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1. WO2009003342 - A HIGH EFFICIENT, ENERGY-SAVING PROCESS OF CONTINUOUS CASTING-ROLLING OF THE STRIP STEELS

Publication Number WO/2009/003342
Publication Date 08.01.2009
International Application No. PCT/CN2007/070233
International Filing Date 04.07.2007
Chapter 2 Demand Filed 08.12.2008
IPC
B21B 1/46 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
1Metal 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
46for rolling metal immediately subsequent to continuous casting
CPC
B21B 1/466
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
1Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section
46for rolling metal immediately subsequent to continuous casting
466in a non-continuous process, i.e. the cast being cut before rolling
B21B 2015/0014
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
15Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
0007Cutting or shearing the product
0014transversely to the rolling direction
B21B 2015/0057
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
15Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
0057Coiling the rolled product
B21B 2273/12
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
2273Path parameters
12End of product
B21B 2273/16
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
2273Path parameters
12End of product
16Tail or rear end
B21B 39/004
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
39Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
004Transverse moving
Applicants
  • 宝山钢铁股份有限公司 BAOSHAN IRON & STEEL CO., LTD. [CN]/[CN] (AllExceptUS)
  • 陈应耀 CHEN, Yingyao [CN]/[CN] (UsOnly)
Inventors
  • 陈应耀 CHEN, Yingyao
Agents
  • 上海专利商标事务所有限公司 SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC
Priority Data
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) A HIGH EFFICIENT, ENERGY-SAVING PROCESS OF CONTINUOUS CASTING-ROLLING OF THE STRIP STEELS
(FR) PROCÉDÉ À ÉCONOMIE D'ÉNERGIE ET TRÈS EFFICACE POUR COULER-LAMINER EN CONTINU DES BANDES D'ACIER
(ZH) 一种高效、节能的带钢连铸连轧工艺
Abstract
(EN)
A high efficient, energy-saving process of continuous casting-rolling of the strip steels includes the following steps: continuous casting the blanks, cutting the casting blanks, transfering the casting blank to a heating furnaces by a roller track, heating the casting blanks, dephosphorizing the casting blanks, rough rolling, cutting the heads and the ends, finishing, cooling and curling. The continuous casting step is provided with at least two casting liquids, and is provided with at least two furnaces for the casting blanks heating. Said furnaces are interlaced arranged in the both sides of the rolling line. The invention realizes four casting liquids entering into a rolling line, and they are continuous rolled at a same high temperature, thus the throughput of CCM and the rolling mill is highly matching.
(FR)
L'invention concerne un procédé à économie d'énergie et très efficace pour couler-laminer en continu des bandes d'acier, le procédé comprenant les étapes suivantes consistant à couler en continu les ébauches, découper les ébauches de coulée, transférer l'ébauche de coulée à des fours de chauffage par un rail à galets, chauffer les ébauches de coulée, déphosphorer les ébauches de coulée, effectuer un laminage de dégrossissage, découper les têtes et les extrémités, parachever, refroidir et rouler. L'étape de coulée continue est effectuée avec au moins deux liquides de coulée et comporte au moins deux fours pour le chauffage des ébauches de coulée. Lesdits fours sont disposés entrelacés sur les deux côtés de la ligne de laminage. L'invention permet à quatre liquides de coulée d'entrer dans une ligne de laminage, et ils sont laminés en continu à une même température élevée, le débit de CCM et du laminoir correspondent ainsi fortement.
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