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一种焦炉余热发电凝结水预热系统及其预热方法
InventionUnknown
10Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
王鹏; 李桦; 任众; 陈廷山; 吕鑫
Filing Date
Aug 26, 2026
Publication Date
Oct 27, 2026
IPC Classification
F27D 17/15 (2025.01)F27D 17/20 (2025.01)F22D 1/00 (2006.01)F22D 1/32 (2006.01)F22D 1/50 (2006.01)F28D 15/02 (2006.01)
本发明涉及焦化余热利用技术领域,具体为一种焦炉余热发电凝结水预热系统及其预热方法。包括单超再热锅炉,单超再热锅炉烟气出口经引风机与径向式热管预热器烟气入口连通,径向式热管预热器烟气出口经脱硫脱硝装置与烟囱连通;凝结水泵出口经除氧器凝结水管道与中压除氧器连通,除氧器凝结水管道沿凝结水流动方向依次串接径向式热管预热器、汽封加热器、两级低压加热器。本发明将引风机后的180℃低温烟气与凝结水泵出口的50℃凝结水在径向式热管预热器内逆流换热,预热后的凝结水再经回热系统加热后进入除氧器,有效减少除氧器加热蒸汽用量,提高烟气余热综合利用率。
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