Household garbage full-coverage pyrolysis gasification incinerator

The utility model discloses a household garbage full-covering pyrolysis gasification incinerator which comprises a hearth, a feeding device is arranged at the front end of the hearth, an ash discharge and slag outlet is formed in the lower portion of the other side of the hearth, a mechanical fire grate is arranged at the bottom in the hearth, the ash discharge and slag outlet is located at the output end of the mechanical fire grate, and a front arch and a rear arch are arranged in the hearth. A smoke outlet is formed between the front arch and the rear arch, a secondary combustion chamber is formed between the rear arch and the top in the hearth, the smoke outlet is communicated with the secondary combustion chamber, a covering plate is arranged at the position, located at the smoke outlet, of the front arch in an upward inclined mode, one end of the covering plate is connected with the front arch, and the other end of the covering plate is suspended and faces the secondary combustion chamber. According to