| 火力发电厂余热利用与热泵技术 |
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| 引用本文： | 刘福秋,王修彦,蔡文汇. 火力发电厂余热利用与热泵技术[J]. 应用科技, 2013, 40(1): 68-71 |
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| 作者姓名： | 刘福秋 王修彦 蔡文汇 |
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| 作者单位： | 1. 华北电力大学能源动力与机械工程学院,北京102206; 开滦集团有限责任公司范吕社区服务中心,河北唐山063100
2. 华北电力大学能源动力与机械工程学院,北京,102206 |
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| 摘 要： | 电厂循环冷却水中含有大量的低位热能，采用热泵技术，可以将这部分热能回收利用．结合实际，分析了热泵技术在热电厂余热利用中的实际应用，通过此项技术，可使电厂节能率达32．8％，年节省蒸汽折算效益达2580万元，静态成本回收期仅为2．4a；同时每年冬季可节省标煤16360t，大量减少了有害气体的排放，可以有效地实现电厂的经济效益与节能减排．
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| 关 键 词： | 热泵 循环冷却水 余热利用 节能减排 |
Waste heat utilization and heat pump technology in thermal power plant |
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| LIU Fuqiu , WANG Xiuyan , CAI Wenhui. Waste heat utilization and heat pump technology in thermal power plant[J]. Applied Science and Technology, 2013, 40(1): 68-71 |
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| Authors: | LIU Fuqiu WANG Xiuyan CAI Wenhui |
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| Affiliation: | 1.School of Energy Power and Mechanical Engineering,North China Electric Power University,Beijing 102206,China 2.Fan Lü Community Service Center,Kailuan Group Co.,Ltd.,Tangshan 063100,China |
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| Abstract: | There is a large amount of low heat energy in circulating cooling water oftherrnal power plant. It can be recovered by the heat pump technology. This paper analyses the practical application of heat pump technology in thermal power plant waste heat utilization. The energy-saving rate of this power plant is up to 32.8%. The conversion cost of saving steam is 25.8 million yuan per year. The static payback period is only 2.4 years. The saving standard coal consumption is 16360t per year in winter days, which can reduce the emission of harmful gases at the same time. It can effectively realize the economic benefits and energy saving and emission reduction of thermal power plant with the technology. |
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| Keywords: | heat pump circulating cooling water waste heat utilization energy saving and emission reduction |
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