基于SEER评价体系的城镇供热能源结构优化

作者:王威 李沫函 毛丁 王芃
单位:哈尔滨工业大学 寒地城乡人居环境科学与技术工业和信息化部重点实验室
摘要:对城镇供热能源结构进行优化,能够合理利用城镇中的供热资源,有效减少污染物排放及经济成本。同时考虑社会(S)、经济(E)、环境(E)及资源供应(R)4个方面建立了衡量供热能源适宜性的SEER评价体系。并基于熵值法,将评价体系中的一级指标加权为综合评价指标。以不同的目标函数建立城镇供热能源结构优化模型,对优化模型进行了案例对比分析。以费用年值为目标函数,当燃料价格改变,煤炭、天然气价格分别升高42.86%和66.67%,电价降低44.44%时,优化方案中初投资和年碳排放量变化均在1%以下,费用年值增加31%;禁用煤炭后,优化方案中初投资和费用年值分别增加134%和84%,但年碳排放量降低94%。
关键词:供热规划能源结构评价体系熵值法初投资碳排放量
作者简介:王威,女,1968年生,博士,副教授;*王芃(通信作者)150001哈尔滨市南岗区西大直街66号哈尔滨工业大学建筑学院,E-mail:cahnburg@hit.edu.cn;
基金:国家重点研发计划“政府间国际科技创新合作”重点专项“基于可再生能源热泵利用的复合型区域供热供冷系统关键技术研究与示范”(编号:2021YFE0116100);
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Optimization of urban heating energy structure based on SEER evaluation system
Wang Wei Li Mohan Mao Ding Wang Peng
(Harbin Institute of Technology Key Laboratory of Cold Region Urban and Rural Human Settlement Environment Science and Technology, Ministry of Industry and Information Technology)
Abstract: The optimization of urban heating energy structure can make rational use of urban heating resources and effectively reduce pollutant emissions and economic costs. A SEER evaluation system to measure the suitability of heating energy is established by considering the social, economic, environmental and resource supply aspects. Based on the entropy method, the first-level indexes in the evaluation system are weighted into the comprehensive evaluation indexes. The optimization models of urban heating energy structure are established with different objective functions, and the optimization models are compared and analysed by cases. Taking the annual cost as the objective function, when fuel price changes, coal and natural gas prices rise by 42.86% and 66.67% respectively, and the electricity price decreases by 44.44%, the changes of initial investment and annual carbon emission in the optimization scheme are less than 1%, and the annual cost value increases by 31%. After coal is banned, the initial investment and annual cost value of the optimization scheme increases by 134% and 84% respectively, but the annual carbon emission decreases by 94%.
Keywords: heating planning; energy structure; evaluation system; entropy method; initial investment; carbon emission;
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