CN102472011A - Device for producing a fibrous web - Google Patents
Device for producing a fibrous web Download PDFInfo
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- CN102472011A CN102472011A CN201080031494XA CN201080031494A CN102472011A CN 102472011 A CN102472011 A CN 102472011A CN 201080031494X A CN201080031494X A CN 201080031494XA CN 201080031494 A CN201080031494 A CN 201080031494A CN 102472011 A CN102472011 A CN 102472011A
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- drying unit
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- 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
- D21F5/18—Drying webs by hot air
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- 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
- D21F5/18—Drying webs by hot air
- D21F5/185—Supporting webs in hot air dryers
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Abstract
The invention relates to a device (1) for producing a fibrous web (3), comprising an impact drying system (5) with a first elongated impact drying unit (7) and a second elongated impact drying unit (9) lying adjacent to the first unit. The longitudinal axes (L) of the first and second impact drying units (7; 9) run at an angle of inclination of 35 DEG -55 DEG , preferably 40 DEG -50 DEG and especially preferably approximately 45 DEG in relation to a horizontal plane (HE) and the respective longitudinal directions (L) of the first and second impact drying units (7; 9) run vertically and horizontally in opposite directions starting from their respective front sections (31; 33), or the respective longitudinal directions (L) run vertically in opposite directions starting from their respective front sections (31; 33) and horizontally in the same direction.
Description
Technical field
The present invention relates to a kind of device that is used to produce such as the pulp web of paper, cardboard or tissue web material.
Background technology
In the production of pulp web, the problem that usually exists is, must softly dry pulp web very moist sometimes during production process, and to obtain the paper quality of expectation.This is a reason of why using dryer section with a plurality of dryings that are heated that are arranged to a row or two rows, and wherein paper web is shelved on the drying that is heated, and wherein the hot surface of drying evaporates the water in the paper web lentamente.Yet; Problem in this existence is that on the one hand, still very moist paper web adheres to the surface of drying a little; During especially with the quick machine speed of expectation, and process units or the overall length of producing machine are arranged that one by one a large amount of drying in a row prolongs widely.
In view of this problem scope; Impacting type drying device (for example referring to DE 199 44 266 A1, EP 1 156 155 A2, DE 10 2,007 038 133 A1 or DE 10 2,007 026 931 A1) is proposed in the level of prior art; A kind of impacting type drying machine that has the hood of drying wherein is provided; Put on pulp web with the for example drying medium of hot-air, so that remove more water from the pulp web of humidity every now and then.
Summary of the invention
As result of the present invention, form a kind of device that is used to produce pulp web, it allows pulp web is carried out effective dry in the less installing space of needs.
Device by means of the characteristic with claim 1 is realized this purpose.Additional embodiments of the present invention has been described in the dependent claims.
Because two impacting type drying units are relative adjacent to each other according to the present invention; That is to say that the front portion is adjacent one another are respectively and in the face of each other; Wherein their longitudinal axis (for example substantially parallel each other or become each other basically 90 ° angle) extends to become substantially 45 ° angle with horizontal plane; So upwards with and utilized vertical installing space and horizontal installing space equably downwards along vertical plane, the space that this vertical installing space normally vertically can be used in the device above and below along horizontal plane.In addition, the width of cloth material from first drying unit to second drying unit shifts and can the variant with the longitudinal axis that extends parallel to each other, realize very lenitively.In addition; Through the impacting type drying unit of this front for example is placed on the inclined-plane of direction along transport path (=towards the back) along transport path, can utilize the impacting type drying unit of this front to receive width of cloth material very lenitively along transport path (the impacting type drying device is positioned on this transport path); At this; Pulp web is generally flatly sent to the impacting type drying device along transport path from the device of front; Make because the longitudinal axis of the impacting type drying unit of front 45 ° angle basically; So, exist towards 135 ° obtuse angle of back between the longitudinal axis of the pulp web of being sent to by level and the impacting type drying unit of front, and this obtuse angle can not cause any violent deflection of pulp web along transport path.In this case, along the impacting type drying unit of the back of transport path correspondingly on the direction opposite with transport path (forward) tilt 45 °, perhaps (rearwards) tilts 45 ° on the direction of transport path; Under preceding a kind of situation, can realize especially lenitively that width of cloth material shifts; Pulp web is generally by the essentially horizontally delivery forward of impacting type drying device, makes along the obtuse angle that also has 135 ° of cardinal principles between the longitudinal axis (if it is to turn forward) of the impacting type drying unit of the back of transport path and the pulp web that level delivers forward.The longitudinal axis of the impacting type drying unit of first and second inclinations and their inclinations is basically on a vertical plane; The same applies to corresponding and be in tilted layout and follow any other drying unit after the first and second impacting type drying units.
