Assembly of a combustion chamber nose in a continuous-flow boile

Details Assembly of a combustion chamber nose in a continuous-flow boile Assembly of a combustion chamber nose in a continuous-flow boile

1976-12-13

1978-02-28

Sprague, Kenneth W.

Liquid heaters and vaporizers

Water tube

Wall structure

122235K, 122406S, F22B 2704, F22B 2906

Patent

active

040759792

ABSTRACT:
A continuous-flow boiler has a two-section construction with gas-tightly welded walls and having a structure forming a combustion-chamber nose disposed beneath a horizontal section connecting both sections of the two-section boiler and including combustion chamber walls formed of a helical winding made up of wound parallel tubes which terminate in transition headers located externally to the combustion chamber walls at a point of transition of the tubes into vertical-tube walls extending upwardly from the helical winding, the combustion-chamber nose having a forward edge and an upper nose incline extending for a given distance along the top of the helical winding toward a front wall of the combustion chamber walls, two of the transition headers being disposed respectively adjacent lateral walls of the combustion chamber and extending from the front wall and terminating at the forward edge of the combustion-chamber nose, the tubes of the helical winding, in the region of the nose, being bent upwardly unwelded, auxiliary headers being disposed in step-wise offset relationship to one another below the nose incline, and the upwardly bent tubes of the helical winding being connected to the auxiliary headers, the lateral walls of the combustion chamber above the nose incline being formed of tubes extending upwardly from the auxiliary headers.

REFERENCES:
patent: 3289645 (1966-12-01), Evans
patent: 3298360 (1967-01-01), Michel
patent: 3359948 (1967-12-01), Knizig
patent: 3396707 (1968-08-01), Bagley et al.
patent: 3400689 (1968-09-01), Bagley et al.

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