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33results about How to "Reduce the power of the explosion" patented technology
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Blast black powder for fireworks
InactiveCN101270014ANo pollution in the processGood detonation effectInorganic oxygen-halogen salt explosive compositionsMetallic materialsFireworks
The present invention discloses explosive black powder that is used for fireworks. The black powder contains the following components with the following weight portions: 40 to 75 portions of potassium perchlorate, 0 to 35 portions of potassium nitrate, 1 to 5 portions of potassium dichromate, 5 to 15 portions of sulfur, 5 to 25 portions of charcoal, 0.5 to 2 portions of carbon black, and 5 to 20 portions of potassium terephthalic acid or potassium acid phthalate. The explosive black powder is made of the components according to the ratio. No metal material or toxic substances are used. The explosive black powder has the advantages of low mechanical sensitivity, excellent stability, large explosive scale, excellent explosive sound, black medicine, easily prepared raw materials and relatively low cost. Thus the explosive black powder is the ideal explosive black powder.
Owner:湖南省浏阳金生花炮有限公司
Waterproof explosion-proof box for cable intermediate connector
InactiveCN107546709AGood waterproof performanceGood explosion-proof performanceCable junctionsEngineeringPower cable
The invention discloses a waterproof and explosion-proof box for a cable intermediate joint, which comprises a cavity and a cover, and the cover is connected with the cavity to form a closed explosion-proof cavity for cable joints; the cover is provided with energy-dissipating conduits on the left and right sides of the explosion-proof cavity for cable joints Baffles are arranged at both ends, and springs are arranged between the baffles and the inner walls of both ends of the explosion-proof cavity of the cable joint; an energy-discharging valve assembly is arranged at the lower end of the energy-discharging conduit. The cable joint waterproof and explosion-proof box of the present invention has good waterproof performance, excellent explosion-proof performance, ingenious structural design, adopts the way of energy dissipation, reduces the power of the cable joint explosion, and ensures the cable joint waterproof and explosion-proof box itself and the adjacent cable joint waterproof and explosion-proof boxes safety.
Owner:江苏华域电工设备科技有限公司
A functional heat insulation device for a lithium battery
InactiveCN109088125AWith heat absorption and cooling functionReduce high temperatureSecondary cellsFire rescueElectrical batteryEngineering
The invention provides a functional heat insulation device for a lithium battery, comprising a functional material which is a material having a fire extinguishing function and a heat absorption and cooling function, and the functional heat insulation device is fixedly mounted on a side surface of a lithium ion cell. Compared with the existing insulation cotton technology, the device can more effectively prevent the heat transfer phenomenon between lithium ion cells, reduce the energy produced by lithium battery deflagration, and avoid the occurrence of lithium ion battery ignition, thus effectively reducing the chain reaction caused by lithium ion battery ignition or explosion, and improving the safety performance of a lithium ion battery to a large extent.
Owner:SUZHOU YOULION BATTERY INC
High-power class-3 coal mine permissible water-gel explosive and production method thereof
The invention provides a high-power class-3 coal mine permissible water-gel explosive. The explosive is prepared from the following substances in parts by weight: 25-32 parts of an ammonium nitrate solution having the concentration of 72%-82%, 35-40 parts of a methylamine nitrate solution having the concentration of 83%-86%, 9-15 parts of solid ammonium nitrate, 8-12 parts of sodium nitrate, 0.8-1.5 parts of a gelatinizing agent, 0.1-0.3 part of a cross-linking agent, 2-4 parts of a sensitizer and 5-10 parts of a flame inhibitor, as well as 0.02-0.04 part of a high-performance flame inhibitor. The production method of the explosive comprises the following steps: firstly, preparing the methylamine nitrate solution and the ammonium nitrate solution, then orderly adding the methylamine nitrate solution, the ammonium nitrate solution, the solid ammonium nitrate, the sodium nitrate, the gelatinizing agent, the flame inhibitor, the sensitizer and on the like to a mixing tank, and adjusting the density to the range of 1.05-1.15g / cm<3> and controlling the pH value within the range of 5.0-5.8 after mixing evenly; next, adding the cross-linking agent, thereby obtaining the high-power class-3 coal mine permissible water-gel explosive. The production method of the high-power class-3 coal mine permissible water-gel explosive has the advantages of simple production process and low production cost; the explosive is stable in performance, the coal mine gas safety is high, the explosive capacity is big, and the blasting operation effect is improved.
