EP2707543A1 - Enduction par rouleau résistante à la corrosion - Google Patents

Enduction par rouleau résistante à la corrosion

Info

Publication number
EP2707543A1
EP2707543A1 EP12715055.5A EP12715055A EP2707543A1 EP 2707543 A1 EP2707543 A1 EP 2707543A1 EP 12715055 A EP12715055 A EP 12715055A EP 2707543 A1 EP2707543 A1 EP 2707543A1
Authority
EP
European Patent Office
Prior art keywords
coating
stainless steel
spray coating
thermal spray
roll
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.)
Granted
Application number
EP12715055.5A
Other languages
German (de)
English (en)
Other versions
EP2707543B1 (fr
Inventor
Alexander Etschmaier
Jürgen ANGERLER
Hasso Jungklaus
Goar Hesselmann
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 Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2707543A1 publication Critical patent/EP2707543A1/fr
Application granted granted Critical
Publication of EP2707543B1 publication Critical patent/EP2707543B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • D21F1/36—Guiding mechanisms
    • D21F1/40—Rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/08—Pressure rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0246—Hard rolls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/4956—Fabricating and shaping roller work contacting surface element
    • Y10T29/49563—Fabricating and shaping roller work contacting surface element with coating or casting about a core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12049—Nonmetal component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12542—More than one such component
    • Y10T428/12549—Adjacent to each other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12556—Organic component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12556—Organic component
    • Y10T428/12569—Synthetic resin

