A humidifier is a household appliance that can add humidity to a room, either by humidifying a designated room or by connecting to a boiler or central air-conditioning system to humidify an entire building.According to the heat and moisture exchange theory, humidifiers are divided into the following two types in practical engineering:
1. Equal enthalpy humidifier: it USES sensible heat of water to absorb air to conduct evaporation and humidification, and its changes in enthalpy and humidity diagram are approximate equal enthalpy processes.
2, isothermal humidifier: that is, the use of heat energy to convert liquid water into steam and air mixture for humidification, the change in enthalpy, humidity chart is an approximate isothermal process.
Humidifier from the scope of use can be divided into industrial humidifier, commercial humidifier and household humidifier three categories.