Energy-saving and environment-friendly waste heat recycling steam boiler

The energy-saving and environment-friendly waste heat recycling steam boiler comprises a device main body, a material box and a motor, a heat exchange pipe is installed on the inner side of the device main body, a combustion-supporting piece is installed below the heat exchange pipe, a baffle is connected to the bottom end of the device main body, and a first water tank is connected to the outer side of the device main body; a first supporting rod is connected to the bottom end of the first water tank, a water pipe is connected to the left end of the first water tank, first limiting blocks are connected to the upper end and the lower end of the water pipe correspondingly, a second water tank is installed on the left side of the device body, and the second water tank and the first water tank are connected through a second limiting block; a second water tank is installed at the front end of the material box, the bottom of the material box is connected with a spiral conveyor, and the left side of the motor is co