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目前的半自磨机，直径最大已达12．2m、理动功单为22．000kW．磨机供应商必须考虑对于这种大规格设备的要求，以满足工艺和机械设计的要求。这些要求，在本文第一部分讨论。干式粉磨设备的产量最大达800t／h。将要介绍用于难处理金矿粉碎的两个正在运行的设备的思路。这些大规格的粉磨设备，要求较高的设计标准化。需要新的计算方法，以确保满足处理量和产品质量要求的设计。这样的一个计算方法──“计算流体动力学’，将在本文的最后一部分讨论。
The current semi-self-mill, the largest diameter of up to 12.2m, 22.5kW Power bill. Mill suppliers must consider the requirements for such large format equipment to meet the process and mechanical design requirements. These requirements are discussed in the first part of this article. Dry grinding equipment output up to 800t / h. The idea of two running devices for refractory gold mines will be introduced. These large-size grinding equipment, require a higher standardization of the design. New calculations are needed to ensure designs that meet throughput and product quality requirements. One such method of calculation, “Computational Fluid Dynamics,” is discussed in the last part of this article.