Patent ID: 9017067
Filing Date: 2015-04-28
Classification: F23C,F23D,F23L,Y02E

Abstract:
1. A premix burner arrangement comprising: a first conduit arranged and disposed to provide a first gas stream, the first gas stream being a self-reactive or self-flammable premixture comprising air and a combustible gas; and at least one second conduit arranged and disposed to provide a second gas stream circumferentially around the first gas stream, the second gas stream including oxygen; wherein the premix burner arrangement is configured to combust or react the first stream at a temperature at least 1000° F. greater than the temperature of the second stream, the premix burner arrangement further being configured to provide a velocity ratio of the second gas stream to the first gas stream sufficiently low to inhibit mixing of the first gas stream with the second gas stream.