| A mathematical model for optimized operation and control in a CDQ-Boiler system |
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| 引用本文： | De Wang Tao Yang Zhi Wen Junxiao Feng Ning Kong Qin Wang Weimin Wang. A mathematical model for optimized operation and control in a CDQ-Boiler system[J]. 北京科技大学学报(英文版), 2005, 12(5): 390-393 |
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| 作者姓名： | De Wang Tao Yang Zhi Wen Junxiao Feng Ning Kong Qin Wang Weimin Wang |
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| 作者单位： | [1]Mechanical Engineering School, University of Science and Technology Beijing, Beijing 100083, China [2]Baoshao Iron and Steel Co. Ltd., Shanghai 201900, China |
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| 摘 要： | Based on analyzing the thermal process of a CDQ （coke dry quenching）-Boiler system, the mathematical model for opti-mized operation and control in the CDQ-Boiler system was developed. It includes a mathematical model for heat transferring process in the CDQ unit, a mathematical model for heat transferring process in the boiler and a combustion model for circulating gas in the CDQ-Boiler system. The model was verified by field data, then a series of simulations under several typical operating conditions of CDQ-Boiler were carried on, and in turn, the online relation formulas between the productivity and the optimal circulating gas, and the one between the productivity and the optimal second air, were achieved respectively. These relation equations have been success- fully used in a CDQ-Boiler computer control system in the Baosteel, to realize online optimized guide and control, and meanwhile high efficiency in the CDQ-Boiler system has been achieved.
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| 关 键 词： | CDQ锅炉系统 数学模型 优化设计 自动控制 热传递 |
| 收稿时间： | 2004-10-26 |
A mathematical model for optimized operation and control in a CDQ-Boiler system |
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| De;Wang;Tao;Yang;Zhi;Wen;Junxiao;Feng;Ning;Kong;Qin;Wang;Weimin;Wang. A mathematical model for optimized operation and control in a CDQ-Boiler system[J]. Journal of University of Science and Technology Beijing, 2005, 12(5): 390-393 |
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| Authors: | De Wang Tao Yang Zhi Wen Junxiao Feng Ning Kong Qin Wang Weimin Wang |
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| Abstract: | Based on analyzing the thermal process of a CDQ (coke dry quenching)-Boiler system, the mathematical model for optimized operation and control in the CDQ-Boiler system was developed. It includes a mathematical model for heat transferring process in the CDQ unit, a mathematical model for heat transferring process in the boiler and a combustion model for circulating gas in the CDQ-Boiler system. The model was verified by field data, then a series of simulations under several typical operating conditions of CDQ-Boiler were carried on, and in tum, the online relation formulas between the productivity and the optimal circulating gas, and the one between the productivity and the optimal second air, were achieved respectively. These relation equations have been successfully used in a CDQ-Boiler computer control system in the Baosteel, to realize online optimized guide and control, and meanwhile high efficiency in the CDQ-Boiler system has been achieved. |
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| Keywords: | coke dry quenching-boiler system optimized operation and control mathematical model |
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