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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers, Part B. Journal of engineering manufacture >A systematic selective disassembly approach for Waste Electrical and Electronic Equipment with case study on liquid crystal display televisions
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A systematic selective disassembly approach for Waste Electrical and Electronic Equipment with case study on liquid crystal display televisions

机译：一种系统的液晶显示电视案例研究的废物电气和电子设备的系统选择性拆卸方法

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摘要

Waste Electrical and Electronic Equipment is one of the major waste streams in terms of quantity and toxicity, and a critical step in Waste Electrical and Electronic Equipment end-of-life processing is through disassembly. Compared with full disassembly, which is a sub-optimal solution due to its high operational cost, selective disassembly is more economic and practical as only selected parts with recycling potential are considered. In this article, a systematic selective disassembly approach for handling Waste Electrical and Electronic Equipment with a maximum disassembly profit in accordance to the Waste Electrical and Electronic Equipment and Restriction of Hazardous Substances Directives has been developed. First, a space interference matrix is generated based on the interference relationship between individual components in the three-dimensional computer-aided design model of Waste Electrical and Electronic Equipment. A matrix analysis algorithm is then applied to obtain all the feasible disassembly sequences through the obtained space interference matrix in a three-dimensional environment. Second, an evaluation and decision-making method is developed to find out an optimal selective disassembly sequence from the obtained feasible disassembly sequences. The evaluation takes into account the disassembly profit and requirements of the Waste Electrical and Electronic Equipment and Restriction of Hazardous Substances Directives, which regulate on recycling rates of different types of products and removal requirements of (1) hazardous, (2) heavy and (3) high-value components. Thus, an optimal solution is a selective disassembly sequence that can achieve the maximum disassembly profit, while complying with the Waste Electrical and Electronic Equipment and Restriction of Hazardous Substances restrictions based on a brute-force search method. Finally, an industrial case on Changhong liquid crystal display televisions of the type LC24F4 is used to demonstrate the effectiveness of the developed approach.
机译：废物电气和电子设备是在数量和毒性方面是主要的废物流之一，以及废物电气和电子设备的关键步骤通过拆卸。与完全拆卸相比，由于其高运行成本，这是一种次优溶液，选择性拆卸更加经济实用，因为只考虑具有回收潜力的选定零件。在本文中，开发了一种用于处理废物电气和电子设备的系统选择性拆卸方法，其根据废物电气和电子设备以及限制有害物质指令的最大拆卸利润。首先，基于废物电气设备的三维计算机辅助设计模型中的各个组件之间的干扰关系产生空间干扰矩阵。然后应用矩阵分析算法以通过在三维环境中通过所获得的空间干扰矩阵获得所有可行的拆卸序列。其次，开发了评估和决策方法以找出来自所获得的可行拆卸序列的最佳选择性拆卸序列。评估考虑了废物电气和电子设备的拆卸利润和要求，以及限制危险物质指令，其调节不同类型产品的回收率和（1）危险，（2）重的去除要求（2）重量和（3 ）高价值组件。因此，最佳解决方案是一种选择性拆卸序列，可以实现最大的拆卸利润，同时符合废物电气和电子设备以及基于蛮力搜索方法的限制限制。最后，使用LC24F4型长虹液晶显示电视的工业案例来展示开发方法的有效性。

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