According to the present invention, pulp web also supports from the corresponding supports fabrics of a side by corresponding impacting type drying unit on a side or only in the zone of impact surface, directly impinges upon on the pulp web owing to clash into medium, so above-mentioned situation realizes effective dry.At this, equal that side of each impact surface in two impact surfaces in each case of the impacting type drying machine in each impacting type drying unit of impacting type drying unit for example back to supports fabrics.
As stated, the impacting type drying machine of corresponding impacting type drying unit can have the cover that is installed in corresponding impact surface top, in this cover, will clash into medium and for example blow on the pulp web that is supported by supports fabrics for hot-air especially.This cover can be arranged on each impact surface on the both sides of pulp web, makes it possible to the bump medium is put on whole both sides of pulp web.If still exist between the medium supports fabrics to obtain higher efficient such as fruit at pulp web and bump, make and clash into that side that medium puts on the not supported fabric covering of all at least impact surfaces so the impacting type drying machine is preferably designed so that because the bump medium directly clashes into pulp web.
In addition, can design corresponding impacting type drying machine, make that also will clash into medium puts on that side that the supported fabric of pulp web covers; If the supports fabrics complete closed, then effect effect with drying (having only the heat transmission to pulp web) in reality is identical; If supports fabrics has hole or perforation, then on that side that the supported fabric of impact surface covers, also there is convection effect.
Impacting type drying device according to the present invention can have on the direction of the transport path of pulp web to be arranged and adjacent one another are many to the first and second impacting type drying units one by one.In a preferred embodiment; The impacting type drying device also has one to three other impacting type drying unit except that the first and second impacting type drying units; The longitudinal axis of all impacting type drying units wherein extends parallel to each other basically; And the longitudinal axis of the impacting type drying unit at top is to extending parallel to each other basically; And the longitudinal axis of the impacting type drying unit of bottom extends parallel to each other basically, and has approximate 90 ° angle between the longitudinal axis (arrow nested each other (nested)) of the longitudinal axis at top and bottom.If the first impacting type drying unit is along the top impacting type drying unit in the impacting type drying unit of transport path in this case, then corresponding odd number (for example the 3rd and/or the 5th) impacting type drying unit is equally once more to extend with the identical mode of the first impacting type drying unit; This means in each case first with whenever point on identical direction with respect to separately longitudinal axis at a distance from the front portion of one impacting type drying unit.In a preferred embodiment, the front portion of all odd number impacting type drying units is arranged on the identical vertical height basically; Above-mentioned situation equally preferably is applicable to the front portion of all even number impacting type drying units.
The impact surface of impacting type drying unit preferably extends about their longitudinal axis symmetries separately.Impact surface can be shaped as smooth, but they can be crooked equally, especially to protrude the mode of curve.In addition, impact surface can extend in parallel with the longitudinal axis of corresponding impacting type drying unit; If impact surface is crooked, then in this case, the tangent line at place, the summit of impact surface can extend in parallel with longitudinal axis.Impact surface and their corresponding vertex tangents with respect to their longitudinal axis separately with less than 90 °, advantageously less than 45 °, preferably less than 30 °, especially preferably extend less than 15 ° angle.
Especially preferred is that if the impacting type drying device is right after after the extruder that is arranged in the device, this is to have high moisture owing to being right after through pulp web after the extruder, makes and can utilize the bump drying to reach good especially effect there.The impacting type drying device of design or other impacting type drying device correspondingly are right after and are arranged in after the application head according to the present invention; This application head is used certain media processes paper such as sizing material or impregnated material, and therefore paper also has higher humidity once more.
In preferred embodiment according to device of the present invention; Drying is right after after the corresponding impacting type drying device; This drying is arranged to horizontal rows (single design) one by one or is arranged to two rows above another, and each drying quilt is horizontal arrangement (double design) one by one.
