90 results about "Fireproofing" patented technology

This utility model relates to the field of fire-resistant infill door technology, specifically: a reinforced fireproof infill door, comprising a door body, the door body being composed of an outer protective layer, a first fireproof and heat-insulating layer, a reinforcing support layer, a second fireproof and heat-insulating layer, a buffer and shock-absorbing layer, and an inner protective layer. The outer protective layer is a steel plate with a fireproof coating; the first fireproof and heat-insulating layer is an aerogel composite fireproof felt; the reinforcing support layer is a honeycomb stainless steel skeleton structure; the second fireproof and heat-insulating layer is an expanded perlite fireproof board; the buffer and shock-absorbing layer is melamine foam; and the inner protective layer is a fireproof decorative board. In this utility model, through the synergistic effect of the six layers, the performance of the door body is comprehensively improved from multiple aspects such as fireproofing, heat insulation, structural support, and buffer and shock absorption. It can effectively block the spread of flames and heat for a long time during a fire, ensuring the structural integrity of the door body and buying valuable time for safe evacuation and fire rescue.

The utility model relates to the technical field of aluminum bamboo wood veneers, in particular to a fireproof composite silencing aluminum bamboo wood veneer for a multimedia space, which comprises an aluminum honeycomb core layer arranged in an aluminum layer, silicon dioxide aerogel is filled in the aluminum honeycomb core layer, heat insulation and silencing can be achieved, and a graphene fireproof coating expands after meeting fire, so that the fireproof composite silencing aluminum bamboo wood veneer is formed. And finally, water vapor is blocked through the PET film to enter the bamboo base layer, and the fireproof, sound-proof and damp-proof functions are achieved at the same time.

The negative pressure fire insulation accident oil collecting device with the oil blocking function is used for being arranged on the side of a movable transformer and comprises a modular oil tank, and an oil inlet is formed in the top of the modular oil tank; the oil baffle plate is mounted at the oil inlet, and the plate surface of the oil baffle plate is arranged towards the mobile transformer; the fire insulation interlayer is fixed in the modularized oil tank and divides an inner cavity of the modularized oil tank into an upper-layer fire insulation cavity and a lower-layer oil storage cavity; the negative pressure mechanism communicates with the oil storage cavity and is used for forming negative pressure in the oil storage cavity and diluting oxygen in the oil tank, the requirement for rapid deployment of the mobile transformer substation is met through the design of the modular oil tank, and the problems that a traditional civil engineering oil pool cannot move and is long in period are solved. The oil baffle plate effectively blocks and guides splashed high-temperature oil liquid, so that the problem that fire behavior is expanded due to the fact that the oil liquid spreads everywhere during an accident is solved; the fire insulation interlayer allows oil to pass through but can isolate open fire outside, and the risk of secondary combustion or explosion caused by the fact that flames flow into the oil storage cavity along with oil is reduced.

Electric or hybrid vehicle traction battery forming a flat casing comprising a lower tray (2) closed by a lid, inside crossbeams (8) each separating two adjacent zones receiving electrochemical cell modules (6), at the level of these crossbeams (8) free spaces connecting two adjacent zones, and comprising a foam strip fitted in each free space, which constitutes, at the level of these crossbeams (8), fire barriers between the two adjacent zones. Figure 4

The invention relates to a fireproofing composition comprising a component A and a component B. The component A comprises a liquid epoxy resin and ammonium polyphosphate. The component B comprises (i) at least one adduct B1 of at least one polyamine having at least three amine hydrogens reactive towards epoxy groups and (ii) at least one epoxide, an ether group containing aliphatic primary diamine B2 and an aliphatic or cycloaliphatic primary diamine B3. The fireproofing composition has a good adhesion to metals, shows a good fireproofing value with low mass loss after passing through the drying oven of the automotive industry and is suitable for spraying.

