EP3027330B1 - Installation de laminage de coulée continue de bandes métalliques - Google Patents

Installation de laminage de coulée continue de bandes métalliques Download PDF

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Publication number
EP3027330B1
EP3027330B1 EP14744846.8A EP14744846A EP3027330B1 EP 3027330 B1 EP3027330 B1 EP 3027330B1 EP 14744846 A EP14744846 A EP 14744846A EP 3027330 B1 EP3027330 B1 EP 3027330B1
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EP
European Patent Office
Prior art keywords
casting
strip
section
rolling plant
parallel
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Application number
EP14744846.8A
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German (de)
English (en)
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EP3027330A1 (fr
Inventor
Jörg BAUSCH
Olaf Norman Jepsen
Guido Kleinschmidt
Markus Reifferscheid
Dieter Rosenthal
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SMS Group GmbH
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SMS Group GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1282—Vertical casting and curving the cast stock to the horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/14—Plants for continuous casting
    • B22D11/141—Plants for continuous casting for vertical casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill

Definitions

  • the plant according to the invention is particularly suitable for steel producers in regions where so far no flat steel production took place and where a specialization to regional requirements should take place.
  • Cast rolling are basically known in the art, such. B. from the EP 2 441 540 A1 , of the DE 196 39 302 A1 , of the WO 2007/039483 , of the DE 41 35 214 A1 and the EP 0 535 368 A1 ,
  • the German patent application DE 41 35 214 A1 discloses a cast roll mill having a vertical exit mold for producing a cast strand and a strand guide for diverting the cast strand from the vertical to the horizontal.
  • the strand guide comprises a vertical part following the mold in the casting direction and a deflecting part adjoining the vertical part.
  • the vertical part in turn comprises a first parallel section following the mold, a reduction section following the parallel section in the casting direction, and a second parallel section following the reduction section in the casting direction, in which the through solidification of the cast strand takes place.
  • Subordinated to the strand guide is a dicing device for dividing the casting strand into metal strips of predetermined length, a tunnel kiln, a Steckel mill for further reduction in thickness of the metal strips, a cooling section and a reel device for winding the rolled metal strip to a collar.
  • the strand guide consists of a plurality of successively connected individual pairs of rollers, these pairs of rollers or the individual roles of the pairs of rollers are each made individually.
  • the EP 0 535 368 A1 discloses a casting and rolling plant for producing metal strips, comprising: a mold with a vertical output for producing a casting strand and at least one strand guide for deflecting the casting strand from the vertical to the horizontal, wherein the strand guide has a mold downstream of the mold in the casting direction and a deflection part.
  • the vertical part has a first parallel section following the mold, a reduction section following the parallel section in the casting direction, and a second parallel section following the reduction section in the casting direction, in which solidification of the cast strand takes place (FIG. 4).
  • a dividing device for dividing the casting strand into metal strips of predetermined length, a tunnel kiln, a Steckel mill, a cooling section and a reel device for winding the rolled metal strip into a collar are connected downstream of the strand guide.
  • the preamble of claim 1 is based on EP 0 535 368 A1 ,
  • the invention has the object of developing a known cast roll mill for the production of metal bands to the effect that they can be made more compact in particular in their height and that they also produce cheaper and easier to use.
  • This object is solved by the subject matter of patent claim 1.
  • the cast roll mill according to the invention is characterized in that the supported length of the casting mill, which extends from the mold level in the mold to the last roll of the vertical part of the strand guide, 2 to 5 m and that the vertical part of the strand guide of a maximum of two, preferably only a single segment is formed with a fixed side and a lot side.
  • the supported length is measured in the casting direction from the casting mirror in the mold to the end of the second parallel part, but not to the end of the vertical part, that is, not to the bending driver. Due to the claimed short supported length, the cast rolling mill also builds in height only briefly compared with other known in the art casting rolling plants.
  • the formation of the vertical part of the strand guide in segmental design with preferably only a single segment with a continuous one-piece fixed side and a multi-part lot side has the advantage that the number of actuators, ie the number of necessary for the roles Anstell is smaller than in a design of the strand guide with a variety of individually controllable roles.
  • the multi-part designed Losseite is therefore required to make the first parallel section, the subsequent reduction section and the second parallel section with their respective roles individually.
  • the diameter of all strand guide rollers is less than 140 mm. This roller size is sufficient, in particular if it is reduced within the reduction section not only with one, but with a plurality of roller pairs.
  • the overall height H2 of the casting rolling mill is less than 7.5 m.
  • the first parallel section has a supported length less than 500 mm and comprises one to three pairs of rollers, which are arranged one behind the other in the casting direction or it is designed in the form of a grid for initially bending-free guidance of the cast strand.
  • the reduction section advantageously comprises three to eight roller pairs, which are arranged one after the other in the casting direction over a length of less than 1.5 m and form a liquid core reduction LCR reduction section.
  • the second parallel section preferably has a length of less than 1.5 m.
  • the two last-mentioned features that is, the number of pairs of rollers in the reduction section and the length of the second parallel section advantageously serve to limit the height of the casting mill.
