New flow meters improving boiler air preheater efficiency

AMS Instrumentation and Calibration has introduced a new range of multipoint
thermal mass flow meters from FCI designed to improve the efficiency of boiler
air preheater (APH) systems.

Industrial boilers are widely used in electric power generation systems
to provide the steam that drives large electricity generating turbines. All
large industrial boilers are fired by carbon fuel sources such as natural gas,
waste gases (co-gen) or coal, which are expensive and result in waste gases
that must be treated to prevent air pollution and minimise global warming.

Air preheater (APH) systems recover the lost heat from a boiler’s stack
gas in order to enhance the boiler’s efficiency. The heated air from stack
gases optimises the boiler’s combustion rate or thermal efficiency, which in
turn lowers fuel consumption. These systems also depend on precise air flow
measurement provided by flow meters operating under very high temperature
conditions in dirty, hazardous environments.

Key features and benefits of FCI’s MT100 and ST102A multipoint air/gas
flow meters include state-of-the-art electronics with application-proven
precision air flow sensors; rugged industrial package designed for demanding
hazardous plant and building operating environments; precision,
temperature-compensated direct mass flow measurement of air for highly
reliable, repeatable control with low maintenance requirements; and independently
tested and verified compliance with IEC safety directives for EMC and LVD, and
carrying the CE marking.

The new multipoint thermal mass flow meters are optionally available for
processes with hazardous, potentially explosive gases and/or dust, and can be
ordered with FM/FMc, ATEX or IECEx and other HazEx agency approvals for
Division II/Zone 2, or Division 1/Zone 1.

For further information, please visit the AMS Instrumentation and
Calibration website site at
or call 03-9017 8225, or Freecall (NZ) 0800 442 743.

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