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EP3184182B1 - Dispositif et procede de nettoyage d'un corps comprenant une couche de surface a enlever - Google Patents

Dispositif et procede de nettoyage d'un corps comprenant une couche de surface a enlever Download PDF

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Publication number
EP3184182B1
EP3184182B1 EP15202475.8A EP15202475A EP3184182B1 EP 3184182 B1 EP3184182 B1 EP 3184182B1 EP 15202475 A EP15202475 A EP 15202475A EP 3184182 B1 EP3184182 B1 EP 3184182B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
jet
jet nozzle
surface layer
nozzle holder
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.)
Active
Application number
EP15202475.8A
Other languages
German (de)
English (en)
Other versions
EP3184182A1 (fr
Inventor
Michael Jarchau
Martin Oberscheidt
Malte Willems
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.)
Hammelmann GmbH
Original Assignee
Hammelmann 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
Priority to ES15202475.8T priority Critical patent/ES2681486T3/es
Application filed by Hammelmann GmbH filed Critical Hammelmann GmbH
Priority to PL15202475T priority patent/PL3184182T3/pl
Priority to EP15202475.8A priority patent/EP3184182B1/fr
Priority to PCT/EP2016/081826 priority patent/WO2017108729A1/fr
Priority to RU2018121138A priority patent/RU2717427C2/ru
Priority to CN201680072726.3A priority patent/CN108367326B/zh
Priority to JP2018533081A priority patent/JP6903665B2/ja
Priority to KR1020187021129A priority patent/KR102590875B1/ko
Publication of EP3184182A1 publication Critical patent/EP3184182A1/fr
Application granted granted Critical
Publication of EP3184182B1 publication Critical patent/EP3184182B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/025—Rotational joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work
    • 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
    • B21B45/0269—Cleaning
    • B21B45/0275—Cleaning devices
    • 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
    • B21B45/04—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 de-scaling, e.g. by brushing
    • B21B45/08—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 de-scaling, e.g. by brushing hydraulically
    • 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
    • B21B45/0269—Cleaning

