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    • 5. 发明授权
    • Process for thermal treatment of residual materials containing heavy metal and iron oxide
    • 含有重金属和氧化铁的残余物质的热处理工艺
    • US06451086B2
    • 2002-09-17
    • US09780449
    • 2001-02-12
    • Thomas HansmannRomain FriedenMarc Solvi
    • Thomas HansmannRomain FriedenMarc Solvi
    • C21B1308
    • F27B9/185C21B3/04C21B13/10C22B7/001Y02P10/122Y02P10/128Y02P10/136Y02P10/214Y02W30/542Y10S75/961
    • A process for thermal treatment of residual materials containing heavy metal and iron oxide, including providing a multiple-hearth furnace having hearths provided one above the other, depositing the residual materials continuously on a top hearth of the hearths, gradually transferring the residual materials to lower hearths of the hearths, introducing reducing agents to at least one of the hearths and reacting the residual materials to form heavy metals and directly reduced iron, exhausting gases containing heavy metals from below hearths of the hearths where the heavy metals are being vaporised, re-injecting at least a part of the gases into the multiple-hearth furnace from above the hearths of the hearths where the heavy metals are being vaporised, and discharging the directly reduced iron together with residues of the reducing agents in an area of a bottom hearth of the hearths in the multiple hearth furnace.
    • 一种用于热处理含有重金属和氧化铁的残余材料的方法,包括提供具有一个上下放置的炉床的多炉底炉,将残留物料连续地放置在炉膛的顶部炉床上,逐渐将残余物料转移到较低温度 在炉膛的炉膛中,将还原剂引入到炉膛中的至少一个并且使剩余的材料反应以形成重金属,并直接还原铁,从重金属被汽化的炉膛下方的炉底排出含有重金属的废气, 在重金属被汽化的炉膛的炉膛上方,将至少一部分气体注入多炉中,并将直接还原的铁与还原剂的残留物一起排放到底炉底的区域 多炉底炉的炉膛。
    • 8. 发明授权
    • Method for the heat treatment of residues containing heavy metals
    • 热处理重金属残留物的方法
    • US06383252B1
    • 2002-05-07
    • US09807998
    • 2001-05-04
    • Jean-Luc RothThomas HansmannRomain FriedenMarc Solvi
    • Jean-Luc RothThomas HansmannRomain FriedenMarc Solvi
    • C21B1308
    • C21B13/105C21B13/10C22B7/02Y02P10/136Y02P10/212
    • The invention relates to a method for the heat treatment of residues containing heavy metals, carried out in a multiple-hearth furnace which is divided into three zones, each of which comprises several stacked levels. Said method consists of the following steps: continuous feeding of the heavy-metal residues into the top level of the first zone of the multiple-hearth furnace, the residues being gradually transferred to the second zone and dried during the transfer; continuous feeding of reducing agents and desulfurizers into the top level of the second zone, whereby the reducing agents and desulfirizers are mixed with the dried residues and the mixture is heated to approximately 800° C., calcined during heating and gradually transferred to the third zone; heating of the mixture to approximately 1000° C. in the third zone, whereby the metals are reduced and the waste gases resulting in said third zone are drawn off and treated separately; and discharge of the mixture from the multiple-hearth furnace.
    • 本发明涉及一种用于热处理含有重金属的残留物的方法,该方法在多层炉中进行,其分为三个区域,每个区域包括多个堆叠层。 所述方法包括以下步骤:将重金属残留物连续进料到多层炉的第一区的顶层,残留物逐渐转移到第二区并在转移期间干燥; 将还原剂和脱硫剂连续进料到第二区域的顶层,由此将还原剂和脱硫剂与干燥的残余物混合并将混合物加热至约800℃,在加热期间煅烧并逐渐转移到第三区域 ; 在第三区域中将混合物加热至约1000℃,由此金属被还原,并且导致所述第三区域的废气被分离和分离处理; 并从多层炉中排出混合物。
    • 10. 发明申请
    • Device and method for enhancing zinc yield from bottom dross
    • 从底渣提高锌产量的装置和方法
    • US20070022842A1
    • 2007-02-01
    • US11494164
    • 2006-07-27
    • George MissiriotisRomain FriedenDominique Rocchi
    • George MissiriotisRomain FriedenDominique Rocchi
    • C21B7/14C21C7/00
    • C23C2/003C22B7/004C22B7/04C22B19/30Y02P10/212
    • A device for removing dross from the bottom of a molten metal bath comprises a perforated basket assembly for receiving said dross, pumping means for pumping said bottom dross and molten metal from the bottom of the molten metal bath into the perforated basket assembly when the perforated basket assembly is in a pumping position, lifting and/or rotating means for moving said perforated basket assembly from its pumping position out of said molten metal bath in a separation position and in a disposal position and separation means for separating said bottom dross from said molten metal, wherein the separation means comprise a paddle assembly capable of contacting said dross inside the perforated basket assembly with a cutting action in a first position followed by a cutting action in at least one adjacent second position, when the perforated basket assembly is in the separation position.
    • 用于从熔融金属浴底部去除浮渣的装置包括用于接收所述浮渣的多孔筐组件,用于将所述底渣和熔融金属从熔融金属浴的底部泵送到多孔筐组件中的抽吸装置, 组件处于抽吸位置,提升和/或旋转装置,用于在分离位置和处理位置中将所述多孔筐组件从其泵送位置移出所述熔融金属浴池,并在处理位置和用于将所述底部渣滓与所述熔融金属分离的分离装置 ,其中所述分离装置包括桨形组件,当所述多孔篮组件处于分离位置时,所述桨组件能够在所述多孔筐组件内部的所述浮渣与第一位置中的切割动作接触,随后在至少相邻的第二位置进行切割动作 。