95 results about "Ammonium chlorate" patented technology

The invention discloses a two-dimensional metal oxide composite reduced graphene oxide burning rate catalyst, which is prepared by the following steps: uniformly grinding glucose, ammonium nitrate and transition metal nitrate, calcining at high temperature to generate a two-dimensional metal oxide nanosheet, mixing the two-dimensional metal oxide nanosheet with surfactant modified reduced graphene oxide powder, and sintering at high temperature to obtain the two-dimensional metal oxide composite reduced graphene oxide burning rate catalyst. And transferring into a high-pressure hydrothermal kettle for solvothermal reaction, so that the reduced graphene oxide and the two-dimensional metal oxide nanosheet are compounded to form the composite burning rate catalyst with a 2D-2D structure. Two two-dimensional materials are compounded through a solvothermal method, the defects of accumulation of reduced graphene oxide and aggregation of the two-dimensional metal oxide due to high surface energy are effectively avoided, meanwhile, the high conductivity of the reduced graphene oxide is utilized, the synergistic catalysis effect of the metal oxide and the carbon material is enhanced, and the performance of the composite material is improved. The composite material has a good catalytic effect on the thermal decomposition process of ammonium perchlorate.

The invention belongs to the technical field of drying, and relates to an ammonium perchlorate drying system and method. The drying system comprises a drying box, a hopper and a drying assembly. A connecting frame is arranged in the drying box, and the drying assembly comprises two transmission rollers rotationally mounted on the connecting frame and a drying belt wound between the two transmission rollers; a feed opening is formed in the hopper, and ammonium perchlorate in the hopper falls onto the drying belt through the feed opening; and a driving assembly is mounted on the drying box. Along with operation of the feeding roller and the drying belt, ammonium perchlorate evenly falls onto the drying belt, ammonium perchlorate accumulation is avoided, ammonium perchlorate can be continuously added to the drying belt along with drying, the drying efficiency can be improved, and dried ammonium perchlorate automatically falls into a collecting box. And the connecting frame vibrates in the length direction of the drying box and swings around the connecting column, so that the ammonium perchlorate on the drying belt is turned over, and the ammonium perchlorate is fully and comprehensively dried.

The invention discloses a preparation method of an ammonium perchlorate microrod with a uniform morphology. The preparation method comprises the following steps: firstly, heating a triethylene glycol saturated solution of ammonium perchlorate under a room temperature condition to a preset high temperature; then adding the high-temperature ammonium perchlorate saturated solution into an acetic acid anti-solvent at a certain temperature at a certain feeding rate for recrystallization; and finally, standing, separating, washing and drying the product to obtain the ammonium perchlorate microrod. The obtained ammonium perchlorate microrod is regular in morphology, good in dispersity and uniform in size, the length is 40-60 microns, and the width is about 10 microns. The method has the advantages of being high in operability, good in repeatability, easy to industrialize and the like.

A method for recovering ammonium perchlorate from a solid composite propellant, the method being carried out at a temperature of less than 50° C. involving maceration of solid composite propellant fragments in the form of an aqueous suspension, the method being terminated when the ionic conductivity in the aqueous suspension reaches a stabilized value, of less than 60 mS / cm.

The present invention belongs to the technical field of palletizing on a packaging line and relates to a palletizing manipulator on an ammonium perchlorate packaging line. The present invention includes a mounting base and a clamping unit. Two sliding frames are symmetrically and slidably arranged at the lower end of the mounting base. A clamping plate is fixedly installed on the sliding frame, and a plurality of clamping units are installed at intervals on the clamping plate. The clamping unit includes a fixed claw and a rotating claw. The fixed claw is fixedly connected to the clamping plate, and rotating shafts are rotatably arranged at both ends of the fixed claw. A rotating claw is fixed at one end of the rotating shaft. When palletizing the packaging bags, by rotating the rotating claws, the packaging bags can be clamped in two directions, making the clamping and fixing of the packaging bags more stable and providing guarantee for smooth palletizing. Moreover, multiple rotating claws can maintain the same clamping force, avoiding the movement of ammonium perchlorate in the packaging bag caused by uneven clamping force of the rotating claws, thereby reducing the unstable palletizing situation caused by uneven distribution of ammonium perchlorate in the packaging bag and improving the palletizing quality.

