The path of the pipes for hot water circulation is different

When the temperature drops to the lower limit of the set temperature, the circulation pump starts and the hot water starts to circulate. Because the paths of the pipeline wells are not the same, the path of the hot water passing through the “No.1 pipeline well” is the shortest and the resistance is minimum, and the circulation is involved. The amount of water is also the largest, and the volume of circulating water in other pipeline wells is decreasing.

The diameter of the branch pipe of the circulation pipe is directly related to the heating quality of the entire heating system. When the pipe diameter is selected to be too small and the pipe is slightly fouled, the hot water circulation will be poor, and the water temperature of a certain pipe well will be low. Excessive pipe diameter selection not only increases the cost of the project, but also affects the matching and operation of the circulating pump.

The pipeline wells of a building should be blocked at the floor, whether it is fire protection requirements or anti-theft. Some of the plugging materials use fire blocking materials, and some water concrete. In the process of sealing, the pipeline and the plugging material must be filled with a flexible material to ensure that the pipeline and the plugging material are completely separated, so that the thermal expansion and contraction of the pipeline is not limited.

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