Tungku rol

TENOVA

HEAT TREATMENT PLANT DATA

.. Max. temperature: 950 °C

Clear width: 2,200 mm
Usable width: 2,070 mm
Usable height: 400 mm
Working height: 1,300 mm
Entry roller conveyor: 14,700 mm
Entry section: 2,500 mm
Annealing furnace: 29,169 mm
(Annealing furnace clear length) approx. 26,769 mm
Cooling section (HT and LT): 51,000 mm
Exit section: 2,500 mm
Exit roller conveyor: 14,660 mm
Total length: 114,530 mm
System volume: XXX m³
(Annealing furnace and cooling section)
N2 purging gas volume: 420 m³
Furnace design: Roller hearth continuous furnace
Material: Pipes
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 product temperature
and full furnace utilization: 7,000 kg/h (without soaking time)
Throughput at 700 °C product temperature
and full furnace utilization: xxxxx kg/h (without soaking time)
Reference pipes:
- 25 x 2.5 x 8,000 mm
- 33 x 3.5 x 8,000 mm
- 40 x 3.5 x 8,000 mm
- 55 x 2.8 x 8,000 mm
- 63 x 4 x 8,000 mm
- 75 x 6 x 8,000 mm
- 110 x 8 x 8,000 mm

Tube exit temperature, depending on surface: 125 - 150 °C
Roller pitch, entry roller conveyor: 620 mm
Roller pitch, entry section: 620 mm
Roller pitch, annealing furnace: approx. 430 mm
Roller pitch, cooling section: 500 mm
Roller pitch, exit section: 620 mm
Roller pitch, exit roller conveyor: 620 mm
Roller dimensions:
Annealing furnace: 155.4 x 14 mm, 1.4848/1.4832
Front part HD cooling section: 157.0 x 10 mm, 1.4826 (7 pcs)
Remaining cooling section: 133.0 x 4 mm, St 37
Max. permissible roller hearth load at a working temperature of 920 °C and uniform bed load: 350 kg/m
Furnace floor: Fireclay brick: 130 mm
Insulating brick: 130 mm
Mineral fiber board: 50 mm
Side: Fireclay brick: 230 mm
Mineral fiber board: 100 mm
Ceiling: Suspended ceiling tiles and packing wool: 330 mm ceiling thickness
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Ring stones for roller penetrations made of fiber material
Number of control zones: 6 (gas heated)
Operation of control zones:
- (Gas heated) ON/OFF, with circumferential control
- (Electrically heated) ON/OFF, with thyristor control
Thermocouples: NiCr-Ni
Temperature recording range: 0 - 1,000 °C
Temperature control range: 0 - 999 °C
Operating temperature range: 450 - 950 °C
Max. operating temperature: 950 °C
Conveying speed: 7.5 - 150 m/h

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