Description of spray drying equipment:
Spray drying is the most widely used in liquid process shaping and drying industry. Applies to most from solution, emulsion, suspending liquid and paste liquid raw materials generated in the powder, granular solid products. Therefore, when the particle size distribution of the finished product, residual moisture content, bulk density and particle shape must meet the precision standard, the spray drying is an ideal process.
Principle of spray drying equipment:
Dry series Dryer series: After filtering and heating, air into the dryer on top of the air distributor, hot air spiraling evenly into the drying chamber. Material liquid via high-speed centrifugal atomizer, on top of the tower body (rotating) into a very fine mist spray liquid bead, contact with the hot air and flow, in a very short period of time can be dry for the finished product. Finished products continuously by drying the bottom and the output of the cyclone separator, exhaust fan emptying.
Features of spray drying equipment:
· Fast drying speed, material liquid after atomization, significantly increased surface area, in the hot air flow, instantaneous evaporation can be 95% 98% moisture, to complete the drying time only a few seconds, and especially suitable for drying of thermal sensitive material.
· Products with good uniformity, fluidity and solubility, the product high purity, good quality.
· Production process is simple, convenient operation and control. Special material for 40-60% moisture content (90%) of the liquid to a dry powder products, dried without crushing and screening, reduce the production process, improve product purity. To the product particle size, bulk density, moisture, within a certain range can be adjusted by changing the operating conditions, control and management is very convenient.
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