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1. 发明申请

WO2019203731A1 BLASTING TECHNIQUE 审中-公开
公开(公告)号：WO2019203731A1
公开(公告)日：2019-10-24
申请号：PCT/SG2019/050217
申请日：2019-04-17
申请人： ORICA INTERNATIONAL PTE. LTD.
发明人： PEREIRA, Nigel Brett , WILLAN, Les , NAGARAJAN, Murali , QUIJANO, Carlos Vicente Arana , JERIC, Stephen
IPC分类号： E21C41/26 , F42D3/04 , F42D1/02
摘要： An aspect of the present invention relates to a method of mining in a rock formation, comprising: drilling blastholes extending into the rock formation, each of the blastholes having a depth between a first end and a second end, wherein for each blasthole the second end thereof is deeper into the rock formation than the first end thereof; loading the blastholes with alternating layers of explosives charges and stemming material to establish a succession of blasting decks or sections extending across and within the rock formation including a first blasting deck or section and at least a second blasting deck or section, wherein each blasting deck or section beyond the first blasting deck or section extends deeper into the rock formation than the first blasting deck or section; and after establishing the multiple blasting decks or sections extending across and within the rock formation, selectively initiating the explosives charges in a series of stages based on blasting deck or section proceeding consecutively from the first blasting deck or section to each successive blasting deck or section, wherein during initiating the explosives charges in a given blasting deck or section, the explosive charges in each deck or section successive to the given blasting deck or section are slept, and wherein after each stage excavation takes place to progress mining in an intended direction.

2. 发明申请

WO2019168469A1 RECONFIGURABLE EXPLOSIVES MATERIALS TRANSPORT AND DELIVERY SYSTEM 审中-公开
公开(公告)号：WO2019168469A1
公开(公告)日：2019-09-06
申请号：PCT/SG2019/050103
申请日：2019-02-26
申请人： ORICA INTERNATIONAL PTE. LTD.
发明人： MAJOR, Bryce Owen , CUMMING, Brett Jason , WILLINGTON, Mark Justin
IPC分类号： F42D1/10
摘要： An apparatus including a supply system that is adapted for supplying at least a first explosives material, the supply system comprising: at least a first explosives material delivery mechanism; a bin having an upper end, a lower end, and an interior volume that provides at least a first compartment for storing an explosives material, the first compartment having a corresponding lower end; at least a first outlet provided at the lower end of the compartment for feeding the first explosives material from the first compartment to the first explosives material delivery mechanism; at least a first removable cover for a second outlet at the lower end of the compartment, and installable thereon and removable therefrom; a port provided at the upper end of the bin by which the explosives material is loadable into the first compartment; and an operation tool that is adapted to allow installation and removal of the first removable cover by way of the port without requiring any personnel to fully or partially enter into the bin.

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