17results about How to "Improve detonation performance" patented technology

The invention relates to gem-dinitrobitetrazole and ammonium salt thereof, a preparation method and application, and belongs to the technical field of energetic materials. The molecular formula of the gem-dinitro bistetrazole is C4H2N12O8, and the molecular formula of the gem-dinitro bistetrazole diammonium salt is C4H8N14O8. Bitetrazole reacts with NaOH and bromoacetone to obtain isomers of three diacetone bitetrazole compounds, and gem-dinitrobitetrazole can be obtained by adopting three different nitration methods. And reacting the gem-dinitro bistetrazole with ammonia water to prepare the gem-dinitro bistetrazole diammonium salt. The density of the two is more than 1.85 g / cm < 3 >, the oxygen balance is close to 0, the detonation performance is good, the explosive does not contain halogen, has the characteristics of greenness and high energy, and is a good high explosive.

The invention discloses a manufacturing method of an emulsion explosive. The emulsion explosive comprises a water-phase component, an oil-phase component and an additive, the water-phase component comprises ammonium nitrate, calcium nitrate, sodium nitrate and water; the oil phase component comprises fuel oil, paraffin and an emulsifier; the additives comprise a microbubble agent, a plasticizer and an anti-freezing agent; the method further comprises manufacturing equipment for manufacturing the emulsion explosive and manufacturing steps of the emulsion explosive. The manufacturing equipment comprises a four-station turntable, a five-station turntable, a mixing assembly, a treatment tank A assembled on the four-station turntable and a treatment tank B assembled on the five-station turntable, the preparation method comprises the steps of oil phase preparation, water phase preparation, emulsification and cooling. The emulsion explosive provided by the invention has excellent product performance, the emulsification efficiency and the automation degree during emulsion explosive manufacturing can be effectively improved through the manufacturing equipment and the manufacturing method, and the input cost of labor force is reduced.

The invention belongs to the technical field of hazardous waste resource utilization, and particularly relates to a preparation method and application of a solid organic reducing agent. The preparation method of the solid organic reducing agent comprises the following steps: firstly, constructing a liquid reactant matrix with an organic matter as a main component; adding the organic hazardous wastes into the constructed liquid reactant matrix, and reacting to obtain a mixed product; and finally, cooling the mixed product to prepare powder to obtain the solid organic reducing agent. The solid organic reducing agent can be used as a reducing agent component in composite energetic materials such as explosives, gunpowder and fireworks, and can also be used as a fuel in combustion equipment. The method has the technical effects that organic hazardous wastes in different states can be converted into solid combustible powder, the energy density and the combustion speed of the solid combustible powder can be remarkably improved, the treatment process is short, the cost is low, no three wastes are generated, and the universality is high.

The invention discloses a preparation method of 3-(4-nitrofurazan-3-oxymethyl)-3-azido methyl oxetane, which comprises the following steps: reacting 3, 3-dibromomethyl oxetane with sodium azide under a mild condition to obtain an intermediate 3-bromomethyl-3-azido methyl oxetane; and then heating with 3-nitro-4-hydroxyfurazan in a cheap and environment-friendly inorganic alkaline solvent system in the presence of a catalytic amount of a phase transfer catalyst to obtain a target product. The product disclosed by the invention has good detonation performance and insensitive characteristic, also has the functions of a melt-cast explosive liquid-phase carrier, a monomer plasticizer and a single-compound explosive, can be polymerized to be used as a structural energetic material or an energetic adhesive, and has a considerable application prospect.

The invention relates to a large-range striking device capable of increasing energy and efficiency by using environmental components, belongs to the technical field of ammunition, and solves the technical problem that the dispersing range of a fuel air explosive is small due to the fact that diffusion power of the fuel air explosive dispersed by a fuel air explosive striking device in the prior art is attenuated quickly. The device comprises a shell, a supporting frame, a throwing device and a medicine bag, the supporting frame is installed in the shell, the throwing device and the medicine bag are both installed on the supporting frame, and the throwing device is used for throwing the medicine bag in the radial direction of the supporting frame; the medicine bag is filled with a fuel air explosive, when the medicine bag is thrown out of the supporting frame, the medicine bag can throw out the fuel air explosive filled in the medicine bag, and the fuel air explosive is mixed with air to form a medicine air cloud cluster. According to the device and the method, the cloud explosive is scattered in a child-mother mode, the scattering range of the cloud explosive is expanded, the coverage area of a target area is increased, and then the coverage effect of the scattered cloud explosive on the target area and the detonation effect of the scattered cloud explosive on the target area are improved.