Owner:淮北矿业控股股份有限公司
Explosion-proof utility tunnel
InactiveCN107190774AImprove securityReduce the cross-sectional areaArtificial islandsUnderwater structuresRubber ringLine tubing
The invention discloses an explosion-proof utility tunnel. The utility tunnel comprises a gas pipe trench, a rainwater storage tank, a vent panel, water-proof rubber rings and an integrated pipe tank, wherein the gas pipe trench is arranged between the rainwater storage tank and the integrated pipe tank, and divided into an upper part and a lower part by a baffle, and a gas pipe is located on the upper part of the gas pipe trench; a wall that is shared by the gas pipe trench and the rainwater storage tank downwards extends to the bottom of the utility tunnel body, and the bottom of the wall is longitudinally and evenly provided with a row of openings along the utility tunnel; the baffle of the gas pipe trench is longitudinally and evenly provided with a row of explosion vents along the utility tunnel; and the vent panel is combined with the water-proof rubber rings for sealing the explosion vents. In case of explosion of the gas pipe trench, explosion pressure can be reduced rapidly due to damage of the vent panel and the damping and energy absorption of rainwater in the rainwater storage tank; and after explosion, professionals enter the utility tunnel and repair the part, where accidents occurred, of the gas pipe trench. Gas pipelines can be included in the explosion-proof utility tunnel with high explosion-proof capability, and the safety of the gas pipelines entering the utility tunnel is improved.
Owner:NANJING UNIV OF SCI & TECH
Emergency handling case and emergency handling device for passenger cabin of airplane
ActiveCN106621114ASolve the difficult problem of fire and combustionSmall and compact designFire rescueEmergency apparatusEngineeringAirplane
The invention relates to an emergency handling case and an emergency handling device for a passenger cabin of an airplane. The emergency handling case comprises a case body and a case cover, wherein the case cover is connected through a plurality of hinges; the case cover is locked with the case body through a plurality of lock catches; the lock catches are stainless steel spring lock catches; the case body and the case cover are of three-layer structures; the outer layer is a heat-insulating layer; the middle layer is a heat-insulating energy-absorbing layer; the inner layer is a high-temperature-resistant layer; the upper part and the lower part of the front end face of the case body are provided with a first viewing window and a second viewing window; the upper parts of the left-side end face and the right-side end face of the case body are provided with first handles respectively; a second handle is arranged in the center of the upper surface of the case cover; the upper surface of the case cover is provided with an air outlet and a water inlet on both sides of the second handle. The emergency handling case and the emergency handling device for the passenger cabin of the airplane have the beneficial effects of compact structures, convenience in operation, safety and reliability.
Owner:CHINA ACAD OF CIVIL AVIATION SCI & TECH
Transformer fire-protection device applied to chemical industry park
The invention discloses a transformer fire-protection device applied to a chemical industry park. The device comprises a flat ground, wherein a foundation pit is formed in the upper end face of the flat ground; a protective steel box is placed at the position, below the foundation pit, in the flat ground; a movable base is movably disposed on the upper end face of the protective steel box; a transformer assembly is fixedly installed on the movable base; four protecting bushes are symmetrically and fixedly installed on the bottom of the protective steel box; guide pillars are movably installedin the protecting bushes and upper end parts of the guide pillars are welded with the movable base; and an air cylinder is erected at the middle part of the bottom of the protective steel box in an erected manner. The transformer fire-protection device applied to the chemical industry park disclosed by the invention has the beneficial effects that the movable base is driven by power of the air cylinder to descend and enter the protective steel box; a transformer on the ground is moved downwards into the protective steel box; a sealing cover is closed automatically; the transformer is sealed; fire spreading and explosion caused by fire disasters are prevented; and the device is applicable to different working conditions and brings better use prospect.
