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Installation and process for the crystallisation of a mineral and installation and process for the crystallisation of sodium carbonate monohydrate

机译:矿物结晶的安装和方法以及一水碳酸钠结晶的安装和方法

摘要

Installation for the crystallization of an inorganic substance in a slurry of crystals, by desupersaturation of a supersaturated solution, the installation comprising a crystallization chamber with a vertical axis, divided into a central region (4) and an annular region (5), a device (9, 10) designed to produce a vertical displacement of the slurry in the central region (4) and a displacement in the opposite direction in the annular region (5), a device (8) for drawing off the slurry, comprising a pipe (23, 24) which emerges in one of the abovementioned regions, a means (14) for mechanically shearing the slurry, comprising a disc (17) carrying a ring of shearing teeth (19), and a pipe (6, 31) passing through the lid (30) and being used to admit anhydrous sodium carbonate, the pipe (31) having an extension inside the crystallization chamber on which a film of water is made to move. IMAGE
机译:用于通过过饱和溶液的去饱和作用使晶体浆液中的无机物结晶的装置,该装置包括具有垂直轴的结晶室,该结晶室被分为中心区域(4)和环形区域(5),该装置(9、10)设计成在中心区域(4)中产生淤浆的垂直位移,而在环形区域(5)中产生相反方向的位移,用于排出淤浆的装置(8),包括管子(23、24)出现在上述区域之一中,一种用于机械剪切浆料的装置(14),其包括带有剪切齿环(19)的圆盘(17)和通过的齿管(6、31)管道(31)通过盖子(30)并用于吸收无水碳酸钠,该管道(31)在结晶室内部具有延伸部,水膜在该延伸部上移动。 <图像>

著录项

  • 公开/公告号EP0562665B1

    专利类型

  • 公开/公告日1997-10-01

    原文格式PDF

  • 申请/专利权人 SOLVAY (SOCIETE ANONYME);

    申请/专利号EP19930200741

  • 发明设计人 BRETON CLAUDE;NINANE LEON;

    申请日1993-03-15

  • 分类号C01D7/35;C01D7/42;B01D9/00;

  • 国家 EP

  • 入库时间 2022-08-22 03:20:48

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