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过泸工序的能耗约占整个选矿厂能耗的10—15％。在过泸工序的能耗中,真空泵所耗为90％以上。进一步分析真空泵的能耗时,发现它在很大程度上与真空泵的类型有关。因此,选择适宜型号的真空泵是精矿过泸工序节能的关键。 选矿厂常用的真空泵有两大类:活塞泵及转子泵,转子泵中主要是水环泵广为用于过泸工序,它的型号有BBH-50,KBH-50,BBH—150, BBH-300等。目前高效活塞泵BH-120M已广泛用于有色及黑色金属的大型选矿厂。 60年代末以来苏联及其他外国的许多选厂出现了使用水环泵的稳势。但目前许多专门文献都谈到:在选矿厂和冶炼厂用水环泵
Over the Lu process energy consumption accounts for about 10-15% of the energy consumption of the entire beneficiation plant. In the energy consumption of the Lu process, the vacuum pump consumes more than 90%. Further analysis of the energy consumption of the vacuum pump, it was found that it is largely related to the type of vacuum pump. Therefore, the choice of the appropriate type of vacuum pump is the key to energy-saving process. There are two types of vacuum pumps commonly used in concentrator: piston pump and rotor pump. The main part of the rotor pump is the water ring pump, which is widely used in the over-flow process. The models include BBH-50, KBH-50, BBH- 300 and so on. At present, efficient piston pump BH-120M has been widely used in large-scale beneficiation of non-ferrous and ferrous metals. Many settlements in the Soviet Union and other foreign countries have shown a steady state of use of water ring pumps since the late 1960s. However, there are many specialized documents that talk about water ring pumps in concentrators and smelters