Patent ID: 8403662
Filing Date: 2013-03-26
Classification: F23C,F23D,F23L,F23N,Y02E

Abstract:
1. A reactor employing high-temperature air combustion technology, including a combustion chamber and a plurality of fuel gas combustion apparatuses disposed at a predetermined interval, the plurality of fuel gas combustion apparatuses each comprising: a burner assembly for continuously injecting fuel gas into the combustion chamber, and a combustion air supply apparatus of alternating heat exchange type, the combustion air supply apparatus having two vent openings and including a regenerating means having air permeability, the combustion air supply apparatus using one of the two vent openings as a combustion exhaust gas discharge port to discharge combustion exhaust gas out of the combustion chamber via the regenerating means and using the other vent opening as a high-temperature air supply port to supply combustion air, which has been elevated to a high temperature with sensible heat of the regenerating means, to the combustion chamber, the two vent openings alternately switching to work as the combustion exhaust gas discharge port or the high-temperature air supply port, the burner assembly having an injection port for pre-combusting high-caloric fuel gas and a plurality of injection ports for low-caloric fuel gas that are disposed apart from each other in an area surrounding the injection port for pre-combusting high-caloric fuel gas, wherein high-caloric fuel gas and pre-combustion air are mixed to form high-temperature pre-combusting high-caloric fuel gas in which the high-caloric fuel gas is partially combusting, the pre-combusting high-caloric fuel gas is continuously injected into the combustion chamber through the injection port for pre-combusting high-caloric fuel gas, and the low-caloric fuel gas is continuously injected into the combustion chamber through the plurality of injection ports for low-caloric fuel gas; the low-caloric fuel gas is pre-heated with heat of the pre-combusting high-caloric fuel gas before the low-caloric fuel gas reaches a mixing starting space in the combustion chamber where the pre-combusting high-caloric fuel gas and the combustion air begin to mix with each other, and then the pre-combusting high-caloric fuel gas and the low-caloric fuel gas come to combust together in a full scale in the mixing starting space; the combustion air supply apparatus of alternating heat exchange type supplies the combustion air and discharges the combustion exhaust gas at a flow velocity of 80 to 200 m/sec; and when an air amount of the combustion air supplied through the high-temperature air supply ports of the plurality of fuel gas combustion apparatuses is defined as Q