CN204238070U - The layout of fibrous-web manufacturing line - Google Patents

The layout of fibrous-web manufacturing line Download PDF

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Publication number
CN204238070U
CN204238070U CN201420546976.4U CN201420546976U CN204238070U CN 204238070 U CN204238070 U CN 204238070U CN 201420546976 U CN201420546976 U CN 201420546976U CN 204238070 U CN204238070 U CN 204238070U
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CN
China
Prior art keywords
nozzle
layout
fibrous
web
manufacturing line
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Active
Application number
CN201420546976.4U
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Chinese (zh)
Inventor
托皮·廷屈宁
T·皮特坎尼米
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Valmet Technologies Oy
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Valmet Technologies Oy
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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22Addition to the formed paper
    • D21H23/50Spraying or projecting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0207Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe

Abstract

The utility model relates to a kind of layout of fibrous-web manufacturing line, particularly relate to a kind of coating part of fibrous-web manufacturing line or the layout in applying glue portion, in described coating part or applying glue portion, treated substance, especially coated media or applying glue medium are applied on described fiber web by injection, described layout comprises: multiple nozzle (20A, 20B), horizontal, that namely width the extends nozzle that described nozzle is arranged in along described fiber web arranges (21), for described treated substance is ejected into described fiber web.Described layout comprises at least two distributing pipes (10A, 10B) for treated substance being fed to the described nozzle (20A, 20B) in described nozzle row (21), and described at least two distributing pipes are connected to described nozzle (20A, 20B).

