89results about How to "Improve thermal insulation performance" patented technology

The invention discloses an assembly type multi-layer lightweight concrete sandwich wallboard structure system, which relates to an assembly type multi-layer building and comprises lightweight concrete sandwich prefabricated wallboards, vertical corner prefabricated members and fully prefabricated hollow floor slabs, the lightweight concrete sandwich prefabricated wall panel and the vertical corner prefabricated part are connected in an anchoring mode through a vertical anchoring connecting section, a prefabricated bracket is arranged on one side of the lightweight concrete sandwich prefabricated wall panel, and the full-prefabricated hollow floor slab is arranged on the prefabricated bracket. The fully-prefabricated hollow floor slabs and the lightweight concrete sandwich prefabricated wallboards are anchored and connected through the horizontal cast-in-place sections of the fully-prefabricated hollow floor slabs, and every two adjacent layers of lightweight concrete sandwich prefabricated wallboards and vertical corner prefabricated parts are fixedly clamped through buckle type connecting parts. The invention further discloses a construction method of the fabricated multi-layer lightweight concrete sandwich wallboard structure system. Connection joints are simple and convenient, grouting connection is not needed, the prefabricated horizontal members do not need temporary supports, the on-site pouring amount is small, and the stress performance is good.

The invention relates to the technical field of thermal insulation materials, and discloses a polyurethane foam material and a preparation method and application thereof, the polyurethane foam material is prepared from a raw material composition containing polyol, isocyanate, a catalyst, a polymer microsphere emulsion and a filler; the filler contains one or more than two of aerogel, fumed silica and polymer microspheres; the polymer microsphere emulsion is prepared by adopting a soap-free emulsion polymerization method, the preparation raw materials of the polymer microsphere emulsion comprise an oleophylic polymeric monomer and an amphiphilic polymeric monomer, and the polymer microsphere is prepared by drying the polymer microsphere emulsion. According to the invention, the polymer microsphere emulsion is used as a foaming agent, and the polymer emulsion does not contain fluorine and a traditional surfactant, so that the prepared polyurethane foam material is low in heat conductivity coefficient and density, good in heat preservation and heat insulation performance and environment-friendly, and meanwhile, the strength of polyurethane foam can also be improved; by adding the filler, the heat conductivity coefficient of the polyurethane foam material can be further reduced, and the thermal insulation performance of the polyurethane foam material is improved.

The invention discloses a method for preparing a high-performance closed-cell perlite material by a chemical method, the prepared high-performance closed-cell perlite material is mainly used in the field of buildings, and the method comprises the following steps: S1, expanding; s2, film covering; s3, dispersing; s4, grading; according to the invention, a layer of silica sol film is formed on the surface of the closed-cell perlite, the film layer not only significantly reduces the volume shrinkage of the closed-cell perlite in the subsequent slurry stirring process, but also effectively hinders the expansion of cracks in the perlite and greatly reduces the cracking risk, and meanwhile, the heat conductivity coefficient of the material is also reduced by film coating treatment, so that the thermal conductivity of the material is improved. The thermal insulation performance is obviously improved; according to the drying furnace, through cooperative use of the drying mechanism and the adjusting mechanism, the air outlet pipe can be driven to swing up and down in a reciprocating mode, so that the air blowing angle of the air outlet pipe is adjusted according to use requirements, hot air can be blown to different areas in the furnace body, the air blowing range is widened, and the perlite drying effect is improved.

