华能湖南岳阳发电有限责任公司
纸质出版：2019
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[1]李海斌,叶兆青,粟稳,黄思源,宋友亚.亚临界纯凝汽轮发电机组供热改造[J].湖南电力,2019,39(05):54-58.
LI Haibin, YE Zhaoqing, SU Wen, et al. Heat Supply Retrofit on a Subcritical Pure Condensing Unit[J]. 2019, 39(5): 54-58.
[1]李海斌,叶兆青,粟稳,黄思源,宋友亚.亚临界纯凝汽轮发电机组供热改造[J].湖南电力,2019,39(05):54-58. DOI：
LI Haibin, YE Zhaoqing, SU Wen, et al. Heat Supply Retrofit on a Subcritical Pure Condensing Unit[J]. 2019, 39(5): 54-58. DOI：
文中介绍了亚临界纯凝机组供热的现状和需求。以某电厂亚临界纯凝机组为例
分析了其供热改造的必要性、可行性
采用高压缸排汽供热对机组负荷、汽轮机动叶、隔板强度、轴向推力和锅炉再热器、热力系统的影响进行研究
确定了机组的最大安全供汽量。改造后
机组能源利用效率提高
电厂经济效益增加
节约资源、降低环境污染
取得良好的综合效益。
In this paper
the current situation and demand of heat supply by subcritical condensing units are presented. Taking a subcritical condensing unit for an example
the necessity and possibility of heat supply retrofit on the unit are analyzed. Moreover
the impacts of HP exhaust steam on the unit loadings
the strength of the turbine moving blades and partition
the axial thrust
the boiler re-heater and the thermal system are studied with the maximum safe steam volume for heat supply determined. After the retrofit
the energy utilization efficiency of the unit is improved
and the economic benefit of the power plant is also increased
which achieves good comprehensive benefits with energy saving and less environmental pollution.
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