How does a heat pump chili dryer dry chilies?

To improve efficiency, reduce costs, and enhance quality, more and more users are choosing to dry chilies in heat pump chili dryer that use hot air as the drying medium. So, how does a heat pump chili dryer dry chilies? Today, Lantian Machinery will explain in detail.

Heat Pump Chili Dryer Structure and Advantages

A heat pump chili dryer consists of a material tray, air ducts, a heat pump drying and dehumidifying unit, multiple sets of high-temperature axial flow fans, a wheeled trolley support, and 10cm polyurethane panels with high thermal insulation properties.

Heat pump chili dryers offer advantages such as high efficiency, energy saving, environmental friendliness, safety, intelligence, and excellent drying quality. The dried chilies have a beautiful color, are highly intact, and are pollution-free, preserving their delicious flavor and vibrant color.

How long does it take to dry chilies in a heat pump chili dryer?

Chili peppers typically dry for about 18 hours (some peppers require a pile to sweat and a secondary drying step, which takes longer). The chilies will noticeably soften and swell during the drying process.

How does a heat pump chili dryer dry chilies?

1. Pile-drying:

Chili peppers with a moisture content of 75%-85% are dried to a moisture content of 50% by piling and sweating, followed by a second drying cycle.

2. Secondary drying:

Due to varying quality and maturity, some chilies that could not be dried in the first drying cycle should be selected and re-dried. The moisture content of raw chili peppers is high, generally 75%-85%. Drying is performed using hot air at 40-60°C. Initially, the relative humidity is below 70%. After 5 hours, the relative humidity drops to below 52%, and after 12 hours, the relative humidity is consistently below 40%.

3. Moisture Retention Before Packaging:

After the drying process, the chilies have a very low moisture content, are brittle, and easily break. Therefore, they should be placed indoors for moisture retention to allow them to absorb a certain amount of water and soften before packaging and storage.

4. Packaging and Storage

Maintain dryness and ventilation in the warehouse, as well as stacking height, to prevent moisture retention, mold, and breakage of the dried chilies.

Through Lantian Machinery's explanation of how to dry peppers in a heat pump pepper dryer, everyone should have a general understanding of the drying process of the heat pump pepper dryer. If you want to know more detailed information about the heat pump pepper dryer, you can consult online. Lantian Machinery will serve you wholeheartedly!