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46results about How to "Meet fire resistance requirements" patented technology
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Thermal-insulating binded composite wall with supporter
InactiveCN1982554AStrong construction feasibilityReduce thermal bridgesWallsClimate change adaptationVertical barInsulation layer
Supported bundling insulated composite wall, relates to outer insulated composite wall for buildings. The purpose of this invention is to solve the problem that existing blocks have their heat bridge, great impact the energy-saving of construction and can not reach the low heat transfer coefficient of the wall. The inner terminal of concrete cantilever strutting piece (2), the level connecting link (7) and plastic bulging nails (9) of the invention are fixed within the concrete structure of the main building (10) or basal wall (1), the outer terminal of concrete cantilever strutting piece (2) and the level connecting link (7) are connecting fixed with vertical steel bars (5) in the outer protective layer, an insulating layer (3) is fixed outer flank of basal wall (1) by plastic bulging nails (9)outer flank of insulating layer (3) is the vertical steel bars (5), out or inside of the bars is set with metal network (4), the outer ends of metal network (4), the vertical bars (5) and the plastic bulging nails (9) are fixed together, the protective layer (8) built by cement mortar or pisolith concrete is found outside the insulation layer (3).the present invention is safe, durable ,with good heat-insulating and fire resisting properties.
Owner:吴淑环
Fireproof foam concrete door core plate and preparation method thereof
InactiveCN103089118ASmall shrinkagePrevents cracking and water absorptionFireproof doorsCeramicwareFilling materialsEmulsion
The invention relates to a fireproof foam concrete door core plate and a preparation method thereof. A foam concrete base plate of the door core plate is prepared from cement paste and foam used for concrete in a volume ratio of 1:(5-12); the cement paste comprises the following raw materials in part: 80 to 100 parts of Portland cement, 10 to 30 parts of filling material, 30 to 50 parts of water, 2 to 7 parts of EVA emulsion, 2 to 6 parts of waterproof agent, 0.5 to 1.0 part of water repellent, 1.5 to 2.5 parts of water reducing agent, and 1 to 3 parts of early strength agent; and the volume weight of the foam used for the concrete is 70g / L to 90g / L, and the foam is prepared by adding water into a high-quality foaming agent for foaming. The fireproof foam concrete door core plate has the advantages of light weight, high strength, low heat conductivity coefficient, good fireproof and waterproof performance, long service life and the like, the preparation process is simple, and the cost is low.
Owner:河南永立建材有限公司
High-flame retardant rigid polyurethane foaming plastic and preparation method thereof
ActiveCN103709432ASolve the problem of poor flame retardancyMeet fire resistance requirementsPolymer scienceDimethyl methylphosphonate
The invention discloses high-flame retardant rigid polyurethane foaming plastic and a preparation method thereof. The preparation method comprises the following steps: evenly mixing polyol, a compound flame retardant, a foaming agent, a foam stabilizer and a catalyst to prepare a polyurethane composition A; controlling the material temperature and mould temperature, adding isocyanate into A, and stirring evenly; and pouring the evenly mixed liquid into a mould for foaming to obtain the high-flame retardant rigid polyurethane foaming plastic after foaming and curing. According to the high-flame retardant rigid polyurethane foaming plastic and the preparation method, halogen-free environment-friendly solid flame retardant aluminum hypophosphite, phenyl aluminum hypophosphite, and halogen-free liquid flame retardant dimethyl methylphosphonate are adopted for being compounded with cyclic phosphonate flame retardant to replace a conventional halogen-containing flame retardant, and a dispersant is adopted for enabling the solid-phase flame retardant to be evenly dispersed in the liquid-phase flame retardant, so as to achieve the effect of efficient synergistic flame retardance, effectively solve the problem that ordinary rigid polyurethane foam plastic is poor in flame retardance, meanwhile also maintain various superior performances of PU (Polyurethane) rigid foam.
