Efficient energy-saving steam generator

The utility model discloses an efficient energy-saving steam generator. Including a housing, characterized in that it is characterized in that it comprises, wherein a plurality of water through copperpipes which are correspondingly arranged up and down are arranged in the shell; heating pieces are arranged between the adjacent water passing copper pipes, the top of the water passing copper pipe on the top layer and the bottom of the water passing copper pipe on the bottom layer. The heating sheet is arranged along the trend of the water through copper pipe and is in contact with the outer wall of the water through copper pipe; the inlet ends of the water passing copper pipes penetrate out of the shell and are connected with an external water inlet pipeline, the outlet ends of the water passing copper pipes penetrate out of the shell and are connected with an external steam pipeline, a battery box is further arranged outside the shell, and the heating pieces are electrically connectedwith the battery box. By i