48 results about "Ammonium perchlorate" patented technology

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 invention relates to the technical field of new energy and mining and blasting, in particular to a preparation method of a biomass instantaneous cracking agent. The preparation method comprises the following steps: mixing biomass powder, pulverized coal, an oxidant, a catalyst and a release agent to obtain mixed powder; mixing the adhesive, the water and the preservative to prepare a glue solution; the glue solution and the mixed powder are kneaded, granulated and dried, and the biomass instantaneous cracking agent is obtained, the biomass powder accounts for 4-55 parts by mass, the pulverized coal accounts for 0-48 parts by mass, the oxidizing agent accounts for 0-45 parts by mass, the catalyst accounts for 0-20 parts by mass, the release agent accounts for 0-2.5 parts by mass, the adhesive accounts for 2-10 parts by mass, the preservative accounts for 0-0.15 part by mass, and the oxidizing agent and the catalyst are not 0 at the same time; the oxidizing agent is potassium peraluminate powder and / or ammonium perchlorate powder; the catalyst is potassium nitrate powder and / or sodium nitrate powder. The biomass instantaneous cracking agent prepared by the invention solves the problems of long stone cracking time, low efficiency and environmental pollution of the existing stone cracking agent.

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 relates to the technical field of energetic materials, in particular to nickel fluoride catalyzed ammonium perchlorate / aluminum composite fuel and a preparation method and application thereof. The ammonium perchlorate / aluminum composite fuel consists of the following components in percentage by mass: 50-70% of ammonium perchlorate, 0-10% of nickel fluoride and the balance of aluminum powder. Due to the addition of NiF2, high and low decomposition peaks of AP are combined into a violent exothermic peak, and the temperature of the high-temperature decomposition peak is reduced by about 30 DEG C, which means that the burning rate of the propellant can be greatly improved; the heat effect of the fluorination reaction (55.98 kJ. G <-1 >) of aluminum is far higher than the heat effect of the oxidation reaction (31.05 kJ. G <-1 >) of aluminum, so that the explosion heat is improved by about 10% while the reaction path is optimized. Besides, the anhydrous NiF2 used in the formula is stable in physical and chemical properties and does not absorb moisture and deliquesce, the problem of long-term storage of common fluorides such as CuF2 and FeF3 is solved, and the product reliability is extremely high.

The present application belongs to the technical field of packaging, and relates to a ton bag packaging machine and application thereof in the production of ammonium perchlorate. The packaging machine comprises a mounting plate, a moving plate and a supporting assembly; the mounting plate is fixed at the top end of a supporting rod; the moving plate is installed below the mounting plate, and a filling assembly is installed on the moving plate; a plurality of extension plates are fixedly installed on the moving plate, and each extension plate is provided with the supporting assembly. The supporting assembly comprises a first clamping piece and a second clamping piece; the first clamping piece comprises two first clamping plates, and the second clamping piece comprises two second clamping pieces; each second clamping piece comprises two second clamping plates which are parallel to each other. When the lifting belt is broken, the first clamping piece and the second clamping piece clamp the lifting belt under the action of the first transmission member and the second transmission member, and the two broken lifting belts are clamped and fixed. This is favorable for keeping the ton bag stable, thereby keeping the subsequent filling quality, and avoiding the inclination of the ton bag in the subsequent filling process.

The application discloses a rapid evaporation salt collecting device for ammonium perchlorate mother liquor and relates to the technical field of evaporation salt collecting devices. The device comprises an operation table, the upper surface of the operation table is fixedly connected with an inner barrel, the outer part of the inner barrel is fixedly connected with an outer barrel, a heating cavity is formed between the inner barrel and the outer barrel, a coil pipe is arranged in the heating cavity, the coil pipe is fixedly connected to the outer wall of the inner barrel, the top end of the coil pipe is in communication with the heating cavity, a rotary pipe is arranged in the bottom of the inner barrel, a rotary joint is in communication with the bottom of the rotary pipe, a connecting pipe is in communication with the bottom of the rotary joint, and the end, which is away from the rotary joint, of the connecting pipe is in communication with the coil pipe. The rapid evaporation salt collecting device for ammonium perchlorate mother liquor drives the stirring blade to rotate through the sliding sleeve, the stirring blade stirs the ammonium perchlorate mother liquor, the temperature of the ammonium perchlorate mother liquor at all positions in the inner barrel is basically uniform, the phenomenon that the mother liquor is unevenly heated is avoided, the evaporation time is shortened, and the evaporation efficiency is improved.

