Relau Roler

TENOVA

CHARACTERISTICS HEAT TREATMENT EQUIPMENT
.. temperature max.: 950 °C


Clear width 2,200 mm
Usable width 2,070 mm
Usable height 400 mm
Working height 1,300 mm
Inlet roller conveyor 14,700 mm
Inlet box 2,500 mm
Annealing furnace 29,169 mm
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(Annealing furnace clear length) approx. 26,769 mm
Cooling section (HT and NT) 51,000 mm
Outlet box 2,500 mm
Outfeed roller conveyor 14,660 mm
Total length 114,530 mm
System volume: XXX m3
(annealing furnace and cooling section)
N2 purge gas volume 420 m3
Furnace design: Roller hearth continuous furnace
Material: Tubes
Outer diameter: 14 - 180 mm
Wall thickness: 0.8 – 8.0 mm
Length: 4.0 – 13.0 m
Surface before annealing: -
-
Throughput at 920 °C annealing material temperature
and full furnace utilisation 7,000 kg/h (without holding time)
Throughput at 700 °C annealing material temperature
and full furnace utilisation xxxxx kg/h (without holding time)
Reference pipes: 25 x 2.5 x 8000 mm
33 x 3.5 x 8000 mm
40 x 3.5 x 8000 mm
55 x 2.8 x 8000 mm
63 x 4 x 8000 mm
75 x 6 x 8000 mm
110 x 8 x 8000 mm
Tube outlet temp.,
depending on tube surface: 125 - 150 °C
Roller pitch inlet roller conveyor: 620 mm
Roller pitch inlet box: 620 mm
Roller pitch annealing furnace: approx. 430 mm
Roller pitch cooling section: 500 mm
Roller pitch outlet box: 620 mm
Roller pitch outlet roller conveyor: 620 mm
Roller dimensions:
Annealing furnace: 155.4 x 14 mm 1.4848/1.4832
Front section
HD cooling section: 157.0 x 10 mm 1.4826 (7 pieces)
Remaining cooling section: 133.0 x 4 mm St 37
Max. permissible roll hearth load at
a working temperature of 920 °C and
even distribution of the hearth: 350 kg/m
Furnace floor: Refractory lightweight brick: 130 mm
Insulating bricks: 130 mm
Mineral fibre board: 50 mm
Side: Refractory lightweight bricks: 230 mm
Mineral fibre board: 100 mm
Ceiling: Suspended ceiling bricks
and wool insulation
330 mm
Ceiling thickness
Ring bricks for roller passages made of fibre material
Number of control zones: 6 (gas-heated)
Operation of control zones: - (gas-heated) ON/OFF, with round-the-clock control
- (electrically heated) ON/OFF,
with thyristor control
Thermocouples: NiCr-Ni
Temperature recording range: 0 - 1,000 °C
Temperature control measuring range: 0 - 999 °C
Working temperature range: 450 - 950 °C
Max. working temperature: 950 °C
Throughput speed: 7.5 - 150 m/h