CN103835187A - Device for treating a fiber web - Google Patents
Device for treating a fiber web Download PDFInfo
- Publication number
- CN103835187A CN103835187A CN201310574251.6A CN201310574251A CN103835187A CN 103835187 A CN103835187 A CN 103835187A CN 201310574251 A CN201310574251 A CN 201310574251A CN 103835187 A CN103835187 A CN 103835187A
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- China
- Prior art keywords
- fiber web
- air
- web
- equipment
- treatment region
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- 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
- D21H23/50—Spraying or projecting
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- 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
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- 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
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
Abstract
The invention relates to a device for applying treatment substance on at least one surface of the fiber web at a treatment zone (20), which treatment device (30) for applying treatment substance on the at least one surface of the fiber web (W) is provided to apply the treatment substance directly onto the at least one surface of the fiber web (W) or the treatment substance is provided to be applied by the treatment device (30) onto the at least one surface of the fiber web (W) via a rotating roll (51) onto surface of which the treatment device (51) is provided to apply the treatment substance. The treatment device (30) comprises means (31, 32) for providing gas flows (F1, F2) at least at one of the inlet or the outlet opening (15; 35) of the treatment zone (20).
Description
Technical field
The present invention relates to a kind of equipment for the treatment of fiber web.The invention particularly relates to a kind of for treated substance being applied in at least one lip-deep equipment of fiber web, treated substance directly can be applied in at least one surface of web for treated substance being applied in at least one lip-deep this equipment of fiber web, or treated substance can be via at least one surface of roller paint web, this equipment is set on the surface of this roller, to apply treated substance.The present invention be more particularly directed to a kind of according to the equipment as described in the preamble of claim 1.
Background technology
As from commonly known in the art, in the production process of fiber web, generally include the assembly being formed by the multiple utensils that are disposed in order in production line.The typical processing line of producing comprises head box, wet end and press section and drying section afterwards and batching apparatus.Produce processing line and also can comprise other equipment and/or the portion for completing fiber web, for example, sizing applicator, calender, coating part.Produce processing line and also comprise up-coiler and the coil packing device that at least one is used to form user volume.In this description and following claims, the meaning of fiber web is for example paper web and board web.
In the production of the such as fiber web such as paper web or board web, for example, use applying glue to change the character of fiber web by adding sizing agent (chemical glue).In top sizing, sizing agent directly or add on the surface of fiber web in the Division of Personnel of fiber web machine via roller.Internal sizing is by using different types of chemical treatment to complete at the wet end place of fiber web machine, thereby liquid (for example, water) is penetrated in fiber web and is exerted an influence.By applying glue, the strength character of fiber web is enhanced and the dust of fiber web is reduced.
The applying glue of paper web and board web utilizes independent sizing applicator conventionally.According to sizing applicator, in the configuration structure of prior art, adopt different types of applying glue technology, for example, dipping and gluing technology or film transfer technology or injection applying glue technology.
Fiber web kind and the coating of coating become more and more general, therefore, and the increase in demand that the coating of processing and equipment apply thereon.In coating, especially in the surface at fiber web by pigment application, the coating station place after dry is formed with one deck coating and starches (smears).The formation of coating slurry can be divided into the final quantity that coating slurry is directly fed on web surface or is fed on web surface (its be called apply coating slurry) and regulates coating to starch via roller.
The coating of paper web and board web utilizes coating apparatus---coating machine conventionally.According to coating machine, in the configuration structure of prior art, adopt different types of coating technique, for example, heavy curtain technology or blade coating technique or bar coating technique or air-brush coating technique or injection coating technique.
At Finnish patent application 20075348(DE102008021541) in disclosed a kind of processing procedure of fiber web, wherein treatment media is applied on the surface of web through applying the entrance slit in district by guiding web, jet blower is arranged in this and applies district.Treatment media is applied in web by nozzle, and then web is guided through two and walks the nip forming between surface.In this process, the air for the treatment of media and mist remove from applying district by discharge-channel, and an arrangement of mechanism is in this discharge-channel, for applying district's formation stress level lower than ambient pressure.