On this side of supports fabrics, also aspirator can be arranged; Suction/air blowing composite set also can be arranged; So that remain on pulp web on the supports fabrics tightly; Wherein aspirator and blowning installation can alternately be arranged, for example on the pulp web longitudinal direction, alternately are arranged in suction/blowning installation.
In addition, corresponding impacting type drying unit can be equipped with the pulp web deflection roll, and this pulp web deflection roll has the roller shell of perforation, and swabbing action is applied in this pulp web deflection roll.Can apply swabbing action through these rollers via suction box indirectly, perhaps can directly apply swabbing action and pass through roll shaft.
Description of drawings
Hereinafter, based on the embodiment example and with reference to description of drawings the present invention.In the accompanying drawing:
Fig. 1 illustrates the schematic side elevation that is used to produce the device of pulp web according to embodiments of the invention;
Fig. 2 illustrates the schematic side elevation of the device that is used to produce pulp web according to another embodiment of the present invention;
Fig. 3 illustrates the schematic side elevation of the device that is used to produce pulp web according to still another embodiment of the invention; And
Fig. 4 illustrates the schematic side elevation of the device that is used to produce pulp web according to still another embodiment of the invention.
Identical Reference numeral is used for identical parts in the accompanying drawings.
The specific embodiment
As shown in Figure 1; At the device 1 that is used for producing pulp web 1 according to the present invention; Basically carry pulp web 3 from left to right along transport path (arrow Tw); Wherein transport path, to be pulp web 3 in device 1 advance or route is equally partly advanced along the sinuous route around roller, and wherein transport path also has a bit of part of on the direction opposite with total transport path Tw, advancing.In addition; Statement " along transport path device in front " for example should be understood to expression pulp web 3 with " along the device of transport path in the back " and at first advances through the device of front along transport path, and on the contrary up to just advancing through device at the back along transport path afterwards.Device has the elongation design corresponding with total transport path Tw, and wherein the longitudinal axis VL substantial horizontal of device is extended.
(end) portion 31 and 33 and back (end) portion 35,37 before two impacting type drying units 7,9 have respectively along their longitudinal direction L in each case; Its middle front part 31,33 is in the face of be mounted to adjacent one another are and be installed in identical substantially height place each other and respectively, and this is highly also substantially corresponding to the horizontal-extending of device 1 or the height of longitudinal extension (longitudinal axis VL).In the impacting type drying device of bottom shown in Figure 1, the deflection roll 23 of device is about their longitudinal axes L symmetric arrangement; Promptly about longitudinal axes L, top deflection roll 23 ' limit longitudinal axes L with rearmost deflection roll 25, and two remaining deflection roll 23 on transverse direction reciprocally perpendicular to longitudinal axes L.In the impacting type drying unit 9 at top, ground shown in Figure 1, arrange top deflection roll 27 ', make this deflection roll towards the longitudinal axes L certain distance that squints downwards; The triangle that is formed by deflection roll 27 in the middle of rearmost deflection roll 29 and two is about the longitudinal axes L symmetric arrangement of the impacting type drying unit 9 at top.
Respectively by deflection roll 23 ', 23,25 and 27 ', in 27, the 29 kite shapes that form; The supports fabrics 19 and 21 of the first and second impacting type drying units 5,7 is the shape circulation of most of protrusion respectively; Promptly only exist leave deflection roll 23 ', 23,25,27 ', 27, the inflexion point of the protrusion of the straightway between 29, and do not have recess.
In addition, each the impacting type drying unit in the impacting type drying unit 7,9 has impacting type drying machine 39,41 respectively, this impacting type drying machine 39,41 have respectively four bottom drying machines 39 ', 39 ", 39 " ', 39
IVWith 41 ', 41 ", 41 " ', 41
IVAt this; Bottom drying machine 39 ', a bottom drying machine in 39 " with 41 ', 41 " is arranged to directly relative with a side of each impact surface 11,13 and 15,17 respectively; This side is back to corresponding supports fabrics 19 and 21; Wherein the bottom drying machine has cover, in this cover, can directly bump medium (hot-air) be put on the pulp web 3 in the zone of impact surface 11,13,15,17.
