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    • 81. 发明申请
    • PROCESS AND APPARATUS FOR PRODUCING ULTRAFINE EXPLOSIVE PARTICLES
    • 生产超爆炸颗粒的方法和装置
    • WO1993004019A1
    • 1993-03-04
    • PCT/US1991006748
    • 1991-09-24
    • E.I. DU PONT DE NEMOURS AND COMPANY
    • E.I. DU PONT DE NEMOURS AND COMPANYMcGOWAN, Michael, James
    • C06B21/00
    • B01F5/043B01F3/08B01F5/0405B01F5/0413B01F5/0428C06B21/0066
    • A method and an improved eductor apparatus for producing ultrafine explosive particles is disclosed. The explosive particles, which when incorporated into a binder system, have the ability to propagate in thin sheets, and have very low impact sensitivity and very high propagation sensitivity. A stream of a solution of the explosive dissolved in a solvent is thoroughly mixed with a stream of an inert nonsolvent by obtaining nonlaminar flow of the streams by applying pressure against the flow of the nonsolvent stream, to thereby diverge the stream as is contacts the explosive solution, and violently agitating the combined stream to rapidly precipitate the explosive particles from the solution in the form of generally spheroidal, ultrafine particles. The two streams are injected coaxially through continuous, concentric orifices of a nozzle into a mixing chamber. Preferably, the nonsolvent stream is injected centrally of the explosive solution stream. The explosive solution stream is injected downstream of and surrounds the nonsolvent solution stream for a substantial distance prior to being ejected into the mixing chamber.
    • 公开了一种用于生产超细爆炸性颗粒的方法和改进的喷射装置。 当结合到粘合剂体系中的爆炸性颗粒具有以薄片传播的能力,并且具有非常低的冲击灵敏度和非常高的传播灵敏度。 将溶解在溶剂中的溶液的流与惰性非溶剂流充分混合,通过对非溶剂流的流动施加压力,通过获得液流的非层流,从而使流随着爆炸物接触而发散 溶液,并剧烈搅拌合并的流,以迅速沉淀出来的溶液中的爆炸性颗粒呈通常为球形的超细颗粒形式。 两个流体通过喷嘴的连续的同心孔同轴地注入到混合室中。 优选地,非溶剂流在爆炸溶液流的中心注入。 在喷射到混合室之前,将爆炸溶液流注入下游并将非溶剂溶液流包围相当长的距离。
    • 83. 发明公开
    • A DISCONTINUOUS CRYSTALLIZATION UNIT FOR THE PRODUCTION OF BALL-SHAPED CRYSTALS
    • 装置,来生成球状晶体不连续结晶
    • EP3122433A1
    • 2017-02-01
    • EP15707036.8
    • 2015-01-22
    • ERUCA TECHNOLOGIES S.R.O.
    • SOUCEK, MartinMYSIK, JanKUPKA, Jan
    • B01D9/00C01B11/18C06B21/00C06B29/00
    • B01D9/0013B01D9/00B01D9/0009B01D9/0036B01D9/0063B01D2009/0086C06B21/0066C06B29/22
    • The invention introduces a discontinuous crystallization unit for the production of ball-shaped crystals comprising a crystallizer (1) that consists of a metallic cylindrical vessel with its inner surface of a hard material, with an oval or circular cross-section with a conical or vaulted bottom (12), fitted along its length with a duplicator (4) for cooling of the solution and/or suspension of the solution and crystals and a high-speed agitator (8) of a hard material with a drive (9) enabling speed control and thus the rate of the impact of the mechanical action of the agitator on roundness of crystals inside the vessel together with the inner surface of the vessel containing at least 2 baffles (5) of a hard material while the vessel is fitted with at least 1 orifice (10) at the top that at least independent branch of the circulation circuit (11) is connected to from the outside for the inlet of a heated solution and/or heated suspension of the solution and crystals by means of at least 1 circulation pump (2) and through at least 1 heat exchanger (3) and together with the duplicator (4) ensuring controlled periodic changes of temperatures of the crystal suspension around the cooling curve while an interconnection (13) pipeline is connected to the bottom (12) of the crystallizer (1) vessel that is connected to at least one branch of the circulation circuit (11).
    • 本发明引入的不连续的结晶单元用于生产球状晶体,在椭圆形或圆形横截面的锥形或拱形的,其包括结晶器(1)与硬质材料的在其内表面做了金属制的圆筒容器的besteht,用 底部(12),沿其长度配有复制(4),用于与驱动装置(9),使速度的硬质材料的溶液和晶体和高速搅拌器(8)的溶液和/或悬浮液的冷却 控制并且因此的搅拌器的机械作用对晶体的圆度的容器内的冲击一起与含有至少两个挡板的容器的内表面速率(5)的硬质材料制成,而容器装有至少 在最上面的一个孔口(10)所做的循环回路中的至少独立的分支(11)被从外部连接到用于在LEA加热的溶液和结晶的装置的加热的溶液和/或悬浮液的入口 ST 1循环泵(2)和通过至少一个换热器(3),并用复印机(4)一起确保冷却曲线周围的晶体悬浮液的温度的控制的周期性变化,而在互连(13)的管道被连接到 结晶器(1)容器的底部(12)并连接到循环回路(11)的至少一个分支。
    • 86. 发明公开
    • Verfahren zur Herstellung feinpartikulärer Explosivstoffe
    • 威尔法罕zur HerstellungfeinpartikulärerExplosivstoffe
    • EP1090894A1
    • 2001-04-11
    • EP00121747.0
    • 2000-10-05
    • Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    • Teipel, UlrichKrause, Horst, Dr. rer. nat.Kröber, Hartmut, Dipl.-Ing.Förter-Barth, Ulrich, Dipl.-Ing.