The application belongs to the technical field of drying devices, and relates to an ammonium perchlorate filtering and drying device and a drying method thereof. The drying device comprises a drying box, a heating element is arranged in the drying box, a filtering assembly is arranged in the drying box, rotating plates are rotatably arranged at two ends of the drying box, and two mounting plates of the filtering assembly are slidably connected in the drying box. One of the two mounting plates of the same filtering assembly is fixedly connected with the corresponding rotating plate, and the other mounting plate is rotatably connected with the rotating plate. The rotating plate drives the filtering assembly to rotate, filters the ammonium perchlorate, and makes the caked ammonium perchlorate stay on the filter screen. The filtering assembly is folded, and then the caked ammonium perchlorate is preliminarily extruded and crushed. The ammonium perchlorate is dispersed into the folds of the filtering assembly, the ammonium perchlorate is prevented from being accumulated together, and the crushing efficiency is improved. The filtering assembly is twisted and deformed, the ammonium perchlorate is extruded and crushed, and the drying efficiency and drying effect are improved.

The utility model belongs to the technical field of ammonium perchlorate processing, and discloses an ammonium perchlorate vacuum crystallizing tank convenient to clean and dry, which comprises a tank body, a fixing frame is fixedly mounted on the outer surface of the tank body, a tank cover is arranged at the top end of the tank body, a discharge pipe is fixedly communicated with the bottom end of the tank body, a discharge valve is fixedly mounted on the discharge pipe, and a discharge valve is fixedly mounted on the discharge valve. A driving motor is fixedly mounted at the top end of the tank cover, and a vacuum pump is fixedly mounted at the bottom end of the tank body; through the inner cylinder and the outer cylinder arranged in the tank body, the screw rod is rotated to enable the outer cylinder to move downwards, so that pores of the inner cylinder are exposed, then the motor is started to enable the inner cylinder to move and rotate along with the rotating shaft, cleaning liquid in the inner cylinder is sputtered to the inner wall of the tank body, and crystals remaining on the inner wall of the tank body are softened and fall off.

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 discloses a layered ammonium perchlorate centrifugal machine with a separating mechanism, which relates to the technical field of ammonium perchlorate processing and comprises a centrifugal machine body, a feeding hopper is arranged at the top of the centrifugal machine body, a first square groove is formed in the side wall of the feeding hopper, a feeding box is arranged in the first square groove, and a discharging box is arranged in the feeding box. A storage box is arranged above the centrifugal machine body, a second square groove is formed in the side, close to the feeding hopper, of the storage box, the end, located outside the feeding hopper, of the feeding box communicates with a soft sleeve, and the end, away from the feeding box, of the soft sleeve is fixedly connected to the storage box. According to the layered ammonium perchlorate centrifugal machine with the separation mechanism, the feeding box, the soft sleeve and other structures are arranged, the feeding box swings in the first square groove, meanwhile, the soft sleeve is made to shake, the situation of feeding blockage is avoided, the inclination angle of the feeding box can control the discharging speed, and the discharging efficiency is improved. And the use efficiency of the layered ammonium perchlorate centrifugal machine with the separation mechanism is improved.

The present application discloses an ammonium perchlorate weighing and packaging process, which relates to the field of packaging technology. The process is equipped with a tubular weighing and packaging device, which directly weighs and packages the ammonium perchlorate powder output from a dryer in a closed space. An elastic capsule is used to assist the process. The process achieves a high level of safety in the ammonium perchlorate weighing and packaging process and ensures the quality of the bagged ammonium perchlorate.

The present invention relates to a method for recovering ammonium perchlorate from a solid composite propellant, wherein the method is carried out at a temperature of less than 50°C, including the immersion of a solid composite propellant fragment in the form of an aqueous suspension, and the method is terminated when the ionic conductivity in the aqueous suspension reaches a stabilized value of less than 60 mS / cm.