The utility model discloses tetrabutylammonium perchlorate purification equipment and belongs to the technical field of chemical purification equipment. The tetrabutylammonium perchlorate purification equipment comprises a pretreatment unit, a chemical reactor, a crystallizer, filtering separation equipment, an adsorption device and a control system, the pretreatment unit comprises a multi-stage filtering system, a raw material feeding metering pump and an automatic acid-base adding valve; the chemical reactor adopts a tubular reactor and is provided with an inlet and an outlet, and a heat exchange device is arranged outside the tubular reactor; the rectifying tower adopts a packed tower and is provided with a packing layer and a liquid distributor; the crystallizer comprises a crystallization tank, a jacket is arranged on the wall of the crystallization tank, and a stirrer, an elutriation column and a temperature control system are arranged in the crystallization tank; the filtering and separating equipment is provided with a filtering medium and adopts a rotary vacuum filter; the adsorption device is provided with a sensor array, the adsorption efficiency and the saturation degree of an adsorption material can be monitored in real time, and regeneration or program replacement can be automatically triggered through a control system.

The application discloses an anti-migration ferrocenyl hyperbranched polymer burning rate catalyst, a preparation method thereof and application thereof. The ferrocenyl hyperbranched polymer is prepared by one-pot method through amidation reaction with 1,1'-ferrocene dicarboxylic acid and tri(2-aminoethyl)amine as monomers. The ferrocenyl hyperbranched polymer has high anti-migration performance in a composite solid propellant and can reduce the thermal decomposition temperature of ammonium perchlorate.

The invention relates to the technical field of ammonium perchlorate production, in particular to a high-capacity production device capable of automatically turning over and pouring materials through a tool. The device comprises a material pouring mechanism rack and a material pouring hopper rack which are fixed on the ground, the material pouring mechanism rack is provided with a material guide hopper and fork teeth which are driven by a speed reducing motor through a rotating shaft, a shell is fixed on the material pouring hopper rack, and a dust suction port, a gate valve and an observation window are arranged on the shell. The speed reducing motor is controlled by the electric control system to automatically execute a turning and pouring procedure, so that the traditional manual operation is completely replaced, and the problems of high labor intensity, high safety risk, serious dust pollution, difficulty in product quality control and the like in the prior art are effectively solved. Automation, staff reduction and efficiency improvement in the production process are achieved; the intrinsic safety level is obviously improved through human and material isolation and anti-explosion design; and the screening and adjustable discharging functions are integrated, and the uniformity and stability of the product granularity are guaranteed.

The invention provides an energetic complex Cs-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 Cs-BTE which is novel in structure and excellent in comprehensive performance is prepared for the first time, and the energetic complex Cs-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 Cs-BTE is as high as 375.5 DEG C, the actually measured impact sensitivity is greater than 40J, the friction sensitivity is greater than 360N, and meanwhile, the C-BTE has a catalytic effect on thermal decomposition of ammonium perchlorate. Due to the excellent performance of the Cs-BTE, the Cs-BTE has huge application potential in the field of catalyzing the combustion efficiency of solid propellants as an energetic complex.

The application discloses a molecular imprinting polymer electrocatalytic polar plate and a preparation method and application thereof, and the preparation method comprises the following steps: cleaning an electrode plate; stirring a benzene[1,2-B:4,5-B']dithiophene-4,8-dione, 3-boronic acid thiophene, azithromycin, 3,3'-bithiophene and tetrabutylammonium perchlorate acetonitrile solution to obtain a polymerization solution; taking a graphite plate as a working electrode and a counter electrode, and taking a non-aqueous Ag + The electrode is a reference electrode, the electro-polymerization is completed in the polymerization solution, and a MIP (PBth-BQ) molecular imprinting catalytic electrode is obtained; the MIP (PBth-BQ) molecular imprinting catalytic electrode is taken as a working electrode, the graphite sheet is taken as a counter electrode, saturated mercury is taken as a reference electrode, constant-temperature water bath stirring is carried out, the template is removed, and cleaning is carried out. The electrocatalytic polar plate has holes on the surface, the azithromycin is wrapped first and then removed, the adsorption effect is better, the selectivity is high, the adsorption and electrocatalysis are synergistically combined, and the removal effect is good.

