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85results about How to "Prevent explosion accidents" patented technology
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Production method of explosion inhibiting material
InactiveCN1904103ACrystallization changes and uniformImprove bending effectRoll mill control devicesMetal rolling arrangementsChemical compositionSludge
This invention relates to the process of a kind of explode restrain material. chemical composition of it includes Si 0.1-0.6,Fe 0.2-0.7,Cu 0.05-0.1,Mn 0.6-1.2,Zn 0.05- 0.1,Ti 0.03-0.12,Na 0.02-0.07,and Al the rest .the process includes steps as follows: melt, de-sludge and de-airing, make body, milling, first anneal, hot press, cold press, second anneal, stamp to open the sew, tension.
Owner:王季庄 +1
Automatic fuel adjustment system and method of multi-fuel fired boiler
InactiveCN103486607AImprove securityPrevent explosion accidentsFuel supply regulationAutomatic controlAutomotive engineering
The invention discloses an automatic fuel adjustment system of a multi-fuel fired boiler, and belongs to the technical field of automatic control. The automatic fuel adjustment system solves the problems that in the prior art, due to the lower pressure of the coal gas of a pipeline, coal gas blasting is easily caused in an existing fuel adjustment system, quality of automatic fuel adjustment is poor, and the heat loss is large. The system comprises an automatic control module, a detection module and a valve module, wherein the automatic control module judges the burning state of the boiler according to the difference value between the overheating steam pressure measuring value detected by the detection module and the preset boiler overheating steam pressure setting value and transmits a corresponding command to the valve module, the detection module is used for detecting various parameters of boiler burning and transmitting the corresponding parameters to the automatic control module, the valve module receives the command from the automatic control module, adjusts fuel of a corresponding fuel layer, and can manually adjust valves in the modules, and the automatic control module is respectively connected with the detection module and the valve module. The invention further provides an automatic fuel adjustment method of the multi-fuel fired boiler. The automatic fuel adjustment system and method of the multi-fuel fired boiler are suitable for fuel adjustment of the multi-fuel fired boiler.
Owner:PANGANG GRP PANZHIHUA STEEL & VANADIUM
PVB intermediate film with fireproof function
The invention belongs to the field of plastic molding technology, and more particularly relates to a PVB intermediate film with the fireproof function, which is prepared by substances based on the parts by weight: 50-150 parts of PVB resin with 16-24% of hydroxyl content, 20-75 parts of flame-retardant plasticizer, 0.1-0.5 part of antioxidant, 0.05-0.2 part of ultraviolet absorbent and 0-0.1 part of bonding force adjusting agent. The PVB intermediate film can prevent kettle explosion accident caused by the plasticizer in a high-pressure kettle, the content of which reaches or exceeds explosion limit, thus avoiding loss; the PVB intermediate film has good optical property and mechanical property, realizes UL94 (0.8mm) V-0 level inflaming retarding effect, and is high in safety; and the PVB intermediate film can be widely applied to the field of sandwich glass of a high-rise building, an automobile, aviation, navigation and the like.
Owner:ZHEJIANG DECENT PLASTIC
Device and method for measuring dissolution heat of high-mechanical sensitiveness energetic material
ActiveCN104391005AAvoid accidentsPrevent explosion accidentsMaterial heat developmentHeat flowCentrifugation
The invention discloses a device and a method for measuring dissolution heat of a high-mechanical sensitiveness energetic material. The problem that dissolution heat cannot be measured or cannot be accurately measured due to a dangerous accident caused by operations such as puncture and impact when the dissolution heat of the high-mechanical sensitiveness energetic material is measured by using a conventional calorimeter is solved. According to the device, the energetic material is contained in a sample tank, a solute is dissolved in a solvent by virtue of centrifugation and infiltration actions after stirring by using a motor, the sample and the reference heat difference are transmitted to a recorder by virtue of a sensor, and the recorder records a heat change signal in a heat flow form. The method for measuring the dissolution heat of the high-mechanical sensitiveness energetic material, disclosed by the invention, comprises six steps. The device and the method disclosed by the invention can be used for measuring the dissolution heat of the energetic material by using the calorimeter, the uniform stirring can be realized, the dangerous operations such as the puncture and the impact are avoided, the risk in the test process is reduced, and the accuracy of testing data is improved.
