601results about "Insulation improvement" patented technology

The invention belongs to the technical field of building materials, and particularly relates to a building thermal insulation aerogel material and a preparation method, the aerogel material comprises the following components by mass: 25-35 parts of a silicon source, 40-80 parts of a solvent, 0.3-0.6 part of a catalyst, 4-13 parts of an aluminum source, 9-20 parts of reinforcing fibers, 4-10 parts of a modifier, and 20-40 parts of carrier fibers; the silicon source is ethyl orthosilicate or methyl trimethoxy silane; the solvent is absolute ethyl alcohol; the catalyst is hydrochloric acid or ammonia water; the aluminum source is aluminum nitrate nonahydrate or aluminum isopropoxide; the reinforced fibers are nano titanium dioxide fibers; the modifying agent is gamma-aminopropyl triethoxy silane or gamma-methacryloyloxy propyl trimethoxy silane, and the modifying agent is gamma-aminopropyl triethoxy silane or gamma-methacryloyloxy propyl trimethoxy silane; the carrier fiber is rock wool or mineral wool. According to the invention, the thermal insulation aerogel material for buildings, which is high in mechanical strength, good in weather resistance and excellent in thermal insulation performance, can be prepared, so that the requirements of the building industry on high-performance thermal insulation materials can be met.

The invention relates to the technical field of vacuum heat insulation materials, and discloses a pored polyurethane vacuum heat insulation panel and a preparation method thereof.The pored polyurethane vacuum heat insulation panel comprises a blocking layer and a core material, the blocking layer is arranged outside the vacuum heat insulation panel and sequentially comprises a protection layer, a cellulose base layer and a heat sealing layer from outside to inside, and the core material is arranged inside the vacuum heat insulation panel and located in the blocking layer; the core material takes open-cell polyurethane foam as a matrix, a nano-scale flame retardant and reinforced fibers are added to form a micropore open-cell structure, the protective layer is used for providing mechanical strength and puncture resistance, the cellulose base layer is used for blocking gas permeation, and the heat sealing layer is used for ensuring sealing performance. The perforated polyurethane vacuum insulation panel is stable in performance, good in heat insulation performance, low in gas permeability, low in water absorption performance and good in mechanical strength and durability, the service life of the vacuum insulation panel is prolonged through combination of the blocking layer and the core material, and the maintenance cost is reduced.

The present invention discloses a triaxially spun superelastic and high-temperature resistant composite carbon nanofiber aerogel and a preparation method thereof. The aerogel is formed by interweaving curly fibers with a core layer of carbon and a shell layer of oxide ceramic. The present invention utilizes electrostatic spinning technology to prepare composite carbon nanofiber aerogels. First, an inner layer polyacrylonitrile solution is prepared, and the water / alcohol ratio is adjusted to prepare a middle layer ceramic sol with controllable water content, thereby obtaining a spinning solution with compatibility in the initial spinning stage. The temperature and humidity of the airflow of the outer nozzle are then regulated, and the water content of the ceramic sol is further adjusted during the spinning process, so that the spinning solution becomes incompatible. The spinning solution jet is fast and solidified in advance, thereby obtaining a curly interwoven structure nanofiber aerogel precursor. Finally, the final product is obtained by changing the atmosphere and performing rapid and continuous heat treatment. The present invention solves the problems of insufficient mechanical properties and easy oxidation of carbon nanofiber aerogels. The preparation method is simple and easy to implement, and the process is continuous, and can be carried out on existing electrostatic spinning production equipment.

The utility model relates to the technical field of building energy conservation, in particular to a wall thermal insulation layer with a reinforcing effect, which comprises a waterproof breathable outer protective layer, a high-efficiency thermal insulation core material and a high-strength fiber reinforcing layer, the high-efficiency thermal insulation core material comprises a vacuum microbead composite board and aerogel, high-strength fiber reinforced layers are arranged on the two sides of the outer portion of the efficient heat preservation core material and comprise carbon fiber gridding cloth and a binding agent, the waterproof breathable outer protection layer comprises a macromolecule waterproof material and a micropore breathable layer, the micropore breathable layer is arranged in the macromolecule waterproof material, and the micropore breathable layer is arranged in the macromolecule waterproof material. According to the utility model, the multi-layer composite structure and the high-strength fiber reinforced layer are adopted, so that the thermal insulation layer has stronger wind pressure resistance and impact resistance, the stability in long-term use is ensured, and the strength is obviously improved.

