56results about How to "Play fire resistance" patented technology

The invention belongs to the technical field of grain storage, and in particular relates to an underground bionic honeycomb granary and a grain storage method. The granary is designed through the reference and absorption of the original ecological honeycomb structure principle and comprises a granary body positioned below the ground surface, wherein the granary body consists of a plurality of rows of honeycomb silos among which gaps are formed in the transverse direction; each row of honeycomb silo comprises a plurality of silos which are tightly arranged along the longitudinal direction in turn; a silo upper opening is formed at the upper end of each silo and is provided with a closed cover; each silo comprises a reinforced concrete layer or a brick-concrete masonry layer; a polyethylenefilm layer is arranged in each silo; a spodosol layer is backfilled in an outer wall gap of each silo; and soil or sandstone or a soil and sandstone mixed material is backfilled among the spodosol layers. Grain is stored in the polyethylene film layers and isolated from outside, so that four ecological factors such as moisture, temperature, oxygen and light rays which can cause the deterioration of the stored grain are inhibited from the source, the stored grain is free from insects, mildew, rat damage, fires, floods and earthquakes, and the shelf life of the stored grain is prolonged by morethan one time.

The invention discloses an armored door, comprising a door leaf and a door frame, wherein, the door leaf is composed of a door core made of steel, a front decorative plate and a rear decorative plate, wherein, the door core, the front decorative plate and the rear decorative plate are inserted into a sealed groove to be jammed; the bottom of the door leaf is provided with an omega shaped bayonet which jams the door core, the front decorative plate and the rear decorative plate; and the door leaf and the door frame adopt a double square rule to match. The armored door provided by the invention has the beneficial effects of good anti-theft effect, beauty, capability of replacing the front decorative plate and the rear decorative plate at any time and convenient installation; the door leaf and the door frame adopt a double square rule structure, and join tightly without seams; and the sound insulation and sealing effects are two times than those of the common flat opening doors.

The invention relates to a preparation method of a lightweight self-thermal insulation building block containing abandoned brick particles and abandoned foams. The preparation method comprises the following steps: crushing abandoned materials, preparing a cavity module, and preparing and maintaining a precursor. According to the preparation method of the self-thermal insulation building block, the subsidence problem caused by too high water absorption of the cavity module when the cavity module is dried and then is subjected to internal casting is avoided, and the problem that single brick aggregate is poor in strength after building wastes are regenerated in the prior art is effectively solved. The preparation method disclosed by the invention has the advantages of high volume stability, simple preparation process, low requirement to equipment, low production cost, no discharge of wastewater and waste gas, capability of effectively and comprehensively utilizing the building waste, energy conservation and environmental friendliness.

The invention discloses a high-flame-retardance fireproof cable made of inorganic materials. The high-flame-retardance fireproof cable comprises a plurality of wire cables, a fire-resistant layer made of inorganic materials and a flame-retardant jacket. The fire-resistant layer made of the inorganic materials is extruded on the wire cables; the flame-retardant jacket is sleeved on the fire-resistant layer made of the inorganic materials; each wire cable consists of a copper conductor and a vitrified silicon rubber insulating layer extruded on the copper conductor; and a filling layer is filled in the fire-resistant layer made of the inorganic materials. The high-flame-retardance fireproof cable is characterized in that the fire-resistant layer made of the inorganic materials comprises, by weight, 85% of magnesium hydroxide, 6% of serpentine powder, 4% of magnesium calcium carbonate, 3% of sodium silicate and 2% of chlorinated paraffin which are squeezed to form the fire-resistant layer made of the inorganic materials. The insulating layer is made of vitrified silicon rubber, and because the insulating layer has high fire resistance and the vitrified silicon rubber is vitrified at a high temperature, the insulating performance of the cable is guaranteed during spontaneous combustion of the cable and external fire disasters. Besides, as the fire-resistant layer made of the inorganic materials is totally made of the inorganic materials by cold stirring and extruding, the materials cannot be combusted during the fire disasters, and flame-retardant and fireproofing effects can be achieved effectively.

