A high -pressure finned plate heat exchanger that is arranged in tail gas nitrogen, ammonia, methane to purify

The utility model relates to a finned plate heat exchanger technical field, a high -pressure finned plate heat exchanger that is arranged in tail gas nitrogen, ammonia, methane to purify, including the casing to and set up at inside high -pressure exhaust gas passage, high -pressure hydrogen rich gas passageway and the low pressure fuel gas passageway of casing, high pressure exhaust gas passage,high -pressure hydrogen rich gas passageway all include matrix type reinforcing support to and set up the imported water conservancy diversion piece in matrix type reinforcing support top, and set upthe export water conservancy diversion piece in matrix type reinforcing support below, be equipped with a plurality of matrix unit on the matrix type reinforcing support, all be equipped with high -pressure fin in every matrix unit, be equipped with the first fluid passageway on the matrix type reinforcing support between two matrix unit the that from top to bottom direction is adjacent and communicate with each other, be