    • C06B21/00B01J2/04
    • B01J2/04B01J2/18C06B21/0066C06B21/0091
    • Zur Herstellung feindisperser kristalliner Explosivstoffe wird der Explosivstoff in einem organischen Lösungsmittel in Lösung gebracht, die Lösung in ein mit dem Lösungmittel mischbares überkritisches Fluid, in welchem der Explosivstoff nicht löslich ist, eingesprüht, das Lösungsmittel unter Auskristallisieren der Explosivstoff-Partikel von dem überkritischen Fluid aufgenommen und werden die Explosivstoff-Partikel nach Expandieren in einen für das überkritische Fluid unterkritischen Zustand abgetrennt. Die Lösung wird in einer Düsenströmung in das überkritsche Fluid eingesprüht, wobei die Lösung mittels einer Mehrstoffdüse oder durch einen Düsenkanal einer Mehrstoffdüse in das überkritische Fluid eingesprüht wird, während in einem weiteren Düsenkanal der Mehrstoffdüse ein Fluid zugeführt wird. Mit diesem Verfahren werden feine Explosivstoffpartikel mit definierter mittlerer Partikelgröße, enger Partikelgrößenverteilung und hoher Schüttdichte erhalten.
    • 生产细分散的结晶炸药包括将炸药置于溶液中的有机溶剂中; 将溶液喷洒到超临界流体中; 通过爆炸性颗粒结晶的超临界流体吸收溶剂,并在液体超临界状态下膨胀后除去颗粒。 生产细分散的结晶炸药包括将炸药置于溶液中的有机溶剂中; 将溶液喷洒到部分可混溶的超临界流体中,其中爆炸物不是或仅微溶; 通过爆炸性颗粒结晶的超临界流体吸收溶剂,并在液体超临界状态下膨胀后去除颗粒。 使用多个材料喷嘴或通过多个材料喷嘴的喷嘴通道将溶液喷射到超临界流体中,同时将流体引入到喷嘴的另外的喷嘴通道中。 优选特征:超临界流体为CO2,N2O,N2,H2O,NH3,CHnX4-n(其中0≤n≤3)或C2HmX6-m(其中0≤m≤5)。
    • 90. 发明公开
    • Process for the preparation of gas-generating compositions
    • Verfahren zur Herstellung von gaserzeugenden Zusammensetzungen
    • EP0735013A1
    • 1996-10-02
    • EP96301454.3
    • 1996-02-29
    • IMPERIAL CHEMICAL INDUSTRIES PLCICI CANADA INC.
    • Chan, Sek KwanHsu, Noel Yu WeeOliver, Ray
    • C06B21/00C06D5/06
    • C06B21/0091C06B21/0066C06D5/06
    • A process for the production of a gas-generating composition containing a redox-couple including a water soluble azide component, for example, azide of sodium, potassium, lithium, calcium or barium, and an oxidizer component, for example, sodium nitrate, sodium perchlorate, potassium nitrate, potassium perchlorate or an oxide of iron, nickel, vanadium, copper, titanium, manganese, zinc, tantalum, silicon or aluminium, said oxidizer component being capable of reacting with said azide component to generate gas, said process comprising the steps of:
         forming an aqueous dispersion of the redox-couple wherein the azide component is totally dissolved and the oxidizer is uniformly dispersed and stabilised in the azide solution;
         passing said aqueous dispersion through a spray nozzle to form a stream of droplets; and
         contacting said droplets with hot air whereby the water is removed to produce solid particles of gas-generating composition.
    • 制备含有包含水溶性叠氮化物组分,例如钠,钾,锂,钙或钡的叠氮化物和氧化剂组分的氧化还原对的气体发生组合物的方法,例如硝酸钠,钠 高氯酸盐,硝酸钾,高氯酸钾或铁,镍,钒,铜,钛,锰,锌,钽,硅或铝的氧化物,所述氧化剂组分能够与所述叠氮组分反应产生气体,所述方法包括 步骤:形成氧化还原对的水分散体,其中叠氮组分完全溶解,氧化剂在叠氮化物溶液中均匀分散稳定; 使所述水分散体通过喷雾嘴形成液滴流; 并使所述液滴与热空气接触,由此除去水以产生气体发生组合物的固体颗粒。