Owner:ZHENJIANG SANWA FLAME RETARDANT ENG TECH CO LTD
Fire-resistant rock wool board and preparing method thereof
The invention discloses a fire-resistant rock wool board and a preparing method thereof. Fe2O3 accounts for 13% to 18% of the total mass of the rock wool board, and Al2O3 accounts for 12% to 15% of the total mass of the rock wool board. The method includes the steps that the rock wool board is prepared from, by mass, 60-70 parts of basalt, 10-20 parts of dolomite, 10-20 parts of hematite and 5-10 parts of bauxite, all the raw materials are mixed to be even and put into an electric furnace through an input belt and melted at the high temperature of 1,500 DEG C to 1,800 DEG C into slurry, fibers are formed through a four-roller centrifugal machine in a high-speed mode, the rock wool fibers are collected, solidified and formed, and the rock wool board is prepared. The fire resistance duration of the rock wool board is larger than or equal to 2.0 h, and the fire-resistant rock wool board can be widely used for building-interlayer-structure fire-resistant sealing.
Owner:金隅星节能保温科技(唐山)有限公司
Fireproof aluminum-plastic panel for advertisements
ActiveCN105058920ALight materialEasy to carrySynthetic resin layered productsMetal layered productsMaleic anhydrideBuilding laws
The invention discloses a fireproof aluminum-plastic panel for advertisements. The fireproof aluminum-plastic panel for advertisements consists of an upper aluminum plate, a PE plate and a lower aluminum plate in sequence, wherein the PE plate comprises the following raw materials in parts by weight: 20-40 parts of HDPE, 20-40 parts of LLDPE, 5-15 parts of maleic anhydride grafted polyethylene and 20-40 parts of fire retardant. The fireproof aluminum-plastic panel for advertisements, disclosed by the invention, is light in material, easy to carry, and capable of alleviating damages caused by earthquakes. The fireproof aluminum-plastic panel for advertisements is a safe fireproof material, which accords with the fire-resistant requirement of building laws and is halogen-free and environment-friendly. Moreover, the fireproof aluminum-plastic panel for advertisements is high in impact resistance and high in tenacity.
Owner:嘉兴彩虹光学膜片科技有限公司
Steel structure fire resistance design method based on ESSFF
InactiveCN103886161AMeet fire resistance requirementsImprove fire resistanceSpecial data processing applicationsArchitectural engineeringFire - disasters
The invention discloses a steel structure fire resistance design method based on the ESSFF. The steel structure fire resistance design method based on the ESSFF comprises the steel structure fire resistance design before fire treatment and steel structure reinforcement and restoration design after fire treatment. The steel structure fire resistance design before fire treatment comprises the specific steps that an in-situ temperature field when a fire occurs is determined through the ESSFF, the elevated temperature of a steel structural member is determined through calculation when the fire occurs, the yield strength and the elasticity modulus of the steel structure member under the high temperature condition are calculated, and the fire resistance design of the steel structure member is conducted. Compared with the prior art, the steel structure fire resistance design method based on the ESSFF has the advantages that the ESSFF is adopted to serve as a design tool, the steel structure member is designed according to the influence of the temperature field on a fire site on the steel structure member, and the requirement of the steel structure member for fire resistance is met; meanwhile, by the adoption of the method, reinforcement and recovery of the fire resistance of the steel structure member can be achieved after the fire, and the fire resistance of the steel structure is improved.
Owner:SOUTHEAST UNIV
Fireproof power cable with high volume used in rail transit
InactiveCN102347105AImprove fire resistanceMeet fire resistance requirementsPower cablesFiberGlass fiber
A fireproof power cable with a high volume used in rail transit comprises a cable core and an outer sheath. A plurality of leads are arranged in the cable core. The each lead is formed by cladding a ceramic silicone rubber insulation layer out of a conductor. Flame retardant glass fiber ropes are arranged between the leads in the cable core. A flame retardant glass fiber band layer is arranged between the cable core and the outer sheath or the flame retardant glass fiber band layer, a silicone rubber inside liner and a steel tape armor layer are successively arranged between the cable core and the outer sheath. The power cable of the invention has good fireproof performance which can satisfy a fireproof requirement of the power cable used in the rail transit. Once a fire is generated on a usage place, during a heating process, the ceramic silicone rubber insulation layer is converted into a ceramic tubular fireproof layer. The higher the temperature is, the better the crusting performance is. The cable can work normally for more than 90 minutes at a temperature of 1200-1500 DEG C. Therefore, precious time can be gained for rescuing equipment and personnel, and losses can be reduced to a lowest degree. In addition, a working temperature of the power cable can reach 180 DEG C which is higher than the working temperature of the common cable. Under the condition of safe usage, the power cable has a larger transmission capacity than the common cable with a same specification.
