365results about "Explosive working-up apparatus" patented technology

The utility model relates to the technical field of emulsion explosive sensitization, in particular to an emulsion explosive sensitization auxiliary component which comprises a bottom plate, the device comprises a bottom plate, a stirring tank, liquid storage tanks, weighing sensors, a weighing plate, an annular baffle, a first material baffle, a first electric push rod, a through hole and a liquid outlet pipe, the stirring tank is connected to the top of the bottom plate, the liquid storage tanks are connected to the front end and the rear end of the left side of the top of the stirring tank, the weighing sensors are installed at the bottoms of the interiors of the liquid storage tanks, and the upper ends of the weighing sensors are connected with the weighing plate. The interior of the liquid storage tank is connected with an annular baffle; through the arrangement of the liquid storage tank, the weighing sensor, the weighing plate, the annular baffle plate, the material baffle plate I, the electric push rod I and the through hole, when a sensitizer and an accelerant need to be quantitatively added, the electric push rod I can drive the material baffle plate I to open or close the through hole, and a medicament can be quantitatively weighed in cooperation with the weighing sensor; after weighing is completed, the emulsion explosive can be quantitatively added into the stirring tank through the liquid outlet pipe, and the sensitization quality of the emulsion explosive is guaranteed.

The invention belongs to the technical field of solid propellants, and particularly relates to a propellant containing active metal fuel and a preparation method of the propellant. 3.0-4.0% of a plasticizer; 0.3-0.4% of a curing agent; 0.1%-2.0% of a combustion rate regulator; 0.01%-0.5% of a bonding agent; 15-19% of an active metal fuel; 10-18% of a nitramine explosive; the metal fuel is an aluminum-gallium metal alloy, and the aluminum-gallium metal alloy is an aluminum-gallium metal alloy of which the outer layer is coated with an aluminum film. The propellant provided by the invention has the advantage of high combustion efficiency, and can meet the requirement of a solid rocket engine on the high energy performance of the propellant.

The utility model relates to the technical field of gunpowder column production equipment, in particular to a bidirectional gunpowder pressing die which comprises a die sleeve, an upper punch and a lower punch are arranged in the die sleeve, the upper punch is movably arranged at the upper end of the die sleeve, so that a pressing cavity used for containing and pressing gunpowder columns is formed between the upper punch and the lower punch, and the lower punch is movably arranged at the lower end of the die sleeve. An explosive pressing limiting piece is detachably arranged between the lower punch and the die sleeve, the explosive pressing limiting piece is used for limiting the distance that the lower punch penetrates into the die sleeve when the gunpowder grain is pressed for the first time, and the explosive pressing limiting piece is detached after the gunpowder grain is pressed for the first time, so that the lower punch can conduct second-time feeding into the pressing cavity to achieve second-time pressing of the gunpowder grain; the gunpowder grain is pressed in two times through upper punching and lower punching, and the gunpowder grain is pressed in two times through the gunpowder grain upper end and the gunpowder grain lower end, so that the density of the gunpowder grain formed through pressing is more uniform than that of a gunpowder grain formed through single-time pressing, and the detonation performance of the gunpowder grain is improved.

The invention discloses a low-sensitivity activator as well as a preparation method and application thereof, and belongs to the technical field of gas fracturing. Potassium perchlorate is used as an oxidizing agent of the low-sensitivity activator, flour is used as a combustible agent of the low-sensitivity activator, and the mass ratio of the potassium perchlorate to the flour in the low-sensitivity activator is (50-70): (10-20). The low-sensitivity activator provided by the invention has the advantages that the mechanical sensitivity, flame sensitivity and static sensitivity of the low-sensitivity activator are at extremely low levels, and the low-sensitivity activator has excellent stability and higher ignition temperature; related tests carried out according to the Program on Dangerous Goods Transport of the United National further show that the activator not only has remarkable gas production rate, but also shows extremely low sensitivity to shock waves, the insensitive characteristic of the activator is even superior to that of a conventional insensitive explosive, and practical application verification shows that the cracking effect of the activator is completely not lower than the level of a metal powder activator.

