Fangyuan Machinery introduces the working principle and performance of ultrafine grinding equipment, different from ordinary grinding, ultrafine grinding equipment is to use the turbulent flow generated by high-speed rotation of the rotor to add materials to the ultra-high-speed air flow. A number of multi-pole staggered chambers on the rotor can produce variable speed eddy currents, thus forming high-frequency oscillations, so that the movement direction and speed of the material instantly produce drastic changes, resulting in rapid friction and impact between the material particles, after repeated collisions and cracking into fine powder, particle size up to 1 000 Et / 2.54 cm or higher. Ultrafine powder processing equipment also has the following characteristics:
(1) The reflux device of the equipment can automatically return the sorted particles to the vortex chamber for crushing;
(2) evaporation of water and hot and cold air drying function;
(3) It has a fresh-keeping effect on heat-sensitive and aromatic materials;
(4) For multi-fiber, elastic, viscous materials can also be processed to an ideal degree;
(5) The ultrasonic wave generated in the operation of the equipment has a certain sterilization effect. The superfine grinding equipment in food processing is generally the glue mill and the air flow grinder. Glue mill is a traditional method, more commonly used. In the crushing process, 95% to 99% of the mechanical energy will be converted into heat, so the heating of the material is inevitable, thermal food is easy to deteriorate, melt, stick, and the crushing capacity of the machine will also be reduced. To this end, the appropriate cooling method should be used before or during crushing, such as freezing, cold air, hot air, dehumidification, sterilization, microwave detoxification, grading and other processes in crushing, so that the material can meet the processing requirements, the air mill is currently a more advanced ultra-fine crushing equipment, which has low temperature in processing, especially suitable for heat-sensitive food, but the energy consumption is large.
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