EP3359734A1 - Verfahren zur herstellung einer faserstoffbahn - Google Patents
Verfahren zur herstellung einer faserstoffbahnInfo
- Publication number
- EP3359734A1 EP3359734A1 EP16766540.5A EP16766540A EP3359734A1 EP 3359734 A1 EP3359734 A1 EP 3359734A1 EP 16766540 A EP16766540 A EP 16766540A EP 3359734 A1 EP3359734 A1 EP 3359734A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fibrous web
- felt
- yankee
- suction roll
- roll
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000002657 fibrous material Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000000725 suspension Substances 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010618 wire wrap Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/0027—Screen-cloths
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/006—Making patterned paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/14—Making cellulose wadding, filter or blotting paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/02—Head boxes of Fourdrinier machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/48—Suction apparatus
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/74—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders
- D21F1/76—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders with suction
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/74—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders
- D21F1/78—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders with pressure
-
- 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
- D21F3/0209—Wet presses with extended press nip
-
- 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
- D21F3/0272—Wet presses 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
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/08—Felts
- D21F7/083—Multi-layer felts
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
- D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/14—Making cellulose wadding, filter or blotting paper
- D21F11/145—Making cellulose wadding, filter or blotting paper including a through-drying process
Definitions
- the subject of this invention is a process for producing a fibrous web, in particular for
- inventive method can be performed.
- the production of high quality paper takes place
- Fibrous suspension is introduced at a forming roller between a felt and a sieve, the
- Suction roller is guided, which is wrapped by a permeable press belt.
- a permeable press belt Through the press belt is the
- the invention has for its object to provide a method for tissue production, can be produced in the highest possible tissue.
- the fibrous web is performed in the process together with the forming fabric and the felt immediately after the forming roll on a suction roll and further dewatered there.
- the fibrous web In the area of the suction roll, no press belt is arranged, but the fibrous web is enclosed only by the forming fabric and the felt, thereby allowing gentle dewatering.
- the felt is located between suction roll and fibrous web and the forming wire wraps around the Fibrous web outside.
- the fibrous web should preferably be flowed through by a hot fluid at the suction roll, for example, hot air at a temperature of about 150 ° C, in particular over 200 ° C, preferably above 250 ° C.
- a hot fluid at the suction roll for example, hot air at a temperature of about 150 ° C, in particular over 200 ° C, preferably above 250 ° C.
- Hot air should preferably be above 150 gH 2 0 / kgAir,
- the supplied hot air should preferably be the exhaust air of the Yankee hood.
- the felt, the fibrous web and the forming fabric in the initial region of the suction roll, ie in the region in which the fibrous web comes into contact with the suction roll, are flowed through by steam. As a result, the temperature of the fibrous web is further increased, the
- the suction roll or the suction roll hood can also be divided into several zones, for example into two zones, viewed in the machine direction.
- the fibrous web is then transported on the felt to the Yankee and there via a press or prefers a shoe press on the Yankee surface
- the entire machine then only needs two strings, the forming fabric and the felt. It is favorable if the transfer of the fibrous web to the Yankee takes place with the aid of a shoe press roll, which is wrapped by the felt more than 60 °, preferably more than 90 °, ideally more than 120 °. As a result, the currently used deflection roller can be omitted below the shoe press roll.
- Dry content after the forming unit not only 10%, but more than 20%, in particular more than 25%,
- Impingement dryer or with a radiation dryer for example infrared radiator.
- the dry content is then greater than 25%, in particular greater than 30%, preferably greater than 35%.
- the advantage is that the fibrous web reaches the press at the Yankee with a dry content of more than 30%, instead of only 20% to 23% in conventional systems. With this higher dry content are the fibers
- the felt has a fine-pored structure, wherein the average pore size of the fibrous web-facing surface of the felt is smaller than the average pore size of the suction roll pointing page.
- a fine and soft felt top to the fibrous web increases the contact surface between felt and fibrous web, whereby the Kapillarent camesstation is favored.