Owner:XIAN MODERN CHEM RES INST
Method for treating stainless steel smelting slag
The invention discloses a treatment method for stainless steel smelting slag, comprising three technologic steps: air cooling step; spraying, dipping and cooling step; as well as slag dumping step. Compared with the existing stainless steel slag treatment method, the method of the invention has an additional air-cooling step before the spraying, dipping and cooling step to evenly release the heat of the high-temperature liquid slag so as to effectively reduce the jet blast incidents; in addition, the slag is cooled and contracted to cause cracks so as to achieve better effects in the spraying, dipping and cooling step. In the spraying, dipping and cooling step, water is firstly uninterruptedly sprayed and then intermittently sprayed, followed by temperature measurement when the slag is in standing state, so as to ensure the slag cooling effect; the method can effectively prevent liquid-like slag in a slag tank, thereby avoiding jet blast caused by water in the slag dumping process.
Owner:SHANGHAI NO 1 IRON & STEEL CO LTD BAOGANG GRP
Energy-absorbing collision-resistant road guardrail for smart city
ActiveCN112211135AReduce kinetic energyPut an end to fireRoadway safety arrangementsEnergy absorptionSmart city
The invention discloses an energy-absorbing collision-resistant road guardrail for a smart city, and particularly relates to the field of smart cities, the energy-absorbing collision-resistant road guardrail comprises a mounting stand column and a wave-shaped protective guard, the surface of the mounting stand column is fixedly sleeved with a fixed sleeve seat, a supporting connecting seat is fixedly mounted on the inner side of the fixed sleeve seat, and a collision energy-absorbing mechanism is fixedly mounted on the top surface of the supporting connecting seat; deformation connecting lug bases are fixedly installed on the inner sides of the waveform protective fences, top connecting bases are fixedly installed on the inner sides of the deformation connecting lug bases, and the outer sides of the collision energy absorption mechanisms are fixedly sleeved with protective layers. By arranging the deceleration buffer mechanism, redirection of vehicle collision is achieved through rotation of the vehicle accidental collision energy absorption mechanism, kinetic energy of the vehicle is slowly reduced through rotation friction of the collision energy absorption mechanism of the vehicle and the guardrail, and high temperature and sparks are prevented from being generated during friction through the protective layer structure on the outer side; accidents of vehicle fire disasters and explosion are eradicated, and the safety performance of the protective fence is improved.
Owner:秋晨阳
Additive used for fireworks medicament pelletizing process and adding method thereof
InactiveCN102219626ALow costReduce dosageNon-explosive/non-thermic compositionsFirecrackerBonding process
The invention relates to an additive used for fireworks medicament pelletizing process and an adding method thereof, belonging to the field of fireworks and firecrackers. Potassium dichromate and cooked glutinous rice flour are taken as the additive, wherein the mass of the potassium dichromate accounts for 1%-3% of the total mass of fireworks medicament, and the particle size of the potassium dichromate is smaller than 80 meshes; and the cooked glutinous rice flour is taken as adhesion agent, and the mass of the cooked glutinous rice flour accounts for 1%-4% of the total mass of the fireworks medicament. The adding method is as follows: when mixing medicament raw material, adding potassium dichromate with the mass accounting for 1%-3% of the total mass of the medicament, and the particle size being smaller than 80 meshes, mixing uniformly; and in the bonding process, replacing the additive by the cooked glutinous rice flour accounting for 1%-4% of the total mass of the medicament, and preparing the cooked glutinous rice flour into 3%-8% of water solution. In the invention, the additive is low in cost, the using amount is little, the adding process is simple, the problem of heat accumulation in the pelletizing process of the fireworks medicament is solved, so that the temperature of the medicament is the same as that of the environment, the explosion accident is avoided, and the additive can not affect the setting-off performance of the original medicament formula.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Explosion-suppressing material and preparation method thereof
InactiveCN102634703AImprove extrusion resistanceGood anti-collapseFire rescueBoring toolsChemical compositionPerformance index
The invention belongs to a preparation method of an explosion-suppressing material. The explosion-suppressing material comprises the following chemical compositions by weight percent: 0.3-0.5 percent of Si, 0.1-0.3 percent of Fe, 0.15-0.25 percent of Cu, 1.0-1.5 percent of Mn, 1.0-1.5 percent of Mg, 0.1-0.3 percent of Zn, 0.15-0.25 percent of Ti, 0.03-0.06 percent of La, 0.05-0.09 percent of Ce and the balance Al. A grain structure of the explosion-suppressing material is refined by adopting a repeated heating forging and pressing method. The explosion-suppressing material provided by the invention has excellent extrusion resistance, collapse prevention, zero dreg-falling and high-strength explosion-suppressing property. The performance indexes of the explosion-suppressing material, such as strength, plasticity, fracture toughness and fatigue resistance, are greatly increased according to the preparation method; the technology is simple and is easily performed; and the service life of the explosion-suppressing material is prolonged.
