Patent classifications
C06B47/145
CHEMICAL INHIBITORS FOR HIGH TEMPERATURE AND REACTIVE GROUND
The present invention relates to the field of explosives. In particular, the present invention relates to explosive formulations for use or when used in reactive ground. The present invention also relates to uses of the explosive formulations and a method of blasting a reactive ground using the explosive formulations.
COMPOSITION FOR FORMING A HYDROGEN PEROXIDE BASED EMULSION EXPLOSIVE
A composition for forming a hydrogen peroxide-based emulsion explosive which composition comprises; an oxidizer-phase comprising at least 15% by weight of hydrogen peroxide and at least 15% by weight of water, a fuel-phase comprising at least one oil type fuel, a liquid emulsifier and at least one finely divided colloidal non-sensitizing solid adsorbent, wherein the oxidizer-phase is discontinuously dispersed throughout the continuous fuel-phase. A method of preparing an emulsion type explosive composition is also disclosed.
COMPOSITION FOR FORMING AN EXPLOSIVE COMPRISING AN EMULSION OF HYDROGEN PEROXIDE AND AN OIL TYPE FUEL
A composition for forming a hydrogen peroxide based emulsion explosive which composition comprises: an oxidizer-phase comprising at least 35% by weight of hydrogen peroxide and at least 25% by weight of water, a fuel-phase comprising at least one primary oil type fuel with a flash point below 100? C. and at least one secondary oil type fuel with a flash point over 150? C. and at least one emulsifier, wherein the oxidizer-phase is discontinuously dispersed throughout the continuous fuel-phase. A method of preparing an emulsion type explosive composition is also disclosed.
SENSITIZING COMPOSITION FOR ENERGETIC HYDROGEN PEROXIDE EMULSIONS
A sensitizing composition for generating gas bubbles in an energetic hydrogen peroxide emulsion is disclosed. The sensitizing composition comprises a liquid carrier, a solid hydrogen peroxide catalyst which is dispersed in the liquid carrier and; a coating agent which is non-soluble in hydrogen peroxide and in water and which is arranged to coat the solid hydrogen peroxide catalyst dispersed in the liquid carrier. A method of preparing such a sensitizing composition is also disclosed.
EMULSION-TYPE EXPLOSIVES OF THE WATER-IN-OIL TYPE
An explosive emulsion composition of the water-in-oil type, comprising between 80 wt. % and 95 wt. % of an oxidizer phase composition comprising at least 40 wt. % of ammonium nitrate (AN), and at least 15 wt. % of calcium nitrate (CN), and optionally one or more other secondary nitrate salts, between 5 wt. % and 20 wt. % of an organic phase comprising between 12 wt. % and 50 wt. % of one or more emulsifiers, between 50 wt. % and 88 wt. % of a fuel composition, in view of the total weight of the organic phase composition,
characterized in that the fuel composition comprises between 20 wt. % and 100 wt. % of a straight vegetable oil (SVO), and
wherein the explosive emulsion composition is stable and has a viscosity between 25,000 cP and 125,000 cP, as measured with a Brookfield viscometer with spindle size 7 at a frequency of 20 rpm at 30? C.
Heavy ANFO and a tailored expanded polymeric density control agent
The present invention is directed to an explosive composition comprised of heavy ANFO and expanded polymeric beads that have a density that is less than the density of the heavy ANFO. The expanded polymeric beads have a size that is determined or based on the size of ammonium nitrate prills used in the heavy ANFO portion of the composition. In one embodiment, the expanded polymeric beads that are utilized in the composition are at least 70% of the lower limit of the mesh size of the predominant ammonium nitrate prill mesh size. In another embodiment, the expanded polymeric beads are at least 70% of a size that is related to the average mesh size of the ammonium nitrate prills.
METHOD AND DEVICE FOR EMULSIFYING EMULSION EXPLOSIVE
The present invention relates to a method and device for emulsifying emulsion explosive: an oil phase and a part of a water phase having undergone split-flow enter a first stage coarse emulsion mixer; after mixing, the mixture together with a part of the water phase having undergone second stage split-flow enters a second stage coarse emulsion mixer; the obtained mixture together with a part of the water phase having undergone third stage split-flow enters a third stage coarse emulsion mixer for mixing; forming a coarse emulsion matrix after multiple stages of mixing, and finally completing emulsification after mixing in a multi-stage fine emulsion mixer. The method and device mix the water phase with the oil phase multiple times according to a desired ratio, thus greatly reducing the stored explosive, with no mechanical stirring or shearing, with no heat accumulation, and with low pressure, without requiring matrix pumping, thus enhancing safety.
Method and device for conducting commercial blasting operations
A method of generating electricity which comprises forming a galvanic cell comprising two electrodes in contact with an ionic conductor, wherein the ionic conductor comprises an explosive composition or is derived from an explosive composition.
COMPOSITIONS WITH SOLID FUEL LOADED ON GRAPHENE FOAMS
The present application generally relates to compositions with solid fuel loaded on graphene foams (GFs) for enhanced burn rates, and methods of making and using the compositions with solid fuel loaded on graphene foam.
Explosive compositions and related methods
Explosive compositions are disclosed herein. The compositions include a diesel fuel and a vacuum gas oil. Some compositions disclosed herein include an emulsion that includes an oxidizer in a discontinuous phase and a blend of diesel fuel and vacuum gas oil in a continuous phase. Methods of manufacturing explosive compositions are also disclosed herein.