| 主蒸汽母管及并列运行锅炉动态特性探讨 |
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| 引用本文： | 周怀春,吴季兰,韩才元.主蒸汽母管及并列运行锅炉动态特性探讨[J].华中科技大学学报(自然科学版),1993(Z1). |
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| 作者姓名： | 周怀春 吴季兰 韩才元 |
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| 作者单位： | 华中理工大学煤燃烧国家重点实验室
(周怀春，吴季兰)，华中理工大学煤燃烧国家重点实验室(韩才元) |
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| 摘 要： | 用热力学的原理分析了主蒸汽母管容积容量系数C_m相对于汽包炉汽水系统蓄热系数C_b的大小,得出动C_m/C_b<10~(-2),因此提出在分析并列运行机组汽压对象动态特性时,勿需将蒸汽母管作为一个积分环节处理,并在此基础上定量分析了并列运行机组汽压对象动态特性.
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| 关 键 词： | 锅炉 蒸汽母管 动态特性 |
On the Dynamic Characteristics of Steam Main and Boilers in Parallel Operation |
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| Zhou Huaichun Wu Jilan Han Caiyuan.On the Dynamic Characteristics of Steam Main and Boilers in Parallel Operation[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1993(Z1). |
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| Authors: | Zhou Huaichun Wu Jilan Han Caiyuan |
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| Institution: | Zhou Huaichun Wu Jilan Han Caiyuan |
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| Abstract: | The volume storage capacity Cm of the steam main of a type of boilers has been analyzed quantitatively. In the calculation, the thermal process in the steam main is assumed to be isentropic and adiabatic and it is found that Cm is roughly only one percent of Cb, the thermal storage capacity of the steam-water system. Thus, when the dynamic characteristics are to be analyzed, it is not necessary to take the steam main as an integrating element, but as an adder for balancing the steam pressure and redistributing the steam flow between several boiler-turbines in parallel operation. With this in mind, the dynamic characteristics of boilers in parallel operation are analyzed quantitatively and the transfer functions are obtained. Qualitative conclusions given in literature have been proved. |
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| Keywords: | boiler steam main dynamic characteristics |
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