| 摘要 |
<p>An economizer boiler (1) for generating hot water and/or vapour comprising a heat exchange container (2), suitable to contain inside water to be heated, and and heating means (3), at least partially contained into the heat exchange container (2) in order to define an inner dear-air space (4), suitable to be electrically connected with an electricity source and generate the hot water and/or the vapour. The boiler (1) also includes an auxiliary tank (5) at least partly filled with water (A) and at least partly surrounding the heat exchange container (2) in order to recover the energy dissipated by the heating means (3) and heat the water (A).</p> |