At each respectively on that side in the face of supports fabrics 19 and 21 impact surface 11,13,15,17, bottom drying machine 39 " ', 39
IV, 41 " ', 41
IVIn a bottom drying machine cover is installed, in this cover can between be connected on and will clash into medium through supports fabrics 19,31 in the zone of impact surface 11,13,15,17 and put on pulp web 3.If have closure designs in this supports fabrics, for example be plastic tape that does not have perforation or the form of not having the metal band of perforation, then clash into the heating that medium only influences supports fabrics 19,31, make and only conduct the drying that causes pulp web 3 by heat.In a preferred embodiment, make corresponding supports fabrics 19,31 perforation, make the bump medium to directly act on pulp web 3 through supports fabrics 19,31 in position; Yet in position this acts directly on and should be understood as that in the context of the present invention and pass through supports fabrics indirectly.
The parallel basically layout of the longitudinal axis of the longitudinal axes L of the first impacting type drying unit 7 and the second impacting type drying unit 9, and with respect to the horizontal plane HE is arranged to 35 °-55 °, preferably 40 °-50 °, 45 ° angle of inclination substantially more preferably.As stated; The first and second impacting type drying units 7,9 are arranged to the longitudinal direction L along them respectively; Their front portion 31,33 is faced also adjacent one another are each other, the wherein first and second impacting type drying units 7,9 (both in the vertical direction also in the horizontal direction) extension in the opposite direction from their front portions 31,33 separately along their longitudinal directions separately.In this case, among Fig. 1 be arranged in second, the impacting type drying unit 7 of first among the transport path Tw of the impacting type drying unit 9 at top, bottom extends and extends to (with respect to transport path Tw) rear portion at downward upper edge, an inclined-plane its longitudinal direction L of HE with respect to the horizontal plane from its anterior 31 beginnings.Correspondingly, the second impacting type drying unit 9 from its anterior 33 beginnings (with respect to transport path Tw) upwards and on the inclined-plane forward with respect to the horizontal plane HE extend.
Along the longitudinal direction L of corresponding impacting type drying unit 7, the deflection roll 25 and 29 of back is designed to suction roll respectively, wherein can by means of external suction case 25 ', 29 ' swabbing action is put on inside.Can also aspirate roll shaft via hollow swabbing action is directly put on suction roll.The first and second impacting type drying units 7 and 9 corresponding supports fabrics 19 and 21 are arranged with protrusion along transport path between corresponding two impact surfaces respectively and are extended respectively.
Pulp web 3 is advanced through the impact surface of the first impacting type drying unit 7 continuously, and arrives the point of release 55 of the first impacting type drying unit 7, and pulp web 3 is with at these point of release 55 places from the first impacting type drying unit 7; This point of release 55 is arranged in the front portion of the first impacting type drying unit 7 equally.
Along in front deflection roll 27 of width of cloth material direct of travel ' and subsequently middle deflection roll 27 between part in; The aspirator that is the form of suction box 63,65 be arranged in respective support fabric 19,21 on that side of pulp web 3; Along the supports fabrics 19 of being distributed and 21 direction swabbing action is put on pulp web 3 respectively in each case with this aspirator, so that the passing through of stabilizing panel material.
Also can the group of two row's dryings with parallel layout be mixed with single dry group.
According to impacting type drying device of the present invention, the for example above impacting type drying device of describing based on Fig. 15 is right after after the squeeze unit 43 that is arranged in device 1 in a preferred embodiment and is right after before the drying section 61 that is arranged in device 1; Yet this impacting type drying device also can be arranged between the dry group of drying or also can be arranged between the drying in the dry group.This is feasible equally in conventional device, for example, uses according to one or two dry group of impacting type drying device replacement of the present invention, wherein because the drying capacity of impacting type dry group is better than the drying capacity of a plurality of dryings, therefore can omit other dry group.In a preferred embodiment, the other impacting type drying device that constitutes according to impacting type drying device of the present invention or according to the present invention can be right after equally after application head, this application head usually in drying section between dry group.
At the embodiment shown in Figure 2 according to the device of the present invention 1 that is used for producing pulp web 3, except that the first and second impacting type drying units 7,9, impacting type drying device 5 also has the third and fourth impacting type drying unit 73 and 75 respectively.
