[China Aluminum Network] The intention of the waste aluminum pretreatment is to complete the mechanization and automation of waste aluminum separation, remove metal impurities and non-metal impurities at the extreme limit, and effectively sort waste aluminum. The assortment method of waste aluminum is to divide the waste aluminum according to the main alloy composition into several major categories, such as alloy aluminum, aluminum-magnesium alloy, aluminum-copper alloy, aluminum-zinc alloy, aluminum-silicon alloy and so on. In this way, it is possible to reduce the difficulty of removing impurities in the smelting process and adjust the composition. It is also possible to comprehensively use the alloy components in the scrap aluminum, especially the aluminum scraps containing zinc, copper, and magnesium, which must be stored separately and used as smelting aluminum alloys. Adjust the composition of the material.
Wind selection
Wind separation can separate waste paper, plastic waste and dust. All kinds of waste aluminum are more or less rich in waste paper, waste plastic film and dust, and the more ambitious technology is the winnowing method. The technology of winnowing method is very simple, and it can separate most of the light wastes efficiently, but it needs to be equipped with a good dust collection system to prevent dust from polluting the environment. Sorted waste paper and waste plastic films are generally not suitable for continuous sorting and can be used as fuel.
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