The invention discloses a multi-azido heterocyclic energetic compound with a structural formula I, the chemical formula of the multi-azido heterocyclic energetic compound is C5N12, and the multi-azido heterocyclic energetic compound is prepared by reacting 2, 4, 6-trichloro-5-cyanopyrimidine with sodium azide in a solvent. The multi-azido heterocyclic energetic compound disclosed by the invention has good thermal stability and detonation performance, and the detonation pressure is 23.6 GPa and the detonation velocity is 7197m. S <-1 > calculated by EXPLO5. # imgabs0 #

The invention discloses a high-power primer containing decommissioned, disassembled and recycled propellants and explosives and an assembly process of the high-power primer, and particularly relates to the technical field of detonation. The high-power primer comprises a shell, a chassis, a gathering hopper and a compression gathering mechanism; the compression gathering mechanism comprises a main pipe, a supporting rod, a flow guide sleeve, a guide sleeve, a compression sleeve, a guide discharge head, a plurality of auxiliary gathering pipes, a supporting rod and a guide compression sleeve; a distribution gathering detonation mechanism is arranged on one side of the supporting rod; and meanwhile, an opening gathering switching mechanism is mounted on one side of the outer wall of the shell. The compression gathering mechanism is adopted, and the compression gathering mechanism has the advantages that compressed materials are squeezed to the periphery of the inclined rod along the squeezing sleeve and then obliquely compressed and gathered to the outlet of the main pipe along the inclined compression sleeve, high-pressure explosion is gathered, the explosive power is larger, and the detonation effect is better, so that the problems that the detonation power is excessively dispersed, high-power detonation is difficult to achieve in a concentrated mode, and the detonation efficiency is high are solved. The explosive power is small, and the detonating effect is poor.

The invention provides a self-initiating high-power high-energy liquid fuel and a preparation method thereof. The self-initiating high-power high-energy liquid fuel comprises the following components in percentage by weight: 10-50wt% of aluminum alkyl; 40 to 75 wt% of a main fuel; 10 to 35 wt% of an oxygenated fuel; the main fuel is one or more of chain hydrocarbon compounds and cyclic hydrocarbon compounds; the oxygen-containing fuel is polyoxymethylene dialkyl ether. According to the high-energy liquid fuel provided by the invention, the aluminum alkyl is used for providing detonation temperature, the aluminum alkyl is dissolved in the main fuel and does not settle, aggregate or deteriorate after long-term storage, and the high-energy liquid fuel has good storage stability; and the aluminum alkyl has lower detonation energy and higher combustion energy, so that the detonation temperature of the high-energy liquid fuel can be effectively ensured. The polyoxymethylene dialkyl ether not only ensures the oxygen content of the fuel, but also can improve the burning and explosion rate of the high-energy liquid fuel, better exerts the energy of the high-energy liquid fuel, and further improves the burning and explosion performance of the high-energy liquid fuel.

The invention discloses a heat-resistant fluorescent active energetic compound and a synthesis method thereof, wherein 2-(amino(4-amino-1,2,5-oxadiazole-3-yl)methylene)malononitrile is used as a raw material, and then subjected to cycloaddition with sodium azide and further cyclization to obtain 6-(1 H ‑tetrazolyl‑5‑yl)‑[1,2,5]oxadiazole[3,4‑ b ]pyridine-5,7-diamine. The present invention also discloses a heat-resistant fluorescent active energetic material obtained based on the above method, the molecular formula of which is C6H5N9O and the density is 1.801 g∙cm ‑3 The thermal decomposition temperature is as high as 311℃, the impact sensitivity is >40 J, and the theoretical detonation velocity is 8012 m∙s ‑1 , explosion pressure 29 GPa, can be used as fluorescent explosion marker or high energy filler or additive to make energetic materials easy to detect. The invention has the advantages of simple synthesis, high yield, good comprehensive performance, etc.

The invention belongs to the technical field of blasting, and particularly relates to a blasting oxygenation device and method adaptive to a plateau low-oxygen environment, the device aims at solving the problem that explosive blasting reaction is incomplete in the plateau hypoxia environment, the device comprises a charging bag placed in a blasting hole, an oxygenation device, a partition device and a sealing plug, the oxygenation device is provided with a shell and a liner bag, and the liner bag is provided with an opening. The inner container bag stores oxygen, the partition device is composed of an upper cover plate and an annular air bag, the oxygen increasing device and the partition device are arranged between every two vertically adjacent charging bags, the sealing plug is located at the top of the blast hole, and when the charging bags are detonated, generated shock waves can enable the inner container bag of the oxygen increasing device to be broken to release oxygen, and meanwhile the annular air bag of the partition device is pushed to expand to seal the hole wall. According to the device, oxygen release and sealing are triggered by means of explosion energy, oxygen is supplemented for a reaction area at the moment of explosion, oxygen is prevented from overflowing, and the plateau explosion effect can be improved.