The utility model relates to the technical field of vacuum heat insulation equipment, and discloses a support column for increasing heat conduction resistance, which comprises a vacuum heat insulation assembly. According to the supporting column capable of increasing the heat conduction resistance, heat conduction paths can be increased through the formed triangular holes instead of simple linear conduction, direct conduction of heat flow can be effectively disturbed due to the three-side angles of the triangular holes, heat can be conducted to the outer container from the inner container only through a longer path, and compared with a round or square hole, the heat conduction resistance is greatly improved. Triangular holes can guide the direction of heat flow, the propagation distance of the heat flow can be increased by turning back, so that the heat conduction resistance is improved, a higher heat insulation effect is achieved, the aerogel layer, the vacuum heat insulation plate, the polyurethane foam layer and the second aluminized polyester film are matched with one another, structural distribution of the gradually-changed heat insulation layer can be achieved, and the heat insulation effect is improved. The inner end and the outer end of the supporting column body are made of different materials and have different thicknesses, so that temperature difference transition is smooth, and thermal stress caused by overlarge temperature difference is avoided.

To solve the problem in which a 3 mm thick, ultra-thin insulation material utilizing aerogel, the first of the technologies supporting this invention, is an excellent material that exhibits high thermal insulation effect upon installation in building walls, ceilings, or floors even when used alone, yet its limited strength restricted its applications.SOLUTION: By sandwiching an aerogel insulation material, whose limited strength previously restricted its applications, between two layers of reinforced corrugated cardboard to form a plywood material, strength, which had been the biggest challenge, is enhanced. Furthermore, combining the inherent properties of aerogel and reinforced corrugated cardboard creates a synergistic effect. This not only further strengthens thermal insulation but also, while maintaining lightweight characteristics, provides soundproofing, moisture resistance, shock absorption, fire resistance, and fireproofing, etc. This dramatically increases applicability and versatility as a material.SELECTED DRAWING: Figure 1

The invention relates to the technical field of material compositing, and discloses a polyurethane composite insulation board with a good flame retardant effect, which comprises the steps of fireproof surface layer pretreatment, flame retardant core layer preparation, reinforced substrate layer treatment, lamination molding and post-treatment, by designing a unique three-layer composite structure and adopting a multi-component synergistic flame retardant system, the flame retardant effect is good, and the flame retardant effect is good. The heat insulation board can form a multi-stage flame-retardant barrier when encountering high temperature and open fire, the flame spreading speed is slowed down, the overall fireproof safety of the material is improved, and the durability and stability of the flame-retardant effect are enhanced through the synergistic effect of all the functional layers; through surface modification treatment on the functional reinforcing phase, the interface bonding force between the functional reinforcing phase and a polyurethane matrix is improved, so that the flame retardant and the reinforcing phase are uniformly dispersed in the matrix, and the performance defect caused by agglomeration is avoided, thereby enhancing the mechanical strength and structural integrity of the material while keeping excellent thermal insulation performance.

The invention provides a polyurethane composite aerogel sheet material as well as a preparation method and application thereof, and belongs to the technical field of building waterproof heat insulation materials. The polyurethane composite aerogel sheet material has a structure with a dense surface and a porous interior; the polyurethane composite aerogel sheet material is prepared from the following components in parts by weight: 100 parts of polyurethane, 5 to 15 parts of flaky micro-nano particles and 10 to 20 parts of spherical micro-nano particles. The polyurethane composite aerogel sheet material is prepared by the following steps: dissolving raw materials, carrying out solvent exchange in a poor solvent, and then drying. The polyurethane composite aerogel sheet provided by the invention has good capabilities of reflecting sunlight and emitting heat radiation through synergistic cooperation of materials and structures, improves the surface hydrophobicity, can achieve the effect of'energy-consumption-free refrigeration ', does not obviously affect the waterproof effect due to slight damage of the surface, also has a self-cleaning function, and is convenient to use. The material can be used as a building waterproof heat-insulating material.

