The critical speed of the temperature of the air flow grinding is 320m / s. When the temperature rises to 480 degrees, the kinetic energy is also in short increase of 150%, so it can improve the work and temperature is also very advantageous. Improve our crushing effect. Depending on the pressure of the work quality is the main parameters that generate jet or airflow, it is also the main parameters affecting the fineness of the pulverization.
In the existing airflow pulverizer, the powder that is separated to a pulverized particle size is generally a grading wheel, and since the grading wheel is disposed in the pulverizer barrel, the pulverizer is filled with high pressure gas, so the grading wheel The seal between the spindle and the outside has always been difficult to solve. In general, the hierarchical wheel main shaft and the bearing support seat of the airflow pulverizer are combined with a dynamic seal and a static seal to achieve both the seal and can rotate the spindle rotation. However, since the gas pressure in the body bucket is high, many powder will enter the lower bearing between the static seal under the action of the pressure, causing the bearing to block and cannot work, the main shaft cannot be rotated again.
The material moves with the rising airflow to the grading area under the fan effusion, and the thickness of the crude material is separated, and the particle size requirements are meticulously The particles enter the cyclone and the dust collector through the grading wheel, and the crude particles drops to the pulverization region to continue to be pulverized. The motor drives the hierarchical wheel to rotate high speed in the hierarchical housing (the speed can be arbitrarily adjusted), and a powerful centrifugal force is formed in the classifier. The gas powder mixture enters the grading machine first enters the interior of the grading wheel, under the action of centrifugal force, the large or heavy particles are subjected to the center of the centrifuge, so they are smashed into the sidewall of the grading wheel to the horizon side wall, not The influence of the centrifugal force, naturally falling into the crushing host to continue to smash or fall into the discharge port for collection; small or light material is small, hovering in the interior of the graded wheel, the impact of the air blower is brought to high At the time, the compliance is moved to the next component is graded or collected. The speed of the centrifugal force in the hierarchy can be adjusted by the speed adjustment of the spinning wheel to achieve the purpose of the material that is divided into the specified particle size.
The adjustment of the grading wheel speed of the airflow pulverizer: In the case of other parameters, increase the speed of the grading wheel, the product is improved; the fine product is increased. The grading wheel has an accurate particle size cutting point, depending on the particle size requiredDifferent requirements, the speed of the classifier can be selected within a certain range.
Rating Turbine Current Adjustment of Airflow Crusher: The graded turning motor current changes with the material of the classification cavity (assuming other conditions unchanged). Multi-cavity material, large current, low grading efficiency, increased yield; increased efficiency, increased production.
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