34results about How to "Meet fire resistance" 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 the technical field of fire-resistant weather-proof steel plates for building structures, in particular to a fire-resistant weather-proof steel plate for 690MPa-grade buildingstructure and a manufacturing method thereof. The steel plate consists of the following chemical components in percentage by weight: 0.05%-0.10% of C, 0.10%-0.40% of Si, 1.20%-1.80% of Mn, less thanor equal to 0.010% of P, less than or equal to 0.003% of S, 0.7%-1.1% of Ni, 0.65%-1.10% of Cu, 0.20%-0.60% of Mo, 0.07%-0.12% of Nb, 0.05%-0.075% of V, 0.02%-0.035% of Ti, less than or equal to 0.0025% of B, 0.01%-0.04% of Al, and the balance of iron and inevitable impurities. The fire-resistant weather-proof steel plate adopts a two-phase region once thermal treatment process to obtain a reversetransformed austenite structure which is proper in proportion and stable, so that a multi-phase structure which consists of tempered-state martensite, a nano precipitated phase and retained austeniteis finally obtained. A smelting and continuous-casting process scheme realizes low-phosphor low-carbon control. The product has high strength and toughness, high plasticity, a low yield ratio, and excellent fire resistance, weather resistance and lamellar tearing resistance.

The invention discloses a separation socket, which includes a housing, an insulator I arranged inside the housing, and a flame prevention assembly fixedly mounted inside the housing, wherein the insulator I is located at the left part of the housing, the flame prevention assembly is located at the right part of the housing, and a locking sleeve penetrating through the housing and the insulator I is arranged inside the housing; an insulator II is also arranged inside the housing and is located on the left side of the insulator I; a contact pin penetrating through the insulator I and the insulator II is also arranged inside the housing; the left end of the contact pin is located outside the housing, and the right end of the contact pin is contacted with the flame prevention assembly; a slot is formed in the excircle of the contact pin; a stepped hole is arranged in the insulator I; and a cavity is formed between the stepped hole and the slot, and is internally provided with a sealing rubber layer. The separation socket can realize pressure contact during inserting combination, at the same time, can realize internal fast separation and disconnection by using the contact pressure, satisfies the use demands of flame ablation prevention and separation, and realizes sealing under the high air pressure condition by using a maze sealing structure.

A flame resistant hose having a nitrile-containing rubber inner tube layer; two reinforcing plies one or more insulating plies of rubberized fiberglass unidirectional cord fabric helically wrapped at a helix angle in the range of 40-60 degrees with respect to the hose longitudinal axis and with the edges of each reinforcing ply overlapping up to about 0.5 inches; an optional rubber cushion or tie layer between the reinforcing plies and the insulating plies; and a polychloroprene rubber outer cover layer. The hose may have one or more helical wires embedded in the hose such as between the two reinforcing layers. The hose successfully passes fire resistance testing when tested according to BS ISO 15540:1999 incorporating amendment number 1.

The invention discloses a fireproofing structure of a polyphenyl plate outer-wall outer heat-insulating building system and a construction method thereof. In the structure, fireproofing isolation strips are arranged between the outer-wall layers and in the peripheries of windows and the exposed corners of the polyphenyl plate outer-wall outer heat-insulating building system and comprise polyphenyl plates at the base layers and expended and vitrified ball heat-insulating mortar covering outside the polyphenyl plates. The construction method comprises the following steps of: cleaning the outer-wall base layers; snapping lines and composing; pasting coated glass-fiber gridding cloth; pasting the polyphenyl plates; smearing the expended and vitrified balls; punching by using anchor bolts and installing anchor bolt nylon sleeves; concealing and verifying heat-insulating plates; smearing bottom mortar; laying the glass-fiber gridding cloth; installing anchor bolts and screwing; smearing top mortar; and constructing outer finishes. The fireproofing isolation strips are additionally arranged on the basis of the polyphenyl plate outer-wall outer heat-insulating building system to isolate flames shooting from the windows and among the outer-door layers from spreading, thereby the fireproofing structure reduces the fire loss of polyphenyl plate outer walls on the basis of meeting the requirement for heat insulation.

