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  2. Chimney - Wikipedia

    en.wikipedia.org/wiki/Chimney

    A top damper or cap damper is a metal spring door placed at the top of the chimney with a long metal chain that allows one to open and close the damper from the fireplace. A throat damper is a metal plate at the base of the chimney, just above the firebox, that can be opened and closed by a lever, gear, or chain to seal off the fireplace from ...

  3. Damper (flow) - Wikipedia

    en.wikipedia.org/wiki/Damper_(flow)

    A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control - for example, in the case of ...

  4. Stack effect - Wikipedia

    en.wikipedia.org/wiki/Stack_effect

    The stack effect or chimney effect is the movement of air into and out of buildings through unsealed openings, chimneys, flue-gas stacks, or other purposefully designed openings or containers, resulting from air buoyancy. Buoyancy occurs due to a difference in indoor-to-outdoor air density resulting from temperature and moisture differences ...

  5. Smudge pot - Wikipedia

    en.wikipedia.org/wiki/Smudge_pot

    Usually a smudge pot has a large round base with a chimney coming out of the middle of the base. The smudge pot is placed between trees in an orchard. The burning oil creates heat, smoke, carbon dioxide, and water vapor. It was believed that this oil burning heater would help keep the orchard from cooling too much during the cold snaps.

  6. Fireplace - Wikipedia

    en.wikipedia.org/wiki/Fireplace

    Mantel—Either the shelf above a fireplace or the structure to support masonry above a fireplace [23] Smoke shelf—A shelf below the smoke chamber and behind the damper. It collects debris and water falling down the flue. [24] Throat (waist)—The narrow area above a fireplace usually where the damper is located. [21]

  7. Fire damper - Wikipedia

    en.wikipedia.org/wiki/Fire_damper

    Fire/smoke dampers are similar to fire dampers in fire resistance rating, and also prevent the spread of smoke inside the ducts. When a rise in temperature occurs, the fire damper closes, usually activated by a thermal element which melts at temperatures higher than ambient but low enough to indicate the presence of a fire, allowing springs to ...

  8. Flue - Wikipedia

    en.wikipedia.org/wiki/Flue

    A seven-flue chimney in a four-storey Georgian house in London, showing alternative methods of sweeping. A flue is a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors. Historically the term flue meant the chimney itself. [1]

  9. Glossary of boiler terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_boiler_terms

    Ashpans are often the location of the damper. They may also be shaped into hoppers, for easy cleaning during disposal. Blastpipe Part of the exhaust system that discharges exhaust steam from the cylinders into the smokebox beneath the chimney in order to increase the draught through the fire. Blow-down Periodic venting of water from the boiler.

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