Combustion apparatus

Details Combustion apparatus Combustion apparatus

1998-11-05

2000-05-30

Lazarus, Ira S.

Combustion

Fuel disperser installed in furnace

Spaced fuel dispersing orifices within furnace

431175, F23C 532

Patent

active

060684690

ABSTRACT:
An object of the present invention is to provide a combustion apparatus in which a space which does not contribute effectively to the combustion of fuel is less prone to be produced in a furnace because burners are not disposed at the corners of the furnace.
The furnace having a square horizontal cross section is provided with the burners so that an in-furnace injection direction axis line of the burner is tangent to an imaginary circle. The burner is disposed at one place on a front wall, rear wall, right side wall, and left side wall of the furnace each, at a total of four places. The burner on each wall is installed so that the intersection of the in-furnace injection direction axis line of the burner and the furnace wall surface is apart from a furnace corner (corner point) by a length L1. The value of the length L1 is 15% of a length L of one side of width of the inside wall of the furnace when the furnace is viewed from the top.

REFERENCES:
patent: 3174735 (1965-03-01), McFadden
patent: 4294178 (1981-10-01), Borio et al.
patent: 5146858 (1992-09-01), Tokuda et al.
Soviet Inventions Illustrated, Section P,Q, week 9252, London: Derwent Publications Ltd., Class Q73, AN 92-431506/52; & SU 1710938 A1 (SISE).
Beitz, W. et al., Tangential-feuerung. Dubbel Taschenbuch fur den Maschinenbau, 1981, pp. 572, Chapter 2.2.
European Search Report, EP 98308519.2 completed Apr. 2, 1999 by Bistrich, Vienna.

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