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Operation points of spray drying equipment
Spray drying equipment is a kind of drying equipment which is widely used. It is a drying equipment for treating solution, suspending liquid or mud material. It is the biggest advantage to dry the liquid directly into powder. It has the disadvantages of low thermal efficiency, large volume, low production capacity and high investment. Because of its special advantages of spray drying directly from the solution or suspension system to obtain powder uniform components, is widely used in chemical industry, light industry, food industry, chemical industry as the most widely used dye industry.
A crystallizer is a drying apparatus that directly uses a solution or suspension to dry directly into solid particles. The drying product can be directly obtained from the feed liquid, and the unit operation such as evaporation, crystallization, separation and pulverization can be avoided, and the utility model can be continuously and automatically produced, and the operation is stable. The drying methods, spray dryer gas-solid contact surface area, short drying time, dry time is 5 30s, suitable for drying heat sensitive materials. The dried product has good quality and can obtain 30 - 50 m particles, and the product has good fluidity and instant solubility. The disadvantages are that the size of the dryer is large and the heat transfer coefficient is low, which leads to low thermal efficiency and great power consumption.
Flash drying is a kind of dryer that directly dry the solution or suspension into solid particles. The drying product can be directly obtained from the feed liquid, and the unit operation such as evaporation, crystallization, separation and pulverization can be avoided, and the utility model can be continuously and automatically produced, and the operation is stable. The drying methods, spray drying tower gas-solid contact surface area, short drying time, dry time is 5 30s, suitable for drying heat sensitive materials. The dried product has good quality and can obtain 30 - 50 m particles, and the product has good fluidity and instant solubility.
