Pyrometallurgical process for treating molybdenite containing lead sulfide
    1.
    发明授权
    Pyrometallurgical process for treating molybdenite containing lead sulfide 有权
    用于处理含硫化铅的辉钼矿的火法冶金工艺

    公开(公告)号:US08163258B2

    公开(公告)日:2012-04-24

    申请号:US12621456

    申请日:2009-11-18

    IPC分类号: C22B1/00

    摘要: A method of removing lead sulfide contained in refined molybdenite powder concentrates (major component; MoS2) is provided. More specifically, in order to solve the problems associated with a leaching method using a leaching agent that is employed for conventional hydrometallurgical process, oxygen-free inert gas is circulated in a furnace for pyrometallurgical treatment to evaporate lead sulfide at high temperature, followed by condensing process to recover lead sulfide at low temperature. The method is characterized in that, it can reduce environmental contamination and can easily recover sulfides of valuable metals such as lead, indium, zinc and the like.

    摘要翻译: 提供了一种除去精炼的辉钼矿粉末浓缩物(主要组分; MoS2)中所含的硫化铅的方法。 更具体地,为了解决与使用用于常规湿法冶金工艺的浸出剂的浸出方法相关的问题,将无氧惰性气体在用于火法冶金处理的炉中循环以在高温下蒸发硫化铅,随后冷凝 在低温下回收硫化铅的工艺。 该方法的特征在于它可以减少环境污染,并且可以容易地回收有价值的金属如铅,铟,锌等的硫化物。

    PYROMETALLURGICAL PROCESS FOR TREATING MOLYBDENITE CONTAINING LEAD SULFIDE
    2.
    发明申请
    PYROMETALLURGICAL PROCESS FOR TREATING MOLYBDENITE CONTAINING LEAD SULFIDE 有权
    用于处理包含铅的硫化钼的微量元素工艺

    公开(公告)号:US20110081283A1

    公开(公告)日:2011-04-07

    申请号:US12621456

    申请日:2009-11-18

    摘要: A method of removing lead sulfide contained in refined molybdenite powder concentrates (major component; MoS2) is provided. More specifically, in order to solve the problems associated with a leaching method using a leaching agent that is employed for conventional hydrometallurgical process, oxygen-free inert gas is circulated in a furnace for pyrometallurgical treatment to evaporate lead sulfide at high temperature, followed by condensing process to recover lead sulfide at low temperature. The method is characterized in that, it can reduce environmental contamination and can easily recover sulfides of valuable metals such as lead, indium, zinc and the like.

    摘要翻译: 提供了一种除去精炼的辉钼矿粉末浓缩物(主要组分; MoS2)中所含的硫化铅的方法。 更具体地,为了解决与使用用于常规湿法冶金工艺的浸出剂的浸出方法相关的问题,将无氧惰性气体在用于火法冶金处理的炉中循环以在高温下蒸发硫化铅,随后冷凝 在低温下回收硫化铅的工艺。 该方法的特征在于它可以减少环境污染,并且可以容易地回收有价值的金属如铅,铟,锌等的硫化物。

    Manufacturing method of ferromolybdenum from molybdenite
    3.
    发明授权
    Manufacturing method of ferromolybdenum from molybdenite 有权
    来自辉钼矿的钼铁的制造方法

    公开(公告)号:US08268034B2

    公开(公告)日:2012-09-18

    申请号:US12995870

    申请日:2010-10-20

    IPC分类号: C22C38/12

    摘要: Provided is a manufacturing method of ferromolybdenum from molybdenite concentrate, and more particularly, a manufacturing method of ferromolybdenum with copper content of 0.5% or less from molybdenite with high copper content without carrying out a separate copper removing process by putting molybdenite, aluminum metal and iron metal, in a heating furnace and reacting them at high temperature to manufacture the ferro molybdenum at the lower portion thereof, forming a slag using aluminum sulfide and iron sulfide as the main components at the upper portion thereof, and putting most of the copper (80 to 95%) existing in the molybdenite in a slag layer. The exemplary embodiment can shorten a process as compared to a metallothermic reduction (Thermit) method of the related art and reduce the consumption of a reducing agent, i.e., aluminum.

