Screening of equipment in the process of cleaning up
In the raw grain milling process, the cleaning process has always been an important link. Due to the complexity of raw materials containing impurities, domestic large and medium-sized milling plants use at least three screenings in the cleaning process, and the first in the wheat cleaning segment. The road is a screening device, the purpose is to clean up the impurities and small impurities to ensure the normal operation of the subsequent equipment. After the two barleys are connected to the screening equipment, it can ensure that the crushed mud, broken wheat and fine impurities produced after the wheat can be cleaned in time.
If the same technical method is used for the second screening, the sieving effect will be significantly reduced. Therefore, in the same process, screening equipment with different impurity removal methods should be used as much as possible to improve the efficiency of the equipment. Therefore, the selection of the three screens in the cleaning workshop process should be combined with the vibration screen and the plane rotary screen. For example, the cleaning of the shop head screen is a vibrating screen, the second is a plane rotary screen, and the three screens are vibrating screens.
The selection of the screen surface should follow the configuration principle of combining various forms and different mesh shapes and sizes, so that the efficiency of each screen surface can be exerted. For example, the first layer of the vibrating screen in the cleaning workshop is a punching screen, the circular hole, the second layer is a woven screen, and the square hole; the first layer of the second plane rotary screen is a punching screen, an oblong hole, The second layer is a punching sieve plate and a triangular hole; the first layer of the three vibrating screens is a punching sieve plate, the circular hole, the second layer is a woven mesh screen, and a circular hole. This design can ensure that the cleaning process can achieve the purpose of cleaning and removing impurities.
"Good clean-up, that is, half of work", such a popular saying in the milling industry, is showing the importance of clean-up work, the same screening equipment, using a reasonable arrangement order, in order to play the role of screening equipment, Ensure the free use of resources.
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