A method for improving center segregation and surface crack of continuous casting medium-thick slab of peritectic steel reduces the cooling intensity at the earlier stage of solidification and enhancing the cooling intensity at the final stage of solidification. For example, the cooling water amount of the wide face of the mould is 3400-3600 L/min, and the cooling water amount of the narrow face of the mould is 480-530 L/min. The cooling water amount of the wide face of the foot roller section is 239-298 L/min, and the cooling water amount of the narrow face of the foot roller section is 61-65 L/min. The total cooling water amount of the sector segment is 1517-2166 L/min.

The invention relates to a permanent mold plate having a plurality of fastening points (3) on the rear side (2) thereof for fastening purposes, and cooling ducts (5) which are adjacent to the fastening points (3) and are in the form of depressions that are located within the rear side (2) and are open towards the rear side (2). From the perspective of a fastening point (3) towards the casting side (4) of the mold plate (1) opposite the rear side (2), at least one cooling duct (5) extends all the way to a point located below the fastening point (3).

The invention relates to a permanent mold plate having a plurality of fastening points (3) on the rear side (2) thereof for fastening purposes, and cooling ducts (5) which are adjacent to the fastening points (3) and are in the form of depressions that are located within the rear side (2) and are open towards the rear side (2). From the perspective of a fastening point (3) towards the casting side (4) of the mold plate (1) opposite the rear side (2), at least one cooling duct (5) extends all the way to a point located below the fastening point (3).

An electromagnetic semi-continuous device comprises a crystallizer frame, an internal sleeve, a primary cooling water cavity, a secondary cooling water cavity and a tertiary cooling water cavity. An electromagnetic semi-continuous casting method comprises the steps of (1) adjusting angles of the adjustable spherical nozzles; (2) inserting a dummy bar head in a bottom of the internal sleeve; (3) feeding cooling water to the primary cooling water cavity and the secondary cooling water cavity, then spraying the cooling water to form primary cooling water and secondary cooling water, and exerting a magnetic field on the internal sleeve; (4) pouring the melts into the internal sleeve, starting the dummy bar head, and beginning to perform continuous casting; and (5) spraying tertiary cooling water through the tertiary cooling water cavity, so that casting billets reduce temperature until the continuous casting is completed.

An electromagnetic semi-continuous device comprises a crystallizer frame, an internal sleeve, a primary cooling water cavity, a secondary cooling water cavity and a tertiary cooling water cavity. An electromagnetic semi-continuous casting method comprises the steps of (1) adjusting angles of the adjustable spherical nozzles; (2) inserting a dummy bar head in a bottom of the internal sleeve; (3) feeding cooling water to the primary cooling water cavity and the secondary cooling water cavity, then spraying the cooling water to form primary cooling water and secondary cooling water, and exerting a magnetic field on the internal sleeve; (4) pouring the melts into the internal sleeve, starting the dummy bar head, and beginning to perform continuous casting; and (5) spraying tertiary cooling water through the tertiary cooling water cavity, so that casting billets reduce temperature until the continuous casting is completed.

Provided herein is a system, apparatus, and method for continuous casting of metal, and more particularly, to a mechanism for controlling the shape of a direct chill casting mold to dynamically control a profile of an ingot cast from the mold during the casting process. Embodiments may provide an apparatus for casting material including: first and second opposing side walls; first and second end walls extending between the first and second side walls, where the first and second opposing side walls and the first and second opposing end walls form a generally rectangular shaped mold cavity. At least one of the first and second opposing side walls may include two or more contact regions, where each of the two or more contact regions may be configured to be displaced relative to a straight line along the side wall.

Provided herein is a system, apparatus, and method for continuous casting of metal, and more particularly, to a mechanism for controlling the shape of a direct chill casting mold to dynamically control a profile of an ingot cast from the mold during the casting process. Embodiments may provide an apparatus for casting material including: first and second opposing side walls; first and second end walls extending between the first and second side walls, where the first and second opposing side walls and the first and second opposing end walls form a generally rectangular shaped mold cavity. At least one of the first and second opposing side walls may include two or more contact regions, where each of the two or more contact regions may be configured to be displaced relative to a straight line along the side wall.

A method of controlling a continuous casting system for producing slabs from a material, the continuous casting system having a number of molds for forming corresponding strands, the method including receiving a plurality of casting orders, determining for each of the casting orders a set of slabs to be cast, sorting the slabs to be cast of the sets of the casting orders to obtain a sorted base sequence, uniformly partitioning the sorted base sequence into a number of subsequences, adjusting slab widths of the slabs to be cast of the subsequence, wherein, due to the adjustment, the width changes between two slabs to be cast immediately one after the other in the subsequence do not exceed a step value, wherein adjusted subsequences are obtained from the adjusted slab widths, transmitting control data to the continuous casting system for producing the slabs to be cast determined in the adjusted subsequences.

Crystallizer for continuous casting comprising a tubular body (11) having at least one wall (12) which defines a through longitudinal casting cavity (13) and a plurality of longitudinal grooves (14) made at least on one part of the wall (12) and open toward the outside thereof. A covering binding (15) is associated to the external surface of the wall (12) to close the longitudinal groves (14) and thus obtain corresponding cooling channels (17) configured to make a cooling liquid flow inside them.

Crystallizer for continuous casting comprising a tubular body (11) having at least one wall (12) which defines a through longitudinal casting cavity (13) and a plurality of longitudinal grooves (14) made at least on one part of the wall (12) and open toward the outside thereof. A covering binding (15) is associated to the external surface of the wall (12) to close the longitudinal groves (14) and thus obtain corresponding cooling channels (17) configured to make a cooling liquid flow inside them.