上供下回采暖系统垂直失调改造方案探讨哈尔滨建筑大学丁立群董珊东北农业大学刘荣在多层建筑上供下回采暖系统中，由于设计时热压渗风负荷考虑的不够；或因供热介质温度低于设计值等综合原因往往出现垂直失调。即上热下冷的现象。随着建筑层数越多、供热介质温度越低垂直... Discussion on the Upgrading of Upstream and Downstream Heating System Vertical Disorders Harbin University of Architecture Ding Liqun Dong Shan Northeast Agricultural University Liu Rong In a multi-story building for the next heating system, due to insufficient design considerations for thermal pressure load; or due to heating Vertical misadjustment often occurs when the medium temperature is lower than the design value. That is, the phenomenon of hot and cold. With more building layers, the temperature of the heating medium is lower...