The invention discloses a vacuum insulated panel keel heat preservation system adopting anchoring and bonding connection and a construction method thereof, relates to the technical field of wall body external heat preservation, and solves the problem that the heat preservation performance is reduced due to the fact that a heat bridge effect is easily caused by existence of gaps between panels and steel embedded parts in an existing vacuum insulated panel heat preservation wall body. The connecting structure comprises a plain concrete wallboard, a pre-embedded connecting sleeve assembly, a bonding layer, a vacuum insulated panel, an orthogonal keel unit assembly, a wrap angle connecting assembly and a plastering layer, wherein the plain concrete wallboard is connected with the vacuum insulated panel and the orthogonal keel unit assembly through the pre-embedded connecting sleeve assembly and the bonding layer; the vacuum insulated panel is located in a frame formed by mutual array connection of the orthogonal keel unit assemblies; the wrap angle connecting assemblies are connected to the corners of the orthogonal keel unit assemblies. The plastering layer is located on the outer side of the vacuum heat insulation plate and the orthogonal keel unit assembly. The keel units are made of GFRP materials, gaps between plates are isolated, the heat bridge effect is reduced, and the heat preservation performance of the whole wall is effectively improved.

The application provides a pressing equipment for processing insulation boards and a pressing method thereof, and relates to the field of board pressing. The equipment comprises a first box, a plurality of assemblies which are arrayed in the first box in parallel and contact with each other, and each assembly comprises a pressing plate base and four pressing plates corresponding to the top edges of the pressing plate base, wherein each pressing plate is rotationally connected to the corresponding top edge. An elastic member is arranged on each pressing plate base to support the pressing plate base in the first box. Two boards are sequentially placed in the first box, one of which is pressed on the top of part of the assemblies to form a groove, and the other board is placed in the groove and adheres to the board forming the groove. The rotation axes of the pressing plate bases and the pressing plates around the groove are higher than the two boards, so that the pressing plates not contacted by the adjacent pressing plates rotate downward and press against the top of the two boards.

The invention relates to a phase change microcapsule composite aerogel thermal insulation material and a preparation method thereof. The phase change microcapsule composite aerogel thermal insulation material comprises a phase change energy storage layer and a thermal insulation layer, the phase change energy storage layer is prepared from energy storage powder and an adhesive, and the phase change energy storage powder comprises a thermal insulation material, phase change microcapsules, a flame retardant and fibers; the heat preservation and insulation layer is prepared from heat preservation and insulation powder and an adhesive, and the heat preservation and insulation powder comprises a heat preservation material, a flame retardant and fibers; the adhesive comprises polyvinyl alcohol, boric acid and silica sol. The preparation method of the phase-change microcapsule composite aerogel plate comprises the following steps: preparing a bonding agent into a bonding solution by using water, a defoaming agent and a water repellent agent, mixing the energy storage powder with the bonding solution, mixing the heat preservation and heat insulation powder with the bonding solution, obtaining a plate blank by adopting a sectional double-roller process, and curing and drying to obtain the phase-change microcapsule composite aerogel plate. The microcapsules in the aerogel plate and the aerogel have a synergistic effect, the excellent heat preservation performance is continuously achieved in the phase change process and after phase change is completed, and heat conduction is effectively reduced.

The invention discloses an anti-dusting ablation-resistant silicon dioxide aerogel composite material based on multi-phase synergistic reinforcement and a preparation method of the anti-dusting ablation-resistant silicon dioxide aerogel composite material. The inorganic vermiculite powder reinforcement is introduced into the aerogel in situ, the particle size of vermiculite is controlled to realize anchoring-bridging dual effects, a three-dimensional interpenetrating network is formed by co-gelling with the organosilicon precursor solution and the fibrofelt, and the powder falling rate of the finally prepared silicon dioxide aerogel composite material is 1t; mg and Fe elements contained in the vermiculite can promote generation of a glass phase at a high temperature, and cooperate with the fiber felt to resist 1200 DEG C ablation. The density of the product can be controlled to be 200-350kg / m < 3 >, the heat conductivity coefficient is 0.025-0.040 W / (m.K), and the product is suitable for the field of aerospace thermal protection.

