deutschland en Press Trade press 2017 Ultra-low-NOx PLN-version gas burners (up to 2500 kW)

Ultra-low-NOx PLN-version gas burners (up to 2500 kW)

The new PLN-version burners stand ready for use in situations where the very lowest of emission levels are being demanded. PLN stands for Premix Low NOx – a system that combines premixing with surface-stabilised combustion.

Trade press

Mar 14, 2017

Ultra-low-NOx PLN-version gas burners (up to 2500 kW)

The new PLN-version burners stand ready for use in situations where the very lowest of emission levels are being demanded. PLN stands for Premix Low NOx – a system that combines premixing with surface-stabilised combustion.

 
A significant advantage of this type of combustion system is that it can be used on appliances with particularly small combustion chambers, as well as with more typical boilers.
 
Stabilised surface combustion relies on an homogeneous gas / air mixture. For that reason, a completely new mixing assembly was developed for the PLN-version burners. A key feature is the separated gas and air feeds, with the two media not being brought together before the burner tube.
 
The gas / air mix, which is under pressure, permeates the microweave alloy mat and combusts at its surface. The flame carpet thereby created has flame temperatures below 1200 °C and so the formation of thermal NOx is inhibited. NOx emission levels below 30 mg/kWh are now also a reality for medium-capacity burners.
 
Weishaupt’s PLN-version premix burners also have similar turndowns to their forced-draught stablemates. The electronic compound regulation provided by the W-FM 50, W-FM 100 and W-FM 200 combustion managers can achieve turndown ratios of 7:1 with these burners.

Weishaupt PLN-version monarch® gas burner (up to 2500 kW).
Weishaupt PLN-version monarch® gas burner (up to 2500 kW).
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Weishaupt PLN-version burners can also be used in very small combustion chambers.
Weishaupt PLN-version burners can also be used in very small combustion chambers.
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