Integral type moving grate boiler smoke-eliminating arch

The utility model provides an integral moving grate boiler antismoke arch, comprising a moving grate under a hearth box and an inlet orifice arranged in front of the hearth, which is characterized in that an antismoke arch, the front and the back of which are incorporated, is arranged above the hearth, wherein one side of the antismoke arch is connected with a wind and water jacket of a low furnace body, the back of the antismoke arch extends backwards along the moving grate, the distance between and the antismoke arch and the moving grate is reduced gradually, the front of the antismoke arch is provided with a flue gas pore, the hearth box is communicates with the flue gas passage through the flue gas pore, a clinker tank is arranged in the back inferior of the moving gear. The utility model has the advantages of that the coal is burned fully completely and in time in the hearth, the filling degree is high, and the volume heat load of the hearth is high and the thermal efficiency is high, which largely saves energy and avoids the pollution of the environment.