EP3092088B1 - Lubrification à l'aide de buses d'injection dotées de plusieurs orifices d'entrée d'huile - Google Patents

Lubrification à l'aide de buses d'injection dotées de plusieurs orifices d'entrée d'huile Download PDF

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Publication number
EP3092088B1
EP3092088B1 EP14806199.7A EP14806199A EP3092088B1 EP 3092088 B1 EP3092088 B1 EP 3092088B1 EP 14806199 A EP14806199 A EP 14806199A EP 3092088 B1 EP3092088 B1 EP 3092088B1
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EP
European Patent Office
Prior art keywords
lubricating oil
roll
spray nozzles
mixing chamber
case
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.)
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Application number
EP14806199.7A
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German (de)
English (en)
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EP3092088A1 (fr
Inventor
Martin Boehm
Thomas BRAIDT
Gernot Dirisamer
Konrad Krimpelstaetter
Daniel Vipavc
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Primetals Technologies Austria GmbH
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Primetals Technologies Austria GmbH
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Priority to EP14806199.7A priority Critical patent/EP3092088B1/fr
Publication of EP3092088A1 publication Critical patent/EP3092088A1/fr
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Classifications

    • 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
    • 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
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278—Arrangement or mounting of spray heads
    • 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
    • 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
    • B05B7/0807—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 to form intersecting jets
    • B05B7/0846—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 to form intersecting jets with jets being only jets constituted by a liquid or a mixture containing a liquid
    • 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
    • B05B7/0876—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 to form parallel jets constituted by a liquid or a mixture containing a liquid
    • 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
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0233—Spray nozzles, Nozzle headers; Spray systems

