Automatically controlled road hazardous chemical substance transportation accident emergency processing system

The utility model provides an automatically controlled road hazardous chemical substance transportation accident emergency processing system. The system comprises a deoiling sedimentation basin, a constructed wetland or a bio-filter connected with the deoiling sedimentation basin, an accident pool, water quality monitoring equipment, a water quality threshold value memory unit, a numeric comparison unit and a controller, wherein the accident pool and the deoiling sedimentation basin are connected with road surface runoffs respectively through an electric three-way valve; the numeric comparison unit is connected with the water quality monitoring equipment and the water quality threshold value memory unit respectively, and is used for receiving water quality indexes transmitted from the water quality monitoring equipment, comparing the water quality indexes with a threshold value range and sending a signal according to a comparison result; and the controller is connected with the numeric comparison unit and the