Aalborg KBE
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Aalborg KBE Rotary cup burner for heavy fuel oil or diesel oil The Aalborg KBE rotary cup burner is an optimized, standardized design of Alfa Laval's wellproven Aalborg KB burner. With the electronic air/fuel ratio control, an extremely precise combustion control is achieved. The Aalborg KBE burner is compact and low weight, and the control system user-friendly and safe. Capacity range: 0.3 – 0.97 MWe 150–1,300 kg/h Description The Aalborg KBE rotary cup burner is an optimized version of the Aalborg KB burner based on well-proven technology. It meets the requirements of stable operation and easy maintenance. Born with an electronic air/fuel ratio control, a very exact control of the Aalborg KBE burner is possible, and its ignition point enables the most dependable ignition. The KBE burner comes with an improved control panel design, a logical positioning of connection points, and is simple to operate. The Aalborg KBE burner also has a 5-15% lower power consumption than the Aalborg KB (relative to burner size). The low weight Aalborg KBE burner can be bolted or welded onto the boiler and is designed to sustain shipment well due to its sleek design. The working principle of rotary cup burners is based on atomizing by centrifugal force. The atomizing cup is driven at high speed via a heavy-duty belt drive. The oil is gently positioned at low pressure into the spinning cup where gradually, and forced by the centrifugal action of the cup, it moves forward until it is thrown off the cup rim as a very fine, uniform film. The high-velocity primary air discharged around the cup strikes the oil film, breaks it up and converts it into a mist of fine particles, which are introduced into the combustion zone and burner. The secondary air necessary for complete combustion is supplied by a forced-draught fan through the windbox and burner air register. A safety device built into the Aalborg KBE prevents wrong adjustment of tertiary air that may cause damage to the swirler and cup. Normally, atomizing takes place at a viscosity of approx. 45 cSt., which ensures a particle size small enough to burn quickly and completely. Heavy fuel oil fired rotary cup burner The Aalborg KBE burner is a typical rotary cup burner with combustion air according to the forced draught fan location principle. For Aalborg KBE 150-750 the fan is mounted on the burner. On Aalborg KBE 1000-1300 the fan is delivered as a loose item. Primary air is supplied from the integrated primary air fan for burner types Aalborg KBE 150–1300.

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Ignition burner Atomising air damper behind cover Combustion air inlet Gauge board Combustion air and primary air damper Oil flow meter Burner motor Oil shut off valves Oil flow control valve Oil pressure control valve Fuel oil return Standard product range Burner Type Guideline Capacity Capacity boiler Min. - max. Min. - max. output kg/h MW kg/h Capacity and dimensions Burner motor max. power 50 / 60 Hz kW General burner data Heavy fuel oil data Max. viscosity at 50°C 700 cSt Max. viscosity at burner inlet 45 cSt Calorific value 40.2 MJ/kg Diesel oil data (for ignition burner) Viscosity...

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