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Aluminum and its alloys are important raw materials for economic construction and are widely used in machinery, construction, automotive, aircraft, home appliances and packaging materials. After the 1980s, the world's aluminum industry developed rapidly, and its output was the first among non-ferrous metals. In 2001, the output of primary aluminum reached 24.67 million tons, and the consumption reached 23.52 million tons.
Although the primary aluminum industry has developed rapidly, it is also constrained by problems such as long construction period, large investment, high energy consumption and serious pollution. In order to make up for the shortage of primary aluminum and meet the growing market demand, all countries attach great importance to the development of recycled aluminum. Recycled aluminum and its products have been widely used in various industrial fields. It is reported that the world's production of recycled aluminum has reached more than 8 million tons (excluding China's production), accounting for about 33% of primary aluminum production, and the development momentum is rapid. The world's recycled aluminum industry is an integral part of the world's aluminum industry, an indispensable resource for the sustainable development of the world's aluminum industry, and an industry with great market potential and development prospects. Recycled aluminum has the advantage that electrolytic aluminum does not have. Energy savings per ton of recycled aluminum and energy consumption per ton of electrolytic aluminum are up to 95%, CO2 and harmful emissions are greatly reduced, which is conducive to environmental protection.
As an important part of recycled aluminum recycling, cans have been a shortcoming in the scrap aluminum recycling industry in China due to its complex composition and difficult recycling. Although the recovery rate of cans in China is still relatively high, for various reasons, the form of recycled cans has been destroyed, and some have been squeezed and packaged. Therefore, the waste cans shipped to the factory are difficult to carry out the body, cover and ring. Separation. At present, the internationally accepted method is to directly produce 3004 aluminum alloy without separation.
The process of producing 3004 aluminum alloy by using waste cans is as follows: waste cans package crushing - magnetic separation to remove iron materials - rotary kiln carbonized paint - rotary screening vibration decarburization - double chamber reverberatory furnace melting - impurity removal Magnesium - adjustment of ingredients - refining and degassing - filtration - ingots.
The above is the most important step in the production of 3004 aluminum alloy cans, and the first step in the whole process is to crush the waste cans. However, the most ideal equipment for crushing used cans is the can crusher.
The can crusher is a can of various materials such as Lulu can, Wang Laoji can, Sprite can, Coke aluminum can, Tin bucket, oil barrel, paint can, etc. According to the requirements of the user, the material can be externally generated in the machine body. A machine that deforms and splits into tiny particles or balls. The pulverized metal particles can reduce transportation costs and improve the efficiency of ironmaking in the furnace, and also play an irreplaceable role in deoxidation or metal processing of steel plants.
Guangzhou Jointair Co., Ltd. , https://www.jointairaccessories.com