The invention discloses full-automatic edge folding and corner folding equipment for a VIP (vacuum insulation panel), relates to the technical field of packaging and corner folding of the VIP, and comprises a case used for performing corner folding treatment on a packaging bag on the outer side of the VIP in the packaging process. In the VIP heat insulation board packaging treatment process, corner folding equipment is used for conducting corner folding treatment on side bands existing on the sides of packaged VIP heat insulation boards, in the treatment process, robot transferring, full-automatic centering, full-automatic glue spraying, full-automatic edge folding and corner folding are adopted, accurate lossless edge folding is conducted through clamping and positioning, and the production efficiency is greatly improved. The non-destructive edge pressing is carried out through the attaching type push-pull mechanism, internal inclined type pre-bending is adopted in the angle bending aspect, leakage caused by a convex angle during rear end angle bending is prevented, the lifting clamping mechanism and the attaching type push-pull mechanism are still adopted during rear end angle bending, silica gel is arranged at the joint of the lifting clamping mechanism and the attaching type push-pull mechanism to serve as a contact point, and the damage to the surface is avoided. And meanwhile, the surface compactness and flatness after edge folding and angle folding are improved.

The invention belongs to the technical field of rock wool thermal insulation materials, and particularly relates to a high-strength thermal insulation rock wool board and a preparation method thereof. The high-strength thermal insulation rock wool board is prepared from the following raw materials in parts by weight: 65 to 72 parts of basalt, 10 to 15 parts of dolomite, 8 to 12 parts of iron ore, 3 to 8 parts of bauxite, 2 to 5 parts of limestone, 10 to 15 parts of aerogel powder and 4 to 7 parts of binder. The aerogel powder is prepared by the following preparation processes: mixing tetraethoxysilane, ethanol and water, adjusting the pH value to 2.5-4, and stirring under a heating condition to obtain silicon dioxide sol; the preparation method comprises the following steps: dispersing black phosphorene in water to obtain black phosphorene dispersion liquid; and mixing a black phosphorene dispersion liquid with the silicon dioxide sol to form a mixed solution, adjusting the pH value of the mixed solution to 8-10, standing, aging, freeze-drying and grinding to obtain the aerogel powder. The high-strength heat-preservation rock wool board has the advantages of low heat conductivity, low water absorption and excellent mechanical strength.

The invention relates to the field of building heat insulation coatings, and discloses a high-efficiency long-life organosilicon aerogel building heat insulation coating and a preparation method thereof, the high-efficiency long-life organosilicon aerogel building heat insulation coating comprises the following components: an organosilicon resin matrix, a multi-stage heat insulation composite filler, a curing agent and an auxiliary agent; the multi-stage heat-insulation composite filler is prepared from hydrophobic modified nano silicon dioxide aerogel particles and hollow glass beads, the hydrophobic modified nano silicon dioxide aerogel particles are subjected to surface modification treatment through a silane coupling agent, and stable chemical bonding is formed between the hydrophobic modified nano silicon dioxide aerogel particles and an organic silicon resin matrix; therefore, a micro-scale and nano-scale continuous and stable multi-stage pore heat insulation network is constructed in the coating; the mass ratio of the hydrophobic modified nano silicon dioxide aerogel particles to the hollow glass beads is (1: 0.5)-(1: 2); the heat conductivity coefficient of the coating is not higher than 0.025 W / m.K. Compared with the prior art, the thermal insulation coating has the advantage that the problem that the thermal insulation coating in the prior art is difficult to give consideration to long-acting thermal insulation performance and durability is solved.

