2 strands and R8m Continuous casting plant, Metering nozzle and open casting method

Steel billet casting machine radius

8m

Strand quantity

2 strands

Ladle support type

Ladle turret or Ladle car

Tundish carriage

Semi-portal, cross sliding function

Casting method

Metering nozzle, open casting

Secondary cooling

Gas and water cooling , 2 adjusting circuit

Withdrawal straightening machine

Totally 5 roller, progressive straightening

Roll table

Chain group centralized drive

Dummy bar

Rigid, with self-adapting dummy bar head

Billet cutting

Hydraulic or flame cutting machine

Billet conveying

Group centralized live roller table

Cooling bank type

Simple cooling bed

Nominal capacity

30T

Tap-to-tap cycle 

60min

Furnace quantity 

3sets

Working days

330 days/year

Average number of daily furnace

24/day

Production capacity

300,000t/year

Casting sectional area(mm)

 180x180

200×200

220×220

Casting speed(m/min)

1.6

1.8

2.0

NO.

Billet

size

Casting speed

hourly output

(tons)

Daily output

20hour

(tons)   

Annual output(300days)

(tons)

1

180×180

1.6m/min

21.98

439

131,700

2

200×200

1.8m/min

27.13

543

162,900

3

220×220

2.0m/min

36.47

729

218,700

Steel grade

Casting grade(m/min)

Effective deformation rate(ε)