34results about How to "Efficient thermal insulation" patented technology

The invention discloses a kind of new industry dope. It comprises such materials as 95 - 105 weight shares of Component A, and 1 - 3 weight shares of Component B; thereinto, Component A is made from following weight percents of materials: cementing agent 30-60%, pigment 12 - 30%, filling agent 10 - 30%, auxiliary agent 0.1 - 5%, compound nanometer dispersing agent 5 - 15% and solvent 10 - 25%; Component B is comprised of catalyzed membrane forming agent - nanometer Sb2O3 and mixed organic solvent carriers. The invention firstly brings nanometer Sb2O3 into high temperature heat preservation dope as catalyzer in dope membrane forming process. The dope of the invention has following advantages: it has high temperature heat preservation and heavy anticorrosion performances, and the coat has good acid resistance, alkali resistance, salt mist resistance, oil resistance, chemical reagent resistance, waiting resistance and ultraviolet resistance; it has excellent fire protection and waterproof performance; the clinging strength of smearing membrane is good, membrane forming speed is fast, and performance is stable.

A composite foamed cement slab is composed of a main frame made of steel or concrete, a foamed cement core, a steel truss in the foamed cement core and connected to the main frame, and the surface layer reinforced by anticracking material. Its advantages are high heat-insulation and sound-proofness, high resistance to cracking, impact, water, acid and alkali, high durability and weatherability, light weight and low cost.

A composite building plate able to bear load is composed of the external frame, foamed cement layer filled into the frame, and surfacial layers, and features that several steel columns or beams are unidirectionally arranged in the frame, which have through holes for allowing the foamed cement to penetrate through them. Its advantages are light weight, high weatherability, insulation to heat and sound, and resistance to water, acid and alkali, and low cost.

The invention, belonging to the field of building materials, particularly relates to a lightweight thermal insulation sheet material for building walls. The thermal insulation sheet material comprises the following ingredients: 8.5-10.5 weight portions of fly ash floating bead, 30-38 weight portions of closed cell perlite, 43-52 weight portions of cement, 7-8.5 weight portions of bentonite, 0.04-0.06 weight portions of cellulose ether, 0.07-0.09 weight portions of short fiber, 0.04-0.06 weight portions of wood fiber, and 0.3-0.4 weight portions of gelatine powder. The thermal insulation sheetmaterial is prepared by using organic materials, and has the characteristics of no toxicity, good thermal insulation property, high temperature resistance, low temperature resistance, non-inflammableproperty, high efficiency, and aging resistance. When the thermal insulation sheet material is used for building walls, the thermal insulation property of the sheet material can not be reduced with time, and the sheet material has the same service life with the building.

The invention discloses felt of a vacuum insulation panel, a preparation method for the felt, and a vacuum insulation panel using the felt. The felt is the fibro-felt containing glass fibers. The felt is composed of 80-99wt% of chopped glass fibers, 1-20wt% of bio-soluble inorganic cotton and 0.1-11.1wt% of solidified adhesives. The chopped glass fibers intersect with each other in a filament manner, and a few of the chopped glass fibers extend in the direction close to the thickness direction of the felt. On the extension plane of the felt, the chopped glass fibers distributed close to the X direction are more than the chopped glass fibers distributed closed to the Y direction, and the average tension-resistant force of the felt in the X direction is larger than that in the Y direction. The bio-soluble inorganic cotton bypasses, overlaps or intersect with the adjacent chopped glass fibers in a filament manner. The adhesives are dispersed between the two kinds of filaments, are tightly bonded with the filaments, and do not exist alone. The average diameter and the average length of the chopped glass fibers are 6.1-30 [mu]m and 2.5-25mm respectively. The diameter of bio-soluble inorganic cotton fibers is 1 / 30-1 / 3 of that of the chopped glass fibers, and the average fiber length of the bio-soluble inorganic cotton is twice to 20 times of that of the chopped glass fibers. According to the invention, the damage to human bodies due to generated MMVFs fiver dust can be effectively avoided or reduced.

A pipeline for the transportation of a cryogenic liquid, thermally insulated and comprising three coaxial pipes formed of sections, one inner pipe made of a material having a low thermal dilation coefficient, a middle pipe and an outer pipe made of steel, the annulus space between the inner pipe and the middle pipe being provided with thermal insulation, wherein: the pipes are linked two by two using linking parts so as firstly to join the sections of each respective pipe and secondly to take up the loads produced by thermal contraction when the pipes change temperature. the section of the middle pipe is of a sufficient length such that when assembled, in cooperation with the linking parts, it prevents the formation of a thermal bridge between the inner and outer pipes.