The invention provides a lead salt modified 5-aminotetrazolyl gas generating agent with low combustion temperature and high combustion rate and a preparation method thereof, the gas generating agent comprises 5-aminotetrazole, strontium nitrate and lead salt, and the mass ratio of the lead salt is 5-10%. According to the invention, the 5-aminotetrazolyl gas generating agent is modified, so that the temperature of the gas generating agent can be reduced, the burning speed can be improved, and the applicability of the gas generating agent as a solid propelling type fire extinguishing device is enhanced.

The invention provides an energetic complex K-BTE and a continuous preparation method and application thereof.The continuous preparation method comprises the steps that 1, 2-bis (tetrazole-5-yl) ethane serves as an initial raw material, a ligand solution and a metal ion salt solution are continuously injected into a continuous flow reaction unit through an injection pump, and energetic complex crystals are obtained through filtering, washing and drying; a novel energetic complex preparation method which is simple and continuous in process and mild in reaction condition is developed, the energetic complex K-BTE which is novel in structure and excellent in comprehensive performance is prepared for the first time, and the energetic complex K-BTE has the characteristic of high thermal stability and also has the advantages of being simple and efficient in process method and safe and controllable in process; the thermal decomposition temperature of K-BTE reaches up to 366.5 DEG C, the actually measured impact sensitivity is greater than 40J, the friction sensitivity is between 240N and 360N, and meanwhile, the thermal decomposition of ammonium perchlorate is catalyzed. Due to the excellent performance of the K-BTE, the K-BTE has huge application potential in the field of catalyzing the combustion efficiency of solid propellants as an energetic complex.

The utility model relates to automatic equipment suitable for mixing and pressing various gunpowder, which is characterized in that a gunpowder pressing mold is fed into a gunpowder charging mechanism through a grabbing robot, and the gunpowder output by a gunpowder charging and feeding device is poured into the gunpowder pressing mold after being weighed by a gunpowder charging and weighing assembly; when multiple kinds of medicine powder are mixed and dispensed, the medicine dispensing measuring cup is conveyed into the corresponding medicine dispensing mechanism through the grabbing robot, the medicine powder output by the medicine dispensing and dosing device is weighed by the medicine dispensing and weighing assembly and then poured into the medicine dispensing measuring cup, the medicine dispensing measuring cup is conveyed to the medicine mixing station through the grabbing robot, and the mixed medicine powder is poured into the corresponding medicine pressing mold. The medicine pressing molds are conveyed into the corresponding medicine dispensing mechanisms through the grabbing robot, and medicine powder output by the medicine dispensing and feeding device is poured into the medicine pressing molds after being weighed by the medicine dispensing and weighing assembly. According to the utility model, accurate weighing and charging of single powder, accurate weighing and charging of various powder and accurate mixing, dispensing and charging of various powder can be realized, and the use flexibility and the automation level are both improved.

According to the functional grain pressing device, after the last charging process is completed on the lower die, resetting treatment is conducted on the lower die resetting mechanism, the lower die is conveyed to the lower die cleaning mechanism to be cleaned, then a release agent is sprayed in the powder spraying mechanism, the charging mechanism quantitatively charges the lower die sprayed with the release agent with the powder, and the lower die is conveyed to the lower die cleaning mechanism to be cleaned. After the upper die cleaning mechanism cleans the upper die, the upper die is inserted into the lower die, acting force is applied through the lower die driving mechanism, medicine in the lower die is pressed, the medicine column is manufactured, the lower die and the upper die are respectively cleaned, so that the surfaces of the upper die and the lower die are kept clean, and the situation that medicine left in last charging is mixed into subsequent medicine is avoided; the problem that excessive floating powder is generated when powder is pressed on existing mold pressing equipment is solved, and the consistency of the powder of the powder column is kept.

The invention belongs to the technical field of ammonium perchlorate modification, and particularly relates to a low-sensitivity ammonium perchlorate composite material and a preparation method thereof. The preparation method of the composite material comprises the following steps: (1) mixing diethanol amine and an insensitive material to obtain a coating material; (2) adding a part of ammonium perchlorate into a stirrer according to a sandwich type feeding method, spreading the bottom of the stirrer, adding a coating material, finally adding the rest ammonium perchlorate, lifting a stirrer material cylinder, and starting a stirring reaction when the bottom of a stirring paddle is about to touch the material; and (3) after the reaction is finished, stirring and cooling the reaction system to obtain the ammonium perchlorate composite material with low friction sensitivity and impact sensitivity. The process provided by the invention is suitable for preparing low-sensitivity ammonium perchlorate with various particle sizes, has the advantages of simple process flow, good reproducibility, easiness in amplification and almost no pollution to the environment, and does not influence the performance of ammonium perchlorate while reducing the sensitivity of ammonium perchlorate.