Owner:ANHUI DONGYUAN ELECTRIC POWER CO LTD
A power-adjustable type axial nailer
PendingCN109202811AReduce the power of the explosionExplosive power suitable forNailing toolsEngineeringExplosive power
The invention relates to a power-adjustable type axial nailer. The nailer includes a nail tube and a firing pin sleeve. The nailer is characterized in that the wall of the nail tube is provided with one or more relief through holes; and the nailer is provided with a power adjusting device which can block the relief through holes. Beneficial effects of the nailer are that under the premise of not changing an original device operation manner or effects, the wall of the nail tube is provided with the plurality of the relief through holes, and a certain number of the relief through holes can be blocked according to actual needs by utilizing cylinder plugs, thus reducing the explosive power of a nail-shooting pill to obtain most proper explosive power and avoiding a situation that a substrate is broken due to overhigh power.
Owner:宜宾市南溪区鑫盛技术开发有限公司
Warhead for rocket fire extinguishing bomb
PendingCN105444627ASimple structureReduce manufacturing costAmmunition projectilesFire rescueRocketProjectile
The invention relates to a warhead for a rocket fire extinguishing bomb with the capabilities of improving the fire extinguishing effect of the warhead of the fire extinguishing bomb and increasing the throwing area of dry powder. The warhead for the rocket fire extinguishing bomb comprises a pressure ring (1), a nose adapter (2), nose adapter dry powder (3), a supporting plate (4), a central tube (6), a central cartridge igniter (7), fire extinguishing dry powder (8), a projectile base (11) and a projectile body, wherein the projectile body is formed by sequential and fixed connection of a front projectile body (5), a middle projectile body (9) and a back projectile body (10); a plurality of prefabricated through grooves are formed in each of the front projectile body (5), the middle projectile body (9) and the back projectile body (10); one end of the nose adapter (2) is fixedly connected with the mouth of the front projectile body (5); the central cartridge igniter (7) is installed in the central tube (6); the central tube (6) is fixedly connected with the projectile base (11); the fire extinguishing dry powder (8) is filled between the periphery of the central tube (6) and the inner wall of the projectile body; the nose adapter dry powder (3) is filled between the periphery of the central tube (6) and the inner circumference of the nose adapter; and the pressure ring (1) is fixedly connected with the central cartridge igniter (7).
Owner:HUAIHAI IND GRP
High-precision wind measurement system and method based on inertia compensation
PendingCN114019583AShorten the length of the hanging wireReduce swing periodInstrumentsICT adaptationInformation processingCapacitance
The invention discloses a high-precision wind measurement system and method based on inertia compensation, and belongs to the technical field of meteorological detection. The system comprises a sonde, a non-expansion cone angle balloon, a ground wireless data receiving device and a high-precision wind measurement information processing system. The wind measurement precision and the wind measurement spatial resolution are improved based on the inertia compensation and filtering principle, the length of a suspension wire is shortened, the swing period of the sonde is measured in real time through attitude information of an inertia module, targeted filtering is conducted on wind measurement data of the period, the influence of swing of the sonde is filtered out in real time, and the real-time performance and precision of wind measurement are improved; the error caused by airflow disturbance is reduced through rectification of the non-expansion sounding balloon with a taper angle on the surface; the detonation module controls the sounding balloon to detonate and fall. A super capacitor charging and discharging mode is adopted, a low-power battery generates high-power current output, initiating explosive devices are reliably detonated, the detonation height is accurately controlled, and the airspace safety is guaranteed. The system and method have the advantages of high wind measurement precision, high efficiency and high safety.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Color agent for fireworks and crackers and preparation method thereof
ActiveCN111875457AReduce the power of the explosionHigh color purityExplosive working-up apparatusInorganic oxygen-halogen salt explosive compositionsTetrazolePhysical chemistry
