B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/18 (2006.01) B22D 11/16 (2006.01) B22D 11/20 (2006.01)
Patent
CA 2424368
The invention relates to a method, which is used in the area of secondary metallurgy (4) in its entirety with a final temperature-determining process step (4.1) such as a ladle furnace, for controlling the temperature of steel from the surface of the bath of a continuous casting ingot mold (1) up to the furnace tap (5) of a steel producing process. According to the invention, the temperature of the steel in the surface of the bath is controlled based on the equation TML = TLI + X ~C (X = 5 - 15 ~C) and while respecting the same such that a jump in temperature (9) between the surface of the bath in the ingot mold (1) and a distributor (3) is detected according to the pouring rate (6) for a predetermined billet size. In addition, the ladle history (7) with regard to the time intervals, such as ladle full , ladle empty and ladle state, such as ladle bricking up and ladle age is detected as well as a jump in the temperature of steel between the distributor (3) and the last ladle furnace temperature (LF-ex).
L'invention concerne un procédé pour contrôler la température de l'acier à la surface du bain d'une coquille de coulée continue (1) dans le domaine de la métallurgie secondaire (4) dans son ensemble, avec une étape de processus déterminante pour la température finale (4.1) tel qu'un four-poche, jusqu'à la percée de four (5) au cours d'un processus de production d'acier. Ce procédé est caractérisé en ce que la température de l'acier à la surface du bain est contrôlée sur la base de T¿ML? = T¿li? + X ·C (X = 5 - 15·C) et respectée en tenant compte de la détermination d'une saute de température (9) entre la surface du bain dans la coquille (1) et un distributeur (3) en relation avec la vitesse de coulée (6) pour un format de barre prédéterminé, de l'historique de la poche (7) en termes de périodes, comme p. ex. "poche pleine", "poche vide", et de l'état de la poche, comme p. ex. son revêtement, son vieillissement, ainsi que d'une saute de température de l'acier entre le distributeur (3) et la dernière température de four-poche (LF-ex).
Feldhaus Stephan
Parschat Lothar
Pleschiutschnigg Fritz-Peter
Rollinger Bernt
Schwencke Eckart
Riches Mckenzie & Herbert Llp
Sms Demag Aktiengesellschaft
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