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    • 6. 发明授权
    • Method and apparatus for conditioning bulk material
    • 散装材料调理方法和装置
    • US4785554A
    • 1988-11-22
    • US125230
    • 1987-11-25
    • Hartmut HedererManfred KreftWolfgang Hillebrand
    • Hartmut HedererManfred KreftWolfgang Hillebrand
    • B65G27/00B01J8/16F26B3/22F26B17/00F26B17/26F26B23/00F26B9/00
    • F26B23/002F26B17/006F26B3/22Y02P70/405
    • Bulk material containing vaporizable ingredients, such as lignite, hard coal, peat, waste wood, clarifier sludge, waste sludge, contaminated earth, catalysts, zeolites and filter cake, is conditioned by means of a vibrating plate conveyor divided into a heating section and a drying section, using an indirect heat exchange method. The bulk material is heated in an enclosed heating section while withdrawing the vapor from this section. In the downstream enclosed drying section, the vaporizable fractions contained in the bulk material are further reduced with the aid of heat supplied indirectly, the vapor being withdrawn. The bulk material is separated several times into coarse and fine fractions utilizing at least one slotted grid, the fines being immediately recycled and remixed with the coarse fractions which have a higher water content. The bulk material is mixed several times while being heated in the drying section before discharge.
    • 含有可汽化成分,如褐煤,硬煤,泥炭,废木,澄清池污泥,废泥浆,污染土,催化剂,沸石和滤饼的散装物料通过分为加热段和 干燥段,采用间接热交换法。 散装材料在封闭的加热部分中被加热,同时从该部分抽出蒸气。 在下游封闭的干燥部分中,通过间接供给的热量,蒸气被排出,容积材料中所含的可蒸发部分进一步减少。 使用至少一个开槽网格,将大量材料分离成粗和细分数次,细粒立即再循环并与具有较高含水量的粗级分重新混合。 将散装材料混合数次,同时在放电前在干燥部分加热。