At Finnish patent application 20096039(DE10210040291) in disclosed a kind of ejection arrangement structure, it comprises at least one treatment region and the entrance opening for fiber web.This entrance opening comprises convergence surface, this convergence surface is assembled along the direction of web with respect to the travel track of web, to force the air-flow flowing together with web to be gathered in the pressure area forming between web and convergence surface, and air or mist that convergence surface is also set to for preventing treatment media flow out by entrance slit.
In the configuration structure of prior art, apply the common relative narrower of entrance opening/entrance slit of chamber/jet chamber/treatment region.In practice, owing to may making too many air flow in treatment region, so opening can not be too wide, but the width of opening must be enough to provide enough spaces between web and the edge surface of opening.The in the situation that of too little in space, web is swiped the edge of contact openings abutment surface, and causes the vibration of web.
The scraping on web abutment edges surface causes the wearing and tearing of this surface and web, and laying dust.The dust being caused by scraping and dirt can cause problem in treatment region, and may make hardly configuration structure turn round for a long time.The scraping of web and vibration also can cause web to be broken.
In the configuration structure of prior art, the pressure for the treatment of region is generally lower than pressure around, flows out by entrance opening for the air and the mist that prevent treatment media.In the situation that entrance opening is made larger, more air/mist must remove from treatment region by Smoking regime, and this suction can increase energy consumption significantly.Due to suction capactity deficiency, also can drop in web or treatment media is gathered and caused web to be broken quality or running problem occur because mist for example forms drop.Because the running speed of fiber web machine is tending towards increasing, the web width of fiber web simultaneously to be produced is tending towards broadening at present, for example, also needs larger power so produce the device (, air blast) of lower pressure in treatment region.Because the more effective device of needs or its quantity must increase to produce effective suction effect in treatment region, this must mean larger energy consumption and larger cost.
From commonly known in the art, ejection arrangement structure is positioned on the one or both sides of fiber web.In the configuration structure spraying in the both sides of web, a problem is, pressure on the both sides of fiber web is generally lower than ambient pressure, this has further increased the runnability problems of fiber web, especially the unstability of web easily increases, and if this configuration structure is region of no pressure formula (, not following nip after treatment region), this situation even more has problem, if especially the both sides of web are all provided with ejection arrangement structure.Therefore, these factors also cause the demand of suction capactity to increase.
Generally speaking, one of main weakness in the configuration structure of known prior art is the unsettled problem of fiber web, and this causes needs to increase suction air, thereby reaches the stability that fiber web is advanced.
In prior art, be also well known that, in ejection arrangement structure, injection apparatus is positioned at the inner side of protective cover, this processing mist that also prevents from comprising moisture content droplet and treated substance at the treatment region of ejection arrangement structure with external diffusion.Conventionally suction nozzle is used as to protector, this suction nozzle is positioned at the outlet side of protective cover, and pending fiber web is directed out a side for the treatment of region.Suction nozzle makes air and mist remove to mist separator and further leave from pumping equipment via suction channel.At entrance side, the air-flow being provided by the fiber web passing generally prevents that mist from spreading from treatment region at least in part.Also known, protector is positioned at the edge of the protective cover near as far as possible with fiber web, but in this way, can not realize and control mist completely.Remove and separate the required pumping equipment of mist and need a large amount of air to form enough fast flowing, thereby mist is removed to separator always, so that pumping equipment keeps cleaning.The equipment that mist separator is normally very expensive and quite complicated, and in some cases, the passage of himself and the required space of device also may cause space problem.
Summary of the invention
The object of this invention is to provide a kind of equipment of eliminating or at least minimizing the above shortcoming existing in the configuration structure of prior art.
Another object of the present invention is to provide the less suction air of a kind of needs and the therefore lower equipment of energy consumption.
Another nonessential object of the present invention be eliminate or at least minimize prior art relate to fiber web in treatment region, the shortcoming of the stability in inlet zone especially, in above-mentioned inlet zone, surface conditioning agent (as sizing agent or smears) applied, be especially injected into through fiber web on.
