| 摘要 |
A burner for burning granular biomasses in a boiler, comprising: a combustion chamber (4) placed in partial vacuum; a duct (7) for gravity- feeding combustible granules to the chamber; a duct (11) for feeding primary air to the combustion chamber (4) at the region for collecting the combustible granules proximate to the bottom, which is provided with means (12) for heating the incoming air; a rotating motorized sleeve (14) that is located proximate to the bottom of the chamber within the granule collecting region, and supplied with secondary air and is provided with nozzles (14b) adapted to introduce the air among the granules. |
