The Process and Application of Oxygen-Enriched Air Side Blown …
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Main Equipment
List of main equipment
No. Equipment title
Specifications
Qty.
1
Oxygen-enriched air side blown
oxidation furnace
9 m 2
1 pc
2
Oxygen-enriched air side blown
reduction furnace
7 m 2
1 pc
3
Fuming furnace
6 m 2
1 pc
4
Centrifugal blower
Q = 390 m 3 /min, P = 120 kPa
2 pcs
5
Oxygen station
Q = 5000 m 3 /h, deep cooling method 1 set
6
Drum mixing granulator
ϕ1.5 × 6 m
1 pc
Main Techno-economic Indicators
Summary of main techno-economic indicators
Item
Unit
Design indicators Production
indicators
Oxidation stage Hearth area
m 2
9
9
Throughput
t/d
395
550–600
Pb content in the
raw material
%
26.74
22–40
Primary lead
quantity
t/d
42.9
15–20
Primary lead rate
%
35
~10
Oxygen
consumption
m 3 /t charge 263.93
100
Oxygen
concentration
%
70
~90
Coal rate
%
16.34
1.05
Dust rate
%
30.37
18–20
Desulfurization
rate
%
96.84
99.5
Specific capacity
of the furnace
t/m 2 d
43.89
61.11–66.66
Slag output
t/a
220
380–420
(continued)