FIELD: power engineering; gas turbines burning compressed natural gas. SUBSTANCE: combustion chamber has flame tubes 1 joined with gas collector 2 secured to external and internal casings 3 and 4, respectively. Each flame tube 1 has mixer 7 placed in internal cavity 5 downstream of flow behind flame 6 and joined with wall 10. Mixer 7 has conical shell and bottom. Holes 14 and slits 15 are made in conical shell bottom and in wall 10 within mixer length. Top 17 of cone of mixer 7 opposes flow 18; cavity of gas collector 2 is formed by external and internal circular walls. Conical shell generating line of mixer 7 may be rectilinear or shaped as circle arcs 23 and 24 whose convex side faces axis of flame tubes 1. EFFECT: reduced emission of nitrogen oxides and carbon. 2 dwg
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Authors
Dates
1998-03-10—Published
1995-11-01—Filed