A rainproof fireproof socket comprises an outer shell, an upper sealing layer, a lower layer sealing layer, a conversion layer, an O-shaped ring and a tail accessory. The conversion layer is evenly provided with a plurality of separation springs and separation sleeves in the circumferential direction. A fixing rod is arranged in the outer shell. An upper base seat and a lower base seat are fixed though a nut and a gasket. The front end is provided with a jack assembly, a guide sleeve A, a jack, a sealing sleeve, the O-shaped ring, and the guide sleeve A and the upper base seat. The O-shaped ring is arranged in the groove of the sealing sleeve and is sealed with a locking sleeve. Contact pins A and B and sealant are arranged in the upper base seat and the lower base seat and are fixed through the nut and the gasket. The tail part of the outer shell is provided with the tail accessory. The invention realizes the sealing of the socket under 10 atmospheric pressures, meets the use requirements of preventing rain and fire and sealing and has the advantages of compact structure, reliable connection, good electric property and strong practicality.

The invention discloses a method for preparing lightweight calcium hexaaluminate at a low temperature. The method is characterized in that the method comprises the following steps: uniformly mixing raw materials comprising a calcium raw material, an aluminum raw material, water, alcohol, amine and an alkali to obtain a mixture, placing the mixture in an autoclave, and carrying out a hydrothermal reaction at a temperature of 120-200DEG C for 5-15h to prepare a precursor; cooling the precursor to room temperature, carrying out solid-liquid separation, and drying the obtained solid at a temperature of 80-120DEG C for 2-8h to obtain a dried solid; and placing the dried solid in a high temperature furnace, calcining at a temperature of 1300-1400DEG C for 1-5h, and cooling with the furnace to room temperature to prepare lightweight calcium hexaaluminate. The sintering temperature of the method is above 150DEG C lower than that of a present technology, the phase of the prepared lightweight calcium hexaaluminate is based on calcium hexaaluminate and also comprises a corundum phase, and the prepared lightweight calcium hexaaluminate can satisfy high-performance industrial kiln requirements of performances comprising the refractoriness, the high volume stability, the slag erosion resistance, the heat insulation performance and the like of calcium hexaaluminate.

The invention relates to a medium-voltage fireproof termite-resisting cable which includes at least three conductors with insulators. The insulators are crosslinked-polyethylene insulators. A conductor shield is arranged between each conductor and a corresponding insulator. An insulating shield, a copper-tape shield and a phase-splitting fireproof layer lap the insulator of each conductor. A ceramic silicone rubber composite tape I, an oxygen isolation layer, a ceramic silicon rubber composite tape II, a copper pipe and a protective sleeve wrap the three conductors sequentially. A filling rope is arranged between the three conductors and the ceramic silicon rubber composite tape I. The filling rope is an inorganic paper filling rope. The oxygen isolation layer is a low-smoke halogen-free polyolefin oxygen isolation layer. The protective layer is a nylon protective sleeve of high-density polyethylene. The conductor shields and the insulating shields are semi-conductive crosslinked-polyethylene shields. The copper pipe is a longitudinally wrapped argon-arc-welding corrugated pipe. The medium-voltage fireproof termite-resisting cable is significantly great in fireproof performance, capable of reaching a fireproof grade of a mineral insulating cable and high in mechanical strength.

The invention relates to a cement porous polymer composite heat insulation plate. The cement porous polymer composite heat insulation plate is characterized by comprising an efficient heat insulation layer, a three-dimensional rigid skeleton and a cement concrete layer using a porous polymer as light aggregate, wherein the three-dimensional rigid skeleton is connected between the cement concrete layer and the efficient heat insulation layer and respectively embedded into the cement concrete layer and the efficient heat insulation layer so as to form an integrated plate member. The heat insulation performance of the integrated plate member can be promoted, the mechanical strength of the integrated plate member can be improved, the surface density and the weight of the integrated plate member are reduced, and meanwhile, the requirements of fireproof, shockproof, durable and wall rendering construction are met; and moreover, punching shear resistance and bending resistance of the integrated plate member can be improved, and the mechanical property required by template engineering is met.

