System for extracting, cooling and recovering energy of heavy ash type suitable to be used in combination with a combustion chamber, and method for extracting and cooling heavy ash from a combustion chamber

摘要

System for extracting, cooling and recovering energy of heavy ash type suitable to be used in combination with a combustion chamber, and method for extracting and cooling heavy ash from a combustion chamber.The present invention relates to a system for extracting and cooling air / water and energy recovery for large flows of heavy ash, produced by solid fuel boilers (100), capable of reducing the final temperature of the ash extracted, without increasing the flow of air entr The throat of the boiler.When the flow of air required for the cooling process exceeds the maximum flow in the boiler, the system allows excess air, and the steam is sent to a smoke duct in the most appropriate point, thanks to a separation of the environment of cooling made p Her own gray.The separation of the environments of the cooling system is handled automatically based on a signal from the temperature of the ash in the exhaustion of the system. If the air cooling is not sufficient to cool the ash, the efficiency of the cooling can be increased by adding water is atomized.The flow of water added is dosed based on generally in the flow and temperature of the ash, so as to ensure the total evaporation of water injected, so as to obtain the exhaustion, if necessary, dry ash suitable to be ground and transported pneumatically to be mixed to ashes " Isa light.