CN201648847U - Machine for manufacturing sheet materials - Google Patents

Machine for manufacturing sheet materials Download PDF

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Publication number
CN201648847U
CN201648847U CN2009201666940U CN200920166694U CN201648847U CN 201648847 U CN201648847 U CN 201648847U CN 2009201666940 U CN2009201666940 U CN 2009201666940U CN 200920166694 U CN200920166694 U CN 200920166694U CN 201648847 U CN201648847 U CN 201648847U
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CN
China
Prior art keywords
machine
band
supporting structure
described machine
fibrous material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2009201666940U
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Chinese (zh)
Inventor
罗伯特.克鲁克
阿维德.韦斯特坎普
罗伯特.埃伯哈特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
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Filing date
Publication date
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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts
    • D21F7/083—Multi-layer felts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/12—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0036—Multi-layer screen-cloths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
    • B32B2264/0214—Particles made of materials belonging to B32B27/00
    • B32B2264/0221—Thermoplastic elastomer particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
    • B32B2264/0214—Particles made of materials belonging to B32B27/00
    • B32B2264/0228—Vinyl resin particles, e.g. polyvinyl acetate, polyvinyl alcohol polymers or ethylene-vinyl acetate copolymers
    • B32B2264/0235—Aromatic vinyl resin, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
    • B32B2264/0214—Particles made of materials belonging to B32B27/00
    • B32B2264/0257—Polyolefin particles, e.g. polyethylene or polypropylene homopolymers or ethylene-propylene copolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
    • B32B2264/0214—Particles made of materials belonging to B32B27/00
    • B32B2264/0264—Polyamide particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
    • B32B2264/0214—Particles made of materials belonging to B32B27/00
    • B32B2264/0292—Polyurethane particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/704—Crystalline
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The utility model relates to a machine for manufacturing sheet materials and particularly for manufacturing paper or card paper. The machine comprises a squeezing portion and a band (10), wherein the squeezing portion is provided with at most two squeezing areas, and the band (10) can penetrate through the squeezing portion in a circular allocation manner. The band (10) comprises a supporting structure (12), a sheet material contacting side (18) of the supporting structure (12) is provided with filaments (14, 16), fiber materials (22, 24) and an elastomer polymer material (26), wherein the filaments (14, 16) basically extend along a longitudinally direction and a transverse direction of the band, the fiber materials (22, 24) are connected with the supporting structure (12), the elastomer polymer material (26) is distributed in the fiber materials (22, 24), and the elastomer polymer material and fibers of the fiber materials (22, 24) together form a composite structure capable of being permeated by fluid, and the mass of the elastomer polymer material (26) is 50-500g/m2 and is 80-240g/m2 preferably.

