PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID
    1.
    发明申请
    PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID 审中-公开
    磷酸的纯化方法

    公开(公告)号:US20130287666A1

    公开(公告)日:2013-10-31

    申请号:US13976282

    申请日:2012-01-03

    IPC分类号: C01B25/234

    CPC分类号: C01B25/234 B01D9/0045

    摘要: Process for purifying a stream comprising phosphoric acid and a first amount of impurities, comprising: forming a slurry of phosphoric acid crystals in a water mother liquor; separating the phosphoric acid crystals from the mother liquor by filtration in a wash column comprising a filtering element, while a packed bed of crystals coming from the slurry forms near such filtering element; washing the separated phosphoric acid crystals in the wash column by bringing a washing liquid in countercurrent to the crystals in the bed up to a wash front, where the washing liquid recrystallizes, the bed being subjected to a movement in the direction of such wash front; forming a purified stream comprising phosphoric acid and a reduced amount of impurities by melting at least part of the washed crystals; and extracting the purified stream from the wash column through a product outlet of the wash column; wherein water is introduced into the wash column, between the wash front and the product outlet and/or in a melting circuit producing at least part of the washing liquid, and wherein the introduction of the said water decreases the equilibrium temperature of the contents of the melting circuit.

    摘要翻译: 一种净化含有磷酸和第一量杂质的物流的方法,包括:在水母液中形成磷酸晶体的浆料; 在包含过滤元件的洗涤塔中通过过滤从母液中分离磷酸晶体,而来自浆料的晶体填充床形成在该过滤元件附近; 通过使洗涤液与床中的晶体逆流洗涤前洗涤液洗涤液中的分离的磷酸晶体,洗涤液重结晶,床沿这种洗涤前方向移动; 通过熔化至少部分洗涤的晶体形成包含磷酸和减少量的杂质的纯化物流; 并通过洗涤塔的产物出口从洗涤塔提取纯化物流; 其中将水引入洗涤塔中,洗涤前部和​​产品出口之间和/或在产生至少部分洗涤液的熔解回路中,并且其中所述水的引入降低了所述洗涤液的内容物的平衡温度 熔化电路。

    WASH COLUMN
    2.
    发明申请
    WASH COLUMN 审中-公开
    洗手间

    公开(公告)号:US20120118835A1

    公开(公告)日:2012-05-17

    申请号:US13318894

    申请日:2010-05-06

    IPC分类号: B01D24/00

    摘要: A wash column for processing a suspension of solid particles in a liquid comprising a bed forming chamber in which a packed bed of solid particles can be formed, filtrate extraction means for extracting liquid from the suspension as to form the packed bed of solid particles in the bed forming chamber, and a suspension supply line for supplying the suspension directly to an end of the bed forming chamber, wherein the suspension supply line ends in the bed forming chamber.

    摘要翻译: 一种用于处理液体中固体颗粒悬浮液的洗涤塔,包括可形成固体颗粒填充床的床形成室,滤液萃取装置,用于从悬浮液中提取液体以形成固体颗粒的填充床 床形成室和用于将悬浮液直接供应到床形成室的端部的悬浮液供应管线,其中悬浮液供应管线在床形成室中终止。

    Method and computer program to determine compliance with export requirements
    5.
    发明申请
    Method and computer program to determine compliance with export requirements 审中-公开
    确定符合出口要求的方法和计算机程序

    公开(公告)号:US20050081151A1

    公开(公告)日:2005-04-14

    申请号:US10925673

    申请日:2004-08-25

    IPC分类号: G06Q50/00 G06F3/00

    CPC分类号: G06Q50/30

    摘要: A method is provided for automatic preparation of displays containing requirements for compliance with export restrictions for a set of exportable elements. The method includes the steps of: compiling an inventory of the exportable elements with applicable criteria for control identified for each exportable element; obtaining a digital matrix of a plurality of destinations containing control criteria for each destination; and automatically, using a computer, comparing criteria for control for each exportable element with control criteria for a plurality of countries and preparing a display, selected from the group consisting of a display for each country with applicable restrictions for each of the exportable elements for which restrictions apply to that destination, a display for at least one exportable element that includes destination for which restrictions apply, and both of the preceding displays.

    摘要翻译: 提供了一种用于自动准备显示器的方法,其包含对一组可出口元件的出口限制的符合要求。 该方法包括以下步骤:使用针对每个可输出元素确定的控制的适用标准来编制可导出元素的库存; 获得包含每个目的地的控制标准的多个目的地的数字矩阵; 并且使用计算机自动地将用于每个可输出元素的控制的标准与多个国家的控制标准进行比较,并且准备显示器,所述显示器从由对于每个可输出元素 限制适用于该目的地,至少包含一个可导出元素的显示,其中包含适用该限制的目的地以及前两个显示。

    Cladding plank installation tool
    6.
    发明授权
    Cladding plank installation tool 失效
    包层板安装工具

    公开(公告)号:US5370377A

    公开(公告)日:1994-12-06

    申请号:US123136

    申请日:1993-09-17

    IPC分类号: E04F21/18 B23Q3/02

    CPC分类号: E04F21/1855 Y10S269/904

    摘要: A tool for use in the fixing of plank cladding where the tool includes a first member (1) and a second member (11) shorter than and spaced from the first member (1) to provide the sides of a plank receiving slot (36) which has a bottom (35), a hook (12) on the second member faces away from the first member (1), a plank retainer (21) extends through the first member (10) and is biassed by a spring (28) to obstruct the slot (36). In use the tool hook (12) is engaged with an already fixed support plank and the next plank to be fixed is supported on the retainer (21). When the next plank is part fixed the retainer (21) is withdrawn from the plank slot (36) to allow the part fixed plank to enter further into the slot (36) as the tool is raised to unhook it from the support plank.

    摘要翻译: 一种用于固定板条包层的工具,其中工具包括第一构件(1)和比第一构件(1)短并与其间隔开的第二构件(11),以提供板条接收槽(36)的侧面, 其具有底部(35),所述第二构件上的钩(12)远离所述第一构件(1),板保持器(21)延伸穿过所述第一构件(10)并被弹簧(28)偏压, 以阻塞狭槽(36)。 在使用中,工具钩(12)与已经固定的支撑板接合,并且待固定的下一个板被支撑在保持器(21)上。 当下一个板条部分固定时,保持架(21)从板条槽(36)中退出,以便当工具升高以将其从支撑板上取下时,部分固定板材进一步进入槽(36)。