The invention provides a high-strength sound-insulation fireproof composite board, and relates to the technical field of composite boards. The frame body is of an H-shaped structure, and aerogel is arranged at the two ends of the inner side of the frame body; the frame body is provided with the sound insulation plates, the sound insulation plates are symmetrically arranged at the two ends of the inner side of the frame body, noise sound waves penetrate through the fireproof plates and then are reflected and refracted multiple times in the spiral sound absorption holes, the sound wave propagation path is effectively disturbed, the efficient sound absorption characteristic of aerogel is matched, and a multi-stage attenuation mechanism for noise of different frequency bands such as high frequency and low frequency is formed. Compared with a traditional single-material sound insulation mode, the composite structure breaks through the bottleneck of sound insulation performance, can meet the noise reduction requirements in complex noise environments such as building decoration and industrial factory buildings, and solves the problems that a traditional board mostly depends on a single sound insulation material to achieve the noise reduction function, systematic acoustic structure design and the material synergistic effect are lacked, and the noise reduction effect is poor. The noise reduction requirements in complex noise environments such as high frequency, low frequency and the like are difficult to meet.

The invention relates to the technical field of heat insulation and preservation plates, and discloses an aerogel heat preservation composite plate which comprises a first glass fiber gridding cloth layer, an aerogel felt layer and a second glass fiber gridding cloth layer which are sequentially arranged in a stacked mode. The first glass fiber gridding cloth layer, the aerogel felt layer and the second glass fiber gridding cloth layer are sewn and connected through sewing threads, and a preparation method of the aerogel felt layer comprises the steps that firstly, cerium oxide is modified and grafted with a silane coupling agent, then graphene oxide and the silane coupling agent modified cerium oxide are dispersed with water, and the aerogel felt layer is obtained. Adding a liquid silicon compound into the mixture, adding a base catalyst to obtain sol, adsorbing the sol by using a porous reinforcing material, and then aging and drying to obtain the composite material. The aerogel insulation board is high in tensile strength and good in insulation effect.

The invention discloses a needle-punched glass fiber aerogel sound-absorbing plate which comprises the following components: 30-50% of a silicon dioxide aerogel precursor, 20-40% of a needle-punched glass fiber felt, 1-3% of a silane coupling agent, 0.5-1% of a dispersing agent, 0.2-0.5% of a defoaming agent, 3-8% of reinforced fibers and 2-5% of a binder. Through needled glass fiber mat reinforcement, silane interface modification and normal-pressure drying processes, collaborative optimization of high strength (compressive strength is greater than 0.64 MPa), high sound absorption performance (sound absorption coefficient is greater than 0.8) and low heat conductivity coefficient (0.018) of the material is realized. The preparation process is simple, the cost is low, and the material is suitable for noise treatment in the fields of buildings, automobiles, aerospace and the like and has remarkable economic benefits and environmental benefits.

The utility model relates to a vacuum plate structure, which is applied to the technical field of vacuum plates and comprises an aluminum plastic film, a core material and a getter, the aluminum-plastic film is provided with two layers, namely an upper aluminum-plastic film layer and a lower aluminum-plastic film layer, and the upper aluminum-plastic film layer and the lower aluminum-plastic film layer are annularly sealed; the core material is filled between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer, the getter is arranged between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer, and the space between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer is vacuumized; the aluminum-plastic film comprises a nylon protective layer, a first aluminum foil layer and a polyethylene PE layer which are sequentially stacked, and the polyethylene PE layer in the upper aluminum-plastic film layer and the lower aluminum-plastic film layer is arranged on the side close to the core material. The space between the upper aluminum plastic film layer and the lower aluminum plastic film layer is filled with the core material and the getter, and vacuumizing treatment is carried out, so that the sound insulation characteristic of the vacuum plate is improved; and the first aluminum foil layer in the aluminum-plastic film can improve the sound insulation index of high-frequency sound in the vacuum plate, reduce the air leakage rate and improve the durability of the vacuum plate.

