- Aug 18, 2017 -
Household appliances in accordance with the normal service life of 10-15 years calculation, the need to scrap the average number of televisions per year more than 5 million, washing machines an average of 5 million units per year, refrigerators about 4 million units per year, in this country will be eliminated more than 15 million units of discarded appliances. In recent years, electronic communications equipment such as computers, mobile phones, VCD, DVDs, CDs, CD-ROM, such as the speed of upgrading, the annual scrap number has risen sharply, bringing more serious environmental problems.
Plastic is an important component of household electrical appliances, according to the proportion of table 4, the resulting renewable plastic at least 150,000 tons each year, if you consider the scrap of electronic communications equipment renewable plastic quantity, the number of about more than 200,000 tons. The main components of these recycled plastics are polypropylene (PP), polystyrene (PS), polyvinyl chloride (PVC), ABS, etc., and the value of recycling is larger; some thermosetting plastic, foaming polyurethane, glass fiber reinforced plastics are relatively difficult to recover.
It is one of the most important parts to dispose recycled plastics rationally in the process of recycling waste household appliances. Different types of household electrical appliances are not the same type of plastic, the same product because of the different types of plastics used by manufacturers are not the same, sometimes the same type of plastic and the use of additives, functional masterbatch or formula, this will give home appliances plastic recycling work caused by a certain degree of difficulty, should be taken seriously, and strive to achieve effective recycling, so that they minimize environmental pressure and energy waste.