| abstract |
An ultra-low NOx emission submerged combustion type gasification device is characterized by comprising a main fan, a main burner, a flue gas distributor, a water tank, a gasification pipe bundle and the like, wherein the main fan (1) is connected with the main burner (2) and an auxiliary burner (8), and the main burner (2) is connected with the flue gas distributor (3); the main burner (2), the gasification tube bundle (5) and the auxiliary burner (8) are arranged in the water tank (4); the smoke distributor (3) is arranged at the bottom of the water tank (4); the chimney (7) is connected with the top of the water tank (4); the outlets of the chimney (7) and the auxiliary burner (8) are connected with the gas mixer (9); the gas mixer (9), the denitration reactor (10), the heat exchanger (11), the induced draft fan (12) and the scrubber (13) are sequentially connected, and a reducing agent system is arranged in front of the gas mixer (9) or the denitration reactor (10). The utility model has low nitrogen oxide emission, energy saving and environmental protection. |