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50T Steelmaking Electric Arc Furnace

50T steelmaking electric arc furnace is mainly used for smelting carbon steel, high-quality carbon steel, alloy steel, stainless steel, etc.;

Smelting Cycle: 160min;

Average Tapping Volume: 55t (steel remaining volume 6-9t);

Steelmaking furnace adopts furnace cover to remove top charging.

Описание

50T steelmaking electric arc furnace: The electric arc furnace body is in the shape of a teapot, which is a steelmaking reaction vessel.

The furnace body consists of a furnace body and a furnace cover (furnace top).

The outer shell of the furnace body is made of steel plate, and the inside is the furnace lining.

The furnace wall is built with magnesia brick (MgO) or chrome magnesia brick (Cr2O3, MgO).

The bottom of the furnace is in the shape of a basin, and there is a layer of magnesia burning (playing) on the clay bricks and magnesia bricks.

The acid furnace lining is built with quartz brick (SiO2) and quartz sand.

In addition to the basic requirements of strength, high temperature resistance and heat insulation, the furnace lining refractory material is also required to withstand chemical erosion of slag, thermal shock of repeated rapid changes in furnace temperature, and collision between furnace blocks and operating machinery.

Features:

Use:

This steelmaking electric arc furnace adopts alkaline lining, and can melt carbon steel, high-quality carbon steel, alloy steel, stainless steel and other varieties.

Structural Features:

50t steelmaking electric arc furnace, the structure adopts the furnace cover to remove the top charging, (EBT) or tapping nozzle, and the right or left operation is selected by the user.

Electrode lifting, furnace body tilting, furnace cover lifting and rotation are all hydraulic.

The control adopts PLC intelligent regulator control.

1. The use environment of electric arc furnace equipment

▲The altitude does not exceed 2000m;

▲Ambient temperature: within the range of 0~40°C;

▲The daily maximum and the monthly average of the humidity in the wettest month in the area of use is less than 90%;

▲There is no conductive dust, explosive gas and corrosive gas that can seriously lose metal and insulation around;

▲ Obvious vibration and bumps.

2. Smelting Cycle

Smelting Cycle
~160min ( Tapping~Tapping )
Power-on Time
~140min (20℃~1600℃)
Oxygen Blowing Volume  40m³/t Molten Steel
Auxiliary Time
20 min
Feeding (Secondary)
8 min
Tapping
3 min
Repair & Tap Packing
3 min
Other Auxiliary Time
6 min

Parameters

Main Parameters of 50T Steelmarking Electric Arc Furnace Equipment

Nominal Capacity
50t
Average Tapping
55t (6-9t steel retention)
Maximum Tapping
60t
Inner Diameter of Furnace Shell
5200mm
Operation Form
Left Operation or Right Operation
Transformer Rated Capacity
28MVA
Transformer Primary Voltage
35KV
Frequency
50Hz
Transformer Secondary Voltage
436-380-184V
436-380V
380-184V
Voltage Regulation
Class 19    Electric On-load Voltage Regulation
Transformer Secondary Rated Current
42.543KA
Transformer Cooling Form
Strong Oil Circulating Water Cooling
Three-phase Impedance Unbalance Factor
≤5%
Graphite Electrode Diameter
500mm (High Power Graphite Electrodes)
Electrode Distribution Circle Diameter
1150±50mm
Conductive Cross Arm
Copper-steel Composite Conductive Cross Arm, Large-section Water-cooled Cable
Electrode Rising Speed
6m/min(Automatic)  9m/min(Manual)
Electrode Descending Speed
4m/min(Automatic)  6m/min(Manual)
Electrode Lift Maximum Stroke
3800mm
Tilt Angle
Eccentric Bottom Tapping 20°, normal 12~15
Maximum Angle of Slag Discharge is 15°
Tapping Method
Eccentric Bottom
Furnace Cover Lift Height
500mm
Furnace Cover Rotation Angle
~70°
Slag Door Dimensions (W X H)
1100 X 900mm
Ladle
50t ~ 70t
Hydraulic System Working Pressure
12MPa
Hydraulic Medium
Water—Ethylene Glycol
Electrode Lift Control Method
Electro-hydraulic Proportional Valve (Import)
System Filtration Precision
<10μ (Level 4)
Cooling Water Outlet Temperature
≤55℃
Cooling Water Inlet Temperature
≤35℃
Cooling Water Consumption
~850m³/h

 

The scope of supply of complete sets of equipment is matched according to your actual requirements.

 

Electric Arc Furnace Application Range

HANI Metallurgy is an experienced Chinese manufacturer of electric arc furnaces.

Committed to providing high quality EAF and its auxiliary equipment/spare parts.

Available Range:

1 ton, 6 tons, 15 tons, 40 tons, 70 tons, 100 tons, 120 tons, 200 tons, 250 tons, 300 tons, 420 tons,

And various high-power / ultra-high-power electric arc furnaces according to customer requirements.

Smelting Range:

The electric arc furnace can not only smelt high-quality steel with low phosphorus, sulfur and oxygen content, but also can be alloyed with a variety of elements (including easily oxidized elements such as lead, boron, vanadium, titanium, and rare earths) to produce various high-quality steels and alloy steels.

Such as ball bearing steel, stainless acid-resistant steel, tool steel, electrical steel, heat-resistant steel, magnetic materials and special alloys.

 

Service:

For the melting of alloy steel, stainless steel, carbon structural steel and high-quality carbon steel, HANI Metallurgy can provide “turnkey” service of production line design, workshop layout, equipment manufacturing, installation and commissioning according to customer requirements.

It can also design, manufacture, transform and upgrade its existing smelting production equipment according to user requirements.

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