The invention relates to the technical field of a preparation method of graphene-based light heat-insulating wave-absorbing material and particularly relates to a preparation method of a graphene-based light heat-insulating wave-absorbing material. According to the preparation method, the magnetic nanoparticles and graphene are compounded, the light composite heat-insulating wave-absorbing material is prepared through the technological processes of pretreatment, graphene oxide surface modification, graphene oxide aqueous solution preparation, composite aerogel synthesis and the like. The powder is simple in preparation process, low in production cost and convenient for industrial production, the prepared heat-insulating wave-absorbing material has excellent electromagnetic wave absorptionperformance in a frequency band range of 2GHz to 18GHz, meanwhile, the heat insulation effect can be comparable with that of polymer foam commonly used in the current building field, the efficient heat preservation and heat insulation and a good electromagnetic wave absorption function of a single light material can be achieved, and material technical support is provided for heat management and electromagnetic environment purification of buildings.

The present invention relates to liquid insulating device, and is especially one kind of thermos kettle with high heat insulating performance, simple structure and fine decoration. The structure of the thermos kettle includes at least one kettle body, one kettle cover and one kettle spout extending outwards from the kettle body. The kettle body in improved structure is one three-layer structure comprising inner container of metal material, filler layer of heat insulating material and outer casing of ceramic material.

The invention belongs to the field of building material and specifically relates to a light heat insulation decoration plate with decoration function for building wall insulation and a preparation method thereof. The heat insulation decoration plate comprises a heat insulation blank body and a decoration coating sprayed to the outer layer of the heat insulation blank body; and the heat insulationblank body is prepared by closed cell perlite, fly ash floating bead, cement, bentonite, cellulose ether, short fiber, wood fiber and rubber powder in parts by weight. The heat insulation blank body of the heat insulation decoration plate is formed by processing inorganic material and is light in weight, insulated and longer in service life; the cosmetic layer with the preset pattern is sprayed to the outer surface of the heat insulation blank body, so that integration of the heat insulation plate and the decorativeness is realized; and the problem that the current inorganic heat insulation decoration plate is heavy and easy to drop is solved as well.

The invention relates to a Portland cement foaming heat preservation board or a block and a manufacturing method thereof. The Portland cement foaming heat preservation board or the block is capable of strengthening heat insulation and heat preservation performances. The Portland cement foaming heat preservation board or the block is prepared by raw materials of, by weight, 99 parts of Portland cement, 5 parts of saturated aluminum sulfate, 1 part of water reducing agents and 0.5-1 part of hydrogen peroxide, the Portland cement, the saturated aluminum sulfate and the water reducing agents are proportionally taken and then placed in a mixer, water is added into the mixer to be mixed with the raw materials and then stirred for 5-10 minutes to prepare a foaming cement slurry, the water is added according to the weight ratio of the water to the raw materials of 100: (60-80), the hydrogen peroxide is proportionally taken, water is added to the hydrogen peroxide, the hydrogen peroxide and the water are subjected to pre-foaming to manufacture foams by means of a foaming machine, the water is added according to the weight ratio of the hydrogen peroxide to the water of 0.01: 1, the foams and the foaming cement slurry are placed into a foam stirrer for even stirring, the mixture is injected to a mold for solidification molding, and the mold is removed to obtain the density Portland cement foaming heat preservation board or the block. Portland cement enables a solidified board to form a foaming structure under the action of the hydrogen peroxide so that weight of walls is reduced, and the heat insulation and heat preservation performances are strengthened.