The 3rd impacting type drying unit 73 next-door neighbours second impacting type drying unit 9 is arranged; The 3rd impacting type drying unit 73 has expansion design, and wherein the longitudinal axes L of the longitudinal axes L of the 3rd impacting type drying unit 73 and the first and second impacting type drying units 7,9 extends in parallel; The 3rd impacting type drying unit 73 the past (end) portion 77 is tilted to and extends below and extend to (along the direction of transport path Tw) rear portion; The front portion 77 of the 3rd impacting type drying unit 73 is positioned on the height level identical with the front portion of the first and second impacting type drying units 7,9 31,33 substantially.
The 4th impacting type drying unit 75 is close to the 3rd impacting type drying unit 73 along transport path and arranges; The 4th impacting type drying unit 75 has expansion design, and wherein the longitudinal axes L of the longitudinal axes L of the 4th impacting type drying unit 75 and first to the 3rd impacting type drying unit 7,9,73 extends in parallel; The 4th impacting type drying unit 75 (end) portion 79 (along the direction of transport path Tw) in the past is tilted to and extends forward; The front portion 79 of the 4th impacting type drying unit 75 is positioned on the height level identical with the front portion of first to the 3rd impacting type drying unit 7,9,73 31,33,77 substantially.
The third and fourth impacting type drying unit 73,75 has each separate part identical with the first and second impacting type drying units 7,9; This means that each impacting type drying unit respectively has their supports fabrics 81,83 of advancing along the rectangular-shaped loops that is the kite shape, the rectangular-shaped loops of kite shape deflection roll 85 ', 85,87 and 89 ', 89,91 limit; In addition; The third and fourth impacting type drying unit 73,75 respectively has 93,95 and 97,99 and impacting type drying machines 101,103 of two impact surfaces; This impacting type drying machine 101,103 through have the corresponding cover that is arranged in the there act on back to that side of corresponding supports fabrics 81,83 and act on impact surface 93,95 and 97,99 respectively in the face of that side of corresponding supports fabrics 81,83, wherein be applied in the side of impact surface 93,95,97,99 at this cover inner impact medium.
In the front portion 77 of the 3rd impacting type drying unit 73; The 3rd impacting type drying unit 73 has acceptance point 105 and point of release 107; Point of release 59 from the second impacting type drying unit 9 directly is transferred to the 3rd impacting type drying unit 73 to pulp web 3 at this acceptance point 105 and point of release 107 places respectively; And pulp web 3 directly is transferred to the 4th impacting type drying unit 75 from the 3rd impacting type drying unit 73, and the 4th impacting type drying unit 75 is provided with acceptance point 109 in its front portion 79 for this reason.In the front portion 79 of the 4th impacting type drying unit 75; The 4th impacting type drying unit 75 has point of release 111 equally, pulp web 3 at these point of release 111 places therefore from the 4th impacting type drying unit 75 and be transferred to drying section 61 subsequently from impacting type drying unit 5.
The acceptance point 105 and 109 of the third and fourth impacting type drying unit 73,75 equally just in time is positioned at deflection roll 85,89 places of front respectively, and wherein the deflection roll 85,89 of front is equipped with aspirator at corresponding acceptance point 105,109 places.
At all impacting type drying unit 7,9,73,75 places shown in Fig. 1 and 2, impact surface 11 and 13,15 and 17,93 and 95,97 and 99 is respectively about the longitudinal axis symmetric arrangement of corresponding impacting type drying unit 7,9,73,75; Yet, can be with each to impact surface 11 and 13,15 and 17,93 and 95,97 and 99 respectively with respect to the asymmetric layout of corresponding longitudinal axes L.
In Fig. 1 and 2, longitudinal axes L is defined as to extend through the deflection roll 23,27,85 of deflection roll 25,29,87, the gap between 91 and two centres of back, the centre in the space between 89; Yet, longitudinal axis also can be defined as respectively deflection roll 23 before and after corresponding ' with between 25, between 27 and 29 and 85 ' and between 87,89 ' and extension between 91; Under latter event; Only impact surface 11,13 will be about the corresponding longitudinal axes L symmetric arrangement in the first impacting type drying device 7, and impact surface 15 and 17,93 and 95 and 97 and 99 is then respectively about the longitudinal axes L ' asymmetric layout in second to the 4th impacting type drying device 9,73,75 there.
