LU / DF BURNER
LU / DF BURNER FEATURES
■ Simple robust construction having fixed geometry
■ Suitable for automatic and remote control
■ Wide turndown with good atomisation
■ High combustion performance with low excess air
■ High temperature components capable of withstanding high furnace back-radiation
■ Suitable for automatic and remote control
■ Wide turndown with good atomisation
■ High combustion performance with low excess air
■ High temperature components capable of withstanding high furnace back-radiation
■ Burns all grades of liquid fuel, including crude oil, heaviest residual oil as well as a wide range of gases
■ Able to burn oil and gas as individual fuels or in combination
■ Able to burn oil and gas as individual fuels or in combination
■ Low atomising steam consumption and constant steam pressure over turndown range
■ Fixed burner guns obviate need for retraction with sprayer safety shut-off block or flexible hose
■ Able to clean oil or gas nozzles whilst firing on alternative fuel
■ Suitable for vertical, horizontal or angled application
■ Individual combustion air isolation
■ Suitable for common windbox or individual windbox
■ Fixed burner guns obviate need for retraction with sprayer safety shut-off block or flexible hose
■ Able to clean oil or gas nozzles whilst firing on alternative fuel
■ Suitable for vertical, horizontal or angled application
■ Individual combustion air isolation
■ Suitable for common windbox or individual windbox
PRINCIPLE OF DF BURNER
SPECIFICATION
| DESCRIPTION | UNIT | 5T/H | 8T/H | 10T/H | 15T/H | 20T/H | 25T/H | 30T/H | 35T/H | 40T/H | 50T/H | |
| BURNER MODEL | LU 270 |
LU 325 |
DF 385 |
DF 455 |
DF 505 |
DF 570 |
DF 615 |
DF 670 |
DF 715 |
DF 775 | ||
| Burner type | OIL only : STEAM(AIR)JET TYPE GAS only : GAS MANIFOLD & MULTI SPUDS or CENTER GUN, GAS/OIL dual : STEAM(AIR)JET & MULTI SPUDS | |||||||||||
| Kind of Fuel | B-C OIL, DIESEL OIL, LNG, LPG, H2 GAS | |||||||||||
| BURNER CAPACITY | OIL MCR | Kg/HR | 375 | 600 | 750 | 1125 | 1500 | 1875 | 2250 | 2625 | 3000 | 3750 |
| GAS MCR | Nm3/HR | 385 | 615 | 770 | 1125 | 1540 | 1925 | 2350 | 2690 | 3080 | 3850 | |
| OIL PRESS. AT BURNER INLET | Kg/cm2 | MAX. 10-12 | ||||||||||
| GAS PRESS. AT BURNER INLET(MCR) | Kg/cm2 | MIN. 0.2 (GAS TRAIN INLET : 0.4~0.9k) | ||||||||||
| ATOM. STEAM PRESS | Kg/cm2 | 5.5 or 8.3 (CONSTANT PRESS. TYPE) | ||||||||||
| ATOM. STEAM CONSUMPTION | Kg/HR | 4-6% / FUEL OIL | ||||||||||
| FUEL OIL TEMP. AT BURNER INLET | 130 oC / 15cst (B-C OIL FIRING) | |||||||||||
| BURNER DRAFTLOSS AT MCR | mmAq | 100 | 110 | 130 | 145 | 160 | 160 | 170 | 180 | 150 | 176 | |
| EXCESS AIR RATIO AT MCR | % | 10 | ||||||||||
| TURN DOWN RATIO | 5:1 | |||||||||||
| FLAME SIZE | LENGTH | mm | 2700 | 3400 | 2400 | 2900 | 3300 | 3800 | 4200 | 4310 | 4800 | 5600 |
| DIA | mm | 850 | 980 | 800 | 900 | 1000 | 1200 | 1400 | 1450 | 1600 | 1900 | |
| B-C OIL ELEC.HEATER | KW | 4 | 6 | 7 | 10 | 14 | 17 | 20 | 24 | 26 | 34 | |
| PUMP.MOTOR | KW | 0.75 | 1.5 | 1.5 | 2.25 | 3.75 | 3.75 | 3.75 | 3.75 | 5.5 | 5.5 | |
| PILOT BURNER SPECIFICATION 1. TYPE 2. IGNTION FUEL 3. GAS PRESS 4. PILOT BURNER CAPACITY 5. ACCESSORIES |
ELECTRIC IGNITION/GAS IGNITOR or DIESEL OIL(OPTION) LPG or CITY GAS 1.3~0.8Kg/cm2 2.5NM3/HR HIGH VOLTAGE CABLE & IGNITION TRANSFORMER | |||||||||||
* Combustion air temperature : ambient ~ 300 ℃
* Air / fuel control system : Semi-auto / Mechanical (option)
* Fuel : oil, gas, oil/gas dual, residual oil, H2 gas, a wide range of gases
* Emission guarantee (O2 4% base)
- LNG firing : NOx < 100 ppm, CO < 50 ppm
- B-C oil firing : NOx < 250 ppm, Dust < 100 mg/Sm3
- Emission guarantee depends on the boiler conditions and fuel analyses
* Burner model can be changed according to the combustion air temperature
