DUPLEX NOZZLE AND METHOD OF FLUID SPRAYING THEREBY Russian patent published in 2014 - IPC F23D11/10 

FIELD: process engineering.

SUBSTANCE: proposed nozzle comprises case with at least first fluid inlet, second gas inlet, mixing chamber, outlet and slit-like ring hole arranged around nozzle outlet. Nozzle case accommodates means to form fluid film on mixing chamber wall and inlets to feed gas therein. Inlets and mixing chamber are configured to feed gas into mixing chamber, in fact, parallel with its wall if seen along nozzle central lengthwise axis to transfer gas inside mixing chamber, in fact, parallel with aid wall. Central axes of gas inlets are inclined to mixing chamber central axis to converge with flow to mixing chamber central lengthwise axis. Said central axes of inlets do not cross mixing chamber central axis. Invention covers also the method of fluid spraying. In compliance with said method, fluid of fluid being mixed I formed on mixing chamber wall. Gas flow is formed inside mixing chamber. Gas is injected into mixing chamber, in fact, parallel with its wall and displaced, in fact, parallel with fluid film inside said chamber. Gas flow is formed in slitted ring opening downstream of mixing chamber. Film is sprayed in said slitted ring opening.

EFFECT: power savings.

23 cl, 14 dwg