Ladle Refining Furnace
Environmental
1. The altitude is less than 2000m;
2. Ambient temperature: - 20-45 centigrade;
3. The average maximum humidity in rainy season is less than 90%;
4. Live dust, explosive gas and corrosive gas are prohibited;
There is no obvious vibration and shaking.
Power Supply
High voltage alternating current 35kV ± 10%
Low tension AC 380 / 220V ± 10%
Frequency 50Hz ± 2%
Control voltage AC 220V
Solenoid valve DC 24V
Main technical parameters of lf-30t
Application scope:
LF, VOD, VD ladle refining furnace is suitable for refining molten steel of electric arc furnace, primary furnace and converter. They are important metallurgical equipment for continuous casting and rolling.
It has the functions of atmospheric arc furnace heating, vacuum degassing, argon stirring, oxygen decarburization, adding materials under atmospheric pressure or vacuum. Temperature measurement, sampling, TV carmera, flash observation.
Explain:
Ladle and ladle car
Arc heating mechanism
Electrode control mode: manual control or computer control.
Vacuum equipment and monitoring system
Hydraulic station and control valve system
Argon, oxygen, compressed air system
Electric control system
It can be controlled by PLC and displayed by CRT.
High voltage power system
High current circuit system
Advanced technology of LF furnace:
Single electrode D.C. supplies power to LF ladle furnace.
LF ladle furnace with three electrode DC power supply
LF ladle furnace driven by alternating current with single electrode arm
Tubular water-cooled roof
Microcomputer controller - hydraulic electrode regulator
VVVF motor type electrode regulator
Technical data:
Rated capacity | Actual capacity | ladle diameter mm | transformer rated capacity KVA | Electrode diameter mm | electrode pitch circle diameter mm | heating-up rate C/min | Vacuum pumping rate kg/h | vacuum vessel mm | Ultimate vacuum pa | ladle weight t |
20 | 15-20 | 2200 | 3150 | 200 | 500 | 2-3 | 150 | 2800/4100 | 67 | 18 |
40 | 30-40 | 2900 | 6300 | 350 | 850 | 2-3 | 250 | 4800/5000 | 67 | 25 |
60 | 50-60 | 3100 | 10000 | 350 | 650 | 2-3.5 | 360 | 5300/3500 | 67 | 39 |
70 | 70-80 | 3200 | 12500 | 400 | 700 | 2-3.5 | 380 | 5400/5600 | 67 | 43 |
100 | 90-100 | 3400 | 18000 | 400 | 700 | 2-3.5 | 400 | 5500/5800 | 67 | 47 |
150 | 100-150 | 3900 | 20000 | 450 | 800 | 2-3.5 | 450 | 6500/6600 | 67 | 52 |
