Attached air bath type vaporizer

The utility model discloses an attached air bath type vaporizer which is arranged at the bottom of a vertical storage tank. Comprising a supporting frame, and the supporting frame is connected with a bottom sealing head of the storage tank; the pipeline system is arranged on the supporting frame; the pipeline system comprises heat exchange pipes evenly stacked on the supporting frame, and a liquid collecting pipe transversely arranged at the bottom of the supporting frame and communicated with the heat exchange pipes on the bottom layer. The communicating pipe is vertically arranged at one end, far away from the liquid collecting pipe, of the heat exchange pipe; the gas collecting pipe is transversely arranged at the top of the support frame and is communicated with the heat exchange pipe at the top; a liquid inlet is formed in the liquid collecting pipe; and a gas outlet is formed in the gas collecting pipe. A vaporizer pipeline is arranged; the vaporizer meeting the use requirement of the vaporization amoun