The embodiment of the invention provides a color agent for fireworks and crackers and a preparation method of the color agent, wherein the color agent does not contain metal powder, and a combustibleagent is composed of azotetrazolebiguanide and 5-aminotetrazolenitrate. According to the embodiment of the invention, the azotetrazolebiguanide and 5-aminotetrazolenitrate are compounded to replace metal powder used in the prior art, so that the explosion power of fireworks and crackers is reasonably reduced, the safety is improved, and gas is mainly generated after the azotetrazolebiguanide and 5-aminotetrazolenitrate are combusted, so that generation of solid residues is reduced and environment protection is enhanced; what is more, the azotetrazolebiguanide and 5-aminotetrazolenitrate are compounded to replace metal powder, and the overall combustion heat of the medicament can be controlled within a specific range, so that the color purity of the medicament after combustion is improved,and the ornamental effect is improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Blast black powder for fireworks
InactiveCN101270014BNo pollution in the processGood detonation effectInorganic oxygen-halogen salt explosive compositionsFireworksToxic material
The present invention discloses explosive black powder that is used for fireworks. The black powder contains the following components with the following weight portions: 40 to 75 portions of potassium perchlorate, 0 to 35 portions of potassium nitrate, 1 to 5 portions of potassium dichromate, 5 to 15 portions of sulfur, 5 to 25 portions of charcoal, 0.5 to 2 portions of carbon black, and 5 to 20 portions of potassium terephthalic acid or potassium acid phthalate. The explosive black powder is made of the components according to the ratio. No metal material or toxic substances are used. The explosive black powder has the advantages of low mechanical sensitivity, excellent stability, large explosive scale, excellent explosive sound, black medicine, easily prepared raw materials and relatively low cost. Thus the explosive black powder is the ideal explosive black powder.
Owner:湖南省浏阳金生花炮有限公司
Ultralow-temperature liquid hydrogen storage pressure vessel with overhead heat insulation structure
InactiveCN113983346AGood insulation performanceOvercome the disadvantages of concentrated winding on the inner container bodyVessel manufacturingDrawing diesInsulation layerEngineering
The invention discloses an ultralow-temperature liquid hydrogen storage pressure container with an overhead heat insulation structure, which comprises an inner container, an outer container, an interlayer space formed between the inner container and the outer container, and two rows of support columns arranged between the inner container and the outer container along the circumferential direction, a winding heat insulation layer is arranged on the outer wall of a tank body of the inner container, an overhead heat insulation layer is arranged in an interlayer space located between the two rows of supporting columns, gaps are formed between the overhead heat insulation layer and the winding heat insulation layer of the inner container and between the overhead heat insulation layer and the inner wall of a tank body of the outer container respectively, and the overhead heat insulation layer comprises an anti-explosion blocking net ring. The two ends of the anti-explosion blocking net ring are supported on the supporting columns respectively, a layer of heat insulation quilt is fixedly connected to the surface of an inner hole of the anti-explosion blocking net ring, and a layer of reflection aluminum film is arranged on the surface of the outer circle of the anti-explosion blocking net ring. The heat insulation effect of the interlayer space on the ultralow-temperature liquid hydrogen storage pressure container is improved, and the stability of the vacuum degree of the interlayer space is improved.
Owner:JIANGYIN FUREN HIGH TECH
High-hardness emulsion explosive and preparation technology thereof
InactiveCN108586167AHigh hardnessIncreased sensitivityExplosive working-up apparatusPlasticizerEmulsion explosive
The invention discloses a high-hardness emulsion explosive. The high-hardness emulsion explosive comprises the following components: ammonium nitrate, sodium nitrate, a surfactant, a flame inhibitor,a plasticizer, an enhancer, an adhering improving agent and a curing agent. The invention further designs a preparation technology of the high-hardness emulsion explosive. The preparation technology is simple, and easy to carry out; the prepared explosive is high in hardness and high in explosion transfer stability, and high in adaptability in high temperature and underwater environments and otherenvironments; in addition, the raw materials do not include heavy metal and heavy metal oxide; the demand of special explosion work on high-hardness explosive is met.
