Multifuel burner

US4566268A · kind A · utility

Assignee

• BBC Aktiengesellschaft, Brown, Boveri & Cie · CH

Inventors

• Hans Hoffeins · Viernheim, DE
• Richard Kalbfuss · Mannheim, DE
• Bora Ipek · Weinheim, DE

Key dates

• Filing date: May 10, 1984
• Grant date: Jan 28, 1986
• Expiry date: May 10, 2004

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F23D17/002
• WIPO field: Thermal processes and apparatus
• WIPO sector: Mechanical engineering

Abstract

Multifuel burner having outlet locations for a plurality of fuels respectively connected with associated fuel feeding spaces arranged at a head of the burner, at least one of the fuel feeding spaces being for fuel gas and encompassing a plurality of outlet nozzles arranged annularly in a nozzle head, includes tube conduits connecting the outlet nozzles for fuel gas to the respective fuel feeding space associated therewith; the tube conduits having means for compensating for expansion of the tube conduits; the outlet nozzles having discharge openings directed outwardly at an angle of 20.degree. to 80.degree. to a longitudinal axis of the multifuel burner; the nozzle head having the shape of a ring cylinder; the ring-cylindrical nozzle head having an outer edge formed with a chamfer, the discharge openings of the outlet nozzles being located on the chamfer with minimal mutual spacing; and the respective outlet location for fuel gas, with respect to at least one of the number and the outlet cross section of the appertaining outlet nozzles, being of such dimension for passage therethrough of a fuel gas flow required for attaining a nominal capacity of the burner.