Efficient environment-friendly integrated composite screening system for solid materials

The invention relates to an efficient environment-friendly integrated composite screening system for solid materials. The efficient environment-friendly integrated composite screening system for the solid materials comprises a raw material conveying mechanism, a flow dividing chute, at least two screening devices, a screened material conveying mechanism, a return mine material bin, bedding material bins, small finished product material bins and a large finished product material bin; the raw material conveying mechanism is connected with the flow dividing chute and communicates with the at least two screening devices through the flow dividing chute; and the screening devices are connected in parallel and communicate with the screened material conveying mechanism through large material discharging flow guiding chutes, communicate with the small finished product material bins through small finished product discharging flow guiding chutes, communicate with the bedding material bins throughbedding material dischar