10t EBT Type Electric Arc Furnace

1.1 Usage & Structural Features
▲ Usage: 10T steel making electric arc furnace can adopts basic lining or acid lining, can be used for smelting plain carbon steel, stainless steel and high-grade alloy steel.
▲ Features: EAF uses advance technology such as: roof swinging, top charging, spout tapping, full hydraulic driving, cooper steel composite plate, electrodes lifting proportional valve control, PLC computer control, etc.
1.2 Main Technical Parameters
SN Item Unit Data Remark
1 Furnace shell inner diameter mm Ф3700 
2 Rated capacity T 10 
3 Max. capacity T 15 
4 Transformer rated capacity kVA 8000 over load 20%
5 Primary voltage of transformer Kv 20KV 
6 Secondary voltage of transformer V  
7 Secondary current of transformer kA  
8 Frequency Hz 50 
9 Diameter of electrode mm φ350 
10 Diameter of pit circle mm φ750 
11 Max. strode of electrode lifting mm 2800 
12 Electrode lifting speed (up/down) m/min 6.0/4.5 Automatic
13 Tapping angle (steel / slag tapping)  20°/12° 
14 Height of roof lifting mm 400 
15 Max. angle of roof rotation  82° 
16 Water circulation flow rate m3/h 150 
17 Inlet water pressure of cooling water system MPa 0.3-0.5 Adjustable
18 Inlet water temperature ℃ ≤35 
19 Back water temperature ℃ ≤55 
20 Hydraulic working pressure MPa 12 
21 Hydraulic medium  46# Mineral oil
22 Compressed air pressure MPa 0.8 
1.3 Scope of supply
SN Item Qty Remark
1 Mechanical parts  
1.1 Φ3700mm Furnace body 1 set Upper/lower shell
1.2 Tilting mechanism  1 set 
1.3 Water cooled roof 1 set Tubular
1.4 Roof lifting & swing mechanism  1 set 
1.5 Electrode lifting & lowering mechanism 1 set 
1.6 Fixing plate frame for EBT 1 set 
1.7 Rotation frame locking device 1 set 
1.8 Electrode connection device  1 set 
1.9 Cooling water device 1 set 
1.10 Hydraulic power pack 1 set Proportional valve & pump make: Parker
2 Electrical parts 1 set 
2.1 Transformer 8MVA/20KV c/w oil/water cooler 1 set China make
2.3 H.V. 20kV switchboard 1 set GBC type panel
2.4 Short net & water cooled cables 1 set 
2.5  L.V. Control system 1 set GGD panel
2.5 PLC and HMI system 1 set Siemens S7-300
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 drawings and civil work requirements), embedded furnace foundation parts;
3) Water supply and gas supply main inlet are laid to Seller’s equipment connection point, H.V. incoming line is connected to seller’s H.V. switchboard and transformer terminals, L.V. supply lines are connect to seller’s L.V. power distribution panel.