Definitions

  • the lubrication of the roll gap is of great importance in cold rolling for the stability and quality of the rolling.
  • an oil-water emulsion is used to lubricate the nip.
  • the amount of lubricating oil can vary.
  • the amount of lubricating oil applied to the rolling stock and / or the at least one roll in a given roll stand can be between 35 ml / minute and 2000 ml / Minute vary.
  • the amount of lubricating oil can vary between 2 ml / minute and 60 ml / minute. So it is, based on a single spray nozzle, required, the amount of lubricating oil reliably applied to the rolling stock and / or the at least one roll over a wide setting range (ratio minimum to maximum approx. 1:30).
  • the object of the present invention is to provide ways by which ensures the required adjustment range in a simple and reliable manner can be largely avoided and beyond blockages or at least their effects can be limited.
  • this amount can be supplied via only one or two of the oil inlet openings, while in the case of a relatively large amount of lubricating oil, this amount can be supplied over all or almost all oil inlet openings.
  • blockages usually occur independently of each other. Even if a blockage of one of the oil inlet openings should occur, the spray nozzle in this case can continue to be supplied via the remaining oil inlet openings, the lubricating oil.
  • the spray nozzles are cylindrical, so that they have a respective longitudinal axis.
  • the nozzle outlets are preferably arranged at one of the axial ends of the respective spray nozzle and the respective at least one air inlet opening at the other axial end of the respective spray nozzle.
  • one of the oil inlet openings in the direction of the longitudinal axis is arranged at a defined axial position.
  • at least one further of the oil inlet openings in the direction of the longitudinal axis is arranged at the same axial position.
  • the oil inlet openings arranged at the defined axial position are arranged distributed uniformly around the longitudinal axis. As a result, a particularly good atomization of the lubricating oil can be achieved.
  • the lubricating oil of the respective mixing chamber is fed flow controlled.
  • the amount of lubricating oil can be dosed particularly well.
  • the compressed air supplied to the respective mixing chamber has a pressure which is between 0.1 bar and 10 bar.
  • the pressure can be in particular between 1.0 bar and 6.0 bar.
  • a pressure with which the compressed air is supplied to the respective mixing chamber adjusted in dependence on the amount of lubricating oil supplied to the respective mixing chamber.
  • the formation of the aerosol can be optimized.
  • the pressure with which the compressed air is supplied to the respective mixing chamber increase with the amount of lubricating oil supplied to the respective mixing chamber.
  • the at least one air inlet opening has a diameter which lies between 0.01 mm and 5 mm.
  • the diameter may be between 3 mm and 5 mm, in particular at least 4 mm.
  • the oil inlet openings have a diameter which is between 0.1 mm and 1.0 mm.
  • the diameter may in particular be between 0.4 mm and 0.6 mm.
  • the nozzle outlets are each slit-shaped.
  • a relatively wide fan beam can be generated.
  • the nozzle exits from the rolling stock and / or the work roll, on which the lubricating oil is injected have a distance which is between 100 mm and 400 mm.
  • the distance may in particular be between 150 mm and 300 mm.
  • the spray nozzles from each other have a distance which is between 50 mm and 300 mm.
  • the distance may in particular be between 100 mm and 200 mm.
  • the lubricating oil injected by one of the spray nozzles onto the rolling stock and / or the at least one roll is sprayed onto a respective portion of the rolling stock and / or the at least one roll.
  • the sub-regions assigned to the directly adjacent spray nozzles have a degree of coverage which lies between 0% and 50%. At a coverage of 0%, the subareas only adjoin one another without overlapping. At a coverage of 50%, the center of one section lies at the edge of the other section and vice versa.
  • Advantageous embodiments of the device are the subject of the dependent claims 14-20.
  • the device is provided - analogous to the method, designed in that each of a mixing chamber of a spray nozzle not only via a single oil inlet opening, but via a plurality of oil inlet openings, the respective amount of lubricating oil is supplied and at least one more of the oil inlet openings in the direction of the longitudinal axis seen arranged at the same axial position.
  • the advantageous embodiments of the device correspond to those of the method. Therefore, to avoid repetition, reference is made to the above comments on the method.
  • a metallic flat rolled stock 1 is rolled in a roll stand 2.
  • the rolling stock 1 is conveyed during rolling in a transporting direction x.
  • the rolling mill 2 has at least work rolls 3.
