Control of air flow to blowpipes in forced-air oil or gas burner - using pressure sensors in exhaust and sondes for gas content coupled to computer controlling variable speed fan

摘要

The air flow to blow pipes is controlled. In the exhaust gas path, there is a pressure and/or flow sensor to establish the pressure ratios and also a sonde for oxygen, carbon monoxide and carbon dioxide content. The measured properties are compared to theoretical values in a computer and the variable speed drive of the air intake fan is adjusted accordingly. ADVANTAGE - Flexible burner with optimal combustion maintained.