[특허]Method and system for manufacture and delivery of an emulsion explosive

Dyno Nobel, Inc.

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특허 상세정보

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Method and system for manufacture and delivery of an emulsion explosive

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C06B-031/00 D03D-023/00 D03D-043/00
미국특허분류(USC)	149/045; 149/109.4; 149/109.6
출원번호	UP-0246557 (2005-10-07)
등록번호	US-7771550 (2010-08-30)
발명자 / 주소	Halander, John B. Nelson, Casey L. Bonner, Clark D.
출원인 / 주소	Dyno Nobel, Inc.
대리인 / 주소	Thorpe North & Western LLP
인용정보	피인용 횟수 : 3 인용 특허 : 17

초록
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A method for manufacture and delivery of an emulsion explosive having a discontinuous oxidizer solution phase, a continuous fuel phase, and an emulsifier, the method comprising: (a) providing an emulsion manufacturing system; (b) conveying an oxidizer solution phase to the emulsion manufacturing system at a pre-determined pressure; (c) conveying a fuel phase to the emulsion manufacturing system at a pre-determined pressure; (d) forming an emulsion from the oxidizer solution and the fuel phases using only a portion of the pre-determined pressures so as to...

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What is claimed and desired to be secured by Letters Patent is: 1. A method for manufacturing and delivering an emulsion explosive, said method comprising: providing a combined and continuous emulsion manufacturing and delivery system; conveying an oxidizer solution phase to said emulsion manufacturing and delivery system at an initial pre-determined pressure; conveying a fuel to said emulsion manufacturing and delivery system at an initial pre-determined pressure; utilizing a portion of said initial pre-determined pressures to form an emulsion explosive from said oxidizer solution phase, said fuel, and an emulsifier; providing a usable residual pressure from said initial pre-determined pressures following formation of said emulsion explosive; and utilizing said residual pressure to deliver said emulsion explosive to a pre-determined location without the need for additional pressure input once said emulsion explosive is formed. 2. The method of claim 1, wherein said fuel comprises a fuel phase, with said emulsifier being contained within said fuel and introduced into said emulsion manufacturing and delivery system via said fuel. 3. The method of claim 1, wherein said emulsifier is supplied directly into said emulsion manufacturing and delivery system at a pre-determined location to mix with said fuel and said oxidizer solution phase. 4. A method for manufacturing and delivering an emulsion explosive, said method comprising: conveying an oxidizer solution phase into a mixing chamber at an initial pre-determined pressure; conveying a fuel into said mixing chamber, also at an initial pre-determined pressure; providing an emulsifier in said mixing chamber; causing, non-mechanically and under influence of said initial pre-determined pressures, said fuel, at least a portion of said oxidizer solution phase, and said emulsifier to impinge one another with sufficient force to form an emulsion explosive, providing a usable residual pressure from said initial pre-determined pressures following formation of said emulsion explosive; shearing, non-mechanically and under influence of said residual pressure, said emulsion explosive for further refinement purposes and to obtain a desired viscosity; and delivering, non-mechanically and under influence of said residual pressure, said emulsion explosive to a pre-determined location without the need for additional mechanical or pressure input once said emulsion explosive is formed. 5. The method of claim 4, wherein said providing an emulsifier in said mixing chamber comprises containing said emulsifier in said fuel, said fuel thus existing as a fuel phase, and thus said conveying a fuel comprises conveying a fuel phase into said mixing chamber. 6. The method of claim 4, wherein said providing an emulsifier in said mixing chamber comprises introducing said emulsifier at a pre-determined location, wherein said emulsifier is introduced directly in said mixing chamber. 7. The method of claim 4, wherein said conveying said oxidizer solution phase comprises conveying through a first nozzle. 8. The method of claim 7, wherein said conveying said fuel comprises conveying through a second nozzle, said first and second nozzles being counter-opposed to one another to effectuate said causing, non-mechanically, at least a portion of said oxidizer solution phase and said fuel to impinge on one another, in the presence of said emulsifier. 9. The method of claim 4, wherein said causing comprises conveying said oxidizer solution phase and said fuel simultaneously through a static mixer, in the presence of said emulsifier, to form said emulsion. 10. The method of claim 4, wherein said mixing chamber is configured with one or more stators or deflectors, and wherein said oxidizer solution phase and said fuel are caused to indirectly impinge one another, in the presence of said emulsifier, by deflecting off of said stators upon entering said mixing chamber. 11. The method of claim 4, further comprising conveying said emulsion into a second mixing chamber. 