16500KVA Submerged Arc Furnace

Furnace shell diameter (mm) Φ8400
Furnace shell height (mm) 4500
Furnace hearth diameter (mm) Φ6800
Furnace hearth depth (mm) 2600
Electrode diameter (mm) φ1200
Electrode distribution circle diameter (mm) 2900±50
Electrode stroke (mm) 1200/ 2000
Electrode lifting speed (m/min) 0.5
Number of tapholes (pieces) 2/120º
Copper wattage per electrode (piece/root) 6
Cooling water consumption 250t/h

Transformer model HKSSP-16500/110
Transformer power (kVA) 16500+20%
Primary voltage (kv) 110
Secondary voltage (V) 115~154~193 (115v~154v constant current
154v~193v constant power)
Secondary rated voltage (V) 154
Secondary rated current (kA) 61.9
Short-circuit impedance 154V〈6% Coil internal impedance ≤5%
Wiring method △/△-12 six windings
Voltage regulation method Electric non-excitation voltage regulation
Cooling method OFWF forced oil circulation water cooling, YS1-200×2 water cooler
Side outlet terminal 36 (Φ65×10T2 copper tube) length 200mm

Conductive copper tube current density 3～4.5/mm2
Contact current density of copper tile and electrode 1.9～2.5A/cm2
Current density of water-cooled cable 3～4.5A/mm2
Short network imbalance 〈 10%
Allowable current density of electrode 6.1A/cm2

Lifting cylinder diameter (mm) 200
Piston working stroke (mm) 1200
Inspection stroke (mm) 2000
Lifting speed (m/min) 0.5
Working pressure (Mpa) 8~12
Number of copper watts (pieces) 6
Brake mode Airbag double brake
Pressure release cylinder stroke (mm) 100
Working pressure (Mpa) 7
Copper watt holding method Piston pressure ring
Cylinder diameter (mm) 125
Cylinder stroke (mm) 50
Working pressure (Mpa) 2.5~5

Smoke hood height (mm) 2000
Smoke hood diameter (mm) 8200
Chimney diameter (mm) 1600
Number of chimneys (pieces) 2

Gear pump working pressure (Mpa) 16
Hydraulic medium Anti-wear hydraulic oil N46

Water volume: m3/h. Unit 250
Pressure Mpa ≥0.3
Cooling water quality PH 6~8
Total hardness <10mg/L (Cao)
Suspended solids <10mg/L
Inlet water temperature <32℃

1.1 Furnace body

Furnace shell (including I-beam) 1 set
Furnace lining 1 set

1.2 Smoke exhaust system

Smoke hood 1 set
Chimney 2 sets

1.3 Grippers

Hanging cylinder steel platform 1 set
Grip tube 3 sets
Protective large set (all non-magnetic stainless steel) 3 sets
Pressure ring 3
Guide wheel, upper and lower support of oil cylinder, suspension, conductive copper tube, fixed seat, airbag support 3 sets
Polar center sealing adjustment device (all non-magnetic stainless steel) 3 sets

1.4 Furnace bus bar

Compensation water cooling cable SL1600 mm 36
Water cooling cable SL1600mm 36
Copper tube Φ65×10T2 1 set
Forged copper tile 18 sets
Copper busbar 1 set

1.5 Hydraulic system 1 set
1.6 Pneumatic system 1 set
1.7 Furnace front cooling water system 1 set
1.8 Batching and feeding system 1 set
1.9 Step material and unloading system 1 set
1.20 Iron tapping system 1 set
1.21 Insulation parts 1 set
1.22 Standard parts 1 set

2. Electrical equipment

2.1 Furnace body low voltage electrical system 1 set
2.2 High voltage electrical system 1 set
2.3 Loading and batching control system 1 set
2.4 Electric furnace transformer 1 set