| 摘要 |
The invention relates to a device that includes means for conveying or producing hot gases and a condensing heat exchanger including: an bundle of helical tubes serving as primary exchanger, mounted within a gas-impermeable housing and equipped with a gas discharge trunk, means for circulating a primary fluid in the primary exchanger, two deflector plates and a deflecting ring arranged so as to circulate the hot gasses through the coils of the primary exchanger. Said device is characterized in that it includes a second tube bundle serving as a secondary exchanger, means for circulating therein a secondary fluid separate from the primary fluid and in that the second deflector plate is inserted between the primary exchanger and the secondary exchanger. The invention can be used in the production of heating water and of hot water for sanitation. |
