46results about How to "Reduce the likelihood of burning" patented technology

A modular, on-board, inert gas generating system for aircraft is disclosed in which main components such as a heat exchanger, filter, air separation module, and turbocharger are provided in a modular unit sized to provide a variable flow of nitrogen-enriched air to the aircraft spaces to be inerted. For different inert gas requirements, for example in larger aircraft, multiple modular units may be provided without redesigning the basic system. A method for inerting fuel tanks, cargo holds and other void spaces using the modular approach and turbocharged engine bleed air is also disclosed.

The invention discloses a high-insulation fiber-adding antiflaming blow-molding nylon composite material and a preparation method thereof, wherein the composite material is prepared from the following components in parts by weight: 50-70 parts of PA66, 10-20 parts of EOVA, 5-10 parts of MXD6, 1-5 parts of compatilizer, 15-20 parts of glass fiber, 20-25 parts of flame retardant, 5-10 parts of plasticizer, 0.1-0.3 part of heat stabilizer, 0.1-1 part of antioxidant and 1-5 parts of nanometer montmorillonite. The high-insulation fiber-adding antiflaming blow-molding nylon composite material is prepared by firstly mixing all raw materials in a high-speed machine, and secondly extruding and pelleting the mixed raw materials by a double-screw extrusion pelletizer within the temperature range of 190-250 DEG C. The invention has the advantages of high insulation, high rigidity, high heat resistance, halogen free, fire resistance, single-layer blow-molding, concise and convenient technology and the like; and in addition, the invention greatly reduces the cost and improves the competitiveness in the market on the premise of guaranteeing quality.

A modular, on-board, inert gas generating system for aircraft is disclosed in which main components such as a heat exchanger, filter, air separation module, and turbocharger are provided in a modular unit sized to provide a variable flow of nitrogen-enriched air to the aircraft spaces to be inerted. For different inert gas requirements, for example in larger aircraft, multiple modular units may be provided without redesigning the basic system. A method for inerting fuel tanks, cargo holds and other void spaces using the modular approach and turbocharged engine bleed air is also disclosed.

The invention discloses a suppression pool. The suppression pool is mounted in a shell body of a safety shell and is annularly arranged around a reactor pit of the shell body. The suppression pool comprises a water space and an air space, wherein a plurality of anti-shaking partition boards are arranged in the water space; and communication holes for communicating two sides of the anti-shaking partition boards are formed in the bottoms of the anti-shaking partition boards. According to the suppression pool, the shaking of the liquid level can be prevented. The suppression pool is simple in structure and convenient to maintain. The invention further discloses the safety shell with the suppression pool.

Separated support tapes are attached to an electrode assembly which includes a negative electrode plate, a positive electrode plate, and a separator for performing charge and discharge operations. The separated support tapes are attached to a lower portion of the electrode assembly so as to allow the electrode assembly to be easily inserted into a can, while reducing the possibility of fire in a secondary battery caused by a hard short when the secondary battery is compressed due to external force applied thereto, preventing battery performance from being deteriorated by allowing electrolyte to sufficiently flow into a lower portion of the electrode assembly, and reducing a manufacturing cost of the secondary battery by minimizing the amount of separated support tape to be used.

The invention discloses a heat-wrapped air-impact flame-retardant cable, belongs to the technical field of cables, and provides a heat-wrapped air-impact flame-retardant cable which can promote flame-retardant mixed powder in a storage cavity to be heated and decomposed through the temperature during combustion and can promote a hot soft guide rope to be softened by means of temperature change. Therefore, under the mutual attraction effect of the two magnetic adsorption balls, the external thermal change flame-retardant films are dragged to get close to each other until the external thermal change flame-retardant films wrap the whole cable body, and the external thermal change flame-retardant films can be punctured by means of the first puncture short needles when the external thermal change flame-retardant films make contact with each other. Therefore, carbon dioxide gas and water generated through decomposition of the flame-retardant mixed powder can be promoted to flow out. On one hand, the possibility of combustion of the cable body can be reduced by virtue of the flame-retardant effect of carbon dioxide, and on the other hand, the generated water enters the space between the cable body and the external thermal change flame-retardant film, so that the cable body can be protected, and the possibility of damage caused by over-high temperature of the cable body is reduced.

