35results about How to "Good heat insulation and fire performance" patented technology

The invention provides a phenolic resin/silicon dioxide compositeaerogel material and a preparation method thereof. The phenolic resin/silicon dioxide composite aerogel material has a nano-grid structure in which a silicon dioxide phase and a resin phase are mutually tangled. The phenolic resin/silicon dioxide composite aerogel material is prepared from a material containing an organic silicon precursor, a phenolic compound, an aldehyde compound and chitosan by virtue of a sol-gel method and supercritical carbon dioxide. According to the composite aerogel material, an organic phase and an inorganic phase are respectively continuous nano-scale tangle structures and are integrated with the mechanical property of organic aerogel and the thermal insulation property and fire resistance of silicon dioxide aerogel; and after the composite gel material with a thickness of 1cm is impacted by the 1300-DEG C flame of a blast burner for over 30 minutes, the falling and the separation of the inorganic phase are not caused, and meanwhile, the temperature of a protected side does not exceed 300 DEG C. The preparation method has the beneficial effects that the operation is simple, the reaction is safe and reliable, and the thermal insulation property and the fire resistance of the material can be regulated and controlled by simply changing the material proportion.

The invention discloses a deep high-ground-temperature roadway heat-insulation lining structure and a construction method thereof. The lining structure comprises a grouting heat-insulation ring, a primary lining heat-insulation layer and a secondary lining heat-insulation layer. Firstly, a heat-insulation grout material is injected through a hollow grouting anchor rod to form a grouting heat-insulation ring; the primary lining heat-insulation layer is distributed to form a primary support, wherein the primary lining heat-insulation layer comprises a first jet ceramsite concrete layer, a reinforcing mesh layer, a metal support and a second jet ceramsite concrete layer; after roadway deformation is stabilized, the secondary lining heat-insulation layer is constructed, and construction of the structure is completed, wherein the secondary lining heat-insulation layer comprises a third jet ceramsite concrete layer and a heat-insulation plate. By means of the structure and existing common support means and according to the current situation that deep mining high-temperature damage is severe, the stability of a roadway support structure is ensured by reasonably improving supporting materials and increasing the heat-insulation plates; by means of multiple heat-insulation measures, heat is effectively prevented from spreading into a roadway, and the application and popularization value is good.

The invention relates to the field of refractory materials, specifically to a low-smoke halogen-free heat-insulating fireproof cable material used for a fire-resistant cable, and a preparation method and application thereof. The low-smoke halogen-free heat-insulating fireproof cable material provided by the invention comprises the following raw materials by weight: 55 to 90 parts of polyolefin resin, 110 to 160 parts of a functional filling material A, 50 to 95 parts of a functional filling material B, 0 to 7 parts of a flame retardant, 1 to 4 parts of a coupling agent, 8 to 25 parts of a compatibilizing agent, 1 to 5 parts of a lubricant and 0.2 to 2 parts of an antioxidant. The fireproof cable material provided by the invention has good processing performance; the whole preparation process comprises basic steps like batching, material mixing, extrusion granulation, drying and packaging; and the process is simple. The cable material has good flexibility and is convenient to install; during combustion under the flame with a temperature of 500 to 1000 DEG C, the cable material does not drip and can generate a hard shell; meanwhile, the cable material has small shrinkage ratio before and after combustion, so normal operation of internal circuit can be protected; and the cable material can be applied in a fire-resistant filling layer and a heat-insulating fireproof layer of the fire-resistant cable, and has good heat-insulating and fireproof effects.

The invention belongs to the technical field of coatings, and particularly relates to an aerogel thermal insulation coating for an aluminum alloy material, a fireproof thermal insulation coating layerfor an aluminum alloy battery pack and an aluminum alloy upper cover of the battery pack. The aerogel thermal insulation coating for the aluminum alloy material comprises the following components (byweight): 30-50 parts of a film-forming agent, 10-20 parts of silicon dioxide aerogel, 0.5-5 parts of a dispersing agent, 0.5-5 parts of a thickening agent, 0.5-5 parts of a defoaming agent, 0.5-5 parts of a flame retardant and 0.5-5 parts of a preservative, wherein the film-forming agent is a water-borne epoxy resin emulsion. The aerogel thermal insulation coating is used as an inner layer, the fireproof coating is used as an outer layer, and the inner layer and the outer layer form the fireproof thermal insulation coating layer for the aluminum alloy battery pack. The coating layer acts on the upper cover of the aluminum alloy battery pack, so that the upper cover of the aluminum alloy battery pack has better fireproof heat-insulating property and can pass an external fire test in GB/T 31467.3.

The invention discloses a fireproof hinged door of a ship elevator, belonging to the field of window sashes, door leafs or similar members capable of being closed and opened. The fireproof hinged door comprises an elevator car door and an elevator shaft door, wherein the elevator shaft door comprises a door frame, a door plate and a door machine control system; the door plate is hinged with the door frame; an opening and closing mechanism is arranged on the door plate; a sealing part is arranged between the door plate and the door frame; the sealing part adopts a fireproof expansion strip; the fireproof expansion strip can be heated for expansion after the fire to seal up a gap between the door plate and the door frame, so that smoke is prevented from entering into a shaft; the door plate is connected with the door frame through an automatic closing device; the elevator shaft door and the elevator car door are provided with a locking mechanism, wherein the locking mechanism comprises a guide mechanism arranged on the elevator car door and is connected with the door machine control system through a transmission line. The hinged door of the ship elevator is fireproof and good in sealing property.

