Rapid detection device for petroleum substances in wastewater

The utility model relates to a rapid detection device for petroleum substances in waste water, which comprises a detection box, one side of the detection box is provided with a water inlet detection pipe, and the water inlet detection pipe is provided with a water suction pump; the detection bearing pool is located in the detection box and connected with the water inlet detection pipe, and the detection bearing pool comprises a bearing bottom plate, a telescopic folding plate movably connected with the bearing bottom plate and a lifting driving device; the drainage tube is connected with the detection bearing pool; and a wastewater treatment device is arranged on the drainage tube. During detection, the water inlet detection pipe collects waste water, so that the waste water enters a detection space formed by the telescopic folding plate and the bearing bottom plate; under the action of the lifting driving device, the telescopic folding plate is adjusted according to the water level, and the detection space i