Furnaces·Roller Hearth Annealing Furnace

TENOVA LOI CONTINOUS ROLLER HEARTH FURNACE, TYPE RoDR 6500

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Manufacturer: TENOVA LOI
Model: RoDR 6500
Condition: Used

Description

TENOVA 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

Specifications

Annealing Furnace Length (mm)	30,000
Annealing Temperature (c)	920
Charge Material	hot rolled seamless steel tubes
Control Zone Operation	gas-heated ON/OFF with round-robin control
Cooling Air Connection Tubes	10
Cooling Section Length (m)	60
Cooling Section Length (mm)	64,625
Furnace Design	continuous roller hearth furnace
Furnace Speed Max M Per H	150
Furnace Speed Min M Per H	3
Hearth Load Temperature (c)	980
Inlet Box Length (mm)	3,740
Inlet Roller Table Length (mm)	17,880
Max Hearth Load Kg Per (m)	600
Number Of Control Zones	8
Number Of Furnace Rollers	70
Number Of Radiant Tubes	58
Operating Shifts Per Week	21
Operation Height (mm)	1,250
Operation Temperature Range Max (c)	980
Operation Temperature Range Min (c)	400
Outlet Box Length (mm)	2,500
Outlet Roller Table Length (mm)	17,660
Temperature Control Range Max (c)	1,200
Temperature Control Range Min (c)	0
Temperature Recording Range Max (c)	1,200
Temperature Recording Range Min (c)	0
Thermocouple Type	NiCr-Ni
Thermocouples Per Zone	2
Throughput Capacity Kg Per H	6,500
Total Heat Treatment Capacity T Per Year	30,000
Total Length (mm)	135,400
Tube Length Max (m)	16
Tube Length Min (m)	5.5
Tube Outer Diameter Max (mm)	139.7
Tube Outer Diameter Min (mm)	26.7
Tube Wall Thickness Max (mm)	22.2
Tube Wall Thickness Min (mm)	2.6
Useable Height (mm)	300
Useable Width (mm)	2,000
Water Basin Length (m)	2