Patent classifications
B22D11/04
Dynamic mold shape control for direct chill casting
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.
Prediction method for mold breakout based on feature vectors and hierarchical clustering
A prediction method for mold breakout based on feature vectors and hierarchical clustering is disclosed, which comprises: respectively extracting temperature feature vectors of historical data under sticking breakout and normal conditions and on-line actually measured data to establish a feature vector sample set; performing normalization and hierarchical clustering on the sample set; and checking and judging whether the feature vectors extracted on line belong to a breakout cluster, and then identifying and predicting mold breakout. The method avoids the steps of tedious adjustment and modification of alarm threshold and other parameters, overcomes the artificial dependence of the previous breakout prediction method, has good robustness and mobility; and through temperature feature extraction, achieves accurate identification of sticking breakout temperature patterns, avoids missing alarms and significantly reduces the number of times of false alarms, and greatly reduces the data calculation amount and calculation time, guaranteeing the timeliness of on-line prediction.
Method for controlling a continuous casting system
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.
Continuous casting mold, continuous casting device, and continuous casting method
A crack-free continuous casting mold configured so that occurrence of cracks at a casting billet can be reduced even in a case where a casting speed exceeds 500 mm/min. The continuous casting mold continuously casts a casting billet while cooling molten metal by a cooling device provided at a cooling casting mold. The cooling device includes multiple cooling nozzles configured to release coolant water to the casting billet pulled out of the cooling casting mold to cool the casting billet. Multiple ejection ports of the multiple cooling nozzles are arranged along an outer circumferential direction of a surface of the casting billet. Each ejection port has a short side and a long side, and is configured such that the long side is arranged along an axial direction of the casting billet.
Continuous casting mold, continuous casting device, and continuous casting method
A crack-free continuous casting mold configured so that occurrence of cracks at a casting billet can be reduced even in a case where a casting speed exceeds 500 mm/min. The continuous casting mold continuously casts a casting billet while cooling molten metal by a cooling device provided at a cooling casting mold. The cooling device includes multiple cooling nozzles configured to release coolant water to the casting billet pulled out of the cooling casting mold to cool the casting billet. Multiple ejection ports of the multiple cooling nozzles are arranged along an outer circumferential direction of a surface of the casting billet. Each ejection port has a short side and a long side, and is configured such that the long side is arranged along an axial direction of the casting billet.
Method and device for producing foundry ingots from metal
The invention relates to a method for producing foundry ingots (1) from metal, in particular from steel, having a cross-sectional area of more than 0.1 m.sup.2, wherein liquid metal (2) is discharged into an ingot mold (15) open at the bottom either directly form a casting ladle (11) or via a tundish (12), and wherein, by a drawing piston (28), which is vertically movable in the direction of a longitudinal axis (5) of the foundry ingot (1) and on which the foundry ingot (1) is at least indirectly arranged, the at least partially solidified foundry ingot (1) is drawn from the ingot mold (15) in the direction of the longitudinal axis (5).
Continuous casting mold and method for continuously casting steel
A continuous casting mold including a water-cooled copper mold having a mold copper plate including an inner wall surface, recessed portions disposed partially or entirely in a region of the inner wall surface of the water-cooled copper mold from at least a position located at a meniscus to a position located 20 mm lower than the meniscus, and material-filled layers disposed in the recessed portions with a metal or nonmetal having a thermal conductivity different from that of the mold copper plate of the water-cooled copper mold. A shape of each of the recessed portions at a surface of the mold copper plate includes a curved surface.
Continuous casting mold and method for continuously casting steel
A continuous casting mold including a water-cooled copper mold having a mold copper plate including an inner wall surface, recessed portions disposed partially or entirely in a region of the inner wall surface of the water-cooled copper mold from at least a position located at a meniscus to a position located 20 mm lower than the meniscus, and material-filled layers disposed in the recessed portions with a metal or nonmetal having a thermal conductivity different from that of the mold copper plate of the water-cooled copper mold. A shape of each of the recessed portions at a surface of the mold copper plate includes a curved surface.
MOLD PLATE
A mold plate has a casting side and a rear side remote from the casting side and includes a cooling channel which is open with respect to the rear side 3 and is arranged in the rear side. An insert is arranged in the cooling channel to reduce a flow cross-section of the cooling channel. The insert is fastened to the mold plate in a pivotally movable manner so that the insert can be pivoted from a closed position into an open position.
Continuous casting apparatus and continuous casting method for multilayered slab
A continuous casting apparatus for a multilayered slab includes a ladle having a molten steel supply nozzle; a tundish having a first retention portion that receives supply of the molten steel from the ladle through the molten steel supply nozzle and has a first immersion nozzle and a second retention portion that is adjacent to the first retention portion with a flow path interposed therebetween and has a second immersion nozzle; an addition mechanism that adds a predetermined element to the molten steel in the second retention portion; and a casting mold that receives supply of the molten steel from the tundish.