Owner:王季庄
Overhead anti-explosion air conditioner
InactiveCN102901153AAvoid it happening againAvoid accidentsSpace heating and ventilation safety systemsLighting and heating apparatusCombustionOil drilling
The invention relates to an overhead anti-explosion air conditioner. An air conditioner shell is arranged on a top plate of a cabin and internally and successively provided with an evaporator, a centrifugal fan, a totally closed rotary compressor, an anti-explosion motor, an anti-explosion line control box, an axial fan and a condenser, wherein an air outlet return panel is arranged below the top plate of the cabin; an air outlet of the air outlet return panel is communicated with an air return inlet of the air outlet return panel through an air outlet tube, the centrifugal fan and the evaporator successively; and the cable joints of the evaporator, the condenser, the totally closed rotary compressor, the anti-explosion motor and the anti-explosion electric control box are encapsulated by anti-explosion glue. The anti-explosion air conditioner is reasonable in structural design and high in protection level, can effectively prevent electric spark, arc light or dangerous temperature, avoids combustion or explosion accidents, improves the explosive-proof effect of the air conditioner, ensures the safe use of the air conditioner, and is suitable for oil drilling, chemical engineering and ambient temperature regulation of various occasions with combustible and explosive substances and gas.
Owner:JIANGSU JOSUN AIR CONDITIONER
Straight pipe header coil pipe type reactor for waterway natural circulation
PendingCN106582455AImprove stability and securityReduce thermal stressOrganic compound preparationPreparation by carbon monoxide or formate reactionWater dischargeEngineering
The invention discloses a straight pipe header coil pipe type reactor for waterway natural circulation. The heat exchange pipe bundles comprise a water outlet pipe, an upper straight pipe header, coil pipes, a lower straight pipe header, branch pipes, annular pipes and a water inlet pipe, the water discharge pipe is connected to the top of a pressure-loaded housing, the upper straight pipe header is connected to an inlet of the water discharge pipe and outlets of the coil pipes respectively, the coil pipes are distributed in the axial direction of the pressure-loaded housing, the lower straight pipe header is connected to inlets of the coil pipes and outlets of the branch pipes respectively, the water inlet pipe is connected to the bottom of the pressure-loaded housing, and the annular pipes are connected to a water inlet pipe and the branch pipes respectively. According to the straight pipe header coil pipe type reactor for the waterway natural circulation, the coil pipes are adopted as a main heat exchange pipe bundle, the coil pipe bundle thoroughly removes thermal stress in the axial direction and the radial direction; an outer air cylinder and inner air cylinder technology are adopted to ensure air radically flow through a catalyst bed layer, and the flow directions of the air and water are in a perpendicular state; waterway circulation between the vapor bag and the coil pipe bundle is adopted as natural circulation, and the waterway circulation percentage is high; the catalyst is high in filling amount, strong in heat motion ability and easy for upsizing.
Owner:NANJING DUNXIAN CHEM TECH
Portable electronic device and its radiating method and charging seat
InactiveCN1856238AReduce internal temperatureExtended service lifePrinted circuit detailsCouplings bases/casesHeat conductingBiochemical engineering
The invention in concerned with a radiation method, which processes radiate to a portable electronic equipment, including: provides a heat conducting module and a radiation module, the heat conducting module is set in the portable electronic equipment, the radiation module is set in a charging seat, the radiation method contact the heat conducting module, educes the heating quantity of the portable electronic equipment by the conductive mode, finally the radiation method processes the radiation of the heating quantity by the mode of the convection or the conduction.
Owner:HTC CORP
Fuel mode switching system for double-fuel locomotive and switching method of fuel mode switching system
ActiveCN105240162AReduce potential riskGuaranteed uptimeElectrical controlInternal combustion piston enginesMicrocomputerEngineering
The invention provides a fuel mode switching system for a double-fuel locomotive and a switching method of the fuel mode switching system. The double-fuel locomotive comprises an engine, an engine electronic injection controller and an LNG tank. The switching system comprises a liquid supply cut-off valve, a gasifier, a safety valve, a gas inlet electromagnetic valve, a blow off valve, a methane detection system and a locomotive microcomputer. By means of the fuel mode switching system for the double-fuel locomotive and the switching method of the fuel mode switching system, safety guarantee control over the double-fuel locomotive is achieved, and safety of the mode switching of the double-fuel locomotive is improved to a great extent.
