铁精矿含赤铁矿和假象赤铁矿46.97%、磁铁矿和半假象赤铁矿40.86%。我们采用φ1.8米盘式真空过滤机进行过滤试验,过滤机及附属设备连接如图所示。1980年5～8月,矿冶研究总院、包头冶金研究所和中国稀土公司三厂共同对白云鄂博主、东矿体中贫氧化铁矿进行浮选-选择性絮凝脱泥流程半工业试验。本文仅叙述细磨至-400目占96.2%以上铁精矿的过滤试验。试验用的铁精矿是包头难选混合型中氧化矿石经浮选选出萤石、稀土矿物后,再进行细磨、选择性絮凝脱泥获得的精矿,其粒度特性如下表。 Iron concentrates contain hematite and artifact hematite 46.97%, magnetite and semi-artificial hematite 40.86%. We use φ1.8 m disc vacuum filter for filtration test, filter and ancillary equipment connection as shown. From May to August 1980, the Semi-industrial Test of Flotation-Selective Flocculation and Desliming Process for Lean Iron Oxides in Boehwan Obo and East Orebodies, jointly organized by Mining and Metallurgy Research Institute, Baotou Metallurgy Research Institute and China Rare Earth Company III Plant . This article describes only fine grinding to -400 mesh, accounting for more than 96.2% of the iron concentrate filtration test. Experimental iron concentrate is Baotou difficult to select mixed oxide ore by flotation selected fluorite, rare earth minerals, and then fine grinding, selective flocculation desilting concentrate obtained, the particle size characteristics in the table below.