The invention relates to a flame-retardant wood-plastic surface layer compound and a preparation method of a wood-plastic composite material with the flame-retardant wood-plastic surface layer compound. The invention relates to the technical field of wood-plastic materials. Raw materials of the flame-retardant wood-plastic surface layer compound specifically comprise the following components in parts by mass: 10 to 50 parts of high density polyethylene , 10 to 50 parts of polypropylene, 10 to 50 parts of an ethylene acrylic acid copolymer, 10 to 50 parts of a filler, 10 to 30 parts of a flameretardant, 0.1 to 0.5 part of an anti-ultraviolet agent, 0.1 to 0.5 part of an antioxidant, 0.5 to 8 parts of a toner, 0.1 to 1 part of a mildew preventive, 0.1 to 3 parts of a lubricant and 0.5 to 6parts of phyllosilicate. The wood-plastic composite material has fireproof and flame-retardant effects, and the bonding strength between a wood-plastic flame-retardant surface layer and a core layer is high.

The invention relates to the technical field, in particular to a civil aviation passenger information electronic tag. The civil aviation passenger information electronic tag includes an electronic taghousing, a reading port is formed in one side of the electronic tag shell; a reading strip is arranged in the reading port; wherein the electronic tag shell comprises an innermost mounting layer; a waterproof layer is arranged on the outer surface of the mounting layer; a heat-insulating layer is arranged on the outer surface of the waterproof layer; a flame-retardant layer is mounted on the outer surface of the heat insulation layer; the outer surface of the flame-retardant layer is coated with a supporting layer; the outer surface of the supporting layer is coated with a rubber layer; the heat-insulating layer and the flame-retardant layer are used for improving the high-temperature resistance of the electronic tag and preventing combustion at the same time; the waterproof layer and therubber buffer layer are adopted; the electronic tag is improved; according to the electronic tag, the waterproof capability and the anti-breaking capability are achieved, meanwhile, the buffering balls are arranged at the four corners of the rubber buffering layer, the buffering distance is increased, the buffering capability is improved, meanwhile, the sunken reading opening and the built-in reading strip are used, the sealing performance of the electronic tag is improved, the waterproof capability is improved, the camera is installed on the electronic shell, and the ticket checking speed isincreased.

A battery shell structure disclosed by the present invention comprises at least one inner clapping layer, a gas blocking layer, a free radical capture adhesion layer and an outer protection layer. The gas blocking layer is formed on the inner clapping layer, the free radical capture adhesion layer is formed on the gas blocking layer and comprises an adhesion agent and a free radical capture agent, and the outer protection layer is formed on the free radical capture adhesion layer, so that the free radical capture adhesion layer is clamped between the gas blocking layer and the outer protection layer, and the free radicals generated by a lithium ion secondary battery in an electrolyte is captured by the free radical capture agent, and accordingly, the safety of the lithium ion secondary battery is improved.

The invention discloses a flame-retardant flannel fabric. The fabric is formed by interweaving and blending warp yarn and weft yarn, and the warp yarn is prepared from, by mass, 30-50 parts of dyed wool fibers, 15-20 parts of combed cotton, 25-30 parts of flame-retardant polyester fibers and 5-8 parts of flame-retardant nylon; the weft yarn is prepared from, by mass, 30-50 parts of carded cotton, 15-25 parts of primary color wool fibers, 15-20 parts of conductive fibers and 5-12 parts of polyacrylonitrile fibers. The flame-retardant flannel fabric has good flame retardation capability, the hand feeling and warmth retention property are good, and hair does not shed.