  • the cast last in the last pair of rollers of the second parallel part of the strand guide is advantageously adjustable to a size of the roll gap of 20 to 40 mm.
  • the narrow sides of the mold lead to a casting thickness ex Kokilles from 40 to 60 mm.
  • FIG. 1 shows the casting and rolling system according to the invention in an overall view.
  • the casting rolling mill 100 as seen in the casting direction R comprises the following components: a casting platform 105, a mold 110, a strand guide 120, a dicing device 130, a tunnel kiln 140, a Steckel mill 160, a cooling section 170 and a coiler 180.
  • an inductive heating 150 may be arranged between the Tunnel furnace and the Steckel rolling mill.
  • the individual components are described in more detail below.
  • Casting platform 105 includes a turret or pan for handling pans.
  • a distributor is used for sequence casting, wherein the cast rolling mill and in particular the strand guide are designed for single-strand operation.
  • the casting operation enables concealed casting with ceramic components between pan and distributor (shadow tube) or between distributor and mold (dip tube).
  • the distributor is typically covered with cover powder while the mold is covered with casting powder.
  • the mold 110 is typically a compact strip production CSP mold. It can consist of four individual side walls, typically two broad sides and two narrow sides, or be formed as a frame mold. In training with narrow sides a narrow-side adjustment is advantageously provided for adjusting the G manformates before and during the casting operation; Preferably, the setting is done online.
  • the mold is equipped with an integrated level measurement, which works, for example, radiometrically or based on an eddy current measurement.
  • the mold can be designed as a funnel mold with a crown of 20 to 60 mm on the upper Kokillenkopf.
  • the output can be formed in parallel or also have a Restbomb réelle of less than 10 mm.
  • the mold plate, d. H. the side walls of the mold are made of copper or a copper alloy with or without full or partial wear-reducing coating.
  • the mold is preferably equipped with an oscillation drive for up to 660 oscillation strokes per minute and for amplitudes of up to +/- 5 mm.
  • the mold is typically water cooled with water levels of 1,000 to 4,000 liters per minute per meter of casting width.
  • the length or height of the hopper mold is 0.9 to 1.3 m.
  • the outlet thickness is 40 to 60 mm.
  • the casting speed is between 2.5 and 7.5 m / min.
  • the strand guide 120 following the mold 110 in the casting direction comprises a vertical part 125 and a deflection part 128 adjoining it in the casting direction R. Both parts will be described below with reference to FIG FIG. 2 described in more detail.
  • the vertical part 125 comprises a first parallel section 125-1 following the mold, a reduction section 125-2 following the parallel section in the casting direction, and a reduction section 125-2 following in the casting direction Casting subsequent second parallel section 125-3, in which the solidification of the cast strand.
  • the first parallel part 125-1 comprises a maximum of three roller pairs, which are arranged below the mold and with respect to the casting direction in alignment with the exit of the mold. Alternatively, it may be formed as a guide grid. Regardless of its training, its length in the casting direction is a maximum of 500 mm.
  • the reduction section 125-2 comprises three to eight roller pairs and extends over a length of less than 1.5 m, preferably less than 1 m.
  • the cast strand is reduced in thickness between 33% and 66% according to the Liquid Core Reduction LCR process.
  • a short strand guide, in particular a short reduction part, with a simultaneously large reduction or thickness decrease in the conically set reduction section 125-2 is typical for the plant concept according to the invention; reduction rates > 13 mm m are adjustable.
  • the reduction section 125-2 is followed in the casting direction by the said second parallel section 125-3 with a length of less than 1.5 m, preferably less than 1.0 m.
  • the second parallel section comprises four to ten pairs of rollers.
  • the second parallel section may also be slightly tapered to accommodate the thermal taper, i. H. shrinkage of the material due to cooling.
  • the vertical strand guide region 125 is preferably formed of only one segment with a fixed side and a loose side.
  • the fixed side, left of the cast strand 210 in FIG. 2 the segment is formed in one piece, while the lot side, right of the casting strand 210 in FIG. 2 , is divided into three parts by way of example.
  • the employment of the pairs of rollers or the frame of the segments is carried out, as usual, via position-controlled hydraulic cylinder with force monitoring. Within the segment area can be dispensed with a roller drive.
  • the strand guide rollers are at least simply divided rollers with diameters of less than 180 mm, preferably in axle roller design with internal cooling.
  • the secondary cooling in the region of the vertical part via single-fluid or two-fluid nozzles with specific Wasserbeetzschlagungsêtn of 0.5 to 4 l / kg of cooling medium, z. B. liters of water per kilogram of steel. Secondary cooling is controlled via spray plans or preferably via a process model.
  • the strand drive comprises at the end of the vertical part 125 a bending driver 190, which is in the form of one or at most two roller pairs, in which both rollers are driven.
  • the distance between the end of the second parallel part 125-3, seen in the casting direction, and the bending driver 190, in particular the axes of rotation of the pair of rollers, is less than 1 m.
  • the strand drive includes a directional driver 195 with up to 4 driven rollers in the directional range, ie at the end of the deflection 128.
  • the bending and straightening are individually controllable pairs of rollers, preferably with position and force monitoring. Bending and guide rollers in the deflecting 128 provide sufficient guidance of the metal strip between the bending driver 190 and the straightening driver 195 at the end of the deflection.
  • the total height H2 of the plant which is measured from the casting level to the strand after its deflection into the horizontal, is between 5 and 7.5 m.
  • said inductive heating 150 is arranged to heat the slab or the metal strip and / or to equalize the temperature of the metal strip over its length.
  • the metal strip is rolled in, for example, three, five or seven passes to a predetermined final thickness. Behind the Steckel mill follow the said cooling section 170 and the reel 180th

