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157results about How to "Long fire resistance" patented technology

Organic-inorganic composite nanometer heat-insulating fire-retardant coating and preparation method thereof

The invention discloses an organic-inorganic composite nanometer heat-insulating fire-retardant coating and a preparation method thereof. The organic-inorganic composite nanometer heat-insulating fire-retardant coating is prepared by mixing organic film-forming substance acrylic ester emulsions or styrene-acrylate emulsions, epoxide resin, organic intumescent fire-retardant system pentaerythritol, melamine and ammonium polyphosphate with inorganic fire retardant nanometer aluminum hydroxide, nanometer magnesium hydroxide, filler nanometer titanium dioxide, ceramic hollow microspheres, glass hollow microspheres and a part of auxiliary agents. The organic-inorganic composite nanometer heat-insulating fire-retardant coating disclosed by the invention not only has excellent facing property and fire-retardant property, but also achieves reflection effect on solar radiation and certain heat-insulating and heat-preserving property on a substrate, also has good adhesivity, mechanical property and hydrophobic effect, can be formed through spray coating or brush coating before being solidified, and is a novel water-based multifunctional fire-retardant material. The organic-inorganic composite nanometer heat-insulating fire-retardant coating disclosed by the invention can not only be used as a general building wall body fire-retardant coating, but also be suitable for the fire prevention of building and ornament materials, heat-insulating materials, steel structure supports, beam columns, metal roofs and the like.
Owner:山西省建筑科学研究院集团有限公司

Preparation method of cold-resistant and seawater-resistant aqueous film-forming foam fire extinguishing agent

The invention discloses a novel method for preparing a cold-resistant and seawater-resistant aqueous filmforming foam extinguishing agent. According to the formula, the cold-resistant and seawater-resistant aqueous filmforming foam extinguishing agent consists of the following raw materials in part by weight: 300 to 400 parts of composite burn resistance agent, 6 to 10 parts of sodium benzoate, 50 to 100 parts of urea, 5 to 9 parts of xanthan gum, 200 to 400 parts of amphoteric hydrocarbon surfactant, 20 to 40 parts of alkyl polyglucoside (APG), 80 to 200 parts of glycol, 30 to 60 parts of butyl cellosolve, 10 to 30 parts of FC115710, 20 to 60 parts of FC120320, 20 to 40 parts of low-molecular-weight fluorinated surfactant, and 20 to 60 parts of buffering agent. The product prepared by the method is low in cost, and suitable for fresh water and seawater; and after the agent and the seawater or the fresh water are mixed in a use mixing ratio, the foam property and the extinguishment performance of the agent change slightly, the expansion rate of foam is high, 25 percent liquid drainage time is long, the foams are stable, the extinguishment speed is high and the burn resistance performance is good.
Owner:江苏江亚消防科技股份有限公司

Special fireproof inorganic double-track double-shutter rolling door

ActiveCN104775737AReduce the temperatureAvoid the defect that it is not resistant to temperature and easy to break in case of fireShutters/ movable grillesFireproof doorsPulp and paper industryMultiple layer
The invention discloses a special fireproof inorganic double-track double-shutter rolling door. The rolling door comprises shutter surfaces, guide rails, a pedestal plate, rollers, a fireproof door roller and a fireproof rolling controller. The rolling door has the following beneficial effects: the shutter surfaces are formed by overlapping multiple layers of materials with corresponding functions, so that the temperature rise can be effectively reduced; the loads of the shutter surfaces are hung by steel wire ropes, so that the service life can be prolonged, and breakages caused by fire can be prevented; the installation cascade structures of the two shutter surfaces can be reversely installed, so that fire coming from different directions can be effectively prevented; the two rollers are controlled by a same shutter rolling machine, so that resources can be saved; reflecting cloth is additionally arranged in the shutter surfaces, so that heat added to the shutter surfaces can be effectively reduced; by arranging smoke control devices in the guide rails, sealing strips are swollen after heated, and gaps between the shutter surfaces and the guide rails can be extruded and eliminated; by additionally arranging expansion spray devices in the guide rails, after water which is contained in cavities of ear channels is swollen after being heated the bottom walls of small holes can be extruded and punched, so that the water in the cavities of the ear channels can be sprayed to the shutter surfaces, the temperatures of the shutter surfaces can be reduced, and the fire-resistant time can be effectively prolonged.
Owner:重庆宏杰门业有限责任公司

