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金伯利岩高频选矿试验,是由建材七○一矿和江西有色冶金研究所共同研究成功的。试验共分四个阶段,即小型试验、半工业型试验、工业型试验和改进半工业型试验。1972年和1974年先后在《建筑技术通讯》4～5期、《非金属矿》第3期上对半工业型试验的情况做了报道。以后又进行了工业型试验。改进半工业型试验是对上述试验进行较大改进后进行的,主要对给矿设备、高频探头、电子放大电路和执行机构等进行了改进,由原多路选别改为单路选别。本文是根据改进半工业型试验的结果编写的。
High-frequency beneficiation test of kimberlite rock is made by the joint research of 70% of building materials and Jiangxi Non-ferrous Metallurgy Research Institute. The test is divided into four stages, namely, small test, semi-industrial test, industrial test and improved semi-industrial test. In 1972 and 1974 successively in the “Building Technologies Newsletter” 4 to 5, “non-metallic ore” No. 3 on the semi-industrial test cases were reported. Later conducted an industrial test. Improve the semi-industrial test is carried out after the above test was greatly improved, mainly to the feeding equipment, high-frequency probe, electronic amplifier circuit and implementing agencies, etc. have been improved from the original multi-channel sorting changed to single-selections . This article is based on the results of improving the semi-industrial test.