Definitions

  • the present invention relates to a device for cleaning, in particular descaling, a body moved relative to the device in a movement direction with a surface layer to be removed according to the preamble of claim 1 and a method for cleaning a body according to the preamble of claim 10.
  • descaling of bodies with a surface layer to be removed in particular warm rolling stock with a scale layer to be removed, are known for example from US Pat DE 43 28 303 C2 known.
  • Such a descaling device serves to dissolve a scale layer present on the steel by means of a liquid jet impinging on a surface of the rolling stock at high pressure, for example a high-pressure water jet.
  • the flat-jet nozzles used for this purpose are fastened to a cylindrical nozzle holder, wherein the nozzle holder is rotatable about an axis perpendicular to the rolling stock and thus the surface of the rolling stock moved past the apparatus is repeatedly swept over in order to detach the scale from the rolling stock.
  • parts of the scale can be removed in the direction of the direction of movement of the rolling stock when removing the scale from the rolling surface, which involves the risk that during the next rolling previously Tinder pieces dissolved by the application of pressurized liquid are rolled back into the rolling stock surface during the subsequent rolling process.
  • the object of the present invention is to provide an apparatus and a method for cleaning bodies moved in a direction of movement relative to the apparatus with a surface layer to be removed, with which the abovementioned disadvantages are eliminated and which can be operated both liquid and energy-saving.
  • the device according to the invention for cleaning has at least one nozzle holder which is rotatably held on a central bearing which is perpendicular or inclined to the surface layer to be processed.
  • the at least one nozzle holder has at least one jet nozzle held in an arm of the nozzle holder, from which the pressurized liquid emerges in operation.
  • the jet nozzle is oriented in such a way that the surface layer is acted upon by a liquid jet emerging from the jet nozzle during operation obliquely to the surface layer.
  • the at least one jet nozzle is rotatably mounted about a parallel to the central bearing of the nozzle holder rotation axis of the nozzle holder, wherein the jet nozzle is driven in rotation so that an angle between the direction of movement of the body and the orientation of the jet nozzle exiting liquid jet in the plane of the surface layer is constant.
  • an axis of rotation is received with a supply line for the pressurized liquid therein, which is connected to a supply line in the respective arm of the nozzle holder, which opens into an inlet opening of a nozzle housing of the jet nozzle.
  • a vector which defines the emission direction of the liquid jet from the jet nozzle under a pressure of from 80 bar to 1000 bar has no component in the direction of movement of the body.
  • the beam nozzle kept constant by the beam nozzle allows aligning the jet nozzles so that they always radiate with a presettable speed component counter to the direction of movement of the body and thus can be avoided that particular detached scale parts remain on the rolling stock beyond the device for descaling, which would be rolled back into the surface of the rolling stock in a subsequent rolling process, and that the jet liquid remains too long on the top of the rolling stock, which would lead to disadvantageous cooling and thermal asymmetry.
  • the at least one jet nozzle by means of a gearbox is driven by a motor.
  • This transmission according to the invention is designed so that in each arm of the nozzle holder, a first gear is rotatably mounted, which meshes with a central rotatably mounted on the central bearing second gear and a non-rotatably attached to the jet third gear, wherein the first and the third gear are the same size , whereby the amount of rotational speeds of the jet nozzle and the nozzle holder is the same.
  • the choice of the radius of the first gear wheel also makes it possible to position the jet nozzles at different distances from the rotational axis of the nozzle holder, so that it is also possible to form nozzle holders with several arms of different length, which is advantageous in terms of a uniform area distribution of the hydraulic beam energy is.
  • nozzle holder For rotational drive of the nozzle holder according to a preferred embodiment of the nozzle holder rotatably connected to a rotatably driven, received in the central bearing axis of rotation, wherein in the axis of rotation a supply line of the pressurized fluid is added.
  • a fourth gear driven by a drive gear is rotatably mounted on the nozzle holder itself.
  • the nozzle holder has, according to a preferred embodiment, at least two arms, to each of which a jet nozzle is rotatably mounted.
  • a plurality of nozzle holders are arranged next to one another, the rotational radii of the surfaces swept by the arms of the nozzle holders partially overlapping one another. This makes it possible to equip the device according to the width of the rolling stock with a plurality of such nozzle holder.
  • the angle between the direction of movement of the rolling stock and the impact line the orientation of the jet nozzles determining the jet of liquid emerging from the jet nozzle can be preset.
  • the inventive method is characterized in that the at least one jet nozzle is rotated relative to the rotating nozzle holder when the surface layer, in particular a Walzgutober Structure with the liquid jet to such a parallel to the central bearing of the nozzle holder rotational axis relative to the rotating nozzle holder that an angle between the direction of movement of Body, in particular rolling stock and the impingement of the emerging from the jet nozzle liquid jet is maintained constant.
  • the jet nozzle is rotated relative to the rotating nozzle holder so that the emission direction of the liquid jet from the jet nozzle is always opposite to the direction of movement of the body.