The invention discloses a low-combustion-temperature oxygen-deficient high-pressure-index rich-combustion fuel gas generating agent which comprises the following components in percentage by mass: 50-70% of an oxidizing agent; 12%-30% of hydrocarbon solid fuel; 0-2.5% of a combustion rate regulator; 9%-17% of an adhesive; 0-3.5% of a plasticizer; and 0.7-1.3% of a curing agent. The invention also discloses a preparation method of the fuel gas generating agent. According to the low-combustion-temperature oxygen-poor type high-pressure-index rich-combustion gas generating agent, the gas temperature ranges from 1100 K to 1600 K, the pressure index ranges from 0.5 to 0.8, the oxygen coefficient ranges from 0.3 to 0.45, the total molar ratio of rich-combustion gas ranges from 60% to 84.8%, rich-combustion gas is provided for a rotary detonation engine, and a power source is provided for a solid attitude and orbit control engine.

This invention provides a three-layer composite fuel consisting of boron-supported elemental metal and metal oxide, and its preparation method. The middle layer is an elemental Mo layer, and the surface layer is a dense NbOx or TiO2 thin film oxide layer. The NbOx or TiO2 thin film oxide layer can completely cover the elemental Mo layer. This invention uses atomic layer deposition (ALD) to deposit elemental Mo on the surface of boron particles to prepare a B@Mo composite material. To prevent oxidation of the surface Mo, an in-situ preparation method is used to deposit a dense NbOx or TiO2 thin film of a certain thickness on the Mo film surface via ALD. This NbOx and TiO2 film effectively isolates oxygen from the air, effectively preventing the oxidation of the Mo film. In the composite fuel, elemental Mo not only improves the combustion efficiency of boron particles but also effectively increases the heat release of the composite fuel. The NbOx and TiO2 films not only isolate oxygen but also have a catalytic effect, significantly improving the combustion performance of the composite fuel.

The present application relates to the technical field of energetic material processing, in particular to an energetic material processing method, which comprises: disassembling and cleaning energetic materials to obtain chemical agent decontamination water, solid energy substance and metal parts; adding first lye and organic solvent to the chemical agent decontamination water, stirring and reacting to obtain chemical hydrolysis liquid; performing first energy hydrolysis reaction on the solid energy substance to obtain pretreated energy hydrolysis liquid; performing stability analysis on the pretreated energy hydrolysis liquid; if the stability meets the requirements, adding metal precipitant, filtering and processing to obtain energy hydrolysis liquid; if the stability does not meet the requirements, performing second energy hydrolysis reaction on the pretreated energy hydrolysis liquid, adding metal precipitant, filtering and processing to obtain energy hydrolysis liquid; mixing the chemical hydrolysis liquid and the energy hydrolysis liquid, and performing supercritical water oxidation processing and salt removal processing. The method provided by the present application is safer and more reliable.

The invention relates to a method for extracting propellant (18) from a charged propellant body (12), said charged propellant body (12) comprising an elongated structure (14) with principal axis A, which is an element of revolution about said principal axis (A), and within said structure, the propellant (18) is located. The extraction method consists of using at least one nozzle (24) producing a jet (28) of liquid that erodes the propellant (18), characterized in that the liquid jet (28) is a flat jet and in that the nozzle (24) follows a helical trajectory coaxial with the principal axis A during the extraction of the propellant (18). Figure 2

The utility model relates to automatic wrapping equipment for the surface of a grain body, and belongs to the field of equipment manufacturing. The device comprises a grain taking and placing device (1), a grain conveying device (2), a grain positioning device (3), a glue mixing assembly (4), a grain rotating device (5), a workbench (6), a control box (7), a polyamide storage device (8), an epoxy resin storage device (9), a precision gear pump (10) and a cleaning device (11). The utility model has the beneficial effects that the production efficiency and the product quality are improved, the labor intensity of production personnel is reduced, the potential safety hazard of production is avoided, and the life and property safety of the labor personnel is guaranteed. According to the coating mode, a reasonable mechanical structure and tool design are adopted, and uniform coating of colloid on the surface of an object is achieved in an automatic control mode.

