Two Stage Heavy Oil Burner

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Product Code : 03

Brand Name : Riello

Product Description

Two Stage Heavy Oil Burner

Owing to our vast experience, we have been successful in catering to the needs of our clients by offering Two Stage Heavy Oil Burner. These products are highly appreciated by various industries for their efficient combustion and low fuel usage. A team of highly trained professionals manufactures these burners from premium quality components. These products are used in civil installations and in small and medium industrial plants. We examine the Two Stage Heavy Oil Burner before its delivery to offer our clients with flawless products.

Technical Data

Model			PRESS 30 N	PRESS 45 N	PRESS 60 N	PRESS 100 N
Burner operation mode			Two stage
Modulation ratio at max. output			2 : 1
Servomotor	run time	type	LKS 210
		s	5
Heat output		kW	85/171-342	114/205-513	171/342-684	171/342-684
		Mcal/h	73/147-294	98/176-441	147/294-588	245/421-980
		kg/h	7,5/15-30	10/18-45	15/30-60	25/43-100
Working temperature		^oC min./max.	0/40
Fuel / Air Data
NCV Heavy Oil		kWh/kg	11,4
		kcal/kg	9800
Viscosity at 50Ã‚°C		mm²/s (cSt)	50 (150 with heavy oil kit)		50 (500 with heavy oil kit)
Pump	Delivery	type	D67	E4		E6
		kg/h	65 (20 bar)	110 (20 bar)		200 (20 bar)
Atomised pressure		bar	20
Fuel temperature		max.^oC	140
Fuel pre-heater			YES
Fan		type	Centrifugal with forward blades
Air temperature		max. ^oC	60
Electrical Data
Electrical supply		Ph/Hz/V	1/50/230~(±10%)	3N/50/400~(+10%)		3/50/230~(+10%)
Auxiliary electrical supply		Ph/Hz/V	1/50/230~(±10%)
Control box		type	RMO
Total electrical power		kW	3,5	3,7	5,5	9,0
Auxiliary electrical power		kW	0,33	0,45	0,5	0,5
Heaters electrical power		kW	2,8	2,8	4,2	7
Protection level		IP	40
Pump motor electrical power		kW
Rated pump motor current		A
Pump motor start up current		A
Pump motor protection level		IP
Fan motor electrical power		kW	0,37	0,45	0,75	1,5
Rated fan motor current		A	2,9	1,9-1,1	2,9-1,7	6-3,5
Fan motor start current		A	9,5	9,5-5,5	14-8	28-16
Fan motor protection level		IP	54
Ignition transformer		type	--
		V1 - V2	230 V - 2x6,5 kV
		I1 - I2	2 A - 35 mA
Operation			Intermittent (at least one stop every 24 h)
Approval Emissions
Sound pressure		dB (A)	75	78	81	83
Sound power		W	--
CO emission		mg/kWh	< 50
Grade of smoke indicator		N Bacharach	< 5
CxHy emission		mg/kWh	--
NOx emission level		mg/kWh	< 650
Directive			73/23 - 89/336 - 98/37- 92/42 EEC
Conforming to			EN 267
Certification			--

Reference conditions:

Ambient temperature: 20^oC
Barometric pressure: 1013.5 mbar
Altitude: 100 meters a.s.l.
Noise measured at a distance of 1 meter.

Product Specification
Burner:
Monoblock forced draught heavy oil burner with two stage operation, fully automatic, made up of:

Air suction circuit lined with sound-proofing material
Fan with forward curve blades, high performance pressure levels
Air damper for air setting controlled by a servomotor
Starting motor at 2800 rpm, three-phase 400V with neutral, 50Hz (single-phase, 230V and 50Hz for the 30 N model)
Combustion head, that can be set on the basis of required output, fitted with:

stainless steel end cone, resistant to corrosion and high temperatures
ignition electrodes
flame stability disk

Gears pump for high pressure fuel supply, fitted with:

filter
pressure regulator
connections for installing a pressure gauge and vacuometer

Oil pre-heater equipped with a filter with sheath for thermometer, a setting thermostat and two safety thermostats
Valve unit with an check valve and two delivery oil valves
Oil delivery gauge
Photocell for flame detection
Microprocessor-based flame control panel, with diagnostic functions
Slide bars for easier installation and maintenance
Protection filter against radio interference
IP 44 electric protection level.