SE8106985L - KEEP PREVENTING THE COMPOSITION OF A SILORGAN IN THE SILVERING OF A FIBER SUSPENSION - Google Patents

KEEP PREVENTING THE COMPOSITION OF A SILORGAN IN THE SILVERING OF A FIBER SUSPENSION

Info

Publication number
SE8106985L
SE8106985L SE8106985A SE8106985A SE8106985L SE 8106985 L SE8106985 L SE 8106985L SE 8106985 A SE8106985 A SE 8106985A SE 8106985 A SE8106985 A SE 8106985A SE 8106985 L SE8106985 L SE 8106985L
Authority
SE
Sweden
Prior art keywords
valve
reject
silorgan
silvering
composition
Prior art date
Application number
SE8106985A
Other languages
Swedish (sv)
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
Priority to SE8106985A priority Critical patent/SE8106985L/en
Priority to PCT/SE1982/000366 priority patent/WO1983001969A1/en
Priority to EP82903355A priority patent/EP0096041A1/en
Priority to AU91223/82A priority patent/AU9122382A/en
Priority to BR8207990A priority patent/BR8207990A/en
Priority to PT75840A priority patent/PT75840B/en
Priority to IT24316/82A priority patent/IT1153071B/en
Priority to PL23916482A priority patent/PL239164A1/en
Priority to DD82245165A priority patent/DD204964A5/en
Priority to GR69883A priority patent/GR77031B/el
Publication of SE8106985L publication Critical patent/SE8106985L/en
Priority to FI832665A priority patent/FI832665A0/en

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
    • B01D37/00—Processes of filtration
    • B01D37/04—Controlling the filtration
    • B01D37/043—Controlling the filtration by flow measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/04—Controlling the filtration
    • B01D37/046—Controlling the filtration by pressure 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

In screening a fibre suspension, an accept and a reject are tapped off, tapping the reject being controlled by a valve (6). According to the invention, the pressure drop across the screening means is measured, and when this drop exceeds a predetermined first value the valve (6) is opened from a first to a second position and when the pressure drop falls below a second predetermined value or when a given predetermined time has passed the valve is returned to its position prior to opening. In this second position the reject valve (6) is preferably completely open. The accept flow may possibly also be constricted when the reject valve is in the second position.
SE8106985A 1981-11-24 1981-11-24 KEEP PREVENTING THE COMPOSITION OF A SILORGAN IN THE SILVERING OF A FIBER SUSPENSION SE8106985L (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE8106985A SE8106985L (en) 1981-11-24 1981-11-24 KEEP PREVENTING THE COMPOSITION OF A SILORGAN IN THE SILVERING OF A FIBER SUSPENSION
PCT/SE1982/000366 WO1983001969A1 (en) 1981-11-24 1982-11-04 Method of preventing clogging a screening means
EP82903355A EP0096041A1 (en) 1981-11-24 1982-11-04 Method of preventing clogging a screening means
AU91223/82A AU9122382A (en) 1981-11-24 1982-11-04 Method of preventing clogging a screening means
BR8207990A BR8207990A (en) 1981-11-24 1982-11-04 PROCESS OF PREVENTING THE CLOGGING OF A SIEVE DEVICE
PT75840A PT75840B (en) 1981-11-24 1982-11-12 Method of preventing clogging a screening means
IT24316/82A IT1153071B (en) 1981-11-24 1982-11-18 METHOD TO PREVENT THE OBSTRUCTION OF A SCREENING VEHICLE
PL23916482A PL239164A1 (en) 1981-11-24 1982-11-22 Method of preventing sieve clogging
DD82245165A DD204964A5 (en) 1981-11-24 1982-11-23 METHOD FOR PREVENTING THE CONTAMINATION OF A SIEVE DEVICE
GR69883A GR77031B (en) 1981-11-24 1982-11-23
FI832665A FI832665A0 (en) 1981-11-24 1983-07-22 FOERFARANDE FOER ATT FOERHINDRA TILLTAEPPNING AV EN SIKTANORDNING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8106985A SE8106985L (en) 1981-11-24 1981-11-24 KEEP PREVENTING THE COMPOSITION OF A SILORGAN IN THE SILVERING OF A FIBER SUSPENSION

Publications (1)

Publication Number Publication Date
SE8106985L true SE8106985L (en) 1983-05-25

Family

ID=20345107

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8106985A SE8106985L (en) 1981-11-24 1981-11-24 KEEP PREVENTING THE COMPOSITION OF A SILORGAN IN THE SILVERING OF A FIBER SUSPENSION

Country Status (10)

Country Link
EP (1) EP0096041A1 (en)
BR (1) BR8207990A (en)
DD (1) DD204964A5 (en)
FI (1) FI832665A0 (en)
GR (1) GR77031B (en)
IT (1) IT1153071B (en)
PL (1) PL239164A1 (en)
PT (1) PT75840B (en)
SE (1) SE8106985L (en)
WO (1) WO1983001969A1 (en)

Families Citing this family (10)

* 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 (en) * 1992-06-05 1994-01-17 Sunds Defibrator Ind Ab Methods to control the screening process when screening cellulose-containing pulp suspensions
US6324490B1 (en) * 1999-01-25 2001-11-27 J&L Fiber Services, Inc. Monitoring system and method for a fiber processing apparatus
US6502774B1 (en) 2000-03-08 2003-01-07 J + L Fiber Services, Inc. Refiner disk sensor and sensor refiner disk
US6314381B1 (en) 2000-03-08 2001-11-06 J & L Fiber Services, Inc Refiner measurement system and method
DE10125975A1 (en) * 2001-05-29 2002-12-05 Voith Paper Patent Gmbh Process for separating fractions from a fiber suspension
DE10160603A1 (en) * 2001-12-10 2003-06-26 Voith Paper Patent Gmbh Method for regulating sorting systems and sorting system suitable for carrying out this method
FI20090455A (en) 2009-11-30 2011-05-31 Andritz Oy Procedure for the regulation of a silage
US10610873B2 (en) * 2015-07-24 2020-04-07 Jason D Lalli Filtration system utilizing actuated flow control valve
DE102019116197A1 (en) * 2019-06-14 2020-12-17 Voith Patent Gmbh Soiling measurement suction roll

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
US3502213A (en) * 1967-04-15 1970-03-24 Sadatomo Kuribayashi Strainer
FI761578A (en) * 1976-06-03 1977-12-04 Tampella Oy Ab

Also Published As

Publication number Publication date
EP0096041A1 (en) 1983-12-21
IT8224316A0 (en) 1982-11-18
IT1153071B (en) 1987-01-14
PL239164A1 (en) 1983-07-18
FI832665A (en) 1983-07-22
PT75840B (en) 1985-12-09
DD204964A5 (en) 1983-12-14
GR77031B (en) 1984-09-04
BR8207990A (en) 1983-10-04
IT8224316A1 (en) 1984-05-18
FI832665A0 (en) 1983-07-22
WO1983001969A1 (en) 1983-06-09
PT75840A (en) 1982-12-01

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