Magnesium oxide plate and manufacturing process thereof

The invention discloses a magnesium oxide plate and a manufacturing process thereof. The magnesium oxide plate disclosed by the invention is characterized by being prepared through mixing the following mixed raw materials in parts by weight: 80-100 parts of magnesium oxide, 20-30 parts of anhydrous magnesium chloride, 10-20 parts of foaming agent, 20-30 parts of aluminum silicate fiber, 5-10 parts of saw dust, 10-15 parts of coal ash, 8-12 parts of glass magnesium board disintegrated powder, 1.5-5 parts of non-woven fabric, and 6-8 parts of water. The magnesium oxide plate is manufactured by adding the raw materials in the parts by weight into mixing equipment and uniformly mixing the raw materials to prepare a base stock, introducing the base stock into a mold, extruding the base stock by using extrusion equipment, then molding the extruded base stock, and air-drying the molded plate. The magnesium oxide plate disclosed by the invention meets AQ1 grade safety and performance requirements; inspection according to GB24-2006 standards proves that the burning performance of the magnesium oxide plate meets A1 grade requirements; the magnesium oxide plate is smooth in surface, good in water resistance, can be applied to exterior wall decoration, and greatly expands the application space of a glass fiber and magnesium fire-proof plate.
Owner:ZHANGJIAGANG EVERNICE BUILDING MATERIALS

Insulated fireproof bus duct

The invention discloses an insulated fireproof bus duct, which comprises a shell and a conductor, wherein the shell consists of a side plate and a cover plate which are connected with each other through a fastener to clamp the conductor; the inner wall of the shell is sprayed and coated with fireproof materials; the conductor is coated by a high temperature resistant reinforced mica tape and externally coated by an insulator heat shrinkage sleeve; an interphase and a terminal are provided with spacer blocks made of inorganic glass fiber reinforcing materials; and the side plate and the conductor are riveted and fixed on a joint through a butterfly spring. The insulated fireproof bus duct can be fireproof for a long time, and the conductor is coated by the high temperature resistance reinforced mica tape and externally coated by the insulator heat shrinkage sleeve; the spacer blocks are made by pressing the inorganic glass fiber reinforcing materials, so that the spacer blocks are noncombustible and inexplosive and have good mechanical property; the inner wall of the shell is sprayed and coated with the fireproof materials, so that the back-fire temperature is reduced or the fireproof time is prolonged; and the butterfly spring has the function of automatic regulation to make the pressure uniformly applied to the contact surface, so that the contact resistance and the temperature rise are reduced. Moreover, the insulated fireproof bus duct has large capacity, low line loss, high short-circuit strength and good heat dispersion.
Owner:KUNSHAN POWER SUPPLY CO LTD OF JIANGSU ELECTRICPOWER +1

Preparation method for novel high temperature resisting organic fire prevention heat insulating material

The invention provides a preparation method for novel high temperature resisting organic fire prevention heat insulating material. The preparation method comprises the following steps: mixing an organic silicon resin and alumina micropowder according to the mass ratio of 25-35:75-65, adding an organic solvent so as to make the raw materials be evenly mixed, adding the mixture into a 110 to 130 DEG C constant temperature oven and performing heating preservation for 3 to 12 hours so as to remove the solvent, transferring the mixture into a heating die while the mixture is still hot, carrying out the forming according to a staged temperature rise die stamping process system, and adding the material into a constant temperature oven at 200 to 250 DEG C after decompression and die ejection and carrying out the treatment for 5 to 10 hours. The prepared organic fire prevention heat insulating material has the advantages of conventional inorganic and organic fire prevention materials. The material shows the characteristics of resin material and has enough mechanical strength at a room temperature; and the material is converted into ceramic material at a high temperature, still meets the requirement of enough mechanical strength, and has stable external dimensions without deformation in the heating process. The material has a simple preparation process, and can be used for making covers and protecting cases meeting various requirements on the shape through die stamping. The method is suitable for the industrialized production.
Owner:WUHAN UNIV OF TECH

