434results about How to "Improve fire performance" patented technology

The invention relates to the technical field, and particularly discloses a nano-modified epoxy building thermal insulation material and a preparation method thereof. The nano modified epoxy building thermal insulation material is prepared from the following raw materials in parts by mass: 80 to 120 parts of Portland cement, 20 to 40 parts of slag powder, 5 to 10 parts of hollow mesoporous silicon dioxide, 0.1 to 1 part of pyrrole, 0.1 to 0.2 part of ammonium persulfate, 5 to 10 parts of nano silicon dioxide, 10 to 15 parts of bisphenol S epoxy resin, 1 to 5 parts of acrylic acid, 1 to 2 parts of polylysine, 0.01 to 0.1 part of catalyst and 1 to 2 parts of curing agent. The concrete is prepared from the following raw materials in parts by weight: 20-30 parts of epoxy resin, 4-8 parts of loaded aerogel, 0.1-1 part of polycarboxylate superplasticizer, 1-4 parts of composite fiber and 0.2-1.25 parts of hydrogen peroxide. The fireproof building material has excellent toughness, can better resist cracking and absorb energy, effectively avoids cracking and damage under the action of thermal stress, and ensures that the building material has a fireproof effect.

The invention relates to the technical field of PBT materials, and discloses a novel environment-friendly flame-retardant reinforced high glowing filament PBT material. The raw materials comprise the following components in percentage by weight: 23-44.8% of PBT resin, 0-15% of PET resin, 2-10% of a flexibilizer, 8-12% of a brominated flame retardant, 1.5-3% of a synergistic flame retardant, 6-11% of melamine cyanurate, 2-6% of a phosphorus environment-friendly flame retardant, 0.3-3% of a glowing filament synergist, 0.2-1% of an antioxidant, 0.2-1% of a lubricant and 15-35% of glass fibers. According to the novel environment-friendly flame-retardant reinforced high glowing filament PBT material and the preparation method thereof, the PBT material is high in mechanical property and good in fireproof performance, can meet the market requirement that glowing filaments at 750 DEG C and higher grade at 850 DEG C are not ignited in the whole process, meets the latest environment-friendly control requirement on the market, and is wide in market application prospect.

The invention discloses an ablation-resistant long-fiber reinforced nylon material for a battery pack, and relates to the technical field of nylon materials, the ablation-resistant long-fiber reinforced nylon material comprises the following raw material components by weight: 60-80 parts of nylon resin powder, 30-50 parts of a long-fiber reinforced material, 10-18 parts of aluminum diethylhypophosphite master batch, 8-15 parts of bromine-antimony composite master batch, 3-7 parts of montmorillonite, 12-20 parts of aluminum hydroxide, and 2-6 parts of nano-silica. The composite material is prepared from the following components in parts by weight: 1-4 parts of carbon nanotubes, 0.5-1.2 parts of an antioxidant I, 0.3-0.8 part of a lubricant I, 2-5 parts of a compatilizer, 0.1-0.4 part of a nucleating agent and 0.2-0.6 part of an anti-ultraviolet agent. By adding the diethyl aluminum hypophosphite master batch, the flame retardant property of the nylon material is improved, the processability of the nylon material is improved, the ablation resistance of the nylon material is improved, and the problems of insufficient flame retardant property, poor processability and poor ablation resistance of the nylon material can be solved.

The invention relates to the field of building materials, and particularly discloses a fireproof plate and a preparation method thereof. The fireproof board comprises a base material, reinforcing layers wrapping the two sides of the base material and fireproof coatings coating the outer surfaces of the two sides of the board, the base material comprises wood flour, silicate compounds and phenolic resin adhesives, the two sides of the base material are wrapped with glass fiber mesh cloth to serve as the reinforcing layers, and the surfaces of the base material are coated with the fireproof coatings; the fireproof coating is prepared from the following raw materials in parts by weight: 20 to 30 parts of hollow glass beads, 10 to 15 parts of ammonium polyphosphate, 5 to 10 parts of nano metal oxide, 10 to 15 parts of magnesia, 5 to 10 parts of tetraethoxysilane, 15 to 30 parts of epoxy resin and 30 to 40 parts of water. The composition disclosed by the invention has the advantages of fire prevention and high temperature resistance.

