This graduation thesis is the heating design of fengzeyuan community in Datong City, including the heating design of Building 1 and the heating station design of the community. In the heating design of Building 1, the heat load calculation method and design parameters are determined according to the HVAC code, and then the heat load calculation is carried out; Select the radiator model and calculate the number of radiator fins; Carry out hydraulic calculation to determine the pipe diameter, pressure loss and imbalance rate of the heating system. In the design of district thermal power station: calculate the flow and pipe diameter of primary network and secondary network; Carry out the selection and calculation of heat exchanger, circulating pump, make-up pump, soft water tank and water softener in turn. Finally, CAD software is used to draw the construction drawing of heating design and heating station.
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