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

Claims (6)

  1. Installation de coulée continue (100) pour la fabrication de bandes métalliques (220), présentant :
    une lingotière (110) comprenant une sortie verticale pour la production d'une barre de coulée continue (210) ;
    au moins un guidage de barre (120) pour la déviation de la barre de coulée continue de la verticale à l'horizontale ; dans laquelle le guidage de barre (120) présente une partie verticale (125) qui fait suite à la lingotière dans la direction de coulée continue (R) et une partie faisant office de déviation (128) ; dans laquelle la partie verticale présente un premier tronçon parallèle (125-1)qui fait suite à la lingotière, un tronçon de réduction (125-2) qui fait suite au tronçon parallèle dans la direction de coulée continue et un deuxième tronçon parallèle (125-3) qui fait suite au tronçon de réduction dans la direction de coulée continue, deuxième tronçon dans lequel a lieu la solidification complète de la barre de coulée continue ;
    un mécanisme de découpe (130) pour la découpe de la barre de coulée continue (210) afin d'obtenir des bandes métalliques (220) possédant une longueur prédéterminée ;
    un four tunnel (140) ;
    un laminoir Steckel (160) ;
    un tronçon de refroidissement (170) ; et
    un mécanisme de bobinage (180) pour le bobinage de la bande métallique laminée (220) afin d'obtenir une bobine (250) ;
    caractérisée
    en ce que la longueur supportée (H1) de l'installation de coulée continue (100), qui s'étend depuis la surface du bain dans la lingotière jusqu'au dernier rouleau de la deuxième partie parallèle (125-3) du guidage de barre (120), s'élève de 2 à 5 m ;
    en ce que la partie verticale (125) du guidage de barre est formée à partir d'un maximum de deux segments possédant un côté fixe et un côté mobile ;
    en ce que le diamètre (D) de tous les rouleaux du guidage de barre (122) est inférieur à 140 mm dans le guidage de barre ; et
    en ce que l'encombrement total (H2) de l'installation de coulée continue (100) est inférieur à 7,5 m.
  2. Installation de coulée continue (100) selon la revendication 1, caractérisée en ce que le premier tronçon parallèle (125-1)est inférieur à 500 mm et comprend de 1 à 3 paires de rouleaux, qui sont disposées les unes derrière les autres dans la direction de coulée continue, ou une grille pour le guidage de la barre de coulée continue (210) dans un premier temps en l'absence de flexion.
  3. Installation de coulée continue (100) selon l'une quelconque des revendications précédentes, caractérisée en ce que le tronçon de réduction (125-2) présente jusqu'à 8 paires de rouleaux, qui sont disposées les unes derrière les autres dans la direction de coulée continue sur une longueur inférieure à 1,5 m et qui forment un tronçon de réduction de type Liquid-Core-Reduction LCR.
  4. Installation de coulée continue (100) selon l'une quelconque des revendications précédentes, caractérisée en ce que le deuxième tronçon parallèle (125-3) présente une longueur inférieure à 1,5 m.
  5. Installation de coulée continue (100) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'on peut régler la fente d'au moins la dernière paire de rouleaux (123) du guidage de barre dans la direction de coulée continue à une épaisseur de coulée continue pour la barre de coulée continue de 20 à 40 mm.