Owner:JIANGSU HENGTONG POWER CABLE
High-weather-resistance fireproof steel welding alkaline flux-cored wire
InactiveCN110293332AImprove melting conditionImprove craftsmanshipArc welding apparatusWelding/cutting media/materialsRare earthRutile
The invention discloses a high-weather-resistance fireproof steel welding alkaline flux-cored wire. Flux-cored wire powder comprises components including, by weight percent, 18%-35% of magnesia, 5%-20% of fluorite, 3%-8% of barium fluoride, 6%-13% of zircon sand, 1%-7% of manganese ore, 5%-12% of rutile, 2%-5% of marble, 1%-3% of an aluminum-magnesium alloy, 0%-2% of sodium fluosilicate, 0%-1% oflithium fluoride, 0%-1% of lithium carbonate, 2%-5% of high carbon ferro-chrome, 0%-12% of micro-carbon ferro chrome, 0.3%-4% of copper powder, 0.2%-16% of nickel powder, 1.5%-4% of silicon iron, 1.8%-8% of manganese powder, 1.6%-5% of molybdenum powder, 1%-3% of ferrotitanium, 0.1%-1% of ferroboron, 0%-0.5% of ferroniobium, 0%-0.8% of ferrovanadium, 0%-2% of tungsten powder, 0.2%-3.2% of rare earth oxide, 0%-1% of graphite and the balance iron powder.
Owner:CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP
Cement-based polystyrene material and insulation board production process based thereon
InactiveCN104119046AMeet fire resistance requirementsImprove fire resistancePolymer scienceThermal insulation
The invention discloses a cement-based polystyrene material, which comprises the following components: (1) according to a dry powder ratio (by mass percentage): 65-85 of portland cement; 10-25 of fly ash; 0.15-0.25 of polypropylene fiber; 0.2-0.4 of a concrete admixture; and 0.15-0.25 of an emulsion; and (2) the volume ratio of the dry powder to expanded polystyrene particles being 1:4-1:6. The production process for preparation of a composite insulation board based on the cement-based polystyrene material includes the steps of proportioning, stirring, molding transportation, curing and molding packaging, and a final product can be obtained thereby. The composite insulation board obtained on the basis of the formula and the preparation process has the advantages of high fire resistance, high thermal insulation, high strength, light weight, high bonding strength, and no toxicity or harm, etc.
Owner:江苏省苏安能节能建材科技有限公司
Decorative fireproof and soundproof door
ActiveCN103628787AImprove the decorative effectMeet fire resistance requirementsFireproof doorsNoise insulation doors/windowsSheet steelEngineering
The invention discloses a decorative fireproof and soundproof door which is composed of a door frame, a door leaf, a soundproof door lock structure, fireproof sealing rubber strips, hinges and an automatic door bottom sealing soundproof structure. The soundproof door lock structure is composed of a three-rod handling lock and a lock soundproof structure. The fireproof sealing rubber strips are composed of composite fireproof semi-D-shaped sealing strips arranged in the L-shaped bent corners of the door frame, L-shaped fireproof sealing rubber strips arranged in the L-shaped bent corners of the door leaf, and cladding type fireproof sealing strips arranged between the hinges. The lock soundproof structure is composed of a front circular pipe sleeve and a rear circular pipe sleeve of a square pipe steel latch for twisting a spring bolt, a circular pipe sleeve of an installation rod, a steel box of a protective sleeve of the spring bolt, and fireproof and soundproof materials with which a cavity is filled. The lock soundproof structure is installed at the installation position of the three-rod handling lock in a door leaf compression forming steel plate. The decorative fireproof and soundproof door meets strict fireproof indexes, has the higher soundproof effect, and has the good decorative feature.
