EP2651577A1 - Procédé et dispositif pour répandre un lubrifiant lors du laminage d'un produit laminé métallique - Google Patents

Procédé et dispositif pour répandre un lubrifiant lors du laminage d'un produit laminé métallique

Info

Publication number
EP2651577A1
EP2651577A1 EP11749856.8A EP11749856A EP2651577A1 EP 2651577 A1 EP2651577 A1 EP 2651577A1 EP 11749856 A EP11749856 A EP 11749856A EP 2651577 A1 EP2651577 A1 EP 2651577A1
Authority
EP
European Patent Office
Prior art keywords
spray
lubricant
rolling
outlet openings
rolling oil
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
EP11749856.8A
Other languages
German (de)
English (en)
Other versions
EP2651577B1 (fr
Inventor
Valentin Atalla
Jian Chen
Gernot Dirisamer
Manfred Eder
Kurt Haller
Konrad Krimpelstätter
Krzysztof Mazurowski
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.)
Primetals Technologies Austria GmbH
Original Assignee
SIEMENS VAI METALS TECHNOLOGIES GmbH
Siemens VAI Metals Technologies GmbH Austria
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 SIEMENS VAI METALS TECHNOLOGIES GmbH, Siemens VAI Metals Technologies GmbH Austria filed Critical SIEMENS VAI METALS TECHNOLOGIES GmbH
Priority to EP11749856.8A priority Critical patent/EP2651577B1/fr
Publication of EP2651577A1 publication Critical patent/EP2651577A1/fr
Application granted granted Critical
Publication of EP2651577B1 publication Critical patent/EP2651577B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
    • B05B1/046—Outlets formed, e.g. cut, in the circumference of tubular or spherical elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0884—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being aligned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • B21B45/0251—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for strips, sheets, or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes

Definitions

  • the invention generally relates to the technical field of rolling a metallic material to be rolled, in particular one in a nip between two work rolls
  • a lubricant is used.
  • liquid or gaseous treatment media are used in the rolling of metallic rolling stock, for example a metal strip, for the purpose of lubrication and cooling.
  • These treatment media vary depending on the type of rolling process: during hot rolling, where the rolling stock is heated to several 100 ° C
  • Cold rolling in which the temperature of the rolling stock before the rolling process is usually below 100 ° C, the lubrication in the nip is usually done by a cold rolling oil, in addition, a cooling liquid is used.
  • the invention is based on the object to provide a method and apparatus for applying a lubricant when rolling a metallic rolling stock, in which the lubricant consumption is minimized.
  • the medium used for roller gap lubrication is not a rolling fluid but a spray, that is to say a mixture of rolling oil and a carrier gas.
  • the lubricant is divided in an atomizer into finely distributed liquid drops and by means of the
  • Carrier gas entered into the nip can either by spraying on the surface of the work rolls, and / or on the surface of the incoming into the roll gap
  • Lubricant as a spray the lubricant consumption can be kept relatively low.
  • the droplet-form lubricant wets very selectively only ene
  • the decisive factor is merely that a sufficient amount of oil for lubrication reaches the nip; This can basically be done by spraying on the surface of the work rolls or on the surface of the incoming
  • the concentration of the lubricant in the nip is significantly higher. This increases the efficiency of the lubricant used, because just as much rolling oil passes into the rolling gap as required depending on the type of rolling stock to reduce friction in the nip is. Seen in the width direction of the rolled strip, the invention enables a uniform application of the lubricant. This reduces the risk that in the nip in the width direction different friction conditions
  • the desired final thickness of the metal is comparatively low and it can easily lead to a local breakage of the lubricating film.
  • a good surface quality of the metal strip is sought, which requires adequate lubrication in the nip.
  • Another advantage is the fact that the lubricant is used in pure form, that is not in the form of an emulsion, so that an emulsifier in the lubricant is not required. This results in the advantage that the oil is relatively easy from
  • Coolant e.g. Water
  • Coolant e.g. Water
  • Circulation can be performed.
  • Cross sections can overlap in the edge area. In this way, viewed over the width of the rolled strip, a fan-shaped overall spray can be generated, with which the lubricant homogeneous and targeted in the nip
  • spray nozzles which have at least two outlet openings. Depending on the shape of these at least two
  • Outlets can be very well a uniform surface concentration of the lubricant during the order
  • nozzles that are spherical have curved mouthpiece. On this curved
  • Mouthpiece are two with respect to an axis of symmetry
  • a spray can be formed with a comparatively small number of nozzles, which applies the lubricant evenly.
  • the cross section of these sprays
  • the spray is formed from a juxtaposition of individual spray jets, each of these spray jets in its
  • Seen width direction is approximately parallel to the axis of the two work rolls.
  • a carrier medium for the lubricant droplets can be used in a simple embodiment of the process air.
  • Figure 1 is a schematic vertical section through a
  • Roll stand the arrangement of the invention Apparatus for introducing a lubricant into the roll gap
  • Figure 2 shows a spray bar with lined up
  • Figure 3 is a sectional view of a
  • Atomizing device including spray nozzle
  • Figure 4 shows an embodiment of the mouthpiece of a spray nozzle in a spatial and in a sectional view
  • Figure 5 is a detailed view of the rolling gap lubrication in a comparative representation between lubrication with emulsion and lubrication with rolling oil.
  • FIG. 1 shows in a highly simplified representation a vertical section through a rolling stand.
  • the rolling stand consists essentially of the two work rolls 2 'and 2' ', and the respective support rollers 3' and 3 ''. in the
  • Rolling gap 8 is between the two work rolls 2 'and 2' 'a rolled strip 28 in the direction indicated by the arrow from left to right passed.
  • the device 1 according to the invention is sketched in each case on the upper side and the underside of the rolled strip 28, which sprays an atomised rolling oil in the direction of the roll gap 8. The atomization of the rolling oil takes place in one
  • Atomizing device 4 which is supplied via lines 6 and 7 rolling oil or air. As will be explained in more detail below, in the atomizing device 4 is a mixture of air and
  • Spray nozzles 5 is applied as a spray. This spray is deposited on the surface 21 of the work rolls 2 'and 2' 'and / or on the surface 23 of the rolled strip 28, whereby the desired reduction of the
  • Friction conditions in the nip 8 is effected.
  • rolling oil is collected together with the coolant and recycled by means of a conveying and reprocessing plant.
  • Each spray nozzle 5 is in each case via a first line 6 rolling oil and via a second line 7 air
  • Each spray nozzle 5 generates a spray jet 9, which is formed flat in cross section 15 seen.
  • FIG. 3 shows a sectional drawing of FIG
  • Atomizing device 4 As already stated, this atomizing device 4 in each case via a connecting line 6 rolling oil and via another connecting line 7 air
  • Apertures can be adjusted in a wide range. These orifices in the inlet of air and oil are in the
  • Atomizer 4 interchangeable. That's it possible to produce a suitable mixture of air and liquid particles as required.
  • This mixture is fed via a short connector of a spray nozzle 5.
  • the spray nozzle 5 is spherically curved in the region of an orifice 18. In the area of the spherical curvature 12, two outlet openings 10 are formed. Each of these
  • Outlet openings 10 is formed by a slot in the region of the mouth 18.
  • the preparation of this slot in the spherical curvature 10 can be easily done by a cut with a saw blade.
  • FIG. 4 shows two views of the mouthpiece 18: in the upper illustration, the mouthpiece 18 is in one
  • the mouthpiece 18 is convexly curved outwards.
  • the curvature 12 is a circular arc.
  • a corresponding curvature is also formed on the inner wall of the mouthpiece 18. At the zenith of curvature 12 are two through cuts
  • the planes of the incisions 10 are at an angle 30 to each other.
  • the slot width 14 of these cuts is advantageously between about 0.6 to 0.7 mm.
  • a spray 9 is formed, which has a flat cross-sectional area and a substantially homogeneous
  • Distribution of the lubricant concentration has.
  • Figure 5 illustrates in a highly simplified representation of the lubrication in the nip, the upper diagram shows the lubrication with emulsion according to the state of Technique, the lower illustration, the invention
  • Cost advantage Another advantage results from the greatly reduced friction in the nip, whereby the rolling forces and rolling moments for the rolling process can be reduced. Especially during cold rolling, a very good surface quality of the rolled strip can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Nozzles (AREA)