Description

The layout of fibrous-web manufacturing line
Technical field
The utility model relates to a kind of layout of fibrous-web manufacturing line.The utility model particularly relates to the coating part of fibrous-web manufacturing line or the layout in applying glue portion, and in this coating part or applying glue portion, coated media or applying glue medium are applied on fiber web by injection apparatus.
Background technology
As known from the prior art, the assembly be made up of the device that in production line, some are arranged continuously is typically comprised in fiber web production process.Typical production process line comprises head box, wet end and press section and drying section afterwards and reel machine.This production process line also can comprise other equipment for finishing fiber web material and part, such as, and sizing applicator, calender, coating part.This production process line typically also comprises reel machine and at least one is for being rolled into the rewinding machine of client's volume, and at least one coil packing device.In this description and following claims, the meaning of fiber web is such as paper web and board web.
In the production of fiber web (such as paper web or board web), applying glue is used to the sizing agent (applying glue medium) by adding such as glue chemicals and changes the attribute of fiber web.Applying glue can be divided into internal sizing and top sizing.In internal sizing, sizing agent was added to the paper pulp in the green end of fiber web machine before (fiber web) is formed.In top sizing, sizing agent is added on the surface of the fiber web at the dry end place of fiber web machine.
In the production of fiber web (such as paper web or board web), coating, the especially surface of coated fiber web make the surface of fiber web be formed with one deck coating pigment (coated media) at coating station before the drying.Directly apply and form coating and can be divided into and coating pigment is fed to (this is called as coating coating pigment) on its surface and regulates the final quantity of coating pigment.In indirectly applying, just controlling the adjustment of amount of pigment when supplying pigment, therefore not needed additional adjustment.
The coating of fiber web or applying glue typically utilize coating apparatus-coating machine, or sizing equipment-sizing applicator carries out, and this coating machine/sizing applicator such as forms the coating part/applying glue portion of fibrous-web manufacturing line together with the drying equipment after coating machine/sizing applicator.In the layout of prior art, the multiple different paint-on technique applying coated media or applying glue medium on fiber web is associatedly used, such as curtain technology or doctor blading techniques or bar paint-on technique or air-brush paint-on technique or spraying technology from coating machine and sizing applicator.The utility model relates to spraying technology.
A kind of method for converted paper web or board web or similar fiber web and layout is disclosed in WO 2006/058961A1 announces.In the method for the prior art, process mixture is applied on the surface of web by injection nozzle.A kind of paper web of web treated substance process movement or the assembly of board web is disclosed in WO 02/072953 announces, this assembly comprises the web that is located close to movement and towards the coating room of web, and comprises at least one linear nozzle array for web treated substance being ejected at least one nozzle in web.Be disclose a kind of equipment for the treatment of fiber web in the utility model of FI 9401 in registration number, it comprises the coating equipment for being coated in by treated substance on the fiber web of movement, especially spraying equipment.
Coater unit and applying glue unit can be arranged in the diverse location of fibrous-web manufacturing line, such as wet end, or press section, or are comprising the drying section of drying cylinder.But when web humidity is typically between 2-12%, typical position is after pre-dryer section (pre-dryer section).Be attached to distributing pipe from the one or more nozzle units spraying coating or applying glue unit known in the state of the art, above-mentioned distributing pipe extends transversely and treated substance is transported to nozzle on the width of fiber web.Figure 1 illustrates lateral projection's view of a schematic example of the layout of the prior art for treated substance being coated in the spraying equipment on the fiber web W of movement.The distributing pipe 10 that the width of fiber web W extends transversely is included according to the spraying equipment of prior art.Distributing pipe 10 comprises some nozzles 20 that being transversely spaced at a certain distance turns up the soil is arranged in a row, and these nozzles 20 lining up a nozzle row 21 are typically supported by the support component 15 extended transversely.Treated substance from distributing pipe 10 via passage 11 be supplied to nozzle row 21 all nozzles 20.In the layout of the prior art, do not change nozzle or do not use some continuous print nozzles of the direct of travel along web to arrange, the coated weight to be injected into the treated substance on fiber web W via nozzle just can not have large change.The exemplary traffic window of the nozzle under pressure limit 3-12bar is setting value ± 30%.For not containing wooden copy paper or speciality paper, typical resin added is 0.5-1.5g/ ㎡ when drying, and for different board grades, typical resin added is 1-3g/ ㎡ when drying.The following situation that is arranged in of prior art also has problems, when using different material compositions at the same time with formation processing material, because many kinds of substance, such as phobic chemicals or pigment may react each other or react with the impurity returning stream, therefore such as can block in nozzle.
Utility model content
