[1]朱开轩,周 托,王随林,等.内燃机余热与燃煤机组复合热力系统的利用特性研究[J].热力发电,2023,52(01):45-55.[doi:10.19666/j.rlfd.202204079]
　ZHU Kaixuan,ZHOU Tuo,WANG Suilin,et al.Study on utilization characteristics of compound thermal system of waste heat of internal combustion engine and coal-fired unit[J].Thermal Power Generation,2023,52(01):45-55.[doi:10.19666/j.rlfd.202204079]
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内燃机余热与燃煤机组复合热力系统的利用特性研究

《热力发电》[ISSN:1002-3364/CN:61-1111/TM] 卷: 52 期数: 2023年01期 页码: 45-55 栏目: 热能科学研究 出版日期: 2023-01-08
Title:
Study on utilization characteristics of compound thermal system of waste heat of internal combustion engine and coal-fired unit
作者:
朱开轩1; 周 托2; 王随林1; 吕俊复2; 张鹏飞3; 王顺超3; 王晓东4
1.北京建筑大学环境与能源工程学院，北京 100032；2.清华大学能源与动力工程系，北京 100089；3.电力规划总院有限公司，北京 100120；4.华能太仓发电有限责任公司，江苏 太仓 215400
Author(s):
ZHU Kaixuan1;  ZHOU Tuo2;  WANG Suilin1;  LYU Junfu2;  ZHANG Pengfei3;  WANG Shunchao3;  WANG Xiaodong4
1. School of Environmental and Energy Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100032, China;2. Department of Energy and Power Engineering, Tsinghua University, Beijing 100089, China;3. Electric Power Planning & Engineering Institute Co., Ltd., Beijing 100120, China;4. Huaneng Taicang Power Plant Co., Ltd., Taicang 215400, China
关键词:
燃煤机组; 内燃机余热; 复合热力系统; 热耗率
DOI:
10.19666/j.rlfd.202204079
摘要:
为提升内燃机与燃煤机组耦合的高灵活性发电系统的能量利用效率，提出了内燃机与燃煤机组相复合的新型热力系统。通过将内燃机烟气和冷却水余热输入燃煤机组热力系统，从而降低燃煤机组发电煤耗率。采用EBSILON软件对复合系统进行建模，以燃煤机组汽耗率和热耗率为评价指标，分析了不同复合方案下燃煤机组的热经济性。结果表明：通过将内燃机余热复合进燃煤机组热力系统，可显著降低燃煤机组的热耗率和汽耗率；内燃机烟气余热复合位置越靠近锅炉，参与烟气换热的给水和凝结水比例越小，机组热耗率、汽耗率越低；当烟气余热一部分加热高压加热器给水，另一部分加热低压加热器凝结水时，分配到给水的余热越多，机组热耗率、汽耗率越低；优化后的内燃机与燃煤机组复合热力系统，热耗率最多可降低6.62%。

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（责任编辑 邓玲惠）

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备注/Memo

朱开轩（1998），男，硕士研究生，主要研究方向为内燃机与燃煤机组热耦合，zkx199819@163.com。

更新日期/Last Update: 2023-01-15