BRPI0416409A - método de detonação de múltiplas camadas ou nìveis de rocha - Google Patents

método de detonação de múltiplas camadas ou nìveis de rocha

Info

Publication number
BRPI0416409A
BRPI0416409A BRPI0416409-1A BRPI0416409A BRPI0416409A BR PI0416409 A BRPI0416409 A BR PI0416409A BR PI0416409 A BRPI0416409 A BR PI0416409A BR PI0416409 A BRPI0416409 A BR PI0416409A
Authority
BR
Brazil
Prior art keywords
layers
layer
detonation
platforms
explosive
Prior art date
Application number
BRPI0416409-1A
Other languages
English (en)
Inventor
Geoffrey Brent
Tapan Goswami
Original Assignee
Orica Explosives Tech Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34624265&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0416409(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from AU2003906600A external-priority patent/AU2003906600A0/en
Application filed by Orica Explosives Tech Pty Ltd filed Critical Orica Explosives Tech Pty Ltd
Publication of BRPI0416409A publication Critical patent/BRPI0416409A/pt
Publication of BRPI0416409B1 publication Critical patent/BRPI0416409B1/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D3/00—Particular applications of blasting techniques
    • F42D3/04—Particular applications of blasting techniques for rock blasting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F42D1/045—Arrangements for electric ignition
    • F42D1/05—Electric circuits for blasting
    • F42D1/055—Electric circuits for blasting specially adapted for firing multiple charges with a time delay

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)

Abstract

"MéTODO DE DETONAçãO DE MúLTIPLAS CAMADAS OU NìVEIS DE ROCHA". A presente de invenção refere-se a um método de detonação de camadas plurais de material (38, 40, 42, 44) em um campo de detonação (16) que reduz a quantidade de escavação mecânica necessária para expor uma camada inferior de material. O método inclui o uso de fileiras de orifícios de detonação igualmente espaçados (18, 20, 22, 24) que passam através de todas as camadas e fileiras intermediárias de orifícios de detonação (26, 28) que passam apenas através da camada de topo (40). Cada orifício de detonação é tampado com material de corte e inclui uma ou mais plataformas de material explosivo (46) e de detonadores (48), com plataformas de ar ou corte inerte (45) separando plataformas adjacentes de explosivos (46). Os detonadores na camada (40) são detonados primeiro na ordem da fileira (18) para trás para arremessar uma quantidade substancial do material de detonação da camada (40) para frente da face livre (12) sobre o piso (34). No mesmo ciclo de detonação e dentro de segundos da detonação por arremesso, material explosivo nas camadas (42, 44) é detonado em uma detonação vertical em que o material nas camadas (38, 42, 44) é fragmentado, mas, por outro lado, minimamente deslocado ou atirado para frente. As camadas (38, 44) podem ser veios de carvão que são separados por camada intersticial (42) e cobertas por sobrecamada (40).
BRPI0416409A 2003-11-28 2004-10-13 método de detonação de múltiplas camadas de material em um campo de detonação, na mineração de corte aberto para minério recuperável BRPI0416409B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2003906600A AU2003906600A0 (en) 2003-11-28 Method for multiple blasting
PCT/AU2004/001401 WO2005052499A1 (en) 2003-11-28 2004-10-13 Method of blasting multiple layers or levels of rock

Publications (2)

Publication Number Publication Date
BRPI0416409A true BRPI0416409A (pt) 2007-01-09
BRPI0416409B1 BRPI0416409B1 (pt) 2015-12-29

Family

ID=34624265

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0416409A BRPI0416409B1 (pt) 2003-11-28 2004-10-13 método de detonação de múltiplas camadas de material em um campo de detonação, na mineração de corte aberto para minério recuperável

Country Status (10)

Country Link
US (2) US8631744B2 (pt)
EP (1) EP1687584B1 (pt)
CN (1) CN100504281C (pt)
AU (6) AU2004293486C1 (pt)
BR (1) BRPI0416409B1 (pt)
CA (1) CA2545358C (pt)
EA (1) EA008615B1 (pt)
MX (1) MXPA06005935A (pt)
WO (1) WO2005052499A1 (pt)
ZA (1) ZA200603868B (pt)

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Also Published As

Publication number Publication date
US20070272110A1 (en) 2007-11-29
AU2012250274B2 (en) 2016-10-20
AU2009202695A1 (en) 2009-07-23
AU2004293486C1 (en) 2013-10-24
EP1687584B1 (en) 2013-04-10
CN100504281C (zh) 2009-06-24
AU2006100900B4 (en) 2006-11-09
US8631744B2 (en) 2014-01-21
CN1886635A (zh) 2006-12-27
EP1687584A4 (en) 2010-09-22
EA008615B1 (ru) 2007-06-29
AU2004293486A1 (en) 2005-06-09
AU2006100900A5 (en) 2006-11-09
AU2017200419A1 (en) 2017-02-09
AU2012250274A1 (en) 2012-11-29
BRPI0416409B1 (pt) 2015-12-29
AU2019222920A1 (en) 2019-09-19
CA2545358C (en) 2014-02-11
EA200601055A1 (ru) 2006-12-29
AU2004293486B2 (en) 2009-04-02
CA2545358A1 (en) 2005-06-09
US20130298795A1 (en) 2013-11-14
US9618310B2 (en) 2017-04-11
MXPA06005935A (es) 2006-07-06
EP1687584A1 (en) 2006-08-09
ZA200603868B (en) 2007-09-26
AU2009202695A2 (en) 2009-08-20
WO2005052499A1 (en) 2005-06-09

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