The invention discloses a building external wall heat preservation structure easy to disassemble and assemble, and belongs to the technical field of building external wall heat preservation, the building external wall heat preservation structure easy to disassemble and assemble comprises a mounting plate, a heat preservation plate is mounted in the mounting plate, a setting assembly is arranged in the mounting plate, a locking and adjusting assembly is arranged at one end of the mounting plate, and a disassembly assisting assembly is arranged in the mounting plate; the peripheral side faces of the heat preservation plate are tightly pressed through expansion of the setting assemblies, so that the heat preservation plate is rapidly installed in the installation plate, meanwhile, a gap between the heat preservation plate and the installation plate is blocked, the construction efficiency is improved, the requirement for the size precision of the heat preservation plate is effectively lowered, and the construction cost is reduced. The expansion state of the setting assembly is locked through the arranged locking and adjusting assembly, meanwhile, the expansion degree of the setting assembly can be adjusted through the arranged locking and adjusting assembly, a good expansion sealing effect can be achieved for heat preservation plates with different thicknesses, the heat preservation plates can be automatically disassembled through the arranged disassembly assisting assembly, and the disassembly efficiency is improved. And the insulation board is more convenient and labor-saving to disassemble.

The invention discloses a method for preparing a composite thermal insulation material by recycling and reusing an environment-friendly waste aluminum silicate product, belongs to the technical field of thermal insulation materials, and aims to solve the technical problem that the mechanical property and the thermal insulation property of a coating cannot be simultaneously realized when the waste aluminum silicate product is added into the epoxy resin-based coating in the prior art. The invention relates to a method for preparing a composite thermal insulation material by recycling an environment-friendly waste aluminum silicate product. The method comprises the following steps: adding spheroidized composite particles into an organic solvent to obtain a suspension; adding the coated aluminum silicate product, epoxy resin, a modified chain extender and an amine curing agent into the suspension to obtain a mixture; curing and molding the mixture to obtain the composite thermal insulation material. The composite thermal insulation material prepared by the invention has excellent mechanical property and thermal insulation property when being used for recycling waste aluminum silicate products.

This utility model relates to the field of thick film heater technology and discloses a sealing structure for a thick film heater. In use, the external water supply pipe is first inserted into the inlet end and tightened via the connecting thread. The water supply pipe then compresses the sealing gasket, causing a telescopic spring to contract the gasket, thus separating the gasket from the sealing block. This allows water to flow into the thick film heater from the inlet end. The telescopic spring also pushes the sealing gasket against the end of the water supply pipe, improving the sealing effect and preventing water from flowing out through the gap between the water supply pipe and the inlet end. When the external water supply pipe ages and breaks and needs replacement, it can be removed. When the water supply pipe is removed, the telescopic spring causes the sealing gasket to reset, causing it to abut against the sealing block and seal the inlet end, preventing hot water from flowing out during replacement and causing injury. This improves the practicality of the sealing structure of the thick film heater.

The utility model discloses a metal roof structure with heat insulation effect, which comprises a metal roof, two ends of the metal roof are respectively integrally extended with a connecting end and a sleeving end, the surface of the connecting end is provided with a sealing gasket, and the surface of the sleeving end is respectively fixedly connected with an outer side plate and an inner side plate. A connecting lead screw is arranged between the outer side plate and the inner side plate, and a telescopic strip is arranged between the outer side plate and the inner side plate. According to the metal roof structure with the heat preservation and heat insulation effects, the connecting end is slidably connected into the sleeving end in a sleeved mode, then the connecting lead screw is locked on the inner side plate, the outer side plate is driven to extrude the sleeving end, and then the telescopic strip can automatically stretch out and draw back along with extrusion retraction of the outer side plate, so that the sleeving end and the connecting end are extruded and fastened; in addition, the strength of the metal roof can be enhanced through the reinforcing ribs, and the problem of deformation in the transportation and carrying process is avoided.

The application provides a solid-state composite phase change heat insulation material and a preparation method and application thereof, and belongs to the technical field of heat insulation solid-state composite phase change heat insulation materials. In view of the problems of complex operation process, harsh conditions and poor heat insulation performance of the prepared phase change material, the method comprises the following steps: taking inorganic aluminum salt, anhydrous ethanol and deionized water in proportion to form a mixed solution, performing ultrasonic treatment on the mixed solution, adding a gel initiator into the mixed solution in proportion, stirring to gel the mixed solution, compounding the gelled mixed solution with a ceramic fiber felt to obtain a gel plate, covering and packaging the gel plate with an aluminum plastic film, performing vacuum treatment on the gel plate, and then packaging the gel plate to obtain the solid-state composite phase change heat insulation material. The prepared solid-state composite phase change heat insulation material has the performances of low-temperature heat dissipation, medium-temperature heat absorption and high-temperature heat insulation, and has lower price and simpler process flow.

