What is an electric air heater and how does it work?
We know that the electric air heater is a device for heating air. In the air conditioning system, hot water, steam or electric energy is used as the heat source, and it is generally divided into electric heaters and air heaters according to different heat sources and heating methods. The electric air heater is mainly used to heat the required air flow from the initial temperature to the required air temperature, up to 850°C. So what is the working principle of the electric air heater?
The working principle of electric air heaters:
We know that there are two situations for heating air in the process of air conditioning. The first is to heat the air before it is treated by water. It is generally used when the temperature is low in winter. The purpose is to improve the fresh air. Increase the enthalpy value of the outdoor air and reduce the humidity, increase the humidification capacity of the outdoor air in the waste water room to increase the percentage of fresh air and meet the requirements of sanitation. The heater used is called a preheater; The purpose of heating is mainly to compensate for the lack of heat in the workshop. The heater used is called a reheater, which is generally installed behind the water baffle in the spray chamber. Although the preheater and reheater are both used for heating air , but their roles are not identical.
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Post time: Apr-22-2022