Electric furnace capacity (t)
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IF power (KW)
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Transformer capacity (KVA)
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Voltage combination
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Connection group label
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Impedance voltage (%)
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Primary side (KV)
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Secondary side (V)
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30T
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20 000
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22000
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10
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1500
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Y/d11
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6-8
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project
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Parameter requirement
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30 tons of molten steel furnace form
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Medium frequency melting furnace
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30 tons of molten steel furnace use
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Used for melting cast iron , carbon steel, etc.
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Rated Capacity
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30T
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Maximum capacity
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30T + 1 0%
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Operating temperature
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1700 °C
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Smelting material
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Cast iron , carbon steel
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Lower discharge mode
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Hydraulic : hydraulic control
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Working noise
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<85 decibels
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Furnace structure
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Steel shell
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Melting rate
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30 T/h
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Melting power consumption
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≤ 52 0±5% kW.h/t cast iron
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≤ 55 0±5% kW.h/ cast steel
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Melting time
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100 minutes / furnace
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project
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parameter
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Power supply
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20000kw / 12 phase 24 pulse 30T
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Number of rectifiers
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24 veins
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Inverter
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SCR parallel inverter
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Rated frequency
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250 Hz
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Incoming AC voltage
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1500 V
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IF voltage
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3000 V
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Start success rate
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100%
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Power factor
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Greater than 0.9 5
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Intermediate frequency power supply
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Circulating water flow
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m 3 /h
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120
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Inlet temperature
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°C
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≯35
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Furnace (dig the pool)
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Temperature rise
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°C
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≯15
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pressure
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Mpa
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0.2-0.3
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Circulating water flow
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m 3 /h
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220
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Inlet temperature
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°C
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≯40
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Temperature rise
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°C
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≯20
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pressure
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Mpa
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0.25-0.3
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C, furnace index
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Serial number
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project
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40 tons
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1
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Furnace shell structure
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Steel or aluminum
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2
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Furnace shell material
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45 # steel
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3
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Panel thickness
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Thickening increase strength 20 mm
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4
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Yoke material
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Z11-0. 3
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5
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Yoke coverage
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8 5%
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6
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Yoke clamping
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Stainless steel 1Cr18Ni9
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7
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Yoke cooling method
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Double water cooling
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8
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Sensor copper tube material
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T2 pure copper 99.9
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9
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Inductor copper tube specifications
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The total wall thickness ≥ 8mm is more than 5 tons
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10
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Sensor turns
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Main 匝 22 laps, 3 rounds of water cooling ring
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11
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Inductor insulation
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3-way dipping paint, double-layer dressing, pressure resistance 8000V
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Sensor winding
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Long and double winding, machine winding (not hand-wound)
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Induction loop height
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2000mm x2875mm
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12
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waterway
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16 in 16 out , water connection hose
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13
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Way out
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Measure line
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14
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Water cooling ring material
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Copper tube
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Furnace shell heat
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<75 ° C (except the furnace bottom and the furnace cover)
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insulation
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The coil and the yoke are insulated by a double layer of mica board.
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Refractory clay
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GROUT 563A US-Tianjin Union Products
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bolt
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Ordinary carbon steel bolts are grade 8.8. Other bolts made of stainless steel or copper
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Die thickness
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>5mm
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Water connection hose
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Use non-flame retardant high insulation rubber tube
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Water collector
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Stainless steel
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Hydraulic pump
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Double pump double
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Unit type
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Vertical
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Hydraulic Components
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Yuci or domestic famous brand
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Guaranteed angle of the furnace
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0 to 95°
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