The invention relates to the technical field of wireless base stations, in particular to a wireless base station which comprises a wireless base station main box body, and a maintenance auxiliary mechanism is fixedly installed in the middle of the rear side in the wireless base station main box body. According to the wireless base station, a multi-layer heat dissipation fireproof system is constructed, during operation, heat conduction aluminum heat dissipation fins, heat dissipation grooves and a box body heat dissipation ventilation window body of the base station body cooperatively dissipate heat, a dust screen synchronously blocks dust, when the temperature in a box body rises, phase change fireproof filler in a piston cylinder barrel expands in a phase change mode, a sealing side plate is pushed to move upwards, and the heat dissipation area is increased; if a fire occurs, the fusing sealing cover is melted, the filler is sprayed to extinguish fire, then the reset spring drives the sealing side plate to seal the box body again to prevent the fire from spreading, when the phase-change material is adopted as the filler, inert gas generated by high-temperature gasification can fill the box body, even if the sealing performance is reduced, air can be continuously isolated to extinguish fire, and the whole set of system operates in a pure physical mechanism. Temperature triggering is accurate, electronic elements are not needed, and stability and reliability of a protection system are ensured.

The application discloses a sound insulation fireproof composite heat preservation board in the technical field of building enclosure wall composite boards, which comprises a heat preservation board body, wherein the heat preservation board body comprises double-sided aluminum panels, a fireproof sound insulation interlayer, a core heat preservation layer, a bonding layer and a backboard layer; the double-sided aluminum panels are arranged on the outer side of the heat preservation board body; the backboard layer is arranged on the inner side of the heat preservation board body; the double-sided aluminum panels and the backboard layer are sequentially combined with the fireproof sound insulation interlayer and the core heat preservation layer through the bonding layer; and multistage damping sound insulation support units are arranged on the two sides in the fireproof sound insulation interlayer. The application solves the technical problems that the existing heat preservation boards are mostly single-layer simple superposition structures, the protection and durability are insufficient, there is no special fireproof sound insulation structure, flame-retardant collaborative design and airtight heat preservation structure, the noise reduction, fireproofing and heat preservation effects are poor, and the levels are loose and not tightly combined, and the sound insulation fireproof composite heat preservation board can meet the modern building requirements.

This invention relates to the field of open-pit mine safety and disaster prevention technology, and discloses a method for the coordinated prevention and control of spontaneous combustion and instability of open-pit mine slopes based on solid waste spraying and drone inspection. The method involves preparing a solid waste-based fire-resistant and reinforcing slurry with both fireproofing and reinforcement functions using fly ash as the main solid waste. After spraying the slurry across the entire target slope, an initial digital twin benchmark model containing three-dimensional morphology and temperature field is constructed. Data is collected through periodic fully automated drone inspections to identify temperature anomaly zones and newly formed cracks, and a temperature-crack field distribution map is generated. Targeted reinforcement spraying is applied to anomaly areas, and the treatment effect is quantitatively verified. Based on the crack evolution law, high-frequency regeneration areas are identified, a risk index is calculated, and a graded coordinated early warning system for spontaneous combustion and instability is implemented. This method achieves the resource utilization of industrial solid waste, significantly reduces prevention and control costs, and simultaneously enables precise monitoring, targeted treatment, and coordinated early warning of two types of disasters on open-pit mine slopes, improving the systematic and intelligent level of mine safety management.

The application relates to the field of building structure fireproof technology, and provides a bridge pier column fireproof system based on a phase change material and a use method. The fireproof system specifically comprises an expansion adhesive layer, a functional layer and an outer protective layer; the functional layer is sleeved outside a column body of the bridge pier column and is bonded with the column body through the expansion adhesive layer; the outer protective layer is sleeved outside the functional layer; the functional layer comprises a plurality of functional rings arranged in the axial direction; the functional rings are composed of a plurality of first functional blocks and a plurality of second functional blocks and are annularly spliced and have self-locking structures therebetween; the self-locking structures are used for providing circumferential prestress when the expansion adhesive layer expands; and the first functional blocks and the second functional blocks are both encapsulated with the phase change material. The encapsulation of the phase change material and the structural stability are unified, the structural integrity and continuity of the phase change functional layer in the whole fire process are ensured, and therefore the stability and the final fireproof reliability of the fireproof system are remarkably improved.

The invention belongs to the technical field of aluminum structure fire prevention, and discloses a fire prevention system for an aluminum structure building and a construction method of the fire prevention system. An atomization spraying system; a water supply system; the temperature detection part is used for detecting the temperature around the latticed shell structure; and the control device is used for controlling the water supply system to supply water to the water conveying pipeline after the first feedback signal is obtained, and controlling the water supply system to stop supplying water after the second feedback signal is obtained, so that the atomization nozzle stops spraying. The surface of the aluminum rod piece is coated with the fireproof coating, and the fireproof effect can be achieved; the temperature of the surrounding environment of the latticed shell structure is monitored through the temperature detection piece, a first feedback signal can be sent out once the temperature is larger than a first set value, and the control device controls the water supply system to supply water to the water conveying pipeline after obtaining the first feedback signal so as to achieve spraying of the atomization nozzle, so that the temperature of the surrounding environment of the latticed shell structure is reduced; and deformation of the aluminum rod piece due to too high temperature is avoided.

The present application provides a flushing toilet which can improve the handling and fireproofing of a flexible elongated member connecting a water or power supply source and a functional part, while improving the overall appearance design of the flushing toilet. The flushing toilet of the present application has a toilet body made of pottery, a functional part, a supply source capable of supplying water or power to the functional part, and a flexible elongated member connecting the supply source and the functional part. The toilet body further has a rear functional storage part capable of storing at least a part of the functional part. The rear functional storage part has an upper storage area, a lower area, and a lower communication area. The flexible elongated member extends from the upper connecting end to the lower connecting end. Therefore, after being inserted from the upper storage area into the lower communication area, the flexible elongated member does not extend from the lower communication area to the outside of the toilet body through the inside of the lower area.

The utility model relates to the technical field of glass wool, and discloses a high flame-retardant glass wool product, which comprises a glass wool base material, a waterproof layer, a flame-retardant layer, a heat-insulating layer and a protective layer, and surface coatings which are coated on the surface of the glass wool base material and are used for improving the flame-retardant effect and the fireproof performance of the glass wool base material are sprayed on the inner side and the outer side of the glass wool base material; the waterproof layer is used for preventing water from permeating into the glass wool base material and is adhered to the inner side of the glass wool base material; the flame-retardant layer is used for being matched with the surface coating to perform double-layer fire prevention and flame retardance on the outer layer of the glass wool base material; the flame-retardant layer is located on the outer side of the surface coating and deviates from the waterproof layer, the heat insulation layer is used for being matched with the surface coating and the flame-retardant layer to form a composite structure layer on the surface of the glass wool base material, and the heat insulation layer is bonded to the surface of the flame-retardant layer; the protective layer is bonded to the outer side face of the heat insulation layer and used for preventing water and fire. The high-flame-retardant glass wool product adopting the composite structure has good waterproof, flame-retardant, heat-insulating and fireproof performance.

The application provides a functionally graded ultra-high performance concrete, which comprises the following raw materials in parts by weight: cementing material 700-1300 parts, density gradient aggregate 700-1000 parts, micro-scale continuous agent 5-10 parts, functionally graded layering agent 2-5 parts, nano functional material 0.1-0.5 parts, water reducing agent 7-15 parts, water 190-235 parts, polymer fiber 0.5-1 part and steel fiber 50-250 parts. The micro-scale continuous agent and the functionally graded layering agent are compounded to realize the ordered regulation of the steel fiber and the light aggregate, so that the mechanical property and the thermal property of the concrete are continuously changed in the one-dimensional thickness direction. The functionally graded ultra-high performance concrete of the application does not have the cold joint connection between the conventional gradient concrete components, has better integrity, simplifies the construction process, has a wide application prospect, and is especially suitable for the application occasions where the fireproofing / heat preservation is required on one side of the concrete component and the structural load is required on the other side, and can truly realize the structure-fireproofing / heat preservation integration.

1. Name of the product in this design: Fireproof rubber strip. 2. Application of this design: for fireproofing, impact protection, dustproofing, and sound insulation of doors, windows, curtain walls, and partitions. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Design 1 is designated as the basic design. 6. Other matters requiring explanation: This product is of variable length.

The utility model relates to a flame-retardant multi-layer solid wood floor which comprises a wood floor body, and the wood floor body comprises a solid wood bottom plate layer, a multi-layer plate layer, a solid wood top plate layer and a flame-retardant plate layer which are located on the bottom layer. The first side face of the floor body is provided with a main tenon, and the second side face is provided with a main mortise. The main tenon is matched with the main mortise; an auxiliary tenon groove is formed over the main tenon, and an auxiliary tenon is arranged over the main tenon groove. The auxiliary mortise is matched with the auxiliary tenon; a flame-retardant particle layer is arranged at the top of the flame-retardant plate layer A flame-retardant surface paint layer is arranged on the outer surface of the flame-retardant particle layer; the two ends of the flame-retardant surface paint layer extend to the side face of the auxiliary mortise and the position above the auxiliary tenon correspondingly to wrap the top. The multi-layer solid wood floor has the advantages that the top of the multi-layer solid wood floor can be protected by covering the flame-retardant paint layer, the flame-retardant particle layer and the flame-retardant plate layer on the top of the multi-layer solid wood floor, flames are prevented from invading the floor body, and overall fire prevention is not needed.

This utility model discloses a high-strength anti-slip bathroom tile, comprising: a tile body for installation; an anti-slip layer stably disposed on the upper part of the tile body; further comprising: an anti-slip mechanism disposed on the anti-slip layer, wherein the anti-slip mechanism includes a drainage channel and a waterproof layer, the drainage channel being disposed in the middle of the anti-slip layer, and the waterproof layer being disposed at the lower end of the anti-slip layer; a first adhesive layer, wherein a heat insulation mechanism is disposed at the lower end of the first adhesive layer, wherein the heat insulation mechanism includes a heat insulation layer, a heat preservation layer, and a tile base layer, the heat insulation layer being disposed at the lower end of the first adhesive layer, the heat preservation layer being disposed at the lower end of the heat insulation layer, and the tile base layer being disposed at the lower end of the heat preservation layer. This high-strength anti-slip bathroom tile facilitates anti-slip treatment of bathroom tiles, thereby enhancing the high strength of the tile, facilitating waterproof treatment of the high-strength anti-slip bathroom tile, facilitating fireproofing treatment of the high-strength anti-slip bathroom tile, and extending the service life of the tile.

The fireproof and anticorrosion integrated structure is connected with a main cable and a cable clamp, the fireproof and anticorrosion integrated structure comprises an elastic body assembly, the elastic body assembly is arranged between the main cable and the outer surface of the cable clamp circular seam and abuts against the cable clamp, the elastic body assembly and the cable clamp are connected through a bonding piece, and the bonding piece is arranged between the main cable and the cable clamp circular seam. Reinforcing stress relief rings are bonded to the end faces, attached to the bonding pieces, of the elastomer assemblies, a first fireproof layer is laid on the outer side end face of the main cable, and a second fireproof layer is laid on the outer side end face of the cable clamp. A covering type arc-shaped encirclement ring layer is formed between the elastic body assembly and the cable clamp circular seam. The elastomer assembly is laid on the periphery of the cable clamp circular seam, cracking of a cable clamp circular seam anti-corrosion system is prevented, external corrosive media and rainwater cannot enter a main cable to cause corrosion of a main cable steel wire, the cable clamp circular seam can have the anti-corrosion and fireproof effects at the same time, and the cable clamp circular seam and the cable clamp circular seam can act at the same time.

The application discloses a kind of water-based fireproof paint and preparation process thereof, and relates to functional coating technical field.The application uses fluorosilicon epoxy hybrid emulsion as base material, and comprises hydrophobic silica aerogel, composite microencapsulated flame retardant, composite bio-based charring agent, composite free radical trapping agent, reinforcing fiber and self-repairing microcapsule and other functional components.The water-based fireproof paint prepared by the application realizes efficient flame retardation and long-term protection through multiple synergistic mechanisms such as gas-phase free radical trapping, multi-layer heat-shielding shielding and self-repairing expanded carbon layer, and has excellent fire resistance, durability and mechanical properties.

The invention provides fireproof particles and a preparation method and application thereof, and belongs to the technical field of carbon capture, utilization and storage and the technical field of fireproof materials. The fireproof particle sequentially comprises a composite inner core, a silicon dioxide layer, a super-hydrophobic coating and fins from inside to outside, wherein the composite inner core comprises a mixture of biochar, a mineral material, ammonium polyphosphate and pentacosane; the silicon dioxide layer is located on the surface of the composite core; the super-hydrophobic coating comprises C12-C18 straight chain alkyl trimethoxy silane which is bonded on the surface of the silicon dioxide layer; and the fins are adhered to the surface of the super-hydrophobic coating.

The application discloses a fireproof and extinguishing material and a preparation method and application thereof, and belongs to the technical field of fireproof and extinguishing materials. The fireproof and extinguishing material solves the problem of poor high-temperature resistance of the existing fireproof and extinguishing materials. The fireproof and extinguishing material is composed of the following components in parts by weight: fly ash 8-24 parts, modifier 0.1-0.5 parts, connecting agent 1-5 parts, inorganic mineral material 15-45 parts, foaming agent 3-8 parts, thickening agent 1-3 parts, flame retardant 0.5-2 parts and water 15-35 parts. The fireproof and extinguishing material can form a more compact structure during extinguishing, and has excellent extinguishing performance.

