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2. Cooling tower - Wikipedia

   en.wikipedia.org/wiki/Cooling_tower

   Flue-gas stack inside a natural draft wet cooling tower Flue gas stack connection into a natural draft wet cooling tower At some modern power stations equipped with flue gas purification , such as the Großkrotzenburg Power Station and the Rostock Power Station , the cooling tower is also used as a flue-gas stack (industrial chimney), thus ...

3. Air preheater - Wikipedia

   en.wikipedia.org/wiki/Air_preheater

   The purpose of the air preheater is to recover the heat from the boiler flue gas which increases the thermal efficiency of the boiler by reducing the useful heat lost in the flue gas. As a consequence, the flue gases are also conveyed to the flue gas stack (or chimney) at a lower temperature, allowing simplified design of the conveyance system ...

4. Forced-air gas - Wikipedia

   en.wikipedia.org/wiki/Forced-air_gas

   A small leak of combustion gases into the heated air can be dangerous to the occupants of the heated space, because of possible carbon monoxide build up. [2] A condensing forced-air furnace; flue pipes are plastic, not metal, because of the low waste-gas temperature. Plastic outlet for a condensing natural gas hot air furnace.

5. Stack effect - Wikipedia

   en.wikipedia.org/wiki/Stack_effect

   For flue gas stacks or chimneys, where air is on the outside and combustion flue gases are on the inside, the equation will only provide an approximation. Also, A is the cross-sectional flow area and h is the height of the flue gas stack or chimney.

6. Flue gas - Wikipedia

   en.wikipedia.org/wiki/Flue_gas

   Flue gas from London's Bankside Power Station, 1975. Flue gas is the gas exiting to the atmosphere via a flue, which is a pipe or channel for conveying exhaust gases, as from a fireplace, oven, furnace, boiler or steam generator. It often refers to the exhaust gas of combustion at power plants. Technology is available to remove pollutants from ...

7. Draft (boiler) - Wikipedia

   en.wikipedia.org/wiki/Draft_(boiler)

   Forced draft: When air or flue gases are maintained above atmospheric pressure. Normally it is done with the help of a forced draft fan. [2] Induced draft: When air or flue gases flow under the effect of a gradually decreasing pressure below atmospheric pressure. In this case, the system is said to operate under induced draft.