Blockage detection system and method for filter on asphalt conveying pipe

The invention provides a blockage detection system for a filter on an asphalt conveying pipe. The blockage detection system comprises the asphalt conveying pipe for conveying asphalt to a colloid mill, the asphalt conveying pipe is connected with a filter in series, and the input end and the output end of the filter are respectively connected with the asphalt conveying pipe in series through hoses; the filter is provided with a metering and weighing system; the metering and weighing system comprises a weighing device arranged below the filter; and the filter is supported by the weighing device. The invention further provides a blockage detection method for the filter on the asphalt conveying pipe. The blockage detection system is adopted for monitoring the blockage condition of the filter on the asphalt conveying pipe in real time. The blockage condition of the filter on the asphalt conveying pipe can be monitored in real time, blockage of the filter can be found in time, related personnel can be reminded to