The invention relates to a sound insulation wall body structure. The sound insulation wall body structure includes an A face spraying constructing composite wall body and a B face spraying constructing composite wall body and an air layer enclosing the A face spraying constructing composite wall body and the B face spraying constructing composite wall body, wherein the A face spraying constructingcomposite wall body and the B face spraying constructing composite wall body are independent, and the air layer is arranged in the middle of the sound insulation wall body structure; and materials such as a light steel keel skeleton, a steel wire net, wall body spraying constructing mortar are assembled in site to form the spraying constructing wall body in a continuous spraying constructing mode. The sound insulation wall body structure has the beneficial effects that a solid-air-solid double-layer structure is formed by the two independent separated spraying constructing composite wall bodies and the enclosed air layer, the noise isolation effect is achieved, and the sound bridge phenomenon is avoided; no crack and no hole exist in the spraying constructing composite wall bodies throughthe mode that the wall is formed by continuously spraying constructing, and the phenomena of 'air leakage and noise leakage' are avoided at the maximum extent; and a light steel keel and the steel wire net are adopted to be a skeleton and are an attachment surface and stress supporting of the wall body spraying constructing mortar, the light steel keel and the steel wire net are fixed to buildingstructural components and can be designed according to the height, the length, the thickness and the shape of the wall body, and construction requirements of any wall surface are met.

An embodiment of the invention discloses an electronic equipment casing and electronic equipment which are used in explosive environments and capable of meeting requirements for fire prevention, impact resistance and electrostatic protection. The electronic equipment casing comprises an antistatic surface layer and a supporting layer, wherein the supporting layer is connected with the antistatic surface layer by double-shot molding, the antistatic surface layer is made of an amorphous material, an antistatic crystalline material and a flame-retardant material in a mixing manner, the supporting layer is also made of an amorphous material, a crystalline material and a flame-retardant material in a mixing manner, and the melting point of the material combination of the antistatic surface layer is lower than that of that of the material combination of the supporting layer.

The present invention relates to a fireproof control cable and a manufacturing method thereof. The fireproof control cable of the present invention comprises: a wire core; an insulating layer is coated on the outside of the wire core; and the number of the wire cores is between 2 and 61 ; The outer layer of the cable stranded by 2-61 wire cores is the metal tube shielding layer; the outer layer of the metal tube shielding layer is an oxygen barrier layer; the outer layer of the oxygen barrier layer is a fire-resistant and impact-resistant layer; The outer layer is the outer sheath; the beneficial effects of the present invention are: the fire-resistant control cable has passed the C, W, and Z-level tests of BS6387, high voltage level, good shielding performance, good flame retardancy, large carrying capacity, and allowable short-circuit current Large and other characteristics, can meet the needs of high temperature equipment and fire control system.

The invention discloses a gypsum board with composite glass fiber veneering felts on surfaces, and relates to decorative boards for buildings. The gypsum board is mainly composed of a gypsum board core layer and the composite glass fiber veneering felts which are attached to the outer sides of the gypsum board core layer, and the composite glass fiber veneering felts comprise following raw materials of, by weight, 35-50 parts of glass fiber chopped wires, 30-45 parts of polyester fibers, and 10-25 parts of wood fibers; and the glass fiber chopped wires have a diameter of 30-35 mu and a lengthof 30-35 mm, the polyester fibers have a diameter of 20-30 mu and a length of 30-35 mm, and the wood fibers have a diameter of 14-20 mu and a length of 20-30 mm. According to the gypsum board with thecomposite glass fiber veneering felts on the surfaces, various fiber materials such as glass fibers, the polyester fibers and the wood fibers to form the composite glass fiber veneering felts with the effects of fire retardant, sound proofing and noise reduction and water proofing and mould proofing; and the composite glass fiber veneering felts are combined with a gypsum board core, or special materials are added into the gypsum board core, so that the effects of the fire retardant, the sound proofing and noise reduction and the water proofing and mould proofing are improved, and the servicelife is prolonged.

The invention discloses a mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable. The concentric conductor cable comprises a fireproof insulation wire and an outer sheath, and is characterized by further comprising a zero line concentric conductive layer wrapped outside the fireproof insulation wire, an isolation layer wrapped outside the zero line concentric conductive layer and a protection wire concentric conductor layer wrapped outside the isolation layer; and the outer sheath is wrapped outside the protection wire concentric conductor layer. The mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable has the advantages that: the cable can be applied to an environment capable of preventing mouse biting and termite gnawing, and all materials are environment-friendly, so various fireproof and antiflaming environment requirements can be met. By arranging the zero line concentric conductive layer and the protection wire concentric conductor layer, phase sequence impedance and zero sequence impedance can be matched. The concentric conductor cable is a very ideal power cable applied to public places and large engineering such as nuclear power stations, metros, airports and the like.

