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AMETEK Land has collaborated with Danieli & C. Officine Meccaniche S.p.A. (Danieli) on automatic tapping system to increase operation safety and improve process control for steel plants.

Established in 1914, Danieli designs plants and manufactures and installs machines for the metals industry covering the entire production cycle from raw ore to finished steel products.

With the Danieli Automatic Electric Arc Furnace (EAF) Tapping System, it is possible to execute a complete furnace tapping remotely from the main pulpit of a steel plant. The system starts furnace tilting in automatic mode, controlling the furnace position during the complete tapping process.

Embedded within the system are two thermal imaging systems from AMETEK Land: its world-renowned Slag Detection System (SDS-E), branded as Danieli’s Q-Slag, and a near-infrared (NIR) fixed thermal imager that is an integral part of the Ladle Level Detection (LLD) system. The thermal imaging systems are used in conjunction with Danieli software to control steel flow in real time.

Q-Slag makes use of an SDS-E imager to detect the transition between steel and slag. It also quantifies the amount of slag that may pass into the ladle.  That information is useful for fine-tuning alloys and lime additions for the secondary metallurgy. In parallel with Q-Slag, the LLD system controls when steel inside the teeming ladle has reached pre-set level positions.

Back tilting can be done either in automatic mode (when the pre-conditions regarding steel level and weight are met) or by remote intervention of the EAF operator from the main pulpit.

AMETEK Land NIR fixed thermal imager AMETEK Land’s selection by Danieli as development partner was based on Land’s 75 years of steel industry application expertise, along with the demonstrated ability of its Slag Detection System to improve operator response times and steel consistency at the end of each tap. Those improvements typically result in up to a 25% reduction in slag depths, compared with traditional methods of stream monitoring.

“We are delighted that Danieli selected AMETEK Land as a partner on their Automated Tapping System. There are major benefits for steel producers of using this technology,” comments Ben Wileman, Division Vice President, Sales and Marketing for AMETEK Land.

“Fast slag detection response allows plants to significantly reduce slag carryover, resulting in improved yields, higher quality steel, and a reduction in costly downstream processing.”


AMETEK Land (Land Instruments) is the world’s leading manufacturer of monitors and analysers for industrial infrared non-contact temperature measurement, combustion efficiency and environmental pollutant emissions

AMETEK Land (Land Instruments) is the world’s leading manufacturer of monitors and analysers for industrial infrared non-contact temperature measurement, combustion efficiency and environmental pollutant emissions.

Through our trusted range of leading-edge technologies, we are chosen the world over to deliver the highly accurate measurement solutions that precisely meet every customer’s process needs.

Our comprehensive product range includes:

– Fixed Spot Non-Contact Thermometers / Pyrometers – Flexible solutions, customisable for diverse processes and specialised applications.

– Portable Non-Contact Thermometers– Trigger-operated for easy use, our handheld thermometers provide spot temperature measurements with precise target viewing and on-board data storage.

– Fixed Thermal Imagers & Line Scanners– Setting the industry standard for performance. Backed by advanced software support, they supply the information you need to keep your process running safely and efficiently.

– Calibration Sources – A comprehensive range of blackbody calibration sources enabling high-precision calibration of radiation thermometers under on-site and laboratory conditions.

– Combustion Efficiency Monitors – We offer precision measurement solutions to measure oxygen, carbon monoxide and sulphuric acid dewpoint, which can help improve combustion efficiency, lower energy use, reduce emissions and prevent plant corrosion.

– Opacity and Dust Monitors– The most advanced range of opacity, dust and particulates monitors available, use patented technology to deliver highly accurate results. With no moving parts, they combine high reliability with low maintenance.

– Portable Gas Analysers – Offering up to nine gas measurements on a single analyser, we have solutions for all combustion monitoring and environmental compliance.

– Carbon Monoxide Detectors – Providing early warning of combustion in process and storage areas, our highly sensitive CO detectors monitor the entire process. This gives the best chance of early detection, allowing rapid action to prevent fire.

– Specific Industry Applications – We design systems specifically to solve critical temperature measurement problems industrial applications. Our specialised solutions provide optimised performance in challenging processes.

With unrivalled applications knowledge, choosing AMETEK Land ensures the highest standards of process safety, process control and product quality are reached.

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