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US 12,372,233 B2Granted
Regulation method of a premix gas burner and control and regulation device for carrying out the method
OwnerFlavio Chiavetti, Giacomo Silvestriinventors
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Abstract
A regulation method of a premixed gas burner substantially and/or essentially fed by hydrogen H2 as well as a device to carry out such method is described.
Claims11
Regulation method of a premixed gas burner fed with hydrogen H2 that provides the steps of:
- a) starting a fan at a predetermined speed Vp to create an aeriform flow Fa;
- b) adding a fuel gas flow Fg, mainly and/or essentially composed of hydrogen H2, to said aeriform flow Fa so as to obtain an air and fuel gas mixture Mag with an excess air factor λ≥2.5;
- c) igniting said air and fuel gas mixture Mag,
- d) maintaining the combustion of said air and fuel gas mixture Mag for a stabilisation time ts≥5 seconds,
- e) progressively reducing the excess air factor λ up to a value λtarget of 1.3<λ<2.5.
2 more elements
Dependencies are inferred from the claim text.