The two-pipe heating system, also known as a double-pipe heating system, is a method of controlling the temperature of a building by using separate pipes for supplying hot water and returning cold water. This system provides more uniform heating and precise temperature control compared to a single-pipe system. It is commonly used in large buildings and residential complexes, where consistent heating is essential for comfort and energy efficiency. In a two-pipe heating system, hot water is distributed through one set of pipes, while cold water is collected through another set of pipes, preventing the mixing of hot and cold water and ensuring a more efficient heating process. This system is widely employed in modern heating solutions and is a popular choice for those seeking efficient and reliable home heating.
双管供暖系统,two-pipe heating system
single and double pipe heating system单双管供暖系统
3)twopipe closed loop heat-supply system双管闭环供暖系统
4)two pipe direct return system双管直接回水供暖系统
5)two pipe upfeed heating system双管上分供暖系统
6)single pipe heating system单管供暖系统
延伸阅读
Pg99式35毫米双管牵引式高射炮武器系统中国仿制改进的一种牵引式小口径高射炮武器系统。由2门35毫米双管高射炮、一部复合火控系统和一部电源站组成。具有反应速度快、抗干扰能力强、跟踪精度高和作战效能高等特点。主要用于抗击低空、超低空进袭的战斗机、直升机和巡航导弹。主要战术技术性能：有效射高3千米，有效射程4千米，初速1 175米/秒，射速2×550发/分，方位转速120°/秒，高低转速60°/秒；配有爆破燃烧榴弹、穿甲弹、近炸引信预制破片弹等；搜索雷达x波段，水平或圆极化，全相参、捷变频、脉冲多普勒、边搜索边跟踪、动目标显示体制，作用距离18千米，目标容量8批，数据率60个/分；双波段炮瞄雷达（x、ka波段），卡塞格伦天线，单脉冲、脉冲多普勒体最大跟踪距离大于13千米，跟踪精度小于0.6密位，方位调转速度2 250密位/秒，方位跟踪速度140密位/秒；电视跟踪仪最大跟踪距离10千米，激光测量距离6千米；数字式火控计算机反应时间4.6秒，控制处理计算机与系统主计算机相结合，是一部多传感器集成，采用数据融合技术的现代防空火控系统。除同时完成解算2门炮的射击诸元，实现交会射击和大闭环校正外，还具有多种工作模式，自动切换及控制边搜索边跟踪方式，进行目标威胁判断等并留有控制所配防空导弹的接口。1988年引进瑞士klms高射炮系统，1993年开始仿制，1999年定型并装备部队
