Abstract: By analyzing the output of household range hoods and the status quo of plastic parts of waste range hoods in the past ten years, traditional waste plastic parts are mainly recycled for TVs, refrigerators, air conditioners, washing machines and other traditional household appliances. Range hoods account for a small proportion of waste and used The range hood cannot be fully utilized, resulting in a certain degree of pollution and waste of resources. The importance of recycling the waste plastic parts of the range hood is expounded. Taking the plastic check valve on the range hood as an example, describing the recycling process of the waste check valve through dismantling, crushing, cleaning, etc. Help achieve carbon peaking and carbon neutrality goals.

Key words: Yield, Waste plastics, Dismantling, Recycling, Benefit