As is well known, NEEDLE HAMMER MILLS Pulverizer Machine has been widely valued by the industry.
What factors affect the performance parameters used by Needle Hammer Mills Pulverizer Machine?
The following is a detailed description:
1. Feed granular control
Most Needle Hammer Mills Pulverizer Machine has a certain upper limit requirement for the feed particle size. After entering the pulverization chamber, the material can be sufficiently accelerated before collision and crushing with other particles. After large particles enter the pulverized cavity, it is difficult to completely accelerate, which will make them live too long in the machine, resulting in too high energy consumption. Therefore, in large-scale production of ultrafine powder, it is an effective way to prepare a raw material having a large particle size is an effective pathway for energy saving.
2. Working medium
Currently, the working medium of Needle Hammer Mills Pulverizer Machine is mainly compressed air, superheated steam, inert gas, and the like. The choice of working fluid has a certain impact on crushing effects and economics. Superheated steam is better than air in terms of fluidity and critical flow rates, achieving higher flow rates and uniform flow fields. However, using superheated steam as a working fluid, it must be ensured that it is still in an overheating state before entering the product capture device, otherwise the material is condensed.
3. Feeding speed
Feeding speed is an important parameter reflecting gas flow grinding production capacity. During the pulverization process, the optimum ratio of the intake flow rate and the feed speed is the key to improving the crushing efficiency. In general, in a certain intake flow conditions, the feed speed is proportional to the product particle size. However, the feeding speed is too fast, which will increase the particle density, mutual interference of the pulverization zone, which is not conducive to the acceleration of the particles, it is difficult to achieve a sufficiently effective collision between particles, affect the crushing effect; although the feed speed is too slow, the particles stay in the crush area The time can be extended, which will reduce the particle density, reduce the collision rate, resulting in a decrease in production capacity and an increase in unit production energy consumption.
4. Granular limit
Needle Hammer Mills Pulverizer Machine In the pulverization process, as the material particle size is reduced, the crystallization and intensity of the material increases. After reaching a certain degree, the particle size of the material is no longer reduced or decreased slowly, that is, the crush limit of the material is reached. At this time, the surface area of \u200b\u200bthe material increases, the surface activity of the particles is increased, and the particle agglomeration and grinding are in a dynamic equilibrium state, even if the grinding time is prolonged, it is difficult to further reduce the particle size of the material.
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