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Dual Block Burners

Dual Block Burners
Dual Block Burners
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Product Code : 14
Product Description

Driven with perfection, we are engaged in supplying premium quality Dual Block Burners. Manufactured using superior quality components and materials, these products are very durable and offer excellent combustion system. Our vendors make use of advanced machines to manufacture these products. Featured with high performance, these burners are widely demanded by various industries for preheated air in oil dia-thermic generators and heat recovery systems. To cater to the demands of our clients, we offer these Dual Block Burners in various specifications. We are able to deliver these products within a specific time-frame at reasonable prices.

Other details:

The industrial burners ER series are designed particularly for water tube boilers used in big civil installations and industrial processes with a remarkable thermal demand. These series allows to realize a modular and flexible combustion system adding a preparation fuel unit (regulation pressure group set, preheating/pumping oil station), a gas train, a control panel and a fan. It can also be used a preheated air as in the oil dia-thermic generators and other heat recovery systems. The modulating regulation always allows to reach a wide modulation ratio and optimal fluid dynamics conditions for a good combustion.

Technical Data

MODEL

ER 4

ER 6

ER 9

ER 12

ER 16

ER 20

Burner operation mode

Modulating



Modulation ratio at max. output

Natural gas

1 : 6

LPG

1 : 5

Light oil

1 : 4

Heavy oil

1 : 3

Servomotor

run time

type

MM 10004 - MM 10005

s

30








Heat output


Natural gas

kW

540/
2500-4000

840/
4000-6000

1250/
6000-9000

1750/
9000-12000

2350/
12000-16000

3000/
16000-20000

Mcal/h

464/
2150-3440

722/
3440-5160

1075/
5160-7740

1505/
7740-10320

2021/
10320-13760

2580/
13760-17200


LPG

kW

650/
2500-4000

1000/
4000-6000

1500/
6000-9000

2100/
9000-12000

2800/
12000-16000

3600/
16000-20000

Mcal/h

559/
2150-3440

860/
3440-5160

1290/
5160-7740

1806/
7740-10320

2408/
10320-13760

3096/
13760-17200


Light oil

kW

820/
2500-4000

1250/
4000-6000

1870/
6000-9000

2600/
9000-12000

3500/
12000-16000

4500/
16000-20000

Mcal/h

705/
2150-3440

1075/
3440-5160

1608/
5160-7740

2236/
7740-10320

3010/
10320-13760

3870/
13760-17200


Heavy oil

kW

1100/
2500-4000

1700/
4000-6000

2500/
6000-9000

3500/
9000-12000

4700/
12000-16000

6000/
16000-20000

Mcal/h

946/
2150-3440

1462/
3440-5160

2150/
5160-7740

3010/
7740-10320

4042/
10320-13760

5160/
13760-17200

Working temperature

°C min./max.

-15/60

FUEL/AIR DATE


Light
oil

Net calorific value

kWh/kg

11,86

Kcal/kg

10200

Viscosity

mm2/s (cSt)

4 - 6 (at 20°C)

Delivery

kg/h

69/
211-337

69/
211-337

158/
506-759

219/
759-1012

295/
1012-1349

379/
1349-1686

Fuel temperature

max. °C

50



Heavy
oil

Net calorific value

kWh/kg

11,1-11,3

Kcal/kg

9545-9720

Viscosity

mm2/s (cSt)

500 (at 50°C)

Delivery

kg/h

98/
223-357

152/
357-536

223/
536-803

312/
803-1071

420/
1071-1428

536/
1428-1786

Fuel temperature

max. °C

140

Atomised pressure

bar



G20


Net calorific value

kWh/Nm3

10

Density

kg/Nm3

0,71

Gas delivery

Nm3/h

54/
250-400

84/
400-600

125/
600-900

175/
900-1200

235/
1200-1600

300/
1600-2000


G25

Net calorific value

kWh/Nm3

8,6

Density

kg/Nm3

0,78

Gas delivery

Nm3/h

63/
291-465

98/
465-698

145/
698-1047

203/
1047-1395

273/
1395-1860

349/
1860-2326


LPG

Net calorific value

kWh/Nm3

25,8

Density

kg/Nm3

2,02

Gas delivery

Nm3/h

25/
97-155

39/
155-233

58/
233-349

81/
349-465

109/
465-620

140/
620-775

Fan

type

centrifugal with reverse curve blades

Air temperature

max °C

150

ELECTRICAL DATA

Electrical supply

Ph / Hz / V

1/50-60/230 - (1/50-60/110 on request)

Control box

type

--

Auxiliary electrical supply

kW

1/50-60/230 - (1/50-60/110 on request)

Total current

A

--

Protection level

IP

54

Ignition
transformer

type

ignition pilot burner

V1 - V2

230 V - 1x8 kV

I1 - I2

1,4 A - 30 mA

Operation

Intermittent (at least one stop every 24 h) - Continuos (at least one stop every 72 h)

APPROVAL EMISSIONS

Sound pressure

dB(A)

--

Sound power

W

--


Light
Oil

CO emission

mg/kWh

< 110

Grade of smoke indicator

N° Bacharach

< 1

NOx emission

mg/kWh

< 185

Heavy
Oil

CO emission

mg/kWh

Depending on the fuel amount

Grade of smoke indicator

N° Bacharach

Depending on the fuel amount

NOx emission

mg/kWh

Depending on the fuel amount

G20

CO emission

mg/kWh

< 100

NOx emission

mg/kWh

< 120

Directive

89/336 - 73/23 - 98/37 - 90/396 EEC

Conforming to

EN 267 - EN 676

Certification

--

Reference conditions: Temperature: 20oC - Pressure: 1000 mbar - Altitude: 100 m a.s.l. - Noise measured at a distance of 1 meter.

PRODUCT SPECIFICATION

OIL BURNER
Combustion head:
Forced draught oil burner with modulating operation and separate supplies, fully automatic, made up of:

  • sheet-steel airlock painted with a front cover for access to the internal elements
  • air dampers for air setting controlled by two Independent high precision servomotors
  • combustion head fitted with:
    • stainless steel end cone, resistant to corrosion and high temperatures
    • pilot burner with gas train and ignition electrodes
    • flame stability disk made up of axial swirlers
  • flame shape regulation device
  • photocell for flame detection
  • minimum air pressure switch
  • nozzle pipe
  • safety nozzle valve
  • valves group with safety oil valves
  • automatic regulator of oil delivery controlled by a high precision servomotor
  • maximum oil pressure switch on the return circuit
  • pressure gauge on the delivery circuit
  • pressure gauge on the return circuit
  • electrical box with ignition transformer
  • IP 54 electric protection level.
Conforming to
  • 89/336/EEC directive (electromagnetic compatibility)
  • 73/23/EEC directive (low voltage)
  • 98/37/EEC directive (machinery)
  • EN 267 (liquid fuel burners).

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