| 摘要 |
A reversible spigot 120 removably attached to a lid 100 of a biomass boiler comprises in a first orientation (fig 1) the spigot projects from an upper surface 103 of the lid and in combination with an orifice 132 in the lid is used to communicate fuel into the boiler; and a second orientation (fig 2) the spigot projects from underneath the lid into the boiler and in combination with a blanking plate 130 seals the orifice in the lid. The spigot has a flange 122 with a series of holes 123 enabling the spigot to be connected to the lid by bolts. A gasket 125 is provided between the flange and lid. Advantages include that a separate new lid does not need to be attached. |
