Page 9 - European Energy Innovation - Autumn 2016 publication
P. 9
Autumn 2016 European Energy Innovation 9
COMMUNICATION
were cleaned using this method in High Efficiency cooling with Whizz-Wheel® fan
March 2015. The process was managed
and supervised by Bronswerk.
The result was a very satisfied and
enthusiastic customer thanks to the
efficient maintenance solution and
ultimate result, as shown in photograph
no. 2. The lower costs and increased
effectiveness of the process added
up to efficiency in terms of minimal
downtime, greater reliability and
availability and maximum output of the
asset.
ONE STEP FURTHER customer in Gunzenhausen too, but in of 53%. Our customer in Gunzenhausen
After dry cleaning, the cooling capacity terms of energy consumption. realised energy savings of 50% thanks
returns to the desired level – that is, if to the retrofit with a maximum noise
you don’t take into account cross-winds RETROFIT pressure of 72 dB(A). Moreover, our
or wind in general. The maximum wind In all of these cases, the situation experience thus far has been that
speed at which an A-frame cooler is involves an existing plant, with existing bundles under which a Whizz-Wheel® is
tested and which it must withstand in coolers and usually limited plot space suspended are less sensitive to pollution
order to officially achieve the required and sometimes also limited capacity and also cost less to maintain.
capacity is 3m/s, which is almost no and cable diameters, all of which need
wind at all. Wind plays a major role to be taken into account to implement CONCLUSION
in an A-frame as the pressure drop the desired or required improvements. If you have capacity problems with your
over the bundle – and therefore the Despite the considerable challenges, cooling equipment, the logical first
air speeds – are relatively low. The solutions do exist for these situations of step is to check the condition of the
rendering industry often uses flat this kind. Using high efficiency cooling bundles. If there is dirt on the bundles
condensers in which the speeds are with the Whizz-Wheel® fan, the existing (and this is often the cause, even if
higher and the wind indeed has less plant can be retrofitted. The existing fan the dirt is not visible on the outside of
effect. But of course there is always and part of the housing are replaced the bundle), you can now safely and
some kind of effect. Moreover, many by these very efficient Whizz-Wheel® efficiently clean the bundles using our
coolers (whether A-frames or not) are fans and specially designed inlet and dry cleaning method. This will be a vast
situated in areas where, during the control systems. With a retrofit, we improvement in itself, but if you aim to
summer months, capacity problems leave the existing plant as it is, but keep increasing the cooling capacity
are caused by the high temperatures of the adjustment still brings about the and want even less dirt in the future, we
the ambient air. Or they must comply desired or required changes. In the would be more than happy to pay you
with the stricter European regulations examples given above, the retrofit had a visit to inform you about the retrofit
for noise and energy consumption the following results. At the Waste to options we can offer you. Even more
that will come into effect in Germany, Energy plant, production had been importantly, given the forthcoming
for example, in 2017. A number of our cut to 60% due to noise violations that regulations: if you are facing possible
customers are encountering these restricted the system’s cooling capacity. noise constraints and restrictions
problems or combinations of these After the retrofit, production returned in your energy consumption, we
problems. For example, a Waste to to 100% – and to top that, the company recommend that you check your
Energy in Germany had to reduce realised energy savings of 56%! At the cooling equipment and contact us. l
its production to 60% because of before mentioned refinery, where the
noise violations. And a refinery in plant had to close temporarily due to Contact details
Germany even had to close its plant noise restrictions, the company not only
because it was unable to comply with returned production to 100% but also For more information:
the permitted noise levels with the realised unprecedented energy savings femke@bronswerk.com
equipment it was using at that time!
These new regulations affected our
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