The invention discloses a thermal-insulation nanometer cement coating, which comprises the following raw materials by weight: 40-50 parts of silicate cement, 12-18 parts of modified nanometer silica,10-12 parts of graphite powder, 8-10 parts of nanometer silver-graphene, 3-5 parts of borax, 6-9 parts of a foam stabilizer, 8-10 parts of Fe3O4 nanoparticles, 0.3-0.5 part of an antioxidant, 0.4-0.6part of an antifoaming agent, and 2-4 parts of a filler. According to the present invention, through the synergistic effect of the silicate cement and the modified nanometer silica, the thickening time and the setting time can meet the deep-well cement squeeze construction safety requirements; the graphite powder and the nanometer silver-graphene can improve the penetration ability of the nanometer cement so as to effectively block the deep stratum; through the synergistic effect of the foam stabilizer and the filler, the cement coating has efficient thermal insulation performance; and the material of the coating has advantages of strong weathering resistance, strong adhesion and impact resistance, and the surface hardness is Mohs 6-7, such that the use range is expanded.

The invention discloses felt of a vacuum insulation panel, a preparation method for the felt, and a vacuum insulation panel using the felt. The felt is the fibro-felt containing glass fibers. The felt is composed of 80-99wt% of chopped glass fibers, 1-20wt% of bio-soluble inorganic cotton and 0.1-11.1wt% of solidified adhesives. The chopped glass fibers intersect with each other in a filament manner, and a few of the chopped glass fibers extend in the direction close to the thickness direction of the felt. On the extension plane of the felt, the chopped glass fibers distributed close to the X direction are more than the chopped glass fibers distributed closed to the Y direction, and the average tension-resistant force of the felt in the X direction is larger than that in the Y direction. The bio-soluble inorganic cotton bypasses, overlaps or intersect with the adjacent chopped glass fibers in a filament manner. The adhesives are dispersed between the two kinds of filaments, are tightly bonded with the filaments, and do not exist alone. The average diameter and the average length of the chopped glass fibers are 6.1-30 [mu]m and 2.5-25mm respectively. The diameter of bio-soluble inorganic cotton fibers is 1 / 30-1 / 3 of that of the chopped glass fibers, and the average fiber length of the bio-soluble inorganic cotton is twice to 20 times of that of the chopped glass fibers. According to the invention, the damage to human bodies due to generated MMVFs fiver dust can be effectively avoided or reduced.

The invention discloses an FRP and reinforced plastic co-extruded door and window profile comprising a lining made of FRP. The outer surface of the lining is wrapped by a surface layer made of hard plastic in the co-extruded mode, the lining is provided with a cavity, and a reinforcing rib is disposed in the cavity. The wall surface of the cavity and the surface of the reinforcing rib are respectively provided with a low-radiation layer. The strength and the heat insulation performance of the profile are improved, and the cost is low.

An insulation board with the bending property for a liquefied gas low-temperature storage tank comprises an elastic foam plastic layer, a mixed foam plastic layer, a glass filter cloth layer, a foam plastic layer and a protection layer which are sequentially arranged from outside to inside. All the layers are arranged in the axial direction in a step manner, that is, a first step is formed by the mixed foam plastic layer relative to the elastic foam plastic layer, and the glass filter cloth layer, the foam plastic layer and the protection layer are combined to form a second step relative to the mixed foam plastic layer. The insulation board is used for being mounted in a specified area of the storage tank, and a closed heat insulation layer is formed in the specified area of the storage tank by means of tight cooperation of insulation boards. The insulation board has the beneficial effects of being convenient to mount, excellent in performance and efficient in production.

The invention belongs to the technical field of building external walls, and discloses a novel building external wall system. The novel building external wall system comprises a building external wall, a semiconductor refrigeration external wall panel, a power supply device, a heat exchange assembly and a temperature detector, wherein the two sides of the building external wall are provided with a building indoor side space and a building outdoor side space correspondingly, the semiconductor refrigeration external wall panel is arranged in the building outdoor side space of the building external wall, a cavity is defined between the semiconductor refrigeration external wall panel and the building external wall, the power supply device can switch the power supply electrical polarity and supplies power to the semiconductor refrigeration external wall panel, the heat exchange assembly is connected between the cavity and the building indoor side space and adjusts the temperature of the building indoor side space according to the temperature of the inner surface of the semiconductor refrigeration external wall panel, and the temperature detector is used for detecting the temperature of the building outdoor side space, the inner / outer surface temperature of the semiconductor refrigeration external wall panel and the temperature of the building indoor side space. In conclusion, the novel building external wall system has the advantages that the semiconductor refrigeration external wall panel and a control system are arranged on the building external wall , and due to the thermal-electric effect, indoor and outdoor temperature transfer of a building is effectively avoided.

