The core problem of the wall-hung boiler is the efficiency and service life of the heat exchange, and the biggest factor affecting these two aspects is the scale problem. Especially when we use domestic hot water, because of the need to constantly fill new water, and the water quality in most parts of the country is hard, this will greatly increase the fouling rate of the heat exchanger. As the scale adhering to the inner wall of the heat exchanger is continuously thickened, the diameter of the heat exchanger will become thinner and the water flow is not smooth, which not only increases the burden of the water pump and the heat exchanger, but also the heat exchange efficiency of the wall-hung boiler. It will also be greatly reduced, mainly due to the increase in air consumption of the wall-hung boiler, insufficient heating, hot and cold water in hot water, and reduced hot water.
If the heat exchange components of the wall-hung boiler are finally operated under such a high load state, the damage to the wall-hung boiler is very severe, especially the plate heat exchanger is more harmful, and the user should pay special attention when selecting. Try to choose a cannulated water heater. Moreover, it is also necessary to select a wall-mounted furnace with a closed design so that no oxygen in the atmosphere enters, so it is impossible to combine with calcium, magnesium, sodium, etc. in the water, so the probability of scaling is reduced.
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