【摘要】 分析了供热系统中动力设备能耗偏高的原因,主要为低负荷率运行和阀门调节造成的节流损失;比较了不同流量调节方法的特点;指出应通过动力设备容量的合理配置配合合适的调速方法以保证动力设备高效运行;分析了不同设备的合理调节范围;并利用具体方案比较分析了变频调节的节能幅度。更多还原

【Abstract】 Analyses reasons that lead to dynamical equipments in heating system consume energy in the high side main are run with low load rates or control flow by valves;compares characteristics of different flux adjustmethods;points out that should choose appropriate amounts and capacities,then decide fit regulative modes to ensure equipments run in high efficiency;analyses how wide that different equipments regulative rangs should be and compares energy saving rangs of different frequency conversion projects.更多还原