CN1993521A - Method and device for applying a coating medium in a machine used for producing a fiber web - Google Patents

Method and device for applying a coating medium in a machine used for producing a fiber web Download PDF

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Publication number
CN1993521A
CN1993521A CNA2005800256125A CN200580025612A CN1993521A CN 1993521 A CN1993521 A CN 1993521A CN A2005800256125 A CNA2005800256125 A CN A2005800256125A CN 200580025612 A CN200580025612 A CN 200580025612A CN 1993521 A CN1993521 A CN 1993521A
Authority
CN
China
Prior art keywords
coating
press
pressure roller
fibrous cloth
cloth width
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.)
Pending
Application number
CNA2005800256125A
Other languages
Chinese (zh)
Inventor
威廉·甘斯伯格
马丁·沃格特
乔格·巴科夫斯基
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
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 Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of CN1993521A publication Critical patent/CN1993521A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/24—Addition to the formed paper during paper manufacture
    • D21H23/26—Addition to the formed paper during paper manufacture by selecting point of addition or moisture content of the paper
    • D21H23/28—Addition before the dryer section, e.g. at the wet end or press section
    • 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
    • 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
    • D21F3/04—Arrangements thereof
    • D21F3/045—Arrangements thereof including at least one extended press nip
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/009—Apparatus for glaze-coating paper webs
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • D21H23/58—Details thereof, e.g. surface characteristics, peripheral speed
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
    • D21H23/72—Plural serial stages only

Landscapes

  • Paper (AREA)
  • Coating Apparatus (AREA)

Abstract

Disclosed is a machine for producing a paper web, cardboard web, or other fiber web (1), comprising a press section (2) which is provided with at least one press nip (5) formed by two squeeze rollers (3, 4) and in which a device (6, 7) for applying a medium, particularly starch, is disposed. The fiber web (1) can be guided through the press nip (5) along with a band (8). The inventive machine is characterized in that the device (6, 7) rests against at least one of the squeeze rollers (3, 4) for indirectly applying the medium to the fiber web (1).

