|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||431/10 ; 431/182 ; 431/187 ; 431/9|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 23 인용 특허 : 0|
The present invention provides an air-oxy-fuel method and apparatus in which fuel is burned in first and second stages of combustion having a fuel-rich and fuel-lean stoichiometry, respectively, to reduce NOx, emissions. The fuel is burned in the first stage of combustion in oxygen. The combustion of the fuel is completed in the second stage of combustion in the presence of air. Mixing of fuel and oxygen is effected by forming fuel and oxygen jets in close proximity to one another. Air is then swirled around the fuel and oxygen jets at a swirl ratio of n...
A method of burning fuel comprising: introducing fuel and oxygen into a first state of combustion such that the fuel and the oxygen burn at a fuel-rich stoichiometry to produce unburned fuel and combustion products; and introducing the unburned fuel from the first stage of combustion and an oxidant more massive than said oxygen into a second stage of combustion such that combustion of the fuel is completed at fuel-lean stoichiometry; the fuel and the oxygen being introduced into the first stage of combustion by forming convergent jets of the fuel and the...