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苏联北部采选公司的精矿由№1和№2选矿厂生产。这两个选矿厂都安装了全套新型装置,分别于1964～1970年和1978～1980年投产。№1.选矿厂有19个系列,全部为球磨。矿石用圆锥破碎机进行4段破碎。该选矿厂处理“五一”露天矿的矿石。№2选矿厂有9个系列,其中8个系列为全自磨;一个系列为球磨,处理碎砾和多余砾石。该选矿厂主要处理安诺夫露天矿矿石。№1选矿厂经长期运转以后,从1984年
Concentrates from mining companies in the northern part of the Soviet Union are produced by №1 and №2 concentrators. Both plants are equipped with a full range of new installations, commissioned in 1964-1970 and 1978-1980 respectively. № 1. Concentrator 19 series, all for the ball mill. Ore crushing machine with four broken. The beneficiation plant to deal with “51” open pit ore. № 2 beneficiation plant has nine series, of which eight series for the whole self-grinding; a series of ball milling, dealing with gravel and excess gravel. The concentrator mainly deals with Anov opencast ore. № 1 beneficiation plant after long-term operation, from 1984