Description

Make the machine of flaky material
Technical field
The utility model relates to a kind of manufacturing flaky material, the especially machine of paper or ivory board.
Background technology
Use the band of so-called extruding felt in the drying section of paper machine or press section, they contact with the flaky material that will make also and move by press. nips with it.By the extruding force that in press. nips, causes, liquid is extruded from the flaky material that will make.Liquid should be absorbed in the extruding felt, that is with band that the flaky material that will make contact in, and by its discharge.Therefore for this band, not only requirement can also can be discharged liquid-absorbent on the surface that contacts with sheet material backward, and band also must be during long as far as possible working life, bear in a press. nips or a plurality of in case of necessity in succession press. nips each other in the physics load that produces.Meanwhile, band should be as far as possible along its whole width, that is in macro-scope, with the same in the microcosmic scope, surface characteristics or dehydration feature is as far as possible uniformly arranged.
By the extruding felt that the known a kind of paper machine of WO2004/085727A2 is used, it comprises that for example acupuncture is at the fibrous material layer that is designed on the supporting structure of fabric.In fibrous material layer, the elastomeric polymer materials graininess adds by a kind of minute bulk cargo of coating.Polymeric material is connected by heat fused and with the fiber of fibrous material, thereby constitutes a kind of composite construction.In composite construction, each fiber of fibrous material by the fusing and again the cured polymer material be connected to each other.Yet this moment, polymeric material was not filled in the space that forms in the polymeric material fully, so the composite construction that is made of the fiber of elastomeric polymer materials and fibrous material is still porous generally, that is to say, can permeate the fluid that will deviate from from the flaky material of making, generally be water.
The utility model content
The purpose of this utility model is, the machine of a kind of manufacturing flaky material, especially paper or ivory board is provided, and it has at least one band, can be very sturdy and durable though this band thickness is less, and have very uniformly fluid discharge characteristic along the entire belt surface.
Press the utility model first aspect, this purpose is by a kind of manufacturing flaky material, especially the machine of paper or ivory board reaches, it has a band that comprises a kind of supporting structure, this supporting structure has the silk thread of vertical along band basically and band horizontal expansion at its sheet material contact side, and has a fibrous material that is connected with this supporting structure, wherein, in fibrous material, lay elastomeric polymer materials, the fiber of it and fibrous material constitutes the composite construction of fluid permeable jointly, wherein, the quality of elastomeric polymer materials is at 50-500g/m 2, preferably at 80-240g/m 2In the scope.
Be in polymeric material in the above-mentioned quantitative range by use, guaranteeing also thereby in the composite construction of fluid permeable has under the situation of enough liquid absorption capacities in porous, can keep the gross thickness of band thinner, but meanwhile can bear the load that when band pushes, occurs between two pressure roller.
In order the band of machine to be designed thin as far as possible, advise that also fibrous material is designed to the maximum 600g/m of quality 2This fibrous material can be connected with supporting structure by acupuncture, and can for example constitute felted or nonwoven fabric shape.
In order to provide composite construction, advise that also elastomeric polymer materials comprises with required flexible fluid permeable by being connected with the fiber of fibrous material:
-polyurethane material, or/and
-polyurea materials, or/and
-styrene butadiene-block copolymer material, or/and
-polypropylene material, or/and
-fatty polyamide material.
Be also pointed out that here polymeric material can form with homogenous material, but can certainly comprise their mixture.
Preferably, the silk thread of supporting structure can be at least 80cN/tex (li ox/Tekes) by a kind of fracture strength, and the material that especially is at least 100cN/tex constitutes.Because in pressing band of the present utility model, for the silk thread of supporting structure employing by ultrastrength material system with the elastic modelling quantity in described scope, that is employing can more advantageously increase pulling load and press the silk thread of loading, so under the situation that this supporting structure designs very thinly, can be not only vertical along band, and the edge band laterally reaches very high intensity.Simultaneously, need not to thicken entire belt in this way, volume that just can the increased fiber material is discharged ability thereby improve fluid.Meanwhile, by adopt superhigh intensity and thereby also design carefullyyer silk thread, can obtain a kind of more smooth supporting structure, it advantageously improves the surface quality of entire belt.
A particularly advantageous design can stipulate, supporting structure by
-have a polythene material of super high molecular weight, or/and
-aromatic polyamides material, or/and
-liquid crystal material, or/and
