Method for dry grinding a material containing a carbonate ore
    2.
    发明授权
    Method for dry grinding a material containing a carbonate ore 有权
    干法研磨含有碳酸盐矿石的材料的方法

    公开(公告)号:US08074909B2

    公开(公告)日:2011-12-13

    申请号:US12227536

    申请日:2007-05-22

    IPC分类号: B02C1/00

    摘要: The present invention is directed to a method for dry milling a material containing a carbonate ore. The method comprises the following steps: (a) dry milling the material in at least one milling unit: (i) in the presence of at least one polyalkylene glycol polymer having monomer units forming a backbone, where at least 90% of the monomer units forming the backbone of the polymer are constituted by ethylene oxide, propylene oxide or their mixtures, and where the polymer has a molecular weight of at least equal to 400 g/mole, (ii) such that the milling unit contains a quantity of water that is less than 10% in dry weight of the material in the milling unit; (b) optionally classifying the material from step a) with at least one classification unit; and (c) optionally repeating steps a) and/or b) with all or part of the material from step a) and/or step b).

    摘要翻译: 本发明涉及用于干磨含有碳酸盐矿石的材料的方法。 该方法包括以下步骤:(a)在至少一个研磨单元中干燥研磨材料:(i)在至少一种具有形成主链的单体单元的聚亚烷基二醇聚合物存在下,其中至少90%的单体单元 形成聚合物的骨架由环氧乙烷,环氧丙烷或其混合物构成,并且其中聚合物的分子量至少等于400g / mol,(ii)使得研磨单元含有一定量的水, 在研磨单元中的材料的干重小于10%; (b)任选地将来自步骤a)的材料与至少一个分类单元分类; 和(c)任选地重复步骤a)和/或b)与来自步骤a)和/或步骤b)的全部或部分材料。

    Process for dry grinding of one or more mineral materials including at least one calcium carbonate
    3.
    发明授权
    Process for dry grinding of one or more mineral materials including at least one calcium carbonate 有权
    用于干磨一种或多种矿物材料(包括至少一种碳酸钙)的方法

    公开(公告)号:US08444071B2

    公开(公告)日:2013-05-21

    申请号:US13600347

    申请日:2012-08-31

    IPC分类号: B02C19/00

    摘要: The present invention provides a process for dry grinding one or more mineral materials which include at least calcium carbonate. The process includes a) crushing the mineral material or materials in at least one crushing unit until a crushed material is obtained with a d95 of less than 10 cm, and dry grinding the material in at least one grinding unit (i) in the presence of at least one comb-type hydrophilic polymer containing at least polyalkylene oxide function grafted on to at least one unsaturated ethylene monomer, and (ii) in such a manner that the quantity of liquid in the grinding unit is less than 15% by dry weight of the material crushed in the crushing unit, wherein recovered material has a d50 of 0.5 to 500 microns.

    摘要翻译: 本发明提供一种干法研磨一种或多种至少包括碳酸钙的矿物材料的方法。 该方法包括:a)在至少一个破碎装置中破碎矿物材料或材料,直到得到d95小于10cm的破碎材料,并且在至少一个研磨装置(i)中,在 至少一种至少含有聚环氧烷官能团的梳型亲水性聚合物接枝到至少一种不饱和乙烯单体上,和(ii)使得研磨单元中的液体量小于15% 在破碎单元中粉碎的材料,其中回收的材料具有0.5至500微米的d 50。

    Method for dry grinding a material containing a carbonate ore
    4.
    发明授权
    Method for dry grinding a material containing a carbonate ore 有权
    干法研磨含有碳酸盐矿石的材料的方法

    公开(公告)号:US08440298B2

    公开(公告)日:2013-05-14

    申请号:US13212246

    申请日:2011-08-18

    IPC分类号: B32B5/16

    摘要: The present invention provides a product obtained by a method of dry milling a mineral material in at least one milling unit: (i) in the presence of at least one polyalkylene glycol polymer having monomer units forming a backbone, where at least 90% of the monomer units forming the backbone of the polymer are constituted by ethylene oxide, propylene oxide or their mixtures, and where the polymer has a molecular weight of at least equal to 400 g/mole, and (ii) in a quantity of water that is less than 10% in dry weight of the material in the milling unit.

    摘要翻译: 本发明提供通过在至少一个研磨单元中干磨矿物材料的方法获得的产品:(i)在至少一种具有形成主链的单体单元的聚亚烷基二醇聚合物存在下,其中至少90% 形成聚合物主链的单体单元由环氧乙烷,环氧丙烷或其混合物构成,并且其中聚合物的分子量至少等于400g / mol,和(ii)少量的水 在研磨单元中的材料干重超过10%。