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    • 2. 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。
    • 5. 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。
    • 9. 发明授权
    • Process for the treatment of steel-mill slag and apparatus for carrying
it out
    • 用于处理钢铁渣的方法和装置
    • US5229063A
    • 1993-07-20
    • US843528
    • 1992-02-28
    • Hubert StompMarc SolviAlbert Feitler
    • Hubert StompMarc SolviAlbert Feitler
    • C04B5/00C04B5/02C21B3/08C21B3/10C21C7/00F27D3/14F27D15/02
    • C21B3/08C21B3/10
    • The present invention provides a new process and a new apparatus for the treatment of steel-mill slag in a vessel which allows a wet granulation of the slag without the risk of explosions. The slag is caused to flow through a taphole at the bottom of the vessel, and the flow rate of the slag is determined by means of a continuous check of the weight of the vessel. One or more jets of granulating water, the flow rate of which is adjusted as a function of the slag flow rate, are directed onto the stream of slag flowing from the vessel. The apparatus comprises a vessel containing molten slag. This vessel is equipped with weighing means, with a taphole, with a device for shutting off the taphole, with means for maneuvering the shut-off device between an operating position and a stored or parked position away from the taphole and with a device for opening or freeing the taphole, engageable through the latter in order to initiate the flow of slag.
    • 本发明提供了一种用于处理容器中的钢渣渣的新方法和新装置,其允许对炉渣进行湿法造粒而没有爆炸的危险。 使炉渣流过容器底部的出口,并通过连续检查容器的重量来确定炉渣的流速。 将流量作为炉渣流量的函数调节的一个或多个造粒水的射流引导到从容器流出的炉渣流中。 该装置包括容纳熔渣的容器。 该船配有称重装置,带有出孔,具有用于关闭出气孔的装置,具有用于在远离出口的操作位置和存储或停放位置之间操纵切断装置的装置,以及用于打开的装置 或释放出口,通过后者可接合,以引发炉渣的流动。