  • the roll stand 2 additionally support rollers 4 and optionally also other, not shown in the FIG rollers.
  • lubricating oil 5 is applied to the upper side of the rolling stock 1 or to the upper working roll 3.
  • lubricating oil 5 could be applied to another roll 4 arranged above the rolling stock 1, for example onto the upper support roll 4 or (in FIG Trap of a six-high stand) on the upper intermediate roll.
  • a device for applying the lubricating oil 5 to the upper side of the rolling stock 1 and / or at least one roller 3, 4 arranged above the rolling stock 1 has according to FIGS 1 and 2 a spray bar 6 on.
  • the spray bar 6 extends parallel to a respective axis of rotation 3 'of the work rolls 3.
  • On the spray bar 6 several spray nozzles 7 are arranged side by side.
  • the spray nozzles 7 are usually constructed equal to each other. The construction of one of the spray nozzles 7 will be described below in connection with FIGS FIG. 3 and 4 explained in more detail.
  • lubricating oil 5 is generally also applied to the underside of the rolling stock 1 and / or to at least one lower roll 3, 4. This is in the 1 and 2 only for reasons of clarity not shown.
  • the application of the lubricating oil 5 also with respect to the underside of the rolled stock 1 as needed (Direct) on the lower side of the rolling stock 1 and / or on the lower work roll 3 and / or on another below the Walzguts 1 arranged roll 4 take place.
  • at least one spray bar 6 is arranged below the rolling stock 1 in this case.
  • the spray nozzles 7 each have a mixing chamber 8. Furthermore, the spray nozzles 7 each have a plurality of oil inlet openings 9. At least two oil inlet openings 9 are present. However, there may be more than two oil inlet openings 9. Via the oil inlet openings 9, a respective amount V of lubricating oil 5 is supplied to the respective mixing chamber 8 per unit of time. Furthermore, the mixing chambers 8 each have at least one air inlet opening 10. Via the respective air inlet opening 10 of the respective mixing chamber 8 compressed air 11 is supplied. Within the respective mixing chamber 8, the supplied lubricating oil 5 is atomized by means of the compressed air 11 to form an aerosol. The atomized lubricating oil 5 is sprayed on in each case at least one nozzle outlet 12 of the respective spray nozzle 7 on the rolling stock 1 and / or the corresponding roller 3, 4 of the roll stand 2.
  • the spray nozzles 7 are preferably cylindrical. They thus have a respective longitudinal axis 13.
  • the nozzle outlets 12 are preferably arranged at one of the axial ends of the respective spray nozzle 7.
  • the respective at least one air inlet opening 10 is arranged in this case at the respective other axial end of the respective spray nozzle 7.
  • one of the oil inlet openings 9 is arranged, as seen in the direction of the longitudinal axis 13, at a defined axial position z. At least one further of the oil inlet openings 9 is arranged in the direction of the longitudinal axis 13 at the same axial position z. Often, even all oil inlet openings 9 of the respective spray nozzle 7 are arranged at this axial position z.
  • the at least one air inlet opening 10 preferably has a diameter d1, which is between 0.01 mm and 5 mm.
  • the diameter d1 of the air inlet openings 10 is between 3 mm and 5 mm.
  • the diameter d1 of the air inlet openings 10 can be at least 4 mm.
  • the diameter d2 of the oil inlet openings 9 is preferably between 0.1 mm and 1.0 mm.
  • the diameter d2 of the oil inlet openings 9 is usually between 0.4 mm and 0.6 mm.
  • the oil inlet openings are seen around the longitudinal axis 13 around preferably arranged evenly distributed.
  • the oil inlet openings 9 thus preferably form an angle of 180 ° and in the case of three oil inlet openings 9 in each case an angle of 120 ° in the case of two oil inlet openings 9.
  • each two oil inlet openings 9 thus preferably form with the longitudinal axis 13 an angle of 360 ° / n.
  • the lubricating oil 5 of the respective mixing chamber 8 is preferably supplied flow-controlled.
  • a conveyor 14 and a flow regulator 15 are present.
  • the flow regulator 15 is supplied with a set volume flow V * and an actual volume flow V conveyed from the delivery device 14 to the respective mixing chamber 8.
  • the flow controller 15 determines a control signal for the conveyor 14, so that the actual volume flow V approximates to the set volume flow V * - if possible equalized. Due to the promotion of the volume flow, pressure builds up in the supply line leading the lubricating oil 5. This pressure is not regulated in the context of the present invention. It usually sets between 1.5 bar and 20 bar, in particular between 2.0 bar and 15 bar.
  • the pressure p is set as a function of the amount of lubricating oil 5-that is, one of the volume flows V, V *.
  • FIG. 6 shows an example of a corresponding representation. In FIG. 6 is applied to the right, the amount of lubricating oil 5, which is supplied to the mixing chamber 8 per unit time. Up is in FIG.