The invention discloses a wear-resistant flame-retardant fireproof cable and a preparation method thereof, and relates to the technical field of fireproof cables, the wear-resistant flame-retardant fireproof cable comprises six wire cores, each wire core is composed of a copper stranded wire and a cross-linked polyethylene pipe, the outer surface of each wire core is fixedly connected with a special-shaped plastic pipe, and the outer surface of each special-shaped plastic pipe is fixedly connected with a cable core. The outer surface of the special-shaped plastic tube is fixedly connected with an inner sliding strip, and the outer surface of the inner sliding strip is fixedly connected with a heat shrink tube. According to the wear-resistant flame-retardant fireproof cable and the preparation method thereof, the supporting mechanism is used for guiding gas in the ventilation pipes into the gas flow channel, the number of the ventilation pipes is two, so that guiding-in and guiding-out of cooling gas in the heat shrink tube are controlled, the telescopic pipe is arranged on the outer surface of the sealing mechanism in a sleeving mode, and when the cable is dragged and laid on the ground, the cable is not prone to falling off. The telescopic pipe effectively protects the ventilation pipe and the sealing mechanism, and the problem of how to avoid cable combustion in a cooling mode so as to reduce loss is solved.

The invention provides a preparation method of a quick-freeze-drying low-cost calcium silicate aerogel, which takes cheap inorganic calcium salt and inorganic silicon source as raw materials, and provides a preparation method of the calcium silicate aerogel, which comprises the following steps: forming calcium-silicon hydrolysate, introducing a coagulant, gelling and freezing, freeze-drying, carrying out heat treatment and the like, thereby obtaining the quick-freeze-drying low-cost calcium silicate aerogel. The calcium silicate aerogel material with three-dimensional nanopores, low density, temperature resistance, fire prevention and excellent thermal stability is prepared. The temperature-resistant and fireproof calcium silicate aerogel is prepared by taking low-cost inorganic calcium and an inorganic silicon source as raw material parts through quick freeze drying, and has important significance on industrial cost reduction and efficiency improvement.

The utility model discloses a high-low voltage power distribution cabinet with a fireproof function, which relates to the technical field of power distribution cabinets and comprises a cabinet body, a fireproof mechanism is fixedly mounted at the top of the cabinet body, an alarm mechanism is fixedly mounted at the top in the cabinet body, a mounting seat is fixedly mounted at the lower end in the cabinet body, and a cabinet door is hinged to the front surface of the cabinet body. With the adoption of the structure, the device is provided with the fireproof mechanism, the fire extinguishing agent tank can be conveniently mounted, and the fire extinguishing agent tank is communicated with the conveying pipe frame after the fire extinguishing agent tank, the connecting hose and the valve are fixed through the hand-twisted screw rod; the fire extinguishing agent tank can be quickly disassembled by loosening the sealing screw cap, maintenance and replacement are convenient, the device adopts a physical fusing trigger structure, automatic fire extinguishing is achieved, extra detection is not needed, the stable fire extinguishing performance is achieved, operation is convenient, and the device is suitable for various fire fighting scenes.