Owner:CRRC ZIYANG CO LTD
Automatic energy-storage emergency system for multiple guns
InactiveCN103008271AExceeding the tolerable elastic valuePrevent explosion accidentsPressure pumpsMachines/enginesAutomatic controlWater tanks
Owner:武汉沁新科技有限公司
Continuous silicon carbon negative dynamic CVD sintering furnace
ActiveCN110500879AGood overall sealingAchieve continuous mass productionCharge composition/stateRotary drum furnacesFlangeSilicon
The invention discloses a continuous silicon carbon negative dynamic CVD sintering furnace, which comprises an installation platform, a spiral feeder, a furnace head cover, a furnace pipe and a furnace tail cover, wherein the head end of the furnace pipe is positioned in the furnace head cover and the tail end of the furnace pipe is positioned in the furnace tail cover, the spiral feeder is joinedwith the furnace head cover, and a discharging port is formed in the furnace tail cover; the part, outside the furnace head cover, of the head end of the furnace pipe is provided with a first sealingflange, a first corrugated pipe is arranged between the first sealing flange and the furnace head cover, the first sealing flange is in sealing connection with the first corrugated pipe, and a firstexhaust hood is sleeved on the outer periphery of the connection between the first sealing flange and the first corrugated pipe; the part, outside the furnace tail cover, of the tail end of the furnace pipe is provided with a second sealing flange, a second corrugated pipe is arranged between the second sealing flange and the furnace tail cover, the second sealing flange is in sealing connection with the second corrugated pipe, and a second exhaust hood is sleeved on the outer periphery of the second sealing flange and the second corrugated pipe. The sintering furnace adopts the exhaust hood to timely exhaust the gas capable of leaking so as to prevent the danger of explosion caused by the leakage of dangerous gas, and the sintering furnace has good overall sealing property, is safe and reliable.
Owner:48TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP
Safety sealed detonation device and safety detonation method
ActiveCN107014261AImprove airtightnessImprove detonation performanceFluid removalBlastingDetonatorDetonation
The invention discloses a safety sealed detonation device and a safety detonation method, belonging to the construction field of oil-gas well perforating operation and building foundation pit blasting, and aiming to solve the problem that the traditional detonator cannot realize integrative sealing. The device comprises a detonation device lifting pipe fitting, a pressure relief and chip removal hole, a positive sealing device, an explosion joint, a firing gear crash helmet, a firing gear, a miniature detonation device, a detonation propagating device and a negative sealing device, wherein the miniature detonation device and the firing gear are arranged on the detonation propagating device in order; the firing gear crash helmet is buckled on the firing gear, and the positive sealing device is arranged between the firing gear and the explosion joint; the detonation propagating device comprises a detonation propagating shell, a booster primer and an energy cavity, the energy cavity is positioned in the bottom of the detonation propagating shell, and the booster primer is arranged in the detonation propagating shell. The device self is wholly sealed, can still keep good leakproofness and detonation capacity in the under environment, and is not easy to be affected with damp and lose efficacy after meeting water.
Owner:GANSU RES INSTION OF CHEM IND GRICI +1
Long bag pulse spraying dust collector capable of preventing bag explosion
InactiveCN101708404AGuaranteed uniformityOvercome too fast ascentHuman health protectionDispersed particle filtrationMiddle lineBuilding material
The invention discloses a long bag pulse spraying dust collector capable of preventing bag explosion, belonging to the technical field of dust collecting devices. The invention aims to provide a long bag pulse spraying dust collector with low resistance, high efficiency and good performance of sealing, heat-insulating, flame prevention and explosion prevention, which can clean dust under low pressure pulse spraying condition. Based on the traditional long bag pulse spraying dust collector, a side wall plate close to a bag chamber (6) in an air inlet passage (24) is set as a grid plate (26), i.e. rectangular grid holes (27) staggered in a horizontal-longitudinal direction area are arranged on the side wall plate at the lower part of a flow guide plate (25), the longitudinal central line of the rectangular grid hole corresponds to the central line between two rows of filtering bags. At the same time, a pressure relieving explosion-proof device (11) with a double-layer structure and a low pressure submerging pulse valve (15) are adopted. The invention can be widely used for collecting dust contained in dust gas with high concentration and explosive performance generated by industrial coal powder preparing systems such as metallurgy, electric power, building materials and the like, thereby realizing the aim of low resistance, high efficiency and anti-explosion.