-efficient polyamide material
The silk thread of system constitutes.
Certainly, can adopt the silk thread by different materials system in same supporting structure, for example basically along the silk thread of band longitudinal extension with along the silk thread of being with horizontal expansion, can be made of same material respectively this moment.
In addition, supporting structure can contain nylon yarn, and can be designed as fabric or non-woven plain cloth.
Can stipulate that in order to constitute elastomeric polymer materials is inserted in the fibrous material with particle form by the band of machine of the present utility model, and with the fiber of fibrous material by pressurization and/or heat and make the composite construction of described fluid permeable.
Band by machine of the present utility model preferably can have fluid permeability in 1-200cfm (cubic feet/every square metre and per minute) scope, and thickness is less than 3.5mm, preferably less than 2.5mm.
A particularly preferred design can be stipulated, establishes the essentially identical band of two-strip structure in the flaky material both sides that will make.
By a preferred aspect of the present utility model, machine has two press. nips, and wherein at least one press. nips is the shoe-press nip.
By another kind of alternative design form, the press section of machine has only single press. nips, and it preferably is made of the shoe-press nip.
This machine is specially adapted to greater than 1600m/min, be preferably more than 1800m/min, most preferably produce drawing paper greater than the speed of 2000m/min, and be applicable to greater than 1400m/min, be preferably more than 1600m/min, most preferably greater than the paper of the speed production other types of 1800m/min.
Description of drawings
Referring to description of drawings the utility model.Wherein:
Fig. 1 represents that a kind of confession is used to make flaky material by of the present utility model, and for example the principle profile of the used band of the machine of paper is in the interstage that band is made here; And
Fig. 2 represents that the sheet material of finished product band contacts the vertical view of a side surface.
The specific embodiment
Fig. 1 is for example with representing along the vertical section of band longitudinally cutting totally with 10 bands of representing, it is as so-called extruding felt, can use in the drying section of paper machine or similar devices and press section.Fig. 1 represents to be in a kind of intermediateness that its manufacture process reaches with 10.
Be with 10 to comprise supporting structure 12, it is by constituting along the silk thread 14 that extends with vertical MD with along the silk thread 16 of being with horizontal expansion.Supporting structure 12 can constitute fabric or non-woven plain cloth by silk 14,16.These silks 14,16 are used ultrastrength material, preferably fracture strength is at least 80cN/tex, especially the polymeric material that is at least 100cN/tex constitutes, even so that mode is less and when correspondingly supporting structure 12 is thin, not only along laterally all obtaining high intensity with vertical MD but also along it at the silk section ratio thus.As the structural material of silk 14 or 16, can for example use polythene material with super high molecular weight, for example the trade (brand) name or the trade mark are the material that Tensylon can buy.Also can be for silk 14 or 16 adopt the aromatic polyamides material, for example Kevlar (trade (brand) name or the trade mark), or liquid crystal material, for example Vectran (trade (brand) name or the trade mark) can adopt high-effect polyamide material equally.By adopting these materials, can constitute a kind of extremely thin structure that high porosity is arranged by unique one deck, because be based upon the structural material that silk 14,16 uses superhigh intensity, so they not only can make smaller diameter, and along with vertical MD or also only must have limited quantity along the silk that will lay with horizontal unit are or length.In order further to improve dynamic characteristic and to reduce production costs, silk 14 or 16 can make up with nylon yarn.
Here should point out, in same supporting structure 12,,, certainly, consider to adopt different fibrous materials respectively according at concrete Application Areas requirement equally for silk 16 for silk 14.
At the sheet material contact side 18 of supporting structure 12, be provided with the fibrous material that overall usefulness 20 is represented, for example nonwoven fabric shape or felt-like material.In illustrated embodiment, it is to comprise two- layer 22,24 double-decker, and here for example this two- layer 22,24 can be designed as mutually the samely, or also can be designed as differently, especially different porositys can be arranged.Certainly, also can establish more multi-layered fibrous material more than illustrated two- layer 22,24, can only establish unique one deck equally.
Fibrous material 20 preferably is made of nylon fiber, and is connected with supporting structure 14 by acupuncture.Be connected with the effective of supporting structure 14 in order to obtain in this case, acupuncture can be adopted particular design, and for example the teardrop shaped glochild designs, and also can avoid damaging the filament 14,16 of supporting structure 12 thus.This fibrous material 20 preferably quality is no more than 600g/m 2
