US US08/500,928 patent/US5679250A/en not_active Expired - Lifetime
  • 1994-01-12 AU AU61180/94A patent/AU670682B2/en not_active Ceased
  • 1994-01-12 NZ NZ261922A patent/NZ261922A/en unknown
  • 1994-01-12 BR BR9406269A patent/BR9406269A/pt not_active IP Right Cessation
  • 1994-01-12 WO PCT/SE1994/000013 patent/WO1994018387A1/en not_active Ceased
  • 1994-01-12 JP JP6517933A patent/JPH08506387A/ja active Pending
  • 1994-01-12 CN CN94191114A patent/CN1035489C/zh not_active Expired - Lifetime
  • 1994-01-24 ZA ZA94466A patent/ZA94466B/xx unknown
• 1995
  • 1995-08-09 NO NO953128A patent/NO953128L/no unknown
  • 1995-08-09 FI FI953783A patent/FI115729B/fi not_active IP Right Cessation
• 2003
  • 2003-06-17 JP JP2003171911A patent/JP2004003106A/ja not_active Withdrawn

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