POWER August 2017 - 51
COAL
5. Splish, splash, the plant was taking a bath. Washdown systems offer an active
dust control measure that not only improves safety, but also saves money by reducing labor
costs for cleaning. Courtesy: Acensium
Washdown systems can be as simple as the
convenient placement of hose systems up to
the design and installation of touchscreen
controlled, multizoned, hard-piped systems.
Fixed washdown systems should be applied
based on risk to the operation and are therefore
typically installed in tripper/cascade
rooms first (Figure 5). Unfortunately, most
plants do not have adequate drainage in these
areas to handle new fixed systems and these
systems must be designed and installed first.
The Complete Approach
What really enables a utility, or other manufacturer,
to make a concrete improvement in
the safety of their plants is employing all of
these systems together as part of a holistic,
sustainable solution. Particle movement at
every point throughout the plant should be
considered when developing a dust-mitigation
strategy to truly address causes, rather
than fixing symptoms and potentially creating
new deficiencies down the line.
The highest risk plant in Acensium's
recent dust-mitigation project has completely
rebuilt its coal-handling system in
order to dramatically reduce the explosive
dust risk. The utility's other facilities
are implementing upgrades according to
schedule. The initial 7-year capital plan
has been expanded due to the success of
the program to date. Administrative controls
recommended by Acensium enabled
safety improvements to be delivered in the
short-term, while long-term physical improvements
continue to be implemented.
Many more utilities are starting similar
evaluations to mitigate coal dust risk at their
plants. These lead innovators are experiencing
safety improvements that are now years
ahead of industry contemporaries. ■
-Jason Schwartz is principal at
Acensium.
KEEP BOILERS, FURNACES, AND COGENERATION
UNITS OPERATING AT MAXIMUM EFFICIENCY
Maximize process efficiency of large boilers, furnaces, and
cogeneration units by measuring and controlling air feed line
flow with FCI's multipoint flowmeters ST102A or the new MT100
Series. They have no moving parts to clog or foul and operate
to 454°C/850°F. Apply also to stack and flue gas emissions. With
reliable thermal mass flow sensors, they measure air/gas flow
directly unlike other meters that require additional sensors and
only infer the flow rate. Other features include: wide turndowns,
dual 4-20mA outputs with HART, Modbus, Foundation Fieldbus or
PROFIBUS available; large LCD touch display with graphics/text;
data logging; and calibration self-checks.
www.fluidcomponents.com
760-744-6950
August 2017 | POWER
www.powermag.com
51
http://www.fluidcomponents.com
http://www.powermag.com
POWER August 2017
Table of Contents for the Digital Edition of POWER August 2017
Contents
POWER August 2017 - Cover1
POWER August 2017 - Cover2
POWER August 2017 - Contents
POWER August 2017 - 2
POWER August 2017 - 3
POWER August 2017 - 4
POWER August 2017 - 5
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POWER August 2017 - Cover3
POWER August 2017 - Cover4
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