46results about How to "Meet fire resistance requirements" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.