Provided are a gas generant composition, a preparation method, and a gas generator containing the composition. The gas generant composition includes components having the following contents, in percent by mass: 40% to 60% of guanidine nitrate, 25% to 50% of basic copper nitrate, 0% to 7% of ammonium perchlorate, 1% to 10% of a slag-forming agent, and 0.05% to 5% of a release agent / lubricant, the slag-forming agent is used as a form-retaining agent, so that the tablets can retain their form before combustion very well after combustion, thereby completely avoiding burning of an inflatable bag due to melting and splashing of the combusted tablets. Moreover, ammonium perchlorate is used as auxiliary oxidizers, thereby reducing the amount of basic cupric nitrate used and reducing molten copper residues. The gas generant composition is mainly used in a gas generator for vehicle airbag.

A gas generating composition according to various embodiments includes a fuel, an oxidant, and at least two combustion modifiers. The oxidant may be a metal nitrate, such as basic copper nitrate; the fuel may be a nitrogen-containing organic compound, such as melamine nitrate; the at least two combustion modifiers are ammonium perchlorate and potassium perchlorate. Ammonium perchlorate and potassium perchlorate are present in any ratio between 3: 1 and 1: 3, respectively, relative to each other. In some embodiments, the ratio is 1: 1. Optionally, the gas generating composition may include other ingredients, such as treatment lubricants, slagging agents, as well as other fuels, oxidants, and combustion modifiers.

The utility model discloses a weighing system and subpackaging equipment, relates to the ammonium perchlorate production field, including the sorting box, one side of sorting box is fixed with the vibrator, the inside of sorting box is fixed with the inclined bushing, the inclined bushing is respectively provided with the first leak hole and the second leak hole along the length direction, and the first leak hole and the second leak hole are communicated with each other. One side of the inclined leakage plate inclines downwards towards the second leakage hole, an air heater is fixed to one side, in the short edge direction, of the sorting box, after the air heater is started, generated wind power can enter the sorting box, the wind power blows in the length direction of the inclined leakage plate, and particles can be pushed to move in cooperation with the inclination angle of the inclined leakage plate; furthermore, hot air generated by an air heater can be used for drying the particles, the adhesion phenomenon caused by moisture among the particles is reduced, and the dispersion effect among the particles can be accelerated in cooperation with vibration force.

The present invention discloses a perchlorate ammonium crystallization quality monitoring and metering system and a monitoring method, which relate to the field of perchlorate ammonium crystallization quality monitoring and metering systems. There are two groups of metering pump devices. One group of metering pump devices is installed at the bottom of the reactor and is used to measure the amount of perchlorate ammonium discharged into the collection tank; the other group of metering pump devices is installed on the outer surface of the by-product collection box and is used to measure the amount of perchlorate ammonium in the perchlorate ammonium layer. In the present invention, the amount of perchlorate ammonium measured by the metering device is more accurate, the problem of residue caused by materials flowing downward into the communication port is reduced and avoided, and the defect of waste of mechanical energy existing in the use of the metering device is made up for.

The utility model discloses a dust-free conveying and transferring device for ammonium perchlorate, and relates to the technical field of transportation. A dust-free conveying and transferring device for ammonium perchlorate comprises a sealing box body, a dust removal device is arranged on the sealing box body and comprises a second dust collection box, a second sliding seat and a second activated carbon adsorption plate, the second dust collection box is installed on the lower surface of one end of the sealing box body through bolts, and a second sliding seat groove is formed in the lower surface of the second dust collection box; dust generated during flowing out is sucked into a second dust collection box through a second fan in the dust removal device, and then the dust is treated by a second activated carbon adsorption plate in the second dust collection box and then discharged, so that the situation that the dust generated during discharging of the ammonium perchlorate material is not treated and is sucked into the body of a worker is avoided; in this way, the safety of the equipment is effectively improved, meanwhile, dust is prevented from hurting workers, and then the practicability and safety of the equipment are improved.

Gas generating composition for use in safety devices for vehicles, with a gas yield of at least 85%, the composition consisting of 75 to 98 wt% guanidine nitrate as fuel, 2 to 25 wt.% of a combustion accelerator selected from the group of transition metal compounds, metal nitrates, metal chlorates, metal perchlorates, ammonium perchlorate and mixtures thereof, wherein the transition metal compounds are selected from the compounds of the transition metals Ti, Cr, Mn, Fe, Cu, Zn, Zr and Mo and have an average grain size of at most 5 µm and a specific surface area of ​​at least 1 m 2 / g, 0 to 5 wt.% combustion moderators and / or coolants, and 0 to 3 wt.% processing aids from the group of flow aids, pressing aids and lubricants, each based on the total composition, and wherein the gas generating composition has a burning rate of 3 to 17 mm / s at 20 MPa.

