50Ton EBT Type Electric Arc Furnace

1. Main technical parameters
SN Description Unit Data
1 Rated capacity t 20t
2 Max. tapping per heat t 25t
3 Diameter of shell mm Φ4,000
4 Electrode pitch circle diameter mm Φ800
5 Electrode diameter mm Φ400
6 Electrode travel stroke mm 2,800
7 Electrode lifting speed(up/down) m/min 6/4
8 Max. tilting angle (steel tapping / slagging)  20° / 12°
9 Max. roof swivel angle  80°
10 Roof lifting stroke mm 400
11 Transformer capacity kVA 12,500
12 Transformer primary voltage kV 20
13 Transformer secondary voltage V 350-290-170
14 Cooling water circulating flow rate t/h 300
15 Furnace door size mm 800×640
 
2. Scope of Supply
SN Item Qty Remark
1 Furnace body (Upper shell, lower shell) 1 
2 Tilting platform mechanism 1 
3 Water cooled roof 1 
4 Roof lifting & swivel mechanism 1 
5 Conductive arms 1 
6 Electrode lifting mechanism 1 
7 Cooling water distributor 1 
8 Electrode connection device 1 
9 Hydraulic power pack 1 Proportional valve and pump make: Parker
10 Short net & water cooled cables 1 
11 L.V. Control system (GGD panel) 1 
12 PLC control system & HMI 1 Siemens S7-300
13 Furnace transformer & hydro-oil cooler 1 China make
14 H.V. switchboard (GBC type panel) 1 Schneider china VCB
Supplied by the Buyer:
1) Installation and installation material, furnace refractory lining, hydraulic medium, lubrication medium and cleaning medium, graphite electrodes;
2) Civil works and design (Seller provides furnace foundation condition drawings and civil work requirements), embedded furnace foundation parts;
3) Water supply and gas supply main inlet are laid to furnace connection point, H.V. incoming line is connected to supplied H.V. switchboard and Transformer terminals, L.V. supply lines are connect to furnace power distribution panel.