Two Factors Related With the Output of Sand Dryer

     Date: 25-11-2015     From: Fote Machinery     Author: Fote Machinery

Along with the high-speed development of dryer industry, many manufacturers are dedicated to exploring the methods to improve the output. Generally speaking, there are many factors that can influence the output of quartz sand drying machine. The factors include the operating mode, production control and maintenance, etc. Among all the factors, the first two are the selection of heat source and temperature of hot air. As a device used to supply heat for sand dryer, the hot air furnace has two heating ways.

One is the indirect heating and the other is the direct heating. With regard to the indirect heating, the hot air is very clean. While, the thermal efficiency of indirect heating is low. This heating method is suitable for drying materials without any foreign matters inside. While, for direct heating, the thermal efficiency is quite high. If raw materials are directly heated by the hot air furnace, the smoke dust produced will influence the quality of finished products.

At present, many manufacturers of river sand dryer use the oil burner as the heating source. Featured in the simple operation, rapid warming, steady temperature and convenient control, the cost for using the oil burner is very low. At last, it is the hot air temperature. Hot air temperature, also named as drying medium temperature, is the most sensitive factor. Higher the thermal efficiency of hot air, greater the working efficiency of river sand dryer.

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