PRODUCTS
|
Furnace Questionnaire
By providing us your furnace details we are able to send you an accurate qoutation. Please, download our Furnace Questionnaire below, fill it out as fully as possible and send it to info@noboran.com.
| Electrodes |
| Electrode diameter |
|
mm, tolerance |
|
mm |
| Electrode length |
|
mm, tolerance |
|
mm |
| Quality |
|
/RP, HP, SHP, UHP/ |
| Impregnation |
|
/yes, no/ |
| Manufacturers, suppliers |
|
|
| |
| Nipples |
| Nipple diameter |
|
mm |
| Nipple length |
|
mm |
| Threads per inch |
|
/3, 4/ |
| Thread type |
|
/straight, taper/ |
| Pitch plug |
|
/yes, no/ |
| Groove |
|
/yes, no/ |
| Nipple preset |
|
/yes, no/ |
| Manufacturers, suppliers |
|
|
| |
| Furnace |
| Furnace type |
|
/EAF, LF/ |
| Current type |
|
/AC, DC/ |
| Shell type |
|
/single, twin/ |
| Shaft type |
|
/no, single, double, finger, …/ |
| Tapping system |
|
/EBT, EO-EBT, RBT, OBT, spout, …/ |
| Number of oxy-fuel burners |
|
|
| Total capacity of burners |
|
MW |
| Shell diameter |
|
mm |
| Pitch circle diameter |
|
mm |
| Nominal capacity |
|
tonne (metric) |
| Average charge |
|
tonne/heat |
| Water cooled shell |
|
/yes, no/ |
| Water cooled roof |
|
/yes, no/ |
| Electrode cooling |
|
/yes, no/ |
| Manufacturer, year |
|
|
| |
| Transformer |
| Capacity |
|
MVA + |
|
% overload |
| Secondary voltage from |
|
V (max) to |
|
V (min) |
| Rated current |
|
kA |
| Manufacturer |
|
|
| |
| Production |
| Type of steel produced |
|
|
| Yearly |
|
tonne/year |
| Production hours per year |
|
hr/year |
| |
| Scrap/raw material |
| Heavy melting scrap |
|
% |
| Shredded scrap |
|
% |
| DRI/HBI |
|
% |
| Iron carbide |
|
% |
| Pig iron |
|
% |
| Hot metal |
|
% |
| Others |
|
|
|
% |
| |
| Operating conditions |
| Maximum secondary current |
|
kA |
| Average secondary current |
|
kA (during melting) |
| Average secondary current |
|
kA (during refining) |
| Power input |
|
MW, power factor |
|
% |
| Power on time |
|
min. |
| Arcing time |
|
min. |
| Melting time |
|
min. |
| Refining time |
|
min. |
| Tap-to-tap time |
|
min. |
| Number of heats per day |
|
|
| Energy consumption |
|
kWh/tonne |
| |
| Utilities consumption (per liquid tonne of steel) |
| Burner fuel consumption |
|
Nm3/tonne |
| Oxygen consumption |
|
Nm3/tonne |
| Carbon addition |
|
kg/tonne |
| |
| Electrode performance |
| Electrode consumption |
|
kg/tonne |
| Cracks per month |
|
|
| Cracking |
|
/horizontal, vertical, at nipples/ |
| |
| Electrode joining & drive |
| Electrode joining process |
|
/on, off/ furnace |
| Joining device |
|
/ring, wrench, robot/ |
| Torque applied |
|
Nm |
| Electrode drive |
|
/winch, hydraulic, …/ |
| |
| Comments |
| |
| |
| Contact details |
| Title |
|
|
| First name |
|
|
| Surname |
|
|
| Position |
|
|
| Company |
|
|
| Address |
|
|
| City |
|
|
| County or state |
|
|
| Postal code |
|
|
| Country |
|
|
| E-mail |
|
|
| Website |
|
|
| Telephone |
|
|
| Fax |
|
|
|
