NOVELTY - System for extracting refuse derived fuel (RDF) from municipal waste, comprises waste receiver (1), a crusher (2), a biological ferment tank (3), first magnetic separator (4), sieving machine (5), gravity separator, second magnetic separator, vortex separator, inert material reservoir, sorting belt, vibration sieve, second crusher and RDF reservoir. The waste receiver for receiving municipal waste, and the secondary crusher is set between the input port of the conveying device. The out port of secondary crusher with biological ferment tank is set between the conveying device.    USE - Used as a system for extracting RDF from municipal waste.    ADVANTAGE - The system: utilizes waste form urban areas for extracting RDF; and is suitable for mixing and collecting primary waste for extracting RDF.    DETAILED DESCRIPTION - System for extracting refuse derived fuel (RDF) from municipal waste, comprises waste receiver (1), a crusher (2), a biological ferment tank (3), first magnetic separator (4), sieving machine (5), gravity separator, second magnetic separator, vortex separator, inert material reservoir, sorting belt, vibration sieve, second crusher and RDF reservoir. The waste receiver for receiving municipal waste, and the secondary crusher is set between the input port of the conveying device. The out port of secondary crusher with biological ferment tank is set between the conveying device. The biological ferment tank with the first magnetic separator is set between the input port of the conveying device, and the output port of the first magnetic separator with sieving machine is set between the input port of the conveying device. The sieving machine of the sieve under the lower material output port with gravity separator is set between the input port of the conveying device, and the gravity separator of light particle material with output port of RDF reservoir is set between conveying device. The sieving machine in the output port of the sorting belt, the input end of the sorting belt, the output end of the vibration sieve, the input port of the vibration sieve have a particle size greater than 75 mm. The output port and the second crusher in input port is set between conveying device. The second crusher in output port with vibration sieve and the input port are set between conveying device, and vibration sieve of the sieve and lower material output port with RDF reservoir is set between the conveying device.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of the system for extracting RDF from municipal waste.    Waste receiver (1)    Crusher (2)    Biological ferment tank (3)    First magnetic separator (4)    Sieving machine (5)