The mineral sand dryer plays an extremely critical role in the mineral sand processing process. The three stages of heating, insulation and cooling in its operation are like a carefully choreographed hot dance. Each step has a decisive influence on the final drying effect.
Heating stage:
In the early stage of the drying process, the mineral sand dryer needs to adopt a gentle heating method to gradually reach the working temperature of the sand. At this time, the furnace gas flow rate is low, and the main purpose is to allow the sand to be heated evenly through slow fire heating. As the heating progresses, the flue gate gradually closes to prevent the excessive hot air flow from taking away the heat of the sand, so that the sand can fully absorb the heat energy.
Insulation stage:
When the furnace temperature rises to the specified temperature, the dryer enters the insulation stage. In this stage, the flue gate is fully opened to accelerate the flow rate of the furnace gas, thereby accelerating the evaporation process of the water in the sand. Maintaining a stable temperature helps to ensure that the water is completely evaporated, while avoiding local overheating or uneven drying, and achieving the best drying effect.
Cooling stage:
After drying, the mineral sand dryer enters the cooling stage. At this time, the heat stored in the sand itself continues to promote the evaporation of water until the temperature of the sand gradually drops. In order to prevent the sand from cooling too quickly, the flue gate is partially closed to ensure that the hot air flow speed is moderate so that the water can evaporate fully and avoid sand cracking or other adverse effects caused by excessive temperature difference.
Through the fine control of the above three stages, the mineral sand dryer can effectively improve the drying efficiency, ensure that the sand is dried evenly and avoid losses during the drying process. For more questions about mineral sand drying, please contact us!
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Good morning i'I am from Tunisia please can you send me the technical information and price of the sand dryer capacity 20 T/h diesel
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