Types of Explosive Accessories

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(Exploder)

Det-cord

INITIATING DEVICES

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t = 100 KgF t = 100 t = 95 t = 120 KgF

Detonating chords

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Detonating Chord

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For Trunkline Extending For Tying Downline to surface Trunkline

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Detonating relay Connectors (DRC)

15 45 ms

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Red = 60 ms

35 ms

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Signal Tube NONEL Detonator

1 mm

3 mm

[HMX]

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ELECTRIC DETONATORS a) b) c) d) Instantaneous Elect Det L Series Millisecond Delay Det Half Second (LP) Delay Det Electronic Detonators

a) Magnadet Detonators b) Magna Primer

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Instantaneous

Fusehead Composition1- Ignition Composition (Lead MonoNitro Reserconate +Potassium Chlorate) 2- Flashing Composition (Potassium Chlorate + Charcoal) 3- Protective Coating (Nitro Cellulose)

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2 3

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MS Delay Electric Dets

Half Second Delay Elect Dets

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Electric Det Carrick coal mine detonators Ten delays ( 0 -10) Delay interval = 30 sec

Carrick (Copper Tube) Det

Exploders

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Exploders

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I = 10-7 A R =1010 Ohm V = 1000 V

C = 300 pF = 300 x10 -12F

E = 0.6 mJ

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Magnadet High Frequency Electric Det.Concept: Detonator wires are connected to a ring transformer consisting of a ferite ring TOROID. Toroid is frequency sensitive activated by the special AC powered exploder operating in the frequency range of 12 000 25 000 Hz. [AC]

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Electronic detonator

Micro Chip

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Top (Collar) Vs Bottom Initiation

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ANZOMEX PRIMERS (Boosters)

Anzomex boosters are cast water proof primers, made principally of cast pentolite (mixture of PETN, TNT and other miner ingredients High strength, and high densi High VOD (7000 m/s) Lower shock sensitivity, friction, impact.

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