Online identification of the lower heating value of the coal entering the furnace based on the boiler-side whole process models
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- 作者：Liang Xu xuliang34@163.com" class="auth_mail" title="E-mail the corresponding author ; Jingqi Yuan ; jqyuan@sjtu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Lower heating value ; Online identification ; Boiler-side whole process ; Dynamic modeling ; Coal-fired power plant
- 刊名：Fuel
- 出版年：2015
- 出版时间：1 December 2015
- 年：2015
- 卷：161
- 期：Complete
- 页码：68-77
- 全文大小：1628 K
文摘
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A model-based online approach of identifying the LHV of the coal is proposed.
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The boiler-side whole process is modeled based on the thermodynamic balances.
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The mass flow rate of the coal and the total output energy are accurately calculated.
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A transfer function model is applied to approximate the phase mismatch.
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The accuracy of the approach is well validated with offline assays of the LHV.
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