- a coarser felt structure to the suction roll on the other hand favors the removal of water through the
- the fineness of the finer felt surface should be less than 6.7 dtex, preferably less than 3.3 dtex, the layer directly below it should have a fineness of less than 17 dtex, preferably less than 11 dtex, whereas the opposite felt side facing the suction roll would then be much more open is to drain the water through the
- dtex values refer to the basic fiber content of the felt.
- the subject of this invention is also an apparatus for producing tissue according to claim 10.
- Forming roller is lifted from the fibrous web, is dried and then brought back in contact with the fibrous web before the suction roll.
- Crescentformer 10 is introduced via a headbox 1 in the region of the forming roller 2 between a felt 4 and a forming fabric 3.
- the felt 4 and the forming fabric 3 wrap around a part of the outer periphery of the forming roll 2, thereby the water the pulp suspension centrifuged by centrifugal forces through the forming fabric 3 to the outside.
- the felt 4 is arranged on the inside.
- the fibrous web 9 has after the forming roller 2 a dry content of
- the felt 4, the fibrous web 9 and the forming fabric 3 are guided over a suction roll 11, which is looped in regions.
- the suction roller 11 sucks through the felt 4, the moisture from the fibrous web 9, it finds a here
- Umschlingungs the suction roller 11 a steam blower box 12 is arranged, flows through the hot steam on the fibrous web 9 and this heated.
- the fibrous web 9 after the suction roll 11 has a solids content of about 25% to 30%.
- Fiber web 9 lifted. Thereafter, in the present example, an impact drying 8. Also, a drying by means of radiation (eg infrared radiation) would be conceivable.
- the impingement dryer 8 is on the side of the
- Fiber web 9 arranged.
- the fibrous web then has a solids content of about 30% to 35%.
- the fibrous web 9 is transferred by means of a shoe press roll 5 from the felt 4 onto a Yankee 6.
- the shoe press roll 5 is transferred by means of a shoe press roll 5 from the felt 4 onto a Yankee 6.
- Shoe press roll 5 is wrapped by felt 4 with a wrap angle ⁇ of ⁇ 175 °.
- ⁇ the wrap angle of ⁇ 175 °.
- Fibrous ahn 9 dried in a known manner with over the Yankee hood 7 supplied hot air and scraped at the end.
- the dry content of the fibrous web 9 when transferring to the Yankee 6 is approximately 50%.
Landscapes
- Paper (AREA)
- Sanitary Thin Papers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50853/2015A AT517330B1 (de) | 2015-10-06 | 2015-10-06 | Verfahren zur herstellung einer faserstoffbahn |
PCT/EP2016/071818 WO2017060053A1 (de) | 2015-10-06 | 2016-09-15 | Verfahren zur herstellung einer faserstoffbahn |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3359734A1 true EP3359734A1 (de) | 2018-08-15 |
EP3359734B1 EP3359734B1 (de) | 2019-05-08 |
Family
ID=56940045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16766540.5A Active EP3359734B1 (de) | 2015-10-06 | 2016-09-15 | Verfahren und vorrichtung zur herstellung einer faserstoffbahn |
Country Status (6)
Country | Link |
---|---|
US (1) | US10808360B2 (de) |
EP (1) | EP3359734B1 (de) |
CN (1) | CN106968120B (de) |
AT (1) | AT517330B1 (de) |
ES (1) | ES2740877T3 (de) |
WO (1) | WO2017060053A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018123389A1 (de) * | 2018-09-24 | 2020-02-13 | Voith Patent Gmbh | Maschine und Verfahren zur Herstellung einer Faserstoffbahn |
