Method and apparatus for producing multi-color concrete
    82.
    发明申请
    Method and apparatus for producing multi-color concrete 审中-公开
    生产多色混凝土的方法和装置

    公开(公告)号:US20040121082A1

    公开(公告)日:2004-06-24

    申请号:US10624810

    申请日:2003-07-22

    IPC分类号: B05D001/02 B05D005/00

    摘要: A method for producing multi-color concrete is provided which includes the steps of providing a pigment water dispersion, providing a polymer binding agent, mixing the pigment water dispersion and the polymer binding agent to form a first spray color dispersion, discharging a wet concrete mix from a vessel, spraying the first spray color dispersion onto the wet concrete mix discharging from the vessel to form a pattern of applied color in the wet concrete mix, and forming a resultant structure of cured concrete. A system for coloring concrete based on the above method is also provided.

    摘要翻译: 提供一种生产多色混凝土的方法,其包括提供颜料水分散体,提供聚合物粘合剂,混合颜料水分散体和聚合物粘合剂以形成第一喷色分散体,排出湿混凝土混合物 从容器喷射第一喷雾分散体到从容器排出的湿混凝土混合物上,以在湿混凝土混合物中形成施加颜色的图案,并形成固化混凝土的结构。 还提供了一种基于上述方法着色混凝土的系统。

    Set retarders for foamed cements
    85.
    发明授权
    Set retarders for foamed cements 失效
    设置发泡水泥的缓凝剂

    公开(公告)号:US06372037B1

    公开(公告)日:2002-04-16

    申请号:US09569422

    申请日:2000-05-12

    IPC分类号: C04B2418

    摘要: An improved non-dispersing set retarder additive for foamed cements, cement compositions containing the additive, and methods of cementing in a subterranean zone penetrated by a well bore are provided. The set retarder additive includes a blend of a sulfonated lignin, preferably a lignosulfonate, with an alkali lignin, preferably a kraft lignin, having an organic sulfur content of 0-3.5% by weight in a ratio of about 6:4 to 8:2. The methods are basically comprised of the steps of preparing a foamed cement composition comprised of hydraulic cement, a non-dispersing set retarder, sufficient water to form a slurry, sufficient gas to foam the slurry and a foaming and foam stabilizing surfactant present in an amount sufficient to facilitate the formation of the foam and stabilize the foamed cement composition.

    摘要翻译: 提供了用于发泡水泥的改进的非分散组合缓凝剂添加剂,含有添加剂的水泥组合物,以及在井眼穿透的地下区域中的固井方法。 所述缓凝剂添加剂包括磺化木质素,优选木质素磺酸盐与碱性木质素,优选硫酸盐木质素的混合物,所述碱性木质素,优选硫酸盐木质素,有机硫含量为0-3.5重量%,比例为约6:4至8:2 。 所述方法基本上包括以下步骤:制备由水硬性水泥,非分散组合缓凝剂,足够的水形成浆料,足够的气体以使浆料发泡的发泡水泥组合物和发泡和泡沫稳定表面活性剂 足以促进泡沫的形成并稳定泡沫水泥组合物。

    Method for producing a sintered porous body
    86.
    发明授权
    Method for producing a sintered porous body 有权
    烧结多孔体的制​​造方法

    公开(公告)号:US06365092B1

    公开(公告)日:2002-04-02

    申请号:US09338060

    申请日:1999-06-23

    IPC分类号: B28B152

    摘要: A shaped sintered fibrous porous body exhibits a structure with a three-dimensional corrugated or undulating shape and porosity. The structure includes inorganic fibers joined as a sintered structure and is produced in one embodiment by: dispersing and suspending a fiber mixture including inorganic fibers and organic binder, such as cellulose fibers, or other organic compounds, in a liquid to form a fibrous slurry; forming a body including the fiber mixture by depositing the slurry on a shaped screen to thereby shape the fibrous body to a three-dimensional configuration simultaneously with the formation of the body; removing at least a part of the liquid from the fibrous body through the screen by a vacuum; drying the fibrous body in the ambient atmosphere or in a furnace; heating the dried fibrous body to a first elevated temperature where the organic binder is removed from the body; subsequently heating the dried body to a second elevated temperature where the inorganic fibers are partly fused to form a sintered porous fibrous body with a three-dimensional corrugated or undulating configuration. The body is suitable for use as or included in reactor elements to provide gas/condensed phase mass transfer areas in a system involving processing or teatment of gases and/or vapors through distillation, absorption and/or catalytic reactions or the like requiring gas/condensed phase mass transfer, The body is also for enhancing fluid-catalyst mass transfer at low pressure drop and contacting between fluids or combinations thereof in single phase catalytic reactors.

    摘要翻译: 成形烧结纤维状多孔体呈现三维波状或起伏形状和孔隙率的结构。 该结构包括作为烧结结构接合的无机纤维,并且在一个实施方案中通过以下方式制备:将包含无机纤维和有机粘合剂如纤维素纤维或其它有机化合物的纤维混合物分散和悬浮在液体中以形成纤维浆料; 通过将浆料沉积在成形的筛网上形成包括纤维混合物的主体,从而在形成身体的同时将纤维体形成三维构型; 通过真空通过筛网从纤维体中去除至少一部分液体; 在环境气氛或炉子中干燥纤维体; 将干燥的纤维体加热到第一高温,其中有机粘合剂从身体去除; 随后将干燥的物体加热至无机纤维部分熔融的第二高温,形成具有三维波纹或起伏构型的烧结多孔纤维体。 本体适合用作或包含在反应器元件中,以在涉及通过蒸馏,吸收和/或催化反应等进行气相和/或蒸汽处理或喷雾的系统中提供气体/冷凝相质量传递区域,其需要气体/冷凝 本体还用于在低压降下增强流体 - 催化剂传质,并在单相催化反应器中使流体或其组合之间接触。