The invention discloses a garbage can which is prepared from the following components in parts by mass: 50-60 parts of polypropylene, 15-20 parts of modified montmorillonite, 2-5 parts of an ultraviolet light absorber, 3-5 parts of filler, 1-3 parts of a lubricating agent and 0.5-3 parts of a flame retardant. The injection molding process for the garbage can comprises the following steps: puttingpolypropylene and polyethylene raw materials into a pelletizer, preparing granular raw materials, discharging the raw materials produced by the pelletizer onto an unloading device, and packaging the granular raw materials; then putting the prepared granular raw materials into a hopper of an injection molding machine, feeding the granular raw materials into a charging barrel for heating, melting plastics to reach a flowing state and have good plasticity, then injecting the molten plastics into a mold cavity with lower temperature through a nozzle at the front end of the charging barrel under the pushing of a plunger, and cooling and shaping the molten plastics, and opening the mold to obtain the garbage can.

A noncombustible painted inspection cleaning liquid, the characteristic is its component and weight percentage: the isobutyl Glycine 30-80 wt%; the carbonate propylene alcohol 12-40 wt%; the blowing agent TSHG 8-30 wt%. The invention is that the noncombustible painted inspection cleaning liquid, the noncombustible painted inspection developer (other invention case applies) and the noncombustible painted inspection penetrant (other invention case applies) use complementally. The invention can not only achieve inspection assignment, but also prevent burning accident effectively.

The invention discloses a high-toughness garbage can. According to the high-toughness garbage can, the plastic can formula comprises the following components of, in parts by mass, 50-60 parts of polypropylene, 15-20 parts of modified montmorillonite, 2-5 parts of an ultraviolet light absorber, 3-5 parts of filler, 1-3 parts of a lubricating agent and 0.5-3 parts of a flame retardant. When the garbage can is used outdoors, the ultraviolet light absorber can absorb ultraviolet light in sunlight and does not change, and irradiation of the ultraviolet light to polypropylene is reduced, so that ageing of the garbage can is slowed down, and the service life of the garbage can is prolonged; the filler is added into raw materials of the garbage can, the physical and mechanical properties of the garbage can are enhanced, and the production cost of the garbage can is reduced; and through adding the lubricant, the friction force between the raw materials and between the raw materials and processing equipment can be reduced, so that the flow resistance of the melt is reduced, the viscosity of the melt is reduced, the flowability of the melt is improved, the adhesion between the melt and the equipment is avoided, the surface smoothness of a product is improved, and the quality of the garbage can is improved.

The invention discloses a fire extinguishing sandwich panel for indoor buildings. The fire extinguishing sandwich panel comprises a first steel plate, a convex edge is formed on the first steel plateand integrally formed with the first steel plate, a bolt cap is arranged on the left side of the convex edge and detachably connected with the convex edge, a bolt column is arranged at the end, penetrating through the first steel plate, of the bolt cap and fixedly connected to the convex edge, and a steel sealing strip is arranged on the outer side of the bolt column. A sandwich panel sealer capable of sealing the joint is arranged on an original sandwich panel and clamps the first steel plate and a second steel plate through clamping plates, the clamping plates are fixed through pressing rods, and a sealing strip seals the first steel plate, a heat insulating plate, a partition plate, an asbestos block and the second steel plate to effectively insulate the contact between the heat insulating plate and the outside, the contact between the partition plate and the outside and the contact between the asbestos block and the outside, so that the influence of high temperature to the heat insulating plate, the partition plate and the asbestos block is reduced, the possibility of burning the sandwich panel is decreased, and potential safety hazards of the buildings are reduced.

The invention discloses an environmental sanitation garbage can which is composed of the following components in parts by weight: 65 parts of a polypropylene compound, 20 parts of modified montmorillonite, 5 parts of an ultraviolet light absorber, 3 parts of a lubricant, 3 parts of a flame retardant and 4 parts of toner. The polypropylene compound is prepared from the following components in partsby weight: 90 parts of polypropylene, 2 parts of polyethylene, 2 parts of an inorganic filler, 2 parts of a polyolefin elastomer, 2 parts of an antioxidant and 2 parts of a processing aid. The production process of the environmental sanitation garbage can comprises the following steps that firstly, preparing the polypropylene compound; mixing the materials; forming; and removing burrs. The toughness and rigidity of the garbage can are improved, the anti-aging performance is achieved, and the service lifetime is prolonged.

