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Rice Grader(LIANGGONG) remover has two layers of sieve surface, the upper sieve surface can separate part of light wheat, and the relative load of the lower layer of stone removal screen is reduced, so the output is higher than the single specific gravity stone machine of the same specification, so it is obtained in the wheat processing factory. widely used. In recent years, many wheat processing plants have undergone some changes in the operation of the gravity grading stone remover at the stage of the wheat cleaning stage. The upper sieve has only a small amount of light wheat and light impurities, which are mixed with the lower feet. It is crushed by a pulverizer and used as a by-product. The gravity grading stone removal machine set in the light wheat cleaning stage adopts normal operation, that is, the upper sieve surface can separate about 30% of light wheat, and the lower sieve surface separates heavy wheat at the same time as the stone removal, but after the separation, The light and heavy wheat is combined into the next cleaning process, and then into the 1 grinding mill. Therefore, the grading function of the gravity grading stone remover has not been exerted.

At present, the classification and purification of grinding materials in the design of wheat milling technology has received great attention. The classification of materials has become more and more refined, and the range of cleaning powder has become wider and wider. Many wheat flour milling processes have been set up with 10 channels. Clear powder. There are relatively few grading studies on processing materials. At present, the relevant experiments mainly test and analyze the physical and chemical properties, silty properties and gelatinization characteristics of different wheat before and after gravity Grading stone grading in two actual wheat processing production lines, and explore some basic rules of wheat quality change. The hierarchical processing provides theoretical basis and technical support.

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