CN109267414B (zh) * | 2018-10-30 | 2023-09-22 | 华南理工大学 | 一种圆网成型装置及方法 |
US12060681B2 (en) * | 2019-05-03 | 2024-08-13 | Voith Patent Gmbh | Seamed felt and use of the seamed felt in a tissue machine |
DE102019123811A1 (de) * | 2019-09-05 | 2021-03-11 | Voith Patent Gmbh | Verfahren und Vorrichtung zur Herstellung einer Faserstoffbahn |
SE544018C2 (en) * | 2020-01-09 | 2021-11-02 | Valmet Oy | A tissue paper making machine |
AT522459B1 (de) | 2020-01-30 | 2020-11-15 | Andritz Ag Maschf | Vorrichtung und verfahren zum herstellen einer faserstoffbahn |
WO2022122576A1 (de) * | 2020-12-07 | 2022-06-16 | Voith Patent Gmbh | Vorrichtung und verfahren zur herstellung eine faserstoffbahn |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3224928A (en) * | 1961-12-21 | 1965-12-21 | Kimberly Clark Co | Papermaking machine using a moving felt through a pressure forming slice and the same felt throughout the machine |
FI74060C (fi) * | 1975-09-17 | 1987-12-10 | Valmet Oy | Tissuepappersmaskin. |
DE19912226A1 (de) * | 1999-03-18 | 2000-09-28 | Sca Hygiene Prod Gmbh | Verfahren und Vorrichtung zum Herstellen von Tissue-Papier sowie das damit erhältliche Tissue-Papier |
US6231723B1 (en) * | 1999-06-02 | 2001-05-15 | Beloit Technologies, Inc | Papermaking machine for forming tissue employing an air press |
WO2001000925A1 (en) * | 1999-06-29 | 2001-01-04 | Valmet-Karlstad Ab | Apparatus and method for making textured tissue paper |
DE10003684A1 (de) * | 2000-01-28 | 2001-08-02 | Voith Paper Patent Gmbh | Maschine sowie Verfahren zur Herstellung einer Tissuebahn |
EP1294982B1 (de) * | 2000-06-30 | 2007-10-03 | Kimberly-Clark Worldwide, Inc. | Verfahren zur herstellung von tissuepapier |
DE10130038A1 (de) * | 2001-06-21 | 2003-01-02 | Voith Paper Patent Gmbh | Verfahren und Maschine zur Herstellung einer Faserstoffbahn |
US7351307B2 (en) * | 2004-01-30 | 2008-04-01 | Voith Paper Patent Gmbh | Method of dewatering a fibrous web with a press belt |
US7527709B2 (en) | 2006-03-14 | 2009-05-05 | Voith Paper Patent Gmbh | High tension permeable belt for an ATMOS system and press section of paper machine using the permeable belt |
ITFI20070256A1 (it) | 2007-11-12 | 2009-05-13 | Costanza Panigada | Processo per la produzione di carta tissue in continuo e dispositivo utilizzato in detto processo. |
DE102011007568A1 (de) | 2011-04-18 | 2012-10-18 | Voith Patent Gmbh | Vorrichtung und Verfahren zur Herstellung einer Materialbahn |
AT517329B1 (de) * | 2015-10-05 | 2017-01-15 | Andritz Ag Maschf | Verfahren zur herstellung einer faserstoffbahn |
-
2015
- 2015-10-06 AT ATA50853/2015A patent/AT517330B1/de active
-
2016
- 2016-09-15 EP EP16766540.5A patent/EP3359734B1/de active Active
- 2016-09-15 US US15/764,593 patent/US10808360B2/en active Active
- 2016-09-15 WO PCT/EP2016/071818 patent/WO2017060053A1/de active Application Filing
- 2016-09-15 ES ES16766540T patent/ES2740877T3/es active Active
- 2016-09-27 CN CN201610855647.1A patent/CN106968120B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP3359734B1 (de) | 2019-05-08 |
ES2740877T3 (es) | 2020-02-06 |
AT517330A4 (de) | 2017-01-15 |
US20190360155A1 (en) | 2019-11-28 |
US10808360B2 (en) | 2020-10-20 |
AT517330B1 (de) | 2017-01-15 |
WO2017060053A1 (de) | 2017-04-13 |
CN106968120A (zh) | 2017-07-21 |
CN106968120B (zh) | 2020-05-19 |
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