    摘要翻译: 本发明提供来自辉钼矿精矿的钼铁的制造方法,特别是铜含量高于铜含量为0.5%以下的铁钼的制造方法,不进行通过将辉钼矿,铝金属和铁 金属,在加热炉中并在高温下使其反应以在其下部制造铁钼,在其上部使用硫化铝和硫化铁作为主要成分形成炉渣,并将大部分铜(80 至95%)存在于辉钼矿中的渣层中。 与现有技术的金属热还原(Thermit)方法相比,示例性实施方案可以缩短工艺,并且减少还原剂即铝的消耗。

    Manufacturing Method of Ferromolybdenum From Molybdenite
    4.
    发明申请
    Manufacturing Method of Ferromolybdenum From Molybdenite 有权
    钼辉钼矿的制造方法

    公开(公告)号:US20120174709A1

    公开(公告)日:2012-07-12

    申请号:US12995870

    申请日:2010-10-20

    IPC分类号: C22C1/02 C22B4/06

    摘要: Provided is a manufacturing method of ferromolybdenum from molybdenite concentrate, and more particularly, a manufacturing method of ferromolybdenum with copper content of 0.5% or less from molybdenite with high copper content without carrying out a separate copper removing process by putting molybdenite, aluminum metal and iron metal, in a heating furnace and reacting them at high temperature to manufacture the ferro molybdenum at the lower portion thereof, forming a slag using aluminum sulfide and iron sulfide as the main components at the upper portion thereof, and putting most of the copper (80 to 95%) existing in the molybdenite in a slag layer. The exemplary embodiment can shorten a process as compared to a metallothermic reduction (Thermit) method of the related art and reduce the consumption of a reducing agent, i.e., aluminum.

    摘要翻译: 本发明提供来自辉钼矿精矿的钼铁的制造方法,特别是铜含量高于铜含量为0.5%以下的铁钼的制造方法,不进行通过将辉钼矿,铝金属和铁 金属,在加热炉中并在高温下使其反应以在其下部制造铁钼,在其上部使用硫化铝和硫化铁作为主要成分形成炉渣,并将大部分铜(80 至95%)存在于辉钼矿中的渣层中。 与现有技术的金属热还原(Thermit)方法相比,示例性实施方案可以缩短工艺,并且减少还原剂即铝的消耗。

    METHOD OF MANUFACTURING SINTERED FERROMOLYBDENUM ALLOY FROM MIXED POWDER OF MILL SCALE AND MOLYBDENUM OXIDE POWDER BY SOLID GAS REACTION
    5.
    发明申请
    METHOD OF MANUFACTURING SINTERED FERROMOLYBDENUM ALLOY FROM MIXED POWDER OF MILL SCALE AND MOLYBDENUM OXIDE POWDER BY SOLID GAS REACTION 审中-公开
    通过固体气体反应从混合粉末混合粉末和氧化钼粉末制造烧结的氟化镁合金的方法

    公开(公告)号:US20120156084A1

    公开(公告)日:2012-06-21

    申请号:US13386146

    申请日:2011-08-22

    IPC分类号: B22F1/00 B32B15/02 B22F3/12

    摘要: The present invention relates to a method for manufacturing a sintered ferromolybdenum alloy, in which a mixed powder of a mill scale (a mixture of Fe, FeO and Fe2O3) as a ferrous raw material discharged from a hot rolling and forging process of the steel-making process and a molybdenum oxide powder as a molybdenum raw material is primarily reduced with a hydrogen gas at low temperature, and then is secondarily reduced with the hydrogen gas at high temperature and simultaneously is cooled in a hydrogen atmosphere to thereby obtain a ferromolybdenum alloy in the form of a powder, and subsequently the obtained ferromolybdenum alloy powder is mixed with wax (Kenolube P11) and the wax-containing mixture is compacted or pressure-molded, after which the molded product is heat-treated in a hydrogen gas atmosphere and then is cooled, thereby manufacturing a sintered ferromolybdenum alloy, and a sintered product manufactured by said method.

    摘要翻译: 本发明涉及一种烧结锰铁合金的制造方法,其特征在于,将从所述钢 - 铁合金的热轧和锻造工序排出的作为铁原料的铁粉(Fe,FeO,Fe 2 O 3的混合物) 作为钼原料的钼氧化物粉末主要在低温下用氢气还原,然后在高温下用氢气二次还原,同时在氢气氛中冷却,从而得到铁钼合金 将粉末形式,随后将所得的钼合金粉末与蜡(Kenolube P11)混合,将含蜡混合物压实或压模,然后在氢气气氛中对成型体进行热处理,然后 冷却,从而制造烧结的钼钼合金,以及通过所述方法制造的烧结产品。