The present invention provides an organic and inorganic composite flexible building thermal insulation floating coating, and relates to the technical field of building coatings, the organic and inorganic composite flexible building thermal insulation floating coating comprises 1-10% of a flexible thermal insulation component, 1-20% of a rigid thermal insulation component, 0.1-1% of a tough material, 10-20% of an emulsion, 1-3% of an auxiliary agent, and 52-55% of water, according to the technical scheme, a distributed matching and combined fusion scheme is adopted, so that the aerogel material is uniformly mixed in the floating coating, a building outer wall heat insulation layer is directly realized through a brushing scheme instead of a traditional aerogel material plate hanging scheme, the construction effect is improved, and the building construction difficulty is reduced.

The utility model discloses a vacuum heat insulation composite heat preservation and decoration integrated plate structure for a building inner wall, which relates to the technical field of building heat preservation and comprises a vacuum heat insulation composite heat preservation plate and a decoration plate. Protruding parts are arranged on the edges, opposite to the periphery of the vacuum heat insulation composite heat preservation plate, of the decoration plate, the protruding parts are used for installing a clamping and fixing assembly, rectangular edge grooves are formed in the periphery of the surface of the decoration plate, and the edge grooves are used for beautifying and installing the clamping and fixing assembly. According to the utility model, the decorative plate is arranged relative to the protruding part on the peripheral edge of the vacuum heat-insulation composite heat-preservation plate, so that the decorative plate can be corrected, mounted and stably fixed by using the adjustable clamping and fixing assembly, and the situation that the heat-preservation and decorative integrated plate deviates or falls off after being mounted is avoided; and the installation quality and stability of the heat preservation and decoration integrated plate are improved.

The embodiment of the utility model relates to a wallboard with an interlocking structure, a layer structure comprises an inner layer board, an aerogel coating and a facing board, so that the sound insulation and heat preservation effects of the wallboard are ensured; wherein a plurality of bulges are arranged on the outer side of the inner-layer plate; a plurality of grooves matched with the protrusions are formed in the inner side of the facing plate, and mechanical occlusal force is formed through the protrusions and the grooves. When the wallboard is used, in the y-axis direction of the straight line where the transverse ribs are located and the z-axis direction of the straight line where the vertical ribs are located, the wallboard resists an in-plane load through the mechanical meshing force of the convex ribs, the friction force of an overlapping interface and the bonding force of the aerogel coating; in the x-axis direction perpendicular to the transverse ribs and the vertical ribs, the wallboard resists out-of-plane loads through the mechanical occlusal force of the protrusions and the friction force of the overlapping interface, and therefore a three-direction interlocking mechanism of an existing heterogeneous material layer is formed, the strength of the wall is guaranteed, and the wall is not prone to falling off.

The utility model relates to the technical field of aluminum bamboo wood veneers, in particular to a fireproof composite silencing aluminum bamboo wood veneer for a multimedia space, which comprises an aluminum honeycomb core layer arranged in an aluminum layer, silicon dioxide aerogel is filled in the aluminum honeycomb core layer, heat insulation and silencing can be achieved, and a graphene fireproof coating expands after meeting fire, so that the fireproof composite silencing aluminum bamboo wood veneer is formed. And finally, water vapor is blocked through the PET film to enter the bamboo base layer, and the fireproof, sound-proof and damp-proof functions are achieved at the same time.

The invention belongs to the technical field of wall insulation materials, and provides a flame-retardant wall insulation board and a production process thereof. According to the invention, a composite matrix is constructed through a polyurethane prepolymer and bisphenol A epoxy resin, and an interpenetrating network is formed by crosslinking an epoxy group and isocyanate, so that the mechanical strength is improved; and a quaternary flame-retardant system coated with silica sol is adopted, so that gas phase-condensed phase synergistic flame retardance is realized. According to the preparation process, step curing is combined with axial vibration to promote filler arrangement, cell collapse is avoided, low-temperature ultrasonic dispersion guarantees uniform mixing of the nano filler, and the interface adhesion is enhanced through the correlative design of the embossing depth and the plate thickness. The flame retardant property of the obtained product reaches the V-0 level and far exceeds the requirement of the national standard B1 level, the heat conductivity coefficient is superior to that of mainstream products in the market, and the product has excellent heat preservation and heat insulation performance and high safety and has remarkable application value in the field of building heat preservation.