The present invention relates to the apparatus for destroying materials comprising explosophore moieties comprising a reactor within which a container is arranged, wherein the reactor is closed by means of closing means, wherein at least one end of the reactor is connected to a vacuum system, and wherein at least one heater, at least one temperature sensor and at least one temperature controller are attached to the reactor. Another object of the invention is a method of destroying materials containing explosophore moieties.

The invention provides a DFDNTN / TNAZ eutectic substance and a preparation method thereof, DFDNTN and TNAZ are weighed in proportion in an alumina crucible of DSC (Differential Scanning Calorimetry) according to the total amount of 5mg, a test is carried out under the conditions that nitrogen is used as an atmosphere and the heating rate is 10k / min in DSC thermal analysis, the temperature is raised to 150 DEG C which is higher than the melting point of any single component, and one sample is circulated for three times, so that the samples can be uniformly mixed. DSC curves of different heating rates are obtained. When the ratio of DFDNTN to TNAZ is 4: 6, the melting point is 88 DEG C. According to the method, the eutectic point can be quickly found by using a trace amount of samples, and the eutectic substance and the high-energy component (RDX) are mixed by adopting a micro-heat thermal instrument, so that the thermal behavior between the eutectic substance and the high-energy component is researched. The melting point of the eutectoid prepared by the invention is reduced, so that the energy characteristic, the mechanical sensitivity and the decomposition temperature of the eutectoid are between those of two single components, and the volatility of TNAZ can be effectively relieved.

The invention discloses a composite propellant containing a high-nitrogen ferrocene derivative and a preparation method of the composite propellant. The composite propellant is prepared from the following components: 14.05% of hydroxyl-terminated polybutadiene (HTPB), 7.03% of diisooctyl sebacate (DOS), 0.92% of 2, 4-toluene diisocyanate (TDI), 1% of the high-nitrogen ferrocene derivative, 59% of ammonium perchlorate (AP) and 18.00% of aluminum powder (Al). N, N-dimethylaminomethylferrocene in the three high-nitrogen ferrocene derivatives has the effects of improving the burning rate of the composite propellant and reducing the pressure index as the ferrocene derivative, nitrate, picric acid, 3-nitro-1, 2, 4-triazole-5-ketone and the like are rich in C, H, O and N elements, and are similar to oxidizing agents such as typical components ammonium nitrate, HMD and the like in the composite propellant; the fuel can be decomposed to provide energy for propellant combustion; the propellant has a low combustion rate pressure index in a pressure range of 1-10 MPa, and has more excellent combustion stability.

The utility model relates to explosive slurry's vacuum drying cabinet technical field, and disclose a kind of for explosive slurry's vacuum drying cabinet, including drying cabinet, the lid door of drying cabinet one side rotation connection, the pressure gauge and suction pipe of drying cabinet upper side setting, the drying cabinet inside is provided with drying stirring mechanism and vacuum filtering mechanism, the vacuum filtering mechanism is arranged in drying stirring mechanism side, the drying stirring mechanism includes motor, the motor is fixedly connected in drying cabinet interior, the motor output end is fixedly connected with socket, the socket inside slidingly connected with plug shaft, the plug shaft outer wall rotationally connected with drying barrel, the plug shaft outer wall is fixedly connected with multiple stirring blades, the vacuum filtering mechanism is used to capture the floating particles in drying cabinet interior, to reduce the dust concentration in drying cabinet interior, the drying stirring mechanism is used to stir explosive slurry, so that explosive slurry can be more evenly dried.

The utility model discloses a granular ammonium nitrate feeding device for an on-site mixed loading explosive truck, which comprises a feed box, a support frame is fixedly arranged on the periphery of the feed box, a discharge port is arranged at the lowest point of the feed box, and a discharge mechanism is arranged outside the discharge port. The discharging mechanism comprises a discharging cover plate covering the discharging port and a plurality of sets of driving connecting rods and driven connecting rods, one end of each driven connecting rod is hinged to one end of the corresponding driving connecting rod in the same set, the other end of each driven connecting rod is hinged to the discharging cover plate, the other end of each driving connecting rod is vertically and fixedly connected with an operating rod, and the operating rod is fixedly connected with the discharging port. The two ends of the operating rod are rotationally connected with the supporting frame in a shaft hole positioning mode, and the operating rod is perpendicularly and fixedly connected with a plurality of operating handles. The device has the advantages of being simple in structure, free of maintenance, convenient to use, low in energy consumption, small in equipment investment and the like.