  • the associated pressure p of the compressed air 11 is applied.
  • the pressure p increases with the amount of lubricating oil 5 which is supplied to the respective mixing chamber 8 per unit time.
  • the relationship applies dp / dV > 0 respectively , dp / dV * > 0
  • the nozzle outlets 12 may be designed as needed.
  • the nozzle outlets 12 are as shown in FIGS FIGS. 7 and 8 each slot-shaped.
  • the spray nozzles 7 may each have two such nozzle outlets 12.
  • the surface may alternatively be an area of the rolled stock 1 or a surface of one of the rolls 3, 4.
  • the distance a1 is preferably between 100 mm and 400 mm. In particular, it can be between 150 mm and 300 mm.
  • the spray nozzles 7 as shown in FIG. 9 a distance a2 from each other.
  • the distance a2 extends parallel to the axes of rotation 3 'of the work rolls 3.
  • the distance a2 is preferably between 50 mm and 300 mm. In particular, it can be between 100 mm and 200 mm.
  • the lubricating oil 5 as shown in FIG. 9 sprayed only on a respective portion 16 of the rolling stock 1 and / or the corresponding roller 3, 4.
  • the spray bar 6 - so the spray nozzles 7 in their entirety - the lubricating oil 5, however, at least over the width b1 of the rolling stock 1 - often even over the full width b2 of the corresponding roller 3, 4 - evenly on the rolling stock 1 and / or corresponding roller 3, 4 applied.
  • the distances a1 of the nozzle outlets 12 from the rolling stock 1 or from the corresponding rollers 3, 4 and the distances a2 of the spray nozzles 7 are set from one another depending on the particular spray pattern of one of the spray nozzles 7.
  • the adjustment can be made in such a way that the partial regions 16 assigned to the directly adjacent spray nozzles 7 have a degree of coverage which is 50%.
  • the portion 16 of a particular spray nozzle 7 as shown by FIG. 9 to the middle of the two immediately adjacent to this portion 16 adjacent portions 16. So there are, based on a specific portion 16, a left portion and a right portion.
  • On the right section 7 of the right adjacent spray nozzle 7 lubricating oil 5 applied.
  • 7 lubricating oil 5 is applied to the left portion of the left adjacent spray nozzle.
  • the setting - depending on the circumstances of the individual case - be made such that the immediately adjacent spray nozzles 7 associated subregions 16 have a degree of coverage, which is at 0%.
  • the portion 16 of a particular spray nozzle 7 as shown by FIG. 10 only up to the edge of the two immediately adjacent to this portion 16 adjacent portions 16.
  • Die Subregions 16 adjoin each other in this case without overlapping. There is therefore, with respect to a specific portion 16, no section on which also of the right or left adjacent spray nozzle 7 lubricating oil 5 is applied.
  • the setting will be selected such that the partial regions 16 assigned to the directly adjacent spray nozzles 7 have a degree of coverage which lies between these two extreme values.
  • a specific subarea 16 there is a left section and a right section.
  • lubricating oil 5 is also applied by the right adjacent spray nozzle.
  • 7 lubricating oil 5 is applied to the left portion of the left adjacent spray nozzle.
  • a middle portion of the portion 16 is applied exclusively to the associated spray nozzle 7 lubricating oil 5.
  • the setting can be selected such that the immediately adjacent spray nozzles 7 associated partial areas 16 have a degree of coverage, which is between 15% and 40%, in particular between 20% and 30%.
  • FIG. 11 shows purely by way of example such a setting, in which the degree of coverage is about 25%.
  • the present invention thus relates to the following facts:
  • lubricating oil 5 is sprayed when rolling a metallic flat rolled stock 1 in a rolling stand 2 on the rolling stock 1 and / or at least one roller 3, 4 of the roll stand 2.
  • a mixing chamber 8 of a spray nozzle 7 a respective amount of lubricating oil 5 is supplied via a plurality of oil inlet openings 9.
  • the respective mixing chamber 8 is supplied via at least one air inlet opening 10 compressed air 11.
  • the lubricating oil 5 is atomized by means of the compressed air 11 in the respective mixing chamber 8 to form an aerosol and over each at least one nozzle outlet 12 sprayed onto the rolling stock 1 and / or the at least one roller 3, 4 of the roll stand 2.
  • the present invention has many advantages.
  • a large adjustment range of the delivered volume flow V of lubricating oil 5 can be realized in a simple manner.
  • the reliability of the spray nozzles 7 is significantly increased.
  • the spray pattern of the spray nozzles 7 corresponding to the respective partial region 16 can be maintained almost constant over the entire control range of the delivered volume flow V.
  • the total amount of lubricating oil 5 required can be minimized. Nevertheless, results over the entire effective width of an oil film with a very uniform thickness.

