Flue gas stacks

A flue gas stack is like a big chimney that comes out of buildings that have things inside them that make smoke or gases that are dangerous if they just stay inside. We put the smoke and gases up the chimney to make the air cleaner and safer to breathe.

When things like coal, oil, or gas are burned inside the building, they create smoke and gases. This smoke and gas are called flue gas. The flue gas goes up into the flue gas stack through pipes. The flue gas stack is usually tall so that the smoke and gases can spread out and mix with the air high in the sky.

The flue gas stack is usually made from durable materials, like steel or concrete so that it can stay strong, even when it's very windy or bad weather outside. The stack also has some mechanisms that help to control the temperature of flue gas, like insulation or fans.

Flue gas stacks are important in keeping our environment and air clean and safe. They work just like a big vacuum cleaner that sucks smoke and pollutants out of the building and sends them up in the sky.