Owner:HEFEI CEMENT RES DESIGN INST
Blasting excavation method for side slope rock mass with deep fissures
The invention discloses a blasting excavation method for a side slope rock mass with deep fissures. The method comprises the steps of drilling holes and obtaining the distribution of joint fissures, dividing each blast hole penetrating through the fissure area into a lower coupling charging section, a fissure area weakening charging section and an upper conventional charging section according to the distribution of the fissure area in the blast holes, charging the blast holes in a segmented mode, plugging the blast holes, and detonating in a networking mode. The blast holes with joint fissurescommunicated with one another are detonated in a segmented and networking mode in areas, the other blast holes are detonated in a conventional networking mode, and each hole adopts hole-bottom detonation. According to the invention, segmented charging is adopted, the charging is weakened in the fissure area, gaps between explosive cartridges and blast hole walls are filled with rock debris, and adetonation gas can be prevented from leaking too early through the joint fissures, so that the pressure peak value and the duration time of the detonation gas can be increased, and the gas wedge effect of the detonation gas can be brought into full play; and the blast holes with joint fissures communicated with one another are detonated in a grouping and networking mode in areas, so that the adverse effect of the first detonating blast holes on the later detonating blast holes through the joint fissures can be avoided, and the occurrence of an explosion rejection accident is avoided.
Owner:SINOHYDRO BUREAU 7 CO LTD +1
Low-temperature liquid treatment device and construction method thereof
PendingCN111238162APrevent proliferationAvoid formingDomestic cooling apparatusSewerage structuresStructural engineeringProcess engineering
The invention provides a low-temperature liquid treatment device. The device comprises an accommodating structure, a reinforcing structure, a protective structure and a heat conduction structure, wherein the accommodating structure comprises an accommodating inner cavity formed under the ground and used for accommodating liquid, and a first opening for making the accommodating inner cavity communicate with the outside; the reinforcing structure is arranged on the inner wall surface of the accommodating structure and is used for reinforcing the accommodating inner cavity; the protective structure is arranged on the periphery of the first opening and is provided with a protective body extending in the direction far away from the accommodating structure; and the heat conduction structure is located above the bottom wall face of the accommodating structure, and a reinforcing structure is arranged between the heat conduction structure and the accommodating structure. When the device is usedfor treating a waste liquid propellant, large equipment is not needed, and the treatment cost and the treatment difficulty of the waste liquid are effectively reduced; and the occupied area is small,treatment of the large-flow waste liquid propellant can be achieved, and the advantages of being low in cost, large in treatment flow and high in treatment efficiency are achieved. The invention further discloses a construction method of the low-temperature liquid treatment device, and the construction method is suitable for constructing the device.
Owner:BEIJING INST OF AEROSPACE TESTING TECH
Polysilicon waste gas treatment and waste heat utilization device and process
PendingCN106731611AEfficient recyclingReduce consumptionDispersed particle separationEnergy inputElutionEngineering
The invention discloses a polysilicon waste gas treatment and waste heat utilization device and a polysilicon waste gas treatment and waste heat utilization process. The waste gas treatment and waste heat utilization device comprises a waste gas condensation recovery tank, a waste gas elution column Alpha, a waste gas elution column B, an alkaline liquor pond and a liquid seal water tank, wherein the waste gas condensation recovery tank is connected in series to a waste gas pipe used for gathering the waste gas, the tail end of the waste gas pipe is connected with the waste gas elution column Alpha, the bottom part of the waste gas elution column Alpha is arranged in the alkaline liquor pond, the waste gas elution column Alpha is connected with the waste gas elution column B through a communication pipe, the bottom part of the waste gas elution column B is arranged in the alkaline liquor pond, the waste gas elution column B is connected with a blow-down pipe arranged in the liquid seal water tank through an exhaust pipe, the alkaline liquor pond is further connected with the bottom parts of the waste gas elution column Alpha and the waste gas elution column B through an alkaline liquor pipe, an alkaline liquor pump is arranged in a pipeline of the alkaline liquor pipe, and a waste heat utilization mechanism is arranged in a reaction area of the waste gas elution column Alpha. Due to the polysilicon waste gas treatment and waste heat utilization device and the polysilicon waste gas treatment and waste heat utilization process, the chlorosilane is effectively recycled, environmental pollution is solved, and energy consumption is reduced.
