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    • 4. 发明申请
    • LIME SLUDGE TREATMENT PROCESS
    • 极限污泥处理工艺
    • WO1995018078A1
    • 1995-07-06
    • PCT/US1994014438
    • 1994-12-30
    • FULLER COMPANY
    • FULLER COMPANYMATWEECHA, David, M.EUSTON, Charles, R.
    • C04B28/22
    • C04B2/10
    • Disclosed is a method and apparatus for the heat treatment of lime sludge (CaCO3) to form burnt lime (CaO). In the method of the present invention, a lime sludge feed is entrained in and thereafter dried in a gas flash dryer means (4) to produce a dried lime sludge. The dried lime sludge is separated from the gas by a cyclone separator (3) and thereafter fed to a rotary kiln (10) in which the dried lime sludge is converted to active burnt lime. In order to maintain the flow of gas in the flash dryer means (4) at a predetermined velocity and in order to entrain all the lime sludge feed in the gas flow, an adjustable portion of the separated gases are recycled through the flash dryer means (4).
    • 公开了一种用于热处理石灰泥(CaCO3)以形成煅烧石灰(CaO)的方法和装置。 在本发明的方法中,将石灰污泥进料夹带在干燥器中,然后在气体闪蒸干燥机(4)中干燥,以产生干燥的石灰泥。 通过旋风分离器(3)将干燥的石灰粘泥与气体分离,然后进料到回转窑(10)中,其中干燥的石灰泥被转化为活性煅烧石灰。 为了以预定速度保持闪蒸干燥器装置(4)中的气体流动,并且为了将所有石灰污泥进料夹带在气流中,可分离的气体的可调部分通过闪蒸干燥器装置( 4)。