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Electric furnace
LF furnace, LF Type Ladle Refining Furnace






LF- type ladle refining furnace is mainly used for refining of primary liquid steel
From electric arc furnace or from converter。According to certain technological need,
Ladle refining furnace could perform arc heating, alloying by addition of alloy materials, de-
Gassing、desulphurization,、de-inclusions and composition homogenization, etc operations。Bearing steel, alloy structural steel, tool steel, spring steel, plain carbon steel can be produced by ladle refining furnace。Because of LF homogenization control function on temperature
And alloy composition and so the ladle refining furnace has become critical equipment and
Buffer between steelmaking and continuous casting

Technical features :
Water cooled roof;Copper-clad conductive arms;Advanced intellectual electrode regulator,
Reduced cost and energy saving, PLC Industrial screen monitoring system。

Structural features :
Ladle transfer car、two heating position, swinging electrode installation、mono- and three-arms structure。

Latest technologies applied:
Tubular water cooled roof、VVVF technology of speed control for ladle car、hydraulic lifting of electrode system(mono- and three-arm),optimization configuration of high current conductors,、automatic control system of argon blowing、automatic intellectual electrode regulator、automatic alloy material charging 。

Specifications of ladle refining furnaces

Type

LF-20

LF-30

LF-40

LF-60

LF-100

LF-120

Rated capacity of ladle, ton

20--25

30--35

35--45

60--75

100--110

110--150

Diameter of ladle, mm

2200

2700

2960

3100

3400

3660

Rated capacity of TFR, KVA

3200

5500

6300

10000

20000

22000

Diameter of electrode, mm

250

300

350

350

450

450

PCD of electrodes, mm

460

620

650

650

750

750

Heating-up rate of liq. Steel ℃ / min

≥4

≥4.5

Shaanxi Kaiyuan Electric Furnace Co.,Ltd. | Metallurgical Electric Furnace | Electroslag Furnace | LF Furnace | Refining Furnace | Electric Arc Furnace
No.31601.Block. Fifth International Center, Fengcheng 2nd Road, Xi'an Economic and Technical Development District. Xi'an, PR of China Postal
TEL: +86-29-68935861 68935862  FAX: +86-29-68935861  Code: 710018  E-mail: sxkydl@sina.com