  • top, bottom, left, right, front, back, etc. refer exclusively to the exemplary representation and position of the rolling stock, central warehouse, nozzle holder, arm, jet nozzle and the like chosen in the respective figures. These terms are not intended to be limiting, that is to say, by different working positions or the mirror-symmetrical design or the like, these references may change.
  • FIGS. 1 . 2 and 6a to 6d is a first embodiment of a device 1 according to the invention for cleaning, in particular descaling, a relative to the device in a movement direction x moving body 2 with a surface layer to be removed, in particular hot rolling, in particular slabs or belts, shown with a pressurized liquid.
  • the invention will be further elucidated on the basis of an apparatus and a method for descaling warm rolling material translating relative to the apparatus in a movement direction X, but not limited to this application.
  • the rolling stock to be descaled is in particular slabs or strips. Also conceivable is the use of the device for other shapes of the crude steel.
  • the device has in the in FIGS. 1 . 2 and 6a to 6d shown variants a two-armed nozzle holder 3 with two arms 31 and 32 which is rotatably mounted relative to a central warehouse 5.
  • a gear 6 is rotatably mounted on the nozzle holder 3, which with a (not shown) drive gear is in positive operative connection and so the nozzle holder 3 is set in operation in rotation.
  • a jet nozzle 4 From the rolling stock 2 facing the underside of the nozzle holder 3 protrudes from each of the arms 31, 32 a jet nozzle 4, through the function of a pressurized liquid, such as water, emerges to solve an existing on the surface of the rolling scale layer and ablate.
  • a pressurized liquid such as water
  • the jet nozzle 4 is formed in the embodiments shown in the figures as a flat jet nozzle, which emits a liquid jet 12 at a spray angle ⁇ of 0 ° to 90 °, particularly preferably from 10 ° to 50 ° on the surface of the rolled stock.
  • spraying angle ⁇ is here understood the fanning of the liquid jet from the channel end of the jet nozzle towards the surface to be processed.
  • the jet nozzle 4 is aligned so that the outgoing liquid jet 12 is aligned at an angle ⁇ of 0 ° to 40 °, preferably from 5 ° to 20 ° to the surface normal of the machined surface.
  • the pressures used are between 80 and 1000 bar, preferably in a range of 200 to 400 bar.
  • Each of the jet nozzles 4 is surrounded by a housing 41, on the outside of a second gear 9, 10 is rotatably attached.
  • the housing 41 is rotatably mounted in the nozzle holder 3.
  • the first gear 7, 8 and the third gear 9, 10 have the same radius, so that the rotational speed of the nozzle holder 3 about the central axis 5 corresponds to the rotational speed of the jet nozzles 4 with respect to the nozzle holder 3.
  • the liquid jet 12 which impinges linearly and obliquely to the Walzgutober construction on Walzgutober decoration, thereby causing a constant removal of the scale from the Walzgutober requirements, the abraded scale and the jet liquid is always radiated in the same direction relative to the direction of movement X of the rolling stock.
  • the nozzle holder 3 is formed with three arms three arms 31, 32 and 33.
  • the arms 31, 32, 33 differ in their radial length radially to the central warehouse 5, wherein the jet nozzles 4 are arranged on the respective arms of the nozzle holder 3, that their distance from the axis of rotation of the nozzle holder 3 is different.
  • the drive of the nozzle holder 3 takes place in the in the Figures 3 - 5 and 7
  • One end of the axis of rotation 16 projects from a motor flange, on which a motor can be fastened, with which the axis of rotation 16 is driven by a motor.
  • the axis of rotation 16 is preferably mounted via roller bearings in the housing 51 of the central warehouse 5.
  • a fastening flange 52 is provided on the housing 51 of the central bearing 5, with which the housing 51 can be fastened to a carrier which is arranged above or below a transport path along which the rolling stock 2 is moved.
  • the second gear 11 On a cylindrical, engaging in the nozzle holder 3 part of the housing 51, the second gear 11 is circumferentially and rotationally fixed, while a reaching into the nozzle holder 3 region of the rotation axis 16 is rotatably connected to the nozzle holder 3.
  • FIG. 5 shows an arrangement of several juxtaposed devices for descaling with three-arm nozzle holders.
  • the devices 1 are arranged with each other in such a way that they rotate in opposite directions. It is also conceivable to position and drive the individual devices so that adjacent nozzle holders 3 in each case rotate in the same direction.
  • FIG. 8 shows an alternative orientation of the jet nozzles 4, wherein the rotational positions of the nozzle holder 3 of a over a left portion of the rolling stock surface at a spray angle ⁇ of about 45 ° opposite to the moving direction x of the rolling stock to the outside and the rotational positions of the nozzle holder 3 a over a right portion of the Walzgutober #3 are aligned in a spray angle ⁇ of about 45 ° opposite to the direction of movement x of the rolling stock to the outside.
  • each of the jet nozzles 4 it is important to align the spray angle ⁇ of the jet nozzles 4 against the direction of movement of the rolling stock and thus to avoid that detached scale parts remain on the rolling stock on the other side of the device for descaling, in a subsequent Rolling be rolled back into the surface of the rolling stock, and that the jet liquid remains too long on the top of the rolling stock, which would lead to adverse cooling and thermal asymmetry.
  • the at least one jet nozzle 4 becomes parallel to the liquid jet 12 during operation of the rolling stock surface to the central warehouse 5 of the nozzle holder 3 aligned rotational axis relative to the rotating nozzle holder 3 is rotated so that an angle a between the direction of movement x of the rolling stock 2 and the impingement of the emerging from the jet nozzle 4 liquid jet 12 is maintained constant.
  • the jet nozzle 4 is preferably rotated relative to the rotating nozzle holder 3 so that the emission direction of the liquid jet 12 from the jet nozzle 4th always takes place with a preset speed component counter to the direction of movement x of the rolling stock 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Nozzles (AREA)
  • Cleaning In General (AREA)