Environment-friendly fire-retardant module

The invention discloses an environment-friendly fire-retardant module. The environment-friendly fire-retardant module consists of 40 to 90 weight parts of expanded vermiculite, 10 to 60 weight parts of flame-retardant resin, 5 to 30 weight parts of expanded graphite, and 5 to 30 weight parts of magnesium oxide. The environment-friendly fire-retardant module has the advantages that: the plasticity is high, and the module contributes to opening pores and cutting; the module has high performance such as water resistance, oil resistance, alkali resistance and the like, and does not have the defects of swelling, deformation and cracking; the weight is light, the actual density is 0.8g/cm<3>, and the load of blocking materials on cable bridges and buildings can be effectively lightened; the fire-resistant time is long, namely the fire-resistant time is prolonged to be more than 5 hours, and the module is a national first-class fireproof product; the module cannot produce toxic gas when encountering with fire, does not contain halogen components, cannot release toxic gas when encountering with fire hazards, and is environment-friendly; the period of validity of the product is long, namely the period of validity is over 15 years, and the repetitive investment and construction are avoided; and the module can be widely applied to the fireproof blocking of wires, cable and electrical equipment of large-scale industrial and mining enterprises in the fields of electric power, petrochemistry, metallurgy and steel, communication, national defense and the like.
Owner:HAILONG EMERSON ZHENJIANG ENERGY TECH

Fireproof plugging module

The invention discloses a fireproof plugging module, which consists of 40 to 90 weight parts of expanded vermiculite, 10 to 60 weight parts of acrylic acid emulsion, 5 to 30 weight parts of expanded graphite and 5 to 30 weight parts of zinc oxide. The fireproof plugging module has high plasticity and is convenient for opening a hole and cutting; the water resistance, oil resistance, alkaline resistance and other performances of the fireproof plugging module are high, and drawbacks of swelling, deformation and cracking are avoided; the weight is light, the actual density is 0.8g/cm<3>, and the load of a plugging material on a cable bridge frame and a building can be reduced effectively; the fireproof time is long and is increased to more than 5 hours, so the module is a product with national grade one fireproof product; toxic gases are not generated upon contact with fire, halogen components are avoided, and as toxic gases are not released upon contact with fire, the module is environment-friendly; the effective period of the module is long and can reach more than 15 years, so repeated investment and construction are avoided; and the module can be widely used as wire, cable and electric fireproof plug in large industrial and mining enterprises such as power plants, petrochemical enterprises, metallurgical steel enterprises, communication emprises and national defense enterprises.
Owner:HAILONG EMERSON ZHENJIANG ENERGY TECH

Fireproof manmade quartz stone slab with superhardness and manufacturing method of fireproof manmade quartz stone slab

The invention discloses a fireproof manmade quartz stone slab with superhardness and a manufacturing method of the fireproof manmade quartz stone slab. The manmade quartz stone slab is manufactured from the following components in parts by weight: 30-80 parts of 6-80-mesh calcined quartz stones, 30-60 parts of 325-mesh quartz powder, 5-10 parts of cullet, 10-20 parts of 50-100-mesh red-silica powder or quartzitic sandstone powder, 5-15 parts of 100-150-mesh kyanite powder or andalusite powder or sillimanite powder, 1-10 parts of 100-200-mesh zirconium silicate or yttria-stabilized zirconia powder, 5-10 parts of unsaturated resins, 0.3-0.5 part of auxiliary, and 0.3-0.8 part of pigment. According to the fireproof manmade quartz stone slab, the red-silica powder, quartzitic sandstone powder, kyanite powder or andalusite powder or sillimanite powder, and zirconium silicate or yttria-stabilized zirconia powder is added in a manufacturing process, so that the compressive property and the fireproof flame retardant performance of the manmade quartz stone slab are improved; meanwhile, by using the calcined quartz stones, the hardness of the manmade quartz stone slab is improved, so that the fireproof manmade quartz stone slab with superhardness is relatively wearproof, difficult to scratch and long in service life.
Owner:田忠和

