借助他方试验预测自磨/半自磨单位能量的方法

Methods of Predicting Specific Energy of Autogenous and Semi Autogenous Grinding by Means of Others' Tests

自磨/半自磨单位能量是自磨/半自磨设备选型的主要参数。自磨/半自磨单位能量预测是自磨/半自磨流程设计的重要环节。目前自磨/半自磨单位能量大多通过现代自磨/半自磨试验方法进行预测,这些试验方法一般由专门开发的实验室试验和计算机模拟软件组成,各自形成独立的体系。然而,有一些特殊类型的自磨/半自磨单位能量预测方法不是开发自己的试验方法,而是借用Bond功指数试验、JKTech落重试验、半自磨功率指数(SPI)试验等他方的现有成熟试验方法获得必要的参数,用于自己开发的预测计算方法中,以低成本享有其存在的空间和独特的优势。本文介绍了利用Bond功指数的方法、澳大利亚Ausenco公司的方法、加拿大OMC公司的方法和澳大利亚DBC公司的方法等4种这一类自磨/半自磨单位能量的预测方法。

Specific energy required for autogenous grinding/semi autogenous grinding(AG/SAG)is the main parameter for AG/SAG equipment selection.Prediction of specific energy required for AG/SAG is an important part of AG/SAG circuits design.At presen,specific energy required for AG/SAG is mostly predicted by modern AG/SAG test methods,which are generally composed of specially developed laboratory tests and computer simulation software,each forming an independent system.However,some special types of prediction methods of specific energy required for AG/SAG do not develop their own test methods,but borrow Bond work index test,JKTech drop weight test,SAG power index(SPI)test and other existing mature test methods to obtain necessary parameters for their own developed prediction calculation methods,to enjoy its existence of space and unique superiority with low cost.This paper introduces such four kinds of prediction methods of specific energy required for AG/SAG,including the method with Bond work index,the method of Ausenco,the method of OMC and the method of DBC.