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朱春英1，于薇1，王峰2
(1.北华航天工业学院，河北 廊坊 065000；2.荣盛房地产廊坊分公司，河北 廊坊 065000)
摘要：分析了地暖系统中重力循环作用压力对共用立管的影响，运用基尔霍夫定律分析了地暖系统中下分异程式双管系统和下分同程式双管系统的水力平衡状况，得出了在没有平衡调节装置的情况下，下分异程式双管系统更适用于地暖系统的结论，通过计算确定了地暖系统共用立管水力平衡的影响因素和平均比摩阻的范围。
关键词：水力平衡；共用立管；地暖；下分双管系统
Analysis of the Hydraulic Balance of a Common Riser in a Low Temperature Hot Water Floor Radiant Heating System
ZHU Chun-ying1，YU Wei1，WANG Feng2
(1.North China Institude of Astronautic Engineering，Langfang 065000，China；2.RiseSun Real Estate Group，Langfang filiale，Langfang 065000，China)
Abstract：This paper analyzed the circulating effect of the gravity head on different forms of a common riser.Using Kirchhoff‘s law，it analyzed the hydraulic balance status of a down-feed and up-feed double pipe system and drew the conclusion that an up-feed double pipe system is more suitable for a low-temperature hot water floor radiant heating system when there is no balancing regulator.It established through calculation the range of the average frictional resistance of the common riser，and the factors of effect
on the hydraulic balance.
Key words：hydraulic balance； common riser； low temperature hot water floor radiant heating system ；up-feed double pipe system
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