Wooden fireproof door and manufacturing process thereof

The invention discloses a wooden fireproof door and a manufacturing process thereof. According to the technical scheme, the wooden fireproof door is characterized in that the wooden fireproof door comprises a door frame and a door leaf rotatably connected to the door frame; connecting plates are arranged on the side, rotatably connected to the door frame, of the door leaf; the ends, away from thedoor leaf, of the connecting plates are provided with rotating shafts; the ends, rotatably connected with the door leaf, of the door frame are provided with rotating seats; shaft holes matched with the rotating shafts are formed in the rotating seats; the positions, located on the two sides of the connecting plates, of the door leaf are provided with protective plates correspondingly, and the section of each protective plate is in an arc shape; arc-shaped grooves allowing the arc-shaped plates to be inserted into are formed in the door frame; and door closing devices for closing the door leafon the door frame are arranged on the rotating seats. When a fire disaster occurs, connecting pieces such as the connecting plates, the rotating seats and the door closing devices are not liable to bedirectly affected by fire behavior and thus not liable to lose efficacy, thus the fire-resistant time is long, the door leaf is not liable to be disengaged from the door frame when the fire disasteroccurs, and use reliability and safety are high.
Owner:安徽中特门业有限公司

Hydrophobic efficient fireproof coating and preparation method thereof

The invention relates to the technical field of fireproof coatings, in particular to a hydrophobic efficient fireproof coating and a preparation method thereof. The preparation method of the fireproofcoating comprises the following steps: adding a film forming matter, a modifier and aerogel powder into dispersion equipment, carrying out uniform mixing under stirring, performing heating to 80-100DEG C in a stirring state, and keeping the temperature for 2-3 hours; transferring dispersed slurry into a grinding device, performing cooling to 5-10 DEG C, and performing grinding until the finenessof the slurry reaches 35-45 microns; adding pigments and fillers into the ground slurry, and carrying out grinding and dispersing uniformly; transferring the slurry into the dispersion equipment again, performing cooling to 5-10 DEG C, sequentially adding water, a flame retardant and an assistant, and carrying out dispersion; and stopping dispersing, and carrying out sieving and packaging. According to the invention, the film forming matter, the modifier and the aerogel powder are mixed, then heated and dispersed, and then cooled and ground, so the surface of the aerogel powder is coated andmoisture or other small molecular substances are prevented from entering holes of the aerogel powder; and thus, the problems that the aerogel powder is poor in dispersity and prone to losing efficacywhen applied in coatings are solved, the heat conductivity coefficient of the fireproof coating in an earlier stage of heating is obviously reduced, and fireproof time is prolonged.
Owner:QINGYUAN MEINUOKE NEW MATERIAL +1

Water-based fireproof coating suitable for railway vehicle chassis and preparation method thereof

The invention relates to a water-based fireproof coating suitable for railway vehicle chassis and a preparation method thereof, and belongs to the field of water-based fireproof coating. The water-based fireproof coating disclosed by the invention is prepared from the following substances in parts by mass: 20-30 parts of a film-forming substance, 40-60 parts of an intumescent flame-retardant system, 5-8 parts of titanium dioxide, 2-4 parts of nano magnesium aluminum hydroxide, 1-2 parts of organic bentonite, 1-3 parts of expandable graphite, 9-17 parts of deionized water, 0.8-1.3 parts of a film-forming aid, 0.2-0.5 part of a dispersing agent and 0.2-0.5 part of a defoaming agent; the intumescent flame-retardant system is prepared from melamine phosphate, dipentaerythritol and melamine, and the mass part ratio of the melamine phosphate to the dipentaerythritol to the melamine is 1.8-2.3: 0.8-1.2: 0.8-1.2. The water-based fireproof coating can met structure fire-resistant requirement of the chassis of the railway vehicles; no volatilization of harmful substances such as organic solvents is caused in the construction and drying processes; the occupational health and safety of constructors are guaranteed; equipment can be flexibly selected for use according to different scenes; investment of special equipment is reduced; and production cost is reduced.
Owner:河北萨迪科轨道交通科技有限公司
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