Claims (10)

  1. Dispositif pour le nettoyage, en particulier le décalaminage, d'un corps (2) déplacé dans un sens de déplacement (x) dont une couche de surface doit être enlevée, en particulier d'un matériau laminé chaud, en particulier de brames ou de feuillards, avec un liquide sous pression, comprenant
    - au moins un porte-buse (3) retenu avec possibilité de rotation sur un palier central (5) perpendiculaire ou incliné par rapport à la couche de surface à traiter,
    - au moins une buse de projection (4) retenue sur un bras (31, 32, 33) du porte-buse (3) de laquelle sort, en fonctionnement, le liquide sous pression,
    - la buse de projection (4) étant orientée de telle façon que la couche de surface soit exposée à l'oblique à un jet de liquide (12) sortant de la buse de projection (4) en fonctionnement, sous un angle d'incidence (γ) par rapport à la couche de surface,
    - un axe de rotation (16) étant contenu dans le palier central (5) et renfermant une conduite d'arrivée (13) pour le liquide sous pression, qui communique avec une conduite d'arrivée (14) dans le bras (31, 32, 33) correspondant du porte-buse (3), laquelle débouche dans une ouverture d'arrivée (43) d'un corps de buse (41) de la buse de projection (4),
    - la buse de projection (4) étant entraînée en rotation en fonctionnement de telle manière qu'un angle (α) entre le sens de déplacement (x) du corps (2) et l'orientation du jet de liquide (12) sortant de la buse de projection (4) soit constant dans le plan de la couche de surface,
    caractérisé en ce que
    - l'au moins une buse de projection (4) est supportée sur le porte-buse (3) avec possibilité de rotation autour d'un axe de rotation parallèle au palier central (5) et conçue comme une buse plate avec un angle de pulvérisation (β) de 0° à 90° et en ce que
    - une première roue dentée (7, 8, 18) est supportée avec possibilité de rotation sur chaque bras (31, 32, 33) du porte-buse (3) et engrène avec une deuxième roue dentée (11) fixée de manière solidaire en rotation sur le palier central (5) et avec une troisième roue dentée (9, 10, 19) fixée de manière solidaire en rotation sur la buse de projection (4), la deuxième roue dentée (11) et la troisième roue dentée (9, 10, 19) étant de la même taille,
    - de sorte que lorsque le dispositif fonctionne, un vecteur définissant la direction de projection du jet de liquide (12) sous une pression de 80 à 1000 bars hors de la buse de projection (4) ne présente aucune composante dans le sens de déplacement (x) du corps (2).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'au moins une buse de projection (4) peut être entraînée par un moteur au moyen d'un engrenage.
  3. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le porte-buse (3) est relié de manière solidaire en rotation à un axe de rotation (16) entraîné en rotation et logé dans le palier central (5), une conduite d'arrivée (13) pour le liquide sous pression étant logée dans l'axe de rotation (16).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'une quatrième roue dentée (6) entraînée par la roue dentée d'entraînement est fixée de façon solidaire en rotation sur le porte-buse (3).
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le porte-buse (3) présente au moins deux bras (31, 32).
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que plusieurs porte-buse (3) sont disposés les uns à côté des autres, les rayons de rotation des surfaces parcourues par les bras (31, 32, 33) des porte-buse (3) se recoupant partiellement.
  7. Dispositif selon la revendication 6, caractérisé en ce que les porte-buse (3) disposés les uns à côté des autres sont entraînés dans le même sens de rotation (a).
  8. Dispositif selon la revendication 6, caractérisé en ce que les porte-buse (3) disposés les uns à côté des autres sont entraînés chacun dans un sens de rotation (a) différent.
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'orientation de la buse de projection (4) déterminant l'angle (α) entre le sens de déplacement (x) du corps (2) et la ligne d'incidence du jet de liquide (12) sortant de la buse de projection (4) peut être préréglé.
  10. Procédé pour le nettoyage, en particulier le décalaminage, d'un corps (2) déplacé dans un sens de déplacement (x) dont une couche de surface doit être enlevée, en particulier d'un matériau laminé chaud, en particulier de brames ou de feuillards, avec un liquide sous pression, avec un dispositif qui comprend au moins un porte-buse (3) retenu avec possibilité de rotation sur un palier central (5) perpendiculaire ou incliné par rapport à la couche de surface à traiter ainsi qu'au moins une buse de projection (4) retenue sur un bras (31, 32, 33) du porte-buse (3) et de laquelle sort, en fonctionnement, le liquide sous pression, la buse de projection (4) étant orientée de telle façon que la couche de surface soit exposée à l'oblique à un jet de liquide (12) sortant de la buse de projection (4) en fonctionnement, l'au moins une buse de projection (4) étant entraînée en rotation, en fonctionnement, autour d'un axe de rotation orienté parallèlement au palier central (5) du porte-buse (3) par rapport au porte-buse (3) en rotation de telle manière qu'un angle (a) entre le sens de déplacement (x) du corps (2) et l'orientation du jet de liquide (12) sortant de la buse de projection (4) soit constant dans le plan de la couche de surface, le liquide sous pression étant introduit en passant par une conduite d'arrivée (13) qui est logée dans un axe de rotation (16) contenu dans le palier central (5), qui communique avec une conduite d'arrivée (14) dans le bras (31, 32, 33) correspondant du porte-buse (3) qui débouche dans une ouverture d'arrivée (43) d'un corps de buse (41) de la buse de projection (4), caractérisé en ce que la buse de projection (4) est tournée en fonctionnement par rapport au porte-buse (3) en rotation de telle manière que la direction de projection du jet de liquide (12) sortant de la buse de projection (4) sous une pression de 80 à 1000 bars comporte toujours une composante vectorielle en sens inverse du sens de déplacement (x) du corps (2).
EP15202475.8A 2015-12-23 2015-12-23 Dispositif et procede de nettoyage d'un corps comprenant une couche de surface a enlever Active EP3184182B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
PL15202475T PL3184182T3 (pl) 2015-12-23 2015-12-23 Urządzenie i sposób czyszczenia przedmiotu z warstwą powierzchniową, która ma zostać usunięta
EP15202475.8A EP3184182B1 (fr) 2015-12-23 2015-12-23 Dispositif et procede de nettoyage d'un corps comprenant une couche de surface a enlever
ES15202475.8T ES2681486T3 (es) 2015-12-23 2015-12-23 Dispositivo y método para la limpieza de un cuerpo con una capa superficial que ha de ser eliminada
RU2018121138A RU2717427C2 (ru) 2015-12-23 2016-12-20 Устройство и способ для очистки изделия с подлежащим удалению поверхностным слоем
PCT/EP2016/081826 WO2017108729A1 (fr) 2015-12-23 2016-12-20 Dispositif et procédé de nettoyage d'un corps comprenant une couche de surface à enlever
CN201680072726.3A CN108367326B (zh) 2015-12-23 2016-12-20 用于清洁具有待去除的表面层的物体的设备和方法
JP2018533081A JP6903665B2 (ja) 2015-12-23 2016-12-20 除去すべき表層を有する物体を洗浄するための装置及び方法
KR1020187021129A KR102590875B1 (ko) 2015-12-23 2016-12-20 제거될 표면층을 가진 몸체를 클리닝하기 위한 장치 및 방법.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15202475.8A EP3184182B1 (fr) 2015-12-23 2015-12-23 Dispositif et procede de nettoyage d'un corps comprenant une couche de surface a enlever