Owner:宜兴市阳生化工有限公司
Environment-friendly flammable gas firecracker and firecracker string
The embodiment of the invention relates to an environment-friendly flammable gas firecracker and a firecracker string and relates to the technical field of fireworks and firecrackers. The environment-friendly flammable gas firecracker comprises a gas storage bag and an igniting device. The gas storage bag is internally filled with flammable gas. The igniting device comprises an embedded electrodeand two external electric leading devices, the embedded electrode is arranged in the gas storage bag, the two external electric leading devices are arranged at the outer two ends of the gas storage bag respectively, and the two external electric leading devices and the two ends of the embedded electrode are spaced through the bag wall of the gas storage bag respectively. The environment-friendly flammable gas firecracker has the advantages of being high in safety, small in environment pollution, extremely low in explosive capacity, long in gas storage time and good in continuous burning and explosion stability.
Owner:徐佳伟
Cluster Forest Fire Extinguishing Bomb with Multiple Fuzes and Self-Deceleration
The invention provides a cluster type forest fire extinguishing bomb with the characteristics of multiple fuzes and self-deceleration, comprising several cluster type forest fire extinguishing bomb monomers; Superfine dry powder fire extinguishing agent, paper cartridge case, ignition fuze, rotating shaft, eccentric spoiler; the detonating agent is tightly fixed in the center of the cluster forest fire extinguishing bomb through the paper agent case, and the superfine dry powder fire extinguishing agent is filled in the paper cartridge case and the single center of the cluster forest fire extinguishing bomb. Between the paper cartridges, 12 ignition fuzes are evenly distributed on the paper cartridges and are fixedly connected to the detonating cartridges. The rotating shaft is fixed on the outer top of the paper cartridge, and the eccentric spoiler is fixed on the rotating shaft and is folded and attached to the paper. The surface of the shell can be freely rotated with the rotating shaft, and the eccentric spoiler can be opened by the wind. The invention has the characteristics of strong maneuverability, fast response, wide coverage, high hit accuracy and high safety, realizes rapid and efficient forest canopy fire, and can also be flexibly used for confined space fire.
Owner:靖江市华东船舶机械制造有限公司
Color agent for fireworks and firecrackers and preparation method thereof
ActiveCN111875457BReduce the power of the explosionHigh color purityExplosive working-up apparatusInorganic oxygen-halogen salt explosive compositionsFirecrackerDiguanidine
The embodiments of the present invention provide a color agent for fireworks and firecrackers and a preparation method thereof. The color agent for fireworks and firecrackers does not contain metal powder, wherein the combustible agent is composed of azotetrazolium biguanide and 5-aminotetrazole nitrate. The color agent for fireworks and firecrackers provided by the embodiment of the present invention replaces the metal powder used in the prior art by compounding azotetrazolium diguanidine and 5-aminotetrazole nitrate, which not only reasonably reduces the explosive power of fireworks and firecrackers, but also improves safety. properties, and the combustion of azotetrazolium diguanide and 5-aminotetrazole nitrate is mainly gas, which reduces the generation of solid residues and improves environmental protection. More importantly, the use of azotetrazolium diguanidine and The 5-aminotetrazole nitrate compound replaces the metal powder, which can control the overall combustion heat of the agent within a specific range, thereby improving the color purity of the agent after burning and improving the ornamental effect.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
A separate base structure for an aircraft spraying robot
ActiveCN107876264BPlay a protective effectFirmly connectedSpraying apparatusStructural engineeringExhaust pipe
The invention discloses a separated type base structure for an aircraft spraying robot. A support oil cylinder, an electric motor, a turntable, balls, a support plate and a spraying robot body mounting seat are arranged in a matched manner, so that a spraying robot body can be made to rotate along with the turntable and can be changed in up-down height; a clamping arm and a clamping column are arranged in a matched manner, so that a left bottom plate and a right bottom plate can be connected or separated conveniently; the left bottom plate and the right bottom plate can move conveniently by arranged wheels; a protective box, baffles, all protective pipes, all sealing pipe sleeves, an inner protective cover, a gas delivery pipe and an exhaust pipe are arranged in a matched manner, devices needing to be isolated from dust generated during the spraying work can be protected effectively through the made inert gas environment, and potential hazards of combustion and explosion can be eliminated; and anti-explosion sealing layers are arranged, and the anti-explosion sealing layers play a role in sealing and have the effect of reducing the brisance. The separated type base structure has the good isolating and protective effects on a connecting socket, the generation of combustion and explosion accidents is avoided, and moving and mounting are convenient.