Definitions

  • the present invention relates to corrosion resistant coatings of rolls for use in paper machines.
  • thermal hard metal spray coatings takes place in several strokes, ie in several sub-layers to ensure the physical homogeneity of the coating.
  • Thermally sprayed hard metal coatings are characterized by good corrosion protection and high abrasion resistance.
  • the liability incurred during a Textilpro ⁇ production impurities in hard metal tallober lake comparatively small, so that they are relatively easy to clean by doctoring.
  • the production of thermal hard metal spray coatings is very expensive compared to the chrome plating.
  • An appropriate corrosion protection can be achieved with a procedural ren that includes steps for providing Stel ⁇ len a device for the thermal spray coating, for providing a stainless steel material for coating at least a portion of the surface of the roll component by applying the stainless steel material by using the apparatus for thermal Spray coating, and for sealing the applied coating with a polymeric material.
  • the polymeric material for sealing the spray coating comprises an epoxy resin, which wets a stainless steel surface in the non-crosslinked as well as in the partially crosslinked state well and thus guarantees a solid cohesive connection. Furthermore, the good wettability also tends to cause the resin to penetrate and fully fill the recesses of the surface so that voids do not form at the interface of the sprayed coating with the polymeric sealing layer.
  • guide the polymeric material to seal the spray coating comprises a silicone polyester resin, which combines a good wetting of stainless steel injection layers with a non-stick and soil-repellent effect.
  • fillers can be embedded in the polymeric material of the sealing ⁇ layer to an improve- tion of the non-stick and dirt-repellent properties to achieve its surface.
  • ⁇ forms thereof are preferably Mate ⁇ rials used for the fillers include polyfluoroethylene, and especially polytetrafluoroethylene.
  • the fillers in the form of particles and in particular in the form of particles with average diameters in the range of 0.1 to 5 ⁇ embedded in the polymeric base material of the seal.
  • the highly schematic cross-sectional view of Fi gur 1A shows a detail of a provided with a korrosionsge ⁇ protected surface roll component 10.
  • the disclosed embodiment of a roll component shown has a roller core 1, on the surface thereof a force applied by a spray coating 4 and a subsequent Versie- 3 formed corrosion protection layer 5 is arranged.
  • the corrosion protection layer 5 preferably covers all le surface areas of the roll component 10, which are exposed to the corrosive media occurring during normal use of the roller.
  • the spray coating 4 is constructed in the illustrated embodiment of individual stainless steel particles 2, the form-fitting anei ⁇ adjacent to form a closed and thus dense layer.
  • a correspondingly corrosion-resistant roller is suitable for.
  • B. for use as a guide roll for screens or felts in papermaking machines.
  • the stainless steel material of the spray coating 4 is preferably a stainless chromium-nickel steel having a composition according to one of the material numbers 1.4401 (short name: X5CrNiMol7-12-2), 1.4404 (short name: X2CrNiMol7-12-2), 1.4406 (short name: X2CrNiMoN17-ll -2), 1.4435 (short name: X2CrNiMol8-14-3), 1.4436 (short name: X3CrNiMol7-13-3) or 1.4440 (short name: X2CrNiMol9-12), which are distinguished by their high resistance to corrosion and acids.
  • the steel types mentioned also meet the standards 316 and 316 L of the American Iron and Steel Institute (AISI).
  • the wire-shaped spray or coating material melts with an electric arc, while high-speed flame spraying melts the sprayed material particles in the high-velocity fuel-oxygen flame and laser spraying with the laser beam.
  • high-speed flame spraying melts the sprayed material particles in the high-velocity fuel-oxygen flame and laser spraying with the laser beam.
  • other than the exemplified thermal spray coating can be used.
  • step S2 of the illustrated in Figure 2A the method for applying a corrosion protective coating on a roller component of the spray material is provided in form of a precious ⁇ steel material, preferably Vietnameseros- tend stainless steels are used, such as chromium-nickel steels of the AISI standard 316 L or 316, which are also designated with the material numbers 1.4401, 1.4404, 1.4406, 1.4435, 1.44036 or 1.4440.
  • the form in which the spray material is provided depends on the device used for coating. In arc spraying the coating material is provided at ⁇ play, in the form of wire, the high velocity flame spraying in powder form.
  • the order of magnitude of the mean particle sizes of such powders is selected as a function of the desired coating thickness and can, for example, be about 50 ⁇ m for coating thicknesses of approximately 100 to a few 100 ⁇ m, since the particles are flattened when they strike the workpiece surface.
  • a surface or part of a surface of the workpiece 10 is coated with the spray material using the apparatus in step S3.
  • the application of the spray material is preferably carried out in several strokes.
  • the number of strokes was governed by the process parameters set on the coating apparatus, possibly the size of the powder particles, the distance between the workpiece and the part of the apparatus emitting the spray material and the desired coating thickness.
  • the porosity of the spray coating may also be influenced by the process parameters of the coating process, whereby in particular ⁇ sondere can be achieved with the high-speed flame spraying porosities of less than 0.5%.
  • porosity here is the area fraction to be understood, which is taken in a penetrating the investigated material transverse grinding of the cavities contained therein.
  • step S3 The stainless steel sprayed coating applied in step S3 is finally sealed in step S4 by applying a polymeric material, after which the anticorrosive coating process is completed in step S5, apart from possible surface finishing.
  • Thermal spray coating processes are characterized by the possibility of coating layers with very low porosity, that is, with a few in the coating material to manufacture out ⁇ formed cavities.
  • the individual cavities are not usually associated with each other so that the pores do not create passages from the surface of Be ⁇ coating to the surface of the base material, could be done about the penetration electrolytically acting substances. Made accordingly coatings are therefore dense for the process water and vapors associated with papermaking.
  • thermosets and thermoplastics which can be prepared on the basis of one-component and two-component systems are suitable as the polymeric material for forming the seal.
  • Particularly suitable are Duro ⁇ plaste whose decomposition temperature is so far above the operating temperature of the roll component 10, that the thermoset behaves elastically.
  • thermoplastics are those whose glass transition temperature is so far above the temperature of use of the roller component 10 that when used with the polymer of the sealed injection layer 4 no disturbing softening of the poly ⁇ mers can occur.
  • U.N- ter operating temperature is the operating temperature of the roller component 10 during the intended use of the blade to understand.
  • a spraying material formed by a steel according to AISI standard 316 L is applied in four strokes on the surface of a steel roll core to Ausbil ⁇ tion of about 90 ⁇ thick spray coating using a high speed flame spray device "Diamond Jet Hybrid ® " (DJ2600).
  • the resulting thermal spray coating is then sealed with a colorless two-component epoxy resin-based system.
  • Figure 1B in the same view as in Figure 1A, a second embodiment of the invention is shown. Compared with the embodiment variant shown in FIG. 1A, here an additional second coating 6 is provided, which is arranged on the spray coating 4 and provides the function of compacting the stainless steel particles 2. This embodiment is particularly suitable for use in highly loaded positions appropriate.
  • step S6 a further 1 to 3 strokes of cemented carbide are applied.
  • the same methods as for the application of the spray coating 4 offer, which is why it is possible to dispense with a repetitive Be ⁇ description at this point.
  • the preferred embodiment is tungsten carbide.
  • this carbide layer is not a dense, CLOSED ⁇ sene layer, but compressed by the high density of the tungsten, for example, the underlying layer such that it can be assumed that an increased corrosion resistance.
  • the invention described enables effective, long-lasting and cost-effective corrosion protection of roll components, rolls and in particular guide rolls for use in paper machines.

