IT1153922B - Metodo ed apparecchiatura per la vagliatura di sospensioni di fibre - Google Patents

Metodo ed apparecchiatura per la vagliatura di sospensioni di fibre

Info

Publication number
IT1153922B
IT1153922B IT25001/82A IT2500182A IT1153922B IT 1153922 B IT1153922 B IT 1153922B IT 25001/82 A IT25001/82 A IT 25001/82A IT 2500182 A IT2500182 A IT 2500182A IT 1153922 B IT1153922 B IT 1153922B
Authority
IT
Italy
Prior art keywords
screening
equipment
fiber suspensions
suspensions
fiber
Prior art date
Application number
IT25001/82A
Other languages
English (en)
Italian (it)
Other versions
IT8225001A0 (it
IT8225001A1 (it
Inventor
Nils Anders Lennart Wikdahl
Original Assignee
Nils Anders Lennart Wikdahl
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 Nils Anders Lennart Wikdahl filed Critical Nils Anders Lennart Wikdahl
Publication of IT8225001A0 publication Critical patent/IT8225001A0/it
Publication of IT8225001A1 publication Critical patent/IT8225001A1/it
Application granted granted Critical
Publication of IT1153922B publication Critical patent/IT1153922B/it

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D21G9/0018—Paper-making control systems controlling the stock preparation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B01D33/763—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/804—Accessories integrally combined with devices for controlling the filtration
    • B01D33/806—Accessories integrally combined with devices for controlling the filtration by flow measuring
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
IT25001/82A 1982-01-08 1982-12-28 Metodo ed apparecchiatura per la vagliatura di sospensioni di fibre IT1153922B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8200073A SE426328B (sv) 1982-01-08 1982-01-08 Sett och anordning vid silning av en fibersuspension i en trycksil

Publications (3)

Publication Number Publication Date
IT8225001A0 IT8225001A0 (it) 1982-12-28
IT8225001A1 IT8225001A1 (it) 1984-06-28
IT1153922B true IT1153922B (it) 1987-01-21

Family

ID=20345660

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25001/82A IT1153922B (it) 1982-01-08 1982-12-28 Metodo ed apparecchiatura per la vagliatura di sospensioni di fibre

Country Status (14)

Country Link
US (1) US4479872A (OSRAM)
EP (1) EP0098270B1 (OSRAM)
AU (1) AU1042583A (OSRAM)
BR (1) BR8208047A (OSRAM)
CA (1) CA1200787A (OSRAM)
DD (1) DD209491A5 (OSRAM)
DE (1) DE3269908D1 (OSRAM)
FI (1) FI72758C (OSRAM)
GR (1) GR77172B (OSRAM)
IT (1) IT1153922B (OSRAM)
PL (1) PL239881A1 (OSRAM)
PT (1) PT76058B (OSRAM)
SE (1) SE426328B (OSRAM)
WO (1) WO1983002470A1 (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL81713A (en) * 1987-02-27 1992-03-29 Filtration Water Filters For A Method for filtering a fluid and filter system therefor
SE470315B (sv) * 1992-06-05 1994-01-17 Sunds Defibrator Ind Ab Sätt att styra silningsprocessen vid silning av cellulosahaltiga massasuspensioner
US6080274A (en) * 1997-05-06 2000-06-27 Valmet Corporation Method for controlling a multi-phase screening apparatus
US6165370A (en) * 1998-01-21 2000-12-26 Voith Sulzer Paper Technology North America, Inc. Pressure screen monitoring apparatus and method
US6585116B1 (en) * 2000-02-22 2003-07-01 Voith Sulzer Paper Technology North America, Inc. Screening apparatus for fiber suspension
DE10125975A1 (de) * 2001-05-29 2002-12-05 Voith Paper Patent Gmbh Verfahren zur Abscheidung von Anteilen aus einer Faserstoffsuspension
US6646072B2 (en) * 2002-01-23 2003-11-11 Equistar Chemicals, Lp Process for making polyolefin compositions containing exfoliated clay
SE0303260D0 (sv) * 2003-12-04 2003-12-04 Metso Paper Inc Screening apparatus for screening pulp suspensions with monitoring means

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410409A (en) * 1966-01-18 1968-11-12 Bird Machine Co Screening apparatus control
US4042503A (en) * 1973-12-10 1977-08-16 Beloit Corporation Classifier and process for recycled fiber separation
US4126542A (en) * 1977-04-22 1978-11-21 Canadian Ingersoll-Rand Company Pressure drop device for fluid suspensions

Also Published As

Publication number Publication date
IT8225001A0 (it) 1982-12-28
PT76058A (en) 1983-01-01
PT76058B (en) 1986-01-16
GR77172B (OSRAM) 1984-09-10
US4479872A (en) 1984-10-30
WO1983002470A1 (en) 1983-07-21
AU1042583A (en) 1983-07-28
EP0098270A1 (en) 1984-01-18
PL239881A1 (en) 1983-07-18
FI833215L (fi) 1983-09-08
CA1200787A (en) 1986-02-18
DD209491A5 (de) 1984-05-09
SE8200073L (sv) 1982-12-27
SE426328B (sv) 1982-12-27
BR8208047A (pt) 1983-11-22
DE3269908D1 (en) 1986-04-17
FI72758B (fi) 1987-03-31
IT8225001A1 (it) 1984-06-28
EP0098270B1 (en) 1986-03-12
FI72758C (fi) 1988-05-16
FI833215A0 (fi) 1983-09-08

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