The purpose of this utility model is a kind of a kind of method providing layout of fibrous-web manufacturing line and fibrous-web manufacturing line, and the shortcoming of the known layout and method that wherein relate to the change of the coated weight of treated substance is eliminated or at least minimizes.
The purpose of this utility model is a kind of a kind of method providing layout of fibrous-web manufacturing line and fibrous-web manufacturing line, and wherein treated substance composition reacts and the problem producing blocking is eliminated or at least minimizes each other.
Other objects of the present utility model are to provide a kind of layout of fibrous-web manufacturing line and the method for fibrous-web manufacturing line, and wherein the regulating quantity of treated substance and material composition select to have new possibility.
In order to realize above object, the utility model provides a kind of coating part of fibrous-web manufacturing line or the layout in applying glue portion, in described coating part or applying glue portion, treated substance, especially coated media or applying glue medium, be applied on fiber web by spraying, described layout comprises: multiple nozzle, described nozzle is positioned at the transverse direction along described fiber web, namely in the nozzle row that width extends, for described treated substance is ejected into described fiber web, it is characterized in that, described layout comprises at least two distributing pipes for treated substance being fed to the nozzle in described nozzle row, described at least two distributing pipes are connected to described nozzle.
According to preferred version of the present utility model, a kind of coating part of fibrous-web manufacturing line or the layout in applying glue portion are provided, in coating part or applying glue portion, treated substance, especially coated media or applying glue medium are applied on fiber web by injection, this layout comprises: multiple nozzle, and horizontal, that namely width the extends nozzle that these nozzles are arranged in along fiber web is arranged, for treated substance is ejected into fiber web; And at least two distributing pipes, be connected to nozzle, for treated substance being fed to the nozzle in a nozzle row.
Nozzle in a nozzle row does not need to be in a straight line, and multiple nozzle, the center line in particular for the nozzle of different distributing pipes can offset +/-20mm in nozzle row, is advantageously +/-10mm.The coverage of the expectation of the treated substance on the distribution of nozzle and fiber web is depended in this skew.
Advantageously, this layout comprises at least two distributing pipes, and each distributing pipe is connected to the nozzle replaced of a nozzle row.
Advantageously, this layout comprises two distributing pipes, and each distributing pipe is connected to the nozzle replaced of a nozzle row.
Advantageously, this layout comprises and optionally supplying from distributing pipe, such as only from the control device of the treated substance of a distributing pipe.Control device is such as set to the valve before the entrance of each distributing pipe.Treated substance is via an access road by a machine cycles supply, and just before the entrance of distributing pipe, access road is divided into multiple passages with valve of each entrance leading to distributing pipe.Such as, at treated substance in this stage unmixed situation, each distributing pipe also can have its machine cycles, and therefore each distributing pipe has access road, pump and the selector valve of oneself.In this arrangement, entrance by pump or selector valve control.
The size of distributing pipe can be identical or different.The wet process amount of substance of the nozzle application of distributing pipe is provided to change to 50g/ ㎡ from 5g/ ㎡, and depend on that the speed of the fiber web of production line changes to 2000m/min from 300m/min, and the width of fiber web changes to 10m from 3m, therefore the main entrance amount of the handled thing quality of each distributing pipe changes to 1100kg/min from 10kg/min.The desired flow rate of the porch of distributing pipe changes to 10m/s from 2m/s, if therefore only use a distributing pipe, then the internal diameter of the needs of a distributing pipe is from 10mm to 80mm, therefore according to favourable feature, consider that the diameter of distributing pipe is according to can be different from each other in layout of the present utility model, the internal diameter of each distributing pipe is 8mm to 56mm.
The entrance of each distributing pipe can from the same side of distributing pipe or different end.The outlet of each distributing pipe can from the same side of distributing pipe or different end.When the entrance of distributing pipe is in the difference end of distributing pipe and outlet is also in the difference end of distributing pipe accordingly, by distributing pipe multiple ends between the tilt distribution of the ejecta quality of a distributing pipe that causes of the pressure loss can be easily corrected.
According to a favourable feature, the outlet flow from a distributing pipe can be directed into another distributing pipe, and fresh treated substance then flows to a distributing pipe.
According to favourable scheme of the present utility model, a kind of coating part of fibrous-web manufacturing line or the method in applying glue portion are provided, in the method, treated substance, especially coated media or applying glue medium, sprayed by nozzle and be applied on fiber web, horizontal, that namely width the extends nozzle that said nozzle is arranged in along fiber web is arranged, for treated substance is ejected into fiber web, in the method, treated substance is fed to nozzle by least two distributing pipes.
Advantageously, in the method, treated substance is alternately fed to the nozzle in a nozzle row by least two distributing pipes.
Advantageously, in the method, treated substance is alternately fed to the nozzle in a nozzle row by two distributing pipes.