The invention relates to a safe and environment-friendly microcapsule energetic material and a preparation method thereof, and belongs to the technical field of energetic materials. According to the energetic material, a polymer fluorine polymer / active metal powder mixture serves as a core material and is coated with a polymer wall material through a microencapsulation packaging technology, and the surface of a microcapsule is coated with a nano flame-retardant coating, so that the energetic material with the characteristics of impact resistance, heat resistance, slight smoke, low mechanical sensitivity, high safety and environmental protection is obtained.

The invention relates to the technical field of energetic slurry pouring, in particular to a side-in type vacuum pouring device with weighing and auxiliary leveling functions and a pouring process thereof.The side-in type vacuum pouring device comprises a vacuum pouring cylinder assembly, a vibration leveling assembly, an automatic weighing assembly and a shell fixing tool assembly, the vibration leveling assembly is installed at the bottom in the vacuum pouring cylinder assembly, and the automatic weighing assembly is installed at the bottom in the vacuum pouring cylinder assembly; the automatic weighing assemblies are installed on the periphery of the outer side of the vibration leveling assembly, the shell fixing tool assembly is installed above the vibration leveling assembly, and the vibration leveling assembly is located on the lower portion to drive the shell fixing tool assembly to vibrate longitudinally to promote flowing. The automatic weighing assembly and the vibration leveling assembly are switched to work to achieve switching between pouring and weighing. The problem that the product performance is affected due to the fact that the pouring amount is difficult to control and pouring is uneven in the existing energetic slurry pouring process is solved.

The application relates to a device and a method for regulating residual stress of propellant solidification, which comprises a base, a die cylinder arranged above the base, a plurality of stress reduction devices arranged on the outer cylinder wall of the die cylinder along the axial direction of the die cylinder, each stress reduction device comprising a plurality of stress reduction devices uniformly distributed along the circumferential direction of the outer cylinder wall of the die cylinder, each stress reduction device comprising a high-energy acoustic beam transducer and a wedge connected with the emitting end of the high-energy acoustic beam transducer, the end of the wedge away from the high-energy acoustic beam transducer being close to the outer cylinder wall of the die cylinder, a supporting mechanism arranged below the base and provided with a cavity, and a high-energy acoustic beam transducer installed below the base and located in the cavity of the supporting mechanism, the emitting end of the high-energy acoustic beam transducer being connected with a screw rod, and the top of the screw rod extending into a counterbore below the bottom of the die cylinder. The application is suitable for reducing residual stress of propellant.

The utility model relates to the technical field of explosive production, in particular to an explosive feeding and mixing system which comprises a mixing mechanism, a storage bin is installed at the top of the mixing mechanism, a partition plate is welded to the inner wall of the storage bin, a connecting pipe is welded to the bottom of the storage bin, a round hole is formed in the surface of the connecting pipe, and a plurality of through holes are formed in the bottom of the connecting pipe. A control mechanism is arranged outside the connecting pipe, a lead screw is rotationally connected to the bottom of the outer surface of the connecting pipe, and a baffle is in threaded connection with the surface of the lead screw. According to the improved feeding and mixing system, a driving gear of the control mechanism rotates by one circle to drive an outer gear ring and a sleeve to rotate by 60 degrees; the feed opening of the sleeve is driven to intermittently rotate to sequentially align to different circular holes, various raw materials are automatically added, the lead screw rotates to drive the baffle to linearly move up and down, the opening size after the feed opening and the circular holes are overlapped is flexibly adjusted and controlled, the flow speed in the feed process is further controlled, and the feeding amount and the feeding speed of the materials are accurately controlled.

