摘要 |
The improvements are characterised in that the injectors IN use for the injection an exclusive operation with cold air, in that the heat exchanger I consists essentially of an assembly of air tubes which pass inside a body C with steam and of the special arrangement of the electronic control apparatus, jointly with the pipes and mechanisms of the plant, which allows a cyclic emission of sufficiently warm air bubbles at separate positions of the cauldron C. <IMAGE>
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