The invention relates to the technical field of sunshade equipment, in particular to a flexible double-property film flexible outer sunshade component which comprises a building outer wall, an electric reel structure and a guide rail module. An on-wall suspended supporting frame is installed on one side of the building outer wall, the other end of the on-wall suspended supporting frame is fixedly connected with a guide rail module, an electric reel structure is installed in the guide rail module, and a flexible film is installed below the electric reel structure. When not in use, the flexible thin film can be wound through the electric reel structure, when in use, the flexible thin film can naturally overhang through the electric reel structure, the electric reel structure can be driven to move in cooperation with the guide rail module, at the moment, the flexible thin film is driven to be subjected to position adjustment, the flexible thin film can swing along with wind, and surrounding air is promoted to flow. The heat dissipation effect is achieved; sunlight is sprayed through the yarn curtain, and the sun-shading effect is achieved.

The invention discloses a building roof heat preservation and insulation system and a construction method thereof, and belongs to the technical field of roof heat preservation and insulation, the building roof heat preservation and insulation system comprises a plurality of extruded polystyrene boards laid on a roof, an aluminum foil reflecting film is laid on the surface of each extruded polystyrene board, and the surface of each aluminum foil reflecting film is coated with polymer cement mortar. The roof is provided with a fixing assembly used for fixing the extruded polystyrene board to the roof. The method has the effect of improving the heat preservation and insulation effect of the roof.

The utility model discloses a warm-keeping and heat-insulating fabric which comprises a fabric body, the fabric body comprises core warm-keeping fiber lines, the core warm-keeping fiber lines are evenly arranged into a plurality of sets, and meanwhile the multiple sets of core warm-keeping fiber lines are woven in a penetrating mode through main auxiliary warm-keeping fiber lines and secondary auxiliary warm-keeping fiber lines respectively. And main tensile fiber lines are woven on one sides of the secondary auxiliary warm-keeping fiber lines. According to the warm-keeping and heat-insulating fabric, a large number of transversely-woven wefts and vertically-woven warps are woven to form a fabric body, and core warm-keeping fiber threads are wool threads; the main auxiliary warm-keeping fiber threads and the secondary auxiliary warm-keeping fiber threads are polyester fiber threads, and the wool has good warm-keeping performance, so that the warm-keeping degree of the fabric can be increased; the polyester fibers have good thermal insulation performance and also have the advantages of wrinkle resistance and wear resistance; the thermal insulation performance of the fabric can be improved, and the fabric is more comfortable to wear in winter.

The present application provides a photovoltaic module for rapid indoor replacement and a method for making the same, the method comprising: providing a photovoltaic module in a preset indoor environment, obtaining the size information of the photovoltaic module; making a special profile corresponding to the photovoltaic module on a preset mold according to the size information; the special profile comprises a groove adapted to the photovoltaic module; pressing a preset silicone strip into the groove; applying structural adhesive in the groove, and bonding the photovoltaic module to the groove through the structural adhesive; forming a gap after bonding the photovoltaic module to the groove; pasting a preset closed sponge in the gap between the photovoltaic module and the groove, ensuring that the photovoltaic module is in full contact with the surface of the closed sponge to isolate the photovoltaic module from the influence of the external temperature; inserting a foam rod on the outside of the closed sponge to ensure that there is no gap between the photovoltaic module and the special profile; applying weather-resistant sealant on the outside of the foam rod to obtain the finished photovoltaic module. The problem that the existing BIPV photovoltaic module is difficult to maintain after fixed installation is solved.