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

Claims (20)

  1. Procédé d'application d'une huile lubrifiante (5) lors du laminage d'un produit à laminer (1) métallique plat dans une cage de laminoir (2),
    - dans lequel l'huile lubrifiante (5) est pulvérisée sur le produit à laminer (1) et/ou au moins un cylindre (3, 4) de la cage de laminoir (2) au moyen de plusieurs buses de pulvérisation (7) disposées les unes à côté des autres,
    - dans lequel une quantité respective d'huile lubrifiante (5) est amenée respectivement à une chambre de mélange (8) d'une buse de pulvérisation (7) par respectivement plusieurs orifices d'entrée d'huile (9),
    - dans lequel de l'air comprimé (11) est amené à la chambre de mélange (8) respective par respectivement au moins un orifice d'entrée d'air (10),
    - dans lequel l'huile lubrifiante (5) est atomisée au moyen de l'air comprimé (11) dans la chambre de mélange (8) respective pour obtenir un aérosol et est pulvérisée sur le produit à laminer (1) et/ou l'au moins un cylindre (3, 4) de la cage de laminoir (2) par respectivement au moins une sortie de buse (12),
    - dans lequel les buses de pulvérisation (7) sont réalisées cylindriques, de sorte qu'elles présentent un axe longitudinal (13) respectif,
    - dans lequel les sorties de buse (12) sont situées à l'une des extrémités axiales de la buse de pulvérisation (7) respective,
    - dans lequel le respectivement au moins un orifice d'entrée d'air (10) est situé à l'autre extrémité axiale de la buse de pulvérisation (7) respective, et
    - dans lequel, en se référant respectivement à une des buses de pulvérisation (7), un des orifices d'entrée d'huile (9), vu dans la direction de l'axe longitudinal (13), se trouve sur une position axiale (z) définie et au moins un autre des orifices d'entrée d'huile (9), vu dans la direction de l'axe longitudinal (13), se trouve à la même position axiale (z).
  2. Procédé selon la revendication 1,
    caractérisé en ce que les orifices d'entrée d'huile (9) qui se trouvent à la position axiale (z) définie sont uniformément répartis autour de l'axe longitudinal (13), en considérant son pourtour.
  3. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que l'huile lubrifiante (5) est amenée à la chambre de mélange (8) respective avec un débit régulé.
  4. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que l'air comprimé (11) amené à la chambre de mélange (8) respective a une pression (p) qui est comprise entre 0,1 bar et 10 bar, notamment entre 1,0 bar et 6,0 bar.
  5. Procédé selon l'une des revendications précédentes,
    caractérisé en ce qu'une pression (p) à laquelle l'air comprimé (11) est amené à la chambre de mélange (8) respective est ajustée en fonction de la quantité d'huile lubrifiante (5) amenée à la chambre de mélange (8) respective.
  6. Procédé selon la revendication 5,
    caractérisé en ce que la pression (p) à laquelle l'air comprimé (11) est amené à la chambre de mélange (8) respective augmente avec la quantité d'huile lubrifiante amenée à la chambre de mélange (8) respective.
  7. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que l'au moins un orifice d'entrée d'air (10) a un diamètre (d1) qui est compris entre 0,01 mm et 5 mm, de préférence entre 3 mm et 5 mm, notamment d'au moins 4 mm.
  8. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que les orifices d'entrée d'huile (9) ont un diamètre (d2) qui est compris entre 0,1 mm et 1,0 mm, notamment entre 0,4 mm et 0,6 mm.
  9. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que les sorties de buse (12) sont réalisées respectivement en forme de fente.
  10. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que les sorties de buse (12) présentent par rapport au produit à laminer (1) et/ou à l'au moins un cylindre (3, 4) sur lequel l'huile lubrifiante (5) est pulvérisée une distance (a1) qui est comprise entre 100 mm et 400 mm, notamment entre 150 mm et 300 mm.
  11. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que les buses de pulvérisation (7) présentent les unes par rapport aux autres une distance (a2) qui est comprise entre 50 mm et 300 mm, notamment entre 100 mm et 200 mm.
  12. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que l'huile lubrifiante (5) pulvérisée sur le produit à laminer (1) et/ou l'au moins un cylindre (3, 4) par respectivement une des buses de pulvérisation (7) est pulvérisée sur une zone partielle (16) respective du produit à laminer (1) et/ou de l'au moins un cylindre (3, 4), et en ce que les zones partielles (16) associées à des buses de pulvérisation (7) directement contigües présentent un degré de chevauchement qui est compris entre 0% et 50%.