Owner:XIAMEN JIADA GREEN CONSTRUCION ENG CO LTD
Cement-based fiber-reinforced fireproof heat-preservation plate and preparation process thereof
InactiveCN102839758AImprove fire resistanceMeet fire resistance requirementsHeat proofingCeramicwareFire resistanceStrong binding
The invention discloses a cement-based fiber-reinforced fireproof heat-preservation plate. The cement-based fiber-reinforced fireproof heat-preservation plate is characterized by comprising a core layer, wherein the upper surface and the lower surface of the core layer are respectively provided with surface layers; the core layer is a cement gelatinizing layer; and furthermore, the cement gelatinizing layer contains non-uniformly distributed expanded granules. The invention also provides a preparation process of cement-based fiber-reinforced fireproof heat-preservation plate, comprising the following steps of: measuring raw materials; stirring materials; carrying out extrusion forming; and adhering a gridding cloth. The invention completely meets the requirement for fire resistance of an outer wall heat-preservation plate, has low heat transfer, can meet the requirements for heat preservation and heat insulation of buildings and has high anti-crush anti-breaking strength; the raw materials can not be combusted at high temperature without releasing poisonous gases, belong to safe environmental-friendly materials and are all from the nature without corrosivity or radioactivity; and the cement-based fiber-reinforced fireproof heat-preservation plate disclosed by the invention has the advantages of light weight, easy carrying, good cutting, easy construction, good compatibility and strong binding power of a wall body.
Owner:张家港市盛港绿色防火建材有限公司
Test device for evaluating fire resistance of large-diameter cable and test method thereof
PendingCN111077265ASimple structureEasy to useChemical analysis using combustionTransformerStructural engineering
The invention relates to a test device for evaluating the fire resistance of a large-diameter cable. The test device comprises a test rack, a control cabinet, a transformer, a signal line, a double-blowtorch device and a sample holder. The transformer and a gas cabinet are arranged on the two sides of the test rack respectively, and the control cabinet is arranged on the side, away from the transformer, of the gas cabinet. The sample holder and the double-blowtorch device are arranged at the top of the test rack, the sample holder is used for fixing a cable, and the double-blowtorch device isused for supplying fire to the cable fixed by the sample holder. A gas pipeline is connected with the double-blowtorch device and provides fuel for the double-blowtorch device, and the control cabinetis connected with the transformer through the signal line. An adjusting mechanism is arranged in the test device, and the relative positions of flame and a large-diameter cable in the vertical direction and the horizontal direction can be adjusted in time according to the actual situation, so that it is ensured that when cables with different diameters are tested, the flame temperatures of the fire receiving positions of the cables are basically consistent.
Owner:应急管理部四川消防研究所 +1
Multifunctional integrated 3D printing building enclosure wall
PendingCN110331887AReduce printing timeShorten production timeAdditive manufacturing apparatusFencingFiberEngineering
The invention discloses a multifunctional integrated 3D printing building enclosure wall, and relates to the field of 3D printing. The building enclosure wall comprises a multi-layer shell, resin filler, polyurethane foaming filler, a self-cleaning coating, a color texture coating, a weather-proof functional coating, a fireproof coating, fiber fabric, a resin reinforcement layer and mounting joints. Through the above structure, the manufacturing time can be reduced, and multiple functions of the structure, decoration, fabrication, energy saving, waterproofness and air tightness are integrated.Then, a building outer enclosure system made through the multifunctional integrated 3D printing building enclosure wall can serve as a building structure component, and excellent characteristics of fabricated mounting, ultralow-energy-consumption buildings, seamless splicing, dirt resisting, durability, impact resistance, vibration resistance and the like are achieved.