At embodiment shown in Figure 3 according to the device of the present invention 1 that is used for producing pulp web 3; Impacting type drying device 5 has the first and second impacting type drying units 7,9; The longitudinal axes L of this first and second impacting types drying unit 7,9 with respect to the horizontal plane HE becomes 45 ° angle [alpha] to extend; And this first and second impacting types drying unit 7,9 tilts to the rear portion along throughput direction Tw from their (along the longitudinal direction) leading section 31 and 33 respectively, and the angle that makes their longitudinal axes L be oriented relative to one another to 90 ° is extended (the arrow edge direction opposite with throughput direction pointed to).In other words, the first and second impacting type drying units 7,9 respectively on their longitudinal directions separately in the horizontal direction the identical direction in upper edge (at this to the rear portion) and in the vertical direction in opposite direction (this opposite direction is respectively upwards with downwards) from their front portions 31 separately and 33 extensions.
The first impacting type drying unit 7 is right after to be arranged in after the press section 43 and to be right after along width of cloth material direct of travel (pulp web path) and is arranged in before the drying section 61.
In addition, about their CONSTRUCTED SPECIFICATION, 7,9 of impacting type drying units were identical with the embodiment that had before described according to Fig. 1 and 2, therefore in this respect with reference in preceding explanation.
In the embodiment shown in Figure 4 of device 1 according to the present invention; Have four impacting type drying units 7,9,73,75 at this impacting type drying unit 5 that is arranged in equally between press section 43 and the drying section 61, according to CONSTRUCTED SPECIFICATION corresponding to four impacting type drying units, 7,9,73,75 these impacting type drying units 7,9,73,75 of design of the embodiment of Fig. 2.Yet; In this case; All longitudinal axes L that are not impacting type drying unit 7,9,73,75 extend parallel to each other; But have only the longitudinal axis of the impacting type drying unit 9,75 at two tops to extend parallel to each other to L, and the longitudinal axes L of the impacting type drying unit 7,73 of two bottoms extends parallel to each other.At this; The longitudinal axes L of the impacting type drying unit 9,75 at two tops with respect to the horizontal plane HE becomes 55 ° angle [alpha] ' tilt to the rear portion along throughput direction Tw, and the impacting type drying unit 7,73 of two bottoms with respect to the horizontal plane HE become 45 ° angle [alpha] to tilt to the rear portion.Therefore, the longitudinal axes L of the impacting type drying unit 9,75 at two tops is oriented relative to one another to 100 ° angle extension (for the arrow of the longitudinal axes L of pointing to throughput direction Tw in opposite direction) with respect to the longitudinal axes L of the impacting type drying unit 7,73 of two bottoms.In other words; First, second, third with the 4th impacting type drying unit 7,9,73 the identical direction in upper edge (in this situation for downwards) and in the vertical direction extend from their front portions 31,33,77 and 79 separately along opposite direction (wherein the impacting type drying unit 7,73 of bottom is to extending below, and the impacting type drying unit 9,75 at top extends upward) in the horizontal direction on their longitudinal directions separately respectively with 75.
In a preferred embodiment, impacting type drying unit 5 has even number impacting type drying unit.
Additional advantages of the present invention are for example following: owing to be preferably designed so that towards vertical end convergent of corresponding impacting type drying unit along the front portion of the longitudinal direction of corresponding impacting type drying unit, so front face can be arranged to closely be close to each other in front to each other impacting type drying unit.And the rear portion of corresponding impacting type drying unit along the longitudinal direction preferably has conical by its shape, makes corresponding impacting type drying unit to hold with the layout of saving the space.
Claims (15)
1. device (1) that is used to produce pulp web (3); Said pulp web (3) utilizes impacting type drying device (5) to carry along transport path (Tw) by said device (1); Said impacting type drying device (5) has: the impacting type drying unit (9) that second of the impacting type drying unit (7) of the impacting type drying unit (7) of first elongation and contiguous said first elongation extends, and wherein each drying unit all has and is arranged in corresponding said impacting type drying unit (5; Two impact surfaces (11,13 on the opposite side of longitudinal axis 7) (L); 15,17), and wherein each drying unit all has its oneself supports fabrics (19; 21); It is supported on said pulp web (3) on the side from a side, and each drying unit in the said drying unit all has the impacting type drying machine (39 that points at least one impact surface in corresponding said two impact surfaces (11,13,15,17); 41), so as can said pulp web (3) back to said supports fabrics (18; 21) has direct influence on that side; The said longitudinal axis (L) of the wherein said first and second impacting type drying units (7,9) with respect to the horizontal plane (HE) is arranged to 35 °-55 °, is preferably 40 °-50 °, more preferably is approximate 45 ° angle of inclination; (L) wherein along the longitudinal direction, the said first and second impacting type drying units (5,7) are arranged such that their front portion (31; 33) face each other, and the wherein said first and second impacting type drying units (7,9) are from they front portions (31 separately; 33) beginning is extended in the vertical direction direction opposite with the horizontal direction upper edge along their longitudinal directions (L) separately, perhaps from they front portions (31 separately; 33) beginning along their longitudinal direction (L) in the vertical directions separately along opposite direction and in the horizontal direction the identical direction in upper edge extend.
