American Boiler Manufacturers Association.



Related Terms

FEEDWATER REGULATOR

A device for admitting feedwater to a boiler automatically on demand. Practically a constant water level should result.

PLATEN

1.A flat plate against which something rests or is pressed. 2. The rubber-covered roller of a typewriter against which paper is pressed when struck by the typebars. 2. A flat surface for exchanging heat in a boiler or heat exchanger which may have extended heat transfer surfaces.

LOWEST SAFE WATERLINE

The lowest water level in a boiler drum at which the burner may safely operate.

FURNACE PREPURGING

Furnace explosions caused by oil vapour and air present in furnace in explosive proportions. To a lesser extent a blowback is a furnace explosion. Prevention is by purging with air. Usually adequate purging is provided within the combustion control however makers timings should be strictly followed . N.B. This is particularly important with membrane wall boilers where the pressure wave is contained within a strong cell which if ruptured, has disastrous consequences.

TUBULAR AIR HEATER

The type of heater which consists of set of tubes for air flow. Tube are passing through flue gas flow and extended into tube plates The horizontal tube type air heater less susceptible to choking with soot than the vertical types sometimes found with older scotch boilers. To aid cleaning water washing was sometimes carried out to aid the sootblowers.

RISER TUBE

A tube through which steam and water pass from an upper waterwall header to a drum.

IMO

International Maritime Organization London based United Nations intergovernmental body

RCC

Rescue Co-ordination Centre a unit responsible for promoting the efficient organization of SAR services and for co-ordinating the conduct of SAR operations within a SAR region

NORMAL CARRYOVER

Refers to the carryover which occurs in any boiler operating under the best conditions.

BLOWOFF VALVES

Valves in boiler piping which facilitate removal of solid matter present in the boiler water.

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