| In recent years, as the economic of China growth rapidly, the auto industry and car consumption market at an alarming rate, the buoyant trend of rapid growth. At the same time, sustainable development, the concept of circular economy has gradually been taking root. Against this background, the reverse logistics and recycling scrap cars by the business and academic problems more and more attention. In this regard, the United States and Europe have a lot of successful experience, from the legislative processes to scrap the car have formed a complete system. Practice has proved that acts of recycling scrap cars are not only good economic benefits, but there are important social benefits. On the one hand, recycling of scrapped cars have a lot to re-use or recycling of resources through the recycling of these resources can be achieved not only the economic benefits of recycling, but also can ease the plight of resources faced by the automotive industry. On the other hand,scrap cars contain many harmful substances, if not for professional treatment, these substances will pollute the environment. Therefore, a reasonable recovery of scrapped vehicles and scientific treatment is to implement the scientific concept of development, to achieve an important aspect of recycling economy,weth far-reaching social significance. At present, there are multiple scrap automobile recycling industry,the problem of stray, lack of order within the industry, industry layout is unreasonable, resulting in slow development of the industry. However, with the rapid growth of car ownership, the number of scrapped cars is also growing. Scrap automobile recycling industry will be further highlighted the problems out. In order to improve industry status, and promote recycling of discarded automobile industry, healthy and rapid development, more and more scholars have begun for the Study of issues related industries. However, most domestic scholars of qualitative research-based, discussion of industry status quo and put forward corresponding countermeasures. Only a few scholars discarded automobile recycling system design and network design problems.Based on the summary of relevant literature and analysis, combined with the reverse logistics network and the basic theory of reverse logistics vehicles, scrap cars recycled in China reverse logistics network design issues are studied. Elaborated on China the status of scrap automobile recycling industry and scrap car recycling network characteristics, and on this issue on the basis of further definition, proposed a multi-period mixed integer nonlinear programming model. Using Lingo software to solve the model,a numerical example of the validity of the model. Finally, no capacity constraints by positioning the device location to establish the reverse logistics network positioning model of the location of recycling centers, the network can be determined by the model number of recycling centers, recycling centers handle the volume of scrap cars and the average transport distance. SITATION software in the nation to solve simulated data, the result is a nationwide network of scrap cars recycled a total of 71 recycling centers, recycling centers and has been handling the volume and transport distance data. The results of these data recovery companies for the amount of scrapped vehicle control and provide the scientific basis of macro-control policies, and location of discarded automobile recycling business provides a practical and concrete basis. |
