Ferroli
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NOx burner
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- Designed to operate in combination with jet burnerson liquid (including high density) or gas fuel.
- Standard design pressure 10 bars.
- Operating temperature up to 300°C for mineral oilsand 350°C for synthetic oils, with a temperaturedifference between oil inlet and outlet of around 40°C.
- Upon request boilers can be developed with differenttemperature values and differences from thoseindicated above.
- Construction with two concentric rings inside in acylindrical sheet metal body that’s tight to the flue gas. The first “ring” represents the furnace that the flame extends along; the second “ring” is the start of a three flue pass circuit that optimises use of the entire heat exchange surface, making it advantageous to use low NOx burners.
- Tube bundle made from carbon steel without welding. Access to the furnace is available through a burnerdoor hinged to the boiler that can be opened from the right or the left; the door is lined on the inside with a suitably thick layer of refractory concrete and features a flame inspection opening and burner anchor plate.
- The rear smokebox is bolted to the boiler, and linedon the inside with insulating concrete, and is fitted withcleanout door and attachment for the flue connection.
- The boiler body is lined by a suitable layer of high density rock wool, protected by stainless steel plate (AISI 430); this reduces heat loss and improves overall efficiency.