Online Course - Basic Oxygen Steelmaking Converter Process Control

On demand and instant access to the full course consisting of three modules.

To maximise learning it is recommended that each module is completed in sequence.

Course Modules

The course consists of three modules which should be taken in sequence in order to complete the full course.

Module 1 – Charge Balancing and Slag Development

Content includes:

  • Charge balancing is an iterative process which is crucial for controlling analysis and timing of steel production
  • It is based on constantly changing information and has to contend with and take account of many uncertainties and inaccuracies
  • Slag is the primary system for removal of impurities
  • Development of a good slag is dependent on accurate information, accuracy of weighing and good process control

Module 2 – Blowing Control, Sampling and End-point Projection

Content includes:

  • Blowing control depends heavily on bath conditions
  • Lance height needs to be balanced between “hard” and “soft” blowing
  • Lance design aims to deliver supersonic oxygen to the bath in the shape of coherent jets
  • Lance height is the key control parameter
  • Systems are in place to minimise slopping
  • In blow sampling techniques can help with end point target performance
  • Dynamic adjustment is possible even at 85% of the blow
  • End blow computer models are used to hit the final aims

Module 3 – Bath Conditioning and Process Automation

Content includes:

  • Charge balancing will provide the right ingredients for a good slag, process control will provide the conditions for good slag formation but the nature and form of the slag is also important if the slag is to be effective in refining
  • The Bath Agitation Process can be used to improve slag conditioning and control slopping events
  • Systems exist to build on advisory systems and make some steps automatic
  • Performance is much improved through automation

What the course covers

The course covers the process control requirements for managing the primary basic oxygen steelmaking process to ensure good refining. The course will discuss the information and controls required to ensure steel is made by the BOS process in specification, within the timescales required for downstream processing.

Main topics covered are charge balancing, slag development, lance height control, prevention of slopping, blow endpoint control using inblow sampling and moves towards process automation

Learning Outcomes

The learning objectives are:

  • To understand how the BOS converter is controlled during steelmaking to obtain the desired end goal
  • To highlight how good process control is the key to consistency of operation
  • To understand the importance of accurate information on process control performance

Who should access the course?

Practitioners in the steel industry, such as scientists, researchers, technologists, technology managers and operations and operational management. Those who are, or who aspire to be senior leaders within the steel industry or academia.

Course Duration

3 x 40 minute modules

Course Presenter

Tony Kirk BSc. Metallurgy
Process Consultant

Tony provides support and expertise to the Institute in the area of Primary Basic Oxygen Steelmaking.

Tony has held a number of technical and managerial positions in the steel industry, including primary steelmaking research and development, plant process engineering, expert systems development, quality assurance and compliance, and business excellence.

Throughout Tony’s career he has always been involved in process improvement and innovation to try to improve process stability, product quality and economic performance. Tony played a lead role in the introduction of Bath Agitation systems into UK plants.

Enrolment options for this course

Enrol for the full course, or go through the modules separately (to maximise learning it is recommended that each module is completed in sequence).