The invention discloses a protector of an assembled transformer with a remote pre-warning monitoring function. The protector of the assembled transformer with the remote pre-warning monitoring function comprises a mechanical part and a control part. The mechanical part comprises a connection bottom plate and a connection top plate. The back part and two sides between the connection bottom plate and the connection top plate are respectively provided with connection standing plates. The control part comprises a main control panel, a power module, a wireless receiving-transmitting module, a storage chip and a GPS positioning module which are installed in a control device. The main control panel is respectively connected with the power module, a induced draft fan, an access controller, a fingerprint identifier, a display screen, a photosensitive sensor, an acousto-optic controller, a camera, the wireless receiving-transmitting module, the storage chip, the GPS positioning module, an information reading module, a temperature sensor, a humidity sensor, a fire smoke sensor and a dust sensor. The protector of the assembled transformer with the remote pre-warning monitoring function has the advantages of simple structure, rational design and convenient use, is capable of treating the dusts and insulating the noise in time, and preventing the effect of the transformer caused by the excessive low temperature or rainwater soaking.

The invention provides an indoor-temperature curing flame-retardant silicone sealant which comprises, by weight, 65-85 parts of hydroxyl-terminated polydimethylsiloxane, 15-25 parts of plasticizers, 30-50 parts of fillers, 2-8 parts of organic silicon cross-linking agents, 1-10 parts of coupling agents, 4-8 parts of flame retardants and 2-8 parts of catalysts. The flame retardants are mainly prepared from nano-scale magnesia-aluminum hydrotalcite and polyaspartic acid in a modified manner. The indoor-temperature curing flame-retardant silicone sealant has good flame resistance and excellent adhesive properties.

The invention discloses a building energy-saving thermal insulation material, which is characterized being prepared from the following raw materials by weight: 15-25 parts of cement, 15-20 parts of blast furnace water granulated slag, 35-40 parts of volcanic ash, 5-8 parts of surface function modified porous hollow aluminum oxide nanofibers, 2-4 parts of rare earth fluoride hollow nano ions, 3-6 parts of Lambda-cyhalothric acid modified aminated beta-cyclodextrin and 1-3 parts of a coupling agent. The invention also discloses a preparation method of the building energy-saving thermal insulation material. The building energy-saving thermal insulation material disclosed by the invention is excellent in comprehensive performance, strong in thermal insulation property, good in aging resistance, weather resistance and flame retardance, excellent in performance stability and mechanical property, green and environment-friendly in use, high in durability, weather resistance, corrosion resistance, freeze thawing resistance and reliability, and wide in application range.

The invention provides multilayer compound geomembrane used for soil remediation. The multilayer compound geomembrane used for soil remediation comprises a weather-resistant layer, a compound anti-corrosion and impervious layer and a weather-resistant layer from top to bottom in sequence; the weather-resistant layers and the compound anti-corrosion and impervious layer bond through a bonding agentseparately; the weather-resistant layers are produced from one of teflon and polyvinylidene fluoride; and the compound anti-corrosion and impervious layer is formed by making glycidyl methacrylate-grafted high-density polyethylene and a polymer, which is formed by conducting condensation polymerization on 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane and thiazolidine-2,4-dicarboxylic acid, subjected to blending and grafting, and then doped with surface-modification crystalline flake graphite. The invention furthermore discloses a production method of the multilayer compound geomembrane used for soil remediation. The multilayer compound geomembrane used for soil remediation has the advantages of excellent weather resistance, corrosion resistance, flame retardancy and impervious performance, and a longer service life.

The invention relates to a preparing method for fire-resistant glass fiber - aluminum alloy hybrid laminates. The hybrid laminates consist of fireproof film, glass fiber prepreg layer and aluminum alloy plate. The preparing comprises the following steps: coating a fireproof film, paving and curing molding. The fire retardant coating native resin is coated into a continuous fireproof film, and the fireproof film is led to the area between the glass fiber prepreg and the surface aluminum alloy plate. The thickness of the fire protection layer is 0.2 mm - 0.3 mm, with characteristics of fire resistance, which can effectively isolate the fire and heat shocks after fire. It can be used for aviation aircraft cabin cabinets, car fuel tank cover and other parts prone to fire.

The invention discloses a flame-retardant ceramic silicone rubber for safety cables. The flame-retardant ceramic silicone rubber is prepared from, by weight, 100 parts of methyl vinyl polysiloxane, 30-60 parts of fumed silica, 1-5 parts of hydroxy silicone oil, 0.1-1 part of dimethyldiethoxysilane, 1-5 parts of polyvinyl hydroxy silicone oil, 0.5-5 parts of a heat conduction filler, 30-80 parts ofceramifying powder, 1-5 parts of titanium dioxide, 0.5-5 parts of a special mold release agent, 1-10 parts of vinyltriethoxysilane, 1-5 parts of alumina and 0.001-0.1 part of platinum. The inventionalso discloses a preparation method of the flame-retardant ceramic silicone rubber for safety cables. The ceramic silicone rubber has good mechanical properties, and can be sintered to form a hard ceramic body when ablated by an open fire in order to isolate flame and prevent fire, so the normal operation of a line under a fire condition is ensured, short circuit and other secondary disasters arenot prone to occur, and the normal operation of electricity and communication is ensured.