12. The method of claim 11, further comprising conveying a second portion of said oxidizer solution phase into said second mixing chamber. 13. The method of claim 12, further comprising causing, non-mechanically, said emulsion to impinge said second portion of said oxidizer solution phase to produce a more oxygen-balanced emulsion. 14. The method of claim 13, wherein said emulsion and said second portion of said oxidizer solution phases are caused to indirectly impinge one another by being deflected off of one or more stators existing within said second mixing chamber. 15. The method of claim 4, further comprising refining said emulsion prior to delivery. 16. The method of claim 15, wherein said refining comprises thickening and stabilizing said emulsion. 17. The method of claim 15, wherein said refining comprising sensitizing said emulsion by reducing its density. 18. A method for forming and delivering an emulsion explosive, said method comprising: conveying an oxidizer solution phase through a first nozzle into a mixing chamber at an initial pre-determined pressure; conveying a fuel phase through a second nozzle into said mixing chamber at an initial pre-determined pressure; orienting said first and second nozzles in a counter opposed position, such that at least a portion of said oxidizer solution and fuel phases impinge on one another, under influence of said initial pre-determined pressures, with sufficient force to form a pre-blend emulsion in the presence of an emulsifier; providing a usable residual pressure from said initial pre-determined pressures following formation of said pre-blend emulsion; utilizing said residual pressure to force said pre-blend emulsion through a third nozzle; utilizing said residual pressure to cause said pre-blend emulsion exiting from said third nozzle to impinge a second portion of said oxidizer solution phase being conveyed through a fourth nozzle, at an initial pre-determined pressure, with sufficient force to form a more oxygen-balanced emulsion, said pre-determined pressure from said second portion of said oxidizer solution phase contributing to said residual pressure; forcing said pre-blend emulsion, under influence of said residual pressure, through a fifth nozzle to thicken and refine said emulsion; shearing said emulsion, under influence of said residual pressure, to achieve a desired viscosity and to form an emulsion product ready for delivery; and utilizing said residual pressure to deliver said emulsion product to a pre-determined location without the need for additional mechanical or pressure input. 19. The method of claim 18, further comprising sensitizing said emulsion prior to said shearing by introducing a density-reducing agent therein. 20. The method of claim 19, wherein said sensitizing comprises introducing a trace element into said emulsion, wherein said trace element comprises one or more chemical gassing agents, which function to react to form a plurality of bubbles within said emulsion, thus reducing its density. 21. The method of claim 19, wherein said sensitizing comprises introducing a compressed gas into said emulsion, wherein said compressed gas functions to introduce a plurality of bubbles within said emulsion, thus reducing its density. 22. The method of claim 19, wherein said density-reducing agent is injected into said emulsion, and said density-reducing agent and said emulsion are conveyed through a sixth nozzle and caused to mix with one another. 23. The method of claim 19, wherein said density-reducing agent is injected into one of said oxidizer solution phase, said fuel phase, said emulsifier, and said mixing chamber. 24. The method of claim 18, further comprising placing a water ring around said emulsion to aid in said delivering to said pre-determined location. 25. The method of claim 18, wherein said steps of conveying are accomplished by one selected from the group consisting of a pump, a gravity delivery system, and a pressure vessel. 26. The method of claim 18, wherein said shearing is effectuated by one selected from the group consisting of a shear valve, a series of nozzles, and a combination of these. 27. The method of claim 18, wherein said pre-defined location is selected from the group consisting of a borehole, a receptacle, and a plant. 28. The method of claim 18, wherein said nozzles comprise a static mixer incorporated therein. 29. The method of claim 18, wherein said nozzles may comprise different sizes, depending upon system requirements. 30. A method for manufacturing and delivering an emulsion explosive, said method comprising: providing a combined emulsion manufacturing and delivery system; manufacturing an emulsion explosive within said emulsion manufacturing and delivery system under an influence of initial energy provided to supply one or more components of said emulsion explosive to said emulsion manufacturing and delivery system; and utilizing a residual energy remaining following said manufacturing of an emulsion explosive to deliver said emulsion explosive to a pre-determined location without the need for additional energy input.

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Method and system for manufacture and delivery of an emulsion explosive

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Method and system for manufacture and delivery of an emulsion explosive

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