FIELD: mining industry. SUBSTANCE: procedure of loading of water-containing explosive into blast hole or cartridge provides for direct injection of gas-forming additive that passes as thin ligament into water-containing explosive after pumping of explosive under pressure into loading tube. Water-containing explosive and gas-forming additive mix up at end of loading tube and activate in blast-hole or cartridge. Loading tube is lubricated with water or aqueous solution to diminish pump pressure. EFFECT: simplified system of means to load water-containing explosives into blast-holes or cartridges. 8 cl, 2 dwg
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Authors
Dates
2003-03-20—Published
1998-09-11—Filed