Invention Grant
US08146842B2 Method and plant for drying and comminution of moist, mineral, raw materials 有权
用于干燥和粉碎湿,矿物,原料的方法和设备

  • Patent Title: Method and plant for drying and comminution of moist, mineral, raw materials
  • Patent Title (中): 用于干燥和粉碎湿,矿物,原料的方法和设备
  • Application No.: US12279187
    Application Date: 2006-12-28
  • Publication No.: US08146842B2
    Publication Date: 2012-04-03
  • Inventor: Sören Hundeböl
  • Applicant: Sören Hundeböl
  • Applicant Address: DK Valby
  • Assignee: FLSMIDTH A/S
  • Current Assignee: FLSMIDTH A/S
  • Current Assignee Address: DK Valby
  • Agency: Manelli Selter PLLC
  • Agent Jeffrey S. Melcher
  • Priority: DK200600279 20060228
  • International Application: PCT/IB2006/055046 WO 20061228
  • International Announcement: WO2007/099415 WO 20070907
  • Main IPC: B02C23/32
  • IPC: B02C23/32 B02C23/24
Method and plant for drying and comminution of moist, mineral, raw materials
Abstract:
Provided is a method for drying and comminution of moist, mineral raw materials, including at least one of chalk, marl or clay. The moist, mineral raw material is dried and comminuted in a drier crusher while simultaneously supplying hot gases from a kiln system to form a dried material. The dried material in suspended form is directed to a first separator in which the dried material is separated into a coarse fraction and into a fine fraction. The fine fraction is directed to a separation cyclone and then to the kiln system. The coarse fraction is directed to a dosage means. The dosage means directs a first portion of the coarse material to the drier crusher and a second portion of the coarse material to a separate grinding unit where any hard material components, including at least one of flint, sand or marble, are subjected to grinding to form a ground material. At least a portion of the ground material from the separate grinding unit is supplied to the drier crusher. Also provided is an apparatus for conducting the method.
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