Another nonessential object of the present invention is to eliminate or at least minimize the shortcoming that removes mist from treatment region that relates to of prior art.
In order to realize above object, be mainly the feature of the characteristic of claim 1 according to the feature of equipment of the present invention.
According to the present invention, provide a kind of for apply the equipment of treated substance at least one surface of fiber web, can be by directly at least one surface of paint web of treated substance for the described treatment facility (30) that applies treated substance at least one surface of fiber web, or treated substance can be applied at least one surface of web via roller, described treatment facility is configured on the surface of treated substance paint roller, described treatment facility comprises the treatment region that treated substance is applied, as inlet zone etc.Described equipment comprises that the one place in entrance opening or the exit opening of described treatment region at least provides the device of air-flow.
According to favourable scheme of the present invention, a kind of equipment for the treatment of fiber web, in particular for directly or apply the equipment of treated substance at least one surface of fiber web via roller, this equipment comprises treatment region, as inlet zone, fiber web is driven through the entrance opening being limited by least one wall and arrives this district.This equipment comprises the device for air-flow is provided, and described air-flow exerts an influence to advancing of the fiber web of walking, for stablizing the advancing of fiber web for the treatment of region.These devices that advancing of the fiber web of walking impacted comprise at least one wall of the entrance opening of described equipment, described wall is along the height out-of-flatness of the width of entrance opening, thereby for the displaced air that enters treatment region provides wall opening, or provide the device of the air-flow that advancing of fiber web to walking exert an influence to comprise spray nozzle device, for treatment region being pressurized to the pressure higher than ambient pressure.
According to the first embodiment of the present invention, the entrance opening of the treatment region being formed by least one wall of restriction entrance opening is set to that at least one is irregular, the form of non-directional, for example corrugated wall advantageously.Therefore, the form of wall changes along the width of entrance opening.Thus, entrance opening provides air to treatment region, but at least one edge is formed as out-of-flatness can stop web contact wall.If web is driven near the wall in treatment region, lower pressure starts to play a role between wall and web, instead of pull web and contact wall as the configuration structure of prior art, the peristome that lower pressure attracts air to form by the out-of-flatness of the wall because of in opening enters into treatment region, therefore stops web contact wall.
By the out-of-flatness form of the invention of the wall of the entrance opening in this first embodiment of the present invention, stop the contact of web, therefore can provide than using narrower entrance opening in the situation of wall of smooth form.The entrance opening that this is narrower and then make it can use less air amount amount, has realized thus great energy and has saved.
According to the first embodiment of favourable scheme of the present invention, a kind of equipment for the treatment of fiber web, in particular for applying treated substance to process the equipment of the fiber web of walking at least one surface of fiber web, this equipment comprises treatment region, as inlet zone, pressure in Gai district is lower than ambient pressure, and fiber web is driven through the entrance opening being limited by least one wall and arrives this district.At least one wall of the entrance opening of this equipment is in height irregular along the width of entrance opening, thereby provides wall opening for the displaced air that enters described treatment region.According to favourable feature, at least one wall is continuous wavy pattern.The feature favourable according to another, at least one wall comprises the isolated protuberance towards web, and wall opening is arranged between protuberance.According to favourable scheme, on the both sides of fiber web, comprise the wall of the correspondence formation of entrance opening according to the equipment of the first embodiment.
According to favourable feature of the present invention, open height changes to some extent and makes the difference between narrow portion and the highest portion is the 10-90% of described treble height, advantageously 30%-70%.
It should be noted that, term " narrow " and " height " refer to the height of opening, instead of along the width of the opening of the width of web." narrow " refer to, measures to the immediate part of the wall that limits entrance opening from web, and opening has 30-70mm, the height of 45-55mm advantageously.Air capacity is the 100-1200m for the width of the web of a side of web
3/ h/m, advantageously 500-1000m
3/ h/m.Advantageously, than ambient pressure, the downforce in treatment region is on average 10-50Pa.
