The used electric arc furnace for sale (EAF-20t/12500KVA) uses electric energy as heat energy and uses the high temperature of the arc generated between the electrode and the charge to heat and melt the charge.
Second-hand electric arc furnaces are used for smelting ordinary steel, high-quality carbon steel, various alloy steels, and stainless steel production. They are widely used and are key equipment in steel mills and foundries.
Used Electric Arc Furnace for Sale Technical Characteristics:
Water-cooled furnace wall, water-cooled furnace cover; eccentric bottom tapping; conductive composite cross arm; advanced intelligent electrode lift regulator, energy saving and consumption reduction; industrial configuration screen monitoring system.
1. Can flexibly grasp the temperature: in the smelting process, by controlling the current and voltage, the smelting temperature can be flexibly grasped, so as to hide the need for smelting the unreachable steel.
2. The used electric arc furnace for sale has simple equipment, a short technological process, and high thermal efficiency.
3. The atmosphere in the furnace can be controlled.
4. A large amount of phosphorus, sulfur, oxygen and other impurities of steel can be removed in the process of alkaline electric arc furnace steelmaking, improving the quality of steel, the recovery rate of the alloy is high and stable, the chemical composition of steel is relatively easy to control, and the smelting process many types of steel.
HX type EBT steelmaking arc with LF ladle refining furnace is used for remelting and smelting scrap steel, and is used for the smelting of high-quality carbon steel, low-alloy steel, alloy structural steel, and various special alloy steels. EBT electric arc furnace is an electric arc steelmaking furnace in the form of rotary charging of the furnace cover, eccentric bottom tapping, and a one-piece elevated installation structure.
The refining furnaces of used electric arc furnaces for sale are equipped with: conductive cross arms, tubular water-cooled furnace walls, and water-cooled furnace covers, as well as steel-making equipment with advanced technologies such as electrode electro-hydraulic proportional control and computer monitoring.
The used electric arc furnace for sales equipment above is equipped with high and low-voltage power distribution systems, operating systems, hydraulic systems, complete equipment, and easy and simple operation.
Used EAF-20t/12500KVA) for sale Main Technical Parameters
1. Main Technical Parameters:
| Transformer rated capacity | Unit | Parameter | Remark |
| Nominal capacity | t | 20 | |
| Average tapping | t | 25 | |
| Tapping to tapping time | min | 90 | Oxygen blowing |
| Operation form | right or left operation | up to the user | |
| Furnace shell diameter | mm | Φ4200 | |
| Transformer rated capacity | KVA | 12500 | |
| Transformer primary side voltage | KV | 6.3 | |
| Transformer secondary side voltage | V | 314-116 | Level 13 |
| Frequency | HZ | 50 | |
| Voltage regulation | On-load electric voltage regulation | ||
| Transformer secondary side rated current | KA | 22.98 | |
| Secondary terminal outgoing method | Inner seal △ side outlet | ||
| Transformer cooling form | Strong oil circulating water cooling | ||
| The impedance value of the short network | mΩ | ≤2.68 | |
| Three-phase impedance balance factor | ％ | ≤7 | |
| Graphite electrode diameter | mm | Φ400 | High Power Graphite Electrodes |
| Conductive cross arm | Copper-steel composite panel | ||
| Electrode chuck | Copper | ||
| Electrode distribution circle diameter | mm | Φ1100 | |
| Electrode rising speed | m/min | 6 | |
| Electrode descending speed | m/min | 4 | |
| Electrode lift maximum stroke | mm | 2800 | |
| Tapping method | Tapping slot | ||
| Tilt angle | degree | Tapping 45, tapping 15 | |
| Tipping speed | °/S | Tapping 1, Slag 1 | Quick back 3 |
| Furnace cover lift height | mm | 400 | |
| Furnace cover rotation angle | degree | ～82º | |
| Furnace cover lifting and rotation method | Hydraulic drive | ||
| Hydraulic system | |||
| System working pressure | MPa | 12 | |
| Hydraulic medium | water-glycol | ||
| System filter precision | ц | < 15 | 6-stage filtration |
| Electrode lift control method | Electro-hydraulic proportional valve | ||
| Cooling water system | |||
| Inlet pressure | MPa | Open loop 0.3 | |
| Inlet water temperature | ℃ | ≤ 35 | |
| return water temperature | ℃ | ≤ 55 | |
| Cooling water flow | M3/h | 350 | |
| Accident water | |||
| Pressure | Mpa | 0.3 | |
| Time | Hour | 1 | |
| Water volume | 200 |
Main economic consumption indicators of equipment：
| Serial number | Name | Unit | Parameter | Remark |
| 1 | Power consumption | KW.h/t | 610 | |
| 2 | Oxygen consumption | Nm³/t | 30-40 | |
| 3 | Electrode consumption | kg/t | 5-6 | |
| 4 | Cooling water consumption | m３/h | ～350 | |
| 5 | Equipment installed capacity | Kw | ～240 |