| 摘要 |
This system reduces the fuel consumption, hence a reduction in pollution, inany central heating or similar installation operating with gas, coal or fueloil, by retrieving and reusing the calories lost at the evacuation of thecombustion gases. Around the combustion gas evacuation nozzle, a copper tubeof selected diameter is wound, already filled and purged by means of aconverted valve which is added to it. The end of the copper tube fitted withthe valve is connected to the installation return pipe, near the base of theboiler, and the other end is connected to the outlet, at the point of thepositive pressure provided; therefore, the water circulating in this coilcomes directly from the boiler, and is heated a second time with the sameenergy, but at two different points, in a few seconds. It is easy to modifyboth the nozzle and the coil, in order to increase the output further, andthus reduce pollution accordingly, as well as in terms of combustion residue,since the system makes it possible to increase the water temperature, whilemaking savings.
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