The invention relates to a mortise module wall and outer wall masonry construction method. The method comprises the steps of design and planning, module prefabrication, storage and transportation, field installation, water prevention and heat preservation and interior and exterior decoration, specifically, painting and tiling are conducted on an inner wall and an outer wall, a suspended ceiling is installed on the inner wall, a curtain wall is installed on the outer wall, the decoration effect is achieved, and meanwhile necessary anti-weather treatment is conducted; through the arrangement of the dust removal operation, the joint between the mortise module wall and the outer wall masonry can be cleaned, so that the joint is not prone to become a dust, dirt and mould gathering area, mould and bacteria cannot be bred in a humid environment and a good cleaning condition, and the air quality and living health are improved; the situation that dirt accumulation and mildew growth at the joint affect the overall building appearance and reduce the attractiveness is avoided, meanwhile, the problems that in a traditional method, frequent redecoration is needed, and the maintenance cost is increased are solved, the problems of water accumulation and water seepage can be avoided due to convenient cleaning of connection, and the internal structure is further enhanced.

The invention discloses autoclaved aerated concrete added with a specific binding material and a preparation method of the autoclaved aerated concrete, and by optimizing the proportion of the binding material and the preparation process of the autoclaved aerated concrete, the mechanical property, heat insulation performance and durability of a concrete product are improved. According to the present invention, the cementing material comprises the combination of fly ash, sand and silicon-containing tailings, and is supplemented with gypsum and a gas forming agent, and a series of accurately controlled preparation steps are performed to finally obtain the high-performance autoclaved aerated concrete product;

The utility model discloses an antibacterial warm-keeping pet house with a massage function, which comprises a house body (2), four sides of the house body (2) are connected with side walls (1), and a house pad (3) is arranged in the house body (2). The nest pad (3) is detachably mounted in the nest body (2); the nest pad (3) comprises an outer sleeve (4), an opening (5) with a zipper is formed in one side edge of the outer sleeve (4), and antibacterial fluff is connected to the whole outer side face of the outer sleeve (4); the outer sleeve (4) is filled with a sponge block (6), a plurality of rows of massage cones (7) which are distributed in a staggered mode and protrude upwards are arranged on the top face of the sponge block (6), and a heat insulation layer (8) is connected to the bottom face of the sponge block (6). According to the utility model, not only can the massage function be added, but also the advantages of better comfort, better antibacterial property, better warm-keeping effect, better placement stability and more convenience in turnover operation of the nest pad are achieved.

The utility model belongs to the technical field of building equipment, and particularly relates to an assembly type green building construction wall which comprises a construction wall body, and installation assemblies are arranged on the two sides of the construction wall body. The mounting assembly comprises a mounting block, and the mounting block is fixedly connected to one side of the construction wall body. According to the utility model, the mounting assembly is arranged, and the mounting block is matched with the mounting groove, so that during mounting, the mounting block of one construction wall body is aligned with the mounting groove of the other construction wall body to be inserted, and then the screw rod, the gasket and the nut are used for fixing. Compared with a complex installation structure of a traditional fabricated construction wall, the design is simpler to operate, common constructors can master the installation method through simple training, dependence on professional technicians is greatly reduced, meanwhile, installation time and labor cost are reduced, construction efficiency is improved, and the construction cost is reduced. And the modern fast-paced building construction requirements can be better met.

The utility model provides a novel aluminum composite energy-saving door and window profile structure and a door and window, and relates to the field of doors and windows. Comprising at least two aluminum alloy sections and heat insulation strips connected among the aluminum alloy sections, and the ratio of the total width of the two aluminum alloy sections to the total width of the heat insulation strips is 1: (1-5). The aluminum alloy section adopts an extremely narrow design, so that enough heat preservation and insulation space is reserved for the heat insulation strip while the use strength is ensured, and the heat insulation performance is greatly improved; meanwhile, the heat insulation strip adopts a multi-cavity design, so that sound insulation and heat insulation effects are improved and air tightness is increased. The aluminum alloy and heat insulation strip combined multi-cavity design is adopted, the appearance is attractive, the strength is guaranteed, and meanwhile the heat preservation and heat insulation performance is improved.