Owner:河北昊瑞坤数字科技有限公司
Fire-resistant iron sheet air pipe
PendingCN112128514ASmall footprintIncrease available spaceFlanged jointsRigid pipesSquare cross sectionPipe
The invention relates to a fire-resistant iron sheet air pipe. The problems of poor fire-resistant effect, high construction difficulty and the like in the prior art are solved, the technical solutionis characterized in that fire-resistant plates are spliced on the outer wall of the iron sheet air pipe body to form a fire-resistant iron sheet air pipe body, the fire-resistant plates are encircledto form a tubular structure with a square cross section, the adjacent fire-resistant iron sheet air pipe body is connected through a flange, and the flange is coated with a fireproof material layer.The fire-resistant iron sheet air pipe has the effects that the fire-resistant iron sheet is directly compounded on the iron sheet air pipe body, the fire-resistant iron sheet and the iron sheet air pipe body directly have no space structure, the flange used for connecting the adjacent air pipe body is exposed, the fire-resistant purpose is achieved by coating fire-resistant materials with the same fire-resistant time, namely the fire-resistant requirement is met, the space occupied by the air pipe body can be greatly reduced, an available space among floors in a building is increased, and moreover, the iron sheet air pipe body is wrapped on the ground and then hoisted, so that the construction is convenient, and the labor intensity is low.
Owner:NG TERASUN AIR DUCT
Outer wall vacuum inorganic foam insulation plate and manufacturing method thereof
InactiveCN102808460AImprove thermal conductivityLow thermal conductivityClimate change adaptationInsulation improvementAging resistanceThermal insulation
The invention relates to an outer wall vacuum inorganic foam insulation plate and a manufacturing method thereof. The insulation plate is made of a vacuum packaging bag and a foam insulation core plate mounted in the bag; the foam insulation core plate is one of a foam cement plate or a foam glass plate or a foam ceramic plate; the vacuum packaging bag adopts an aluminum foil vacuum packaging bag; construction mounting edges of 15-30 mm are pressed on the two sides or the periphery of the aluminum foil vacuum packaging bag; and the aluminum foil vacuum packaging bag adopts a single-layer aluminum foil vacuum packaging bag or a dual-layer aluminum foil vacuum packaging bag. Due to the insulation plate, the thickness of the outer wall insulation plate can be reduced, the thermal insulation and insulating performance of the insulation plate can be enhanced, the phenomenon of expanded deformation, aging, cracking, damage and the like can be also eliminated, and the service life of a wall body is greatly prolonged. The insulation plate has the advantages of light weight, low heat conducting coefficient, excellent insulation performance, high strength, aging resistance and good fireproofing flame retardant effect.
Owner:信阳天意节能技术股份有限公司
Decorative Fireproof Acoustic Door
ActiveCN103628787BImprove the decorative effectMeet fire resistance requirementsFireproof doorsNoise insulation doors/windowsEngineeringMechanical engineering
Owner:XIAMEN JIADA GREEN CONSTRUCION ENG CO LTD
Photovoltaic modules and production process
ActiveCN101933164AEase of use/installationMeet fire resistance requirementsPhotovoltaic supportsSynthetic resin layered productsPolyolefinEngineering
The flexible photovoltaic module (1) with good external fire performance comprises photovoltaic cells (1c) on plastic substrate and plastic sheet or adhesive layer (1d) under cell based on polyolefin, and / or copolymer of ethylene or propylene with vinyl acetate or (meth) acrylates or neutralized acrylic acids (ionomers). The plastic sheet or adhesive layer contains at least 50 (preferably 100) g / m2 halogenated (preferably brominated) flame retardant. The layers above plastic sheet allow release of flame poisoning substances coming from plastic sheet when fire is set to module.