  13. Dispositif pour l'application d'une huile lubrifiante (5) sur un produit à laminer (1) métallique plat et/ou au moins un cylindre (3, 4) d'une cage de laminoir (2) lors du laminage du produit à laminer (1) dans la cage de laminoir (2),
    - dans lequel le dispositif comprend une rampe de pulvérisation (6) qui s'étend parallèlement à un axe de rotation (3') de l'au moins un cylindre (3, 4) de la cage de laminoir (2) et sur lequel plusieurs buses de pulvérisation (7) sont disposées les unes à côté des autres,
    - dans lequel les buses de pulvérisation (7) comportent respectivement une chambre de mélange (8) à laquelle une quantité respective d'huile lubrifiante (5) est amenée par respectivement plusieurs orifices d'entrée d'huile (9),
    - dans lequel la chambre de mélange (8) respective est pourvue à chaque fois d'au moins un orifice d'entrée d'air (10) par lequel de l'air comprimé (11) est amené à la chambre de mélange (8) respective,
    - dans lequel les buses de pulvérisation (7) sont pourvues respectivement d'au moins une sortie de buse (12) par laquelle l'huile lubrifiante (5) atomisée dans la chambre de mélange (8) respective pour obtenir un aérosol est pulvérisée sur le produit à laminer (1) et/ou l'au moins un cylindre (3, 4) de la cage de laminoir (2),
    - dans lequel les buses de pulvérisation (7) sont réalisées cylindriques, de sorte qu'elles présentent un axe longitudinal (13) respectif,
    - dans lequel les sorties de buse (12) sont situées à l'une des extrémités axiales de la buse de pulvérisation (7) respective,
    - dans lequel, le respectivement au moins un orifice d'entrée d'air (10) est situé à l'autre extrémité axiale de la buse de pulvérisation (7) respective et, en se référant respectivement à une des buses de pulvérisation (7), un des orifices d'entrée d'huile (9), vu dans la direction de l'axe longitudinal (13), se trouve sur une position axiale (z) définie et au moins un autre des orifices d'entrée d'huile (9), vu dans la direction de l'axe longitudinal (13), se trouve à la même position axiale (z).
  14. Dispositif selon la revendication 13,
    caractérisé en ce que les orifices d'entrée d'huile (9) qui se trouvent à la position axiale (z) définie sont uniformément répartis autour de l'axe longitudinal (13), en considérant son pourtour.
  15. Dispositif selon l'une des revendications 13 et 14,
    caractérisé en ce que l'au moins un orifice d'entrée d'air (10) a un diamètre (d1) qui est compris entre 0,01 mm et 5 mm, de préférence entre 3 mm et 5 mm, notamment d'au moins 4 mm.
  16. Dispositif selon l'une des revendications 13 à 15,
    caractérisé en ce que les orifices d'entrée d'huile (9) ont un diamètre (d2) qui est compris entre 0,1 mm et 1,0 mm, notamment entre 0,4 mm et 0,6 mm.
  17. Dispositif selon l'une des revendications 13 à 16,
    caractérisé en ce que les sorties de buse (12) sont réalisées respectivement en forme de fente.
  18. Dispositif selon l'une des revendications 13 à 17,
    caractérisé en ce que les sorties de buse (12) présentent par rapport au produit à laminer (1) et/ou à l'au moins un cylindre (3, 4) sur lequel l'huile lubrifiante (5) est pulvérisée une distance (a1) qui est comprise entre 100 mm et 400 mm, notamment entre 150 mm et 300 mm.
  19. Dispositif selon l'une des revendications 13 à 18,
    caractérisé en ce que les buses de pulvérisation (7) présentent les unes par rapport aux autres une distance (a2) qui est comprise entre 50 mm et 300 mm, notamment entre 100 mm et 200 mm.
  20. Dispositif selon l'une des revendications 13 à 19,
    caractérisé en ce que l'huile lubrifiante (5) pulvérisée sur le produit à laminer (1) et/ou l'au moins un cylindre (3, 4) par respectivement une des buses de pulvérisation (7) est pulvérisée sur une zone partielle (16) respective du produit à laminer (1) et/ou de l'au moins un cylindre (3, 4), et en ce que les zones partielles (16) associées à des buses de pulvérisation (7) directement contigües présentent un degré de chevauchement qui est compris entre 0% et 50%.
EP14806199.7A 2014-01-08 2014-11-18 Lubrification à l'aide de buses d'injection dotées de plusieurs orifices d'entrée d'huile Active EP3092088B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14806199.7A EP3092088B1 (fr) 2014-01-08 2014-11-18 Lubrification à l'aide de buses d'injection dotées de plusieurs orifices d'entrée d'huile

