12 Ton Ladle Refining Furnace

No.

Item

Unit

Data

Remark

1

Ladle

Rated Capacity

t

12

Diameter of a Molten Pool

mm

φ 1460

12t Molten Steel

Height of Free Space

mm

450

12t Molten Steel

2

Ladle Car

Walking Speed

m/min

2-20

Driving Mode

Mechanical

Frequency Control

3

Electrode Lifting Unit

Electrode Diameter

mm

Φ 250

High Power Graphite Electrode

Electrode Pitch Circle Diameter

mm

Φ 460

Maximum Stroke of the Electrode Movements

mm

1700

Automatic Lifting Speed

m/min

4/3

Manual Lifting Speed

m/min

5/4

Heating Rate of Molten Steel

°C /min

≥ 3.5

4

Furnace Lid

Lifting Stroke

mm

300

5

Hydraulic System

Working Temperature

MP a

12

Working Medium

Water, Ethylene Glycol

6

Short Web Structure

Impedance

m Ω

≤ 2..5

Unbalance Factor in a 3-phase System

%

≤ 5

7

Argon Gas

Working Pressure

MPa

0.2 ~ 0.8

0.8Mpa (High Pressure)

Consumption

NL/min

20 ~ 100

Adjustable

8

Cooling Water System

Working Temperature

Mpa

0.3

Water Inflow Temperature

°C

≤ 35

Water Return Temperature

°C

≤ 55

Cooling Water Consumption

m3/h

70

9

Transformer

Rated Capacity

kVA

2500

Overcapacity of 20% is permitted Per Hour 

Primary Voltage

kV

35

Secondary Voltage

V

180-120

5 Grade(No-load Power-driven)

Secondary Current

A

8020

Cooling Method

OFWF

11

Power Supply System

High-voltage Power Supply

kV

35

Low-voltage Power Supply

V

AC380

AC220

DC24

Installed Capacity of Low-voltage Equipment

kW

~80