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Abstract: The purpose of this study is to technically design an aluminium scrap processing machine by utilizing the direct exhaust hot air using a conveyor drying system. The automotive parts manufacturing industries use aluminium material which requires a large amount of energy. They produce waste heat energy, as well as scrap aluminium. The energy wasted and the scrap aluminium used for savings and efficiencies. One of them is by utilizing Exhaust hot air for the drying process of scrap material for reprocessing. There are four steps: analyse the production flow; calculate the potential energy by utilizing the exhaust hot air; design the exhaust air utilization system for the washing and drying system; analyse the energy savings and the additional techno-economic value added from the system to reprocess the scrap aluminium chips and powder. From the analysis, the melting process of the core process still uses 50% of raw materials from an ingot, then the other 50% from scrap shared by dry scrap briquettes of 20% and the rest of 30% from dry scrap solids. The added value of the design is the material cost savings from the difference between the selling price of unprocessed scrap material and the price of the raw material purchased.
Keywords: energy efficiency; energy conservation; waste heat; flue gas utilization, material cost savings, automotive parts industry,
Please cite:
Erkata Yandri, Pramudito Pramudito, Ronald Ronald, Yudhitia Ardiani, Ratna Ariati, Roy Hendroko Setyobudi, Wahyu Widodo, Muhammad Zahoor, Ivar Zekker, “Technical Design of Aluminium Scrap Processing Machines by Utilizing Direct Exhaust Air using Conveyor Drying System“, Estonian Academy of Sciences, Vol 71, Issues 2, 2022, https://doi.org/10.3176/PROC.2022.2.01
Proceedings of the Estonian Academy of Sciences – Publications.
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