Owner:JIANGSU CHANGHONG INTELLIGENT EQUIP CO LTD
Emergency disposal box and emergency disposal device for aircraft cabin
ActiveCN106621114BSolve the difficult problem of fire and combustionSmall and compact designFire rescueEmergency apparatusMarine engineeringMechanical engineering
Owner:CHINA ACAD OF CIVIL AVIATION SCI & TECH
A transformer fire prevention device used in chemical industrial park
The invention discloses a transformer fire protection device used in a chemical industrial park, which comprises a flat ground, a foundation pit is opened on the upper end surface of the flat ground, a protective steel box is placed in the flat ground and below the foundation pit, and the protective steel box is placed below the foundation pit. The upper end surface of the steel box is movably provided with a movable seat, and a transformer assembly is fixedly installed on the movable seat, and four sets of sheaths are symmetrically and fixedly installed on the bottom of the protective steel box, and guide columns are movably installed in the sheath and the The upper end of the guide column is welded to the movable seat, and a cylinder is erected at the middle position of the bottom of the protective steel box. The transformer fire protection device used in the chemical industrial park according to the present invention drives the movable seat to descend through the power of the cylinder, enters the protective steel box, and transfers the transformer on the ground downward to the protective steel box, and at the same time, the cover is automatically closed. Close and seal the transformer, prevent the spread of fire and prevent explosion due to fire, applicable to different working conditions, and bring better prospects for use.
Owner:ANHUI DONGYUAN ELECTRIC POWER CO LTD
Intelligent nitrogen-fine water mist system for lowering implosion damage and subsequent combustion of naval ship
ActiveCN110127012AAvoid damageImprove the protective effectDefensive equipmentOffensive equipmentCombustionNitrogen
The invention relates to the technology of nitrogen-fine water mist explosion suppression, in particular to an intelligent nitrogen-fine water mist system for lowering implosion damage and subsequentcombustion of a naval ship. The intelligent nitrogen-fine water mist system includes a water tank, a water pump, a base, a high-pressure nitrogen bottle set, a control valve, an intelligent control table, a cabin, a water-mist concentration monitor, a nitrogen concentration monitor, an acceleration sensor, a two-phase flow nozzle a and a two-phase flow nozzle b, wherein the water-mist concentration monitor, the nitrogen concentration monitor, the acceleration sensor, the two-phase flow nozzle a and the two-phase flow nozzle b are arranged on the cabin, the two-phase flow nozzle a and the two-phase flow nozzle b are connected to the water pump through a water pipe, the water pump is connected to the water tank through a water pipe and fixed to the base, the two-phase flow nozzle a and the two-phase flow nozzle b are connected to the control valve through an air pipe, the control valve is connected to the high-pressure nitrogen bottle set through an air pipe, the water pump, the controlvalve, the water-mist concentration monitor, and the nitrogen concentration monitor and the acceleration sensor are connected to the intelligent control table through wires.
Owner:WUHAN UNIV OF TECH
Warhead of a water-based fire extinguishing bomb
ActiveCN105423828BReduce harmIncrease burn rateAmmunition projectilesFire rescueWater basedShortest distance
Owner:ANHUI HUSN KEWAN SPECIAL CASTING
An intelligent nitrogen-water mist system to reduce ship implosion damage and subsequent combustion
ActiveCN110127012BAvoid damageImprove the protective effectDefensive equipmentOffensive equipmentEnvironmental engineeringControl valves
The invention relates to nitrogen-water mist explosion suppression technology, in particular to an intelligent nitrogen-water mist system for reducing ship implosion damage and subsequent combustion, including a water tank, a water pump, a base, a high-pressure nitrogen cylinder group, a control valve, an intelligent Console, cabin, water mist concentration monitor, nitrogen concentration monitor, acceleration sensor, two-phase flow nozzle a and two-phase flow nozzle b, water mist concentration monitor, nitrogen concentration monitor, acceleration sensor, two-phase flow nozzle a The two-phase flow nozzle b is installed on the cabin, the two-phase flow nozzle a and the two-phase flow nozzle b are connected to the water pump through the water pipe, the water pump is connected to the water tank through the water pipe, the water pump is fixed on the base, the two-phase flow nozzle a and the two-phase flow Nozzle b is connected to the control valve through the air pipe, the control valve is connected to the high-pressure nitrogen cylinder group through the air pipe, and the water pump, control valve, water mist concentration monitor, nitrogen concentration monitor and acceleration sensor are connected to the intelligent console through wires.