The invention discloses an anti-moisture-absorption potassium nitrate material as well as a preparation method and application thereof, and belongs to the technical field of solid propellant materials. The preparation method of the anti-moisture absorption potassium nitrate material comprises the following steps: mixing potassium nitrate with a dispersion liquid, and then mixing with a binder solution; wherein the dispersion liquid is obtained by dispersing a shell material in an anti-solvent of potassium nitrate; the binder solution is obtained by dissolving a binder in a good solvent of potassium nitrate. The preparation method is easy to implement and industrialize, the product is stable, the shell layer is complete and high in strength, the phenomenon of strong moisture absorption during blending of potassium nitrate and ammonium perchlorate (AP) in a solid propellant system can be effectively solved, a remarkable moisture absorption prevention effect is achieved, and the method can be popularized to solve the problem of hygroscopicity deterioration of other mixed moisture absorption materials.

The utility model discloses a movable quantitative feeding device for ammonium perchlorate production, which relates to the field of ammonium perchlorate production, and comprises a support frame, two quantitative cylinders are fixed on one side of the support frame, bottom plates are hinged to the bottom ends of the two quantitative cylinders, a fixed frame is arranged above the two quantitative cylinders, a sliding plate is movably arranged in the fixed frame, and the sliding plate is fixed on the fixed frame. A filling barrel is fixed to the top end of the sliding plate, a through opening corresponding to the bottom end of the filling barrel is formed in the sliding plate, when the sliding plate leaves the first quantitative barrel, the bottom plate is separated from the shovel plate, powder in the quantitative barrels automatically descends, and the feeding work of one quantitative barrel volume is completed; the hitting balls fixed to the ends of the springs can hit and collide with the outer side of the quantitative barrel in the feeding process, vibration generated can accelerate falling of ammonium perchlorate powder attached to the inner wall of the quantitative barrel, and the situation that the ammonium perchlorate powder is left in the quantitative barrel and influences the feeding accuracy is avoided.

This invention discloses an NPTTz-based anionic energetic complex, prepared by a volatilization method using 6-(4-nitro-1H-pyrazole-1-yl)-[1,2,4]triazolo[4,3-b][1,2,4,5]tetraazine and metal nitrates as raw materials. The NPTTz-based anionic energetic complex of this invention exhibits a detonation response upon laser irradiation, demonstrating good safety and detonation performance. It can be used as a laser-initiated detonator or as a component of explosives and propellants. Furthermore, the NPTTz-based anionic energetic complex of this invention exhibits good catalytic activity and can be used as an ammonium perchlorate catalyst, showing promising application prospects in the field of high-energy insensitive energetic materials.

The invention provides an assembly preparation method of an aluminum-based composite energetic material, which comprises the following steps: step 1, under a stirring condition, controlling the mixing reaction temperature, adding an ammonium perchlorate-triethylene diamine aqueous solution into a nano-aluminum-graphene oxide assembly dispersion liquid, stirring for reaction, and obtaining a precursor assembly dispersion liquid after the reaction; 2, under the mixing reaction temperature and stirring condition, perchloric acid is dropwise added into the precursor assembly dispersion liquid prepared in the step 1, and a reaction is conducted after dropwise adding is completed; and after the reaction is completed, carrying out post-treatment to obtain the aluminum-based composite energetic material. According to the method, the energetic material DAP-4 synthesis mother liquor is used as an in-situ synthesis system, compounding of energetic components and fuel components can be achieved, meanwhile, core-shell coating and embedding of nano Al by DAP-4 are achieved through the self-assembly and induction effects of graphene oxide, interface contact between reaction components can be increased, and the reaction efficiency is improved. And nano Al can be effectively isolated from contact with space oxygen and water molecules, and activity reduction caused by further oxidation is prevented.