The invention provides microwave curing equipment and curing process for the production of insulation boards. The curing process is implemented by the microwave curing equipment. The microwave curingequipment comprises a microwave unit, a conveyor belt unit, an air outlet system and a hot air system, wherein the microwave unit is of a cavity structure, the conveyor belt unit carries materials after spraying an adhesive into a microwave unit cavity, and the adhesive is heated and cured through microwave by the microwave unit; the air outlet system communicates with the microwave unit, steam generated by microwave heating is discharged through an air outlet pipeline to the hot air system, and after the steam is burned by the hot air system, the hot air generated after burning is sent back to the microwave unit. According to the microwave curing equipment and curing process, the problem of low heating efficiency of low thermal conductivity materials by using traditional heat sources is solved, the microwave heating method is utilized, the energy utilization rate is greatly increased, the curing cycle of composite materials is shortened, and thus mass assembly line production is possible.

Disclosed is a nano flame retardant and thermal insulating insulation material. The material incudes a core nano composite thermal insulating material and a surface strengthening protective layer. Thenano composite thermal insulating material is a multilayer composite material based on a nano-balloon reflective layer. The surface strengthening protective layer includes a high temperature surfaceand remaining protective surfaces except the high temperature surface. The high temperature surface is inorganic fiber cloth after flame retardance treatment. The remaining protective surfaces are inorganic fiber cloth after inorganic nanosol treatment. According to the invention, the inorganic fiber cloth is treated by nanosol, which greatly increases the strength of the surface protective layer.A composite structure of a core combines the advantages of thermal insulation performance and mechanical properties of a plurality of thermal insulating materials, has strong adaptability, and is suitable for a plurality of equipment and environments.

The invention discloses an inverted-U-shaped heat insulation board having the bending characteristic and used for a liquefied gas low-temperature storing tank. The inverted-U-shaped heat insulation board comprises an elastic foamed plastic layer, a mixed foamed plastic layer, a glass fiber cloth layer, a foamed plastic layer and a protection layer, all of which are sequentially arranged from outside to inside. All the layers are arranged in a step shape in the axial direction, in other words, the mixed foamed plastic layer forms a first step relative to the elastic foamed plastic layer, and the glass fiber cloth layer, the foamed plastic layer and the protection layer are combined into a whole to form a second step relative to the mixed foamed plastic layer. The heat insulation board is used for being installed in a specified area of the storage tank, and due to tight cooperation among all heat insulation boards, an airtight heat insulation layer is formed in the specified area of the storage tank. In addition, the inverted-U-shaped heat insulation board has the beneficial effects of being convenient to install, excellent in performance and efficient in production.

The invention provides an anti-beating structure suitable for the outer wall of a prefabricated building, which includes a thermal insulation board, a cover layer and an L-shaped embedded part. The L-shaped embedded parts include the intersecting inner arm and outer arm. The length of the outer arm is greater than the thickness of the insulation board. The outer arm is perpendicular to the thickness direction of the insulation board. It is close to the outer wall of the cover layer and connected to the inner arm. One end is facing the inner side of the insulation board, and the free end of the inner arm is facing the center of the insulation board. The insulation board, the cover layer and the L-shaped embedded part are connected as a whole through the connecting piece pierced by the L-shaped embedded part. The insulation board includes 100 parts of inorganic fiber and 1-13 parts of phenolic resin. The present invention proceeds from the two aspects of structural design and research and development of new fire-proof and heat-preservation materials. Through reasonable structure layout, the structure of the anti-beating structure is simple, and the outer wall is convenient to process. Combined with new heat-preservation materials, it greatly improves fire prevention, isolation, and tensile strength. pull performance.

The invention provides a thermosetting aerogel modified polystyrene board, a preparation method thereof and building wall, relates to the technical field of building materials of polystyrene board. The thermosetting aerogel modified polystyrene board is mainly made of expandable polystyrene, thermosetting resin, curing agent and coating material, wherein the coating material comprises flame retardants with specific ratios and silica aerogel, since the silica aerogel has the characteristics of low thermal conductivity, low density, high porosity, good fire resistance and the like, and the silica aerogel is added into a thermosetting aerogel modified polystyrene board, so that the thermosetting aerogel modified polystyrene board also has a lower thermal conductivity, and can achieve the effect of good heat preservation and heat insulation performance under a thinner thickness, and is light in texture; in the same condition as the heat preservation requirement, the thickness of the traditional thermal insulation material is reduced by 50 percent; the thermosetting aerogel modified polystyrene board presents a thermosetting property, the volume is substantially constant when the fire is burning, the volume is not flowing, the fire is self-extinguishing, the fire resistance is excellent, and the fire-resistant A-grade standard can be met.