Although the present invention relates generally to spray applying glue and sprays coating at this and is described, the present invention's design can also be used in the opening of other entrance types, and in above-mentioned opening, web is directed to treatment region by narrow opening.
According to the second embodiment of favourable aspect of the present invention, a kind of equipment for the treatment of fiber web, in particular for applying treated substance to process the equipment of the fiber web of walking at least one surface of fiber web, this equipment comprises treatment region, as inlet zone, in Gai district, fiber web is driven through the entrance opening being limited by least one wall.This equipment comprises at least one spray nozzle device, for treatment region being pressurized to the pressure higher than ambient pressure.Advantageously, than ambient pressure, the superpressure in treatment region is on average 10-300Pa.According to favourable feature of the present invention, comprise at least one gap nozzle for the spray nozzle device in pressurized treatments district, these gap nozzles are positioned at entrance opening part, air-flow to be provided, preferably to provide air stream towards the fiber web of walking at least in part.Preferably, for the device for the treatment of region pressurization is comprised to two gap nozzles, these two gap nozzles provide at least in part the air-flow towards the fiber web of walking at a side place of the fiber web of walking, and a gap nozzle is positioned at entrance opening part, and before another nozzle is positioned at the processing nip that the exit opening place for the treatment of region or treatment region stop.The air-flow of two gap nozzles can be directed into opposite each other at least in part, and tilts with respect to the fiber web of walking, and makes the air-flow of two nozzles form betwixt overpressure zone, for supporting and stable web.This overpressure zone can also form by not being directed into reciprocal air-flow.According to favourable scheme, on the both sides of fiber web, comprise corresponding device according to the equipment of the second embodiment.According to favourable feature, air-flow provides sealing device simultaneously, spreads from treatment region for the mist that prevents treated substance.According to favourable feature, gap nozzle is float nozzle.
According to favourable feature, this equipment is provided with at least one and removes passage, for the mist of treated substance is removed from treatment region.
Can be used in the situation that fiber web is conducted through the nip after treatment region according to the equipment of favourable scheme of the present invention, and be used in fiber web and be conducted through the situation of exit opening from treatment region.Utilizing in situation of the present invention in conjunction with the treatment region (being region of no pressure processing) with exit opening, exit opening is advantageously provided with sealing device, preferably based on sealing by air-flow.
According to the 3rd embodiment of another favourable scheme of the present invention, a kind of for apply the equipment of treated substance at least one surface of fiber web, can be by least one surface of direct treated substance paint web for the described equipment that applies treated substance at least one surface of fiber web, or treated substance can be via at least one surface of roller paint web, described equipment is configured on the surface of this roller of treated substance paint, described equipment comprises treatment region, as inlet zone, treated substance applies in above-mentioned treatment region.In this embodiment, treatment region is positioned at protective cover, and entrance opening and exit opening place for providing the device of air-flow to be positioned at treatment region, that is, provide the nozzle of air-flow to be positioned at ingress edge and the outlet edge place of protective cover.By the air-flow at ingress edge place, the air stream being formed by translational surface or the rotating roller of the fiber web of walking is blocked, otherwise this air stream will form harmful eddy current, and increases the pressure in the treatment region in protective cover.According to favourable feature, by utilizing jeting effect and flow direction, mist flow is guided to the surface of fiber web or roller.According to favourable feature, by amount and the direction of the air-flow from nozzle, the surperficial mist that is attached to web or roller is controlled.The feature favourable according to another, adjustable slit is arranged between nozzle and treatment region, provides thus air-flow required clearance portion.This has strengthened air-flow, and has strengthened mist and adhere to the lip-deep of fiber web or roller, removes the required aspiration of mist and can controllably increase.
The combination in many ways of above embodiment of the present invention and favorable characteristics is to be applied in further advantage of the present invention in the ejection arrangement structure for the treatment of fiber web.In the above description, term " first " and " second " also do not mean that the preferred of embodiment, but only refer to two favourable aspects of the present invention.