Landscapes

  • Coating By Spraying Or Casting (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

L'invention concerne un procédé pour appliquer une enduction de protection contre la corrosion sur un élément rouleau, comprenant les étapes consistant à avoir recours à un dispositif d'enduction par pulvérisation thermique, à avoir recours à un matériau acier spécial pour enduire au moins une partie de la surface de l'élément rouleau par application du matériau acier spécial à l'aide du dispositif d'enduction par pulvérisation thermique, et pour sceller l'enduction appliquée avec un matériau polymère. L'invention concerne également des rouleaux et des éléments rouleaux dotés d'une enduction par pulvérisation thermique d'acier spécial, qui est scellée avec un matériau polymère.
EP12715055.5A 2011-05-13 2012-04-10 Rouleau de guidage avec revêtement résistant à la corrosion Active EP2707543B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011075810A DE102011075810A1 (de) 2011-05-13 2011-05-13 Korrosionsbeständige walzenbeschichtung
PCT/EP2012/056422 WO2012156152A1 (fr) 2011-05-13 2012-04-10 Enduction par rouleau résistante à la corrosion

Publications (2)

Publication Number Publication Date
EP2707543A1 true EP2707543A1 (fr) 2014-03-19
EP2707543B1 EP2707543B1 (fr) 2015-03-04

Family

ID=45976360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12715055.5A Active EP2707543B1 (fr) 2011-05-13 2012-04-10 Rouleau de guidage avec revêtement résistant à la corrosion

Country Status (5)

Country Link
US (1) US9322132B2 (fr)
EP (1) EP2707543B1 (fr)
CN (1) CN103534410A (fr)
DE (1) DE102011075810A1 (fr)
WO (1) WO2012156152A1 (fr)

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DE202012012593U1 (de) * 2012-08-02 2013-09-16 Voith Patent Gmbh Walze für eine Trockenpartie einer Maschine zur Herstellung einer Faserstoffbahn
WO2015000642A1 (fr) * 2013-07-04 2015-01-08 Voith Patent Gmbh Garniture de rouleau à faible énergie de surface
US9963395B2 (en) 2013-12-11 2018-05-08 Baker Hughes, A Ge Company, Llc Methods of making carbon composites
US9325012B1 (en) 2014-09-17 2016-04-26 Baker Hughes Incorporated Carbon composites
US10315922B2 (en) 2014-09-29 2019-06-11 Baker Hughes, A Ge Company, Llc Carbon composites and methods of manufacture
US10480288B2 (en) 2014-10-15 2019-11-19 Baker Hughes, A Ge Company, Llc Articles containing carbon composites and methods of manufacture
US9962903B2 (en) 2014-11-13 2018-05-08 Baker Hughes, A Ge Company, Llc Reinforced composites, methods of manufacture, and articles therefrom
US9745451B2 (en) 2014-11-17 2017-08-29 Baker Hughes Incorporated Swellable compositions, articles formed therefrom, and methods of manufacture thereof
US11097511B2 (en) * 2014-11-18 2021-08-24 Baker Hughes, A Ge Company, Llc Methods of forming polymer coatings on metallic substrates
US9726300B2 (en) 2014-11-25 2017-08-08 Baker Hughes Incorporated Self-lubricating flexible carbon composite seal
US9714709B2 (en) 2014-11-25 2017-07-25 Baker Hughes Incorporated Functionally graded articles and methods of manufacture
US10300627B2 (en) 2014-11-25 2019-05-28 Baker Hughes, A Ge Company, Llc Method of forming a flexible carbon composite self-lubricating seal
US9840887B2 (en) 2015-05-13 2017-12-12 Baker Hughes Incorporated Wear-resistant and self-lubricant bore receptacle packoff tool
US10161082B1 (en) * 2015-07-03 2018-12-25 Fluoron Inc. Contact surface having a composite release layer and method of making
CN105625081B (zh) * 2016-03-17 2017-05-10 安徽山鹰纸业股份有限公司 造纸机湿部导辊及其运用
US10125274B2 (en) 2016-05-03 2018-11-13 Baker Hughes, A Ge Company, Llc Coatings containing carbon composite fillers and methods of manufacture
US10344559B2 (en) 2016-05-26 2019-07-09 Baker Hughes, A Ge Company, Llc High temperature high pressure seal for downhole chemical injection applications
CN106111486A (zh) * 2016-07-04 2016-11-16 深圳市星源材质科技股份有限公司 一种防止滚筒表面粘附的处理方法
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Also Published As

Publication number Publication date
DE102011075810A1 (de) 2012-11-15
WO2012156152A1 (fr) 2012-11-22
US20140127526A1 (en) 2014-05-08
EP2707543B1 (fr) 2015-03-04
CN103534410A (zh) 2014-01-22
US9322132B2 (en) 2016-04-26

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