Abstract

L'invention porte sur un procédé pour répandre un lubrifiant lors du laminage d'un produit laminé métallique, en particulier d'une bande laminée (24) que l'on fait passer à travers une fente de laminage (8) entre deux cylindres de travail (2', 2''), le procédé étant caractérisé par les étapes de procédé consistant à : produire un mélange d'un lubrifiant et d'un gaz porteur dans un appareil de pulvérisation (4) ; acheminer le mélange à des buses de pulvérisation distinctes (5) d'un ensemble de buses de pulvérisation pour produire un jet de pulvérisation complet (19) qui est ininterrompu dans la direction de la largeur du feuillard ; appliquer le mélange au moyen du jet de pulvérisation complet (19) sur la surface (21) d'au moins l'un des cylindres de travail et/ou sur la surface (23) de la bande laminée (24).
EP11749856.8A 2010-12-16 2011-09-02 Procédé et dispositif pour répandre un lubrifiant lors du laminage d'un produit laminé métallique Active EP2651577B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11749856.8A EP2651577B1 (fr) 2010-12-16 2011-09-02 Procédé et dispositif pour répandre un lubrifiant lors du laminage d'un produit laminé métallique

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10195330A EP2465619A1 (fr) 2010-12-16 2010-12-16 Procédé et dispositif d'application d'un lubrifiant lors du laminage d'un produit de laminage métallique
EP11749856.8A EP2651577B1 (fr) 2010-12-16 2011-09-02 Procédé et dispositif pour répandre un lubrifiant lors du laminage d'un produit laminé métallique
PCT/EP2011/065165 WO2012079785A1 (fr) 2010-12-16 2011-09-02 Procédé et dispositif pour répandre un lubrifiant lors du laminage d'un produit laminé métallique

Publications (2)

Publication Number Publication Date
EP2651577A1 true EP2651577A1 (fr) 2013-10-23
EP2651577B1 EP2651577B1 (fr) 2015-01-28

Family

ID=44025288

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10195330A Withdrawn EP2465619A1 (fr) 2010-12-16 2010-12-16 Procédé et dispositif d'application d'un lubrifiant lors du laminage d'un produit de laminage métallique
EP11749856.8A Active EP2651577B1 (fr) 2010-12-16 2011-09-02 Procédé et dispositif pour répandre un lubrifiant lors du laminage d'un produit laminé métallique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP10195330A Withdrawn EP2465619A1 (fr) 2010-12-16 2010-12-16 Procédé et dispositif d'application d'un lubrifiant lors du laminage d'un produit de laminage métallique

Country Status (6)

Country Link
US (1) US9314827B2 (fr)
EP (2) EP2465619A1 (fr)
KR (1) KR101807527B1 (fr)
CN (1) CN103249504B (fr)
RU (1) RU2570257C2 (fr)
WO (1) WO2012079785A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3733317A1 (fr) 2019-04-30 2020-11-04 Primetals Technologies Austria GmbH Laminage d'un laminé
EP3791971A1 (fr) 2019-09-10 2021-03-17 Primetals Technologies Austria GmbH Laminage à froid d'un article à laminer dans un train de laminage pourvu d'une pluralité de cages de laminoir

