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分别从采暖热力入口定压差和定流量两种情况下,探讨了公共建筑中常用的垂直单管跨越式采暖系统的水力工况。分析了用户自行调节过程中系统的水力工况稳定性。总结出系统入口定压差控制方式的垂直单管跨越式系统,具有近似定流量的良好特点,而且用户调节时相互影响较小,是理想的公共建筑采暖系统形式。
The paper discusses the hydraulic conditions of the vertical single-tube spanning-type heating system commonly used in public buildings under the two conditions of constant pressure difference and constant flow at heating inlet. The stability of the hydraulic system in the process of self-regulation is analyzed. Summarized the vertical single-tube leaping system with constant pressure difference control at the entrance of the system, which has the good characteristics of approximate constant flow rate, and the mutual influence is small when the user adjusts, which is an ideal form of public building heating system.