空气源热泵与市政热力双热源供暖系统设计与运行分析
Design and operation analysis of dual-heat source heating system of air-source heat pumps and municipal heating
摘要：
介绍了北京市某项目的供暖节能改造,从减少投资成本、降低后期维护费用、缩短投资回收期及应对极端天气的角度,因地制宜地选择了低温空气源热泵与市政热力双热源运行方案。改造完成后,通过1个供暖季的运行,与传统市政蒸汽供暖系统相比,双热源供暖系统能源消耗总量减少了49.4%、供暖费用减少了650 084.23元,充分验证了双热源供暖方案的节能减排效果,为供暖节能改造提供了新思路。
Abstract：
This paper presents the heating energy-saving renovation of a project in Beijing.From the perspectives of reducing investment costs,lowering later maintenance expenses,shortening the investment payback period,and coping with extreme weather,a dual-heat source operation scheme of low-temperature air-source heat pumps and municipal heating is selected according to local conditions.After the renovation is completed,through the operation of one heating season,compared with the traditional municipal steam heating system,the total energy consumption of the dual-heat source heating system is reduced by 49.4%,and the heating cost is reduced by 650 084.23 yuan.This fully verifies the energy-saving and emission-reduction effects of the dual-heat source heating scheme and provides a new idea for heating energy-saving renovation.
Keywords:air-source heat pump; municipal heating; dual-heat source; heating; energy saving and emission reduction; economy