The invention provides an efficient heat-preservation wood-plastic wallboard. The efficient heat-preservation wood-plastic wallboard comprises a heat-insulation wood-plastic layer, a heating wood-plastic layer and a wood-plastic frame, wherein the heating wood-plastic layer is mounted above the heat-insulation wood-plastic layer; the wood-plastic frame is mounted on the side faces of the heat-insulation wood-plastic layer and the heating wood-plastic layer in a surrounding manner; the heating wood-plastic layer comprises wood-plastic strips and mounting pipes; a plurality of groups of the wood-plastic strips are arranged; and the mounting pipes are inserted into the plurality of groups of the wood-plastic strips. According to the efficient heat-preservation wood-plastic wallboard provided by the invention, the mounting pipes are mounted in a heating wood-plastic board and heating wires are inserted; when the wallboard is paved, the heating wires can be inserted into the mounting pipes of a plurality of boards through holes; when the weather is cold, heat is provided by heating and the inner constant temperature is kept; a certain noise can be weakened by utilizing the effect of a cavity and a zigzag channel is formed in the cavity through staggered heat-insulation sheets, so that the heat is prevented from being dissipated; heat-preservation cotton in a heat-insulation cavity is matched so that the heat on the inner side is further prevented from being dissipated; and the efficient heat-preservation wood-plastic wallboard has efficient heat-preservation performance.

The invention provides a microwave curing equipment and curing process for the production of insulation boards. The curing process is implemented by microwave curing equipment; the microwave curing equipment includes a microwave unit, a conveyor belt unit, an air outlet system and a hot air system. The microwave unit has a cavity Structure, the conveyor belt unit carries the material after spraying the adhesive into the cavity of the microwave unit, and the microwave unit heats and solidifies the adhesive through microwaves; the air outlet system is connected with the microwave unit, and the steam generated by microwave heating is discharged through the air outlet pipe to the hot air system, and the hot air After the system combusts the steam, it returns the hot air generated by the combustion to the microwave unit. The equipment and process in the present invention solve the problem of low heating efficiency of low thermal conductivity materials by using traditional heat sources, and the use of microwave heating greatly improves energy utilization, shortens the curing cycle of composite materials, and makes mass assembly line production possible.

The invention discloses a plateau wear-resistant and rolling-resistant soft thermal insulation material and a preparation method thereof, the thermal insulation material comprises a first rolling-resistant, tear-resistant, corrosion-resistant and wear-resistant coating and a second rolling-resistant, tear-resistant, corrosion-resistant and wear-resistant coating, and a thermal insulation interlayer is arranged between the first rolling-resistant, tear-resistant, corrosion-resistant and wear-resistant coating and the second rolling-resistant, tear-resistant, corrosion-resistant and wear-resistant coating; the thermal insulation interlayer is prepared from the following components: 55 to 60 parts of natural rubber, 25 to 30 parts of butadiene styrene rubber, 2 to 5 parts of ethylene-octylene copolymer, 20 to 25 parts of ethylene-butyl acrylate copolymer, 5 to 10 parts of ethylene-vinyl acetate copolymer, 1.2 to 1.5 parts of graphene, 3 to 5 parts of modified glass fiber, 0.1 to 0.3 part of foaming agent, 6 to 8 parts of polyethylene wax, 1 to 2 parts of maleic anhydride grafted polypropylene, 4 to 5 parts of coupling agent and 6 to 8 parts of antioxidant. The thermal insulation material disclosed by the invention has high thermal insulation performance, also has wear resistance and rolling resistance, meets the up-and-down rolling requirements of the armored car, and isolates heavy equipment from losing heat from the ground.