The invention discloses a mixed type porous heat insulation composite material and a preparation method thereof. The heat insulation composite material comprises the following components in percentage by weight: 2-20% of air carrier and 80-98% of liquid silicone rubber. The preparation method comprises the following steps of: firstly washing the air carrier with dilute hydrochloric acid, washing with water, and then drying at 130-150 DEG C for 1-2h; further soaking the dried air carrier in a coupling agent, namely an anhydrous ethanol solution, performing ultrasonic treatment, and drying; and uniformly mixing the air carrier after drying with the liquid silicone rubber, injecting into a mold, performing vacuum-pumping operation for removing bubbles, and then curing and forming. The mixed type porous heat insulation composite material which is prepared after mixing and curing the air carrier with good heat insulation performance and a hollow structure and the liquid silicone rubber has the advantages of low heat conduction coefficient, high strength, good heat stability and impact resistance, and can realize the purposes of heat insulation, insulation and fire prevention; and the preparation method has the advantages of simple process, small using quantity of a solvent and low cost of raw materials, and is suitable for large-scale production.

The invention discloses a composite building outer wall material, a construction process thereof and application thereof. The composite building outer wall material comprises foam concrete and a fluorocarbon coating sprayed on a soil layer of the foam concrete. The composite building outer wall material has a wide application range, overcomes the shortcoming that the foam concrete cannot be immersed in water for a long time, unites thermal insulation, waterproofness, corrosion resistance, fireproofness and decoration in a roof or a wall body and strengthens the function of a building project. The preparation process is simple, suitable for project building construction and wide in application range.

The invention provides a low-floating-fiber high-flame-retardancy PBT (polybutylene terephthalate) material which is characterized by comprising the following raw materials in parts by weight: 40-60 parts of PBT resin, 10-20 parts of flame retardant A, 5-10 parts of flame retardant B, 0.1-0.3 part of flame retardant C, 20-30 parts of glass fiber, 3-10 parts of toughener, 0.1-0.3 part of coupling agent, 0.5-1 part of anti-glass fiber exposure agent, 0.2-0.5 part of lubricant and 0.1-0.5 part of antioxidant. The invention also provides a preparation method of the low-floating-fiber high-flame-retardancy PBT material. The low-floating-fiber high-flame-retardancy PBT material has the characteristics of low floating fibers, high flame retardancy and no halogenation. In addition, the low-floating-fiber high-flame-retardancy PBT material has the advantages of lower cost and higher cost performance. The production technique is simple in process and easy to implement, can not cause environmental pollution, and has low hazards to human health.

The invention discloses a construction method of a fireproof and antiseptic wood grain coating layer of an exposed part of a steel structure. The construction method comprises the following steps: (1) the exposed part of the steel structure is derusted; (2) water-based steel structure antiseptic paint is sprayed; (3) heavy fireproof paint is sprayed by a thickness to 1-3 mm; during spraying, a manual iron plate is used for leveling; and the polishing is performed after the water-based steel structure fireproof paint is dried thoroughly; (4) anti-crack mortar is coated for polishing; (5) exterior wall white glaze putty is coated for polishing; (6) primer with the same color with wood grains is brushed; (7) a color aggregate for shaping the wood grains is brushed on the surface of the primer with the same color with the wood grains; (8) water-based wood grain paint is brushed on the surface of the color aggregate; (9) the water-based wood grain paint is used for coloring the water-based wood grain paint coating layer; and (10) water-based fluorine carbon varnish is used for covering. The construction method enables a steel structure to achieve the same effect with logs and square timbers, so that the steel structure achieves the fireproof and antiseptic wood grain decoration two-in-one effect.

