Heating boiler with burner and blower - has blower ensuring high velocity combustion gas flow along helical path

摘要

The heating system boiler has a burner with associated blower. The pref. cylindrical chamber has a heat conducting wall and the heating gases flow within this cylinder along helical path. This arrangement ensures good heat transmission to the heating medium. The blower is designed for such a high working pressure that the flow over the major part of helical path has a min. velocity of 100 m/s pref. 13.5.m/s. The blower nominal output is ensured at a pressure of at least 1000 mm water.