Owner:WUHAN UNIV OF TECH
Fabricated fireproof and explosion-proof composite board
PendingCN112282253AFirmly connectedImprove installation efficiencyCovering/liningsSound proofingWater storage tankComposite plate
The invention discloses a fabricated fireproof and explosion-proof composite board, and relates to the technical field of engineering structure protection. The fabricated fireproof and explosion-proofcomposite board comprises a composite board main body, an L-shaped support is welded to the side face of the composite board main body, the composite board main body comprises an external board and an internal board, shockproof springs and damping base plates are welded to one face of the internal board, air guide holes are formed in the two opposite side faces and one surface of the external board, a sound absorption plate is installed on one face of the external board, and a water storage tank is arranged on one face of the sound absorption board. The L-shaped support is arranged so that composite boards are convenient to mount; by arranging the shockproof springs, explosion impact is reduced; by arranging the damping base plates, impact force is absorbed, and the composite plates are protected; by arranging the air guide holes, explosive shock waves are dispersed, and explosive power is reduced; by arranging the sound absorption plate, the sound insulation capacity of the compositeboards is enhanced; and by arranging the water storage tank, the composite boards are prevented from being burnt by burning fire.
Owner:GOLD MANTIS FINE DECORATION TECH SUZHOU CO LTD
Thin-walled high-strength crop straw gasifier
ActiveCN108865281AImprove air tightnessExtended service lifeGasifier mechanical detailsGasification processes detailsMetallurgyCombustible gas
The invention belongs to the technical field of gasifiers and particularly discloses a thin-walled high-strength crop straw gasifier which comprises a furnace body, a furnace grate, a feeding hole anda gas outlet; the furnace grate is arranged in the furnace body, is used for piling crop straws and divides the interior of the furnace body into two portions; the feeding hole is formed in the upperside of the furnace body and is used for putting the crop straws in the furnace body; and the gas outlet is formed in the upper side of the furnace body and on the right side of the feeding hole andis used for exhausting combustible gas after gasification. For the thin-walled high-strength crop straw gasifier provided by the invention, the using performance of the gasifier can be improved.
Owner:绩溪县徽菜宝生物科技有限公司
Hinge structure and explosion-proof case
PendingCN114562168AReduce risk of damageExtended service lifeCasings/cabinets/drawers detailsHingesEnergy absorptionMechanical engineering
The hinge structure comprises two hinge parts which are hinged to each other, the two hinge parts are used for being fixed to respective corresponding target bodies, at least one hinge part is provided with a corresponding energy absorption buffering assembly, the energy absorption buffering assembly comprises a fixed part and a sliding part, and the fixed part is provided with a sliding part. The fixed part is fixed relative to the position of the corresponding target body, and the sliding part is connected with the corresponding hinge part and is in damping sliding fit with the fixed part, so that the hinge part corresponding to the sliding part is fixed to the corresponding target body; when the case explodes, the sliding part can slide for a preset distance relative to the fixed part, so that a certain gap is formed between the target bodies corresponding to the two hinge parts; wherein the target bodies corresponding to the two hinge parts are a case wall and a door body respectively. According to the hinge structure, due to the existence of the energy absorption buffering assembly, a gap can be formed between the door body and the case wall during explosion, pressure is released, and the situation that the door body flies to hurt people is effectively avoided.
