Complete System – Industrial Heat Treatment Line with 6 Identical Bogie Hearth Furnaces and Quenching System
For sale is a complete industrial heat treatment system consisting of 6 identical bogie hearth furnaces type HW150-3520-1100, including an integrated quenching system and complete central plant equipment.
The offered system represents a fully coordinated industrial production solution for demanding thermal processing applications. All six bogie hearth furnaces are of identical design, ensuring consistent process conditions, high operational availability, and excellent interchangeability of components.
The complete system includes not only the six high-performance bogie hearth furnaces but also the required central plant components and auxiliary systems, including burner systems, combustion air supply, exhaust gas extraction, temperature control and monitoring systems, as well as the complete furnace and bogie equipment.
With a rated heating capacity of 3,520 kW per furnace, an operating temperature range of up to 1,100 °C, and a maximum load capacity of up to 120,000 kg per furnace, this system provides a powerful solution for large-scale industrial heat treatment processes.
The combination of six identical furnace units together with the integrated quenching section offers:
High production capacity through parallel operation of multiple furnace units
Reliable and repeatable heat treatment processes
Flexible handling of different charge sizes
Centralized and coordinated plant utilities
Robust industrial design for continuous production environments
The system is offered as a complete turnkey heat treatment solution and provides an immediately deployable production platform for industrial applications requiring high capacity, process reliability, and consistent thermal treatment results.
Technical Data
7.1 Furnace Housing Dimensions
External dimensions1: 7,100 x 7,245 (incl. door portal) x 12,745 mm
Clear dimensions: 5,000 x 2,575 x 11,275 mm
Usable dimensions: 4,000 x 1,500 x 10,500 mm
Workpiece supports: 6 units, height 475 x 340 mm
7.2 Weights
Empty weight of housing: approx. 55,000 kg
Empty weight of hearth car: approx. 40,000 kg
Operating weight: max. 120,000 kg
Weight of supports: 6 units at 5,083 kg each = 30,500 kg
7.3 Performance Data
Nominal heating capacity: 3,520 kW
Temperature control range: 550 – 1,100°C
Max. permissible furnace chamber temperature: 1,150°C
Safety cut-off temperature: 1,180°C
Heating rate: max. 60 K/h at 120,000 kg operating weight
Max. permissible heating rate: 60 K/h
Number of temperature control zones: 6
All dimensions: width x height x depth or Ø x height.
Utility Supply Parameters
7.4.1 Natural Gas
Calorific value Hu(n): 10.6 kWh/m³(n)
Gas inlet pressure: 2.0 bar
Max. volume flow: 334 m³(n)/h / 118 m³(b)/h
Temperature: +5 to +25°C. 7.4.2 Combustion air
Composition: Ambient air
Combustion air pressure: max. 100 mbar
Max. volumetric flow rate: 11,500 m³(n)/h
Temperature: +5 to +40°C
7.4.3 Power supply
Voltage: 400 V
Mains frequency: 50 Hz
Connected load: 83 kW
7.5 Furnace pressure
Control range: -0.5 to +0.5 mbar
Warning threshold: 1.5 mbar persisting for longer than 10 seconds
Shutdown threshold: 2.0 mbar persisting for longer than 10 seconds. 7.6 Painting/Coating
Furnace casing: RAL 9006 (silver, high-heat resistant)
Gas piping: RAL 1021 (yellow)
Combustion air piping: RAL 7001 (gray)
Exhaust piping frame: RAL 9006 (silver, high-heat resistant)
Internal exhaust piping: RAL 9006 (silver, high-heat resistant)
External exhaust piping: NCS S 1040-R 80 B.
Performance data of key components
7.7.1 Burner
Manufacturer: Noxmat GmbH
Type: RHGB 160
Quantity: 22 units per furnace
Nominal output: 160 kW
Ignition: electric
Flame monitoring: yes (ionization)
Control: on/off, pulsed, heating/cooling
7.7.2 Exhaust extraction fan
Manufacturer: Ventec AG
Type: VHR-710-1600RGR90
Quantity: 1x
Motor power: 75 kW
Motor speed: 740 rpm
Power supply: 400 V
Frequency: 50 Hz
Total pressure difference: 56 mbar
Volume flow: max. 63.47 Bm³/s (at 50 Hz). 7.7.3 Combustion air fan
Manufacturer: Luft & Ventilatoren Technik GmbH
Type: RVH-0315-38985-30M-250M2-GL270
Quantity: 1x
Motor power: 55 kW
Motor speed: 2,970 rpm
Power supply: 400 V
Frequency: 50 Hz
Total pressure difference: 100 mbar
Volume flow: max. 11,500 m³(n)/h (at 50 Hz).
Door drive
Manufacturer: DEMAG CRANES & COMPONENTS GMBH
Type: AUH80TL KBA 125 B 8/2
Design code: AUH80TL-B14.3-90-0/253
Description: Geared brake motor with hollow shaft
Serial no.: 0043983732
Quantity: 1x
Motor power: 4.3 / 1.0 kW
Motor speed: 2775 rpm
7.7.5 Hearth car drive
Type: AUH90DD ZBA 180 A 4 B280
Design code: AUH90DD-B14.2-100-1/62.8
Description: Geared brake motor with hollow shaft
Serial no.: 0043981563
Quantity: 1x
Motor power: 15.4 kW
Motor speed: 1,440 rpm
Output speed: 22.9 rpm
Power supply: 230 / 400 V, 50 Hz
PTC thermistors: 3 units each / cut-off at 160°C
7.7.6 Wheel blocks (hearth car)
Type: DRS 315-NA-A-90-K-X-X
Wheel diameter: 315 mm
Wheel width: 90 mm
Quantity: 22x
Temperature control thermocouples
Manufacturer: RECKMANN GMBH
Type: 2 x Type S (PtRh-Pt), Class 1
Quantity: 6 units
Nominal length: 800 mm
Calibration points: 550, 690, 830, 970, 1100°C
7.7.8 Thermocouple Safety temperature monitoring
Manufacturer: RECKMANN GMBH
Type: 1 x Type S (PtRh-Pt)
Quantity: 1 unit
Nominal length: 800 mm.
