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Research on Consteel EAF Automatic Control System

Author: ZhangYaWen
Tutor: WangXiaoGang；ChenJinSong
School: Northeastern University
Course: Control Engineering
Keywords: Consteel process Control Model Steel temperature Automatic control
CLC: TF345
Type: Master's thesis
Year: 2008
Downloads: 51
Quote: 0
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Abstract


Consteel process is a continuous loading, continuous scrap preheating , melting and continuous function continuous smelting furnace steelmaking . Compared with the conventional smelting furnace smelting short cycle, low energy consumption, refining , smelting noise, cleaner production , etc., in the steel field, is a kind of vitality and competitiveness of advanced electric steelmaking technology . In this paper, Ningxia Power Investment electric furnace steel companies 75t Consteel source project as the subject of automated control systems Consteel Electric made ​​the following studies : ( 1 ) to establish the amount of scrap estimation models meet Consteel process cases in the smelting process into an electric furnace scrap was rapidly melting furnace without solid scrap , weighing system available through the furnace of molten steel weight data, using scrap estimation model can estimate added to the amount of scrap in an electric furnace , it is the realization of liquid steel temperature estimation and feed conveyor speed control of the premise. ( 2 ) establishment of liquid steel temperature estimation model satisfies Consteel process case, according to the law of conservation of energy estimation model to establish the temperature of molten steel , molten steel furnace which can monitor temperature changes , is to achieve automatic control of temperature of molten steel foundation. ( 3) establishing a feed conveyor speed process control model to meet Consteel case, depending on the feed conveyor speed control model can control the feed rate of scrap , the temperature approaches the target temperature of molten steel , to achieve Constee process (4) Consteel liquid steel temperature control realization of the program written in the Consteel Delph liquid steel automatic temperature control procedures, to achieve automatic control of temperature of molten steel . ( 5 ) research-based control system function design and realization method ( 6 ) of the process control system function design and implementation through research mastered Consteel liquid steel automatic temperature control principle and method to optimize processes, improve product quality to provide a theoretical guidance.

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CLC: > Industrial Technology > Metallurgical Industry > Metallurgical machinery,metallurgical production automation > Steel-making machinery and production automation > Steel production automation
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