A. Comprehensive indicators

Serial number

project

Index requirements

   1

Equipment form

Intermediate Frequency Melting Furnace

2

Equipment use

Used for smelting carbon steel, cast iron, aluminum, etc.

3

Rated Capacity

5T

4

Maximum capacity

5T + 1 0%

5

Operating temperature

15 5 0 ℃

6

Smelting material

Cast steel, cast iron

7

Bottom discharging method

Hydraulic : hydraulic control

9

Working noise

<85dB

10

Furnace structure

Steel shell

12

Melting rate

5T /h

13

Baking temperature

1 5 5 0 ℃ ±20℃

14

Melting power consumption

≤ 55 0±5% kW.h/ T cast steel

≤ 5 2 0±5% kW.h/ T cast iron

15

Melting time

60 minutes / furnace

B. Electrical indicators :

Serial number

project

index

1

Power

3500kw / 6 phase 12 pulse 5T

2

Number of rectification terms

12 veins

3

Inverter

SCR series inverter

4

Rated frequency             

300 Hz

5

Incoming line voltage

660 V

6   

IF voltage 

45 00V -4800V

7

Startup success rate    

100%

8

Power factor

0.9 8

C. Equipped with cooling system parameters

Serial number

project

index

1

Closed loop cooling tower

ZXZ-N 320 T integrated layered tower two sets of 70T and 250T integrated layered tower

2

Cooling tower shell

Aluminized zinc plate or 304 stainless steel plate

3

Fan matching motor

5.5 KW X 2

4

Spray water pump

4 KW

5

Main circulation pump

22kw

6

Cooler

304 cooler

C. Furnace index

Serial number

project

Index requirements

1

Furnace shell structure

Steel shell

2

Furnace shell material

45 # steel

3

Thickened panel

20mm

4

Yoke material

Z11-0. 23

5

Yoke coverage

8 5%

6

Yoke clamping

Stainless steel 1Cr18Ni9

7

Yoke heat dissipation method

Double water cooling

8

Sensor copper tube material

T2 pure copper 99.9

9

Sensor copper tube specifications

Wall thickness ≥ 7

10

Sensor turns

By design

11

Inductor insulation

3 dipping paint, double-layer dressing, withstand voltage 8000V

Sensor winding

Lengthened double parallel winding, machine winding (not manual winding)

Sensor winding

Machine winding

Induction coil inner diameter

1140mm

Induction coil height

1550

12

waterway

8 in 8 out , water connection hose

13

Way out

Back out

14

Water cooling ring material

Copper tube

15

Furnace shell heat

＜75℃ (except furnace bottom and furnace cover)

1 6

insulation

The coil and the yoke are insulated by mica plate double-layer isolation

17

bolt

Ordinary carbon steel bolts are grade 8.8. Other bolts made of stainless steel

18

Water connection hose

Use non-flame retardant high insulation rubber tube

19

Water trap

Stainless steel material

D. Charge material

1

Refractory cement

GROUT 563A US-Tianjin Union Mineral Products