A tension-free dryer is a device for drying items, the working principle of which is based on the circulating flow of hot air and the evaporation of items.
1. Hot air generation: Tension-free dryers usually contain a heat source inside, which can be an electric heater or a gas burner. This heat source produces hot air.
2. Hot air circulation: Hot air is blown into the inside of the dryer by a fan. A fan circulates hot air inside, ensuring items are evenly exposed to the hot air.
3. Item evaporation: When hot air flows over the item, the moisture on the surface of the item will evaporate due to the heat of the hot air. The ventilation system inside the dryer removes evaporated moisture to keep the humidity inside the dryer low.
4. Humidity Control: Tension-free dryers are usually equipped with a humidity sensor to monitor the humidity level inside the dryer. Once the humidity reaches the set level, the dryer will automatically turn off the heat to prevent over-drying of items.
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