  6. Installation de coulée continue (100) selon l'une quelconque des revendications précédentes, caractérisée en ce que les petits côtés de la lingotière (110) forment une épaisseur de coulée continue de la barre de coulée continue de 40 à 60 mm.
EP14744846.8A 2013-07-30 2014-07-29 Installation de laminage de coulée continue de bandes métalliques Active EP3027330B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310214939 DE102013214939A1 (de) 2013-07-30 2013-07-30 Gießwalzanlage zum Herstellen von Metallbändern
PCT/EP2014/066319 WO2015014865A1 (fr) 2013-07-30 2014-07-29 Installation de laminage de coulée continue de bandes métalliques

Publications (2)

Publication Number Publication Date
EP3027330A1 EP3027330A1 (fr) 2016-06-08
EP3027330B1 true EP3027330B1 (fr) 2018-09-26

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ID=51257496

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Application Number Title Priority Date Filing Date
EP14744846.8A Active EP3027330B1 (fr) 2013-07-30 2014-07-29 Installation de laminage de coulée continue de bandes métalliques

Country Status (4)

Country Link
EP (1) EP3027330B1 (fr)
CN (1) CN105492132B (fr)
DE (1) DE102013214939A1 (fr)
WO (1) WO2015014865A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015210863A1 (de) 2015-04-15 2016-10-20 Sms Group Gmbh Gieß-Walz-Anlage und Verfahren zu deren Betrieb
DE102018207137A1 (de) * 2018-05-08 2019-11-14 Sms Group Gmbh Gieß-Walz-Anlage, und Verfahren zu deren Betrieb
IT201800006563A1 (it) * 2018-06-21 2019-12-21 Impianto e procedimento per la produzione di un nastro metallico laminato a caldo
CN110653259A (zh) * 2018-06-29 2020-01-07 宝山钢铁股份有限公司 一种金属复合板带连续生产装置和方法

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0535368A1 (fr) 1991-09-19 1993-04-07 Sms Schloemann-Siemag Aktiengesellschaft Procédé et dispositif de coulée continue d'un lingot métallique
US5743125A (en) 1995-09-06 1998-04-28 Sms Schloemann-Siemag Aktiengesellschaft Hot strip production plant for rolling thin rolled strip
US5803155A (en) * 1995-05-18 1998-09-08 Danieli & C. Officine Meccaniche Spa Casting line for slabs
US6129137A (en) 1997-12-17 2000-10-10 Sms Schloemann-Siemag Aktiengesellschaft Method for producing thin slabs in a continuous casting plant
JP2001058247A (ja) 1999-08-19 2001-03-06 Sumitomo Metal Ind Ltd 連続鋳造方法
US20010020379A1 (en) 1999-03-19 2001-09-13 Ginzburg Vladimir B. Super thin strip hot rolling
US20040035550A1 (en) 2000-11-16 2004-02-26 Karl Rittner Method and device for producing thin slabs
WO2007039483A1 (fr) 2005-09-22 2007-04-12 Danieli & C. Officine Meccaniche S.P.A. Procede et installation de production de bande metallique
WO2007045988A2 (fr) * 2005-10-21 2007-04-26 Danieli & C. Officine Meccaniche S.P.A. Processus et installation de production de bande metallique
WO2008113848A1 (fr) * 2007-03-21 2008-09-25 Danieli & C. Officine Meccaniche S.P.A. Procédé et usine pour la production de bandes de métal
WO2011158091A2 (fr) 2010-06-14 2011-12-22 Danieli & C. Officine Meccaniche Spa Procédé de laminage pour des produits plats et ligne de laminage associée
EP2441540A1 (fr) 2010-10-12 2012-04-18 Siemens VAI Metals Technologies GmbH Procédé et installation de production à efficience énergétique d'une bande chaude en acier
US20130160277A1 (en) 2010-06-14 2013-06-27 Danieli & C. Officine Meccaniche Spa Rolling line and relative method