The invention provides a top-mounted gas storage metal hard sealing ball valve capable of being maintained online. The top-mounted gas storage metal hard sealing ball valve comprises a valve body, a ball body, a valve rod and a valve seat; a first low plane, a first step and a second low plane are sequentially arranged on the outer side face of the valve seat; a moving space used for containing a spring seat is formed between the outer side face of the valve seat and the valve body; the spring seat comprises an extending section and a moving section; the length of the extending section is larger than that of the first step; a first spring is arranged in the face, making contact with the first step, of the moving section; a spring pressing plate is fixed to the end of the extending section; a limiting part is fixed to the inner side face of the valve body; the outer side face of the spring seat comprises a third low plane and a second step; the limiting part is located on the third low plane; the spring seat slides towards the ball body; and the limiting part abuts against the second step. The ball valve is in a top-mounted type, the sealing performance is stable and reliable, fire prevention and static prevention are achieved, the total torque of the valve is small, a second spring energy storage sealing ring and a first spring energy storage sealing ring are arranged so that bidirectional sealing can be achieved, and downstream inspection and maintenance are facilitated.

The invention discloses a petroleum pipeline. The petroleum pipeline comprises a pipeline body, a sound insulation layer arranged on the outer side of the pipeline body and a fireproof outer layer arranged on the outer side of the sound insulation layer. A plurality of trapezoidal reinforcing convex ribs are evenly arranged on the outer side of the pipeline body. Clamping blocks are arranged on the two sides of the end, stretching into the sound insulation layer, of each trapezoidal reinforcing convex rib correspondingly. Clamping grooves matched with the clamping blocks are formed in the sound insulation layer. A heat preservation cavity is formed between every two adjacent trapezoidal reinforcing convex ribs and filled with heat preservation rock wool. A plurality of S-shaped convex edges are evenly arranged on the inner wall of the pipeline body at equal distance. A plurality of ball grooves are evenly formed in each S-shaped convex edge. A ball is arranged in each ball groove in a rolling manner. Lubrication channels are arranged at the positions, on the two sides of each ball groove, in each S-shaped convex edge, and one end of each lubrication channel communicates with the corresponding ball groove.

The invention discloses an expansion backfill prepared from salt gypsum as a raw material. The expansion backfill prepared from the salt gypsum as the raw material comprises the following components:salt gypsum, an excitant, a foaming gent and water. The salt gypsum is transformed into dihydrate gypsum by the excitant, and the addition amount of the excitant is 2-12% of the weight of the salt gypsum; the addition amount of the foaming agent is 0.1-0.8% of the weight of the salt gypsum; and the addition amount of the water is 30-60% of the weight of the salt gypsum. The expansion backfill prepared from the salt gypsum as the raw material provided by the invention has the characteristics of being high in compressive strength, high in bonding strength, stable in size and the like, and phenomena such as sink and deformation are avoided after backfill; and meanwhile, the salt gypsum serves as the base material, high value-added comprehensive utilization of the salt gypsum is realized, theproblem that the land is destroyed when soil is extracted is solved, and the ecological environment is protected. Based on the expansion backfill, the invention further provides a preparation method of the expansion backfill prepared from the salt gypsum as the raw material.

The magnesian flame-resistant and explosion-free oil tank comprises of an inner tank, outer tank and bracket, with the inner tank made of steel plate and inside the outer tank, and some magnesian sand particles or the mixture of it with the expanded pearlite particles filled within the gap between them. The outer tank is made of glass fiber reinforced plastic. With flame-resistant and fire-retardant magnesian materials filled within the inner and outer tanks, it is efficient in fire preventing. Besides, it is antiseptic, abrasion resistant, light in weight, low of cost, shock preventing, and fine in appearance, so as to make it particularly applicable in skid mounted oil filling station.

The invention belongs to the technical field of high-purity nanometer aluminum oxide, and discloses a high-purity nanometer aluminum oxide electrolytic bath. The high-purity nanometer aluminum oxide electrolytic bath comprises a top cover, a bath body, a placing tank and a reinforcing layer; the top of the top cover is detachably connected with the solar panel; the top cover is movably connected with the top of the bath body; an accumulator is arranged on one side of the bath body; a charge socket is arranged on one side of the accumulator; a switch is arranged on the other side of the bath body; the placing tank is formed in the bath body; a gap is formed between the bath body and the reinforcing layer; and the bottom end of the reinforcing layer is movably connected with the bath body through a powerful spring. The solar panel is arranged on the top cover for charging the accumulator; the powerful spring is arranged between the reinforcing layer and the bath body for preventing leakage of electrolyte caused by vibration; and as the reinforcing layer consists of a four-layer structure of a refractory layer, a corrosion resisting layer, a thermal insulation layer and an insulation layer, on the one hand, the effects of resisting fire and corrosion can be achieved, and on the other hand, the effects of heat resistance and insulation can be achieved.

