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Pipeline conveying of bulk materials

Objectives

The aim of this course is to acquaint the participants with the scientific principles and the basic theory and practice of the conveying of solid particulate materials in pipelines by means of carrier fluids such as water or air. The course includes the flow behaviour of slurries in pipelines, so as to gain an understanding of the different types of slurries and how these differences need to be accounted for, and the various flow regimes for the pneumatic conveying of particles. Backfill systems in mines and fly ash conveying are included.

Presented by leaders in their respective fields, Dr Angus Paterson, Dr Nic Marais and other industry experts, this course is not to be missed.

Course Structure

Slurry conveying • Review of pipeline hydraulics and issues relevant to slurry flow • Introduction to slurry systems • Settling slurries • Non-Newtonian slurry flow behaviour • Mixed regime slurries • Slurry pipeline hydraulics • Applications and examples including backfilling in mines 

Pneumatic conveying • Systems and components • Gas-solid flows • System design • System operation

Course Content

Slurry conveying • Review of pipeline hydraulics and issues relevant to slurry flow • Introduction to slurry systems • Settling slurries • Non-Newtonian slurry flow behaviour part I,Non-Newtonian slurry flow behaviour part II • Mixed regime slurries • Slurry pipeline hydraulics Part I • Slurry pipeline hydraulics Part II Aim of slurry conveying modules: Delegates will be introduced to the flow behaviour of slurries in pipelines so as to gain an understanding of the different types of slurries and how these differences need to be accounted for in system design. 

Pneumatic conveying • Introduction and review of systems and components • Conveying characteristics • Dilute and dense phase conveying explained • Conveying capability and material influences • Pipeline scaling parameters for system design • First approximation design methods Aim of Pneumatic conveying modules: All types of pneumatic conveying systems will be considered including high,low and negative pressure (vacuum) systems, conventional and innovatory, open and closed, and fixed and mobile systems.

Course Lecturers

Dr Angus Paterson completed his Civil Engineering degree at the University of Cape Town, South Africa in 1984 and continued post-graduate studies, completing an MSc in 1986 and a PhD in 1991. His research work focused on the flow behaviour of high concentration backfill slurry pipelines. Angus has been directly involved in analysis and design of slurry transport systems since 1987 and has worked on slurry pipeline projects throughout the world. These include long distance slurry pipelines, underground paste and backfill distribution systems and numerous conventional, thickened and paste tailings disposal systems. He was co-founder with Robert Cooke in Paterson & Cooke in 1991.  

Dr Nic Marais first completed a civil engineering undergraduate degree before specializing in nonlinear structural mechanics at postgraduate level. Before joining Paterson & Cooke in 2006, he worked in marine and maritime structures, held an academic post at the University of Cape Town and then had his own consulting business which focused on management and technology transfer. At Paterson & Cooke Nic has participated in multiple hydro-transport projects ranging from dune mining projects, dredging and slurry pipelines, to the design of hydraulic structures. 

Outcomes

This course covers the theory of the conveying of solid particulate materials including powders, granules and minerals in pipelines, by using either liquids (slurry conveying) or gases (pneumatic conveying) as conveying media. Industrial applications are described, including backfill systems in mines. After completion of the course, attendees should be able to identify appropriate applications for the slurry conveying of particles of various materials, together with the attendant advantages and disadvantages and outline conceptual designs for slurry and pneumatic conveying systems, including the main items of equipment.

Project and examination

The course is offered over five consecutive days. Participants have a choice of either attending the full 5-day course, complete a subsequent assignment and write an examination enabling them to achieve a full Wits Certificate of Competence or just to attend the 5-day course and receive a Wits Certificate of Attendance.

Accreditation

The University regards this post graduate course (MECN 7071) as NQF level 9. The course has been accredited by ECSA for CPD purposes as follows: 5-day attendance = 4 points, 5-day attendance and satisfactory completion of assignment and examination = 6 points.

Venue

Professional Development Hub (PDH) Building

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