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新桥矿选厂脱水车间采用的脱水工艺是真空内滤机→浓缩 机（ＮＴ－３０）→砂泵（４ＰＮＪＡ）→搅拌桶→砂泵（４ＮＪＡ）→压滤机（ＸＭＺ－５００／１５００）。但安装设备实际盍转后，发现存在以下严重不足： （１）浓密机辊轮易与轴抱死，轮面磨损严重，轨道易松动、齿条?
The dewatering process used in the dehydration workshop of Xinqiao Mineral Processing Plant is vacuum filter → thickener (NT-30) → sand pump (4PNJA) → mixing drum → sand pump (4NJA) → filter press (XMZ-500/1500) . However, the actual installation of equipment after the turn, found the following serious shortcomings: (1) thickener roll easily locked with the shaft, the tread surface wear and tear, the track easily loose, rack?