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1988年初,加拿大诺兰达矿物有限公司决定在GECO选矿厂安装压滤机,以代替真空盘式过滤机和烧船用油的回转窑干燥器。安装的2台过滤机当中,一台用于钢精矿过滤,一台用于锌精矿过滤。该工程计划在1989年第3季度完成。对于整个过滤过程而言,仍有些作业要在承载传送带上进行。该工程目前的投资费用为270万美元。本文介绍过滤机的选择标准、安装、投产及有关问题。
In early 1988, Noranda Mineral Canada Ltd. decided to install a filter press at the GECO concentrator to replace rotary kiln dryers for vacuum disc filters and burning oil. Among the 2 filters installed, one is for steel concentrate filtration and one for zinc concentrate filtration. The project is scheduled for completion in the third quarter of 1989. For the entire filtration process, there are still some operations to be carried on the conveyor belt. The current investment cost of the project is 2.7 million U.S. dollars. This article describes the filter selection criteria, installation, commissioning and related issues.