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颗粒机常见故障及解决方法

  1、颗粒有轴向裂纹或径向裂纹现象,而且粉化率较高,产值偏低,导致这种现象的原因可调质温度达不到,物料熟化程度较差,应进步调质温度,添加调质时的蒸汽量;也可能是切刀方位离较远且钝,使颗粒被碰短或撕裂而非堵截;

  2、颗粒外表不很润滑,而且粉化率高,可能是环模紧缩比较小,应增大紧缩孔.环模紧缩;

  3、颗粒外表较润滑,但硬度过高,可能是环模紧缩比较大,应下降环模紧缩比;

  4、颗粒水份偏高时出产产值偏低,而且经常出现堵机现象,可能是减压阀不能起减压效果或疏水阀不能起到疏水效果,应调整减压阀,使进入调质器蒸汽压力为0.1-0.4MPa,并使疏水阀能起到疏水效果。也能够相应添加调质温度,由于温度增高有利于物料熟化度的进步,一般温度每升高11℃时物料水份约添加1%;

  5、颗粒料犬牙交错,应调整切刀间隔或调整分料偏转刮方位;

  1, particles with axial cracks or radial cracks, and the powder rate is high, low value of the cause of this phenomenon is not up to temperature, material aging degree is poor, should increase the amount of steam conditioning temperature, adding conditioning; may also be cutting range farther and blunt, the particles are short touch or tear and non blocking;

  2, the particle appearance is not very lubricated, and the pulverization rate is high, it may be that the ring mode contraction is relatively small, it should increase the tightness hole.

  3, the surface of the particles is more lubricated, but the hardness is too high. It may be that the ring mode is tighter and the ring mode contraction ratio should be reduced.

  4, when the production of low value of high moisture grain, and often appeared blocking machine phenomenon, may be the valve can play the effect of decompression or trap can not play the hydrophobic effect, should adjust the valve into the steam pressure conditioner is 0.1-0.4MPa, and the trap can play the hydrophobic effect. It is also able to add the tempering temperature accordingly. As the temperature increases, it is beneficial to the progress of the curing degree of the material, and the moisture content of the material is about 1% when the general temperature is raised 11 degrees C.

  5, granular material should adjust the cutter spacing zigzag, or adjust the material scraping deflection range;

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