The warm air dryer uses high temperature air flow through the surface of the clothes to be dried, heating the clothes, and taking away the evaporated water to dry the clothes quickly. The commonly used heating methods are electric heating wire heating, semiconductor (PTC) heating, the heater made of semiconductor, in the environment (in or around the dryer) will automatically reduce the power, energy saving, but also control the maximum temperature to protect clothes, safe and reliable. It is not limited by weather conditions, and some novel clothes dryers are easy to disassemble and assemble, convenient and space-saving. Most of the well-designed clothes dryers can be heated, a multi-purpose machine, which can bring a lot of convenience to the family, and is an effective equipment to reduce the large area of sunlight and provide drying at any time. In the drying process, the high pressure environment is the key to ensure the effect. For high pressure conditions, we have introduc…