| 摘要 |
FIELD: power engineering.SUBSTANCE: burner comprises vertical slot converging ducts separated with a partition and having vertical confusor-forming walls, roof and hearth slabs, vertical slot windows for inlet and outlet of secondary air and fuel and air mixture, vertical planes of symmetry, a vertical prismatic prechamber with roof and hearth slabs, a front wall, having a vertical-slot window of exhaust combined with the window of fuel and air mixture inlet in the converging duct, with the vertical plane of symmetry combined with the vertical plane of symmetry of the same converging duct, with the rear wall, parallel between each other and the vertical plane of symmetry of the prechamber with side walls, windows and connected to them nozzles of primary air flows with internal vertical planes of symmetry, nozzles of liquid fuel and gas inlet with axes of symmetry. Nozzles for liquid fuel inlet are arranged on the rear wall of the prechamber in vertical rows, and their axes are directed along the vertical plane of symmetry of the prechamber, windows and nozzles for inlet of primary air flows have vertical slot shape and are arranged symmetrically on the side walls of the prechamber, vertical planes of symmetry of the nozzles form with the vertical plane of symmetry and side walls of the prechamber the angle 30-85°, roof and hearth slabs of the prechamber and roof and hearth slabs of the convergent fuel and air duct are arranged in common locating horizontal planes of roof and hearth slabs.EFFECT: invention makes it possible to reduce fuel underburning and concentration of nitrogen oxides in combustion products.1 cl, 3 dwg |