Brief description of the drawings
Below, with reference to accompanying drawing, the present invention is described in more detail, in the accompanying drawings:
Air-flow in the schematically illustrated entrance opening of Fig. 1-Fig. 4 and the situation of web;
Some favourable examples of the form of the schematically illustrated entrance opening of Fig. 5 A-Fig. 5 D;
A favourable example of schematically illustrated this equipment of Fig. 6;
Another favourable example of schematically illustrated this equipment of Fig. 7;
Another favourable example of schematically illustrated this equipment of Fig. 8.
Detailed description of the invention
In the accompanying drawings and the description below, except as otherwise noted, identical Reference numeral refers to corresponding part or assembly.At Fig. 1, in Fig. 6, entrance opening is referred to by Reference numeral 15, and wall is referred to by Reference numeral 10.Web is referred to by Reference numeral W, and its direct of travel is by arrow S mark.In Fig. 1-Fig. 4, less arrow refers to for example inlet zone 20 for the treatment of region 20() the region of entrance opening 15 in air-flow.Web W for example, enters treatment region through the entrance opening 15 forming between web W and the wall 10 of beam (, spray beam).In Fig. 6, air-flow is by arrow F1; F2 refers to.Fig. 1-Fig. 5 D is the processed example of an only side of fiber web W, but these accompanying drawings also can with the both sides of fiber web all processed configuration structure be combined with.In the example of Fig. 6, the both sides of fiber web are all processed, but correspondingly, when web only a side is when processed, this configuration structure also can be used.Figure 7 illustrates the example of a side with nip, and figure 8 illustrates the example of both sides, wherein treated substance applies via roller.
The situation when distance that figure 1 illustrates web W and wall 10 is enough far away.In treatment region 20, because the mist of air and treatment media is aspirated and makes pressure lower.Lower pressure is drawn into a large amount of air in treatment region 20 by the entrance opening 15 between wall 10 and web W.
In Fig. 2, web W is near wall 10.Because the air capacity being sent to by web W in treatment region 20 reduces, so in the time that web W moves to more close wall 10, the low pressure in treatment region 20 increases significantly.
In Fig. 3, web W contacts wall 10, and produces larger low pressure in opened gap 21 between wall and web W, and not have the air of replacing to be received in beyond treatment region 20, and therefore web W and wall 10 keep in touch.
In Fig. 4, the same with Fig. 3 of situation, but wall 10 is made in height out-of-flatness, therefore it and web W(Fig. 1 are to Fig. 4) distance change, the height of entrance opening broad ways is changed at least in part, this wall opening 11 by dotted line is indicated, therefore in the time of web W contact wall 10, air still via between web W and the wider portion of entrance opening 15 (, between wall opening 11 and web W) opening be received into treatment region 20, therefore pull the power that web W contacts with wall 10 can not increase manyly especially, and web W can unclamp and the contacting of wall 10.
In Fig. 5 A-Fig. 5 D, be some favourable examples of the form of wall 10, entrance opening 15(Fig. 1-Fig. 4) make in height out-of-flatness of wall 10, therefore it and web W(Fig. 1-Fig. 4) distance can change, the height of entrance opening 15 broad ways is changed at least in part at wall opening 11 places.
In the example of Fig. 5 A, Fig. 5 B and Fig. 5 D, the form of wall 10 is provided with continuous wavy pattern, and the higher part of wavy portion is divided more close web W, for the opening of displaced air by the forming compared with lower part of this wavy portion, as indicated by wall opening 11 in the accompanying drawings.
In the example of Fig. 5 C, by by metal wire or corresponding protuberance 12 at a certain distance spaced be attached on wall 10 and be formed for the opening of displaced air and therefore form wall opening 11 forming the irregular form of wall 10.
The irregular form that wall opening 11 is set of wall 10 can form by various forms and pattern; It can be continuous or discontinuous pattern, can be designed to dissimilar wave-like form, can form by forming wall 10, and the separate part that can be attached to wall by use forms, etc.