The heat preservation and heat insulation curtain wall for the building comprises an installation frame, the left side of the installation frame is fixedly connected with an inserting block, the position, corresponding to the inserting block, of the right side of the installation frame is provided with an inserting groove, and the middle section of the front face of the installation frame is provided with two clamping mechanisms; and three sets of loop bars are fixedly connected to the positions, located on the two sides of the clamping mechanism, of the front face of the installation frame, curtain wall plates are installed on the front face of the installation frame, each curtain wall plate is composed of a base plate, a heat preservation plate, a heat insulation cavity and a decoration layer, and a fixing mechanism is installed between the two sets of curtain wall plates. By means of the design, the heat preservation plate can be conveniently detached and replaced, and the overall heat preservation and heat insulation performance of the curtain wall plate is improved.

The invention relates to the technical field of graphene fabrics, in particular to a preparation process of a three-in-one graphene hydrophilic skin velvet fabric, the graphene fabric is subjected to leveling and flaw removing treatment, so that the stability and smoothness of the graphene fabric and an elastic film during bonding are improved, the elastic film is subjected to leveling treatment, and glue is subjected to hot melting treatment, so that the graphene hydrophilic skin velvet fabric is obtained. According to the graphene fabric and the elastic film, the glue can be better and uniformly laid between the graphene fabric and the elastic film, so that the fitting tightness of the graphene fabric and the elastic film is improved, and the glue is a hot melt adhesive, so that the glue is uniformly laid between the graphene fabric and the elastic film when the elastic film and the graphene fabric are subjected to gluing treatment by using a gluing roller, and the gluing tightness of the graphene fabric and the elastic film is improved. In this way, during subsequent drying treatment, extra pressing treatment is not needed, only natural airing and cooling are needed, and the production cost is reduced.

The utility model relates to the technical field of heat preservation building blocks, and discloses an integrated high-performance heat preservation building block which comprises an outer frame, internal padding is arranged in the outer frame, a first filling hole is formed in the outer frame, a second filling hole is formed in the outer frame, and side sliding grooves are formed in the left side and the right side of the outer portion of the outer frame. The building block wall is reasonable in structure, good in heat insulation effect, easy to manufacture and capable of avoiding defective products and waste products, has the heat insulation function, enables the building block wall to have the building enclosure function and further improves the strength of the building block wall, and the building block wall is formed through one-time pouring and vibration of a mold.

The invention relates to the technical field of thermal insulation materials, and particularly discloses a building external wall thermal insulation material and a preparation method thereof. The invention relates to a building external wall thermal insulation material, which is prepared from the following ingredients in parts by weight: 50 to 80 parts of cement, 25 to 35 parts of polyacrylate emulsion, 15 to 25 parts of expanded perlite, 0.2 to 0.5 part of water reducing agents, 5 to 8 parts of foaming agents, 5 to 10 parts of nanometer aluminum oxide crystal whiskers, 5 to 10 parts of hollow glass microspheres, 7 to 16 parts of potassium hexatitanate crystal whiskers, 3 to 7 parts of sodium alginate-silicon dioxide aerogel and 2 to 10 parts of wood fibers. And 8-14 parts of water. The preparation method of the building external wall thermal insulation material comprises the following steps: uniformly mixing the raw materials in parts by weight, injecting the mixture into a mold for forming, removing the mold after initial setting, maintaining, and cutting into building blocks or plates according to design size requirements after reaching certain strength. The building external wall thermal insulation material is good in thermal insulation performance.

The utility model discloses a high-strength fireproof indoor decorative plate which comprises a mounting plate body, mounting grooves are formed in the top and the bottom of the side face of the mounting plate body, and clamping grooves are formed in the sides, away from each other, of the two mounting grooves. The decorative plate body is matched with the mounting plate body, and mounting mechanisms used for fixing the decorative plate body are mounted at the positions, corresponding to the mounting grooves, of the top and the bottom of the side face of the decorative plate body. The mounting plate body and the decorative plate body are convenient to disassemble and assemble through the mounting mechanism, so that the decorative plate body is convenient to replace, meanwhile, the excellent characteristics of heat insulation, heat preservation, sound insulation and the like of the plate are improved through the corrosion-resistant layer, the structural strength of the decorative plate is improved through the heat preservation layer, and the service life of the decorative plate is prolonged. The heat preservation, heat insulation and fireproof performance of the decorative plate is improved by arranging the fireproof layer, and the corrosion resistance of the plate is greatly improved by arranging the wear-resistant layer.

