Safe Introduction of Electronic Detonators
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Safe Introduction of Electronic Detonators. Your host... John Watson The Ensign-Bickford Company. Electronic Detonators . Planning for their Safe Use. Introduction I.M.E. Activities Electronic Detonator/System Concepts Challenges and Opportunities.

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Safe introduction of electronic detonators

Safe Introduction of Electronic Detonators

Your host...

John Watson

The Ensign-Bickford Company


Safe introduction of electronic detonators

Electronic Detonators...

Planning for their Safe Use

  • Introduction

  • I.M.E. Activities

  • Electronic Detonator/System Concepts

  • Challenges and Opportunities


Safe introduction of electronic detonators

Institute of Makers of Explosives (I.M.E.)


Safe introduction of electronic detonators

I.M.E. & Electronic Detonators

  • Safety Library Publications

  • Electronic Detonator Committee

  • Activity to Date

    • Survey of Manufacturers

    • New Additions to SLP 4

    • Forums


Safe introduction of electronic detonators

Fundamental Construction Differences

Shock Tube

Electric

Shock Tube Electric

Delay

Module

Igniter

Capacitor

(Stored Energy)

Delay

Elements

Igniter

Base

Charge

Base

Charge

Pyrotechnic Delay

Electronic Delay


Safe introduction of electronic detonators

Basic Application Concepts


Safe introduction of electronic detonators

  • Typically Two Wire

  • Electric Tie -in Principles

  • Coded Security

  • Multiple Delay Periods

  • Blast Machine

  • Sequential Capability

Factory Programmed

(Fixed) Delay Periods


Safe introduction of electronic detonators

  • Two Wire or Multi-Wired

  • Digital / Coded Security

  • One Millisecond Interval Delays

  • Several Seconds (Maximum)

  • Blast Machine Programming

  • Hand-Held Programmers

  • Blast Design Software Options

Field Programmed

(Variable) Delay Periods


Safe introduction of electronic detonators

Fixed In - Hole Delay

Interval Control

  • Five Wire Ribbon Wire

  • Blast Machine & Controllers

  • Series Tie In

  • Plug In Connectors

  • 32 Second In Hole Delay

  • Pre Programmed Surface Controllers


Safe introduction of electronic detonators

Field Programmed

Passive Programmed

  • Two Wire

  • Blast Machine, Computer,Scanners

  • Network Tie In

  • Plug In Connectors

  • Bar Code Reader Sequenced/Programmed


Safe introduction of electronic detonators

  • Shock Tube Leads

  • Energy Transition

  • Electronic Delay

  • Standard Tie In

Shock Tube Initiated

Factory Programmed

17ms

17ms

17ms


Safe introduction of electronic detonators

Challenges / Opportunities

  • Added Complexity

  • Training Requirements

  • Environmental Limits

    • Temp/Pressure/Shock

  • Multiple User Interfaces

  • Dumb Intelligence

  • System Costs

  • Communication

  • Equipment

  • Added Blast Control

  • Education of Blasters

  • Understand Dynamics

    • Better Blast Control

  • Improved Flexibility

  • Information

  • Improved Economics

  • Communication

  • Information/Control


Safe introduction of electronic detonators

Mining / Blasting Opportunity

  • Frequency Control / PPV Control

  • Large Open Pit Patterns -Casting/Long Delays

  • Air Decking

  • Multiple Decking - Minimal Delay Intervals

  • Drifting - Standard Delays / Dual Delay Units

  • Large Stope Blasting

  • Smooth Wall Blasting

  • Fragmentation Optimization

  • Delay Period Re-Evaluation


Safe introduction of electronic detonators

Safety Library Publication 4

SLP 4

WARNINGS and INSTRUCTIONS

“ALWAYS and NEVERS”


Safe introduction of electronic detonators

Electronic Detonators...

Plan for their Safe Use !

Summary / Comments / Q&A


Safe introduction of electronic detonators

Thanks to:

I.M.E. Electronic Detonator Sub-Committee

Mike Barber - Orica USA

Ron Stewart - Orica Canada

E.K. Skip Hurley - Dyno Nobel

John Capers - Austin Powder Company

Bob McClure - Daveyfire Inc.

Rajeev Singhal - Senex Explosives, Inc.

Mick Lownds - Viking Explosives

Carl Lubbe - St. Lawrence Explosives

Dave Leidel - Halliburton Inc.

Lon Santis - I.M.E.

John Watson - The Ensign-Bickford Company


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