In the example of Fig. 6, the entrance opening 15 of fiber web W through wall 10 enters into the treatment region 20 at treatment facility 30 places, on the fiber web of finishing agent paint being walked with the injection apparatus 25 by web both sides.Combine with the wall 10 of the entrance opening 15 on the both sides of web W, gap nozzle 31(is float nozzle for example) be arranged as at least in part towards the fiber web W walking the preferred air stream of air-flow F1(that advantageously the direct of travel S with respect to fiber web W tilts is provided), as shown in the drawing.The major part of air-flow is indicated by arrow F1 in the accompanying drawings.Injection apparatus 25 is arranged in treatment region, and treatment region 20 also comprises and remove passage 43, removes treated substance mist for the treatment region 20 of the both sides from web W.At exit opening 35 places of the end for the treatment of region 20, gap nozzle 32(is float nozzle for example) be arranged as at least in part towards the fiber web W walking the preferred air stream of air-flow F2(that advantageously the direct of travel S with respect to fiber web W tilts is provided), as shown in the drawing.The major part of air-flow is indicated by arrow F2 in the accompanying drawings.Air-flow F1, the F2 relevant with exit opening 35 to entrance opening 15 provide sealing device, for preventing that treated substance mist from spreading from treatment region 20.Reverse air-flow F1, F2 forms overpressured zone betwixt each other at least in part, for supporting and stable web W.
Be arranged as in the configuration structure of processing nip in the outlet for the treatment of region, can also use mechanical sealing, to prevent that treated substance mist from spreading from treatment region.
In the example of Fig. 7, by for example spraying equipment 30 of injection apparatus 25(for the treatment of facility 30) on fiber web W that treated substance paint is walked along S direction.In the region that treating apparatus 30 seals between web W and roller 51.Treating apparatus 30 has nozzle or installs accordingly, makes to provide air-flow F1; F2, one air-flow F1 is positioned at entrance opening 15 places, and another road air-flow is between treating apparatus 30 and roller 51.Air-flow F1, F2 form overpressured zone at treatment region 20 places.The direction of rotation of roller 51 is indicated by arrow S51, and treating apparatus 30 also comprises scraper 57.
In the example of Fig. 8, the treatment facility of the present invention 30 that applies treated substance on two surfaces for the fiber web W walking along S direction is all positioned at protective cover 45.Treating apparatus 30 by injection apparatus 25 by treated substance TS paint along on the surface of the roller 51 of S51 direction rotation, and between roller 51 form nip in, treated substance TS is applied on two surfaces of fiber web.Treatment facility 20 comprises treatment region 20, and as inlet zone 20, wherein treated substance is applied by injection apparatus 25.Treatment region 20 is positioned at protective cover 45, for the entrance opening 15 and exit opening 35 places that provide the device 31,32 of air-flow F1, F2 to be positioned at treatment region 20, provides the nozzle of air-flow F1, F2 to be positioned at ingress edge place and the outlet edge place of protective cover 45.Stop the air-flow being formed by translational surface and rotating roller 51 by the air-flow F1 at ingress edge place, otherwise this air-flow will form harmful eddy current, and treated substance mist flow is drawn towards the surface of roller 51.In Fig. 8, by dotted arrow instruction air and mist flow.
Above, only with reference to some favourable examples, the present invention has been described.In inventive concept, can carry out multiple remodeling and amendment.
Reference numeral in accompanying drawing
10 walls
11 wall openings
12 protuberances
15 entrance openings
20 treatment regions
21 opened gaps
25 injection apparatus
30 treatment facilities
31,32 gap nozzles
35 exit openings
43 remove passage
45 protective covers
51 rollers
57 scrapers
F1; F2 air-flow
The direct of travel of S web
The direction of rotation of S51 roller
TS treated substance
W web
Claims (15)
1. one kind applies the equipment of treated substance on treatment region (20) is located at least one surface at fiber web, be set to directly at least one surface of paint web (W) of treated substance (TS) for the described treatment facility (30) that applies treated substance at least one surface of fiber web (W), or described treatment facility (30) via rotating roller (51) by least one surface of treated substance paint web (W), described treatment facility (30) is configured on the surface of rotating roller (51) described in treated substance (TS) paint, it is characterized in that, described treatment facility (30) comprises that at least the one place in entrance opening (15) or the exit opening (35) of described treatment region (20) provides air-flow (F1, F2) device (11, 31,32).