The invention discloses a 6, 8-dinitroquinazoline-2, 4 (1H, 3H)-diketone energetic compound and a synthesis method of the 6, 8-dinitroquinazoline-2, 4 (1H, 3H)-diketone energetic compound. The structural formula of the 6, 8-dinitroquinazoline-2, 4 (1H, 3H)-diketone is # imgabs 0 #, 4-amino-6, 8-dinitroquinazoline-2, 4-diamine is subjected to nitration reaction in a nitration reagent to generate 4-amino-6, 8-dinitroquinazoline-2 (1H)-ketone, then the 4-amino-6, 8-dinitroquinazoline-2 (1H)-ketone is dissolved in an organic solvent, an alkaline solution is added, reaction is performed to generate the 6, 8-dinitroquinazoline-2, 4 (1H, 3H)-diketone, and the 6, 8-dinitroquinazoline-2, 4 (1H, 3H)-diketone is prepared. (3H, 3H)-diketone. The 6, 8-dinitroquinazoline-2, 4 (1H, 3H)-diketone provided by the invention has good detonation performance, excellent thermal decomposition temperature, impact sensitivity and friction sensitivity, and has application potential as a heat-resistant insensitive material.

To address the limitations of existing pulse detonation combustors using detonation jet ignition, which require long jet tubes and thus restrict the increase of their operating frequency, and the dependence of stable operation of pulse detonation turbine engines on the performance and reliability of the igniter, this invention proposes a pulse detonation combustor based on rotating detonation wave ignition. This invention utilizes the relatively high frequency of rotating detonation combustion and the requirement for only a single ignition. The rotating detonation wave generated by the rotating detonation chamber serves as a continuous high-energy ignition source, igniting the explosive mixture within the detonation jet channel. This creates a high-energy detonation jet at the channel's exit, which then flows into the pulse detonation tube and ignites the explosive mixture within. This invention, while maintaining the excellent initiation performance of the detonation jet ignition method, overcomes the adverse effects of long jet tubes and high-frequency ignition on the efficient and stable operation of pulse detonation turbine engines.

The invention provides a high-energy liquid fuel suitable for a high-altitude environment and a preparation method of the high-energy liquid fuel. The high-energy liquid fuel comprises the following components: 15-55 wt% of chain ether; 5 to 75 wt% of an alkylene oxide; and 10-40 wt% of an organic aluminum compound. According to the invention, the organic aluminum compound can be well dissolved in chain ether and alkylene oxide, can effectively prolong the preservation time, can be stored for a long time under the condition of air isolation without sedimentation, aggregation or deterioration, and has good storage stability; and the organic aluminum compound has relatively low detonation energy and relatively high combustion energy, so that the detonation temperature of the high-energy liquid fuel is ensured. Therefore, the high-energy liquid fuel provided by the invention has the advantages that the stability and the combustion performance are well balanced, the burning and explosion rate of the high-energy liquid fuel can be improved in a plain area, and the energy of the high-energy liquid fuel can be better exerted; in a high-altitude area, the detonation effect in a high-altitude oxygen-deficient environment can be enhanced, and the detonation performance of high-energy liquid fuel is improved.

The invention relates to the field of energetic materials, in particular to an implementation method of a high-burning-rate compound. The molecular formula of the high-burning-rate compound is C6H16N2 (NH4) (ClO4) 3, compared with DAP-4, the distance between C-O and N-O of the high-burning-rate compound is shorter, and the reduction of the spacing between atoms can aggravate the redox reaction between HDX-1 atoms, so that the burning reaction process is more violent, and the burning rate of the molecular perovskite energetic material is improved. The preparation process is mild in condition, safe, environmentally friendly and easy to amplify, and has a good application prospect in the field of high-burning-rate propellants.

The invention discloses a preparation method for electrochemical in-situ synthesis of a Cu / DNBT film, and belongs to the technical field of initiating explosive device micro charge. The method comprises the following steps: synthesizing DABT, synthesizing DNBT, modifying the surface of a Cu substrate, and synthesizing the Cu / DNBT film in situ through electrochemistry. The preparation method is scientific and reasonable in design, simple and convenient to operate, short in preparation time and good in safety, the surface of the Cu substrate is modified to be covered with a layer of nanoscale Cu (OH) 2 film, the copper foil plated with the blue nanoscale Cu (OH) 2 film serves as an electrochemical anode, metal ions are provided to be subjected to a coordination reaction with DNBT, and finally the Cu / DNBT film is synthesized on the copper foil.

The invention discloses a 1, 2-bis (5-azido-3-nitro-1, 2, 4-triazole) diazene compound and a synthesis method of the 1, 2-bis (5-azido-3-nitro-1, 2, 4-triazole) diazene compound. A synthesis process of the 5-azido-3-nitro-1, 2, 4-triazole derivative comprises the following steps: (1) sequentially reacting 5-azido-3-nitro-1, 2, 4-triazole with sodium hydroxide, monopotassium phosphate and hydroxylamine-O-sulfonic acid to generate 5-azido-3-nitro-1, 2, 4-triazole-1-amine; and (2) carrying out a coupling reaction on the 5-azido-3-nitro-1, 2, 4-triazole-1-amine under the action of tert-butyl hypochlorite to generate the 1, 2-bis (5-azido-3-nitro-1, 2, 4-triazole) diazene. The 1, 2-bis (5-azido-3-nitro-1, 2, 4-triazole) diazene synthesized by the method has excellent detonation performance, and has an application prospect in the field of energetic materials.