This invention provides an energetic complex Cs-BTE, its continuous preparation method, and its applications. Starting with 1,2-bis(tetraazol-5-yl)ethane, a ligand solution and a metal ion salt solution are continuously injected into a continuous flow reaction unit via a syringe pump. After filtration, washing, and drying, energetic complex crystals are obtained. This invention develops a novel, simple, continuous, and mild method for preparing energetic complexes. For the first time, an energetic complex Cs-BTE with a novel structure and excellent overall performance was prepared. In addition to high thermal stability, Cs-BTE also possesses the advantages of a simple, efficient, safe, and controllable process. The thermal decomposition temperature of Cs-BTE reaches 375.5℃, with a measured impact sensitivity greater than 40 J and a friction sensitivity greater than 360 N. It also exhibits a catalytic effect on the thermal decomposition of ammonium perchlorate. The superior performance of Cs-BTE makes it a promising energetic complex for catalyzing the combustion efficiency of solid propellants.

This invention provides a boron-based composite energetic material with sodium molybdate assembled with an oxidant and its preparation method. The material includes a boron matrix, an energetic oxidant assembled on the boron matrix, and sodium molybdate dispersed within the energetic oxidant. The boron matrix is ​​boron powder, mono-modified boron powder, or binary modified boron powder. The energetic oxidant is ammonium perchlorate, ammonium nitrate, or potassium perchlorate. The morphology of the boron-based composite energetic material is rough-surfaced spherical particles. The ignition delay time of the boron-based composite energetic material with sodium molybdate assembled with an oxidant prepared by spray drying is 37-30 ms, which is half that of boron powder or surface-modified boron powder; the oxidation peak temperature of this composite energetic material is 560-533℃, which is more than 100℃ lower than that of boron powder or surface-modified boron powder.

The invention belongs to the technical field of organic synthesis, and particularly relates to a method for synthesizing a bridged ring derivative through [4 + 2] cycloaddition based on an electrochemical means. The method for synthesizing the bridged ring derivative based on the electrochemical means [4 + 2] cycloaddition comprises the following steps: by taking an anethole derivative 1 and a cyclopentadiene derivative 2 as raw materials, tetrabutylammonium hexafluorophosphate or tetrabutylammonium perchlorate as an electrolyte and an acetonitrile solution as a solvent, carrying out electrolysis in an electrolytic tank at constant current density, and purifying to obtain a bridged ring derivative 3. According to the method, the free radical cation intermediate is generated through anodic oxidation by utilizing constant-current electrolysis under the conditions of no metal and no oxidant, the cycloaddition reaction is realized, the reaction condition is mild, the reaction time is short, the yield is 51-81%, the stereoselectivity is good, and the method is suitable for complex molecule synthesis.

The invention discloses a trinuclear ferrocene-based metal composite material and a preparation method and application thereof, and belongs to the field of burning rate catalysts.The preparation method comprises the steps that ferrocenyl acetaldehyde and ferrocenyl dihydrazone are dissolved, then heating reflux is conducted, purification treatment is conducted, a trinuclear ferrocene ligand is prepared, the trinuclear ferrocene ligand is dissolved in a solvent, a mixed solution A is prepared, and the mixed solution B is prepared; dividing the mixed solution A into three equal parts, and respectively adding a Co salt solution, a Fe salt solution and a mixed solution of Co salt and Fe salt to respectively prepare the trinuclear ferrocene-based metal composite materials of Fc3N4 / Co, Fc3N4 / Fe and Fc3N4 / CoFe. The technical problem that a burning rate catalyst prepared by an existing preparation method is not high in pyrolysis catalytic performance on ammonium perchlorate is solved.

