公开(公告)号：JPH11257662A

公开(公告)日：1999-09-21

申请号：JP36351698

申请日：1998-12-21

Applicant: ABB RESEARCH LTD

Inventor： DUBACH PETER ,  LLOYD JONATHAN ,  SATTELMAYER THOMAS ,  STEINBACH CHRISTIAN DR

IPC: F23R3/28 ,  B05B1/14 ,  B05B1/34 ,  B05B7/04 ,  B05B7/10 ,  F23C7/00 ,  F23D11/38 ,  F23D11/40 ,  F23R3/58

Abstract: PROBLEM TO BE SOLVED: To improve liquid distribution in an outer chamber of a pressure jet nozzle, and fuel distribution in a premixing burner in particular. SOLUTION: A pressure jet nozzle comprises a nozzle head 4 for communicating an outer tube 2 and an inner tube 3 at the lower stream. In the nozzle head 4 are arranged at least two separated whirl chambers or swirl chambers 9, 10, 11, 12. Each of the whirl chambers or swirl chambers 9, 10, 11, 12 is communicated respectively to a second supply passage by means of at least one swirl passage 16, a first supply passage by means of at least one whirl generating passage, and an outer chamber 18 of a nozzle body 1 by means of an outlet.