The invention discloses a preparation process of a flame-impact-resistant explosion-proof CCS and silicon-based composite board. The flame-impact-resistant explosion-proof CCS and silicon-based composite board comprises a silicon-based composite board, an injection molding isolation board and a mica board, a silicon-based composite board pressure relief window is formed in the silicon-based composite board; the injection molding isolation plate is provided with an isolation plate pressure relief window; a preset weak area is formed on the mica plate, and fracture guide lines are formed on the preset weak area; the thermal runaway safety bottleneck of an existing battery module is solved, the silicon-based composite board can bear flame impact at the temperature of 1000 DEG C or above without burning through, and the physical path of flame spreading in the module is blocked; a preset weak area of the mica plate and fracture guide lines enable decompression to be changed into directional controllable release from disordered spraying, the structure is excellent in insulation performance at extreme high temperature, the insulation resistance is not lower than 500 M omega after the high temperature, the structure can bear a DC5000V voltage-withstanding test, and the risk of secondary short circuit caused by material carbonization is completely eradicated; fireproofing, controllable pressure relief and insulation are achieved, fault response time is provided for a battery management system, and the safety level and reliability are improved.

To provide a liquid composition that enables formation of a fireproof layer having high fireproof performance on the surface of a substrate to which a film for wallpaper or the like is applied, a fireproof layer that can be formed using the liquid composition, a laminate structure including the fireproof layer, and a fireproofing method using the liquid composition.SOLUTION: A liquid composition contains a clay including at least one selected from the group consisting of montmorillonite, mica, hectorite and fluorosilicate, and dimer or higher phosphate.SELECTED DRAWING: Figure 1

This invention belongs to the field of environmentally friendly functional polymer materials, and discloses a water-based flame-retardant, fireproof, and waterproof treatment agent and its preparation method. It is suitable for the integrated modification of flammable porous substrates such as wood and fiber fabrics, as well as matching metal components, solving industry pain points such as single function of existing treatment agents, mutual incompatibility between flame retardants and waterproof agents, and easy loss of flame retardants. This treatment agent uses ammonium dihydrogen phosphate and other raw materials as raw materials, with a core five-layer core-shell structure flame-retardant synergist, combined with a synergistic system of waterproofing, rust prevention, mildew prevention, corrosion prevention, and insect prevention. It is prepared through mild processes such as pre-polymerization, grafting, and compounding. The product achieves synergistic enhancement of eight properties, including flame retardancy, fireproofing, waterproofing, and rust prevention. The substrate oxygen index is ≥60%, mechanical properties are positively improved, and it is fully water-based, environmentally friendly, easy to apply, uses readily available raw materials, has controllable processes, and low production costs, making it suitable for large-scale industrial production and promotion.

The invention discloses a temperature-sensing fireproof structure with a bridge main cable over-fire temperature monitoring function and a construction device of the temperature-sensing fireproof structure, and relates to the technical field of bridge main cable fireproofing. The temperature-sensing fireproof structure is composed of an outer fireproof layer, an inner fireproof layer, an irreversible thermochromic alloy sheet and a sealant layer; the inner fireproof layer is provided with a window to form a mounting groove, an alloy sheet is embedded to realize permanent recording of fire temperature, and a sealant layer guarantees sealing and bonding. The construction device comprises a first arc-shaped frame, a rotating seat and a second arc-shaped frame which are combined into a semicircular frame body for hooping the main cable, a fireproof structure is attached through a roller part, and the frame body is kept stable through a locking part. The structure solves the problem that a traditional temperature monitoring device fails in a fire, reliable temperature records are provided, the construction efficiency and quality are improved through the construction device, and safety evaluation of a bridge main cable in the fire is guaranteed.

The application provides an electric appliance box and an air conditioner. The electric appliance box comprises a box body and a blocking part. The box body has a side surface, two opposite first end surfaces and a second end surface. The side surface is connected between the first end surfaces and the second end surface. All the side surfaces of the box body are provided with heat dissipation openings. The blocking part is arranged on the side surface and opposite to the heat dissipation openings, so that the blocking part can block the heat dissipation openings. A channel is formed between the blocking part and the box body. An opening of the channel faces the second end surface. The electric appliance box can overcome the defects of poor fireproofing ability in the prior art. After the electric appliance box catches fire, the whole electric appliance device can catch fire.