The utility model discloses a lightweight concrete building wall which comprises a concrete wall body, and a composite mechanism is positioned and installed in the concrete wall body. The composite mechanism comprises a positioning connecting groove, an inserting positioning groove, a positioning frame, a connecting frame, a positioning triangular groove, a connecting fixing frame, a flexible sealing gasket, a triangular positioning clamping block, a heat preservation layer, a sound insulation layer, a fireproof layer and a waterproof layer. According to the lightweight concrete building wall, through the arranged composite mechanism, the positioning frame is inserted into the inner side of the insertion positioning groove, and the connecting frame at the upper end of the positioning frame and the inner wall of the positioning connecting groove are fixed through bolts; the connecting fixing frame is positioned on the inner side of the positioning frame through clamping of the triangular positioning clamping blocks, and the heat preservation layer, the sound insulation layer, the fireproof layer and the waterproof layer are arranged on the inner side of the connecting fixing frame, so that the performance in all aspects can be enhanced, the overall stability and firmness of the wall body can be improved, and the risk that the wall body cracks and falls off is reduced.

The utility model discloses a steel pipe truss heat preservation concrete wallboard with ventilation cavity, including the open square pipe of welding in the cavity of steel pipe truss, the front side of steel pipe truss is connected with the outer leaf wallboard through bolt fixing, the front side of outer leaf wallboard is provided with concrete pouring plate, the front side fixed connection of concrete pouring plate has the decorative panel, the rear side of concrete pouring plate is provided with two vertical grooves, and the cavity of two vertical grooves all is provided with the bound frame, the front side of outer leaf wallboard is connected with two ventilation grooves through bolt fixing, the utility model discloses through setting up vertical groove on the surface of concrete pouring plate and adding bound frame in the cavity of vertical groove, then, fix and connect ventilation groove in the front side of outer leaf wallboard, and then make the surface of concrete pouring plate form cavity, can reach the purpose that heat is taken away through the flow of air, to make the heat preservation and heat insulation effect of wallboard improve.

The present invention provides a foam ceramic building block and a preparation method and a use method thereof. The raw materials of the building block include: 100 parts of a main material, 5 to 20 parts of a pore-forming agent, and 5 to 10 parts of a filler. Tap water tail mud, aluminum ash, flue ash and sulfuric acid slag are ground into powder as the main material, at least one of boron mud, carbide slag and industrial salt mud is dried and ground into powder as a pore-forming agent, at least one of pine nuts, castor beans and Spartina alterniflora powder is crushed as a filler, the above raw materials are mixed to form embryos, calcined and cooled to obtain building blocks. The foam ceramic building blocks prepared by the present invention are adhered to each other by applying a masonry agent. The foam ceramic building block has the characteristics of strong mechanical properties, good thermal insulation effect and excellent sound absorption capacity, and is of great significance in the fields of improving the comprehensive utilization rate of solid waste and developing energy-saving building materials.

The invention relates to the technical field of castable, in particular to high-performance tundish cover castable based on high-aluminum ceramic chip recycled aggregate and a preparation method of the high-performance tundish cover castable. The castable comprises high-aluminum ceramic chip recycled aggregate, modified hollow alumina microspheres, andalusite and other components, and through roasting stabilization treatment of the recycled aggregate and multi-layer coating modification of the microspheres, the problems of poor heat preservation property and concentrated thermal stress caused by high doping amount of the recycled aggregate are solved. The andalusite cooperates with the modified microbeads to optimize aggregate-andalusite-microbead three-phase interface combination by virtue of the low-expansion characteristic and the active surface, so that the thermal shock resistance and the structural compactness are enhanced. The product has excellent heat preservation and heat insulation performance, high strength and slag corrosion resistance, resource efficient utilization of waste high-aluminum ceramic chips is achieved, and the service life of the tundish cover is prolonged.