Owner:乐凯胶片股份有限公司
Door leaf
ActiveCN106014130ASlow heat transferHigh temperature resistanceFireproof doorsNoise insulation doors/windowsMagnetGreen environment
The invention discloses a door leaf. A base plate of the door leaf is a light-weight plate; the outer surface of the light-weight plate is covered with mesh ribs and a reinforcing layer; structural parts are also arranged in the door leaf, and are separately embedded into the edges of the door leaf, and the positions for mounting a lock, a door closer and a door magnet; each section of the structural parts is connected with other opposite or diagonal structural parts through steel wires; screw holes are also formed in the structural parts on which hinges and the door closer are required to be mounted. The door leaf has the advantages of being light in weight and high in strength, preventing water and fire, being small in heat conductivity coefficient, being resistant to deformation and halogenide, being good in sound insulating effect and the like, is difficult to crack, break and deform in using and transporting processes, and cannot be damaged even being kicked by feet; moreover, the production process and sequence are simple; a door panel is not required to be mounted additionally for reinforcing, so that the cost is lower. In a manner of speaking, the door leaf disclosed by the invention is a new generation of green environment-friendly door leaf.
Owner:GUANGZHOU QINGNENG BUILDING MATERIALS CO LTD
High-performance structural combined floor slab
InactiveCN103628606AStable surface chemistryAvoid oxidative swellingFloorsBuilding reinforcementsFloor slabWeather resistance
The invention discloses a high-performance structural combined floor slab which is good in corrosion resistance, good in weather resistance, long in service life and superior in fire resistance and weather resistance. The high-performance structural combined floor slab comprises a base plate (1), a first buckling portion (2), a second buckling portion (3) and a plurality of sectional ribs (4), wherein the first buckling portion (2) is located at the left end of the base plate (1), the second buckling portion (3) is located at the right end of the base plate (1) and the sectional ribs (4) are arranged in the middle of the base plate (1) at intervals. The first bucking portions (2) of adjacent high-performance structural combined floor slabs and the second buckling portions (3) of the adjacent high-performance structural combined floor slabs are connected in a matched and buckled mode, the base plate (1), the first buckling portion (2), the second buckling portion (3) and the sectional ribs (4) are integrally formed in a rolled mode and the high-performance structural combined floor slab is made of fire-resistant and weather-resistance steel. The high-performance structural combined floor slab can be widely applied to the field of building structures.
Owner:BAIANLI STEEL STRUCTURE APPL SCI TECH
High flame retardant polystyrene and its preparation method
ActiveCN103709431BMeet fire resistance requirementsSolve the problem of poor flame retardancyPolymer scienceFoaming agent
The invention discloses a preparation method for polystyrene with high flame retardant property and a prepared polystyrene material. Hypophosphite and phenyl phosphinates which serve as halogen-free environment-friendly solid flame retardants and a halogen-free liquid flame retardant are adopted to prepare a composite flame retardant which works on the polystyrene material. The preparation method for the polystyrene material comprises the steps of feeding a dispersing agent, an emulsifier, an initiator and styrene into a high-pressure polymerization kettle to generate reaction, and adding the composite flame retardant after a certain conversion rate is achieved; adding a foaming agent after particles are hardened; closing the reaction kettle, heating the reaction kettle, preserving the temperature, and washing and drying to obtain material ball particles; foaming the material ball particles, curing foamed balls under room temperature, and putting the foamed balls into a mold to obtain the polystyrene material with high flame retardant property. According to the preparation method and the polystyrene material, the halogen-free environment-friendly solid flame retardants and the halogen-free liquid flame retardant are mixed; the solid phase flame retardants are uniformly dispersed in the liquid phase flame retardant to achieve a synergistic flame retardant effect; the flame retardant performance of the polystyrene material is realized, and various excellent properties of the polystyrene are kept.
