Burner for operating a heat generator

Details Burner for operating a heat generator Burner for operating a heat generator

1998-11-20

1999-09-21

Price, Carl D.

Combustion

Combustion products return structure

431350, 431353, F23D 1462

Patent

active

059544902

ABSTRACT:
A burner for operating a combustion chamber, which burner essentially comprises a swirl generator (100), a transition piece (200) arranged downstream of the swirl generator, and a mixing tube (20), transition piece (200) and mixing tube (20) forming the mixing section of the burner and being arranged upstream of a combustion space (30). At the end of the mixing tube (20) in its region leading out to a downstream combustion space (30), the mixing tube (20) has a first radius (R.sub.1) which runs convexly relative to the burner axis (60). This radius (R.sub.1) merges into a second radius (R.sub.2) which extends up to the outlet plane (70) of the mixing tube (20) and runs concavely relative to the burner axis (60), the covered sector (.beta..sub.1 +.beta..sub.2) of the two radii (R.sub.1, R.sub.2) being 90.degree. at most. With this configuration, enlargement and stabilization of the backflow zone (50) as well as axial orientation of the marginal flow are achieved.

REFERENCES:
patent: 2762428 (1956-09-01), Blaha
patent: 3083759 (1963-04-01), Williams
patent: 4416620 (1983-11-01), Morck

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