The invention provides inorganic micro-cement art paint as well as a preparation method and a flatness control construction method thereof, and belongs to the technical field of building decoration materials. According to the method, closed-loop quality control is formed through standardization cooperation of material inorganic treatment and construction procedures, and the final coating has a decorative function and a good acoustic adjusting function by optimizing aggregate grading and a texture modeling process; the problems of difficulty in flatness control, large color difference, low fireproof grade and poor environmental adaptability in existing art paint construction are solved, and the art paint can be suitable for various scenes such as indoor and outdoor wall surfaces, floors and ceilings; according to the flatness control construction method provided by the invention, an intelligent process flow of process detection and feedback correction is integrated, a key closed-loop control node of polishing and flatness correction is introduced, and a traditional open-loop experience-dependent construction mode is upgraded into a quantifiable and adjustable standardized flow; and standardization and industrialization of art paint construction are realized.

This invention discloses an SAP (Super Plumbing Agent) stack spray fireproofing and sealing system with built-in horizontal components and its implementation method. The system includes distributed intelligent fireproofing units, a closed-loop pressurized fluid distribution network, and a water-absorbing and sealing unit. Unit collaboration is achieved through a wireless mesh network, intelligently triggering three-level spray modes—high spray volume, low spray volume, and asymmetric compensation—based on temperature / strain gradients to precisely suppress thermal warping deformation and provide full-coverage, adaptive dynamic fireproof protection for the horizontal components.

The utility model discloses a fire-retardant plugging auxiliary device for a hanging hole in a sleeve, relates to the technical field of building construction, and solves the problem that a template for plugging the hanging hole is inconvenient to support in the prior art. The device comprises a pair of plugging templates, wherein the two plugging templates are adjustably connected through a connecting structure; a plurality of traction hooks are distributed on the plugging template, and pull ropes are connected to the traction hooks respectively; semicircular grooves are formed in the opposite sides of the two plugging templates. According to the pipeline plugging device, the plugging templates are arranged and matched with the semicircular grooves, so that the pipeline plugging device can be clamped on a pipeline during use, the hook is arranged to be matched with the pull rope to pull from the position above the hanging hole during assembly, the two plugging templates are assembled and matched and fixed with the pipeline in cooperation with the connecting structure, and finally the plugging purpose is achieved; a support does not need to be arranged in the space below the hanging hole, the supporting difficulty and labor intensity in the installation process are lowered, and the requirement for the space below the hanging hole is lowered.

The invention belongs to the technical field of solar photovoltaics, and is suitable for the fields of special tempered glass, laminated glass, microcrystalline glass and foam glass in the fields of aerospace, vehicles, ships and the like. The method is also suitable for the field of special coated glass capable of being controlled by sunlight; the invention relates to the field of special tiles such as fire prevention and heat preservation. The production method comprises the following steps: preparing outdoor surface colored glaze printing ink, and carrying out colored glaze printing on a first surface of glass by adopting a silk-screen printing process; bC type batteries are selected, and a high-light-transmittance colored glaze technology is applied to the design of a battery layer, so that the battery layer is coordinated with the appearance effect of colored glaze glass while high light transmittance is ensured; a double-glass structure is adopted, a metal plate is arranged on the back of a photovoltaic glass assembly to serve as a reinforcing structure, and a lightweight structural assembly is obtained; and assembling the colored glazed glass, the battery layer and the light-weight structure assembly to form the light-weight simulation BIPV photovoltaic assembly.

The invention belongs to the field of rapid detection of flame retardants, and particularly relates to a rapid detection method for a core flame retardant of an intumescent steel structure fireproof coating based on a rapid colorimetric technology and a detection kit and application thereof. The xylenol orange-zirconium system is used for rapidly detecting the core flame retardant ammonium polyphosphate in the steel structure fireproof coating for the first time. According to the method provided by the invention, sampling, detection and interpretation can be completed on site within 30 minutes. A supervision node can be moved forward to key links such as paint entering and before construction, afterward responsibility investigation is changed into beforehand prevention, and supervision initiative and deterrent force are greatly improved. The method is low in cost and easy and convenient to operate, the supervision cost of wide screening can be greatly reduced, and the sampling coverage rate is increased. Market purification is facilitated, regular enterprises are protected, and healthy and ordered development of the steel structure fireproof industry is promoted.