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TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500   Our stock number: 114529

TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500

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TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500
TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500



TENOVA LOI ROLLER HEARTH ANNEALING FURNACE

PRODUCT AND PROCESS DATA


CHARGE MATERIAL: Hot rolled seamless steel tubes

TUBE AND PROFILE DIMENSIONS FOR WHICH THE FURNACE WAS ORIGINALLY DESIGNED.
VARIOUS DIMENSIONS LARGER AND SMALLER MAY BE POSSIBLE

Outer diameter: 26.7-139.7 mm
Wall thickness: 2.6-22.2 mm
Length: 5.5 - 16.O METERS


Max. hearth load of 600 kg/m (at 980C)!

SPECIFICATIONS
All grades for the following:

API 5CT tubings, casings, couplings
API 5DP drill pipes
API 5L line pipes
ASTM-A 213
ASTMA-A 519

CAPACITY
Total heat treatment: approx. 30,000 t/year
Capacity Operating time: 21 shifts/week

FURNACE LINE COMPONENTS

Inlet Roller Table



Inlet Suction Device



Inlet Tunnel with 6 curtains made of spring steel strips


Furnace Casing


Refractory Lining



Heating System


Furnace, 8 Zones


Radiant tubes,58, 10 of them with Cooling Air Connection in Zone 4


70 Furnace Rollers with flange bearings and chain wheels
Group drives: inlet roller table, inlet tunnel, annealing furnace, cooling

section, outlet tunnel, outlet roller table



Protective Gas Supply

Water Basin, 2 Meters



Cooling Section : 10 x 6 m = 60,0 m long


Cooling Water Piping Cooling Tunnel



Outlet Tunnel with 4 Curtains


Outlet Roller Table


Outlet Suction Device



Measuring and Control System



Cross Conveyor Device to charge the inlet roller table


Cross Conveyor Device to discharge the outlet roller table


PLANT DIMENSIONS



Useable width: 2,000 mm
Useable height: 300 mm
Operation height: 1,250 mm

Inlet Roller Table: Approx. 17,880 mm
Inlet Box: 3,740 mm
Annealing Furnace: 30,000 mm
Cooling Section: 64,625 mm
Outlet Box: 2,500 mm
Outlet Roller table: approx. 17,660 mm
Total Length: 135,400 mm


FURNACE DATA

Furnace type: RoDR 6500
Furnace Design: Continuous Roller Hearth Furnace



THROUGHPUT AT AN ANNEALING TEMPERATURE 920 DEGREES C OF ire Furnace

CAPACITY: 6.500 kg/h (without holding time)


Max. admissible roller hearth charging at an operation temperature of 980 C

and uniform hearth charging: 600 kg/m

Number of control zones: 8 (gas-heated)

Operation of control zones: 8 (gas-heated) ON/OFF with round-robin control

Burner in zone 4 is equipped with cooling air connection so that the

respective radiant tube can be used as cooling tube.

Thermocouples: NiCr-Ni 2 per zone

Measuring range of temperature recording: 0 - 1.200 C

Measuring range of temperature control: 0 - 1.200 C

Range of operation temperature: 400 - 980 C

Max. operation temperature: 980 C

Furnace speed: 3 - 150 m/h


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