Limestone and sandstone crushing, dust falling and water spraying system

The utility model discloses a limestone and sandstone crushing, dust-settling and water-spraying system, which is characterized in that a limestone crushing, dust-settling and water-spraying branch line comprises a plurality of limestone discharge port nozzles suspended above a limestone discharge port of a limestone transport vehicle, and the limestone discharge port nozzles are sequentially connected with a first electromagnetic valve, a variable frequency pump and a water tank through water supply pipes; the sandstone crushing, dust falling and water spraying branch line comprises a plurality of sandstone discharge port nozzles suspended above a sandstone discharge port of the sandstone transport vehicle, and the sandstone discharge port nozzles are sequentially connected with a secondelectromagnetic valve, a variable frequency pump and a water tank through water pipes; and the PLC control cabinet is controlled to be opened or closed. According to the vehicle-mounted crushing and discharging port, dust gen