How many ways are there to recycle aluminium and plastic in aluminium composite panels?
As the application of aluminium-plastic panels becomes more and more widespread, the waste aluminium-plastic panels produced are also growing. As aluminium and plastic are stuck together, they can neither be used for aluminium recycling nor for plastic production, but can only be incinerated as waste, which aggravates environmental pollution and wastes a lot of resources. Although aluminium and plastic are substances that can be used secondarily through processing, aluminium and plastic are mixed together in aluminium-plastic sheets, making recycling very difficult. There are several methods of recycling aluminium and plastic in aluminium-plastic panels.
Method one, the discarded aluminium-plastic plate with mechanical crushing and heating melting, used to make flower pots or sewage pipes and other items, obviously this method of aluminium and plastic recycling rate is low;
Method 2: Incinerate the aluminium-plastic sheets, burning away the plastic and leaving the aluminium, but this will produce a large amount of polluting gas, directly polluting the environment, and also oxidising some of the aluminium when incinerated at high temperatures, making it difficult to recycle;
Method 3, the use of hot plasma furnace, in up to 15,000 degrees to 50,000 degrees of high temperature aluminum and plastic are vaporized, aluminum components sink and cast into aluminum ingots, plastic vaporization rose through the condensation into a gel as chemical raw materials, but this method is a huge investment;
Method four, the waste aluminium-plastic plate into the solution containing the separation of substances soaked, the use of separation of substances penetrate the plastic film dissolved on the aluminium layer, so as to separate the aluminium foil and plastic material film, but because the separation of substances -> mostly strong acid and strong alkali substances, will cause pollution to the environment, corrosion of equipment, but also cause the dissolution of the aluminium layer, not easy to industrial implementation.
Method five, environmental protection waste aluminium-plastic plate recycling process, the waste aluminium-plastic plate sent into the crushing equipment for crushing, crushing particle size less than 12mm, and then sent into the grinding device for grinding; sent into the vibration screening equipment for screening, from the vibration screening equipment out of the particle size is not greater than 3mm material with electric selection equipment to separate for aluminum powder and plastic, from the vibration screening equipment out of the particle size greater than 3mm material for plastic protective film Part;
SUNY GROUP aluminium-plastic separator is an environmentally friendly recycling process for waste aluminium-plastic sheet → crushing → grinding → screening → electric selection, which separates plastic and aluminium powder; the technology does not use strong acid and alkali type highly polluting substances in the whole separation process, and there is no incineration process, the whole process is controlled by automation, which saves labour and improves working efficiency. The separated plastic part can be directly used to make plastic products, and the separated aluminium powder part can be directly used to make industrial aluminium powder, so that the waste aluminium-plastic sheet can be used as a resource again, avoiding the environmental pollution brought by the waste aluminium-plastic sheet directly discarded, in line with the sustainable development strategy, with outstanding economic and social benefits, and also can be used for the separation of other waste aluminium-plastic products and copper-plastic products.
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