1. The heat medium system is also called the first circulating system (heat medium, water heater, heat medium pipe network).
The steam generated by the boiler is sent to the water heater to heat the cold water through the heat medium pipe network, and then becomes condensed water, which is returned to the condensation pool by the residual pressure. Condensed water and newly supplemented softened water are sent to the boiler under the pressure of condensate pump to be reheated into steam, and the heat transfer process is completed by circulation.
2. The hot water supply system is also called the two-cycle system (hot water distribution pipe network and backwater pipe network).
In the water heater, cold water is heated to a certain temperature and sent to each hot water distribution point through the water distribution pipe network, and the consumed cold water is directly supplemented by the high-level water tank or water supply pipe network. In this system, each vertical pipe, horizontal main pipe and even branch pipes are equipped with return pipe. Its purpose is to make a certain amount of hot water return to the heater through return pipe under the action of circulating water pump to supplement the heat lost by the pipe network, thus ensuring the design water temperature of each water distribution point.
3. Accessories include heat medium and hot water control accessories and water distribution accessories. Such as automatic temperature regulator, steam trap, pressure reducing valve, safety valve, expansion tank, compensator, gate valve, water nozzle, etc.
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