35m annular furnace for pipe billet heating (CISDI)

Technical performance |
|||
No. |
NAME |
UNIT |
DATE |
1 |
Furnace Name |
|
Annular Furnace |
2 |
Application |
|
Billet pre heating |
3 |
Blank Length |
mm |
1309~4500 |
4 |
Diameter |
mm |
200 |
5 |
Temperature |
℃ |
1250~1280 |
6 |
Furnace Output(Max) |
t/h |
150 |
7 |
Size |
m |
Ф35×5.288 |
|
Center Diameter |
mm |
35000 |
|
Furnace inner width |
mm |
5288 |
|
Bottom surface elevation |
mm |
+6500(tentative) |
8 |
Angle between charging line and discharge line |
° |
12 |
9 |
Material angle |
° |
1.18 |
10 |
Fuel |
|
天然气 |
11 |
Calorific value of gas |
kJ/Nm3 |
~8000×4.18 |
12 |
Design unit burnup |
kJ/kg |
1380(330×4.18) |
13 |
scale loss |
|
≤0.8% |
14 |
Gas consumption(Max) |
Nm3/h |
~6950 |
15 |
Air consumption(Max) |
Nm3/h |
~69770 |
16 |
Air preheating temperature |
℃ |
~550 |
17 |
Burner type and configuration |
|
Flat flame burner |
18 |
Preheater type |
|
Tubular preheater with insert |