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DE102008050392A1 (de) * 2008-06-18 2009-12-24 Sms Siemag Aktiengesellschaft Verfahren und Vorrichtung zum Schmieren von Walzen und eines Walzbandes eines Walzgerüsts
CN102430596A (zh) * 2010-09-29 2012-05-02 山东莱芜金石集团有限公司 表面清刷机
EP2465619A1 (fr) 2010-12-16 2012-06-20 Siemens VAI Metals Technologies GmbH Procédé et dispositif d'application d'un lubrifiant lors du laminage d'un produit de laminage métallique
GB2511512B (en) * 2013-03-05 2015-06-10 Siemens Plc Cooling device & method
EP2893986A1 (fr) 2014-01-08 2015-07-15 Siemens VAI Metals Technologies GmbH Lubrification à l'aide de buses d'injection dotées de plusieurs orifices d'entrée d'huile
CN104942031B (zh) * 2014-03-26 2017-05-31 宝山钢铁股份有限公司 一种冷轧轧制润滑剂供给方法
JP6350274B2 (ja) * 2014-12-26 2018-07-04 新日鐵住金株式会社 冷間圧延機の潤滑油供給設備
CN104985009B (zh) * 2015-07-31 2017-08-01 张正秀 一种金属板带冷轧用润滑设备、润滑方法及轧制油
CN105665177B (zh) * 2016-03-22 2018-12-14 苏州吉岛电极科技有限公司 自动喷涂机
EP3238843A1 (fr) 2016-04-29 2017-11-01 Primetals Technologies Austria GmbH Procede de laminage d'un produit de laminage
EP3251762B1 (fr) 2016-06-02 2019-08-07 Primetals Technologies Austria GmbH Dispositif de lubrification pour l'application d'un lubrifiant lors du laminage d'un produit de laminage
CN109661290A (zh) * 2016-09-23 2019-04-19 塔塔钢铁荷兰科技有限责任公司 用于运动钢带的液体辅助激光纹理化的方法和装置
EP3308868B1 (fr) * 2016-10-17 2022-12-07 Primetals Technologies Austria GmbH Refroidissement d'un rouleau d'une cage de laminoir
EP3461566A1 (fr) 2017-10-02 2019-04-03 Primetals Technologies Austria GmbH Laminage d'un laminé
EP3517228A1 (fr) 2018-01-29 2019-07-31 Primetals Technologies Austria GmbH Règles d'un processus de laminage
CN112692073B (zh) * 2020-12-27 2023-03-24 浙江传播者金属装饰材料有限公司 一种防轧机打滑装置及其使用方法
CN112453062B (zh) * 2020-12-29 2021-07-06 浙江传播者金属装饰材料有限公司 一种轧机打滑补油装置及其使用方法

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EP2465619A1 (fr) 2010-12-16 2012-06-20 Siemens VAI Metals Technologies GmbH Procédé et dispositif d'application d'un lubrifiant lors du laminage d'un produit de laminage métallique

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3733317A1 (fr) 2019-04-30 2020-11-04 Primetals Technologies Austria GmbH Laminage d'un laminé
EP3791971A1 (fr) 2019-09-10 2021-03-17 Primetals Technologies Austria GmbH Laminage à froid d'un article à laminer dans un train de laminage pourvu d'une pluralité de cages de laminoir

Also Published As

Publication number Publication date
KR20130124354A (ko) 2013-11-13
US20130298627A1 (en) 2013-11-14
US9314827B2 (en) 2016-04-19
WO2012079785A1 (fr) 2012-06-21
CN103249504B (zh) 2015-05-06
EP2651577B1 (fr) 2015-01-28
RU2013132745A (ru) 2015-01-27
KR101807527B1 (ko) 2017-12-11
EP2465619A1 (fr) 2012-06-20
RU2570257C2 (ru) 2015-12-10
CN103249504A (zh) 2013-08-14

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