The utility model discloses a low-energy-consumption purification device for ammonium perchlorate, and relates to the technical field of inorganic salts. The ammonium perchlorate low-energy-consumption purification device comprises a device shell and a waste heat circulation mechanism, the waste heat circulation mechanism comprises a device bottom plate, a heating base, a condensation box, a coil pipe, a first gas outlet pipe and a second gas outlet pipe, the device bottom plate is fixedly connected to the bottom of the device shell, and the heating base is fixedly connected to the bottom of the device bottom plate; the condensing box is fixedly connected into the device shell, the bottom of the condensing box is fixedly connected with the device bottom plate, the coil pipe is fixedly connected to the outer surface of the condensing box, the multiple first air outlet pipes are fixedly connected to the surface of the condensing box, and each first air outlet pipe is fixedly connected with the coil pipe. Through the arrangement of the waste heat circulation mechanism, water vapor in the heating process heats the surface of the condensation box again, waste heat generated in the crystallization process is reused, the overall energy consumption can be remarkably reduced, and carbon emission and energy resources in the production process are reduced.

The present invention belongs to the technical field of stack bag feeding, and relates to a stack bag feeding workstation for ammonium perchlorate processing and production. The present invention includes a feeding tank, a feeding mechanism is arranged above the feeding tank, and the feeding mechanism includes a fixed box, a connecting shell and a hook; the fixed box is movably arranged above the feeding tank, a winding wheel is rotatably mounted on the fixed box, and a third motor for driving the winding wheel to rotate is installed on the fixed box; the connecting shell is arranged below the fixed box, a pulley is rotatably arranged inside the connecting shell, a steel wire rope is wound around the winding wheel, and one end of the steel wire rope is fixedly connected to the fixed box after passing around the pulley. The third slider drives the steel wire ropes on both sides of the pulley to move through the second fixed column, thereby gradually moving the connecting shell upward and rotating the connecting shell, and the material in the material bag is thrown out, which is conducive to making the material in the material bag fall evenly into the feeding tank and avoiding the accumulation of material in a part of the feeding tank.

The application relates to the technical field of composite propellant mechanical property testing, and particularly provides a composite propellant AP and adhesive interface test piece preparation method and device.The device comprises a bottom plate, positioning plates, a top plate, clamping heads and a cover plate, wherein the positioning plates are at least two, and the bottom plate, the positioning plates, the top plate, the clamping heads and the cover plate are sequentially stacked from bottom to top, the clamping head comprises a head part and a tail part, the head part is used for bonding ammonium perchlorate tablets, the tail part is installed in mounting holes of the bottom plate and the top plate, and the head part is in a second mounting hole of the positioning plate, so that the two corresponding clamping heads are oppositely arranged, and the head part and the head part have a space, the space can be filled with adhesive, and finally the two oppositely arranged clamping heads and the solidified adhesive form an integrated interface test piece, thereby effectively solving the problem that the interface mechanical properties between the AP and the adhesive cannot be accurately obtained through experimental means in the prior art.

The invention discloses a metal oxide (at) ZTC composite nanomaterial and application thereof in catalysis of thermal decomposition of ammonium perchlorate, and belongs to the technical field of nanostructure materials. The invention provides a metal oxide doped nano ZTC and a method for catalyzing decomposition of ammonium perchlorate by using the metal oxide doped nano ZTC. Nanometer ZTC doped with different metal oxides is added into ammonium perchlorate to serve as a catalyst, the thermal decomposition reaction of ammonium perchlorate is promoted, and the purpose of reducing the thermal decomposition temperature of ammonium perchlorate is achieved.

