Author Archive Roland Pietruck

ByRoland Pietruck

REUSteel

REUSteel

Dissemination of results of the European projects dealing with reuse and recycling of by-products in the steel sector

REUSteel project abstract

European Research dedicated a lot of time and efforts in the development of innovative sustainable solutions for the steel industry. The aim is to provide bridging solutions to lead the steel industry towards a reduction of its environmental impact with an obvious saving of natural resources, hence in being closer to a virtuous objective of “zero waste” goal. These thematic fields are perfectly framed in a concept that is strongly emphasized at a European level and that is receiving increasing attention in the scientific and technical community in the latest years, namely the so called Circular Economy. The circularity concept pushes researchers and industries to look for synergies with other industrial sectors to analyze and investigate solution for improving by-product reuse and recycling both inside and outside the steelmaking cycle, by thus developing examples of industrial symbiosis. However, the joint efforts of the EU steel industries on this theme are still not widely known.

REUSteel project aims at extensively disseminating and valorizing important research results on the reuse and recycling of byproducts, based on an integrated critical analysis of many list of EU-funded projects, in order to promote the results exploitation and increase the synergies with other sectors.

REUSteel project overview

“Dissemination of results of the European projects dealing with reuse and recycling of by-products steel sector (REUSteel)” is a project co-founded by the Research Fund for Coal and Steel (RFCS).

The project is framed in the context of more eco-friendly and sustainable solutions in the steel industry. The reuse and recycling of by-products of the steelmaking cycles as well as on the exploitation of by-products from other activities outside the steel production cycle, such as alternative carbon sources (e.g., biomasses and plastics) are the proper actions to move towards a saving of the natural resources together with a reduction of the environmental impact, hence being closer to a “zero-waste” goal.

“REUSteel” aims at an extensive action of dissemination and valorisation of the most important research results on by-products reuse and recycling, based on an integrated critical analysis of many EU-funded projects, in order to promote results exploitation and increase the synergies with other industrial sectors. This analysis will allow identifying the most urgent needs and ambitions of the European steel sector and defining a sequence of future research topics in this field.

A joint critical analysis, carried out by all the partners, belonging to different institutions, will provide new insights and guidelines for future research topics in this field, in order to promote the dissemination and, consequently, the implementation of the achieved results. The project will also organise the results, in order to present selected groups of topics at planned workshops and seminars. This will provide a clearer vision of the outcomes to stakeholders and new audiences, in order to get new and deeper indications for a new roadmap, future synergies with other sectors and industrial trends.

“REUSteel” will contribute to an update of the steel roadmap for a low carbon Europe 2050 and the current BIG-Scale initiative of EUROFER.

The involved Partners in the research project are:

Sant’Anna
School of Advanced Studies
(Coordinator)
www.santannapisa.it/en
VDEh-Betriebsforschungsinstitut GmbH (BFI) www.bfi.de/en/
FEhS – Institut für Baustoff-Forschung e.V. www.fehs.de/en/
Rina Consulting

Centro Sviluppo Materiali S.P.A. (CSM)

 

www.rina.org/en

 

SWERIM www.swerim.se/
European Steel Technology Platform (ESTEP) is also involved in the project as subcontractor of Sant’Anna School of Advanced Studies www.estep.eu

The Project Coordinator is Dr. Eng. Valentina Colla (valentina.colla@santannapisa.it)

REUSteel dissemination action

The project was finalized in January 2022. Further information about events, videos and public deliverables as the roadmap of the REUSteel project can be found on https://www.reusteel.eu/index.html

  • Events:
    https://www.reusteel.eu/events.html
  • Documents and Videos
    https://www.reusteel.eu/documents.html
  • Public Deliverables
    https://www.reusteel.eu/deliverables.html

This project is carried out with the financial support of the Research Fund for Coal & Steel – Grant Agreement Number: 839227 (2019)​

ByRoland Pietruck

RemoCoal

Real Time Monitoring of coal composition in closed systems for fast process control

RemoCoal project abstract

Nowadays for competitive hot metal production at a Blast furnace it is necessary to realize a high pulverised coal (PC) injection rate at a minimised coke rate. But actually there is a lack of real time analytical technologies to obtain reliable short time information of the actual composition of pulverized coal blend which is injected into the blast furnace (BF). A real time analysis of the pulverised coal blend opens up the opportunity to detect unexpected or prompt deviation in coal blend composition. It enables to run an optimized total BF fuel rate, a reduction of fuel cost for hot metal production and subsequently decreasing CO2 emissions.

Within the project the Pulsed Fast and Thermal Neutron Analysis (PFTNA) technology designed as borehole logging tool will be modified and applied in a closed silo of a pulverized coal injection (PCI) system. BF trials for real-time analysis of coal composition to adjust the coal injection rate near time will be performed.

The PFTNA-technique takes advantage of a switchable pulsed neutron generator for emission of fast and thermal neutrons and a gamma ray detector which record the characteristic gamma photons generated by interaction of the emitted neutrons with the nuclei of the surrounding coal material. It delivers characteristic spectra as basis for  determination of the PC composition.

 

Additional the real time spectra will be processed by fingerprint analysis software (pattern recognition). The analysis is based on statistical data evaluation of the gamma spectra and delivers the operator principle parameter of the PC for Blast furnace optimization.

The involved Partners in the research project are:

VDEh – Betriebsforschungsinstitut GmbH  
Sodern  
Malvern Panalytical GmbH  
thyssenkrupp Steel Europe AG  

This project receives funding from the Research Fund for Coal and Steel under grant agreement No. 754 200

Remocoal objectives

The main objective of this project is to demonstrate the high benefit of the real time analysis of coal composition for industrial application in better adjusting/controlling the pulverised coal injection rate and improve the production process.

The implementation of the PFTNA technology and the finger print analysis software enables to:

  • homogenize process fluctuations and improve process stability
  • run optimised pulverized coal injection rate and therefore to lower the safety coke rate of BF (improved forward control)
  • carry out a trend analysis by the operator and adjust the coal blending
  • lower operational costs
  • decrease CO2 emissions by reduced total fuel rate and improved process control.

The new technology shall be demonstrated at the pulverized coal injection plant of a BF at tk SE. Finally, a concept will be set up for the implementation of the PFTNA technology and the real-time data evaluation at European blast furnaces.

Remocoal research approach

The development of the online monitoring systems in RemoCoal will be achieved in four major steps. An overview of the concept is illustrated in the following figure:

  1. The adaption of the neutron probe and the software as well as inhouse calibration: The PFTNA probe will be adapted for the implementation in closed silos of an injection plant of a tk SE blast furnaces. The adaption comprises the optimisation on the signal detection with respect to the construction material and probe design via simulation. Also a safety concept for applying the neutron probe will be set up. The finger print recognition software will be modified as support tool for the blast furnace operator and implemented. After adaption a primary inhouse calibration of the neutron probe using pulverised coal analysis as reference will be carried out.
  2. Calibration rig in pilot scale: To obtain a reliable calibration of the neutron probe in industrial scale a calibration rig in pilot scale will be engineered and set up. The pre calibrated neutron probe will be used for calibration trials with defined coal and coal blends to obtain an industrial calibrated neutron probe.
  3. Application at Industrial scale: The developed PFTNA probe will be installed and applied in a closed silo of the tk SE pulverized coal injection plant at a blast furnace. The results will be compared to standard analysis. The finger print recognition software will be proved by the operator to an optimized utilisation of PC at the BF. On the basis of the gained experiences and the results a concept for the implementation of the PFTNA technology and the real-time data evaluation at European blast furnaces will be set up.