Main features of the Dongguan box-type dryer
Dongguan box-type dryer Has the following key features:
1. The cabinet is constructed by welding thick steel plates or stainless steel plates, or by welding angle steel sections. It features a simple and robust structure with high load-bearing capacity, and the drying temperature can reach over 200°C.
2. The cabinet door features a double-layer door or a spiral door that is tightly sealed to the cabinet body, ensuring that heat and dry air inside the cabinet do not leak out even under high-temperature operating conditions.
3. The heating methods are mostly electric heating; some models use steam or hot air heating. Electric heating power typically ranges from 30 to 100 kW. This method allows for rapid temperature increases, though its thermal efficiency is slightly lower.
4. Equipped with a dedicated dryer controller, this device allows precise control and adjustment of parameters such as chamber temperature, humidity, and insulation time, enabling automated operation.
5. The circulating fan is used for hot air circulation, enhancing drying efficiency and uniformity. The fan selected is an industrial-grade model, designed to withstand high temperatures and resist corrosion.
6. The humidity sensor is used to monitor real-time changes in the chamber’s humidity, enabling the controller to precisely regulate heating and shutdown operations for accurate control of the material’s moisture content.
7. The safety protection devices are complete, including high-temperature limiters, leakage protectors, and explosion-proof aerosol systems, ensuring safe production.
In summary, the box-type dryer from Dongguan is widely used in various industrial production and raw material processing applications due to its simple structure, high temperature capability, and cost-effectiveness. It is particularly well-suited for fields with stringent requirements for temperature and humidity. However, this type of dryer has slightly lower thermal efficiency and limited levels of automation and precise control; currently, foreign brands still dominate the market. These are precisely the areas that need improvement for this product.
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