| 摘要 |
Boiler lid (100) is generally rectangular and is provided with a reversible spigot (120) through which biomass fuel is fed into the boiler. The spigot (120) is removably attached to the lid (100) in a first orientation whereby the spigot projects from an upper surface (103) of the lid and in combination with an orifice (132) in the lid is used to deliver fuel into the boiler. In a second orientation, the spigot (120) projects from underneath the lid (100), and in combination with a blanking plate (130), seals the orifice (132) in the lid. |