Owner:LESHAN VOCATIONAL & TECHN COLLEGE +2
Method for safely preparing fireworks chemical by boiling granulating process
InactiveCN102206126AReduce dosageImprove fluidityNon-explosive/non-thermic compositionsPrillAdhesive
The invention relates to a method for safely preparing fireworks chemical by a boiling granulating process and belongs to the field of fireworks. The method disclosed by the invention comprises: placing raw materials weighed in a firework chemical mixing ratio in a closed container, adding potassium bichromate with a particle size of less than 80 meshes in an amount which is 1 to 3 percent based on the total mass of the chemical; mixing by an air flow at a rate of 1 to 2m / s till uniformness; atomizing and spraying aqueous solution of cooked sticky rice powder into the closed container, and preparing the atomized solution of adhesive and the chemical in the closed container into granular chemicals by using an air flow at a rate of 1 to 2m / s and at a temperature ranging from room temperature to 60 DEG C, and drying to obtain the firework product. In the invention, the dose of the additive is small, the addition and granulation processes are simple, and the blast accidents caused by heat accumulation is avoided. Meanwhile, the prepared chemical particles are uniform, the freerunning property is high, dust is prevented, and the explosion stability of the firework products made by the chemical particles is higher.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Sludge harmless condensation greening bag and method
PendingCN109956645AAvoid pollutionRealize green treatmentSludge treatment by de-watering/drying/thickeningFixation/solidifcation sludge treatmentSludgeActivated carbon filtration
The invention discloses a sludge harmless condensation greening bag and a method. The greening bag comprises a waterproof bag body, which is communicated with a sludge inlet pipe; a filtering box bodyis fixed on the inner wall of the waterproof bag body; a plurality of water holes are formed in the surface of the filter box body; a gravel filtering layer and an activated carbon filtering layer are fixed in the filtering box body; the activated carbon filtering layer is located on the inner side of the gravel filtering layer; the filtering box body is communicated with a water outlet; at leastone green plant transpiration area is paved on the upper surface of the waterproof bag body and comprises a covering film, a biological capsule and a degradable permeable layer at the bottom, a breathable covering film layer is arranged above the degradable permeable layer, and a water retention layer is arranged between the degradable permeable layer and the breathable covering film layer; the biological capsules penetrate through the breathable film covering layer and are inserted into the water retention layer. The greening bag is simple in structure and convenient to use, the problem thatthe surrounding environment is easily polluted in the sludge treatment process is solved, meanwhile, green plant treatment on the ground is achieved, and in addition, underground water pollution caused by sewage seepage in sludge is also prevented.
Owner:深圳市洪桦环保科技有限公司
Spiral pipe jacket type axial reactor
PendingCN108654522ALarge amount of loadingImprove heat transfer abilityChemical/physical processesEngineeringWater jacket
The invention discloses a spiral pipe jacket type axial reactor. The spiral pipe jacket type axial reactor is characterized in that an upper seal head and a lower seal head are respectively fixedly arranged at the top part and bottom part of a cylinder body; a spiral heat exchange pipe is distributed in the axial direction of the cylinder body; an upper flat pipe plate header is communicated withthe water drain end of the spiral heat exchange pipe, and a lower flat pipe plate header is communicated with the water intake end of the spiral heat exchange pipe; the upper flat pipe plate header iscommunicated with a water collecting box, and the lower flat pipe plate header is communicated with a water distribution box; the upper flat pipe plate header and the lower flat pipe plate header arerespectively supported at the upper part and lower part of the cylinder body; both ends of a center fixed cylinder are respectively fixedly arranged on the upper flat pipe plate header and the lowerflat pipe plate header; a water jacket inner plate is covered onto the spiral heat exchange pipe along the outer wall of the spiral heat exchange pipe; a water jacket space is formed between the waterjacket inner plate and the cylinder body and is used for water to flow. The spiral pipe jacket type axial reactor has the advantage that by adopting the water jacket and spiral heat exchange pipe combination scheme, the whole catalyst bed layer can be uniformly cooled without overtemperature coking.