The invention discloses a wood-plastic wall material filled with light materials. The wood-plastic wall material structurally comprises a wall, a decorative panel and a wood-plastic layer. The wood-plastic wall material filled with the light materials has the advantages of solving the problems that stable supporting and shock absorbing cannot be conducted, and as a result the anti-shock performance of the wall is poor. By arranging a shock-absorbing supporting layer, firstly, through a wood-plastic plate, the effects of worm prevention, protection against termites, high fire prevention and others of the wall are improved; through a glass-fiber net, the capacities of thermal insulation, water prevention and cracking resistance of the wall can be enhanced, a rubber-plastic-cotton layer can enhance the properties of shock absorbing and rubbing resistance, an aluminum foil damp-proof layer can effectively realize the effects of shock absorption, dust prevention, toxin elimination and environmental protection, an acoustic board can have the effects of sound absorption, environmental protection, flame retardancy, heat insulation, thermal insulation, damp prevention and mildewing prevention, and light steel joists can enhance the supporting strength and shock absorption of the wood-plastic layer, and therefore the wood-plastic wall material has the advantages that stable supporting and shock absorbing can be conducted, and the anti-shock performance of the wall can be enhanced.

The invention relates to a soft fireproof main power cable for a high rise, which comprises a plurality of cable cores. The single cable core is structured by comprising five copper conductors, wherein an inner screen, a fireproof silicon rubber insulator, an outer screen, a copper strap shield and a jacket are arranged at the periphery of each copper conductor in sequence; the plurality of cable cores are tightly arranged on a same circumference; fan-shaped padding is arranged around the cable cores; a plurality of soft steel tubes are arranged in the fan-shaped padding; steel strands are respectively arranged in the middle of the fan-shaped padding; and fireproof silicon rubber ribbons are wrapped on the outermost layer of the fan-shaped padding at intervals. According to the soft fireproof main power cable, the fireproof silicon rubber insulator is wrapped around the five copper conductors so that fireproof and anti-flaming effects are acquired; three steel tubes are respectively additionally arranged in the fan-shaped padding so that good air convection and heat dissipation are acquired and the carrying capacity is improved; and thick fireproof silicon rubber ribbons are wrapped on the outermost layer of the fan-shaped padding so as to insulate heat, so that the main power cable can meet the use requirement, the service life of the main power cable is prolonged and the reliability of the main power cable is good.

The invention discloses a novel tensile special cable, and the cable comprises at least one conductor unit, a tensile cable and a filling layer. The conductor unit comprises a cable core and a split-phase insulating isolation layer, wherein the split-phase insulating isolation layer is set around the cable core. The tensile cable is located at the center of the cable, and the filling layer is disposed outside the tensile cable. The conductor units are arranged around the tensile cable, and are distributed in the filling layer. One side, far from the tensile cable, of the filling layer is provided with a fireproof isolation layer, and one side, far from the tensile cable, of the fireproof isolation layer is provided with a reinforcing layer. One side, far from the fireproof isolation layer,of the reinforcing layer is provided with an impact-resistant layer, and one side, far from the reinforcing layer, of the impact-resistant layer is provided with an outer protection sheath. The reinforcing layer comprises a flame-retardant oxygen isolating layer and an armored layer wrapping the flame-retardant oxygen isolating layer in an annular manner.

The invention discloses an energy-saving and environmental-friendly power distribution cabinet, and relates to the technical field of energy saving and environmental friendliness. The energy-saving and environmental-friendly power distribution cabinet comprises a box body, wherein a cooling liquid circulation tank is fixedly connected with a left side of an inner wall of the box body, a liquid outlet is formed in the bottom of the cooling circulation tank, a liquid return connector is arranged at the top of the cooling liquid circulation tank, a cooling pump contact head is arranged at a middle part of the box body, two ends of the cooling pump contact head are respectively connected with the liquid outlet and the liquid return connector by liquid guide pipes, a fixed key seat is fixedly connected to a part above the inner wall of the box body, a metal heat sink is fixedly connected with an outer side of the fixed key seat by a connection rack, and a heat conduction copper plate is arranged at the bottom of the metal heat sink. By the energy-saving and environmental-friendly power distribution cabinet, the problems that the current power distribution cabinet is not good in coolingeffect in a cooling aspect and dust can enter the power distribution cabinet to affect working of an electrical component due to the application of a fan are solved, the stability of the cabinet can be ensured by electrostatic absorption, and the cleanness of an electrical component working environment is ensured.