Owner:SUNGROW POWER SUPPLY CO LTD
Explosion-proof device for industrial powdery explosive production line
ActiveCN110526789APrevent splash damage to human bodyReduce shockExplosive working-up apparatusIndustrial engineeringProduction line
The invention provides an explosion-proof device for an industrial powdery explosive production line. The explosion-proof device for the industrial powdery explosive production line comprises an explosion-proof box, a cooling conveyor, a discharge conveyor, and a liquid cooler, the explosion-proof box is fixedly arranged on the outer sides of the cooling conveyor and the discharge conveyor, a through hole is formed in the upper end of the explosion-proof box, a feeding opening is fixedly connected into the through hole, the lower end of the feeding opening communicates with the cooling conveyor, the front end of the cooling conveyor is fixedly connected with a motor box, a motor is fixedly connected into the motor box, a screw conveying rod is fixedly connected with the transmission outputend of the motor, and spiral conveying blades are fixedly connected to the front and outer sides of the spiral conveying rod. The explosion-proof device for the industrial powdery explosive production line has the functions of explosion venting and explosion prevention, when a machine which cannot undergo complete explosion venting explodes, machine debris can be effectively prevented from splashing and damaging the human body, the impact of the explosion can be effectively buffered, fire caused by the explosion is prevented, when a segment explodes, and the explosion range is controlled withthe segment to prevent chain explosions caused by the fire caused by the explosion.
Owner:重庆神斧锦泰化工有限公司
An explosion-proof device for an industrial powder explosive production line
ActiveCN110526789BAvoid damageIt has the function of explosion-proof and explosion-proofExplosive working-up apparatusProduction lineExplosive Agents
Owner:重庆神斧锦泰化工有限公司
Ultralow-temperature liquid hydrogen storage pressure vessel interlayer space vacuumizing method and device
InactiveCN114033963AIncrease vacuumShorten the timeEngine sealsVessel manufacturingVacuum pumpingLiquid hydrogen
The invention discloses an ultralow-temperature liquid hydrogen storage pressure vessel interlayer space vacuumizing method and device. The vacuumizing method adopts a wire drawing material reducing vacuumizing method and comprises the following steps that: (1), a metal wire is preset: in the manufacturing stage of the ultralow-temperature liquid hydrogen storage pressure vessel, an ultra-long metal wire with a certain volume and weight is put in an interlayer space of the ultralow-temperature liquid hydrogen storage pressure vessel in advance, meanwhile, a micro-perforated hole is formed in the tank wall of an outer container of the ultralow-temperature liquid hydrogen storage pressure container, one end of the metal wire penetrates through the micro-perforated hole from the interior of the interlayer space and then extends out of the tank wall of the outer container, and the metal wire and the micro-perforated hole are in interference sealing fit through wiredrawing; and (2), wire drawing and material reducing are conducted, specifically, the metal wires are pulled from the outside, the metal wires preset in the interlayer space are gradually drawn out in a wire drawing mode, and after wire drawing and material reducing are conducted, the micro-perforated holes where the metal wires penetrate are sealed from the outside through a surfacing method. The vacuum pumping efficiency can be improved, the vacuum pumping energy consumption is reduced, and the vacuum degree of the interlayer space of the ultralow-temperature liquid hydrogen storage pressure container is improved.
Owner:JIANGYIN FUREN HIGH TECH
Lithium battery safety protection device using liquid-containing heat-insulation board and battery pack
PendingCN108963126ASave energyReduce the power of the explosionBattery isolationFire extinguisherElectrical batteryEngineering
The invention provides a lithium battery safety protection device using a liquid-containing heat-insulation board, the lithium battery safety protection device comprises a porous heat-insulation board, the porous heat-insulation board contains a liquid fire extinguishing agent, the porous heat insulation board is externally provided with a leakage-proof outer package, the leakage-proof outer package is closed by a sealing member, and the porous heat-insulating plate and the leakage-proof outer package are fixedly mounted on the side of a lithium ion battery. The present invention also providesa lithium ion battery pack having the lithium battery safety protection device using the liquid-containing heat-insulation board. Compared with the prior art, the lithium battery safety protection device can effectively prevent the heat transfer phenomenon among single lithium batteries, reduces energy generated by the explosion of the lithium battery, and avoids the ignition of the lithium ion battery, thereby effectively reducing chain reaction produced by the ignition or explosion of the lithium ion battery, and greatly improving the safety performance of the lithium ion battery.
Owner:SUZHOU YOULION BATTERY INC
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