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    Process for manufacturing ultra low consistency alpha- and beta- blend stucco
    1.
    发明授权
    Process for manufacturing ultra low consistency alpha- and beta- blend stucco 有权
    制造超低浓度α-和β-混合灰泥的方法

    公开(公告)号：US07588634B2

    公开(公告)日：2009-09-15

    申请号：US11533604

    申请日：2006-09-20

    申请人： Michael R. Lynn ,  W. David Song ,  Qingxia Liu ,  Qiang Yu ,  Michael L. Cloud

    发明人： Michael R. Lynn ,  W. David Song ,  Qingxia Liu ,  Qiang Yu ,  Michael L. Cloud

    IPC分类号： C04B11/00

    CPC分类号： C01F11/466 ,  C04B11/002 ,  C04B11/024 ,  C04B11/032

    摘要： A process is disclosed for making a blend of alpha- and beta-stucco including a slurry calcination step to produce alpha calcium sulfate hemihydrate followed by a fluidized bed calcination step to produce beta calcium sulfate hemihydrate. The process starts with 50-75% gypsum-containing solids slurry, and then steam calcines the slurry in a first reactor to form partially calcined gypsum slurry which contains calcium sulfate dihydrate and alpha calcium sulfate hemihydrate. The partially calcined slurry is then dewatered. Then the filter cake is fed into a kettle to complete the calcination process by converting the calcium sulfate dihydrate of the filter cake material into beta calcium sulfate hemihydrate.

    摘要翻译： 公开了一种制备包括浆料煅烧步骤的α-和β-灰泥混合物以产生α硫酸钙半水合物，然后进行流化床煅烧步骤以产生β硫酸钙半水合物的方法。 该方法从50-75％含石膏固体浆料开始，然后蒸汽在第一反应器中煅烧浆料以形成含有硫酸钙二水合物和α硫酸钙半水合物的部分煅烧石膏浆料。 然后将部分煅烧的浆料脱水。 然后通过将滤饼材料的硫酸钙二水合物转化成β硫酸钙半水合物将滤饼进料到釜中以完成煅烧过程。

    Panels including renewable components and methods for manufacturing same
    9.
    发明授权
    Panels including renewable components and methods for manufacturing same 有权
    包括可再生元件的面板及其制造方法

    公开(公告)号：US08133357B2

    公开(公告)日：2012-03-13

    申请号：US12414313

    申请日：2009-03-30

    申请人： Bangji Cao ,  Te Hua Lau ,  W. David Song ,  Martin W. Brown

    发明人： Bangji Cao ,  Te Hua Lau ,  W. David Song ,  Martin W. Brown

    IPC分类号： D21F11/00

    CPC分类号： E04B1/86 ,  C04B28/26 ,  C04B2111/52 ,  E04B9/04 ,  E04B2001/745 ,  E04B2001/746 ,  Y02A30/245 ,  Y02W30/97 ,  C04B14/185 ,  C04B14/28 ,  C04B14/46 ,  C04B18/241 ,  C04B18/26 ,  C04B20/008 ,  C04B40/0064 ,  C04B20/0048 ,  C04B14/42 ,  C04B18/248

    摘要： A panel includes about 0.1% to about 95% by weight of a ground renewable component. In an embodiment, the panel has at least one core comprising: from about 0.1% to about 95% by weight of the ground renewable component; from about 0.1% to about 95% by weight of one or more fibers; and from about 1% to about 30% by weight of one or more binders, all based on dry panel weight. In an embodiment, the ground renewable component has a particle size distribution whereby less than 5% of the particles are retained by a mesh screen with openings of about 0.312 inches and less than 5% of the particles pass through a mesh screen with openings of about 0.059 inches. A method for manufacturing such panels is also provided.

    摘要翻译： 面板包含约0.1重量％至约95重量％的地面可再生组分。 在一个实施方案中，面板具有至少一个核心，其包含：约0.1重量％至约95重量％的地面可再生组分; 约0.1％至约95％重量的一种或多种纤维; 和约1％至约30％重量的一种或多种粘合剂，均基于干板重量。 在一个实施方案中，地面可再生组分具有粒度分布，其中小于5％的颗粒被网筛保持，筛网具有约0.312英寸的开口且小于5％的颗粒通过具有约 0.059英寸。 还提供了制造这种面板的方法。