Owner:ZHENJIANG SANWA FLAME RETARDANT ENG TECH CO LTD
Porcelain door leaf
ActiveCN106014129ASlow heat transferHigh temperature resistanceFireproof doorsNoise insulation doors/windowsThermal conductivityCeramic coating
The invention discloses a porcelain door leaf. A baseplate of the porcelain door leaf is made of a foamed cement plate; the outer surface of the foamed cement board is coated with mesh cloth and an unburned ceramic coating; structural parts are also arranged in the door leaf, and respectively pre-buried on the edges of the door leaf and at the positions where a lockset, a door closer and a door magnet are mounted; the sections of structural parts are connected with other opposite or inclinedly opposite structural parts through steel wires; screw holes are also formed in the structural parts on which a hinge and the door closer need to be mounted; the porcelain door leaf has porcelain texture in appearance, has the advantages of being light in weight, high in strength, waterproof, fireproof, small in thermal conductivity, free of deformation, free of scumming, good in sound insulation effect and the like, is not easy to shatter, break and deform, cannot be broken even if being kicked by feet, is simple in production process and procedures, and does not need to be fixed by additionally mounting a door panel, thereby being lower in cost. Therefore, the porcelain door leaf is a new-generation environment-friendly door leaf.
Owner:GUANGZHOU QINGNENG BUILDING MATERIALS CO LTD
Integrated slurry-leaking-preventing filling material
PendingCN108532948APrevent infiltrationImprove sealingAuxillary members of forms/shuttering/falseworksFilling materialsSlurry
The invention relates to an integrated slurry-leaking-preventing filling material comprising a base and further comprising a baffle. The base is made of a flexible material and is adaptable to the size of the interior of a pre-buried channel, the width of the baffle is adaptable to that of the pre-buried channel, and the baffle is connected with the base through a connecting neck. The width of theconnecting neck is adaptable to an opening of the pre-buried channel, and a gridding cloth is arranged at the end, away from the baffle, of the base. The integrated slurry-leaking-preventing fillingmaterial has the beneficial effects that through improvement forthe structure, the filling material can be filled at a time, so that permeation of concrete can be effectively prevented in the formingprocess of the pre-buried channel, the filling material can be removed at a time as well, thus the filling material can be reused, and the cost is reduced.
Owner:SHANDONG ANTEKY ENG MATERIALS CO LTD
Preparation method of light refractory plate
The invention discloses a preparation method of a light refractory plate, belonging to the field of the refractory material. The preparation method comprises the following steps: using talcum powder, bauxite powder and clay powder as main raw materials to mix evenly in advance, then adding expansion glazed hollow beads to mix evenly, placing the final mixture in a mixer, adding water to stir, shaping, drying, and firing at 1400-1600 DEG C. The added glazed hollow beads can meet the refractory requirement and also effectively achieve the aim of reducing the weight. The method can be widely used in the fields such as architecture, metallurgy and chemical engineering.
Owner:BEIJING UNIV OF TECH +1
Rail crossing fire shutter and its construction method
ActiveCN110714705BFire Sealing SupplementMeet fire resistance requirementsShutters/ movable grillesFireproof doorsStructural engineeringMechanical engineering
Owner:CHINA NUCLEAR POWER ENG CO LTD
Door bottom seam sealing device and application thereof in fireproof door and small refuge room
ActiveCN105113963AGood fire resistanceGood rust resistanceFireproof doorsSealing arrangementsMechanical engineeringFire door
The invention discloses a door bottom seam sealing device and application thereof in a fireproof door and a small refuge room. The door bottom seam sealing device comprises a U-shaped guide sleeve, a foam glass block, fixing pieces and an opening and closing latch; a U-shaped opening end of the U-shaped guide sleeve faces downwards and is fixed at the bottom of a door body; elongated chutes are respectively formed in two ends of each of two side surfaces of the U-shaped guide sleeve; the foam glass block is inlaid in the opening end of the U-shaped guide sleeve; latch holes are formed in two ends of the foam glass block; and the fixing pieces are positioned above the elongated chutes of the U-shaped guide sleeve. The door bottom seam sealing device is simple in structure and wide in application range; requirements of fireproofing and breathability of doors are met; and requirements of residential building are also met.