The application discloses a method for reducing the sensitivity of ammonium perchlorate by adopting a polydopamine / fluorine-containing silane composite coating, and comprises the following steps: (1) dispersing ammonium perchlorate in an organic solvent, stirring to obtain a milky white suspension; (2) adding a catalyst dropwise into the suspension, stirring, uniformly mixing, then adding fluorine-containing silane and dopamine hydrochloride, and reacting at room temperature for 6-24 hours; the catalyst is an amine compound; (3) filtering, washing with the organic solvent until the color of the filtrate is clear, drying, and obtaining modified ammonium perchlorate particles. The application realizes uniform and complete coating of the polydopamine coating on the ammonium perchlorate by one-step method, meanwhile, the fluorine-containing silane is introduced to crosslink the polydopamine coating, effectively improves the interface coverage of the polydopamine on the ammonium perchlorate, reduces the sensitivity of the ammonium perchlorate, and reduces the hygroscopicity of the ammonium perchlorate.

The invention relates to the technical field of AP (ammonium perchlorate) modification, in particular to a preparation method of an ammonium perchlorate anti-moisture-absorption material coated with silicon dioxide based on double-silane synergistic modification through a wet method. Silicon dioxide is subjected to two-step synergistic modification through a long-chain alkylsilane modifier and a short-chain alkylsilane modifier; the preparation method comprises the following steps: modifying the surface by using long-chain silane, filling long-chain silane modified gaps by using short-chain alkyl to prepare modified nano silicon dioxide particles, and coating superfine AP particles with the modified nano silicon dioxide particles through wet modification, the modified nano silicon dioxide particles have enough steric hindrance and better hydrophobicity due to a three-dimensional structure on the surface, and the AP can be effectively prevented from being agglomerated after being coated with the modified nano silicon dioxide particles; the method is green and pollution-free, the process is simple, the comprehensive performance can be easily controlled through simple adjustment, the problem that the ultra-fine AP particles produced industrially are prone to moisture absorption and caking can be solved, and the application range of the ultra-fine AP particles in novel high-energy propellants is widened.

The present disclosure provides a gas-generating agent composition, a gas-generating agent, and a preparation method and the use. The gas-generating agent composition comprises the following components, in percentages by mass: 30-70% of guanidine nitrate, 20-60% of basic copper nitrate, 0-10% of basic copper carbonate, 1-10% of ammonium perchlorate and 1-15% of a slag-forming agent, wherein the slag-forming agent comprises a first component and a second component, the first component being selected from aluminum hydroxide, and the second component being selected from at least one of a zirconate and a silicate.

The invention provides an NEPE propellant and a preparation method thereof, and belongs to the field of propellants. The NEPE propellant provided by the invention is prepared from the following components in parts by mass: 11.001 to 33.01 parts of an adhesive system; the bonding system comprises an adhesive, a plasticizer, a curing agent and a curing catalyst; the adhesive comprises tetrahydrofuran-ethylene oxide copolyether, and the degree of functionality of the tetrahydrofuran-ethylene oxide copolyether is 2.5 to 3; the curing agent comprises dimer acid diisocyanate; 5-20 parts of aluminum powder; 0 to 52 parts of cyclotrimethylene trinitramine; and 5-75 parts of ammonium perchlorate. By changing a bonding system of the propellant and using the tetrahydrofuran-ethylene oxide copolyether and the curing agent dimer acid diisocyanate (DDI), the burning rate and the burning rate pressure index of the NEPE propellant are successfully reduced, and the problem that the burning rate and the burning rate pressure index of the NEPE propellant are too high is solved.

The utility model discloses a movable ammonium perchlorate crystallization kettle stirring and side wall scraping device, which relates to the technical field of ammonium perchlorate crystallization equipment and comprises a kettle body, a disc is arranged at the top end of the kettle body, an annular groove is formed between the disc and the inner wall of the kettle body, a movable ring is arranged above the annular groove, and the movable ring is connected with the movable ring. The bottom of the moving ring is fixedly connected with a first scraping plate, the first scraping plate penetrates through the ring groove and extends into the kettle body, the bottom end of the first scraping plate is fixedly connected with a round rod, and the round rod is rotatably connected with a second scraping plate. According to the movable stirring and side wall scraping device for the ammonium perchlorate crystallization kettle, by arranging the first scraping plate, the second scraping plate and other structures, the side wall and the bottom wall in the kettle body can be pushed and scraped, the first scraping plate and the second scraping plate can be pulled out from the interior of the kettle body to be cleaned, and meanwhile the situation that abrasion is accelerated due to continuous contact with the inner wall of the kettle body is avoided; and the use efficiency of the stirring and side wall scraping device of the movable ammonium perchlorate crystallization kettle is improved.

