BRPI0504090A - cilindro de lavadora a vácuo - Google Patents

cilindro de lavadora a vácuo

Info

Publication number
BRPI0504090A
BRPI0504090A BRPI0504090-6A BRPI0504090A BRPI0504090A BR PI0504090 A BRPI0504090 A BR PI0504090A BR PI0504090 A BRPI0504090 A BR PI0504090A BR PI0504090 A BRPI0504090 A BR PI0504090A
Authority
BR
Brazil
Prior art keywords
cylinder
channels
filtrate
filtrate channels
washer
Prior art date
Application number
BRPI0504090-6A
Other languages
English (en)
Inventor
Todd Grace
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 BRPI0504090A publication Critical patent/BRPI0504090A/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50—Cleaning

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

"CILINDRO DE LAVADORA A VáCUO". A presente invenção refere-se a uma lavadora de cilindro a vácuo é projetada para permitir o uso de um cilindro para comprimentos de cilindro que excedem 6,10 m (20 pés). A lavadora com cilindro incluiu um cilindro que inclui uma tela de malha que define uma parede exterior. Uma pluralidade de canais de filtrado externos é disposta radialmente para dentro da tela de malha. Uma pluralidade de canais de filtrado internos está disposta radialmente para dentro dos canais de filtrado externos e estendem-se ao longo do eixo longitudinal do cilindro e menos do que todo o comprimento do cilindro. Um canal de transferência conecta os canais de filtrado e os canais de filtrado internos. Uma pluralidade de canaletas de drenagem radial são dispostas adjacentes a uma extremidade de cabeça dos canais de filtrado interno e externo, cujas canaletas radiais direcionam o filtrado para uma válvula de drenagem.
BRPI0504090-6A 2004-09-24 2005-09-22 cilindro de lavadora a vácuo BRPI0504090A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61252204P 2004-09-24 2004-09-24
US11/210,268 US7347916B2 (en) 2004-09-24 2005-08-24 Vacuum washer drum

Publications (1)

Publication Number Publication Date
BRPI0504090A true BRPI0504090A (pt) 2006-05-09

Family

ID=36096942

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0504090-6A BRPI0504090A (pt) 2004-09-24 2005-09-22 cilindro de lavadora a vácuo

Country Status (3)

Country Link
US (2) US7347916B2 (pt)
BR (1) BRPI0504090A (pt)
CA (1) CA2518341A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7780815B2 (en) * 2006-10-13 2010-08-24 Andritz Inc. Gas free valve for pulp vacuum washer and method
US8281936B2 (en) * 2006-12-28 2012-10-09 Andritz Inc. Vacuum washer drum having a center and end drains and method for draining
US7976682B2 (en) * 2008-09-23 2011-07-12 Andritz Inc. Hinged screen plate for drum pulp washer and method for cleaning the plate
SE533871C2 (sv) * 2009-05-29 2011-02-15 Metso Paper Inc Anordning för att förhindra återvätning av massan i en apparat för tvättning och/eller avvattning av massa
US8828189B2 (en) * 2012-01-30 2014-09-09 Andritz Inc. Washer press with multiple nips and multiple displacement wash zones
BR122021018088B1 (pt) * 2012-10-01 2022-03-08 Andritz Inc Filtro a vácuo de lavadora de tambor rotativo
US20190388809A1 (en) * 2018-06-20 2019-12-26 Andritz Inc. Drum washer with gravity assist drainage
SE542326C2 (en) * 2018-06-21 2020-04-14 Valmet Oy Vacuum filter
CN109078840A (zh) * 2018-08-17 2018-12-25 安徽新网讯科技发展有限公司 一种物料筛分装置及其操作方法
DE102018007294A1 (de) * 2018-09-14 2020-03-19 Guntram Krettek Verfahren zum Fixieren eines Bleches und damit hergestellte Filtereinrichtung
US11633681B2 (en) 2019-02-05 2023-04-25 Andritz Inc. Replaceable filter plate assembly for a rotary drum filter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225935A (en) * 1963-01-10 1965-12-28 Us Rubber Co Drainage bed
US3363774A (en) * 1965-04-12 1968-01-16 Improved Machinery Inc Rotary drum filter
US3947361A (en) * 1972-10-30 1976-03-30 Jackson Clifford E Filter
US5021126A (en) * 1989-08-15 1991-06-04 Union Camp Corporation Drum washer having liquid collecting means
US5308488A (en) * 1992-05-27 1994-05-03 Nelson Philip N Drum structure for corrugated type rotary filters
US5480545A (en) * 1994-08-03 1996-01-02 Ingersoll-Rand Company Cross braced vacuum washer

Also Published As

Publication number Publication date
US7575658B2 (en) 2009-08-18
US20080087392A1 (en) 2008-04-17
CA2518341A1 (en) 2006-03-24
US7347916B2 (en) 2008-03-25
US20060065378A1 (en) 2006-03-30

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: D06F 23/02

Ipc: D21C 9/06 (2006.01)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements