54results about How to "Improve fire performance" patented technology

The utility model provides a kind of noise reduction fire prevention fence of photovoltaic energy storage equipment, including multiple improved type enclosing mechanism;Improved type enclosing mechanism includes multiple side-by-side distribution support frame, and sound-absorbing board piece is assembled between adjacent support frame;Support frame includes first I type vertical steel frame and I type angle steel frame arranged at the top of first I type vertical, and the included angle of first I type vertical steel frame and I type angle steel frame is 120-135 °;Sound-absorbing board piece includes square frame body and sound-absorbing material filled in the inside of square frame body, and square frame body includes the inner side panel close to photovoltaic energy storage equipment, and multiple honeycomb holes are opened in the inner side panel through penetration.It is designed that the included angle of first I type vertical steel frame and I type angle steel frame of improved type enclosing mechanism is 120 °-135 °, and cooperate sound-absorbing board piece;Make sound wave multiple scattering after impact, reduce the noise peak of single direction strong reflection in sensitive area (such as residential area).

The utility model provides a fireproof curtain for clean room, reel, door machine is placed in the curtain box, reel is flat and both ends are supported in the curtain box, reel is connected with door machine, the top of guide rail is open with curtain box, guide rail is placed in the both sides of curtain, the bottom of guide rail is connected and is equipped with channel steel, channel steel is connected with wall body, one end of curtain is connected with reel, curtain rotates up and down opening and closing around reel center axis, the both sides of curtain are slidably connected with corresponding guide rail, control box and switch button are arranged outside the curtain box, curtain is equipped with two layers and two layers of curtain are relatively parallel and are set up interval, door machine is set up at the same side of two reels, drives two reels to rotate to the same direction, controls door machine rotation through switch button, drives two reels synchronous rotation, and then makes two layers of curtain pull up and be in the open state or be in the closed state after unfolding downward, thereby guarantees the air tightness of clean room, improves the fireproof performance simultaneously.

The utility model belongs to the wood structure building fire prevention technical field relates to a kind of fireproof construction system of wood structure building structure frame, it includes the wooden crossbeam (1) of structure frame, the top surface of wooden crossbeam (1) is provided with the recess (2) of length and is equipped with water delivery pipeline (3) in the recess (2) of length, multiple spray heads (4) are equipped on water delivery pipeline (3) and are spaced, the front and back side and the bottom surface of wooden crossbeam (1) are equipped with multiple drainage recesses (5) corresponding with multiple spray heads (4) one to one, the junction of the top surface and the front and back side of wooden crossbeam (1) is equipped with first inclined plane (6) and the junction of the bottom surface and the front and back side of wooden crossbeam (1) is equipped with second inclined plane (7), the outer surface of wooden crossbeam (1) is all equipped with flow guide structure (8).It can use very small water volume to extend the fire resistance limit of wood structure load-bearing component, to improve the safety of heavy wood frame structure building with low-cost strategy.

This utility model relates to the technical field of sealing devices, and discloses a cable hole sealing device and a transformer box. The cable hole sealing device includes a body and a filler. The body is a flexible strip structure with a cavity inside. The body has a filling port and a groove along its length, which is suitable for engaging with the cable hole. The filler is filled into the body. This utility model bends the flexible strip structure of the body into a shape that matches the cable hole and installs it in the cable hole of the transformer box. When the filler is filled into the body, the body expands to completely seal the cable hole, effectively preventing small animals from entering the transformer box, reducing the risk of the wiring inside the transformer box being chewed by small animals, and improving the reliability of fireproof sealing. The groove engages with the edge of the cable hole to prevent the body from moving or shifting. It has the advantages of simple structure and convenient disassembly and assembly.

The utility model relates to bridge cable protection structure field discloses a kind of fire-resistant protective structure of bridge cable system, including heat insulation layer, fire-retardant sealing layer and protective layer sequentially arranged from inside to outside, and high-temperature-resistant adhesive glue is equipped between the heat insulation layer with the bridge cable. The heat insulation layer is excellent in thermal stability, and excellent in heat insulation effect;The fire-retardant sealing layer is formed by basalt fiber cloth or high-silica cloth and fire-retardant sealant, and the thickness of fire-retardant sealing layer is 3-6mm, and it is good in high-temperature resistance, fire resistance, vibration resistance and sealing property, and stable in structure;The high-temperature-resistant adhesive glue has excellent temperature resistance, adhesion, moisture resistance and vibration resistance. The protective layer uses silicone high-temperature paint, to further enhance the durability of protective structure. The fire-resistant protective structure of the bridge cable system has clear function, stable performance, easy construction, excellent heat insulation, fireproof and durable performance, and obvious comprehensive advantages.

This invention belongs to the field of building materials technology and relates to a radiation-cooled paving brick and its preparation method. The radiation-cooled paving brick comprises, from bottom to top, a base layer, a functional layer, and a surface layer. The functional layer comprises, by weight, the following raw material components: 20-50 parts cement-based binder, 20-50 parts radiation-cooling functional filler, 0-30 parts aggregate, 0.5-2.5 parts admixture, and 0.1-0.5 parts reinforcing fiber. Both the functional layer and the base layer of this invention are cement-based materials, resulting in strong bonding. Through the synergistic effect of the functional filler in the functional layer and the cement hydration products with radiation-cooling function, and with the surface coated with an inorganic nano-high-hardness self-cleaning surface layer, a highly efficient and long-lasting radiation-cooling effect can be achieved.

This invention relates to the technical field of adhesives, and discloses a method for preparing and applying a water-resistant and fire-retardant adhesive for wood-based panels, comprising the following steps: S1: Modifying titanium dioxide using a titanate coupling agent or a phosphate coupling agent to obtain hydrophobically modified titanium dioxide; S2: Dissolving urea in phosphoric acid, adding soluble starch and heating to react, then drying to obtain starch ammonium phosphate; S3: Mixing and stirring epoxy resin, epoxy resin curing agent, terminal epoxy silicone oil, hydrophobically modified titanium dioxide, starch ammonium phosphate, ammonium polyphosphate and ethyl acetate to obtain a water-resistant and fire-retardant adhesive. This invention optimizes each component to better suit the epoxy resin system, achieving the construction of a multi-component synergistic functional coating system. The components exhibit good compatibility and dispersibility, significantly improving overall adhesion, water resistance, durability, and coating density, while also possessing good flame retardancy.

This utility model discloses a fire-resistant hazardous goods container, belonging to the field of container technology. It includes a container body comprising beams and columns located at the edges of the body. Steel plates are installed on all six sides formed by the beams and columns. Fireproof plates are installed on the inner walls of the container. Vertical partitions are installed inside the container, dividing it into a storage compartment and a safety compartment. Multiple fire detection detectors are evenly distributed on the top of the storage compartment. A main control unit and a fire extinguishing agent tank are installed in the safety compartment. Fire extinguishing agent pipelines are connected to the fire extinguishing agent tank, extending into the storage compartment and running along its top. Fire extinguishing agent nozzles are also connected to the fire extinguishing agent pipelines. An electric pump is installed near the end of the fire extinguishing agent tank on the pipelines. The main control unit is electrically connected to the electric pump and the fire detection detectors. This fire-resistant hazardous goods container effectively solves the problem of insufficient fire resistance in existing containers and the safety risks associated with transporting hazardous goods.

The present application relates to the technical field of paint, and relates to an oil-based fireproof paint and a preparation method thereof.The oil-based fireproof paint comprises the following components in parts by weight: modified epoxy resin 15-19, organic silicon modified acrylic resin 5-7, silane modified ammonium polyphosphate 10-12, pentaerythritol 5-8, zinc borate 3-5, hydrotalcite coated zinc stannate composite material 10-12, boron nitride 9-11, dispersing agent 0.8-1.2, leveling agent 0.2-0.4, polyamide wax anti-settling agent 0.6-0.8, and solvent 40-60.The oil-based fireproof paint provided by the present application improves the fire resistance limit and the flame retardancy of the paint, and achieves the best fireproof protection effect;the compatibility of the ammonium polyphosphate and the oil-based resin matrix is improved, and the fireproof performance, the long-term storage stability and the medium corrosion resistance of the cured coating are improved.

The utility model discloses a kind of high-performance fireproof thermal insulation decorative wallboards, including wallboard main body, the inner wall of wallboard main body is connected with insulation board, the right side of insulation board is provided with heat circulation pipe, the right side of heat circulation pipe is provided with heat-accumulating plate, the outer surface of heat circulation pipe is connected with a group of fixed clamps, the both ends of heat circulation pipe are connected with water inlet pipe and water outlet pipe;The utility model forms heat circulation by setting heat circulation pipe in wallboard, heat-accumulating plate can effectively gather heat, this active type heat preservation mode is more efficient than traditional passive type heat preservation material, can significantly improve the thermal insulation performance of wallboard, using non-rock wool heat preservation material, can improve the fireproof performance of wallboard under the premise of not sacrificing heat preservation effect, reduce fire risk, and further improve the heat preservation effect by insulation board, in short, the design of this high-performance fireproof thermal insulation decorative wallboard provides more efficient heat preservation performance.

This invention belongs to the field of fire-retardant coating technology, specifically relating to a colorless and transparent fire-retardant coating. The inner layer coating of this invention is mainly composed of the following raw materials in parts by weight: 30-50 parts water-based polypropylene resin, 50-70 parts water-based polyurethane resin, 80-100 parts polysiloxane, 1-1.5 parts film-forming aid, 20-30 parts dimethyl sulfoxide, 3-5 parts anionic dispersant, 4-6 parts porous silica-supported nano-silver antibacterial agent, and 5-8 parts preservative. The outer layer coating is mainly composed of the following raw materials in parts by weight: 30-50 parts water-based polypropylene resin, 50-70 parts water-based polyurethane resin, 80-100 parts polysiloxane, 1-1.5 parts film-forming aid, 20-30 parts water, 2-4 parts hydroxyethyl cellulose, 30-50 parts flame retardant, and N parts cationic dispersant, where N is 20-35% of the amount of anionic dispersant. This invention is fire-retardant and corrosion-resistant, with high adhesion between the inner and outer coatings.

The utility model discloses a kind of flame-retardant fabric emergency cooling devices, including flame-retardant cloth and external box, external box is equipped with installation box, installation box is equipped with fixed base, high-pressure gas tank is equipped on the fixed base, liquid storage tank is equipped on the fixed base, installation box is equipped with the gas pressure regulating valve corresponding with high-pressure gas tank setting, installation box is equipped with the liquid proportional valve corresponding with liquid storage tank setting, installation box is equipped with double-fluid nozzle, installation box is equipped with gas-liquid mixing tank, installation box is equipped with atomizing injection port, interlayer is set in flame-retardant cloth, by gas pressure regulating valve and liquid proportional valve simultaneously opening, high-pressure gas tank and liquid storage tank high-pressure gas and liquid are transported to double-fluid nozzle and gas-liquid mixing tank, high-pressure gas is sheared liquid in gas-liquid mixing tank venturi mixing cavity and forms micro mist, and spraying is completed by atomizing injection port, realize flame-retardant fabric emergency cooling.

The utility model discloses high temperature heat -proof fire door relates to the field of fire door. This high temperature heat -proof fire door includes fire door unit and cooling unit. Fire door unit contains the door body, the heat insulation board of inlaying in the door body, the protection block of fixed in the back of door body and set up at the door handle of door body positive surface. Cooling unit is by setting up in the first serpentine pipe of door body, with the second serpentine pipe of first serpentine pipe intercommunication, install the inlet pipe of first serpentine pipe one end and install the outlet pipe of second serpentine pipe one end and inlay in the protection block, and outlet pipe equidistance sets up multiple water outlet holes, is used for spraying to reduce the temperature of fire door in advance. This high temperature heat -proof fire door passes through setting cooling unit, realizes the circulating flow of cooling water, initiatively reduces the temperature of fire door, further enhances the fire -resistant performance, and the water that outlet pipe sprays still can form a layer of water film, further insulates heat transfer, improves the fire -resistant performance of fire door.

This invention relates to a fire-resistant, heat-insulating, and thermally insulating composite material, its preparation method, and its application. The composite material comprises an outer layer and an inner layer stacked together, connected by weaving and / or quilting. The outer layer includes a first woven layer made of a first continuous refractory fiber, with a bimetallic hydroxide epitaxially grown in situ on the surface of the first continuous refractory fiber. The inner layer includes a second woven layer made of a second continuous refractory fiber, with flexible aerogel disposed on the surface and / or in the cavities of the second woven layer. The interlayer anions of the bimetallic hydroxide include carbonate and / or bicarbonate ions. This invention utilizes continuous refractory fibers, which are beneficial for flame retardancy, fire prevention, and heat insulation. The bimetallic hydroxide in the outer layer can release interlayer water and hydroxyl water at high temperatures, and the interlayer anions can decompose into carbon dioxide, actively cooling and extinguishing open flames. The flexible aerogel in the inner layer is beneficial for heat insulation. The connection method avoids the use of polymer adhesives, resulting in good air permeability.

This invention discloses a silicate colloid for high-solids-content, high-modulus composite fire-resistant glass and its preparation method, relating to the field of composite fire-resistant glass technology. Specifically, it describes a silicate colloid for high-solids-content, high-modulus composite fire-resistant glass and its preparation method. The colloid, by weight percentage, comprises a silicon source, water, glycerol / ethylene glycol / polyethylene glycol / polyglycerol, water-soluble organic acids and salts, water-soluble metal oxides or hydroxides, and alkali metal hydroxides, wherein the solids content is 60-75% and the modulus is 4.0-5.5. The preparation method includes: uniformly mixing the silicon source, water, additives, and functional additives, then adding alkali metal hydroxides, reacting at 50-90°C to obtain a prepolymer solution, followed by vacuum degassing. The viscosity is adjusted to the desired range by controlling the reaction conditions. This prepolymer solution is suitable for pouring or coating processes. After curing, the colloid forms a fire-resistant glass core layer. The resulting fire-resistant glass has advantages such as high light transmittance, ultra-thinness, dense foaming, low-temperature resistance, high weather resistance, and long lifespan.

This utility model belongs to the field of fire-resistant cable technology, and in particular to a ceramicized fire-resistant cable, comprising a conductor composed of six stranded cores, each core being composed of seven highly conductive copper or aluminum wires stranded together. An aerogel heat-insulating buffer layer is provided on the outer layer of the conductor, and a filling layer is provided between the conductor and the aerogel heat-insulating buffer layer. A nanocomposite material shielding layer is provided on the outer layer of the aerogel heat-insulating buffer layer. This utility model ensures efficient power transmission through a multi-stranded conductor; the filling layer enhances mechanical strength, extends service life, and assists in fire resistance; the aerogel heat-insulating buffer layer provides fire and heat insulation and buffers external forces; the nanocomposite material shielding layer shields electromagnetic interference and enhances fire resistance; the fire-resistant protective layer and the wrapping layer work together for fire protection; the self-healing microcapsule repair layer automatically repairs damage; and the rubber outer sheath protects against mechanical, chemical, and water erosion. The synergistic effect of these structural layers ensures the safe and stable operation of the cable in complex environments.

This utility model relates to the field of pallet technology, and in particular to a fireproof and flame-retardant pallet, comprising a base plate, three side plates on the upper side of the base plate, a support plate on the upper side of the side plates, a flame-retardant and fireproof component one on the upper side of the support plate, and a flame-retardant and fireproof component two on one side of the side plates. The outer sides of the base plate, side plates, and support plate are coated with a fire-retardant coating. This utility model has excellent fireproof and flame-retardant performance: by setting the flame-retardant and fireproof component one on the upper side of the support plate and the flame-retardant and fireproof component two on one side of the side plates, the double flame-retardant design effectively improves the fire resistance of the pallet. The flame-retardant component one and flame-retardant component two are respectively filled with flame-retardant element one and flame-retardant element two, which can effectively delay the spread of fire and reduce fire losses in the event of a fire.

This utility model discloses a building fire simulation training device, including an upper simulation area and a lower simulation area, both constructed using shipping containers. The lower simulation area includes a furniture fire simulation training room, a kitchen fire simulation training room, an electrical fire simulation training room, and an oil fire simulation training room. The outer wall of the oil fire simulation training room has a gas storage chamber, and a gas delivery pipeline is installed on the gas storage chamber, one end of which is connected to the gas storage chamber. The gas delivery pipeline surrounds the outer wall of the lower simulation area. A bed fire model is installed in the furniture fire simulation training room directly opposite the igniter; a kitchen fire model is installed in the kitchen fire simulation training room directly opposite the igniter; and an electrical fire model is installed in the electrical fire simulation training room directly opposite the igniter. This utility model provides a variety of training scenarios and good training results, with the upper simulation area used for comprehensive fire simulation training and the lower simulation area used for real fire simulation training.

The utility model relates to cable technical field especially relates to a kind of anticorrosive marine cable.Its technical scheme includes: cable body, the cable body includes multiple conductor body, the outside of each conductor body is provided with natural color insulating layer.The utility model is protected by setting up semiconductive conductor shielding layer and semiconductive insulation shielding layer to natural color insulating layer and color bar color separation insulation, by setting up isolation layer protection cable body internal structure, improve the fireproof and explosion-proof performance of cable body, by setting up inner protective layer, natural color insulating layer and color bar color separation insulation are not damaged by external factors, while preventing moisture and corrosive substance from invading, by setting up armoring layer, the mechanical strength and explosion-proof performance of cable body can be enhanced, by setting up outer protective layer, cable internal structure can be effectively protected from the corrosion of marine environment, while also having certain flame retardancy, the explosion-proof performance of cable can be improved.

This utility model relates to the field of fire escape technology, specifically a dual-rope rapid descent high-rise fire escape device, including a mounting base and two steel wire ropes. The mounting base is U-shaped, and four pulleys are rotatably installed in the grooves at both ends of the mounting base. The four pulleys are in contact with the two steel wire ropes respectively. Anchors are provided at both ends of the steel wire ropes. A load-bearing mechanism and a deceleration mechanism are installed on the top of the mounting base. The load-bearing mechanism includes a fixed base, a carabiner, a fixing strap, and an escape bag. The fixed base is U-shaped, and both ends of the fixed base are annular. The fixed base is fixedly installed on the top of the mounting base. Carabiners are connected to the annular portions at both ends of the fixed base. There are four fixing straps. This dual-rope rapid descent high-rise fire escape device can realize rapid escape from high-rise building fires with high safety.

This invention discloses a functionalized MXene-based waterborne fire-retardant coating, its preparation method, and its application, belonging to the field of fire-retardant coating technology. This invention combines the advantages of functionalized MXene materials, such as high dispersibility, high temperature resistance, and excellent flame-retardant properties, using waterborne polyurethane as the resin matrix, ammonium citrate as the acid source, and MXene materials as nanostructured flame retardants to develop an environmentally friendly, high-performance reinforced waterborne fire-retardant coating. The MXene materials can be obtained through chemical modification with different functional groups (such as silane coupling agents, calixarenes, and MOFs) to introduce polar groups onto the surface. The fire-retardant coating prepared using functionalized MXene materials achieves UL-94 V-0 flame retardancy through a dual mechanism of physical barrier and "catalytic char formation," while also possessing high mechanical strength and thermal stability, making it suitable for protecting substrates such as metals and wood.

A modular six-dimensional mortise and tenon structure four-in-one composite panel and panel forming machine are disclosed. The panel includes wall panels and floor slabs. Each wall panel and floor slab comprises a panel, supporting keel, insulation layer, and edge-sealing steel components. Supporting keels are installed inside the inner and outer panels, and edge-sealing steel components are installed on all four sides of the panels. Insulation material is filled into the wall panel formed by the panel and edge-sealing steel components to form an insulation layer. The edge-sealing steel components include shaped steel and special-shaped tubes. The left and right sides of the wall panel are edge-sealed with special-shaped tubes, and the top and bottom ends are edge-sealed with shaped steel. The grooves formed by the sidewalls of the special-shaped tubes correspond to the shaped steel. The four sides of the floor slab are edge-sealed with special-shaped tubes. This composite panel is a green, environmentally friendly, low-carbon, energy-saving, and movable modular six-dimensional mortise and tenon structure that can be quickly and repeatedly assembled and disassembled. It integrates structure, enclosure, insulation, and decoration into one unit. A house can be constructed by directly splicing the composite wall panels and floor slabs, featuring convenient assembly and disassembly, high efficiency, and good structural stability.

This utility model relates to the field of building wall panels, specifically providing a steel structure prefabricated wall panel, including a decorative panel. A splicing assembly is fixed to the side surface of the decorative panel, and a connecting assembly is fixed to the surface of the splicing assembly. The splicing assembly includes a vertical plate fixed to the side surface of the decorative panel, and multiple sets of horizontal plates are fixed to the side surface of the vertical plate. A connecting frame is fixed to the surface of the vertical plate, and multiple sets of annular holes are fixed to the side surface of the connecting frame, as well as two sets of annular holes. Fixing plates are fixed to both the left and right ends of the vertical plate. In this utility model, the splicing assembly uses a sliding column to drive a convex column to slide. A spring reset, combined with a sliding groove guide, causes the convex column to move axially, achieving rapid engagement and fixing of multiple sets of connecting frames without the need for bolt tightening, thus improving splicing efficiency. The concave-convex structure of the connecting cylinder and the connecting frame enhances connection stability, and the connecting column, combined with the annular holes, further improves stability.

The utility model discloses an integrated large-span assembly type exquisite steel curtain wall structure, concretely relates to the exquisite steel curtain wall structure technical field, including framework component, fixed component, curtain wall component and second connecting component, the side of framework component is equipped with fixed component, and the side away from fixed component of framework component places curtain wall component, and the top of curtain wall component is equipped with second connecting component, and it can carry out real -time detection to the prestress that second fixed bolt exerts to second locating block surface through placing resistance voltage -transforming piece below second connecting component to the value of detection is passed to control panel, and control panel will analyze the prestress that second fixed bolt exerts to second locating block surface, when the prestress is less than certain critical value, and control panel will be in time to the feedback of construction personnel, and lets construction personnel to carry out the rush repair to it.

The utility model relates to building structure engineering technical field discloses a kind of large-span gymnasium, including two chassis, the top wall lamp of chassis is equipped with multiple engagement grooves, the top of chassis is provided with multiple support frames, the bottom left and right sides of support frame are respectively engaged with corresponding engagement groove, the front side of engagement groove is equipped with mounting groove, the inside fixed connection of support frame has prestressed cable, the top left and right sides of mounting groove are all fixedly connected with connecting beam, the top of connecting beam is fixedly connected with multiple steel beams, the top of steel beam is fixedly installed with cover plate. In the utility model, the inside mounting groove of support frame is completed to the fixed connection of prestressed cable, to improve the stability and security of multiple support frames installation, the connection of connecting beam and steel beam can increase the height of gymnasium and ensure the overall strength of building, reach the purpose that construction is simple, shorten construction period.

A sealing enhancement structure suitable for medium and low pressure air ducts includes an air duct with a flange at its end. A first sealing gasket is provided between the flanges of two adjacent air ducts. An L-shaped sealing gasket is provided on the back of the flange. Matching clamps are provided on the outside of the flange, the first sealing gasket, and the L-shaped sealing gasket. Bolts pass through the screw holes on the clamps, the L-shaped sealing gasket, the flange, and the first sealing gasket to tightly connect the two adjacent air ducts. This utility model effectively prevents air leakage at the air duct connection by compressing the sealing gasket through the flange structure with grooves and protrusions, thereby improving the operating efficiency of the system. It avoids the problems of air leakage at the interface and insufficient elasticity and tightness due to insufficient thickness of the flange gasket when using combined flange connections for traditional air duct systems. It has the advantages of simple structure, good sealing performance, and good safety.

This utility model discloses a tangential combustion system for pulverized coal boilers suitable for low-volatile coal types. It includes a boiler body, an air preheater, a secondary air fan, a primary air fan, and multiple coal mills. Each coal mill outlet is connected to multiple pulverized coal pipes. All pulverized coal pipes are connected to pulverized coal burners on the boiler body. Each pulverized coal burner is equipped with a burner air box. The secondary air fan outlet is connected to the burner air box via the air preheater. The primary air fan outlet is divided into two paths: one path connects to the hot primary air duct after passing through the air preheater, and the other path directly connects to the inlet of the hot primary air duct. The hot primary air duct outlet is divided into two paths: one path directly connects to the inlet of each coal mill, and the other path connects to the pulverized coal pipe at the outlet of each coal mill via a bypass hot primary air duct. This utility model can significantly increase the initial temperature of pulverized coal entering the furnace, improving the ignition and stable combustion capabilities of low-volatile coal.

This utility model belongs to the field of composite panel exterior wall technology, and particularly relates to an aluminum-plastic composite panel exterior wall structure system, including a composite aluminum panel, and further comprising: a galvanized steel pipe movably installed on one side of the composite aluminum panel, a galvanized steel plate being installed through the interior of the galvanized steel pipe, fireproof cotton being fixedly installed inside the galvanized steel plate, and gunpowder nails movably installed on one side of the galvanized steel plate. Multiple composite aluminum panels can be spliced ​​together for easy assembly and support of the exterior wall. The galvanized steel plate is then fixed to one side of the composite aluminum panel to enhance its support stability. The galvanized steel plate is fixed by gunpowder nails, and fireproof cotton is placed inside the galvanized steel plate to provide fire protection and enhance the fire resistance of the composite aluminum panel. The fireproof cotton is made of inorganic fiber cotton, which enhances fire resistance. When used in conjunction with the composite aluminum panel, the inorganic fiber cotton effectively enhances the fireproofing effect.