BR9714037A - Cylinder and dryer group for paper machine - Google Patents

Cylinder and dryer group for paper machine

Info

Publication number
BR9714037A
BR9714037A BR9714037-6A BR9714037A BR9714037A BR 9714037 A BR9714037 A BR 9714037A BR 9714037 A BR9714037 A BR 9714037A BR 9714037 A BR9714037 A BR 9714037A
Authority
BR
Brazil
Prior art keywords
cylinder
surface construction
dryer group
paper machine
air flow
Prior art date
Application number
BR9714037-6A
Other languages
Portuguese (pt)
Inventor
Pekka Saarikivi
Raimo Virta
Original Assignee
Valmet Corp
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 Valmet Corp filed Critical Valmet Corp
Publication of BR9714037A publication Critical patent/BR9714037A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders
    • D21F5/042—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/10—Suction rolls, e.g. couch rolls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Paper (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

"CILINDRO E GRUPO SECADOR PARA MáQUINA DE PAPEL". Cilindro para máquina de papel, cujo cilindro (10) compreende um eixo (11), sobre cujo suprote o cilindro (10) está adequado para girar, e uma construção superficial (13), que está conectada ao eixo por meio de peças suporte (14). A abertura da construção superficial (13) do cilindro (10) é preferivelmente maior que 20%, tal que, quando o cilindro (10) gira, um efeito é produzido tal que suga ar para dentro do cilindro (10), pelo do que um fluxo de ar através do cilindro (10) surge. Também, a invenção se refere a um grupo secador, o qual compreende dois cilindros de secagem de contato e pelo menos um cilindro inversor (10) e em cujo grupo secador uma extração de fio simples é aplicada. Pelo menos um dos rolos inversores (10) no grupo secador é um cilindro aberto (10), cuja construção superficial (13) tem uma abertura, preferivelmente maior que 20%, tal que o fluxo de ar viajando junto com o fio passe através da construção superficial aberta (13) para dentro do interior do cilindro (10) e seja descartado adicionalmente para fora junto com o fio como um fluxo de ar através da construção superficial aberta (13) do cilindro (10)."CYLINDER AND DRYER GROUP FOR PAPER MACHINE". Cylinder for paper machine, whose cylinder (10) comprises an axis (11), on which the cylinder (10) is suitable to rotate, and a surface construction (13), which is connected to the axis by means of support pieces ( 14). The opening of the surface construction (13) of the cylinder (10) is preferably greater than 20%, such that when the cylinder (10) rotates, an effect is produced such that it sucks air into the cylinder (10), whereby an air flow through the cylinder (10) appears. Also, the invention relates to a dryer group, which comprises two contact drying cylinders and at least one inverter cylinder (10) and in which dryer a single wire extraction is applied. At least one of the inverter rollers (10) in the dryer group is an open cylinder (10), whose surface construction (13) has an opening, preferably greater than 20%, such that the air flow traveling along with the wire passes through the open surface construction (13) into the interior of the cylinder (10) and is further discarded out along with the wire as an air flow through the open surface construction (13) of the cylinder (10).

BR9714037-6A 1996-12-16 1997-12-10 Cylinder and dryer group for paper machine BR9714037A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI965026A FI105573B (en) 1996-12-16 1996-12-16 Paper machine, in particular paper dryer roll and paper machine dryer group
PCT/FI1997/000771 WO1998027274A1 (en) 1996-12-16 1997-12-10 Roll for a paper machine, in particular for a paper drying device, and dryer group for a paper machine

Publications (1)

Publication Number Publication Date
BR9714037A true BR9714037A (en) 2000-05-09

Family

ID=8547274

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9714037-6A BR9714037A (en) 1996-12-16 1997-12-10 Cylinder and dryer group for paper machine

Country Status (7)

Country Link
AT (1) AT409871B (en)
AU (1) AU5223798A (en)
BR (1) BR9714037A (en)
CA (1) CA2275324C (en)
DE (2) DE19782184B4 (en)
FI (1) FI105573B (en)
WO (1) WO1998027274A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8434761B2 (en) 2011-02-04 2013-05-07 Xerox Corporation Alternating grooved beltless vacuum transport roll

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283415A (en) * 1964-04-14 1966-11-08 Auxilius P Schnyder Paper drying apparatus
US3259961A (en) * 1964-12-21 1966-07-12 Metal Tech Inc Cylindrical honeycomb roll
US3589033A (en) * 1969-02-26 1971-06-29 Metal Tech Inc Honeycomb roll assembly for treating paper with felts
US3773614A (en) * 1971-11-05 1973-11-20 Improved Machinery Inc Drum comprising support mounted grid structure
US3957087A (en) * 1974-07-03 1976-05-18 Johnston Henry M Pin and truss cylinder construction
FI54627C (en) * 1977-04-04 1979-01-10 Valmet Oy FOERFARANDE OCH ANORDNING I TORKPARTIET I EN PAPPERSMASKIN
FI59637C (en) * 1979-11-20 1981-09-10 Valmet Oy ANORDNING I TORKPARTIET AV EN PAPPERSMASKIN
FI80491C (en) * 1987-09-02 1990-06-11 Valmet Paper Machinery Inc FOERFARANDE OCH TORKNINGSGRUPP I MAONGCYLINDERTORKEN AV EN PAPPERSMASKIN.
FI83680C (en) * 1988-03-09 1991-08-12 Valmet Paper Machinery Inc FOERFARANDE OCH ANORDNING VID DRAGNINGEN AV BANAN I EN PAPPERSMASKIN SAMT CYLINDER FOER ANVAENDNING VID DRAGNINGEN AV BANAN.
US4974340A (en) * 1989-10-31 1990-12-04 Beloit Corporation Vacuum guide roll apparatus
FI92420C (en) * 1992-04-10 1994-11-10 Valmet Paper Machinery Inc Stabilizer for a paper web in a cylinder group contained in the drying portion of a paper machine
FI93876C (en) * 1994-03-25 1995-06-12 Valmet Paper Machinery Inc Drying section in paper machine, where there are cylinder groups with simple twisting

Also Published As

Publication number Publication date
WO1998027274A1 (en) 1998-06-25
CA2275324C (en) 2007-04-10
FI965026A0 (en) 1996-12-16
ATA914097A (en) 2002-04-15
FI105573B (en) 2000-09-15
CA2275324A1 (en) 1998-06-25
DE19782184T1 (en) 1999-11-25
DE19782184B4 (en) 2007-04-19
AT409871B (en) 2002-12-27
AU5223798A (en) 1998-07-15
FI965026A (en) 1998-06-17

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/12/1997, OBSERVADAS AS CONDICOES LEGAIS.

B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 12A , 13A E 14A ANUIDADES.

B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 12A,13A E 14A ANUIDADE(S).

B24E Patent annual fee: resolution cancelled

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 2153 DE 10/04/2012.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: MANUTENCAO DA EXTINCAO - ART. 78 INCISO IV DA LPI