Device for supplying air to a boiler combustion chamber normally operating on natural gas during its operation on oil

摘要

A feeding device of a boiler furnace (1) normally natural gas with fans (6, 7) for sending air to the burners (2, 3, 4, 5) for temporary operation with fuel aid consists of fuel oil. It comprises a booster fan (19) sending an additional air flow to the burners during operation of the oil, and the discharge circuit of the fumes (14, 15) has no recycling celles- this. The burners are preferably reclining.