Briquetting of mill scale
    1.
    发明授权
    Briquetting of mill scale 有权
    压块轧机规模

    公开(公告)号:US08444746B2

    公开(公告)日:2013-05-21

    申请号:US12841876

    申请日:2010-07-22

    IPC分类号: C22B1/24 C22B1/248

    摘要: The invention relates to a method for the agglomeration of iron-oxide-containing residual materials, in particular scale and mill scale, wherein the residual materials and paper sludge are dried and ground and agglomerates are produced, by hot briquetting, from a mixture of the residual materials and paper sludge so processed. In this manner, it is possible to produce mill scale briquettes of high strength and density. These briquettes can then be charged into an electric arc steelmaking furnace for the purpose of recycling the iron contained in the residual materials.

    摘要翻译: 本发明涉及一种用于使含铁氧化物的残留材料,特别是氧化皮和氧化皮附聚的方法,其中残留的材料和纸浆被干燥,并通过热压块从 残留物料和造纸污泥如此处理。 以这种方式,可以生产高强度和高密度的轧机团块。 然后可以将这些团块装入电弧炼钢炉中,以便回收剩余材料中所含的铁。

    Briquetting of mill scale
    2.
    发明申请
    Briquetting of mill scale 有权
    压块轧机规模

    公开(公告)号:US20120017725A1

    公开(公告)日:2012-01-26

    申请号:US12841876

    申请日:2010-07-22

    IPC分类号: C22B9/10 C22B1/24 C22B1/14

    摘要: The invention relates to a method for the agglomeration of iron-oxide-containing residual materials, in particular scale and mill scale, wherein the residual materials and paper sludge are dried and ground and agglomerates are produced, by hot briquetting, from a mixture of the residual materials and paper sludge so processed. In this manner, it is possible to produce mill scale briquettes of high strength and density. These briquettes can then be charged into an electric arc steelmaking furnace for the purpose of recycling the iron contained in the residual materials.

    摘要翻译: 本发明涉及一种用于使含铁氧化物的残留材料,特别是氧化皮和氧化皮附聚的方法,其中残留的材料和纸浆被干燥,并通过热压块从 残留物料和造纸污泥如此处理。 以这种方式,可以生产高强度和高密度的轧机团块。 然后可以将这些团块装入电弧炼钢炉中,以便回收剩余材料中所含的铁。

    MILL SCALE BRIQUETTING
    3.
    发明申请
    MILL SCALE BRIQUETTING 有权
    米尔规模

    公开(公告)号:US20130192421A1

    公开(公告)日:2013-08-01

    申请号:US13811502

    申请日:2011-07-02

    IPC分类号: C22B1/16

    摘要: The invention relates to a method of agglomerating iron oxide-containing residual substances, in particular scale and mill scale, wherein the residual materials and the paper sludge are dried and comminuted and agglomerates are produced by means of hot briquetting from the mixture comprising the residual substances and the paper sludge. In this way, mill scale briquettes of high strength and density can be produced which in steelmaking processes can then be charged into an electric arc furnace for the purpose of recycling the iron contained in the residual substances.

    摘要翻译: 本发明涉及一种使含氧化铁的残留物质,特别是规模和磨尺度凝集的方法,其中残留物料和纸泥被干燥和粉碎,并且通过从包含残留物质的混合物进行热压块生产附聚物 和纸泥。 以这种方式,可以生产出高强度和高密度的轧机压块,在炼钢过程中可以将其装入电弧炉中,以回收残留物中所含的铁。

    METHOD FOR THE SELECTIVE ACIDIC DEZINCIFICATION OF STEEL SCRAP
    5.
    发明申请
    METHOD FOR THE SELECTIVE ACIDIC DEZINCIFICATION OF STEEL SCRAP 有权
    钢丝屑选择性酸洗方法

    公开(公告)号:US20110271796A1

    公开(公告)日:2011-11-10

    申请号:US13120534

    申请日:2009-09-23

    IPC分类号: C22B1/00 C25C1/16

    摘要: The invention claims a method for the selective acidic dezincing of steel scrap. The selective complete dezincing is achieved by the addition of oils, whereupon the dissolution of iron being substantially suppressed through the autogenous inhibition effect of the oils. The steel scrap arising when the dezincing process has been completed is protected against corrosion by the remaining film of oil, said corrosion protection preventing the formation of iron oxide layers and thus blackening of the scrap material. The oil discharged with the dezincing solution can be separated as a pure phase by resorting to flotation in support of the process and can then be reused as inhibitor.

    摘要翻译: 本发明要求一种用于废钢的选择性酸性除锌的方法。 选择性完全除铁是通过添加油来实现的,因此通过油的自发抑制作用基本上抑制了铁的溶解。 当完成除锌过程时产生的废钢被保留的油膜保护不被腐蚀,所述防腐蚀防止氧化铁层的形成,从而使废料变黑。 用去渣溶液排出的油可以作为纯相分离,借助于浮选以支持该方法,然后可以作为抑制剂再次使用。

    Method for the selective acidic dezincification of steel scrap
    6.
    发明授权
    Method for the selective acidic dezincification of steel scrap 有权
    废钢选择性酸性脱锌方法

    公开(公告)号:US08574339B2

    公开(公告)日:2013-11-05

    申请号:US13120534

    申请日:2009-09-23

    IPC分类号: C22B3/06 C22B19/30

    摘要: Complete dezincing of steel scrap is achieved by the addition of oils, whereupon the dissolution of iron is substantially suppressed through the autogenous inhibition effect of the oils. The steel scrap arising when the dezincing process has been completed is protected against corrosion by the remaining film of oil, the corrosion protection preventing the formation of iron oxide layers and thus blackening of the scrap material. The oil discharged with the dezincing solution can be separated as a pure phase by resorting to flotation in support of the process and can then be reused as an inhibitor.

    摘要翻译: 通过添加油来实现废钢的完全除铁,因此通过油的自发抑制作用基本上抑制了铁的溶解。 完成除锌工艺后产生的废钢被保留的油膜残留腐蚀,防腐蚀防止氧化铁层的形成,从而使废料变黑。 用去屑溶液排出的油可以作为纯相分离,借助于浮选以支持该方法,然后可以再次用作抑制剂。