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Publication number Priority date Publication date Assignee Title
DE4135214C2 (de) 1991-09-19 2000-12-14 Sms Demag Ag Verfahren und Anlage zur Herstellung von Stahlband
JP3008821B2 (ja) * 1994-07-29 2000-02-14 住友金属工業株式会社 薄鋳片の連続鋳造方法および装置
DE19639302C2 (de) * 1996-09-25 2000-02-24 Schloemann Siemag Ag Verfahren und Vorrichtung zur Erzeugung von dünnen Brammen auf einer Stranggießanlage
DE19750817C2 (de) * 1997-11-17 2003-03-20 Sms Demag Ag Verfahren zur Verbesserung der Oberflächenqualität einer stranggegossenen Bramme
CN1224643A (zh) * 1997-11-21 1999-08-04 Sms舒路曼-斯玛公司 带直通式结晶器和铸坯导辊装置的板坯连铸设备

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0535368A1 (fr) 1991-09-19 1993-04-07 Sms Schloemann-Siemag Aktiengesellschaft Procédé et dispositif de coulée continue d'un lingot métallique
US5803155A (en) * 1995-05-18 1998-09-08 Danieli & C. Officine Meccaniche Spa Casting line for slabs
US5743125A (en) 1995-09-06 1998-04-28 Sms Schloemann-Siemag Aktiengesellschaft Hot strip production plant for rolling thin rolled strip
US6129137A (en) 1997-12-17 2000-10-10 Sms Schloemann-Siemag Aktiengesellschaft Method for producing thin slabs in a continuous casting plant
US20010020379A1 (en) 1999-03-19 2001-09-13 Ginzburg Vladimir B. Super thin strip hot rolling
JP2001058247A (ja) 1999-08-19 2001-03-06 Sumitomo Metal Ind Ltd 連続鋳造方法
US20040035550A1 (en) 2000-11-16 2004-02-26 Karl Rittner Method and device for producing thin slabs
WO2007039483A1 (fr) 2005-09-22 2007-04-12 Danieli & C. Officine Meccaniche S.P.A. Procede et installation de production de bande metallique
WO2007045988A2 (fr) * 2005-10-21 2007-04-26 Danieli & C. Officine Meccaniche S.P.A. Processus et installation de production de bande metallique
WO2008113848A1 (fr) * 2007-03-21 2008-09-25 Danieli & C. Officine Meccaniche S.P.A. Procédé et usine pour la production de bandes de métal
WO2011158091A2 (fr) 2010-06-14 2011-12-22 Danieli & C. Officine Meccaniche Spa Procédé de laminage pour des produits plats et ligne de laminage associée
US20130160277A1 (en) 2010-06-14 2013-06-27 Danieli & C. Officine Meccaniche Spa Rolling line and relative method
EP2441540A1 (fr) 2010-10-12 2012-04-18 Siemens VAI Metals Technologies GmbH Procédé et installation de production à efficience énergétique d'une bande chaude en acier

Also Published As

Publication number Publication date
DE102013214939A1 (de) 2015-02-05
EP3027330A1 (fr) 2016-06-08
WO2015014865A1 (fr) 2015-02-05
CN105492132B (zh) 2018-11-13
CN105492132A (zh) 2016-04-13

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