| 摘要 |
PROBLEM TO BE SOLVED: To provide an exhaust gas treatment device capable of properly trapping popcorn ash.SOLUTION: An exhaust gas treatment device is provided with an exhaust gas pipe 48 which allows a combustion gas to flow therethrough, a heat recovery part which is provided at the exhaust gas pipe 48 and can recover heat from the exhaust gas, a harmful substance removal part which is provided at the downstream side in the direction of an exhaust gas flow from the heat recovery part in the exhaust gas pipe 48 and can remove harmful substances in the exhaust gas, and a popcorn ash trapping part 61 which is provided between the heat recovery part and the harmful substance removal part in the exhaust gas pipe 48 and can trap popcorn ash in the exhaust gas. In the popcorn ash trapping part 61, a plurality of protruding parts 66 which protrude toward the upstream side in the direction of the exhaust gas flow are arranged in parallel along two intersecting directions. |