Publications (2)

Publication Number Publication Date
EP3184182A1 EP3184182A1 (fr) 2017-06-28
EP3184182B1 true EP3184182B1 (fr) 2018-05-02

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EP15202475.8A Active EP3184182B1 (fr) 2015-12-23 2015-12-23 Dispositif et procede de nettoyage d'un corps comprenant une couche de surface a enlever

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Country Link
EP (1) EP3184182B1 (fr)
JP (1) JP6903665B2 (fr)
KR (1) KR102590875B1 (fr)
CN (1) CN108367326B (fr)
ES (1) ES2681486T3 (fr)
PL (1) PL3184182T3 (fr)
RU (1) RU2717427C2 (fr)
WO (1) WO2017108729A1 (fr)

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DE102017122802B3 (de) * 2017-09-29 2018-10-25 Hauhinco Maschinenfabrik G. Hausherr, Jochums Gmbh & Co. Kg Entzunderungsvorrichtung
DE102019134040A1 (de) * 2019-12-11 2021-06-17 Hammelmann GmbH Reinigungsvorrichtung
CN112108297A (zh) * 2020-10-12 2020-12-22 新余市木林森照明科技有限公司 一种用于玻璃灯管涂粉机的喷涂设备
CN112934814A (zh) * 2021-01-28 2021-06-11 河北纵横集团丰南钢铁有限公司 钢高压水除磷系统及工艺过程
CN113578840B (zh) * 2021-08-04 2022-05-17 南京迪斯克林科技有限公司 一种超高压水冷回流除磷系统

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WO2017108729A1 (fr) 2017-06-29
JP6903665B2 (ja) 2021-07-14
EP3184182A1 (fr) 2017-06-28
PL3184182T3 (pl) 2018-08-31
CN108367326B (zh) 2019-12-03
CN108367326A (zh) 2018-08-03
JP2019507015A (ja) 2019-03-14
RU2018121138A (ru) 2020-01-23
RU2717427C2 (ru) 2020-03-23
KR20180097696A (ko) 2018-08-31
KR102590875B1 (ko) 2023-10-17
RU2018121138A3 (fr) 2020-02-18
ES2681486T3 (es) 2018-09-13

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