The invention discloses a low-smoke-density high-temperature-resistant halogen-free special flame-retardant optical cable, which comprises a cable core, an inner sheath and a fireproof layer from inside to outside, and is characterized in that the fireproof layer comprises a fireproof layer made of a ceramic silicone rubber material; the cable core comprises optical fibers, a loose tube, a reinforcing piece and an internal flame-retardant thermal insulation layer, the reinforcing piece is located in the center of the cable core, the optical fibers are arranged in the loose tube to form an optical fiber unit and surround the reinforcing piece, the internal flame-retardant thermal insulation layer comprises water-blocking yarn and a calcined mica tape, and the space between the optical fiber unit and the reinforcing piece is filled with the water-blocking yarn. And the optical fiber units, the reinforcers and the water-blocking yarns are wound by the calcined mica tape in a multi-layer and multi-pitch manner. According to the invention, the ceramic silicone rubber material is adopted and is ceramized in a flame state or at a high temperature of more than 500 DEG C to form an oxygen barrier layer, so that a flashover phenomenon in the cable is prevented; ointment is removed from the structure, and the water-blocking yarn and the calcined mica tape are used for blocking water, so that smoke in the combustion process is reduced, and the harm to personnel is less under the condition of fire hazard.

The invention relates to the technical field of power equipment safety prevention and control, and discloses an intelligent fire prevention control method for a flame-retardant material of a power transmission and distribution complete switch, which comprises a DMC flame-retardant material dynamic performance data acquisition step, a DMC flame-retardant material parameter optimization step, a DMC flame-retardant material dynamic feedback regulation and control step and a closed-loop control step. Through combined monitoring of multi-dimensional parameters such as pyrolysis rate # imgabs0 #, carbonization layer thickness # imgabs1 # and environment adaptive variable # imgabs2 #, comprehensive dynamic perception of the performance of the DMC flame-retardant material is realized, accurate evaluation of fire risk is completed through an optimization formula # imgabs3 #, error deviation at the previous moment is fed back in real time through a dynamic correction value # imgabs4 #, a closed-loop regulation and control mechanism is formed, and the flame-retardant performance of the DMC flame-retardant material is improved. And the fire risk assessment precision and the response speed are obviously improved.

The invention relates to the technical field of fireproof plate preparation, in particular to a novel light fireproof plate and a preparation method thereof.The method comprises the steps that PVC, phenolic resin, bisphenol F glycidyl ether epoxy resin, polyamide and a foaming agent are mixed and stirred, then a plasticizer, a flame retardant and a foaming regulator are added, stirring continues to be conducted, and foaming treatment is conducted; in the foaming process, the foaming temperature difference of each measurement position is analyzed, the environment temperature of PVC foaming is intelligently controlled in combination with a PID controller, and a foam base material is obtained after foaming treatment; the method comprises the following steps: sanding and dedusting a foam base material, coating resin on the surface of the foam base material, then coating a fireproof layer to obtain an intermediate product, stacking and cold-pressing multiple layers of intermediate products, naturally curing to form a semi-finished product, cutting off redundant parts on the edge, and removing burrs to obtain the PVC foaming light fireproof plate. The problem of uneven foaming in the foaming process of fireproof plate preparation can be avoided, and the preparation quality of the fireproof plate is improved.

The invention discloses a glass fiber reinforced halogen-free flame-retardant high glowing filament PBT (polybutylene terephthalate) modified material and a preparation method thereof, and the glass fiber reinforced halogen-free flame-retardant high glowing filament PBT modified material comprises the following components in parts by weight: 28.5-44.5 parts of PBT resin, 0-10 parts of PET (polyethylene terephthalate) resin, 18-25 parts of a compound of organic hypophosphite and inorganic hypophosphite, 5-14 parts of a glowing filament synergist and 1-5 parts of a modified toughening agent, the invention relates to the technical field of high polymer materials, in particular to a high polymer material which comprises the following components in parts by weight: 0.1-0.5 part of an anti-transesterification agent, 0.2-1 part of an antioxidant, 0.2-1 part of a lubricant and 15-30 parts of glass fibers. The glowing filament has high mechanical properties and good fireproof performance, can meet the market demand that the glowing filament at 750 DEG C is not ignited in the whole process, meets the latest environment-friendly control requirement on the market, and has wide market application prospects.

