System for the measurement and control of the heat input to a gas burner

US4303982A · kind A · utility

Assignee

• The Babcock & Wilcox Company · US

Inventors

• Azmi Kaya · Akron, US
• Marion A. Keyes, IV · Chesterfield, US
• Michael P. Lukas · Eastlake, US

Key dates

• Filing date: Aug 9, 1979
• Grant date: Dec 1, 1981
• Expiry date: Aug 9, 1999

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F23N2225/04
• WIPO field: Control
• WIPO sector: Instruments

Abstract

A system for the measurement and control of the rate of BTU input to a gas burner wherein a signal is generated corresponding to the square root of the product of the burner inlet pressure multiplied by the in-situ density olf the gas, which, multiplied by a signal of constant value, corresponds to the mass flow of gas to the burner. This signal is then multiplied by a second signal of constant value to generate a signal corresponding to the rate of BTU input to the burner and which is compared with a set point signal to regulate the mass flow of gas to the burner as required to maintain the rate of BTU input to the burner at set point.