Kitchen garbage pretreatment system

The invention discloses a kitchen waste pretreatment system which comprises a chain scraper conveyor, a plurality of chain scraper conveyors and a plurality of chain scraper conveyors. The chain scraper conveyors are used for receiving kitchen waste grabbed by a grab bucket and adjusting the flow of a treatment line. The manual sorting equipment is used for manually sorting out large-size garbage; the coarse crusher is used for carrying out bag breaking and shaping and controlling the maximum particle size; the magnetic separator is used for picking out the metal; the drum screen is used for screening and separating, and oversize products are conveyed to a slag discharging room; the disc screen is used for screening and separating undersize products of the drum screen, and oversize products are conveyed to a slag discharging room; screen underflow of the disc sieve is conveyed at a high speed and impacts the hard substance separator to be separated into hard substances and flexible substances ...