Owner:NANJING DUNXIAN CHEM TECH
Electrostatic monitoring system and electrostatic monitoring method for liquefied hydrocarbon vehicle-loading area
ActiveCN111156410APrevent explosion accidentsEnsure safetyElectrical measurementsContainer discharging methodsLiquid hydrocarbonsMonitoring system
The invention relates to the field of electrostatic protection, and discloses an electrostatic monitoring system and electrostatic monitoring method for a liquefied hydrocarbon vehicle-loading area. The electrostatic monitoring system comprises an opening and closing device, an electrostatic monitoring device and a control device, wherein the opening and closing device is mounted between a slot vehicle inlet and a tail end of a loading and unloading arm and used for connecting or cutting off a pipeline between the slot vehicle end inlet and the tail end of the loading and unloading arm to openor stop a loading operation of liquefied hydrocarbon; the electrostatic monitoring device is used for monitoring static data around the opening and closing device; and the control device is used forcontrolling the opening and closing device to be disconnected under the condition that the electrostatic data exceed a preset electrostatic threshold so as to cut off the pipeline between the slot vehicle inlet and the tail end of the loading and unloading arm. By the adoption of the electrostatic monitoring system, the fire explosion accident caused by too high static electricity in the liquid hydrocarbon vehicle-loading operation can be prevented, so that the safety of the on-site operation is ensured.
Owner:CHINA PETROLEUM & CHEM CORP +1
Nonmetal separating explosion suppression ball
ActiveCN102807054BSolution to short lifeAvoid replacementLarge containersFire rescueEngineeringMechanical engineering
The invention discloses a nonmetal separating explosion suppression ball. The ball comprises an upper tubular structure, a lower tubular structure, four arched pieces, 3 to 5 annular pieces and two circular pieces, wherein the upper tubular structure, the lower tubular structure, the arched pieces, the annular pieces and the circular pieces form a hollow grid-shaped ball body; the upper tubular structure and the lower tubular structure are respectively arranged at the upper and lower ends of the ball body and coaxial with the ball body; the arched pieces are symmetrically arranged at the peripheries of the upper tubular structure and the lower tubular structure; and the annular pieces are vertically inserted into the arched pieces along the axis of the ball body. The ball has the advantages that the ball is long in service life and not required to be replaced, the stability of the ball in a flammable and explosive chemical is relatively high, debris and residues do not exist, the mechanical property is relatively high, phenomena such as collapse are avoided, and the ball is easy and convenient to disassemble.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +2
Anti-collision protection type traffic signal lamp pole for smart city
InactiveCN113487896AAvoid shock damageAchieving impact protectionRoad vehicles traffic controlTraffic signalsTraffic signalEnergy absorption
The invention discloses an anti-collision protection type traffic signal lamp pole for a smart city, and particularly relates to the field of smart cities, the anti-collision protection type traffic signal lamp pole comprises a signal lamp vertical rod, an equipment cross rod and a signal lamp body, one end of the equipment cross rod fixedly sleeves the surface of the signal lamp vertical rod, and a tuning damping ball head is fixedly mounted at the top end of the signal lamp vertical rod; the surface of the signal lamp vertical rod is rotationally sleeved with an anti-collision bracket mechanism, and a plurality of energy absorption guide roller mechanisms are rotationally installed on the inner side of the anti-collision bracket mechanism. According to the scheme, the signal lamp pole is provided with the anti-collision guide structure, vehicle collision is reguided through rotation of the collision energy-absorbing guide roller mechanism when a vehicle accidentally collides with the vehicle, and the energy-absorbing guide roller mechanism is driven by collision of the vehicle and the energy-absorbing guide roller mechanism to conduct damping friction rotation to slowly absorb kinetic energy of the vehicle; and the damping speed reduction mode enables the speed reduction and energy absorption effects to be smoother, prevents personnel vibration injury caused by overlarge speed reduction inertia of the vehicle body, and achieves collision protection.
Owner:嘉兴鼎尚信息科技有限公司
Noncorrosive compression-resisting explosion-suppressing material and preparation method thereof
InactiveCN102634704AImprove corrosion resistanceImprove extrusion resistanceElectrophoretic coatingsHoneycombRare earth
The invention belongs to a noncorrosive compression-resisting explosion-suppressing material and a preparation method thereof. The noncorrosive compression-resisting explosion-suppressing material comprises the following compositions: 0.03-0.08 parts of Si, 0.03-0.05 parts of Fe, 0.02-0.04 parts of Cu, 0.9-1.5 parts of Mn, 0.9-1.5 parts of Mg, 0.09-0.15 parts of Zn, 0.09-0.12 parts of Ce and the balance Al. A rare earth film layer is arranged on an outer layer of a prepared honeycomb netted explosion-suppressing material. The explosion-suppressing material provided by the invention has excellent corrosion resistance, extrusion resistance, collapse prevention, zero dreg-falling, and high-strength explosion-suppressing property. The performance indexes of the explosion-suppressing material,such as strength, plasticity, fracture toughness and fatigue resistance, are greatly increased according to the preparation method; the technology is simple and is easily performed; and the service life of the explosion-suppressing material is prolonged.
