Lump Crusher are machines festinated to the lump crushing of products like lime, cements, chemical fertilizer, chemicals. From simple contraction with a single shaft, the lump crusher ensures small flow rates, and with two shafts more important flow rates. Possibility to realize costume. The dry bulk or fragmented powders sometimes tend to agglomerate. his phenomenon appears after a long storage, a bag or a tank conveying, particularly when we constant the presence of vibration, of temperature or hygrometry modifications. All industries are concerned, and can foresee the set up a lump crusher on a silo down part, on a post of bulk unloading, under a bag or big bag chute hopper, which will facilitate grandly the flow of the product and its ulterior using.