Tubular heat exchanger

The utility model discloses a tubular heat exchanger, and belongs to the field of liquid heat exchange. Comprising a shell, the shell is provided with a heat exchange cavity, a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet communicate with the heat exchange cavity; the heat exchange tube is bent in the length direction of the shell to be of a wave structure, a medium inlet is formed in one end of the heat exchange tube, a medium outlet is formed in the other end of the heat exchange tube, and the medium inlet and the medium outlet penetrate through the shell to be communicated with the outside. The technical problem that an existing heat exchanger has a heat exchange dead zone is solved. 本实用新型公开了一种管式换热器，属于液体换热领域。包括：壳体，所述壳体开设有换热腔、进液口、出液口，所述进液口和所述出液口连通所述换热腔；换热管，所述换热管沿所述壳体的长度方向上弯曲为波浪结构，所述换热管的一端开设有介质进口，另一端开设有介质出口，所述介质进口与所述介质出口穿透所述壳体与外部连通。解决了当前的换热器存在换热死区的技术问题。