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MX2020008174A - Cleaning notches and passages for a feeding or refining element. - Google Patents

Cleaning notches and passages for a feeding or refining element.

Info

Publication number
MX2020008174A
MX2020008174A MX2020008174A MX2020008174A MX2020008174A MX 2020008174 A MX2020008174 A MX 2020008174A MX 2020008174 A MX2020008174 A MX 2020008174A MX 2020008174 A MX2020008174 A MX 2020008174A MX 2020008174 A MX2020008174 A MX 2020008174A
Authority
MX
Mexico
Prior art keywords
bars
passages
holes
feeding
refiner
Prior art date
Application number
MX2020008174A
Other languages
Spanish (es)
Inventor
Luc Gingras
Tobias Michel
Original Assignee
Andritz Inc
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 Andritz Inc filed Critical Andritz Inc
Publication of MX2020008174A publication Critical patent/MX2020008174A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills
    • D21D1/306—Discs
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/004—Methods of beating or refining including disperging or deflaking
    • D21D1/006—Disc mills
    • D21D1/008—Discs
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills
    • D21D1/303—Double disc mills
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Paper (AREA)
  • Crushing And Grinding (AREA)

Abstract

A flinger or refiner plate for a mechanical refiner including deep notches or holes in feeder bars of the flinger plate and/or open passages or holes in bars of the refiner plate. The open passages and/or holes in the bars significantly reduce stagnate flow zones at the trailing side of the bars during operation of the mechanical refiner. The reduction of the stagnate flow zones may reduce or eliminate fiber accumulation at the trailing side of the bars.
MX2020008174A 2018-02-26 2019-02-20 Cleaning notches and passages for a feeding or refining element. MX2020008174A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862635143P 2018-02-26 2018-02-26
PCT/US2019/018758 WO2019164937A1 (en) 2018-02-26 2019-02-20 Cleaning notches and passages for a feeding or refining element

Publications (1)

Publication Number Publication Date
MX2020008174A true MX2020008174A (en) 2020-09-25

Family

ID=67683860

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2020008174A MX2020008174A (en) 2018-02-26 2019-02-20 Cleaning notches and passages for a feeding or refining element.

Country Status (10)

Country Link
US (1) US20190264389A1 (en)
EP (1) EP3759276A1 (en)
JP (1) JP2021515112A (en)
KR (1) KR20200106201A (en)
CN (1) CN111742100A (en)
BR (1) BR112020016507A2 (en)
CA (1) CA3090180A1 (en)
MX (1) MX2020008174A (en)
RU (1) RU2020131522A (en)
WO (1) WO2019164937A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE542325C2 (en) * 2018-06-04 2020-04-07 Valmet Oy Refiner segment with dams having curved sides
SE542986C2 (en) * 2019-03-13 2020-09-22 Valmet Oy Double disc pulp refiner comprising a center plate
US11628446B2 (en) * 2019-09-23 2023-04-18 Andritz Inc. Flinger apparatus for a counter-rotating refiner
SE545094C2 (en) * 2021-03-24 2023-03-28 Valmet Oy Refiner segment
US20230175204A1 (en) * 2021-12-03 2023-06-08 Andritz Inc. Conical inlet transition zone for mechanical refiners

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4820381A (en) * 1987-02-25 1989-04-11 Internationa Paper Company Pulp refiner with fluidizing inlet
US5823453A (en) * 1995-11-14 1998-10-20 J & L Fiber Services, Inc. Refiner disc with curved refiner bars
US5863000A (en) * 1997-07-01 1999-01-26 Durametal Corporation Refiner plate with steam relief pockets
US6607153B1 (en) * 1998-08-19 2003-08-19 Durametal Corporation Refiner plate steam management system
US6325308B1 (en) * 1999-09-28 2001-12-04 J & L Fiber Services, Inc. Refiner disc and method
US7347392B2 (en) * 2005-02-28 2008-03-25 J & L Fiber Services, Inc. Refiners and methods of refining pulp
CN201192645Y (en) * 2008-01-28 2009-02-11 三门峡市中赢橡胶技术有限公司 Precision knife grinder dish of rubber powder making machine and rubber powder making machine
DE102011108062A1 (en) * 2011-07-21 2013-01-24 Cvp Clean Value Plastics Gmbh Apparatus and method for removing contaminants on plastic chips
CA2896656C (en) * 2013-02-01 2021-03-02 Andritz Inc. Cast refiner plate segment with blunt edges and corners for safe handling
US10697117B2 (en) * 2014-11-19 2020-06-30 Andritz Inc. Segmented rotor cap assembly
SE539119C2 (en) * 2015-10-08 2017-04-11 Valmet Oy Feeding center plate in a pulp or fiber refiner

Also Published As

Publication number Publication date
BR112020016507A2 (en) 2020-12-15
CA3090180A1 (en) 2019-08-29
KR20200106201A (en) 2020-09-11
EP3759276A1 (en) 2021-01-06
US20190264389A1 (en) 2019-08-29
CN111742100A (en) 2020-10-02
RU2020131522A (en) 2022-03-29
WO2019164937A1 (en) 2019-08-29
JP2021515112A (en) 2021-06-17

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