The utility model discloses a pipeline ball valve which comprises a pipeline ball valve shell, a pipeline ball valve rod is arranged in the pipeline ball valve shell, a ball valve ball body is connected to the inner wall of the pipeline ball valve shell in a sliding mode, the outer surface of the ball valve ball body is fixedly connected with the bottom end of the pipeline ball valve rod, and a through hole is formed in the upper surface of the pipeline ball valve shell. A through hole is formed in the top end of the pipeline ball valve rod and extends to the position above the through hole, the inner wall of the through hole is in threaded connection with a sealing cover, two O-shaped sealing rings are arranged on the inner ring of the sealing cover, the inner rings of the two O-shaped sealing rings make close contact with the outer surface of the pipeline ball valve rod, a metal sealing ring is arranged in the pipeline ball valve shell, and the metal sealing ring is in threaded connection with the inner wall of the pipeline ball valve rod. A soft sealing ring is arranged in the pipeline ball valve shell, and a fireproof ring is fixedly connected to the outer surface of the metal sealing ring. The pipeline ball valve is provided with a multi-sealing structure, the fireproof effect is improved, the sealing performance inside and outside the pipeline ball valve is guaranteed, and potential safety hazards in practical application are reduced.

The automatic door device comprises an OHT system rail, the OHT crown block, a door frame fixing mechanism and a door plate moving mechanism, the door frame fixing mechanism comprises a door frame, a linear guide rail and a driving mechanism, the door frame is fixed to a door opening where the crown block penetrates, the linear guide rail and the driving mechanism are both arranged on the door frame, and the door plate moving mechanism is arranged on the door frame. The door plank movement mechanism comprises a door plank and a baffle, the door plank is arranged on the linear guide rail and can move horizontally in the direction close to or away from the door opening along the linear guide rail under the action of the driving mechanism, and the baffle is installed on the door plank to form a whole with the door plank. The OHT system track is provided with an interruption gap used for allowing the door plate and the baffle to be inserted therein. The linear guide rail is obliquely arranged on the door frame and forms a certain angle with the door opening, the baffle is parallel to the linear guide rail, and the door plate is parallel to the door opening. Reliable sealing between the door plate and the door frame can be ensured, and the smoke-proof and fire-proof functions are achieved.

The utility model relates to the technical field of PVC (polyvinyl chloride) foam boards, in particular to a fireproof PVC foam board. The waterproof, damp-proof and fireproof PVC foam board has the waterproof, damp-proof and fireproof functions, the service life of the PVC foam board is prolonged, and the waterproof and fireproof effects of the PVC foam board are improved. The PVC foam board comprises a PVC foam board body, a fixing layer, a fireproof layer and the like. Fixing layers are arranged on the two sides of the PVC foaming plate, and fireproof layers are arranged on the sides, away from each other, of the two fixing layers. According to the utility model, dehumidification is carried out through the plurality of dehumidification holes in the two fixing layers, so that the foam board is relatively dry in use, the foam board has relatively good waterproof and moisture-proof functions through the two waterproof layers, and meanwhile, the foam board has a relatively good fireproof effect through the two fireproof layers, so that the service life of the foam board is prolonged; the waterproof and fireproof effects of the PVC foam board are improved.

The invention relates to a fireproof composite material deck which is composed of a foam sandwich and composite material skin layers arranged on the upper side and the lower side of the foam sandwich. The composite material skin layer comprises a fiber pouring layer and a hand lay-up layer. In implementation, the mode that the hand lay-up layer and the pouring layer are combined is adopted on the upper portion and the lower portion of the foam sandwich respectively, so that the upper surface and the lower surface of the composite material deck are both provided with efficient flame-retardant filler, the oxygen index of the composite material deck is larger than or equal to 36, and if the oxygen index is generally larger than or equal to 32, the composite material deck belongs to a flame-retardant material; and meanwhile, the ratio of the accelerant in the hand lay-up layer is relatively low, so that the pre-curing of the resin in the hand lay-up layer in the laying and pouring molding process can be effectively prevented, and the product quality is improved.