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14150400.1A EP2893986A1 (fr) 2014-01-08 2014-01-08 Lubrification à l'aide de buses d'injection dotées de plusieurs orifices d'entrée d'huile
EP14806199.7A EP3092088B1 (fr) 2014-01-08 2014-11-18 Lubrification à l'aide de buses d'injection dotées de plusieurs orifices d'entrée d'huile
PCT/EP2014/074844 WO2015104082A1 (fr) 2014-01-08 2014-11-18 Lubrification mise en œuvre au moyen de buses de pulvérisation pourvues de plusieurs ouvertures d'entrée d'huile

Publications (2)

Publication Number Publication Date
EP3092088A1 EP3092088A1 (fr) 2016-11-16
EP3092088B1 true EP3092088B1 (fr) 2018-05-02

Family

ID=49918532

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14150400.1A Withdrawn EP2893986A1 (fr) 2014-01-08 2014-01-08 Lubrification à l'aide de buses d'injection dotées de plusieurs orifices d'entrée d'huile
EP14806199.7A Active EP3092088B1 (fr) 2014-01-08 2014-11-18 Lubrification à l'aide de buses d'injection dotées de plusieurs orifices d'entrée d'huile

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP14150400.1A Withdrawn EP2893986A1 (fr) 2014-01-08 2014-01-08 Lubrification à l'aide de buses d'injection dotées de plusieurs orifices d'entrée d'huile

Country Status (7)

Country Link
US (1) US10780475B2 (fr)
EP (2) EP2893986A1 (fr)
JP (1) JP6321185B2 (fr)
CN (1) CN106029245B (fr)
RU (1) RU2675413C2 (fr)
TR (1) TR201808864T4 (fr)
WO (1) WO2015104082A1 (fr)

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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
JP7355470B2 (ja) * 2017-02-10 2023-10-03 株式会社トプコン 測量装置、及び測量システム
CN109692764A (zh) * 2017-10-20 2019-04-30 美的集团股份有限公司 雾化喷嘴和具有其的冷却装置
EP3517228A1 (fr) 2018-01-29 2019-07-31 Primetals Technologies Austria GmbH Règles d'un processus de laminage
CN111089155B (zh) * 2019-12-13 2021-06-01 太原重工股份有限公司 喷射阀
AT523701B1 (de) * 2020-03-12 2024-04-15 Primetals Technologies Austria GmbH Zweistoff-Schaftdüse mit verringerter Verstopfungsneigung

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Also Published As

Publication number Publication date
US20160325327A1 (en) 2016-11-10
CN106029245B (zh) 2019-05-31
JP2017501889A (ja) 2017-01-19
US10780475B2 (en) 2020-09-22
CN106029245A (zh) 2016-10-12
TR201808864T4 (tr) 2018-07-23
WO2015104082A1 (fr) 2015-07-16
JP6321185B2 (ja) 2018-05-09
RU2675413C2 (ru) 2018-12-19
EP3092088A1 (fr) 2016-11-16
EP2893986A1 (fr) 2015-07-15
RU2016132146A (ru) 2018-02-13
RU2016132146A3 (fr) 2018-06-29

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