Hermann-Bössow-Str. 6-8, 23843 Bad Oldesloe, Germany
+49 4531/88011-0
+49 4531/88011-20

Thermal Imaging System for Slag Detection

  • Description
  • Details
  • Specifications
  • Downloads
  • Contact

The Slag Detection System serves as a key solution to improve the steel quality and to recuce treatment costs by minimizing the slag carryover during the tapping process. The whole system is designed for reliable 7/24 operation in the harsh environment of a steel plant.

Key Features
  • Fully automated measurement sequence
  • 100% Traceability: Automatic storage of images, measured slag transfer and tap related data
  • Advanced data management and tap analysis with database and web server
  • Various interfaces for connecting to your process control, data management and visualization
  • Robust and fail-safe design for continuous operation in steel plants

Key Advantages
  • Improved steel quality
  • Higher production yield
  • Reduced treatment costs
  • Reduced processing time

During the tapping process an infrared camera monitors the pouring stream. Due to the very different radiation properties of liquid metal and slag, the thermal camera can precisely distinguish between these two materials. This allows an accurate calculation of the slag transfer by evaluating the live thermal image in realtime. The acceptable content of slag can be preset in the software. As soon as this threshold is reached an alarm will be triggered to stop the tap. All important data are continuously displayed on the screen in a clearly arranged window. This includes the live thermal image, the slag carryover vs. tap time, the preset alarm threshold for the slag content and the alarm status.

Infrared Camera
Type: IRSX-I
Temperature Measurement Range: +600°C to +2000°C
Field of View: 5,5° x 4° 6,2° x 5°
Other lenses available on request
Frame Rate: 50 Hz
Interface: Gigabit Ethernet
Ambient Temperature Range: -40°C to +60°C
Weight: 930 g (with lens 6.2o x 5o)
Dimensions: 55mm x 55mm x 150mm (with lens 6.2o x 5o)
Protection Class: IP67

Camera Enclosure
Type: IRCamSafe AIW 168
Enclosure Material: Stainless Steel
Coolant: Water or Air
Protective Window: Ø 70mm x 3mm
Air Barrier: Adjustable Air Flow, Supply Pressure 1 – 3 bar
Cable Protection: Heat Resistant Hose, Configurable Length, Resistance to Thermal Load: up to +1640°C
Ambient Temperature Range: 0°C to +350°C
Weight: 10,5 kg
Dimensions: Ø 168mm x 505mm
Protection Class: IP67
Mounting Bracket: Heavy Duty Bracket with Joint, Made from Stainless Steel. Load Rating 45 kg.

Other Components
Server-PC: Industry Standard Server Computer, 19″ Metal Case for Rack Installation. The Server Computer hosts the Infrared Monitoring Software, the Database and the Web-Server.
IRCamSafe-Controller Integrated inside the camera enclosure. The board gives a significantly reduced installation effort, allowing a direct connection to mains power and Ethernet without any additional connection cabinet. It features various sensors to continuously monitor the ambient conditions in the enclosure, thus ensuring a safe operation of the camera.
  • 4 Port Switch with 2x LWL-LC 100Base-FX or 2x RJ45(10/100) Up-Links
  • 2 internal sensors for temperature; sensors for pressure and humidity
  • Supports a ring structure of the network for lower cabling complexity
  • Switchable camera power and heater via Modbus-TCP/IP (controlled by the monitoring software)

Ethernet Link
SQL Database
Digital I/O, 24V Input/Output,Galvanicisolated (Fieldbus Module)

Data Link of Camera and Computer
Gigabit Ethernet
Up to 90m with Industrial Ethernet Cable
Up to 500m with Multi-Mode Glass Fiber Cable
Up to several km with Single Mode Glass Fiber Cable

Cristian Ferber
Sales Manager NDT
+49 (0)4531/88011-18
Heiko Schiemann
Sales Office West
+49 (0)171/6787317

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