RU2003105467A - COMBUSTION CHAMBER UNDER PRESSURE ABOVE THE ATMOSPHERIC FOR COMBUSTION OF A FUELING GAS AT LOW CONCENTRATIONS - Google Patents

Claims (12)

1. Installation for burning under atmospheric pressure, comprising a device (400) for burning under atmospheric pressure, including a chamber (412) for lean gas, a combustion chamber (430), a heat recovery section (440) and an outlet (450), supply (411) lean gas for supplying lean gas to the lean gas chamber (412), the heat removal / pressure equalization chamber (425) and the preheated air chamber (526) inside the combustion apparatus (400), the compressed air supply (421) ambient air for supplying compressed ambient air to the chamber (425) for heat supply / pressure equalization, supply (465) of preheated air for supplying preheated air to the chamber (526) for preheated air, a hole (517) for poor gas for supplying poor gas from the chamber (412) for poor gas into the chamber ( 430) of combustion, and a hole (527) for preheated air for supplying preheated air from the chamber (526) for preheated air to the combustion chamber (430), in which the chamber (425) for heat removal / pressure equalization is made the possibility of heat exchange from the chamber (412) for lean gas, the chamber (526) for preheated air, and the combustion chamber (430) to compressed ambient air in the chamber (425) for heat removal / pressure equalization, and the lean gas and preheated air are burned in chamber (430) combustion under pressure above atmospheric. 2. Installation according to claim 1, in which the chamber (526) for preheated air is built into the chamber (425) for heat removal / pressure equalization. 3. Installation according to claim 1, additionally containing an air pump (420) for compressing ambient air to a pressure of from about 0.1 to about 10.0 psig. 4. The installation according to claim 3, in which the surrounding air is compressed to a pressure of from about 0.1 to about 5.0 psig. 5. The apparatus of claim 1, further comprising a heater (460 or 675) for preheating the preheated air to a temperature of from about 200 to about 1000 ° F. 6. The installation according to claim 5, in which the preheated air is preheated to a temperature of from about 200 to about 100 ° F. 7. Installation according to claim 1, in which in the chamber (425) for heat removal / pressure equalization, the temperature of the compressed ambient air leaving the chamber (425) for heat removal / pressure equalization rises to a temperature of not more than about 500 ° F. 8. Installation according to claim 1, in which in the chamber (425) for heat removal / pressure equalization, the temperature of the compressed ambient air leaving the chamber (425) for heat removal / pressure equalization rises to a temperature of not more than about 300 ° F. 9. The apparatus of claim 1, further comprising a heat exchanger (460) in the heat recovery section of the combustion device for preheating the preheated air. 10. The apparatus according to claim 9, further comprising an outlet (455) for exiting compressed ambient air from the chamber (425) for heat removal / pressure equalization and a supply for supplying exhaust air to the heat exchanger (460). 11. Installation according to claim 1, additionally containing a source (675) of heat external to the combustion device (400) for preheating preheated air. 12. The apparatus according to claim 11, further comprising an outlet (674) for exiting compressed ambient air from the chamber (425) for heat removal / pressure equalization and supply for supplying the exhaust air to an external heat source (675).