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A CONTROL SYSTEM FOR CONTINUOUS MEASUREMENT OF LIQUID STEEL LEVEL IN A MOVABLE TUNDISH
A CONTROL SYSTEM FOR CONTINUOUS MEASUREMENT OF LIQUID STEEL LEVEL IN A MOVABLE TUNDISH
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机译:可移动中间包中钢液含量连续测量的控制系统
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摘要
A control system for continuous measurement of liquid steel level in a movable tundish for feeding liquid metal in a continuous casting mould comprising: a level measurement laser sensor (6) for sensing the free metal level in the tundish (3) and sending the generated signal to be processed in a processor (16); a distance meter sensor (8) focused on the upper surface of the shell of the tundish (3) to locate the instantaneous position of the vertically movable tundish (3) connected to the caster through a submerged entry nozzle (4) and sending the generated signal to a processor (16); a converter (14) for converting the current signals received from said level measurement sensor (6) and distance meter sensor (8) into voltage signals; and a processor (16) with a display unit (18) coupled to the converter for receiving the voltage signals wherein the level of the liquid steel in the tundish is measured on prior knowledge of inclination of both the sensors from vertical and maximum vertical movement (h) of the tundish obtained by carrying out calibration of the two sensors (6 and 8) through mathematical relationships.
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