Environment-friendly gas waste heat recovery device

The utility model discloses a fuel gas waste heat environment-friendly recovery device which is characterized in that a recovery box is installed at the bottom end in a shell, guide plates are evenly and fixedly installed in the recovery box, a water inlet pipe is fixedly installed at the bottom of one side of the recovery box, and a gas inlet pipe is fixedly installed at the edge end of the bottom of one side of the recovery box; s-shaped bent pipes are evenly arranged in the recycling box, so that the flow guide plates are installed in the recycling box in a staggered mode, the gas circulation path is lengthened, the S-shaped bent pipes are installed in the cavities divided by the flow guide plates, the water circulation path is increased, water flow in the S-shaped bent pipes can fully absorb heat in smoke, and the smoke can be recycled. And the water tank is heated again through the heating pipe, so that the waste heat in the flue gas is absorbed again, the heat contained in the flue gas generated by gas