In this type of heater a steam used to heat the air flow. The heater consists of set of heating banks. Each bank contains has multiple of U-tubes with extended surface fins for passing a steam.



Related Terms

ABMA

American Boiler Manufacturers Association.

SECTIONAL BOILER

A boiler consisting of hollow cast iron sections bolted together.

SETTING

The brickwork surrounding the furnace in some older boiler designs. In modern boilers the setting includes the water walls, insulation, refractory and outer cladding that encloses the furnace.

UNIT HEATER

A heater with electric resistance, steam, or hot water heating elements to heat the air. Natural or forced draft units are designed for wall mounting.

WATER TUBE BOILER

Boiler that has water in the tubes with heat and combustion gases around the tubes.

FITTINGS

Devices fitted directly to a boiler or other piece of equipment that are used for safe and efficient operation.

WATER SPACE

The parts of the boiler that contain the water from which steam is generated.

AQUASTAT

A hot water boiler fitting that controls the starting and stopping of the burner by sensing the temperature of the water.

HOT WELL

A tank used to receive condensate from various sources on its passage back to a boiler through the feedwater system. It usually is vented to atmosphere.

CHIEF ENGINEER

The senior engineer officer responsible for the satisfactory working and upkeep of the main and auxiliary machinery and boiler plant on board ship.

Related questions

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