BURNER NOZZLE Russian patent published in 2015 - IPC F23D11/44 

FIELD: power industry.

SUBSTANCE: burner nozzle includes a cylindrical housing, the bottom of which is made in the form of a diffuser and put from outside on the outer side of the end face of a fuel feed tube, a spray head is provided with outlet holes arranged in its circumferential direction and a central hole closed with a heating sleeve facing to a furnace chamber and located in it. Inside the heating sleeve there placed in its centre is an outlet tube connected with its left end face to the fuel feed tube and closed on the right end face with a perforated valve pressed with an elastic element that is supported from the inner surface of the end cover of the heating sleeve, in which the outlet tube is located so that between them there is an annular circulating channel connected to the cavity of the cylindrical housing, and the nozzle itself is arranged coaxially in the burner housing, inside which there concentrically arranged are primary and secondary air ducts and which is placed in its turn in the furnace port hole.

EFFECT: improving economic and ecological efficiency of a burner nozzle.

3 dwg