In fibrous material 20, lay totally with 26 elastomeric polymer materials of representing.In with 10 manufacture process, on the sheet material contact side 18 that fibrous material 20 is located at supporting structure 12 and where necessary also after the machine contact side 28 of supporting structure 12 is provided with fibrous material 30, described elastomeric polymer materials 26 is set, for example adds the fibrous material 20 from sheet material contact side 18.For this reason, can be for example by sprinkling, roll extrusion, edge of a knife coating, foam application, solidify or pad coating or other applicable technologies, for the sheet material contact surface 34 of fibrous material 20 applies a kind of preferred watery dispersed material or dispersant that comprises elastomeric polymer materials particle 32.The described dispersed material that has particle 26 moves in the containment volume of fibrous material 20, and the elastomeric polymer materials particle of preferably forming with thermoplastic 26 enters in the network structure of fibrous material 20, at this moment, most of particle 26 is stayed fibrous material 20 near in the containment volume of sheet material contact surface 34.Yet particle also may move in the darker zone inwards, might move in the zone of supporting structure 12 always.
As the material that is specially adapted to particle 26, confirmed it is polyurethane material, polyurea materials, styrene butadiene-block copolymer material, polyetheramides-block copolymer material, polypropylene, fatty polyamide already, for example PA 11 or PA 12.The size of particle 26 preferably is adjusted into, and when applying with dispersed material, the size that at least 50% particle is arranged is in the 50nm-150 mu m range.With Powdered, that is dry basically form is when applying, particle half should have the size in 20 μ m-200 mu m ranges at least.
In particle 26 adds fibrous materials 20, and after the form with dispersed material added the fashionable liquid that for this reason uses and also extracts out basically, particle also heated under pressure where necessary, makes it fusing.Particle soaks into the fiber surface of fibrous material 20 in this process, or around these fiber movements, thereby especially in fiber intersection points, make fiber realize firm grappling each other.Here, for example also can in burnishing process,, the granular materials that melts be distributed by being with applied pressure on 10 this moment, thereby especially also be formed on the direct contact between the particle of fusing, and when cooling subsequently, between them, form firmly and connect.
Can produce in this way and a kind ofly be with 10, exist by this way at its fibrous material 20 interpolymer materials 26, that is, the particle that exists also constitutes a kind of composite construction that many spaces 36 are arranged from now on mutually and with the fiber of fibrous material 20 in advance.Can absorb liquid from being located at the flaky material that to make on the sheet material contact surface 34 by these spaces 36, and pass entire belt 10 and carry.
Therefore, use the structural material of introducing above by supporting structure 12 on the one hand, and the elastomeric polymer materials in fibrous material 20 26 on the other hand, obtain a kind ofly being with 10, even it is less than 3.5mm, preferably less than 2.5mm than under the minimal thickness situation, also can outstanding intensity be arranged in the 1-200cfm scope still obtaining Test Liquid Permeability of Core, and thereby be particularly suitable for especially high-speed applications, for example be particularly suitable for being applied in greater than 1600m/min, be preferably more than 1800m/min, most preferably produce in the machine of drawing paper greater than the speed of 2000m/min.
For other application, velocity interval should be preferably more than 1600m/min greater than 1400m/min, most preferably greater than 1800m/min.In these are used and in order to obtain permeability described above, regulation in fibrous material 20 or in entire belt 10, exists quality at 50-500g/m 2, preferably at 80-240g/m 2Elastomeric polymer materials in the scope.
More than Shuo Ming band by improving the dehydration characteristic in the press. nips, has low water signature when weight is little.Proved already, when abrasion test, can see a kind of lower fiber loss, and less in whole length of life permeability and the same loss of thickness.Entire belt is high-intensity based on the structural design of supporting structure especially, and at press section high evenness and low percent ripple is arranged.By using polymeric material, not only combine the porosity that forms expectation with the fiber of fibrous material, but also constitute a kind of structural detail, no matter from still the weighing of macroscopic view, all can guarantee in press. nips pressure distribution or pressure load uniformly from the standard of microcosmic.
By can preferably in press section, using that machine of the present utility model is used with single press. nips or a tandem press. nips with 10, especially also can be used in combination with the roller surface of trough of belt, one of them press. nips can be designed to the form of shoe-press nip in this case.Can establish two this bands in this press section, they hold accepts the flaky material that remains to be made and thereby from the both sides draining.Different with it, a this band also can make up with a band with a kind of material system of the permeable or impermeable liquid that will discharge, for example with a conveyer belt combination that the polyurethane material coating is arranged.

