Residual heat absorbing boiler for CO

[0017] As shown in the figure, a CO waste heat absorption boiler provided by the present invention includes an inlet 1, a flue gas mixing chamber 2, a combustion chamber 3, a burner 4, a wall pipe 5, an evaporation chamber 6 and an outlet 7; the flue gas mixing chamber 2 is located above the entrance 1 and below the combustion chamber 3, and a grille 21 is provided in the flue gas mixing chamber 2 to make the flue gas mix uniformly and buffer the flow velocity of the flue gas; the combustion chamber 3 is equipped with 5 burners 4, crossed Distributed in the combustion chamber 3; in order to prevent high temperature, the side wall 31 of the combustion chamber is made of high-alumina lightweight bricks; there is a wall-through pipe 5 between the combustion chamber 4 and the evaporation chamber 6 to absorb the heat generated by CO combustion; the side wall of the evaporation chamber 61 is filled with refractory materials to facilitate waste heat absorption; the bottom of the evaporat