A flame-retardant composite fireproof cable is characterized by comprising at least two cable cores, wherein each cable core is composed of twisted copper wire conductors each coated with a mica fireproof layer, an insulating damp-proof layer, an aluminum alloy interlocked armor barrier layer and a flame-retardant layer sequentially from inside to outside; the flame-retardant composite fireproof cable is composed of a cabling wrapping belt, an oxygen isolating layer, a ceramic fireproof layer, an interlocked armoring layer and a flame-retardant outer protective layer all of which are sequentially coated outside each cable core from the inside to the outside, and a flame-retardant filling material filled between the cable cores and the cabling wrapping belt.

The invention discloses a fireproof ultraviolet-ray-resistant multi-core optical cable which relates to the technical field of fibers and optical cables. The multi-core optical cable comprises two optical cable cores and two carbon fiber composite core rods at the inner part, an outer shielding layer and an outer insulating layer arranged outside. A metal pipe, a fiber sleeve and a metal woven netare arranged between the outer insulating layer and the outer shielding layer. The outer insulating layer comprises a first polytetrafluoroethylene layer, a ceramic silicon rubber layer and high-flame-retardance halogen-free polyethylene layer which are successively arranged from inside to outside. An inner protecting layer is arranged outside the optical fiber cores and the carbon fiber composite core rods. The inner protecting layer comprises a second polytetrafluoroethylene layer, a silicon nitride ceramic layer, an inner shielding layer and a low-flame-retardance halogen-free polyethylenelayer which are successively arranged from inside to outside. An optical cable filler is arranged between the low-flame-retardance halogen-free polyethylene layer and the outer shielding layer. The fireproof ultraviolet-ray-resistant multi-core optical cable has advantages of excellent fireproof performance, excellent flame retardance, excellent ultraviolet ray resistance, stable integral structure and effective service life prolonging.

The invention discloses a fireproof and flame-retardant material. The fireproof and flame-retardant material is prepared from raw materials in parts by mass as follows: 12-18 parts of polybutylene terephthalate, 55-65 parts of epoxy resin, 11-18 parts of hydroxyethyl cellulose, 15-17 parts of asbestos powder, 8-14 parts of calcium carbonate, 6-10 parts of perlite, 12-18 parts of dimethylacetamide, 6-9 parts of ethyl acetate, 5-7 parts of aluminium hydroxide, 9-13 parts of an acrylic emulsion and 8-10 parts of stearic methacrylate. The fireproof and flame-retardant material is good in heat insulating and fireproof performance, capable of avoiding cracking and falling off, high-temperature-resistant, economical and environment-friendly.

The invention refers to an adiabatic fireproof material prepared by high-aluminium cement and foaming agent and the preparing method. Its components: cement base 350-600 kg/m, foaming agent, 0.1-20 kg/m to the power 3, additive 50-250 kg/m to the power 3, the cement base being high-aluminium cement, the foaming agent composed of foam initiating agent and foam stabilizing agent. The method: before or after stirring the mixture of high-aluminium cement and additive by water, inject the foamed solution into the water, mix evenly, and make hardening reaction to prepare the material.

The invention discloses an integral forming processing technology for pressing and laminating veneers through a film spraying and calendering process. According to the technical scheme, the technologyis characterized by including the following steps of a, splicing skin, wherein the veneers are longitudinally or transversely seamlessly spliced into a sheet, the maximum width of the veneers is ensured, the surfaces of the veneers are decorated with transparent patterns, filling is conducted through the color the same as that of the wood patterns, and it is ensured that the thin veneers are unified in overall appearance, free of solid color abnormity, transparent and the like; b, conducting extruding and curtain coating, wherein one or more of plastic raw materials with different performanceare mixed and put into a material hopper of an extruder, extruding and curtain coating are conducted on a film spraying machine through heating, mixing, plasticizing and extruding to form a film, andthe thin film is adjusted to have the required thickness and bias; c, conducting film spraying and laminating, the spliced veneers and the high-temperature-resistant base film are introduced into a laminating roller group on the adjusted curtain coating film for multi-roller-group pressing; d, conducting cooling forming, wherein the laminated veneers are cooled, trimmed and then wound into a coiled material through a winding machine.

The invention discloses a fireproof flame-retardant material. The fireproof flame-retardant material is prepared from the following raw materials: in parts by mass, 40-50 parts of polybutylene terephthalate, 110-130 parts of epoxy resin, 30-40 of hydroxyethyl cellulose, 12-20 parts of asbestos powder, 30-40 parts of calcium carbonate, 6-8 parts of perlite, 5-10 parts of dimethylacetamide, 4-6 parts of ethyl acetate, 6-8 parts of magnesium hydroxide, 25-35 parts of acrylic acid emulsion and 20-30 parts of stearyl methacrylate. The fireproof flame-retardant material has good heat insulation andfire resistance, no cracking, no falling off and high temperature resistance, and is economical and environmentally friendly.

The invention relates to a cotton covered wire with a flame-retardant protective outer layer. The cotton covered wire comprises a conductor, an insulating layer and the flame-retardant protective outer layer, wherein the insulating layer wraps the conductor, and twenty to thirty convex teeth distributed along the circumference are arranged in the outer side of the insulating layer in a surrounding manner; and the flame-retardant protective outer layer comprises a fireproof coating coated outside the insulating layer and an outer protective layer coated outside the fireproof coating. A related flame-retardant protective outer layer manufacturing device for the cotton covered wire with the flame-retardant protective outer layer comprises a controller, and an outer protective layer coating device, a heating and drying device and a fireproof coating dip-coating device which are sequentially arranged from front to back. The cotton covered wire with the flame-retardant protective outer layer is high in flame-retardant and fireproof performance, and insulation damage is not prone to being caused in the installation and construction process.

The invention discloses a fireproof flame-retardant material. The material is prepared from, by mass, the following raw materials: 20-30 parts of polybutylene terephthalate, 80-100 parts of epoxy resin, 20-24 parts of hydroxyethyl cellulose, 6-10 parts of asbestos powder, 16-20 parts of calcium carbonate, 1-5 parts of perlite, 5-10 parts of dimethylacetamide, 1-5 parts of ethyl acetate, 2-4 partsof magnesium hydroxide, 15-20 parts of an acrylic emulsion, and 12-16 parts of octadecyl methacrylate. The material has the characteristics of good heat insulation and fire resistance, no cracking andno falling off, high temperature resistance, economy and environmental protection.

The invention provides a composite metal thermal insulation vacuum panel, the vacuum panel includes a face plate, a connecting plate, a sealing layer and a vacuum cavity; the connecting plate connects two panels together, and the sealing layer is arranged in the connecting plate, A vacuum chamber is formed inside the two panels, and a support is also arranged in the vacuum chamber. The vacuum panel proposed by the present invention not only has good compression resistance and impact resistance, but also has superior airtight performance, good heat insulation and fire prevention effect, can be used as external wall insulation material, and can also be used for refrigerators, freezers, refrigerated carriages and heat preservation Production of boxes, etc.

The invention discloses a polymer filled light material, and a method for manufacturing a partition wall by using the same. The polymer filled light material is formed by mixing a polyphenyl polymethylene polyisocyanate mixture and polyether polyurethane, the whole wall can be completely filled with the polymer filled light material, and the polymer filled light material has better functional effects of heat insulation, fire prevention, heat preservation, noise prevention, moisture prevention, water prevention and the like; and the manufacturing method of the polymer filled light partition wall is achieved through the steps of basal plane cleaning, positioning, light plate mounting, pre-buried hole pipeline mounting, grouting nozzle mounting, burdening, grouting, filling material reactionfoaming and nozzle dismounting, a complete dry operation mode is adopted, assembly type construction is adopted, and wallboards can be cut at will to adjust the width and the length.

The invention discloses a fireproof isolation bandage, and belongs to the technical field of power construction safety. The fireproof isolation bandage comprises a bandage body. The bondage body is wound around the surface of a cable. Two ends of the bondage body are fixedly connected to a three-layer reinforcing patch. Five self-lock stainless steel ribbons are fixedly connected to the surface ofthe bondage body at equal intervals. The bondage body is a flexible fireproof bandage. The reinforcing patch is a 75 DEG C irreversible temperature measuring patch. The external side of the flexiblefireproof bandage is fixedly connected to MM Kevlar bulletproof fiber cloth. The flexible fireproof bandage comprises following components from inner to outer: glass fiber decorative cloth (A), aluminum silicate fireproof cloth (A), an aluminum silicate fiber blanket, aluminum silicate fireproof cloth (B), glass fiber decorative cloth (B), and high-viscosity high temperature resistant acrylic glue, which is fixedly connected to the Kevlar bulletproof fiber cloth. The problems that in the prior art, a cable bandage does not have a fireproof function, and the winding mode of a bandage can influence the protection efficiency of the bandage are solved.

The invention discloses a high-efficiency vertical die casting machine, comprising a pressure chamber, an upper punch and a lower punch. The pressure chamber is composed of upper pressing blocks whichare symmetrically arranged on the left and right sides, the lower part of the left and right upper pressing blocks are processed with sprues, nozzles are disposed on the left and right sprues away from the pressure chamber side, sprue sleeves are disposed on the left and right nozzles away from the pressure chamber side, the sprue sleeves on the left and right sides are fixed and clamped by the fixed mold, a flow gate is formed between sprue sleeve and the fixed molds, a flow divider is disposed on the left and right side of the sprue sleeve away from the pressure chamber side, and the flow divider away from the pressure chamber side is connected with a movable mold. The high-efficiency vertical die casting machine greatly prolongs the service life of the lower punch and the lower pressing block, doubles the working efficiency of the traditional die casting machine by completing the processing of the left and right two castings by one die casting, and greatly improves the enterprise'sproductivity.