01.
Introduction
02.
License
03.
Technical consulting
04.
Consulting services
05.
Economic services and Engineering
06.
Questionnaire
•
Survey for arc furnaces users
•
Survey for submerged arc-resistance furnaces users
1
2
3
4
5
Basic company details
*
Name of the company:
Land:
Company web site:
Contact person details
Name:
*
E-mail address:
Phone number:
Basic furnace data
Technical parameter
Unit
Numerical value/information
Furnace type
-
Open
-
Semiclosed
-
Closed
Capacity
MW
Power of furnace transformer
MVA
Kind of production
-
Si
FeSi
-
SiMn
FeMn
-
FeCr
SiCr
-
SiCa
CaC
2
-
Inne
Water cooling system
-
Closed
Open
Cooling water circulation
m
3
/h
Inlet/outlet water temperature
o
C
Inlet:
Outlet :
Off-gas Evacuation System
Technical parameter
Unit
Numerical value/information
Off-gas volume stream:
Nm
3
/h
Off-gas temperature range:
o
C
After furnace:
Before filter:
Dust concentration:
g
/Nm
3
Type of dedusting system:
-
Wet
Dry
Existing system for heat recovery:
-
YES
NO
Off-gas chemical composition:
% vol.
CO:
CO
2
:
N
2
:
O
2
:
SO
2
:
NO
x
:
H
2
:
Operation parameters
Technical parameter
Unit
Numerical value/information
Ferroalloy - daily production
mt/24h
Slag – daily production
mt/24h
Reduction agent consumption
mt/24h
Coal:
Char coal:
Coke:
Wood:
Other:
Furnace heat balance
Input
Electric energy
kWh/mt
Charge materials
kWh/mt
Chemical reactions
kWh/mt
Output
Ferroalloy
kWh/mt
Slag
kWh/mt
Cooling water
kWh/mt
Off-gas
kWh/mt
Miscellaneous
kWh/mt
143721
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