The invention discloses an adapting well for connecting an underground cable tunnel and a cable trench. A well chamber of the adapting well comprises a first well chamber directly communicated with the cable trench and a second well chamber directly communicated with the cable tunnel, the first well chamber and the second well chamber are communicated through a cable protection pipe, and manholes are formed in the top of the first well chamber and the top of the second well chamber; the second well chamber is arranged on a top plate of the cable tunnel, the second well chamber takes the top plate as a buffer platform, the buffer platform is provided with an inspection entrance for entering the cable tunnel and a cable hole for cable switching, and the inspection entrance and the cable hole are both communicated with the cable tunnel and the second well chamber; a cable is laid into the cable trench from the cable tunnel through the cable hole, the second well chamber, the cable protection pipe and the first well chamber, so that the connection problem of the underground tunnel and the cable trench is solved, and meanwhile, the requirements for ventilation, fire prevention and inspection maintenance are met, and full-underground design is more scientific, reasonable and economical in general drawing arrangement and pipeline trend planning.

The invention discloses a wrapping composite fireproof structure for a square steel tube concrete combined column. The wrapping composite fireproof structure comprises a flexible fireproof inner layerand a single-layer fireproof plate arranged on the outer side of the flexible fireproof inner layer. The single-layer fireproof plate and the flexible fireproof inner layer are fixed to light steel keels. The light steel keels comprise the inter-column light steel keels and the column end light steel keels. Each inter-column light steel keel is fixed between every two adjacent column limbs of thecombined column. The fixing faces of the sides of fireproof layers formed by the inter-column light steel keels are flush with the side faces of the column limbs of the combined column. The fixing faces of the ends of fireproof layers formed by the column end light steel keels are parallel to the end faces of the combined column. The flexible fireproof inner layer is flat attached to and wraps the periphery of the combined column. According to the wrapping composite fireproof structure, the fire resistance of the square steel tube concrete combined column is enhanced, and the duration of fireresistance of the square steel tube concrete combined column is increased; and meanwhile, the thickness of a traditional wrapping fireproof structure can be effectively decreased.

The invention discloses a fireproof cable, and relates to the technical field of cables, in particular to fireproof cables. The fireproof cable comprises five conductive wire cables, and a second mica wrapping layer, an outer glass fiber layer and a shield layer are sequentially arranged outside the stranded conductive wire cables. Each conductive wire cable comprises a copper wire bundle conductor, and an inner fiber layer and a first mica wrapping layer are sequentially wrapped outside each copper wire bundle conductor. Filler is arranged between the first mica wrapping layer and the second mica wrapping layer. The fireproof cable is applicable to the environment at the high temperature ranging from 500 DEG C to 800 DEG C, is good in fireproof performance and stability, high in safety, capable of meeting fireproof and fire-resistant performances required by modern construction and applicable to wires and cables applied in various waterproof devices of oil, chemical industry and high-temperature furnaces and the like.

The present invention discloses a high-temperature resistant composite derivation-rectifying roller expansion joint, comprising a drum-shaped skin, and flanges fixedly connected to two ends of the drum-shaped skin. The drum-shaped skin is of a multi-layer composite structure, and comprises a steel wire mesh I, a high silica ceramic fiber cloth layer and a glass fiber cloth that are pasted to one another in sequence from inside to outside. The high silica ceramic fiber cloth layer is composited of a plurality of layers of high silica ceramic fiber cloth, including a high silica ceramic fiber cloth layer I outside the steel wire mesh I, and a high silica ceramic fiber cloth layer II inside the glass fiber cloth; an aerogel thermal insulating layer is disposed between the high silica ceramic fiber cloth layer I and the high silica ceramic fiber cloth layer II. A further improvement is made on that a steel wire mesh II is disposed inside or outside the aerogel thermal insulating layer. The high-temperature resistant composite derivation-rectifying roller expansion joint is characterized in that organic silicone is integrally vulcanized such that the outer wall of the glass fiber cloth and the inner wall of the steel wire mesh I are covered with vulcanized layers. The high-temperature resistant composite derivation-rectifying roller expansion joint is good in thermal insulation property, resistant to high temperatures, high in structural strength, good in toughness, very long in service life, and low in energy loss.

