The definition of bulky waste is: waste products that are large in size, strong in integrity, or that need to be split, reprocessed and utilized, including waste household appliances and waste furniture, and other types of bulky waste. According to the definition in "Technical Requirements for Large-Scale Garbage Collection and Utilization", wastes with a weight exceeding 5kg or a volume exceeding 0.2m3 or a length exceeding 1m and having a strong integrity that need to be disassembled or broken down for reuse or treatment are called large Pieces of garbage.

After the bulky garbage is crushed by the crusher as a whole, the material is output through the belt conveyor, directly enters the bucket of the material transport vehicle at the end of the belt, and then undergoes pyrolysis and carbonization treatment, producing recyclable coke, tar, and combustible gas.