Description

The coating method and the equipment of a kind of medium of coating in the machine of making fibrous cloth width
The present invention relates to a kind of machine of making paper, paperboard or other fibrous cloth widths, comprise press section with at least one press. nips that constitutes by two pressure roller, in press section, be provided with one and be used to apply the especially equipment of starch slurry of a kind of medium, wherein, fibrous cloth width can be guided by press. nips with band.
DE10033213A1 has introduced a kind of method and a kind of equipment, be used for liquid state to ointment shape medium, starch slurry preferably, be coated in a kind of web one or both sides that preferably constitute by paper or paperboard especially corrugated board, wherein, web at first one or both sides adds coating, just passes through press. nips then.By a kind of embodiment, starch slurry is applied on the application roll.The shortcoming of this scheme is not have the web guiding device of sealing before the coating unit.By freely drawing and because fibrous cloth width still lower intensity in press section especially when mass area ratio is low, for example is being lower than 125g/cm 2The time, the fracture of multiplication appears in process of production.In addition, exist and to be coated with dressing and to be deposited on and to be arranged in the coating device downstream and to be used for danger on the unit of contact drying.
Be used for coating ointment shape coating media on the web of operation by the known a kind of method of WO99/22067 and a kind of equipment, wherein at first constitute web in two barriers of paper machine, at least one side is coated in liquid state or ointment shape coating media on the web by applying device.Exist another applying device to be used for liquid state or ointment shape coating media are coated in web behind the pressing element in press section here.
Be used for the treatment paper or the paperboard width of cloth in press section by the known a kind of method of WO00/55423 and a kind of equipment.Web by felt during suction roll guiding, first coating device is sprayed at coating media on the web.Second coating device is sprayed at the surface of a conveyer belt with coating media, then by conveyer belt coating media is transferred to web.Before these two coating devices all are located at first press nip.
The objective of the invention is to create a kind of machine, it have one can apply a kind of coating media especially starch slurry press section and compact structure meanwhile arranged.
In the machine of the described type of preface, take following measures to reach by this purpose of the present invention:, coating device to be installed in by at least one of pressure roller in order indirectly a kind of coating media to be coated on the fibrous cloth width.
By unify the squeezing of fibrous cloth width and the coating of coating media at the three unities, created at a kind of and prior art of press section zone inner machine and compared more compact structure mode, guarantee high functional reliability thus.
Especially a design of the present invention is favourable, be designed in the equipment of coating at least one by this and be installed in by the outer surface of one of them pressure roller, and the coating that applies on the outer surface can be transferred on the fibrous cloth width in press. nips.It especially also can be boots shape pressure roller that coating device is installed in its those other pressure roller.With the position of the boots shape pressure roller of common cylindrical press roll mating reaction or at downside or at upside.These pressure roller or be vertically aligned with each other or arrange obliquely.
Advantageously add one and be installed in pressure roller other temperature, humidity control apparatus or purifier.This purifier comprises that for example one is used for the sprinkling unit of water spray that especially combines with a kind of chemical assistant, and/or is used to remove sedimental scraper of pressure roller or brush.
Press another favourable design code of press section, at least one of the equipment that is used for applying is installed in the band side in a pressure roller outer surface region especially therein; And the coating that applies on the outer surface can be transferred on the fibrous cloth width in press. nips.
Advantageously on the band side temperature, humidity control apparatus or a purifier are installed also, it can have and be installed in the identical structure of purifier on pressure roller side.
If after press. nips,, then can reach the rapid draing of the coating media that is applied at drying device that is used for dry coating of the other installation of fibrous cloth width along the web traffic direction.
Can realize two different white water loop by the present invention.The plain boiled water of first circulation is derived from first dewatering period and in head box recirculation again not long ago.The water that comes from second white water loop is for example by the chip filter process and for example as spray water.But the water that is rich in starch from press section is not supplied with this two white water loop, but in appropriate position input starch slurry preparation process.
By another favourable design code of the present invention, establish another coating device in the drying section after being located at press section, be used to apply especially starch slurry of a kind of medium.
Describe the present invention in detail by the accompanying drawing illustrated embodiment below.Wherein:
Fig. 1 represents press section, wherein applies in the fibrous cloth width both sides before press. nips;
Fig. 2 represents the press section by Fig. 1, wherein only applies on boots shape pressure roller: and
Fig. 3 represents wherein only to apply the press section by Fig. 1 that is connected with the drying section that is located at the back on pressure roller.
, comprise in the press. nips 5 that constitutes by pressure roller 3 and boots shape pressure roller 4 by behind the wet end at fibrous cloth width 1 (Fig. 1), apply coating media in the both sides of fibrous cloth width, especially starch slurry at one.Be provided with coating device 6,7 for this reason.Coating device 6 is applied to coating media on the outer surface of pressure roller 3, and coating device 7 is coated in felt with coating media or is with on 8.Coating on 8 is preferably carried out in the outer surface region of boots shape pressure roller 4, but also can more earlier carry out.
Then, fibrous cloth width 1 is accepted coating media in both sides in press. nips 5.Then, one near the drying device 9 radiation dryer dry coating for example that is located at after the press. nips 5 fibrous cloth width 1.
In order to clean, purification or temp and humidity regulators 10,11 are installed by pressure roller 3 outer surfaces but also by being with 8 not only.Apply cleaning fluid here respectively.Cleaning fluid additionally under the help of for example mechanical cleaning device with dirt from outer surface or from being with 8 to remove.Temp and humidity regulator 11 preferably also comprises a scraper 12.
Be with 8 an other tensioning apparatus 13 and adjusters 14 additionally installed.Fibrous cloth width 1 is sucked roller 15 and is drawn on the conveyer belt 16, and further guides by the drying section that comprises drying drum 17.
By a kind of design (Fig. 2) of replacement, fibrous cloth width 1 only by coating device 7 in a side by being with 8 to apply coating.Between suction roll 15 and drying drum 17, establish another drying device 18.
By another kind of design of the present invention (Fig. 3), only on pressure roller 3, apply coating by coating device 6.In addition, expression identical in the structure of press section 2 and Fig. 1 or 2.Be connected in the drying section 19 that comprises drying drum 18 and drawing-in type slewing rollers 20 with press section 2 at one, on fibrous cloth width 1, apply a coating equally at its downside by another coating device 21.Coating device 21 comprises a flusher 22, and it at first is sprayed at medium on the outer surface of delivery roll 23; Medium is transferred on the fibrous cloth width 1 from delivery roll.
At delivery roll 23 an other temp and humidity regulator or the purifiers 24 installed.Discharge through a diversion canal 25 from the unclean cleaning fluid that delivery roll 23 flows out.

