Underport firing allows a high degree of flame coverage of the melt using multiple burners mounted beneath the port sill, so providing easy access for adjustment and maintenance.
Underport firing with the GT burner gives both high thermal efficiency and high melt rates with a variety of liquid fuels and gas. Using the burner block sealing system, with integral low pressure air cooling, and with careful selection of burner system and furnace design, low levels of NOx are achievable.
The GT oil and gas burner are fully interchangeable on the same mounting bracket. The burner support bracket ensures accurate and repeatable burner location, simple adjustment, quick removal of burner, all of which are essential for an efficient underport burner system.
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