Anaerobic fermentation device for manure in duck farm

The utility model provides an anaerobic fermentation device for manure in a duck farm. The anaerobic fermentation device comprises a water tank, a biogas tank and a gas storage tank, the heating pipe is fixedly mounted at the bottom of the inner side surface of the water tank; the water inlet pipe is fixedly mounted in one side of the water tank; the solar heating plate is fixedly installed at the top of the water tank, a solar water inlet pipe is fixedly installed at the bottom of the solar heating plate and extends to the bottom of the inner side face of the water tank, and a solar water outlet pipe is fixedly installed at one end of the top of the solar heating plate. According to the manure anaerobic fermentation device for the duck farm, provided by the utility model, the temperature of duck manure in the biogas tank can be controlled through the water tank, the heating pipe, the solar heating plate and the heating pipe, so that the duck manure is slowly fermented in summer, and the situation that a larg