| 摘要 |
<p>Central heating boiler for gaseous, liquid or solid fuels which comprises : a plurality of vertical tubular elements linked by common water inlet and outlet manifolds, comprising a front element 3, access doors 11, 13 and 14 and adjacent elements, at least one transverse passage hydraulically joining the lateral parts and defining at its top part a passage for the steam from the combustion chamber which is delimited by the internal space of the elements and a rear element which comprises the water and steam inlets, the elements comprising at their lower part recesses 28 located opposite each other and forming the fixed hearths; as well as a non-cooled ash box; a tilting grate 27 oscillating between a top position (when using solid fuel) and a bottom position (when using liquid or gaseous fuel); and possibly a deflector shield 29. <IMAGE></p> |
