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ASME code
A code written by ASME international that governs and controls the types of material, methods of construction, and procedures used in the installation of boilers.
Bent-Tube Boiler
A water tube boiler with more than one drum in which shaped tubes connect the drums
Boiler
A closed vessel used for heating water for generating steam by direct application of heat from combustion fuels or electricity
Boiler Horsepower (BHP)
The amount of energy equal to the evaporation of 34.5 lb of water/hr from and at a feedwater temperature of 212 degrees Fahrenheit
Cogeneration
- The process of generating electricity and then using the waste heat from the generating process for heating buildings, providing process heat, or for further electrical generation
- uses high-pressure steam to generate electricity, then uses the discharge steam for heating building or providing process steam or hot water.
- uses the waste heat in exhaust gases to perform useful work. Waste heat passes through heat exchangers to produce hot water or steam for use in plant heating or processes
- by using this method, it is possible for one plant to supply most or all of the required electricity, process steam, heated water, and air conditioning needed for a facility.
Compressive Stress
Stress that occurs when two forces of equal intensity act from opposite directions and push toward the center of an object
Critical Pressure
The pressure at which the density of water and steam are the same
Dry-Back Boiler
A firetube boiler with a refractory-lined rear door that directs the gases of combustion from the furnace to the second-pass tubes and then through succeeding passes if so designed
Dry-Top Boiler
A vertical firetube boiler in which the upper tube sheet is dry
Electric Boiler
A boiler that produces heat using electrical resistance coils or electrodes
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