High-capacity high-parameter waste heat boiler flue inlet uniform flow field structure

The invention discloses a high-capacity high-parameter waste heat boiler flue inlet uniform flow field structure which comprises a hearth flue inlet, and a water-cooling flow guide screen dividing the interior of a hearth into two parts is arranged from the hearth flue inlet to the center line of the hearth. A water-cooling flow guide screen is arranged on the upper side and the lower side of the water-cooling flow guide screen, high-temperature flue gas is promoted to enter a hearth from the upper portion and the lower portion of the center line of a hearth flue inlet, a flow field is optimized, the flue gas is homogenized, a water-cooling flow guide screen upper collecting box and a water-cooling flow guide screen lower collecting box are arranged on the upper side and the lower side of the water-cooling flow guide screen respectively, and a collecting box connecting suspension ascending pipe is arranged on the water-cooling flow guide screen upper collecting box. The water-cooling flow guide screen upper h