The invention relates to the technical field of fireproof glass, in particular to a nano composite material coating and a preparation method for applying the nano composite material coating to a surface film layer of an initial substrate for single-piece non-heat-insulation fireproof glass. The nano composite material coating is prepared from the following raw materials in parts by weight: 50-80 parts of nano composite oxide, 10-15 parts of a toughening material, 15-30 parts of molten glass and 1-5 parts of a fluxing agent; the preparation method comprises the following steps: S1, by taking a fluxing agent as a medium, mixing a nano composite oxide and a toughening material, grinding for 1-2 hours, adding a glass melt into the mixture, continuously grinding for 2-3 hours, heating to 180-220 DEG C, carrying out heat treatment, and removing the fluxing agent, so as to obtain a nano composite material; and S2, depositing on the surface of the glass substrate by adopting a physical vapor deposition method or a chemical vapor deposition method to form the nano composite material coating. According to the nano composite material coating prepared by the method, the toughness and the impact strength of the glass are improved, the fire-resistant integrity time of the glass is prolonged, and meanwhile, the light transmittance and the ultraviolet radiation resistance of the glass are better.

The invention relates to a sound-proof and fireproof integrated assembly type partition wall keel which comprises decorative plates, fireproof and sound-proof rock wool plates and damping cores, every two adjacent decorative plates are connected through a connecting piece, transverse keels are installed on the inner sides of the decorative plates in the horizontal direction, and vertical keels are installed on the inner sides of the decorative plates in the vertical direction. The two fireproof sound insulation rock wool boards are installed in an inner cavity formed between the transverse keels and the vertical keels, the sound insulation boards are installed between the two fireproof sound insulation rock wool boards, the damping core is installed between the front vertical keel and the rear vertical keel, and the damping core tensions the front vertical keel and the rear vertical keel and further tensions the left sound insulation board and the right sound insulation board. According to the decorative wallboard, all the components are tensioned or pressed through the damping core, the components can be integrally assembled together, and the sound insulation and noise reduction performance of a product is greatly improved.

Provided is a bedding which has good biodegradability, in which the generation of harmful substances due to burning is suppressed, and which has excellent environmental characteristics. A bedding (1) is provided with a base fabric (11) formed by extending in the planar direction, and a pile material (12) provided on the base fabric (11) so as to cover the surface (11a) side of the base fabric (11). The pile material (12) includes piles (121) formed of pulp, and the piles (121) are planted at a density that restricts the inflow of air into the pile material (12).

The invention relates to a regulation and control method and system for mine fireproof doors, a terminal and a medium, and belongs to the technical field of mine fireproofing. The regulation and control method comprises the steps that sensing data sent by sensors around each fireproof door are received; according to the multiple sets of sensing data, whether a fire occurs in the mine or not is judged; if yes, determining a target fireproof door according to the fire spreading area; acquiring personnel position information of workers around the target fireproof door; based on the personnel position information, whether a worker is on a fire spreading path and is located between the target fireproof door and a fire spreading boundary is judged; if yes, the closing degree of the target fireproof door is controlled according to the spreading speed of the fire; if not, the closing degree of the target fireproof door is controlled according to the fire behavior of the fire. The intelligent monitoring management system has the beneficial effect that intelligent monitoring management of the fireproof door can be conveniently realized according to the field environment.

