Aspects of compatibility regarding the pre-1990 blasters with new categories of electric detonators

In Romanian mining operations for the initiation of electric detonators are still used blasters manufactured before 1990. These blasters were designed and built for the initiation of electric detonators using the requirements of obsolete standards. For simultaneous initiation of a large number of el...

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Bibliographic Details
Published in:MATEC web of conferences 2024, Vol.389, p.14
Main Authors: Gabor, Dan, Păun, Florin, Tăzlăuanu, Alexandra
Format: Article
Language:English
Subjects:
Detonators
Online Access:Get full text
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Summary:In Romanian mining operations for the initiation of electric detonators are still used blasters manufactured before 1990. These blasters were designed and built for the initiation of electric detonators using the requirements of obsolete standards. For simultaneous initiation of a large number of electric detonators, sufficient electrical power must be supplied to all detonators within milliseconds. The time required to heat up the bridgewire until the fusehead deflagrates is a function of the voltage and the current. In order to be able to use old generation blasters for the initiation of new generation of electric detonators (that are built according to new national and European standards) a comparative analysis must be made between the requirements of the pre-1990 standards and the new standards in use.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/202438900014