Owner:厦门合立道工程设计集团股份有限公司
A kind of highly flame-retardant rigid polyurethane foam and its preparation method
ActiveCN103709432BHas a smoke suppressant effectLow smoke densityPolymer scienceDimethyl methylphosphonate
The invention discloses high-flame retardant rigid polyurethane foaming plastic and a preparation method thereof. The preparation method comprises the following steps: evenly mixing polyol, a compound flame retardant, a foaming agent, a foam stabilizer and a catalyst to prepare a polyurethane composition A; controlling the material temperature and mould temperature, adding isocyanate into A, and stirring evenly; and pouring the evenly mixed liquid into a mould for foaming to obtain the high-flame retardant rigid polyurethane foaming plastic after foaming and curing. According to the high-flame retardant rigid polyurethane foaming plastic and the preparation method, halogen-free environment-friendly solid flame retardant aluminum hypophosphite, phenyl aluminum hypophosphite, and halogen-free liquid flame retardant dimethyl methylphosphonate are adopted for being compounded with cyclic phosphonate flame retardant to replace a conventional halogen-containing flame retardant, and a dispersant is adopted for enabling the solid-phase flame retardant to be evenly dispersed in the liquid-phase flame retardant, so as to achieve the effect of efficient synergistic flame retardance, effectively solve the problem that ordinary rigid polyurethane foam plastic is poor in flame retardance, meanwhile also maintain various superior performances of PU (Polyurethane) rigid foam.
Owner:ZHENJIANG SANWA FLAME RETARDANT ENG TECH CO LTD
Vacuum compression self-foaming thermal insulation system and construction method thereof
ActiveCN114658122AQuality assuranceReduce mistakesHeat proofingFire proofingThermal insulationHeat conservation
The invention relates to a vacuum compression self-foaming heat preservation system which comprises a heat preservation assembly, a welded wire mesh and an expansion gap formed between the heat preservation assembly and the welded wire mesh, the heat preservation assembly is arranged on a wall through a first fastener, and the welded wire mesh is connected with the first fastener through a second fastener. The heat preservation assembly comprises a bottom layer, a vacuum compression layer and a trigger device, one side of the bottom layer is connected with the wall body, the vacuum compression layer is arranged on the other side of the bottom layer, and the trigger device is arranged on the surface of the vacuum compression layer; the construction method comprises the following steps: flattening the surface of the wall; modular production of the heat preservation assembly is carried out according to needs; the heat preservation assembly is fixed to a wall, a welded wire mesh is constructed outside the wall, and an expansion gap is reserved between the welded wire mesh and the wall. Pulling the trigger device, and reacting the foaming reagent to finish the construction. The thermal insulation assembly can be modularly produced, errors caused by human factors in the construction process are reduced, and the quality of a wall thermal insulation system is guaranteed.
Owner:CHINA CONSTR EIGHTH ENG DIV
BIPV photovoltaic module packaging process applying laser additive manufacturing technology
PendingCN113540278AMeet fire resistance requirementsEasy to useFinal product manufactureCoatingsGalvanometerSilicon oxide
The invention relates to a BIPV photovoltaic module packaging process applying a laser additive manufacturing technology. The process comprises the following steps of: preparing a silicon oxide layer in the circumferential direction of a photovoltaic cover plate by using a laser additive manufacturing technology, covering the photovoltaic cover plate with a PVB film, performing combination and lamination packaging with a photovoltaic module, and finally welding an interface between the silicon oxide layer and the photovoltaic module by using a laser galvanometer to obtain the BIPV photovoltaic module. According to the packaging process, the sealing performance of the photovoltaic module can be improved, the fireproof requirement of the BIPV industry for the photovoltaic module is met, and the application prospect is expanded.
Owner:唐山科莱鼎光电科技有限公司
A kind of porcelain type fire door core board
ActiveCN106088980BMeet fire resistance requirementsHigh strengthFireproof doorsCeramic layered productsFireproofingMesh reinforcement
Owner:GUANGZHOU QINGNENG BUILDING MATERIALS CO LTD
A kind of refractory rock wool board and preparation method thereof
Owner:金隅星节能保温科技(唐山)有限公司
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