2. device according to claim 1 (1), the parallel basically layout of longitudinal axis of the longitudinal axis (L) of the wherein said first impacting type drying machine (7) and the said second impacting type drying machine (9).
3. device according to claim 1 and 2 (1), the wherein said first and second impacting type drying units (7; 9) corresponding said supports fabrics (19; 21) at two corresponding impact surfaces (11,13; 15, arrange extension along said transport path with protrusion 17).
4. according to the described device (1) in claim 1 or 2, the wherein said first and second impacting type drying units (7; 9) corresponding said supports fabrics (19; 21) along the circuit cycle of protruding basically.
5. according to the described device (1) in the claim 1 to 4, it additionally has press section (43), and wherein said impacting type drying unit (5) just in time is arranged in said press section (43) afterwards along said transport path (Tw).
6. according to the described device (1) in the claim 1 to 5; It additionally has dryer section (61); Said dryer section (61) has and is arranged to single and/or double a plurality of dryings (67); Wherein said impacting type drying device (5) or other such impacting type drying device (5) are arranged in said dryer section (61) before along said transport path (Tw) with being right after, perhaps are arranged in the said dryer section (61), between said drying.
7. according to the described device (1) in the claim 1 to 6; It additionally has application head; Said application head be used for the medium such as impregnating agent and/or sizing material apply or be incorporated into said pulp web (3) is gone up or said pulp web (3) in, wherein said impacting type drying device (5) or other such impacting type drying device (5) just in time are arranged in after the said application head along said transport path (Tw).
8. according to the described device (1) in the claim 1 to 7; The wherein said first impacting type drying unit (7) is arranged in the said second impacting type drying unit (9) before along said transport path; And the wherein said first impacting type drying unit (7) from its front portion along its longitudinal direction (L) with respect to the horizontal plane (HE) on an inclined-plane to extending below and extend to the rear portion, or on an inclined-plane, extend upward and extend to the rear portion.
9. according to the described device (1) in the claim 1 to 8; The said impacting type drying machine (39) of the wherein said at least first impacting type drying unit (7) points to whole both sides of corresponding said two impact surfaces (11,13); So that said pulp web (3) on that side of said supports fabrics, have direct influence, and on that side that is covered by said supports fabrics (19) of said pulp web (3), have remote-effects through said supports fabrics (19).
10. according to the described device (1) in the claim 1 to 9, wherein said supports fabrics (19; 21) be designed to have the silk ribbon of perforation or another kind of opening.
11. according to the described device (1) in the claim 1 to 10, wherein said pulp web (3) is at corresponding said impacting type drying unit (7; 9) in by corresponding said supports fabrics (19; 21) support continuously.
12. according to the described device (1) in the claim 1 to 11; Wherein except that said impacting type drying device (5); Along said transport path (Tw) arrange one by one a plurality of such, be preferably similar impacting type drying device (5), the preferably parallel basically layout of said longitudinal axis (L) of wherein all said impacting type drying units (7,9,73,75).
13. according to the described device (1) in the claim 1 to 12, the wherein said first and second impacting type drying units (7; 9) respectively has pulp web acceptance point (53; 57), said pulp web (3) is at said pulp web acceptance point (53; 57) locate to be transferred to corresponding said impacting type drying unit (7; 9) corresponding suitable said supports fabrics (19; 21), wherein said pulp web acceptance point (53; 57) be positioned at corresponding said impacting type drying unit (7; 9) said front portion (31; 33).