The invention belongs to the technical field of foam forming, and particularly relates to a foam forming process of a pressure-resistant waterproof foam box. The preparation method comprises the following steps: S1, adding foaming raw material components except a foaming agent into mixing equipment, and uniformly stirring and mixing at 60-70 DEG C to obtain a mixture A; s2, adding a foaming agent into the mixture A, and uniformly mixing to obtain a mixture B; s3, the mixture B is injected into a preheated forming mold cavity; after the pressure is maintained for a period of time, the wall thickness of the mold cavity is increased by retreating the movable mold core, in the process, the volume of the material is expanded along with the increase of the space of the mold cavity, foaming is completed, and the whole mold cavity is filled; and S4, cooling and curing the material, and taking out to obtain the foam box. The graphene modified EPS particles are adopted as the main raw material, and a demolding controllable foaming forming process is combined, so that the mechanical strength and the waterproof performance of the material are remarkably improved, and the heat preservation and heat insulation performance of the material is effectively improved.

The invention discloses a phase-change energy-storage heat-preservation composite material as well as a preparation method and application thereof, and particularly relates to the technical field of heat-preservation composite materials. The phase-change energy-storage heat-preservation composite material comprises the following raw materials in percentage by weight of dry materials: 30%-60% of fly ash, 10%-30% of cement, 5%-20% of lime, 10%-80% of sodium sulfate decahydrate and 0.05%-0.2% of aluminum powder. The method for preparing the phase-change energy-storage heat-preservation composite material comprises the following steps: S1, uniformly dry-mixing the fly ash, the cement, the lime and the sodium sulfate decahydrate; s2, adding water into the dry mixture, and stirring to form slurry; s3, aluminum powder is added into the slurry, and the mixture is poured into a mold after being stirred; s4, standing and aerating to form a porous blank body; s5, the blank body is subjected to maintenance; and S6, cooling and post-processing to obtain a finished product. According to the phase-change energy-storage thermal-insulation composite material and the preparation method thereof provided by the invention, the fly ash is used as a main raw material, the process is simple, and the phase-change energy-storage thermal-insulation composite material has the advantages of excellent phase-change energy storage and temperature regulation functions.

The invention relates to the technical field of composite materials, and discloses a high-temperature hydrophobic aerogel composite material and a preparation method thereof. The aerogel composite material is prepared from the following raw materials: epoxy resin, diluent, curing agent, anti-ultraviolet additive, flame retardant additive, high-temperature resistant aerogel, composite additive, and functional additive component. By adding high-temperature resistant aerogel, composite additive and functional additive component into epoxy resin matrix, the prepared aerogel composite material has excellent thermal insulation performance, high temperature resistance, hydrophobicity, antioxidant performance and mechanical properties. The aerogel composite material can still maintain stability and reliability in a hot and humid environment, broadens the application scope of the aerogel composite material in the field of thermal insulation, and prolongs the service life of the aerogel composite material, and has broad application prospects.

The utility model provides a breathing tube and medical equipment. The breathing tube comprises an air guide tube, a supporting rib and a heating wire. The gas-guide tube is used for conducting gas; the supporting ribs are connected to the peripheral wall face of the gas guide pipe and spirally surround the gas guide pipe with the axis of the gas guide pipe as the center axis. The heating wire is spirally wound by taking the axis of the gas guide tube as a central axis; wherein the supporting rib is hollow, and the heating wire is located between an inner cavity of the air guide pipe and an inner cavity of the supporting rib. According to the breathing tube, through the hollow arrangement of the supporting ribs and the arrangement position of the heating wire relative to the supporting ribs, the weight is small on the premise that the same strength is guaranteed, the heat preservation and heat insulation performance around the heating wire can be improved, and the heating effect of the heating wire is better.