The invention discloses a high-temperature-resistant fireproof sealing material, which includes a reinforced skeleton, a high-temperature-resistant layer is respectively attached to both sides of the reinforced skeleton, and a fireproof sealing layer and an insulating layer are sequentially compounded on the outer side of the high-temperature-resistant layer; wherein, The high temperature resistant layer is a flexible graphite layer; the fireproof sealing layer is a fireproof silica gel layer. The high-temperature-resistant and fire-proof sealing material of the present invention, through reasonable material selection and structural design, meets the premise of excellent sealing performance of water and gas, and also has the characteristics of high-temperature aging resistance and fire prevention. Compared with the existing sealing materials, the structural strength is significantly higher. Enhanced, so that it can meet the structural plasticity while improving the structural stability of the material, with excellent comprehensive performance and broad market prospects.

The invention provides a high strength combination column, includes high strength fossil fragments and filling material that metal material made, its characterized in that: fossil fragments are formed by the concatenation of a plurality of bare bones, said bare bones is cavity cylindricality structure, and is adjacent the bare bones links together, fill in the cavity of bare bones said filling material. The high strength combination column has the advantages of light weight, flexible installation, fire prevention and warm insulation, and low cost.

The invention discloses multimedia combination cable used in lift comprising data communication symmetrical cable and high wove layer covering the outer layer of said data cable; a powder cord; a reinforcing element arranged between said data cable and powder cord; and a sheath arranged in the outer layer of said data cable, powder cord and reinforcing element. The inventive data communication symmetrical cable arranges high density wove layer which can prevent outer electromagnetic interference effective, ensure the accuracy of data communication; the reinforcing element formed by Kafra fiber with inner layer can improve the intensity; and each conductor formed by hinge line improves the softness of line. Said invention realizes the use of custom high speed data communication cable in lift, with high density metal shield layer, while using the Kafra fiber instead of the normal steel reinforcement element, and combining the other cables to improve the flexibility of arrangement of cable.

The invention discloses a novel material fireproof system for a bridge steel cable. A fireproof layer is wound and wrapped on the outer side of an inhaul cable; the sealing layer is bonded and fixed on the outer side of the fireproof layer; the fastening isolation layer is made of a fluororubber material and is tightly wrapped on the outer side of the sealing layer; the protection layer is of a hard sleeve-shaped structure and is fixedly arranged on the outer side of the fastening isolation layer in a sleeving mode. On the basis of the structure of the fireproof layer and the sealing layer, the fastening sealing layer made of fluororubber and the protective layer of a hard sleeve-shaped structure are additionally arranged, through use of new materials, on the basis of improving stability, the fireproof, protective and isolation effects are further improved, and the high-standard bridge fireproof requirement is met.

The invention discloses a shock-insulating fireproofing structure and a construction method thereof. The shock-insulating fireproofing structure comprises a shock-insulating layer upper plate, a shock-insulating layer lower plate, vertical fireproof plates and fireproof plate blocking devices, wherein the vertical fireproof plates are positioned between the shock-insulating layer upper plate and the shock-insulating layer lower plate and are surrounded around the space of a shock-insulating layer; the middle parts of the fireproof plates are disconnected to form a horizontal earthquake diastrophism seam which travels around a circle of the space of the shock-insulating layer; each fireproof plate blocking device is fixedly arranged inside the earthquake diastrophism seam and is adaptive to the size of the earthquake diastrophism seam. The construction method of the shock-insulating fireproofing structure comprises the following steps: (1) determining the clear height of the shock-insulating layer and designing the size, installation position and installation height of the fireproof plates and the fireproof plate blocking devices according to the clear height; (2) mounting an upper layer fireproof plate and a lower layer fireproof plate on line; pressing the fireproof plate blocking device into the earthquake diastrophism seam. The shock-insulating fireproofing structure disclosed by the invention is capable of improving the fire resistance of the shock-insulating layer and a shock-insulating strut so as to ensure that a shock-insulating building is capable of farthest playing an effect when earthquake happens, and thus an expected effect of a shock-insulating building can be realized.