14. according to the described device (1) in the claim 1 to 13, the wherein said first and second impacting type drying units (7,9) respectively have pulp web point of release (55; 59), said pulp web (3) is at said pulp web point of release (55; 59) locate to be with from corresponding said impacting type drying unit (7; 9) corresponding suitable said supports fabrics (19; 21), wherein said pulp web point of release (55; 59) be positioned at corresponding said impacting type drying unit (7; 9) said front portion (31; 33).
15. according to the described device (1) in the claim 1 to 14, wherein along corresponding said impacting type drying unit (7; 9; 73; 75) said longitudinal direction (L), corresponding said impacting type drying unit (7; 9; 73; 75) said front portion (31; 33) be designed to towards its end convergent.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA1107/2009 | 2009-07-15 | ||
| AT0110709A AT508471B1 (en) | 2009-07-15 | 2009-07-15 | DEVICE FOR PRODUCING A FIBROUS WEB |
| PCT/AT2010/000229 WO2011006176A1 (en) | 2009-07-15 | 2010-06-23 | Device for producing a fibrous web |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102472011A true CN102472011A (en) | 2012-05-23 |
Family
ID=43334377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080031494XA Pending CN102472011A (en) | 2009-07-15 | 2010-06-23 | Device for producing a fibrous web |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20120125555A1 (en) |
| EP (1) | EP2454412A1 (en) |
| CN (1) | CN102472011A (en) |
| AT (1) | AT508471B1 (en) |
| WO (1) | WO2011006176A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9829668B2 (en) * | 2013-08-23 | 2017-11-28 | CommScope Connectivity Belgium BVBA | Pass-through assembly having an anchor member and a cover |
| DE102022127695A1 (en) | 2022-10-20 | 2024-02-29 | Voith Patent Gmbh | Machine and method for producing or treating a corrugated base paper web with shortened drying fabrics |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020002779A1 (en) * | 2000-05-31 | 2002-01-10 | Juhani Pajula | Dryer group in a dryer section of a paper or board machine and a dryer section of a paper or board machine |
| CN1802468A (en) * | 2003-05-08 | 2006-07-12 | 美卓造纸机械公司 | Method for control of the curl of paper in the treatment of surface-sized paper, and finishing section of a paper machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19944266A1 (en) | 1999-09-15 | 2001-03-22 | Voith Paper Patent Gmbh | Paper/cardboard web drying station has the web carried between two blankets in a serpentine path with separation of the outer blanket at the deflection point between drying sections for positive web guidance at high speeds |
| DE10024358A1 (en) | 2000-05-17 | 2001-11-22 | Voith Paper Patent Gmbh | Dryer section |
| DE102005029378A1 (en) * | 2005-06-24 | 2007-01-04 | Voith Patent Gmbh | Hot air dryer used in papermaking industry, includes continuously-recirculating support belt between main belt and suction unit |
| DE102007026931A1 (en) | 2007-06-12 | 2008-12-18 | Voith Patent Gmbh | drying section |
| DE102007038133A1 (en) | 2007-08-13 | 2009-02-19 | Voith Patent Gmbh | Fibrous material web e.g. paper web, producing device, has strip, which is bent upwards around guide roller, guided downwards by forming two drying passages and bent downwards relative to vertical |
-
2009
- 2009-07-15 AT AT0110709A patent/AT508471B1/en active
-
2010
- 2010-06-23 WO PCT/AT2010/000229 patent/WO2011006176A1/en active Application Filing
- 2010-06-23 CN CN201080031494XA patent/CN102472011A/en active Pending
- 2010-06-23 EP EP10737229A patent/EP2454412A1/en not_active Withdrawn
- 2010-06-23 US US13/384,311 patent/US20120125555A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020002779A1 (en) * | 2000-05-31 | 2002-01-10 | Juhani Pajula | Dryer group in a dryer section of a paper or board machine and a dryer section of a paper or board machine |
| CN1802468A (en) * | 2003-05-08 | 2006-07-12 | 美卓造纸机械公司 | Method for control of the curl of paper in the treatment of surface-sized paper, and finishing section of a paper machine |
Also Published As
| Publication number | Publication date |
|---|---|
| AT508471B1 (en) | 2012-01-15 |
| WO2011006176A1 (en) | 2011-01-20 |
| EP2454412A1 (en) | 2012-05-23 |
| US20120125555A1 (en) | 2012-05-24 |
| AT508471A1 (en) | 2011-01-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120523 |