Plate-fin heat exchanger for propane tower condensation

The utility model discloses a plate-fin heat exchanger for propane tower condensation, and belongs to the technical field of heat exchangers. Comprising a front sealing head, a rear sealing head, partition plates, fins and sealing strips, the front sealing head and the rear sealing head are each provided with a connecting groove, the partition plates are inserted into the connecting grooves, the fins are located between every two adjacent partition plates, the sealing strips are arranged at the ends of the partition plates, a heat exchange channel is formed between every two partition plates, and communicating cavities are formed in the front sealing head and the rear sealing head. An inlet pipe is connected to the side wall of the front end socket, an outlet pipe is connected to the side wall of the rear end socket, a connecting pipe is arranged in the communicating cavity and extends into the connecting groove, an adjusting valve is arranged at the end of the connecting pipe, an air outlet pipe is connected