The invention belongs to the technical field of air ducts, and particularly relates to a segment prefabricated assembly type structure air duct and a construction method. The segment prefabricated assembly type structure air duct is formed by sequentially connecting and matching a plurality of air pipe main body segments end to end; each air pipe main body section comprises a stainless steel lining used for forming an air pipe main body frame, a heat preservation and insulation layer wrapping the peripheral face of the stainless steel lining and a structural layer wrapping the peripheral face of the heat preservation and insulation layer, and the adjacent air pipe main body sections are connected through lap joint structures. According to the invention, the requirements of ventilation, air conditioning and smoke prevention and exhaust are simultaneously met, the requirements of thermal insulation performance, fireproof performance and assembly type installation performance are met, and the problems of many air pipe installation procedures, long installation period, large occupied underground space, poor durability, inconvenience in maintenance and the like can be effectively solved; and the problem of damage to the overall performance of a heat preservation layer and a fireproof layer wrapped outside the air pipe in the field installation process of the air pipe is also avoided.

The invention relates to the technical field of wires and cables and especially relates to a double-layer ceramic insulation non-toxic irradiation-free electric wire and a manufacturing method. The double-layer ceramic insulation non-toxic irradiation-free electric wire comprises one or more metal cores, each metal core is wrapped with an inner skin one by one, an outer skin used for wrapping allthe inner skins and the metal cores is included, and each inner skin is composed of a first ceramic layer wrapping the metal core and a first irradiation-free layer wrapping the first ceramic layer; and the outer skin is sequentially provided with a second ceramic layer and a second irradiation-free layer from inside to outside. In the invention, a structure and ingredients of a traditional cableare optimally designed so that an irradiation-free performance index is improved on the premise of ensuring the indexes in all aspects.

The invention relates to the field of building materials, in particular to a composite magnesite partition wall plate and a production method thereof. The composite magnesite partition wall plate provided by the invention sequentially comprises a magnesite surface plate, a polystyrene foam magnesite slurry layer and a magnesite substrate plate, wherein the polystyrene foam magnesite slurry layer is formed by mixing magnesite slurry and polystyrene foam particles; and the magnesite plate and the polystyrene foam magnesite slurry are integrally pressed through a mould. Compared with the prior art, the composite magnesite partition wall plate provided by the invention has the effects of light weight, sound insulation, heat insulation, pressure resistance, fire prevention, fast installation, space saving and the like.

The invention discloses a fireproof flame-retardant polymer light building external wall insulation composite board, and particularly relates to the technical field of building external wall insulation boards. Raw materials used in the method comprise, by weight, 10-15 parts of an inorganic material, 20-40 parts of ordinary Portland cement, 1-10 parts of a heat absorbent, 2-10 parts of a waste material, 10-20 parts of silicon-based nanometer powder, 20-30 parts of graphene foaming granules, 1-5 parts of an interface treating agent, 1-5 parts of an additive and 20-40 parts of water. An organic and inorganic composite modification method is adopted, the advantages of inorganic fire prevention and organic heat preservation are integrated, and on the premise that the fireproof performance, heat preservation performance and processing performance of the board are met, the board has the advantages of being low in density, low in water absorption rate, low in heat conductivity coefficient, high in tensile strength and capable of achieving A-level fire prevention and non-combustible; and meanwhile, the plate is a green A-grade fireproof thermal insulation plate with high production efficiency and low price, and meets the requirements of high performance and environmental protection in the building industry.

The invention relates to a cable for linkage action of an intelligent emergency lighting system power distribution device. The cable comprises a plurality of wire cores; the plurality of wire cores are twisted with each other, gaps are filled with a flame-retardant PP rope filling layer to form a round cable core, the outer layer of the cable core is longitudinally wrapped with an aluminum plastictape and a polyethylene moisture-proof layer in sequence, and a galvanized steel wire braided outer sheath is arranged outside the polyethylene moisture-proof layer. Each wire core structurally comprises a plurality of strands of copper conductors, a fireproof coating layer is coated outside the plurality of strands of copper conductors, and a high-temperature fireproof belt is wrapped outside the fireproof coating layer. And the fireproof coating layer is coated on the outer layer of the multi-strand copper conductors by adopting a fireproof coating material. The number of the wire cores is2-4. According to the invention, the cable is ensured to satisfy the performances of high temperature resistance, moisture resistance, fire resistance, interference resistance, explosion prevention and the like, and the performance of reliably, rapidly and accurately transmitting signals to an emergency lighting lamp is realized.