The invention relates to the technical field of inorganic fiber spraying materials, in particular to a biodegradable inorganic fiber spraying thermal insulation material and a preparation method and spraying method thereof, spraying equipment and a ship component. The biodegradable inorganic fiber spraying thermal insulation material comprises a component A, a component B and a component C, the component A comprises the following components in parts by weight: 8-12 parts of polyvinyl alcohol, 0.5-1 part of a silane coupling agent, 0.1-0.3 part of a mildew preventive and 80-90 parts of water; the component B comprises the following components in parts by weight: 5-15 parts of sodium borate, 5-15 parts of glycerol and 70-90 parts of water; the component C comprises bio-soluble refractory fibers. The biodegradable inorganic fiber spraying thermal insulation material provided by the invention has the characteristics of reducing construction procedures and reducing the influence on human health, and a refractory fiber thermal insulation layer formed by the biodegradable inorganic fiber spraying thermal insulation material has excellent fireproof performance and can meet the requirements of A-level fireproof separation in the third part of the international fire resistance test program application rules in 2010 published by the International Maritime Organization.

The invention discloses a fireproof flame-retardant cable and a preparation method thereof, and relates to the technical field of cables. A modified expanded perlite composite material is combined with 4, 5-dihydroxy-2-hexenoic acid and boric acid, boron doping is achieved, a nitrogen-boron synergistic flame-retardant system is formed, then pre-crosslinking with butadiene rubber and double-bond-containing allyl modified phenolic resin is carried out through double bonds, the mechanical property of the cable is optimized, in addition, due to construction of the pre-crosslinking system, the flame-retardant performance of the cable is improved, and the service life of the cable is prolonged. The boron-doped composite material, the allyl modified phenolic resin and other substances with the flame-retardant effect are inserted into the three-dimensional network cross-linked structure in a penetrating manner, so that the flame-retardant stability and dispersion stability of the material are improved, the compactness of the flame-retardant fireproof outer sleeve layer is further improved, the flame-retardant fireproof outer sleeve layer has good mechanical properties and fire retardance and is not prone to cracking, and meanwhile, the flame-retardant fireproof outer sleeve layer has the good flame-retardant effect. The modified expanded perlite composite material forms a heat insulation network by means of a pre-crosslinking structure, so that the prepared sheath mixture has excellent heat insulation and heat resistance, and the fireproof performance of the cable is improved.

The invention provides a preparation method of high-temperature-resistant polyacrylonitrile-based carbon fiber and application of the high-temperature-resistant polyacrylonitrile-based carbon fiber in fireproof fabric. 2-acrylamido-2-methylpropanesulfonic acid is added, so that the limit oxygen index of the pre-oxidized fiber is increased, and the fireproof performance is enhanced; the coalescence rate of the pre-oxidized fibers is reduced by dipping perfluorolaurinol polyoxyethylene ether and spraying carbon powder; by spraying the basic aluminum chloride, the crimp number of the pre-oxidized fiber is increased, and the flexibility is improved; hydrogen bromide is added into oxygen, so that the oxidation rate and the limit oxygen index are improved; a pre-oxidation reaction is carried out in a radiation heating mode, and formation of a skin-core structure is inhibited; tar-shaped impurities deposited on the surfaces of the pre-oxidized fibers are removed under the action of ultrasonic waves, so that the quality of the carbon fibers is improved; the pre-oxidized fibers are treated through beta-anthraquinone sodium sulfonate, oxygen absorbed by the pre-oxidized fibers is removed, and the tensile strength of the carbon fibers is improved; therefore, the high-temperature-resistant and high-strength carbon fiber is prepared and is applied to a fireproof fabric.

The utility model discloses a fireproof solar cell panel, which comprises three groups of supporting legs and cross beam rods, the supporting legs are arranged at equal intervals, the cross beam rods are arranged at the top ends of the supporting legs, cross arms are arranged on the outer walls of the two sides of the cross beam rods, and a plurality of groups of photovoltaic panels are arranged between the two groups of cross arms at equal intervals. And photovoltaic frames are installed at the bottom ends of the photovoltaic panels, movable shafts are arranged at the two ends of each photovoltaic frame, and the movable shafts are movably connected with the cross arm. According to the utility model, excellent fireproof performance of the fireproof solar cell panel is realized, the solar cell panel can conveniently rotate at a high temperature to avoid direct sunlight, self-rotation for high-temperature protection is facilitated, and the fireproof performance of the solar cell panel is improved; and angle adjusting type air blowing heat dissipation can be conveniently carried out on a plurality of groups of solar cell panels, and the ventilation heat dissipation effect of the solar cell panels is improved.

