PRODUCTS

Graphite Electrodes

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.

 

Date
 

 
 
 

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
 
 

 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  

 Go to the top of the page

 

NOBORAN LTD
Miskolc, Hungary
info@noboran.com
Copyright © 2008-2011 NOBORAN Ltd. All rights reserved
Contact Us Website Feedback Privacy Policy Disclaimer Imprint