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                        Main Work Flow Of Grain Cleaning And Stone Removal Equipment
                        May 19, 2021

                        Stone removing machine is an indispensable impurity removal equipment for flour mills. It is mainly used to remove side stones mixed with wheat seeds to reduce the sand content of flour and ensure the quality of flour. If you know the working principle and operation of the stone remover and do not know why, it is undoubtedly not conducive to improving the process effect of the stone remover. In addition to the equipment required by the flour mill, the stone removal equipment can also be used to separate impurities from rice and wheat that have a larger specific gravity than grains, and it can also be used to separate heavy impurities in other grains.

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                        The main work flow of this type of grain de-stoning equipment: When the material enters the de-stoning equipment, due to the difference in levitation speed of side-by-side stone and wheat, under the combined action of appropriate vibration and updraft, the wheat with a lower levitation speed will float on On the upper layer, the side-by-side stones with higher levitation speed sink into the bottom layer to closely adhere to the equipment, forming an automatic classification phenomenon. At the same time, due to the effect of air flow, the voids between the materials increase, and the positive pressure and friction between the material layers decrease.

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                        In foreign countries, a new type of stone remover developed on the basis of similar products adopts suction type primary selection and blowing type multiple selection structure. There will be some grains in the stones discharged after the primary selection, and the mixture of this part of the grains and the stones will be re-selected. The multi-selection sieve surface is equipped with a built-in fan for blowing to completely separate the stones and grains. After the stones are concentrated, they are discharged from the stone discharge port.


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