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              1. 暖通空调杂志社>期刊目次>2019年>第6期

                可再生能源供热系统二级网调峰热源优化配置

                Optimized peak heat source configuration for secondary network of renewable energy heating system

                陈伟 陈键
                中国电建集团西北勘测设计研究院有限公司

                摘要:

                 结合地热供热系统的特点,采用能源中心+末端换热站供热模式,中深层地热承担基本热负荷,天然气锅炉承担调峰热负荷。基于费用年值法,建立了以年运行费用和全寿命周期内费用年值最小为目标的模型。以西安市某新区为例,分析了不同调峰热负荷系数下的能耗、初投资及年运行费用。结果表明,最佳调峰热负荷系数为0.25。

                关键词:可再生能源,中深层地热能,二级网,调峰热源,优化配置

                Abstract:

                Combined with the characteristics of geothermal heating system, adopts a heating mode of energy station plus terminal heat exchange station, with the medium-deep geothermal energy for essential heat load and the natural gas boiler for peak heating load. Based on the annual cost method, develops a model aiming at minimal annual operating cost and annual life cycle cost. Taking a new district in Xian as an example, analyses the energy consumption, initial investment and annual operating costs with different peak heat load factors. The results show that the optimal peak heat load factor is 0.25.

                Keywords:renewableenergy,medium-deepgeothermalenergy,secondarynetwork,peakheatsource,optimalallocation

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