EGR cooler with double-channel structure

The utility model provides an EGR cooler with a double-channel structure, which comprises a cooler shell, an air inlet end cover is mounted at one end of the cooler shell, an air outlet end cover is mounted at the other end of the cooler shell, and an inner cavity spacer used for separating the inner space of the cooler shell is mounted in the cooler shell. A first channel and a second channel are formed in the inner space of the cooler shell under the action of the inner cavity partition piece, main pieces are installed in the air outlet end cover and the air inlet end cover correspondingly, a plurality of first cooling pipes are evenly arranged in the first channel, and the two ends of each first cooling pipe penetrate through the two main pieces correspondingly. A plurality of second cooling pipes are evenly arranged in the second channel, the two ends of each second cooling pipe penetrate through the two main pieces respectively, and a water inlet pipe and a water outlet pipe are installed on the outer su