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60ton LF Specification 
 

1. 60LF

60ton consumption:  
 

1. 60LF:

60Ton LF scope list
LF-20t Ladle refining furnace main technical parameters, complete set range and quotation

1.1 Applications
LF-series ladle refining furnace is used for refining of the molten metal in conjunction with the primary melting furnace, such as arc furnace, converter or induction furnace. It possesses the various metallurgical functions of arc heating, argon blow stirring, temperature measuring and sampling and alloying, etc. It is a critical secondary steelmaking facility for high-quality carbon steel, alloy steel, bearing steel, tool steel and stainless steel, and so it could meet the requirements of continuous casting, rolling and ingot production.

1.2 This ladle refining furnace is applicable to the following operating conditions:
1.2.1 Altitude shall not 2, 000m;
1.2.2 Ambient temperature: 0C ~ 40C
1.2.3 Relative humidity shall not exceed 90% (25C);
1.2.4 Free of conductive dust, explosive gas and corrosive gas around the furnace;
1.2.5 No evident vibration or bumps;

1.3 Main technical parameters
No. Description Unite Parameter
1 Ladle Rated capacity t 20
Furnace bath diameter mm φ 1470
Height of free space mm 500
2 Ladle car Travel speed m/min 2-20
Driving type machinery
3 Electrode lifting device Diameter of electrode mm Φ 250
Diameter of electrode distribution circle mm Φ 460
Max, electrode travel mm 1800
Electrode up and down speed m/min 4/3
Rise in temperature speed of melting steel C/min ≥ 3.5
4 Furnace cover Furnace cover lifting height mm 300
5 Hydraulic system Working pressure MPa 12
Working media Water-glycol
6 High current system Impedance mΩ ≤ 2...5
3-phase out-of-balance coefficient % ≤ 5
7 Argon Working pressure MPa 0.2~0.8
Amount NL/min 20~150
8 Cooling water system Working pressure MPa 0.3
Inlet water temperature C ≤ 35
Backwater temperature C ≤ 55
Amount of used water m3/h 120
9 Transformer Rater capacity KVA 3600
Primary voltage kV 35
Secondary voltage V 200-135
Secondary current A 10393
Cooling type OFWF
11 Power supply system High voltage kV 35
Low voltage V AC380
AC220
DC24
2\LF-20t Ladle refining furnace quotation
No. Description QTY(set)
1 Ladle car 1
2 Ladle(without hanger, sliding gate) 1
3 Heating bridge frame and guide device 1
4 Water cooling cover(without lining) 1
5 Electrode lifting device(include conductive arm) 1
6 High current line system(include water cooling cable) 1
7 Cooling water system 1
8 Furnace cover lifting device 1
9 Argon system 1
10 Hydraulic system 1
11 High voltage switch cabinet(35KV) 1
12 PLC automation control system and low voltage control cabinet 1
13 Transformer 3600KVA/35KV 1
Total: FOB Shanghai

3. Self-provide parts by customer
3.1 Electrode and its connector;
3.2 Ladle hanger and sliding gate;
3.3 Refractory material and making lining;
3.4 Hydraulic system working media (water-glycol)\water\compressed air and argon.
3.5 Civil engineering, and the track of ladle car\pre-lay unit and screw of equipment's foundation;
3.6 The connecting pipes and lines for hydraulic oil\cooling water\argon and electric;
3.7 To import high voltage power supply to the input terminal of high voltage switch cabinet and furnace transformer by cable or copper plate, to buy\lay and test the connecting cable (copper plate), it will be borne by the buyer.
3.8 To import low voltage power supply to the input terminal of low voltage control cabinet, and ensure that its phase rotation and ground protection are correct, as well as the connecting lines that between the control cabinets and from the output terminal of control cabinet to the connection point of the equipment, it will be borne by the buyer.

4. Installing and debugging