The present invention relates to a fireproof, antistatic and high-pressure resistant ball valve and a working method thereof applied in the field of ball valve technology, comprising a valve body, a valve core, a sealing base, a sealing sleeve, a valve stem, a core inner body, a heat exchange tube, a plug hole, a heat-conducting sleeve and a conductive column button. The present invention realizes heat transfer and heat dissipation of the fluid medium to the valve stem through heat conduction between the fluid medium flowing inside the ball valve and the core inner body, and then realizes heat transfer and heat dissipation of the fluid medium to the valve stem through the heat exchange tube, so as to prevent the external fire of the ball valve from affecting the sealing effect of the sealing sleeve inside the valve cover, thereby effectively improving the fireproof effect of the ball valve. At the same time, the heat-conducting sleeve fills the space between the heat exchange tube and the plug hole, and utilizes the elasticity of the heat-conducting sleeve to compress the two ends of the conductive column button to contact the inner wall of the plug hole and the outer wall of the heat exchange tube respectively, thereby forming an electrostatic conduction path, and realizing that the static electricity accumulated in the valve core is discharged through the valve stem, thereby effectively improving the anti-static ability of the ball valve and facilitating the long-term operation of the ball valve.

The invention relates to the technical field of mica coiled material production equipment, in particular to a wrinkle-free super-thick mica coiled material and an integrated production system thereof. The integrated production system for the wrinkle-free ultra-thick mica coiled material comprises a mica paper unwinding roller, a guide roller group, a rolling composite roller group, a mica slurry mixing kettle, a first drying oven, a first hot-pressing roller group, a reinforced screen cloth unwinding roller, a second drying oven, a second hot-pressing roller group, a mica composite coiled material storage assembly, a laser cutting assembly and a finished mica composite coiled material storage roller. The mica slurry mixing kettle inputs mica slurry into the rolling composite roller set, and the mica slurry is hot-pressed and cured on the surface of the phlogopite paper to form a mica slurry curing layer; and a reinforced screen cloth layer unwound by the reinforced screen cloth unwinding roller is input into the first hot-pressing roller group and is subjected to hot-pressing compounding with the phlogopite paper of which the surface is subjected to hot-pressing compounding with the mica slurry curing layer. According to the production line, the wrinkle-free super-thick mica coiled material can be integrally and efficiently produced, and the quality and the production efficiency of the super-thick mica coiled material can be improved.

The method of manufacturing the fireproof mat of the present invention includes a step of mixing silicone and aerogel to form a silicone-aerogel composite, wherein the content of the aerogel is 0.5 wt% to 40 wt% relative to the total mixing amount of the silicone-aerogel composite.

The utility model discloses a fireproof cable bridge, which relates to the field of cable bridges and comprises a shell, two ends of the shell are in threaded connection with cover plates through fixing components, the inner side wall of the shell is fixedly connected with two fireproof components, and the fireproof components are arranged in the shell. The upper surface of one fireproof assembly is fixedly connected with a clamping assembly, the fixing assembly comprises a fixing piece, the surface of the fixing piece is in threaded connection to one side of the cover plate through a bolt, the outer surface of the bolt is fixedly connected with a connecting piece, and the surface of the connecting piece is fixedly connected with a spring A. The fireproof assembly comprises a clamping block. One side of the clamping block is fixedly connected to the inner side wall of the shell. According to the utility model, through the arrangement of the fixing assembly, when the cable bridge is fixed, the traditional connection mode is mostly welding, the connection mode is inconvenient to disassemble when the cable bridge needs to be disassembled, the fixing assembly can be convenient to disassemble, and the firmness can be enhanced and the looseness can be avoided when the cable bridge is fixed.