The invention discloses a preparation method of a solid propellant containing alkali metal. The preparation method comprises the following steps: step 1, mixing and stirring an adhesive, metal aluminum powder, ammonium perchlorate, alkali metal salt powder, tris (2-methyl-1-aziridine) phosphine oxide and a polymerizing agent to obtain slurry; step 2, carrying out negative pressure pouring on the explosive slurry to obtain an explosive column; and 3, the grain is dried, cured and demolded, and the solid propellant containing the alkali metal is obtained. According to the preparation method, the solid propellant which is relatively rapid in response to microwave energy and relatively efficient is prepared at relatively low cost.

The utility model discloses a device for rapidly detecting the purity of ammonium perchlorate, and relates to the technical field of detection. A rapid ammonium perchlorate purity detection device comprises a purity detection box, a sliding groove is formed in the inner bottom wall of the purity detection box, a mixing tank is arranged in the purity detection box, a detection discharging structure is located on the purity detection box, and the detection discharging structure comprises two electric lifting rods, a sealing cover, a weight sensor and a storage tank. The two electric lifting rods are fixedly mounted on the inner top wall of the purity detection box, and through cooperation of the weight sensor, the electromagnetic valve, the storage tank, the rotating shaft and the discharging screw, the weight sensor can control opening and closing of the electromagnetic valve, so that when the required weight of ammonium perchlorate in the storage tank is discharged, the electromagnetic valve can be opened and closed, and the purity of the ammonium perchlorate is detected. And the weight sensor can control the electromagnetic valve to be closed, so that the ammonium perchlorate can be quantitatively discharged, the ammonium perchlorate can be accurately metered and discharged, and the batching speed of the ammonium perchlorate during detection is further improved.

The utility model discloses a liquid discharge vacuum container for preparing ammonium perchlorate, which relates to the field of ammonium perchlorate production, and comprises a vacuum tank, a vacuum pump is arranged on one side of the vacuum tank, a pipeline is communicated between the vacuum pump and the vacuum tank, a filtering mechanism is arranged on the pipeline, the bottom end of the filtering mechanism is connected with a water pump, and the water pump is connected with the vacuum tank. The bottom end of the water pump is connected with a connecting pipe, the connecting pipe is connected with the vacuum tank, when the vacuum pump vacuumizes the vacuum tank, gas and a part of ammonium perchlorate solution in the vacuum tank can enter the filter box through suction force and impact on the filter plate, the ammonium perchlorate solution is blocked by the filter plate and stays, and the ammonium perchlorate solution enters the filter box. The filter plate moves under the impact force of an ammonium perchlorate solution and gas and moves along the sliding rod, and the inner wall of the filter box is scraped by the scraping plate while the filter plate moves, so that the liquid is prevented from being adhered to the inner wall.

This invention provides a method for the synergistic catalytic thermal decomposition of ammonium perchlorate (AP) based on metal fuels. The method employs a pre-prepared composite metal fuel (C / M), where C is a low-melting-point fuel metal (such as Al, B, etc.) and M is a highly catalytically active metal (such as Ni, Cu, etc.). By uniformly mixing the above fuel with AP in a specific ratio, during heating, the fuel not only provides the heat of reaction as a high-energy fuel, but also, the transition metals and their potentially in-situ generated metal derivatives within it, work synergistically with the low-melting-point metal component to significantly reduce the high-temperature decomposition temperature of AP, greatly increase its decomposition reaction rate, and lower its apparent activation energy. The method described in this invention is simple, has significant catalytic efficiency, and good safety, showing promising application prospects in solid propellant formulations and providing effective technical support for improving propellant combustion performance.

The utility model discloses an ammonium perchlorate refined liquid temperature adjusting device, which relates to the field of ammonium perchlorate refined liquid processing, and comprises a support frame, a vertical sleeve is fixed on one side of the top end of the support frame, an electric push rod is fixed in the vertical sleeve, the top end of the electric push rod is connected with a fixed seat, and the fixed seat is connected with the fixed seat. A connecting base is fixed to one side of the fixing base, a stirring shaft is fixed to the bottom end of the connecting base, the motor can drive the rotating disc to rotate after being started, the rotating disc rotates to enable the stirring barrel to rotate, and when the stirring shaft extends into the stirring barrel, liquid can make contact with the stirring shaft and a stirring plate through rotation of the stirring barrel; in addition, when the stirring shaft does not stretch into the stirring barrel, the stirring barrel rotates in an accelerated mode, the centrifugal effect can be generated, substances with different specific gravities in the refined liquid can be effectively separated, and the separation effect is achieved.

