Author: Admin View: Post Time: 2025 / 08 / 07 10:10:03
Ginger slice dryers play a vital role in modern agricultural product processing. Their environmentally friendly, energy-saving features and excellent drying performance make them the preferred equipment for many farmers and processing companies.
As a commonly used Chinese medicinal herb and condiment, the drying process is crucial for maintaining quality and extending shelf life. The heat pump mesh belt galangal drying line excels in this application, and its process steps and advantages are worth a closer look.
The processed galangal is evenly spread on the mesh belt, which slowly enters the drying line. The outlet air temperature is set at 75-80°C, which evaporates surface moisture while preventing damage to the active ingredients. The initial drying cycle lasts 9-11 hours, reducing the moisture content to approximately 20%. After softening, the galangal is subjected to a final deep drying cycle for 9-11 hours, until the dryness reaches 10%, completing the drying process.
By recycling waste heat, heat pump galangal dryers achieve energy efficiency levels over three times higher than traditional electric heating equipment, while also reducing carbon emissions. Furthermore, some units are equipped with intelligent temperature and humidity control systems that automatically adjust drying parameters based on the moisture content of the ginger slices, avoiding energy waste.
Color is a key quality indicator of dried ginger slices. High-quality galangal dryers achieve uniform dehydration at low temperatures (typically controlled between 50°C and 65°C), preventing the slices from darkening or charring due to high temperatures. A staged drying process, which first removes surface moisture at a lower temperature and then gradually increases the temperature to dry the interior, preserves the slices' natural golden color while locking in active ingredients such as gingerol.
The heat pump mesh belt galangal drying line is equipped with an intelligent control system that precisely adjusts temperature and humidity, strictly adhering to the galangal drying process requirements. This ensures the ginger is dried in a stable temperature and humidity environment, maximizing the preservation of active ingredients and improving product quality and market competitiveness.
Return Top 