This invention discloses a production and construction method for a multi-layer thermally broken composite steel-framed exterior wall panel, belonging to the field of prefabricated steel structure building technology. The method includes the following steps: S1, pre-pressing radiant cooling ceramic decorative panels and vacuum insulation panels into an integrated decorative and thermal insulation panel; S2, setting inner steel ribs within a C-shaped steel frame; S3, setting embedded connectors at the upper part of the steel ribs and embedded load-bearing components at the lower part; S4, laying steel mesh at the C-shaped steel frame; S5, setting a composite insulation board and FRP connectors within a double-layer steel wire mesh in the C-shaped steel frame; S6, setting clamping plate and hook-reinforcement connectors within the joints of the integrated decorative and thermal insulation panel; S7, laying fiberglass mesh in the upper layer of microporous lightweight concrete of the exterior wall panel; S8, welding the root reinforcing bars of the threaded sleeve to the inner steel ribs. The steel frame and steel mesh-reinforced microporous concrete composite structure provided by this invention achieves high rigidity, integrity, and easy connectivity of the exterior wall panel.

The utility model discloses a multilayer composite enamel aluminum plate sound insulation and heat insulation structure which comprises a composite enamel aluminum plate body and installation lugs arranged on the two sides of the composite enamel aluminum plate body, and the composite enamel aluminum plate body comprises a base layer, a sound insulation layer, a heat insulation layer, a vacuum layer, a backing layer and a damp-proof layer. The composite enamel aluminum plate body is formed by compositing a base layer, a sound insulation layer, a heat insulation layer, a vacuum layer, a backing layer and a damp-proof layer. The weather resistance, the corrosion resistance and the structural strength of the enamel aluminum plate are improved by arranging the base layer, noise transmission can be reduced by arranging the sound insulation layer, meanwhile, the glass wool has good fireproof performance, so that the safety of the enamel aluminum plate is improved, the high-density glass wool can be recycled, and the cost is reduced. And the heat insulation layer is arranged, so that the heat insulation and durability of the enamel aluminum plate are improved.

The utility model discloses a high-strength vacuum heat insulation wallboard, which belongs to the technical field of building materials and comprises a bearing plate, an adhesion agent layer, an adhesive mortar layer, a vacuum heat insulation core plate, a heat insulation mortar layer and a plastering mortar layer which are sequentially arranged, and steel wire meshes are respectively embedded in the adhesive mortar layer and the heat insulation mortar layer. The vacuum heat insulation core plate is formed by arranging a plurality of vacuum core plate units, and the bearing plate is a cement-based fiber plate or a calcium silicate plate. According to the high-strength vacuum heat insulation wallboard provided by the utility model, the steel wire meshes are respectively arranged on the two sides of the vacuum heat insulation core board, the vacuum heat insulation core board is clamped between the steel wire meshes, and the bearing plates with high rigidity are additionally arranged on the basis of arranging the mortar layers, so that the strength of the heat insulation wallboard is improved.

The utility model discloses an assembly type wall sound insulation structure, a wall comprises a sound insulation box, fixing plates and a frame, a vacuum sound insulation cavity is arranged in the sound insulation box, the fixing plates are symmetrically welded on two sides of the sound insulation box, the frame is welded on the outer sides of the fixing plates, a clamping groove is arranged in the frame, and the frame is connected with sound insulation cotton in a clamping mode through the clamping groove. The wall has the advantages that the wall is directly assembled, convenience and rapidness are achieved, the vacuum structure in the soundproof box can effectively guarantee the soundproof effect, meanwhile, the soundproof box and the soundproof cotton are mutually staggered and compensated at the joint of the two adjacent assembled walls, and the soundproof box and the soundproof cotton are mutually staggered and compensated, so that the soundproof effect can be effectively guaranteed. Therefore, the sound insulation effect at the gap after the wall body is spliced is ensured.