2. equipment according to claim 1, be used for applying treated substance with the upper fiber web of walking of processing at least one surface at fiber web (W), described equipment comprises treatment region (20), as inlet zone, fiber web (W) is driven through the entrance opening (15) being limited by least one wall (10) and arrives described treatment region (20), it is characterized in that the device (11 that described equipment comprises; 31) at least locate to provide air-flow at described entrance opening (15), described air-flow exerts an influence to advancing of the fiber web of walking (W), in order to advancing of stable fibers web (W).
3. equipment according to claim 2, the pressure of wherein said treatment region (20) is configured to lower than ambient pressure, it is characterized in that, provide the described device of air-flow to comprise at least one wall (10) of the entrance opening (15) of described equipment, described air-flow exerts an influence to advancing of the fiber web of walking (W), described wall is along the in height out-of-flatness of width of described entrance opening (15), thereby provides wall opening (11) for the displaced air that enters described treatment region (20).
4. according to the equipment described in claim 2 or 3, it is characterized in that, described at least one wall (10) that limits described entrance opening is continuous wavy pattern.
5. according to the equipment described in claim 2 or 3, it is characterized in that, described at least one wall (10) that limits described entrance opening comprises the multiple protuberances (12) towards web, described protuberance is spaced apart from each other, and described wall opening (11) is arranged between described protuberance (12).
6. according to the equipment described in claim 2 or 3, it is characterized in that, the open height of described entrance opening (15) changes and makes the difference between narrow portion and the highest portion is the 10-90% of described treble height, advantageously 30%-70%.
7. according to the equipment described in claim 2 or 3, it is characterized in that, described entrance opening (15) is formed between two walls (10), and at least one in height out-of-flatness in described wall (10).
8. equipment according to claim 2, it is characterized in that, provide the device of the air-flow that advancing of fiber web to walking exert an influence to comprise at least one spray nozzle device (31), described spray nozzle device is provided for described treatment region (20) to be pressurized to the air-flow (F1) of the pressure higher than ambient pressure.
9. according to the equipment described in claim 2 or 8, it is characterized in that, comprise and be positioned at least one gap nozzle (31) that described entrance opening (15) is located for the spray nozzle device that described treatment region (20) is pressurized to the pressure higher than ambient pressure, in order to air-flow (F1) to be provided, preferably to provide air stream towards the fiber web of walking (W) at least in part.
10. according to the equipment described in claim 2 or 8, it is characterized in that, than ambient pressure, the overvoltage in described treatment region (20) is on average 10-300Pa.
11. according to the equipment described in claim 2 or 8, it is characterized in that, for the described spray nozzle device of described treatment region pressurization is comprised to two gap nozzles (31, 32), described gap nozzle provides at least in part the air-flow (F1 towards the fiber web of walking (W) in a side of the fiber web of walking (W), F2), and the gap nozzle (31) in described gap nozzle is positioned at described entrance opening (15) and locates, another gap nozzle (32) in described gap nozzle is positioned at the exit opening (32) of described treatment region (20) and locates, or before being positioned at the processing nip of described treatment region (20) termination.
12. equipment according to claim 11, it is characterized in that, described two gap nozzles (31,32) air-flow (F1, F2) be directed into reverse each other at least in part, and tilt with respect to the fiber web of walking (W), make the air-flow of described two gap nozzles form betwixt overpressured zone, in order to support and to stablize described web.
13. equipment according to claim 1, it is for by directly at least one surface of paint fiber web (W) of treated substance (TS), or at least one surface via rotating roller (51) paint fiber web (W), described treatment facility (30) is configured on the surface of rotating roller described in treated substance (TS) paint, described equipment comprises treatment region, as inlet zone, treated substance (TS) is applied in described treatment region (20), and described treatment region (20) is positioned at protective cover (45), it is characterized in that, be used for providing air-flow (F1, F2) described device (31, 32) the entrance opening (15) and the exit opening (35) that are positioned at described treatment region (20) are located.
