Process for the “in situ” manufacturing of explosive mixtures
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
D03D-023/00
F42D-003/00
출원번호
US-0601396
(2003-06-23)
우선권정보
ES-0001474 (2002-06-26)
발명자
/ 주소
Gomez de Segura, Fernando Beitia
Angulo, Jos? Ram?n Quintana
Rivas, Rafael Lanza
출원인 / 주소
Union Espanola de Explosivos S.A.
인용정보
피인용 횟수 :
1인용 특허 :
7
초록▼
The manufacture is carried out in a continuous manner simultaneous to the filling of the shot holes, in a mixer, preferably a rotating mixer, wherein a water-based, non-explosive or low sensitivity matrix, an air bubble stabilizing agent, and optionally, an oxidant in granular form and a combustible
The manufacture is carried out in a continuous manner simultaneous to the filling of the shot holes, in a mixer, preferably a rotating mixer, wherein a water-based, non-explosive or low sensitivity matrix, an air bubble stabilizing agent, and optionally, an oxidant in granular form and a combustible material are mixed together. The nature of the water-based matrix, together with the use of an air bubble stabilizing agent, allows the incorporation of air during the mixing, regulating the density of the final product and acting on the variables of the process. On coming out of the mixer, the explosive is totally sensitized and has reached its final density, allowing for quality control before filling the shot hole. The process may be carried out on the explosives pumping truck, with compartments for the transportation of a water-based matrix, an oxidant in granular form, a combustible material and a gas bubble stabilizing agent.
대표청구항▼
1. A process for the continuous “in situ” manufacturing of pumpable explosive mixtures, comprising the steps of:a) transporting to a place of manufacture the following ingredients: (i) matrix product that is at least one of non-explosive and low sensitive; said product contains at least one of an aq
1. A process for the continuous “in situ” manufacturing of pumpable explosive mixtures, comprising the steps of:a) transporting to a place of manufacture the following ingredients: (i) matrix product that is at least one of non-explosive and low sensitive; said product contains at least one of an aqueous solution and a suspension of an oxidant salt, and a thickening agent (ii) a stabilizing agent of air bubbles, b) mixing said product and said stabilizing agent in a tank by a rotating mixer that allows capturing of atmospheric air in a controlled way, to obtain a pumpable explosive mixture with an oxygen balance of between ?10% and +10%, by controlling the amount of air that is incorporated into said explosive mixture; and c) loading the pumpable explosive mixture directly into a shot hole. 2. The process according to claim 1, wherein during the loading of the shot hole, the pumpable explosive mixture is mixed with a reticulating agent.3. The process according to claim 1, wherein said matrix is present in an explosive mixture in a proportion greater than 50% of the total weight.4. The process according to claim 1, wherein said stabilizing agent of air bubbles is selected from the group consisting of solutions and suspensions of surfactants, proteins and natural polymers and their derivatives.5. The process according to claim 1, wherein the mixing is carried out in an installation assembled on a truck.6. The process according to claim 1, wherein said product includes a combustible material.7. The process according to calim 1, wherein said product includes a sensitizer.8. The process according to claim 1, wherein said products includes a component selected from the group consisting of combustible materials, sensitizers and mixtures thereof.9. The process according to claim 1, including the step of adding a liquid combustible material to the product.10. The process according to claim 1, including the step of adding to the product a granular form component selected from the group consisting of inorganic oxidants in granular form, oxidants in granular form and mixtures thereof.11. The process according to claim 10, wherein said granular from component is an inorganic nitrate in granular form.12. The process according to claim 10, wherein said granular form component inorganic nitrated in granular form and including a liquid combustible material.13. The process according to claim 9, wherein the liquid combustible material is selected from the group consisting of aromatic hydrocarbons, aliphatic hydrocarbons, oils, petroleum derivatives, derivatives of vegetable origin and mixtures thereof.14. A process for the continuous “in situ”manufacturing of pumpable explosives mixtures, comprising:a) transportation to place of manufacture of: (i) a matrix product that contains a thickening agent, a combustible material, a sensitizer and at least one of an aqueous solution and a suspension of an oxidant salt; (ii) a stabilizing agent of air bubbles, (iii) at least one of and inorganic oxidant in granular form and a mix formed of an oxidant and a combustible material, and (iv) a liquid combustible material; b) mixing the components of paragraphs a in a tank that allows capturing of atmospheric air in a controlled way, to obtain a pumpable explosive mixture with an oxygen balance of between ?10% and +10% , by controlling the amount of air that is incorporated into said explosive mixture; and c) loading the pumpable explosive mixture directly into a shot hole.
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이 특허에 인용된 특허 (7)
Chattopadhyay Arun K. (McMasterville CAX), Emulsion explosive.
Halliday Pieter S. (Randburg ZAX) Tucker Gareth (Germiston ZAX) Lbbe Carl H. (Kempton Park ZAX) Harris Alan J. (Knoppieslaagte ZAX) Russell David G. (Johannesburg ZAX), Loading of boreholes with explosive.
Lanza Rivas, Rafael; Quintana Angulo, Jose Ramon; Beitia Gomez De Segura, Fernando Maria, Procedure and installation for on-site manufacturing of explosives made from a water based oxidizing product.
Gomez De Segura, Fernando Beitia; Angulo, Jose Ramon Quintana; Rivas, Rafael Lanza, Process and mechanism for in situ sensitization of aqueous explosives.
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