Claims (7)

1. machine of making paper, paperboard or other fibrous cloth widths (1), comprise and have at least one press section (2) by the press. nips (5) of two pressure roller (3,4) formation, in press section, be provided with and be used to apply the especially equipment of starch slurry (6,7) of a kind of medium, wherein, fibrous cloth width (1) can be with band (8) by press. nips (5) guiding, it is characterized by:, described equipment (6,7) is installed in by at least one of described pressure roller (3,4) in order to be coated in indirectly on the fibrous cloth width (1).
2. according to the described machine of claim 1, it is characterized by, at least one of the described equipment that is used for applying (6,7) is installed in by the outer surface of one of them pressure roller (3,4); And the coating that applies on the outer surface can be transferred on the fibrous cloth width (1) in press. nips (5).
3. according to the described machine of claim 2, it is characterized by, at the other temp and humidity regulator (10) of installing of pressure roller (3).
4. according to the described machine of claim 1, it is characterized by, at least one of the described equipment that is used for applying (6,7) is installed in band (8) side in pressure roller (4) outer surface region especially therein; And the coating that applies on the outer surface can be transferred on the fibrous cloth width (1) in press. nips (5).
5. according to the described machine of claim 4, it is characterized by, at the other temp and humidity regulator (11) of installing of band (8).
6. according to the described machine of one of claim 1 to 5, it is characterized by, along the web traffic direction afterwards in press. nips (5), at drying device (9,18) that is used for dry coating of the other installation of fibrous cloth width.
7. according to the described machine of one of claim 1 to 6, it is characterized by, in being located at press section (2) drying section (19) afterwards, establish another coating device (21), be used for going up especially starch slurry of a kind of medium of coating at fibrous cloth width (1).
CNA2005800256125A 2004-07-27 2005-07-25 Method and device for applying a coating medium in a machine used for producing a fiber web Pending CN1993521A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004036276.9 2004-07-27
DE102004036276A DE102004036276A1 (en) 2004-07-27 2004-07-27 Method and device for applying a coating medium in a machine for producing a fibrous web

Publications (1)

Publication Number Publication Date
CN1993521A true CN1993521A (en) 2007-07-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2005800256125A Pending CN1993521A (en) 2004-07-27 2005-07-25 Method and device for applying a coating medium in a machine used for producing a fiber web

Country Status (6)

Country Link
US (1) US20080314544A1 (en)
EP (1) EP1784538A1 (en)
JP (1) JP2008508434A (en)
CN (1) CN1993521A (en)
DE (1) DE102004036276A1 (en)
WO (1) WO2006010747A1 (en)

Cited By (4)

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WO2012113356A3 (en) * 2011-12-02 2012-11-08 牡丹江恒丰纸业股份有限公司 Manufacturing device and preparation method for cigarette paper having flame-retarding stripes
CN102828411A (en) * 2011-06-16 2012-12-19 苏州市职业大学 Anticorrosion and mildew-resistant Song brocade fabric and its manufacturing method
CN102828368A (en) * 2011-06-16 2012-12-19 苏州市职业大学 method and device for processing fabric surface functionality
CN103097608A (en) * 2010-06-01 2013-05-08 沃依特专利有限责任公司 Machine for producing a paper web, in particular a sack paper web

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DE102020125040A1 (en) 2020-09-25 2022-03-31 Voith Patent Gmbh MACHINE AND PROCESS FOR THE MANUFACTURE AND/OR TREATMENT OF A CORRUGATED BASE PAPER WEB

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CN103097608A (en) * 2010-06-01 2013-05-08 沃依特专利有限责任公司 Machine for producing a paper web, in particular a sack paper web
CN103097608B (en) * 2010-06-01 2016-05-11 沃依特专利有限责任公司 For the manufacture of paper web face, the especially machine of bag paper using breadth
CN102828411A (en) * 2011-06-16 2012-12-19 苏州市职业大学 Anticorrosion and mildew-resistant Song brocade fabric and its manufacturing method
CN102828368A (en) * 2011-06-16 2012-12-19 苏州市职业大学 method and device for processing fabric surface functionality
CN102828411B (en) * 2011-06-16 2014-04-30 苏州市职业大学 Anticorrosion and mildew-resistant Song brocade fabric and its manufacturing method
CN102828368B (en) * 2011-06-16 2014-06-11 苏州市职业大学 method and device for processing fabric surface functionality
WO2012113356A3 (en) * 2011-12-02 2012-11-08 牡丹江恒丰纸业股份有限公司 Manufacturing device and preparation method for cigarette paper having flame-retarding stripes
AU2012220111B2 (en) * 2011-12-02 2016-04-21 Mudanjiang Hengfeng Paper Co., Ltd Manufacturing device and preparation method for cigarette paper having flame-retarding stripes

Also Published As

Publication number Publication date
JP2008508434A (en) 2008-03-21
US20080314544A1 (en) 2008-12-25
WO2006010747A1 (en) 2006-02-02
DE102004036276A1 (en) 2006-02-16
EP1784538A1 (en) 2007-05-16

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