Owner:王季庄
Device for guiding out static electricity of floating-roof oil tank through soft seal
InactiveCN104875986AEliminate static electricityPrevent static electricityLarge containersLightning strikeEngineering
The invention relates to a device for guiding out static electricity of a floating-roof oil tank through a soft seal. The device comprises a wrapping tape, a soft sealed packet and filling liquid, wherein the soft sealed packet is fixed between a bottom pressing plate and a top pressing plate through the wrapping tape, and the wrapping tape is fixed to a floating roof which is provided with a floating roof surface; the other side of the wrapping tape makes contact with the tank wall. The probability that because spark discharge happens to a conductive plate and the tank wall during a lightning strike, a blast accidents is caused is eliminated, and the floating-roof oil tank is protected against electrostatic and lightning strike blast accidents.
Owner:CHINA PETROLEUM & CHEM CORP +1
Overhead explosion-proof air conditioner
InactiveCN102889646AAvoid it happening againStop burningAuxillariesSpace heating and ventilation safety systemsCopperCentrifugal force
The invention relates to an overhead explosion-proof air conditioner which comprises a condenser, an evaporator, a motor, a compressor and an explosion-proof line control box which are arranged in an air conditioner shell, wherein the air conditioner shell is arranged on a top plate of an air-condoning cabin; the motor is a biaxial extension explosion-proof motor; a centrifugal fan and an axial fan are respectively and correspondingly connected to the evaporator and the condenser; the centrifugal fan is connected to a shaft head at one end of the biaxial extension explosion-proof motor through a copper volute; and the axial fan is connected to a shaft head at the other end of the biaxial extension explosion-proof motor through a guide wind ring. The air conditioner is simple and compact in structure, flame-retardant, explosion-proof and high in security level.
Owner:JIANGSU JOSUN AIR CONDITIONER
Reaction device for preparing isobutyric acid
PendingCN112076715APrevent explosion accidentsImprove securityChemical/physical/physico-chemical nozzle-type rreactorsChemical synthesisButyrate
The invention relates to the field of organic chemical synthesis, and discloses a reaction device for preparing isobutyric acid, which comprises a reaction kettle (1), a liquid feeding pipe (2) and agas feeding pipe (3) arranged on the reaction kettle (1), and a discharging pipe (4) arranged at the bottom of the reaction kettle (1), and is characterized in that the liquid feeding pipe (2) is communicated with an atomizing unit (5) arranged in the reaction kettle (1); the atomizing unit is used for atomizing a mixed solution of introduced iso-butyraldehyde and water; the gas feeding pipe (3) is used for introducing oxygen-containing gas; and the discharging pipe (4) is used for discharging liquid at the bottom of the reaction kettle. The reaction device provided by the invention can effectively avoid the occurrence of burning explosion accidents in the isobutyric acid preparation process, and meanwhile, the atom economy of the reaction is improved, the reaction speed is increased, andthe energy consumption is reduced.
Owner:CHINA PETROLEUM & CHEM CORP +1
Medical eddy mixing device
InactiveCN108311040AReduce heat broilingReduce chance of heat exchangeShaking/oscillating/vibrating mixersTransportation and packagingEngineeringHelix
The invention provides a medical eddy mixing device, which comprises a shell, a helix cap, and heating tubes. A rotation motor is embedded in the right lateral wall of the shell above a control apparatus. The rotation motor is rotatingly arranged between the left inner wall and the right inner wall of the shell through a rotation shaft. A heat accumulation cover is arranged, the recessed heat accumulation cover with a cambered surface is fixedly arranged between the left inner wall and the right inner wall of the shell and is at least 1 cm above a bottom plate; thus the heating device of the whole device is arranged in the shell, the heat exchange between the heating device and the exterior is reduced, the heating on the desk surface is reduced; at least six heating tubes are neatly arranged along the inner cambered surface on the recessed surface of the top of the heat accumulation cover, the heating tubes are uniformly arranged, the size of a gap between two neighbored heating tubesis 3 mm; the heat accumulation cover can converge the heat generated by the heating tubes to a place above the heating accumulation cover; the heat is accumulated, moreover, the gaps between heating tubes are sufficient for expansion, and safety is guaranteed.
Owner:陈波平
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