The utility model discloses an overturning type ammonium perchlorate centrifugal device capable of avoiding feeding blockage, and relates to the field of ammonium perchlorate processing, the overturning type ammonium perchlorate centrifugal device comprises two supporting frames which are arranged in parallel, a centrifugal cylinder is rotatably connected between the two supporting frames, the top end of the centrifugal cylinder is detachably connected with a cylinder cover, the bottom ends of the two supporting frames are fixedly provided with a bottom frame, and the bottom frame is connected with the cylinder cover. A supporting block is arranged in the bottom frame in an up-down telescopic mode, a clamping groove corresponding to the outer side of the centrifugal barrel is formed in the top end of the supporting block, and after the centrifugal barrel completes mixing, the top end of the centrifugal barrel can be driven by a second motor to be downwards inclined, so that after a barrel cover is opened, raw materials in the centrifugal barrel can automatically fall down along the inclination angle; when the centrifugal barrel is inclined, the hydraulic cylinder can be started to drive the supporting block to ascend, so that the clamping groove is attached to the outer side of the centrifugal barrel, and therefore the centrifugal barrel is supported, the stability of the centrifugal barrel is guaranteed, and shaking is avoided.

The application provides a graphene metal complex-ammonium perchlorate composite, a preparation method and application thereof, and the preparation method is as follows: graphene-metal complex is ultrasonically dispersed in a solvent to prepare a graphene-metal complex dispersion liquid; ammonium perchlorate is stirred and dissolved in the solvent to prepare an ammonium perchlorate solution; the graphene-metal complex dispersion liquid and the ammonium perchlorate solution are stirred and uniformly mixed, and then spray granulation is performed under a protective atmosphere by using a spray granulator; after the spray granulation is completed, the graphene metal complex-ammonium perchlorate composite is prepared. The graphene metal complex-ammonium perchlorate composite can be used as a combustion catalyst in a solid propellant. The graphene metal complex-ammonium perchlorate composite of the application is not prone to migration in the solid propellant, and can improve the combustion performance of the solid propellant while ensuring the service life of the solid propellant.

The utility model discloses an ammonium perchlorate dry tail gas microparticle recovery device, which relates to the technical field of ammonium perchlorate tail gas recovery and comprises a recovery shell, an exhaust pipe is arranged in the middle of the top surface of the recovery shell, a filter screen is fixedly connected to the bottom of the inner wall of the exhaust pipe, and the filter screen is a dust removal filter bag; two connecting strips are fixedly arranged at the bottom of the inner wall of the exhaust pipe. According to the tail gas recovery device, in the tail gas emission process, part of unpurified particles are blocked in the recovery shell by the filter screen, pollution of the particles to air is reduced, the tail gas treatment process is more stable and reliable through the filter screen, and subsequent device faults and shutdown caused by the particle dust problem are reduced; through cooperation of the connecting strip and the knocking ball, the knocking ball swings to knock the filter screen, the mechanical vibration assists in removing particles, cleaning is convenient, the particles on the filter screen can be removed more thoroughly, the removing efficiency is high, and the air permeability of the filter screen can be kept by removing the particles on the filter screen in time.

The invention provides an energetic complex Rb-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 Rb-BTE which is novel in structure and excellent in comprehensive performance is prepared for the first time, and the energetic complex Rb-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 Rb-BTE reaches up to 401 DEG C, the actually measured impact sensitivity is greater than 40J, the friction sensitivity is greater than 360N, and meanwhile, the Rb-BTE has a catalytic effect on thermal decomposition of ammonium perchlorate. Due to the excellent performance of Rb-BTE, Rb-BTE as an energetic complex has huge application potential in the field of catalyzing the combustion efficiency of solid propellants.