The invention discloses a straight-chain type flame-retardant compound and a preparation method thereof. The composition comprises polyvinyl alcohol macromolecules and phytic acid, the phytic acid isgrafted to the polyvinyl alcohol macromolecules through esterification reaction, the flame-retardant compound has a strong flame-retardant effect and can provide good flame-retardant performance, theflame-retardant compound is a straight-chain type compound, partial hydroxyl exists on a branched chain, and the flame-retardant compound has good water absorption and can have comfortable wearing feeling.

The invention discloses a heating device for a chemical experiment, and relates to the technical field of chemical experiment instruments. The heating device comprises a bottle body and a cotton wick.The bottle opening is connected with a leakage-proof device; the leakage-proof device comprises an isolation pipe connected with the bottle opening; a built-in sleeve is arranged in the bottle body;water seepage holes are formed in the left and right sides of the lower part of the built-in sleeve; the outer side of the isolation sleeve is fixedly sleeved with a plurality of sealing rings; the upper end of the isolation tube is inserted and hermetically connected with a wick seat; a plurality of separation boards are fixed in the isolation pipe from top to bottom; a flame-proof device is arranged at the upper part in the isolation pipe; a fire cutoff device is arranged on the lamp wick seat; the lamp wick seat is sleeved and matched with a lamp cap; the flame-proof device comprises a reaction box; a bearing net is fixed in the middle in the reaction box; a plurality of air outlets are formed in the upper end of the reaction box; the fire cutoff device comprises a barrel-shaped wick cap; a balance weight ring is fixedly connected to the periphery of the lower portion of the wick cap. According to the heating device, the safety of the alcohol lamp in use is improved, and harm is notlikely to be formed when the alcohol lamp topples over.

A battery protection device for an electric vehicle disclosed in the present invention comprises a main body of the protection device, a first protection cavity is arranged inside the main body of the protection device, and an elastic lifting plate with a certain elasticity is fixed on the lower wall of the first protection cavity , the present invention reduces the impact force received by the battery pack during the collision process through multi-point shock absorption when the device shell is hit by the shock absorbing device of the array, protects the integrity of the battery pack, and when the device is hit, it will The output power of the battery pack is cut off, and when the protection device is damaged due to a large impact force, the carbon dioxide gas stored inside the device is used to reduce the possibility of burning at the crushing impact at the first time, and the carbon dioxide gas stored in the device is discharged by triggering the impact. A fire protection wall is formed around the battery to further protect the integrity of the battery pack.

The invention discloses a battery shell structure. The battery shell structure comprises at least one inner covering layer, a first bonding agent layer, a gas blocking layer, a second bonding agent layer and an outer protective layer, wherein the first bonding agent layer is formed between the inner covering layer and the gas blocking layer, and the gas blocking layer is formed between the first bonding agent layer and the second bonding agent layer, the second bonding agent layer is formed between the gas blocking layer and the outer protective layer; the outer protective layer comprises a free radical scavenger and a fluorine-based polymer; the inner covering layer is a polyolefin layer; the thickness of the outer protective layer is 10-50 microns, and the thickness of the inner coveringlayer is 30-50 microns. The outer protective layer comprises the free radical scavenger and the fluorine-based polymer, and the free radical generated by the lithium ion secondary battery in the electrolyte can be captured through the free radical scavenger, and the safety of the lithium ion secondary battery is improved.

The invention provides a device and method for low-temperature sealing of an angular accelerometer sensitive component ring ring. The device includes a hollow cavity body, a ring mounting plate, a crimping cover plate, and a low-temperature cooling unit. The hollow cavity body has an accommodation cavity , the ring mounting plate is fixed on one side of the hollow cavity body, when the sensitive component ring is set in the mounting groove of the ring mounting plate, the liquid level in the working liquid compensator remains horizontal, and the crimping cover has The slotted hole and the crimping cover are used to fix the sensitive component ring on the ring mounting plate. When the crimping cover is fixed on the ring mounting plate, the working liquid injection pipe protrudes from the crimping through the slot Outside the cover plate, a low-temperature cooling unit is arranged in the containing cavity, and the low-temperature cooling unit is used for cooling the ambient temperature of the ring of the accelerometer sensitive component. The technical scheme of the invention is applied to solve the technical problems in the prior art that the liquid inlet of the sensitive component ring is easily burst and has poor safety.

