POWER January 2020 - 18

EXECUTIVE INSIGHT
SPONSORED CONTENT
The Chimney of the Future:
Cleaner and More Efficient
Our company is making its own, small contribution to this
process and I believe we have a few things we can be proud of.
Our " New Chimney Design " , a concrete chimney internally lined
with borosilicate glass blocks placed directly onto the windshield
is probably the lowest cost chimney a power station could build
with current technology. Yet, the design has proven highly reliable
when used with low temperature flue gases, allowing power stations
to minimise capital cost while also keeping maintenance cost to a
minimum.
A further, very promising development is the " WetReady Guide
Testing the WetReady Guide Vane
The most significant trend affecting the power industry in 2020
and in years to come is the growing role of renewables, As more and
more solar panels and windmills feed electricity into the grid, the
task of " classical " power plants firing coal, gas or oil changes very
strongly. When I started in the industry in 1990, fossil fired power
plants would be mostly base loaded, with a planned production of
8,000 hours per year. Now, many plants have to be entirely flexible,
always ready to increase or decrease production as a function of wind
and sunshine, or a lack thereof. This creates technical challenges for
all parts of these power plants, including for the chimneys to which
our company supplies the lining systems.
To make it " worse " , fossil fired power plants are under
continuous pressure to become both more efficient and more
environmentally friendly.
Vane " , a special type of guide vane almost in the shape of an airplane
wing. The WetReady Guide Vane can be placed in the base of an FGD
Wet Stack, where it will catch harmful droplets and dramatically
reduce pressure losses both at the same time. These Guide Vanes
will allow plants to operate with reduced power consumption and
minimal environmental impact.
Some other technical developments are much smaller, yet also
very meaningful. We are currently introducing a borosilicate lining
system applied in a non-conventional pattern, which we have found
will result in superior liquid draining capabilities at higher gas
velocities. This design change for our lining system will help coal
fired power plants to make their chimneys environmentally safer,
avoiding the dreaded " spitting " problem.
Looking at these and other developments, it is surprising how
improvements can be made to technologies that have, for many
years, been considered as mature and slightly boring.
Change is good!
Al bert de Kre ij
Learn more at: www.hadek.com
The new Hassyan Power Station in Dubai will use four NCD chimneys
18
www.powermag.com
POWER | January 2020

http://www.hadek.com http://www.powermag.com

POWER January 2020

Table of Contents for the Digital Edition of POWER January 2020

Contents
POWER January 2020 - Cover1
POWER January 2020 - Cover2
POWER January 2020 - Contents
POWER January 2020 - 2
POWER January 2020 - 3
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POWER January 2020 - Cover3
POWER January 2020 - Cover4
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