Belt Dryer For High-Sugar And Heat-Sensitive Materials
Introduce
Our Belt Dryer for High-Sugar and Heat-Sensitive Materials is designed for gentle, controlled, and continuous drying of products that are sensitive to excessive heat or prone to sticking during the drying process.
It is suitable for a wide range of food and agricultural products, including berries, fruits, vegetables, herbs, fermented vegetables, and certain seed-based products. For high-sugar materials, controlled drying conditions help reduce excessive browning, caramelization, surface hardening, and sticking.
Working Principle
The dryer uses a multi-zone hot-air drying system, allowing the temperature, airflow, and drying conditions to be adjusted independently in different sections. This provides a gradual drying process, helping moisture migrate from the inside of the material while avoiding excessive surface heating.
With adjustable belt speed, drying temperature, airflow, and material loading thickness, the equipment can be adapted to different products and final moisture requirements. Hot-air recirculation can also be used to improve energy efficiency and maintain stable drying conditions.
Material Characteristic
Heat-sensitive materials are prone to browning, nutrient and flavor loss, surface hardening, shrinkage, and quality degradation when exposed to excessive heat. Gentle, controlled drying is therefore essential to preserve product quality.
FAQ
1. Q : What materials can the belt dryer handle?
A: The belt dryer is suitable for a wide range of high-sugar and heat-sensitive materials, including berries, fruits, vegetables, herbs, fermented vegetables, and certain seed-based products. It is designed for materials that require gentle and controlled drying conditions.
2. Q : What drying temperature is suitable for heat-sensitive materials?
A: Typical drying temperatures are approximately 40–70°C, depending on the material, moisture content, product thickness, and desired final moisture level. Multi-zone temperature control allows each drying stage to operate at an appropriate temperature.
3. Q : Can the belt dryer handle high-sugar and sticky materials?
A: Yes. The dryer can be configured for sticky and high-sugar materials. Proper control of temperature, airflow, residence time, and product layer thickness helps reduce sticking, overheating, and excessive browning
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