The invention discloses a residential building with two kinds of alternately arranged duplex apartments, and belongs to the building field. The residential building is mainly characterized in that (1) each standard layer is divided into an upper apartment and a lower apartment, each apartment is divided into an upper layer and lower layer, a door of the upper apartment is at the upper layer, a door of the lower apartment is at the lower layer, the plane arrangement of the upper layer of the upper apartment is the same as that of the lower layer of the lower apartment, the plane arrangement of the lower layer of the upper apartment is the same as that of the upper layer of the lower apartment, and the upper layer is connected with the lower through stairs in each apartment; and (2) the upper apartment and the lower apartment are respectively composed of a large-floor-height room, a small-floor-height room and a standard-floor-height room. The residential building has the advantages of having a large floor height and eliminating a repression sense; being free of influences of noise of floors; being obvious in energy-saving, noise-reduction and fireproof effect; and being obviously improved in privacy performance.

The invention discloses a fire-proof glass membrane based on PAM-inorganic medium phase separation and polymerization and a preparation method and application of the glass membrane. The preparation method comprises the steps that 30-60 weight parts of saturated aqueous solution of acrylic amide and N,N'-methylenebis acrylamid mixture and 40-70 weight parts of saturated aqueous solution, with the pH larger than 9, of an inorganic medium are sufficiently mixed, then 0.2-1.5 weight parts of initiator with the mass fraction of 10% is added into the mixed solution, after uniform mixing, tape casting or molding is conducted, and then the fire-proof glass membrane based on the PAM-inorganic medium phase separation and polymerization is obtained through polymerization, wherein the inorganic mediumis formed by one or two of water glass and aluminum salt in any proportion. Under high-temperature firing of a fire disaster, the water-proof glass membrane can form a fire-proof material covering layer, the covering layer is made to become an inorganic water-proof skeleton, the mechanical strength, the fire resistance and the thermal-insulation effect of the fire-proof layer are improved, and the mechanical integrity and the thermal-insulation fire resistance can be kept in the fire disaster.

The invention provides furniture paint which is prepared from the following components in parts by weight: 40-50 parts of waterborne polyurethane resin, 15-25 parts of acrylate emulsion, 4-8 parts ofwaterborne epoxy resin, 8-16 parts of magnesium-aluminum hydrotalcite, 3-6 parts of modified titanium dioxide, 4-10 parts of additive and 40-60 parts of water. The modified titanium dioxide is mainlyprepared by performing hot pressed sintering on titanium dioxide, silicon carbide and silica sol. The furniture paint is good in adhesion force and film formation performance and also has excellent formaldehyde removal performance.

The invention relates to a waterproof and fireproof power cable. The cable comprises a conductor, an inner insulating layer, an outer insulating layer, a water-tight wrapping tape, a metal armor layerand an outer sheath, wherein the conductor is a tinned copper conductor; a total insulating layer is coextruded outside the inner insulating layer and the outer insulating layer; the water-tight wrapping tape is extruded outside the total insulating layer; the metal armor layer is arranged outside the water-tight wrapping tape; and the outer sheath is arranged outside the metal armor layer. According to the waterproof and fireproof power cable, the insulating property is improved due to a synthetic mica tape wrapping layer; the purposes of fire prevention and flexibility are effectively achieved; and the waterproof and fireproof power cable is simple in structure, good in insulating effect, long in service life, stable in working, fireproof, flame-retardant and low in production cost.

The invention discloses a fireproof paper and a preparation method thereof. The fireproof paper is prepared from main materials, auxiliary materials and auxiliary additives. The main materials comprise, by weight, 115 to 130 parts of bagasse, 120 to 145 parts of awn stem, 90 to 112 parts of kenaf, 85 to 100 parts of mulberry bark and 90 to 115 parts of propolis; the auxiliary materials comprise, by weight, 30 to 50 parts of ammonium phosphate, 25 to 42 parts of ammonium sulfate, 26 to 50 parts of ammonium nitrate, 30 to 52 parts of borax, 45 to 60 parts of boric acid and 50 to 62 parts of zinc borate hydrate; and the auxiliary additives comprise, by weight, 53 to 66 parts of a bleaching auxiliary agent, 42 to 58 parts of an antiseptic and 55 to 68 parts of an adhesive. The fireproof paper has the advantages of fireproofness, high temperature resistance, durability, etc.