The invention relates to steamed chicken with bamboo fungus capable of nourishing and maintaining health, and a process technology of steamed chicken with bamboo fungus. The steamed chicken with bamboo fungus comprises the following components in parts by weight: main materials: 350 to 450 parts of spring chicken, 200 to 300 parts of glutinous rice, 50 to 150 parts of Chinese date, 10 to 20 partsof radix angelicae sinensis, 10 to 15 parts of bamboo fungus and 4 to 7.2 parts of Chinese wolfberry; auxiliary materials: 2-8 parts of chicken powder, 2-3 parts of yeast extract, 1-2 parts of vegetable oil, 2-3 parts of sugar and 2-8 parts of yellow rice wine; and the raw material further comprises 0.1 to 0.2 part of disodium 5'-ribonucleotide. The process technology comprises the following stepsof firstly, uniformly mixing all the auxiliary materials and disodium 5'-ribonucleotide, uniformly smearing the mixture on the surface of the spring chicken, pickling the spring chicken at the temperature of 0-4 DEG C for 10-14h, then mixing the pickled spring chicken with other main materials, adding boiling water until the obtained mixture is just submerged, controlling the temperature of the mixture to be 90-95 DEG C, and performing boiling for 4-6min. The chicken product disclosed by the invention has the effects of nourishing a human body and reducing the influence of excessive fat on the human body after the chicken product is eaten, so that the chicken product has the effect of reducing blood fat.

The invention discloses an environment-friendly refrigerant and a preparation method thereof, wherein the refrigerant is prepared from the following components in percentage by weight: 40%-90% of difluoromethane, 5%-40% of 1, 1-difluoroethane and 5%-50% of 1, 1, 2, 2- tetrafluoroethane. The specific volume of saturated liquid of the environment-friendly refrigerant prepared by the method of the invention is larger, and the charge of the refrigerant in a refrigerating system can be greatly reduced, i.e. the GWP (global warming potential) of the refrigerant is reduced, and at the same time, the burning possibility of combustibles after the refrigerant leaks is reduced; the refrigerating capacity per unit volume is larger, the size of a compressor can be reduced, and the cost of a refrigerating system is reduced; and the refrigerant has a good environmental performance, ODP (ozone depression potential) is 0, GWP is greatly reduced relative to HCFC-22 and R-410A.

The invention discloses a flame-retardant type purifying and recycling device for metal powder. The flame-retardant type purifying and recycling device for metal powder comprises a box, wherein a feeding opening is formed in the upper wall of the box; a collector is arranged above the feeding opening; a funnel is fixed at the lower end of the collector; a telescopic hose is fixed at the lower endof the funnel; the lower end of the telescopic hose is fixed to the edge of the feeding opening; the telescopic hose communicates with the feeding opening; cross rods are fixed at two ends of the collector and penetrate through a vertical plate fixed to the box; the cross rods are slidably connected with the vertical plate; a stopping block is fixed at a side end of each cross rod; springs are arranged on two sides of the vertical plate; the springs sleeve the cross rods; a stand column is fixed at the upper end of the box; a motor is fixed at the upper end of the stand column; and a cam is fixed on the output shaft of the motor and is attached to the stopping blocks. The metal powder is wetted by water so that the metal powder cannot drifts away, and possibility of combustion is relieved;and by arrangement of powder collecting hopper and impurity collecting hopper, the metal powder is separated from dust and impurities, and meanwhile, the metal powder is purified. A refrigerator releases cold air, and the possibility of explosion of the metal powder is reduced by low temperature.