14. equipment according to claim 13, it is characterized in that, be used for providing described air-flow (F1, F2) device (31,32) be the nozzle (31,32) that is positioned at ingress edge place and the outlet edge place of described protective cover (45), and by effect and the described air-flow (F1 of injector, F2) direction, the mist flow of treated substance is guided to the surface of described fiber web (W) or the surface of described roller (51).
15. according to the equipment described in any one in above claim, it is characterized in that, described equipment comprises the corresponding intrument on the both sides that are positioned at the fiber web of walking.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12193721.3A EP2735648A1 (en) | 2012-11-22 | 2012-11-22 | Device for treating a fiber web |
| EP12193721.3 | 2012-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103835187A true CN103835187A (en) | 2014-06-04 |
| CN103835187B CN103835187B (en) | 2017-03-01 |
Family
ID=47227645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310574251.6A Active CN103835187B (en) | 2012-11-22 | 2013-11-15 | For processing the equipment of fiber web |
Country Status (2)
| Country | Link |
|---|---|
| EP (2) | EP2735648A1 (en) |
| CN (1) | CN103835187B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676966A (en) * | 2016-07-26 | 2017-05-17 | 联盛纸业（龙海）有限公司 | Sizing and dyeing production method and apparatus thereof of paper |
| CN111002569A (en) * | 2018-10-04 | 2020-04-14 | 布鲁克纳机械有限责任两合公司 | Processing device for a web of flexible material, in particular a plastic film, that can be run through a processing oven |
| CN114481451A (en) * | 2020-10-28 | 2022-05-13 | 本田技研工业株式会社 | Material layer forming apparatus |
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| DE102014100651B4 (en) * | 2014-01-21 | 2015-08-13 | Paperchine Gmbh | Air sealing device for a spraying apparatus in a papermaking machine |
| EP2985385A1 (en) * | 2014-08-11 | 2016-02-17 | Xavier Blanch Andreu | Spraying device for spraying a liquid product onto paper sheet |
| EP3219849A1 (en) | 2016-03-15 | 2017-09-20 | Valmet Technologies Oy | Device for treating fiber webs |
| EP3842591A1 (en) | 2019-12-23 | 2021-06-30 | Andritz Küsters GmbH | Device for applying an applied medium |
| DE102020117953A1 (en) * | 2020-07-08 | 2022-01-13 | Voith Patent Gmbh | Coating installation and method for coating |
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| CN106676966A (en) * | 2016-07-26 | 2017-05-17 | 联盛纸业（龙海）有限公司 | Sizing and dyeing production method and apparatus thereof of paper |
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| CN111002569A (en) * | 2018-10-04 | 2020-04-14 | 布鲁克纳机械有限责任两合公司 | Processing device for a web of flexible material, in particular a plastic film, that can be run through a processing oven |
| CN111002569B (en) * | 2018-10-04 | 2021-11-02 | 布鲁克纳机械有限责任两合公司 | Treatment apparatus for a web of flexible material that can be passed through a treatment furnace |
| US11718049B2 (en) | 2018-10-04 | 2023-08-08 | Brückner Maschinenbau GmbH | Treatment machine for a flexible material web, in particular plastic film, which can be passed through a treatment furnace |
| CN114481451A (en) * | 2020-10-28 | 2022-05-13 | 本田技研工业株式会社 | Material layer forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2811069A1 (en) | 2014-12-10 |
| EP2735648A1 (en) | 2014-05-28 |
| EP2811069B1 (en) | 2018-08-29 |
| CN103835187B (en) | 2017-03-01 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Espoo, Finland Applicant after: Veimeide Technology Co., Ltd. Address before: Helsinki Applicant before: Metso Paper Inc. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: METSO PAPER INC. TO: VEIMEIDE TECHNOLOGY CO., LTD. |
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