The invention relates to the technical field of separation, and discloses a rapid ammonium perchlorate crystallization device and method.The rapid ammonium perchlorate crystallization device comprises an evaporation tank, a supporting column is fixedly installed at the top of the evaporation tank, and the supporting column is fixedly sleeved with water absorption sponge which covers the whole inner wall of the top of the evaporation tank; a driving assembly for driving the water absorption sponge to be folded or unfolded in an umbrella shape by taking the supporting column as a central shaft is mounted on the evaporation tank; a stirring shaft is mounted in the evaporation tank; a wringing assembly is mounted in the evaporation tank and is in transmission fit with the stirring shaft; a funnel-shaped water collecting groove is formed in the top end of the stirring shaft, and a water flowing channel is formed in the stirring shaft; the water flowing channel penetrates through the stirring shaft along the axial direction of the stirring shaft, and is communicated with the water collecting groove. The water absorption sponge can completely cover the inner wall of the top of the evaporation tank, so that steam is effectively prevented from being condensed on the inner wall of the top of the evaporation tank, the phenomenon of secondary falling is avoided, the separation and crystallization efficiency is greatly improved, and use is convenient.

This utility model discloses a screening device for ammonium perchlorate crystal particles, relating to the field of sorting technology. The device includes a discharge box, with a crystal particle screening box slidably connected inside. A particle screening structure is located on the crystal particle screening box. The particle screening structure includes two stepper motors, two rotating shafts, and two cross-shaped screen plates. Both rotating shafts are rotatably connected inside the crystal particle screening box. The two cross-shaped screen plates work alternately. When large particles accumulate on one screen plate, the stepper motor drives its rotation, transferring the large particles to the arc-shaped screen plate. The other screen plate immediately takes over the screening work, ensuring uninterrupted screening. Combined with the vibration of the crystal particle screening box, qualified particles can quickly pass through the screen plates, effectively avoiding the problem of low screening efficiency caused by material accumulation and further increasing the screening volume per unit time.

The invention relates to the technical field of crystallization devices, and proposes an ammonium perchlorate crystallization device and a digital optimization control system. The device adopts the form of the flow of an ammonium perchlorate solution relative to cooling water to realize the crystallization extraction of ammonium perchlorate. The ammonium perchlorate solution for preparing ammonium perchlorate adopts a trickle-and-long-flow method to realize rapid cooling. The preparation of ammonium perchlorate has good consistency and stability, good controllability during the preparation of ammonium perchlorate, and optimized allocation of resources is achieved to a certain extent. The device has good use flexibility. The device comprises a cooling mechanism, a basic frame and a plurality of crystallization mechanisms. The cooling mechanism comprises a cooling water tank, which is fixedly connected to the top of the basic frame. A circulating cooling component is installed in the basic frame. The circulating cooling component is used for circulating and cooling cooling water in the cooling water tank. The plurality of crystallization mechanisms each comprises a first annular tube and a second annular tube. The cooling water tank is provided with a plurality of first inlets, a plurality of second inlets, a plurality of first outlets and a plurality of second outlets.

The present application discloses an ammonium perchlorate drying process, which relates to the technical field of drying processes and is equipped with a drying device. The drying device includes a housing, an elastic partition membrane, a plugging component, a material lifting component, a pulling component, a bagging component, and a bearing pipe body; a raw material input pipe and a vacuum suction component are provided at the top of the housing; the elastic partition membrane is a rubber material elastic membrane fixed on the inner wall of the housing; the inner space of the housing is divided into a drying space and a packaging space; a central hole is provided on the elastic partition membrane, and a positioning ring is fixed on the central hole; the drying and packaging of ammonium perchlorate are completed by successively performing steps of injecting gas, filling materials, evacuating, ejecting and dispersing powder, cooling powder, injecting gas into the packaging space, transporting and packaging; the technical effects are achieved that the heating and cooling speeds of ammonium perchlorate powder during the drying process of ammonium perchlorate are relatively fast, the drying uniformity is good, the drying efficiency is high, and the ammonium perchlorate powder does not contact with natural air before packaging after drying.