According to favourable feature of the present utility model, different treated substances or the heterogeneity of treated substance can via different distributing pipe supplies.Thus, can nozzle be used in before can cause the material that blocks when reacting each other.In addition, bi-component substances can by supplying a kind of composition by a distributing pipe and supplying a kind of composition by another distributing pipe and use.Different materials or the heterogeneity of material can be such as the combinations of following material: pigment material-hydrophobic substance, a kind of pigment material-another kind of pigment material, the material with different viscosities and solid content, water-chemical substance, etc.
By the utility model, the amount of treated substance can not needed by controlling to change nozzle.And when there is less desirable blocking in a distributing pipe, another distributing pipe can be used.
Accompanying drawing explanation
Below, explain the utility model in more detail with reference to the accompanying drawings, in the accompanying drawings:
Fig. 1 shows lateral projection's view of a schematic example of prior art;
Fig. 2-Fig. 3 schematically shows lateral projection's view of a preferred exemplary of the present utility model;
Fig. 4 schematically shows longitudinal view of a preferred exemplary of the present utility model of the width along fiber web;
Fig. 5 A-Fig. 5 C very schematically illustrates the example of a nozzle row.
Wherein, description of reference numerals is as follows:
10,10A, 10B distributing pipe
11,11A, 11B lead to the passage of nozzle from distributing pipe
The entrance of 12A, 12B distributing pipe
The outlet of 13A, 13B distributing pipe
15 support components
20,20A, 20B nozzle
21 nozzle rows
W web
O offsets
Detailed description of the invention
In the accompanying drawings, except as otherwise noted, the element of the correspondence of this layout, parts and parts are referred to by the same reference numerals in accompanying drawing.
Figure 1 illustrates lateral projection's view of a schematic example of the layout of the prior art for treated substance being coated in the spraying equipment on the fiber web W of movement.The distributing pipe 10 that the width of fiber web W extends transversely is included according to the spraying equipment of prior art.Distributing pipe 10 comprises some nozzles 20 that being transversely spaced at a certain distance turns up the soil is arranged in a row, and these nozzles 20 lining up a nozzle row 21 are typically supported by the support component 15 extended transversely.Treated substance from distributing pipe 10 via passage 11 be supplied to nozzle row 21 all nozzles 20.
Illustrate in Fig. 2-Fig. 3 according to the lateral projection's view for a preferred exemplary of the layout of the spraying equipment of coating processing material on the fiber web W of movement of the present utility model.This spraying equipment is included in two distributing pipes 10A, 10B that the width of fiber web W extends transversely.Spraying equipment also comprises that being transversely spaced at a certain distance turns up the soil lines up some nozzle 20A, 20B of a nozzle row 21, and these nozzles 20A, 20B of lining up a nozzle row 21 are supported by the support component 15 extended transversely.These two distributing pipes 10A, 10B are alternately connected to nozzle 20A, 20B, for treated substance being fed to nozzle 20A, the 20B in a nozzle row.Each distributing pipe 10A, 10B are connected to nozzle 20A, 20B of replacing of a nozzle row 21.As shown in Figure 2, treated substance is directed into nozzle 20A from distributing pipe 10A via passage 11A.Each nozzle 20A has its passage 11A.As shown in Figure 3, treated substance is directed into nozzle 20B from distributing pipe 10B via passage 11B.Each nozzle 20B has its passage 11B.
As shown in Figure 4, wherein entrance and exit is illustrated by arrow, and entrance 12A, 12B of each distributing pipe 10A, 10B are set to the same side from distributing pipe 10A, 10B in this example.Correspondingly, in this example, outlet 13A, 13B as each distributing pipe 10A, 10B of arrow instruction are set to the same side from distributing pipe 10A, 10B.Entrance 12A, 12B of distributing pipe 10A, 10B and outlet 13A, 13B of correspondence also can as the dotted line arrows at the difference ends of distributing pipe 10A, 10B.Accordingly from the treated substance of distributing pipe 10A, 10B via passage 11A, 11B by nozzle 20A, 20B of being supplied to accordingly alternately, and then be injected into through fiber web on.
In the figures 5a-5c very schematically, the example of a nozzle row 21 is shown to not to scale (NTS).Nozzle 20A, 20B of being arranged in a nozzle row are drawn together in nozzle package.The position of nozzle can offset O+/-20mm, advantageously +/-10mm.Skew O depends on the distribution of nozzle 20A, 20B, i.e. the coverage of the expectation of the lateral separation between multiple nozzle and the treated substance on fiber web.The coverage of the treated substance that nozzle sprays 300mm typically on fiber web, and the distance between two nozzles adjacent one another are be advantageously 50mm (namely, nozzle distributes with 50mm) time, and when nozzle is advantageously 7 °-15 ° relative to the plane perpendicular to fiber web surface, and be positioned at about 4-14mm above nozzle centerline at the fan of adjacent nozzle place formation processing surge, the sixfold realizing treated substance on fiber web W covers, but treated substance sprays not by adjacent nozzle 20A, the interference of the treated substance injection of 20B.The center line of adjacent nozzle 20A, 20B can be positioned at and differ 0 to 10mm with the center line of adjacent nozzle 20B, 20A.When being distributed as 50mm, nozzle 20A, 20B, in particular for nozzle 20A, 20B of different distributing pipe 10A, 10B, therefore, it is possible to offset O+/-10mm in nozzle row 21, and when being distributed as 100mm, skew O+/-20mm, as shown in Fig. 5 A and Fig. 5 C.In the example of Fig. 5 B, the center line of all nozzle 20A, 20B is in a nozzle row 21 in same straight line.

