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Conversion of troublesome lime fines to useful high quality fluidized lime in feeding flux lime to a BOF converter

机译:在将助熔剂石灰供入BOF转炉时,将麻烦的石灰细料转化为有用的高质量流化石灰

摘要

Crushed flux lime to be used in a BOF converter is processed to minimize waste dust, obviate environmental complications caused by high pH in waste water, and to utilize a very high percentage of the original crushed lime for useful products. The crushed flux lime is screened to provide a fine grain fraction and a modified flux lime fraction. Only a small percentage of the modified flux lime fraction is dust which may be removed in a dust collection system, and the modified flux lime fraction is then passed to the BOF converter. The fine grain fraction is made into a highly fluidized lime of very small dimensions by pulverizing it further in the presence of a fluidizing agent.
机译:BOF转炉中使用的压碎助熔剂石灰经过处理,可最大程度地减少废粉尘,避免废水中高pH值引起的环境复杂性,并将原始压碎石灰的非常高的百分比用于有用产品。筛分压碎的助熔剂石灰,以提供细粒级分和改性的助熔剂石灰级分。改性的助熔剂石灰级分中只有一小部分是灰尘,可以在集尘系统中将其除去,然后将改性的助熔剂石灰级分传递到BOF转化器。通过在流化剂的存在下将其进一步粉碎,将细颗粒级分制成尺寸非常小的高度流化石灰。

著录项

  • 公开/公告号US9365907B1

    专利类型

  • 公开/公告日2016-06-14

    原文格式PDF

  • 申请/专利权人 ALMAMET USA INC.;

    申请/专利号US201414200598

  • 发明设计人 FRANK HERWIG;

    申请日2014-03-07

  • 分类号C21C7;C21C7/076;C04B2/02;B02C23/08;B07B1/28;C21C7/064;

  • 国家 US

  • 入库时间 2022-08-21 14:31:58

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