Claims (18)

1. machine of making flaky material, include the press section of maximum two press. nips and one and can move the band (10) that passes press section by the loop configuration mode, wherein, this band (10) comprises a supporting structure (12), it is characterized in that, basically the silk thread (14 that vertical along band and band horizontal expansion are arranged at the sheet material contact side (18) of this supporting structure (12), 16), described band (10) also comprises the fibrous material (22 that is connected with this supporting structure (12), 24) and be laid in fibrous material (22,24) elastomeric polymer materials in (26), this elastomeric polymer materials (26) and described fibrous material (22,24) the common composite construction that constitutes a kind of fluid permeable of fiber, wherein, the quality of this elastomeric polymer materials (26) is at 50-500g/m 2In the scope.
2. according to the described machine of claim 1, it is characterized by, the quality of described elastomeric polymer materials (26) is at 80-240g/m 2In the scope.
3. according to the described machine of claim 1, it is characterized by, described fibrous material (22,24) is designed to the maximum 600g/m of quality 2
4. according to the described machine of one of claim 1 to 3, it is characterized by, described fibrous material (22,24) is connected with described supporting structure (12) by acupuncture.
5. according to the described machine of one of claim 1 to 3, it is characterized by, described fibrous material (22,24) constitutes felted or nonwoven fabric shape.
6. according to the described machine of one of claim 1 to 3, it is characterized by, described elastomeric polymer materials (26) comprising:
-polyurethane material, or/and
-polyurea materials, or/and
-styrene butadiene-block copolymer material, or/and
-polypropylene material, or/and
-fatty polyamide material.
7. according to the described machine of one of claim 1 to 3, it is characterized by, described silk thread is made of the material that a kind of fracture strength is at least 80cN/tex.
8. according to the described machine of one of claim 1 to 3, it is characterized by, described supporting structure (12) by
-have a polythene material of super high molecular weight, or/and
-aromatic polyamides material, or/and
-liquid crystal material, or/and
-efficient polyamide material
The silk thread of making constitutes.
9. according to the described machine of one of claim 1 to 3, it is characterized by, described supporting structure (12) contains nylon yarn.
10. according to the described machine of one of claim 1 to 3, it is characterized by, described supporting structure (12) is designed to fabric or non-woven plain cloth.
11. according to the described machine of one of claim 1 to 3, it is characterized by, described elastomeric polymer materials (26) is inserted in the fibrous material (22,24) with particle form, and with the fiber of described fibrous material (22,24) by pressurization and/or heat and make the composite construction of described fluid permeable.
12. according to the described machine of one of claim 1 to 3, it is characterized by, the fluid permeability of described band (10) is in the 1-200cfm scope.
13. according to the described machine of one of claim 1 to 3, it is characterized by, the thickness of described band (10) is less than 3.5mm.
14. according to the described machine of one of claim 1 to 3, it is characterized by, establish the essentially identical band of two-strip structure (10) in the flaky material both sides that will make.
15. according to the described machine of one of claim 1 to 3, it is characterized by, at least one press. nips is the shoe-press nip.
16. according to the described machine of one of claim 1 to 3, it is characterized by, described press section has only a unique press. nips.
17. according to the described machine of one of claim 1 to 3, it is characterized by, the speed of this production of machinery drawing paper is greater than 1600m/min, and the speed of the paper of production other types is greater than 1400m/min.
18. according to the described machine of one of claim 1 to 3, it is characterized by, this machine is a machine of making paper or ivory board.
CN2009201666940U 2008-07-10 2009-07-10 Machine for manufacturing sheet materials Expired - Lifetime CN201648847U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008040307.5 2008-07-10
DE102008040307A DE102008040307A1 (en) 2008-07-10 2008-07-10 Belt for a machine for producing web materials such as paper or cardboard, comprises a support structure with fibers on a web material contact side of the support structure with fiber materials to be connected

Publications (1)

Publication Number Publication Date
CN201648847U true CN201648847U (en) 2010-11-24

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CN2009201666940U Expired - Lifetime CN201648847U (en) 2008-07-10 2009-07-10 Machine for manufacturing sheet materials

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CN (1) CN201648847U (en)
AT (1) AT11147U1 (en)
DE (1) DE102008040307A1 (en)
FI (2) FIU20090250U0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111164260A (en) * 2017-09-29 2020-05-15 福伊特专利有限公司 Net blanket and manufacturing method thereof and fiber non-woven fabric

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0306769D0 (en) 2003-03-25 2003-04-30 Voith Fabrics Heidenheim Gmbh Composite press felt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111164260A (en) * 2017-09-29 2020-05-15 福伊特专利有限公司 Net blanket and manufacturing method thereof and fiber non-woven fabric
CN111164260B (en) * 2017-09-29 2022-02-08 福伊特专利有限公司 Net blanket and manufacturing method thereof and fiber non-woven fabric

Also Published As

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DE102008040307A1 (en) 2010-01-14
FI8643U1 (en) 2010-03-11
FIU20090250U0 (en) 2009-06-26
FIU20090271U0 (en) 2009-07-08
AT11147U1 (en) 2010-05-15

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