Claims (10)

1. the layout of a fibrous-web manufacturing line, in the coating part or applying glue portion of described fibrous-web manufacturing line, treated substance is applied on fiber web by injection, described layout comprises: multiple nozzle (20A, 20B), described nozzle is positioned at the transverse direction along described fiber web, namely in nozzle row (21) that width extends, for described treated substance is ejected into described fiber web, it is characterized in that, described layout comprises the described nozzle (20A for being fed to by treated substance in described nozzle row (21), 20B), be connected to described nozzle (20A, at least two distributing pipe (10A 20B), 10B).
2. the layout of fibrous-web manufacturing line according to claim 1, is characterized in that, described treated substance is coated media or applying glue medium.
3. the layout of fibrous-web manufacturing line according to claim 1, is characterized in that, the deviation (O) that the center line of described nozzle (20A, 20B) is arranged in (21) at described nozzle is +/-20mm.
4. the layout of fibrous-web manufacturing line according to claim 3, it is characterized in that, the deviation (O) that the center line for the nozzle (20A, 20B) of different distributing pipes (10A, 10B) is arranged in (21) at described nozzle is +/-20mm.
5. the layout of fibrous-web manufacturing line according to claim 3, is characterized in that, described deviation (O) is +/-10mm.
6. the layout of the fibrous-web manufacturing line according to any one of claim 1 to 5, it is characterized in that, described layout comprises at least two distributing pipes (10A, 10B), and each distributing pipe is connected to the nozzle (20A, 20B) replaced of described nozzle row (21).
7. the layout of the fibrous-web manufacturing line according to any one of claim 1 to 5, it is characterized in that, described layout comprises two distributing pipes (10A, 10B), and each distributing pipe is connected to the nozzle (20A, 20B) replaced of described nozzle row (21).
8. the layout of the fibrous-web manufacturing line according to any one of claim 1 to 5, is characterized in that, described layout comprises the control device of the treated substance optionally supplied from described distributing pipe (10A, 10B).
9. the layout of fibrous-web manufacturing line according to claim 6, is characterized in that, described layout comprises the control device of the treated substance optionally supplied from described distributing pipe (10A, 10B).
10. the layout of the fibrous-web manufacturing line according to any one of claim 1 to 5, is characterized in that, each distributing pipe (10A; Internal diameter 10B) is 8mm to 56mm.
CN201420546976.4U 2013-10-08 2014-09-23 The layout of fibrous-web manufacturing line Active CN204238070U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13187694.8A EP2860312B1 (en) 2013-10-08 2013-10-08 Arrangement of a fiber web production line and method of a fiber web production line
EP13187694.8 2013-10-08

Publications (1)

Publication Number Publication Date
CN204238070U true CN204238070U (en) 2015-04-01

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CN201420546976.4U Active CN204238070U (en) 2013-10-08 2014-09-23 The layout of fibrous-web manufacturing line

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CN (1) CN204238070U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111344457A (en) * 2017-12-28 2020-06-26 科亚列士信荣株式会社 Method for producing deodorizing paper
CN113668288A (en) * 2020-05-15 2021-11-19 维美德技术有限公司 Method and system for applying a substance layer to a moving fibrous web by foam application

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Publication number Priority date Publication date Assignee Title
US2118212A (en) * 1933-04-24 1938-05-24 James D Maclaurin Process and apparatus for coating paper
FI108061B (en) * 1995-10-05 2001-11-15 Metso Paper Inc Method for coating a paper or cardboard web
US6755913B1 (en) * 1999-02-15 2004-06-29 Nordson Corporation Multi-color change device with conductive coating material for electrostatic coating
FI115314B (en) 2001-03-13 2005-04-15 Metso Paper Inc Arrangement for handling paper or cardboard
US20030129303A1 (en) * 2002-01-08 2003-07-10 Borwig Michael C. Apparatus and method for applying glue
FI115408B (en) * 2002-01-31 2005-04-29 Ciba Sc Holding Ag Method for Coating Paper or Cardboard, Use of the Method and Coating Paste
US7217342B2 (en) * 2002-11-25 2007-05-15 Kangas Martti Y O Apparatus for paper making and paper surface enhancement
US7837131B2 (en) * 2003-03-27 2010-11-23 Spraying Systems Co. Modular automatic spray gun manifold
FI121084B (en) 2004-12-01 2010-06-30 Metso Paper Inc Method and arrangement for treating a fiber web
JP5787700B2 (en) * 2011-09-30 2015-09-30 ユニ・チャーム株式会社 Nonwoven manufacturing method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111344457A (en) * 2017-12-28 2020-06-26 科亚列士信荣株式会社 Method for producing deodorizing paper
CN111344457B (en) * 2017-12-28 2021-03-12 科亚列士信荣株式会社 Method for producing deodorizing paper
CN113668288A (en) * 2020-05-15 2021-11-19 维美德技术有限公司 Method and system for applying a substance layer to a moving fibrous web by foam application

Also Published As

Publication number Publication date
EP2860312B1 (en) 2019-05-22
EP2860312A1 (en) 2015-04-15

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