The application relates to the field of explosive production lines, and discloses a modular full-static emulsion explosive production line which comprises a power module, a medicine preparation module, a charging module, a packaging module and a transportable carrier, the power module, the medicine preparation module, the charging module and the packaging module are all packaged by using the carrier; the production line adopts a full-static emulsion process and is configured to realize oil-water phase fusion through a jet shearing principle, the power module, the medicine preparation module, the charging module and the packaging module are independently packaged in standardized containers, and the modules are connected through standardized interfaces (including fluid pipeline interfaces, electrical signal interfaces and mechanical fixing interfaces) with a preset fixed size. The design realizes plug-and-play of the production line, supports multiple logistics modes such as sea transportation, land transportation and railway transportation, greatly reduces the transportation and installation cost of overseas factories, and shortens the production line installation period without complex civil construction and secondary processing.

The utility model discloses reaction equipment for producing a mixed type emulsion explosive emulsifier, and relates to the technical field of reaction equipment for production. The device comprises a mixing box, wherein a mixing mechanism and a feeding mechanism are arranged on the mixing box; the bottom of the mixing box is communicated with a discharging pipe with a valve, the mixing mechanism comprises a motor fixedly connected to the bottom of the mixing box, an output shaft of the motor is fixedly connected with a rotating shaft through a coupler, the top of the rotating shaft extends into the mixing box, and the rotating shaft is rotationally connected with the mixing box. And a rectangular block is fixedly connected to the outer wall of the rotating shaft. By arranging the mixing mechanism, the problems that the reaction is incomplete, the product yield is reduced, byproducts are possibly generated and the performance and the quality stability of an emulsifier are influenced due to the fact that different raw materials are difficult to fully disperse and contact and the local concentration is easy to be too high or too low in the using process of the existing reaction equipment are solved.

The present invention relates to a method and installation for loading boreholes with bulk water-based suspension or watergel type explosives characterized by the sensitization of the product by mixing a non-explosive or low sensitivity suspension matrix with compressed gas (e.g. air) at the end of the delivery hose.

A method includes depositing beads of solid propellant material using additive manufacturing to form a fuel element for a rocket engine, the fuel element including beads of solid propellant material, wherein a combustion port extends through the fuel element, wherein the solid propellant material includes an oxidizer and a binder material.

The utility model belongs to the field of emulsion explosive production, and discloses an oil phase material melting tank for emulsion explosive production, which comprises a heating tank body, a scraper for cleaning an oil phase material on the inner wall of the heating tank body, and a gear and rack mechanism for driving the scraper to move up and down, and the gear and rack mechanism comprises a gear, a rack, a support seat and a motor, the supporting base is in an L shape, the gear is fixed to the rotating shaft, one end of the rotating shaft is fixed to the supporting base through a bearing and a bearing seat, the rotating shaft is driven by the motor, the rack is meshed with the gear and located between the supporting base and the gear, a sliding groove matched with the rack in a sliding mode is formed in the supporting base, and the supporting base is fixedly connected with the fixing clamp through a bolt. The fixing clamp is fixed to the wall of the heating groove body through a T-shaped bolt, the scraper is fixed to the bottom of the rack through a bolt, and one side of the scraper is tightly attached to the inner wall of the heating groove body. According to the device, the four sides of the inner wall of the melting tank can be quickly cleaned, and waste caused by the fact that oil-phase materials remain on the inner wall of the melting tank is avoided.

The invention belongs to the technical field of energetic material preparation, and particularly relates to a method for preparing nano explosive particles based on an acoustic resonance assisted ball milling technology. Comprising the following steps: weighing and measuring acoustic resonance materials; refining explosive particles through acoustic resonance high-frequency vibration; filtering and drying the nano explosive particles; acoustic resonance high-frequency vibration is applied to the refining process of explosive particles, zirconium oxide beads in a ball milling tank collide at a fixed same frequency under the action of same-frequency resonance, so that an efficient and stable working space is formed in a limited space of the ball milling tank, the explosive particles flow among the zirconium oxide beads through ball milling liquid, and the explosive particles are refined. And under the impact and resonance effects of the zirconium oxide beads, the explosive particles are crushed and refined, and finally the nano explosive particles are prepared. According to the invention, the acoustic resonance frequency is highly matched with the characteristics of the zirconia beads, so that a better synergistic effect can be generated, and the nanocrystallization degree of explosive particles is improved; in addition, the application range of the acoustic resonance technology is expanded through the refinement principle.