Patent ID: 6537399
Filing Date: 2003-03-25
Classification: B01F,C06B

Abstract:
A procedure for â€œin situâ€  sensitization of water based explosives utilizing a mobile apparatus, the procedure including the steps of (I) transporting a base product to a loading place for explosives receiving boreholes wherein said base product is selected from a group consisting of non-explosive, low sensitivity materials and mixtures thereof and further wherein said base product includes an aqueous liquid mixture, said mixture selected from a group consisting of oxidants and fuels in solution, oxidants and fuels in emulsion, oxidants and fuels in suspension and mixtures thereof and (ii) the sensitization of said base product before the loading of said base product in the boreholes; said procedure further including the steps of:performing such sensitization for each production of said explosives by mixing said base product with a gas stream in a mixer, so as to form a controllable and variable but stable concentration of the gas in said base product in situ; and mixing said base product and gas with said mixer while adjusting the density of the sensitized explosive by the regulation of flow of the gas stream and adjusting gas bubble size by varying energy applied by said mixer to said base product and gas so as to vary the density of the final explosive and to produce a stable final explosive having a preselected density when the explosive exits the mixer.