The present invention provides a new type of integrated fire protection isolation belt for fire protection decoration, which is laid on the building exterior wall (1), corresponding to the height area of ​​the floor slab between floors, and is in the shape of a belt surrounding the wall, extending from the building exterior wall (1) to the The outer layer includes a bonded mortar layer (2) and a fireproof insulation board layer (3) in sequence, and fireproof insulation boards are closely arranged in the fireproof insulation board layer (3), and the fireproof insulation board includes a heat preservation board (31), a cover layer (32) And L-shaped fixture (33), cover layer (32) is a metal plate, and insulation board (31) is the fireproof insulation board that glass fiber and water-soluble phenolic resin prepare. The fireproof isolation board layer in the fireproof isolation belt of the present invention can be prefabricated, which reduces the difficulty of on-site construction. The adhesive mortar layer covers the outer wall in an all-round way, the structure design of the fireproof isolation board and the new insulation board improve the fireproof performance. Compared with the existing The fireproof isolation system of the present invention has the advantages of simple structure, convenient construction, good fireproof and thermal insulation performance, and is beneficial to popularization in the construction field.

The invention relates to the field of sealing assemblies, in particular to a multifunctional sealing assembly and a preparation method thereof. The invention discloses a multifunctional sealing assembly. The sealing assembly is composed of a sealing component and a curing component. The curing component is a curing agent; the sealing component is prepared from the following components comprising,by weight, 30 to 40 parts of mercapto-terminated liquid nitrile rubber, 20 to 50 parts of epoxy resin, 3 to 5 parts of a flame retardant, 3 to 8 parts of an antistatic agent, 3 to 8 parts of a plasticizer, 0.01 to 0.1 part of an anti-ultraviolet agent, 0.05 to 0.5 part of a dispersant, 0.06 to 0.16 part of diethylene glycol monobutyl ether and 0.03 to 0.16 part of 4-amino-3-methylphenol. The invention solves the problem of preventing or reducing the adverse effect of environmental conditions on the reliability of electrical products. The multifunctional sealing assembly disclosed by the invention has flame-retardant and antistatic properties, and is expected to replace traditional fireproof cement gum, inorganic plugging materials and the like with poorer properties.

The invention relates to a construction structure for horizontal spliced seams of vertical joints of a sandwich thermal insulation wall. One gap is reserved between a lower internal wall and an upperinternal wall, one end of a composite floor slab is placed on the lower internal wall, the height of first concrete poured in a lower thermal insulation wall is located at the floor elevation position, the first concrete and a cast-in-place floor slab above the composite floor slab are of an integrated structure, and the floor elevation position is lower than the lower ends of the upper internal wall and an upper external wall; and a space between the floor elevation position and the bottom of the upper internal wall is subjected to form sealing by using square battens, the square battens arefixedly connected with the upper internal wall and the first concrete, and second concrete is poured into an upper thermal insulation wall. The construction structure for the horizontal spliced seamsof the vertical joints of the sandwich thermal insulation wall simplifies the form erecting procedure of an outer side formwork, improves the construction convenience and construction efficiency of the horizontal spliced seams of the vertical joints of the sandwich thermal insulation wall, meanwhile, the waterproof and thermal insulation performance of the spliced seam is improved, the external spliced seams are located at the floor elevation or above and form an internal-external height difference with internal plate spliced seams, and floor elevation concrete pouring is facilitated.

The invention, belonging to the field of building materials, particularly relates to a lightweight thermal insulation sheet material for building walls. The thermal insulation sheet material comprises the following ingredients: 8.5-10.5 weight portions of fly ash floating bead, 30-38 weight portions of closed cell perlite, 43-52 weight portions of cement, 7-8.5 weight portions of bentonite, 0.04-0.06 weight portions of cellulose ether, 0.07-0.09 weight portions of short fiber, 0.04-0.06 weight portions of wood fiber, and 0.3-0.4 weight portions of gelatine powder. The thermal insulation sheetmaterial is prepared by using organic materials, and has the characteristics of no toxicity, good thermal insulation property, high temperature resistance, low temperature resistance, non-inflammableproperty, high efficiency, and aging resistance. When the thermal insulation sheet material is used for building walls, the thermal insulation property of the sheet material can not be reduced with time, and the sheet material has the same service life with the building.

The invention relates to the technical field of novel functional materials for construction, and more particularly, to a method for preparing a graphene-based lightweight heat-insulating wave-absorbing material. The magnetic nanoparticles are compounded with graphene, and a lightweight composite heat-insulation / wave-absorbing material is prepared through technological processes such as pretreatment, graphene oxide surface modification, graphene oxide aqueous solution preparation, and composite aerogel synthesis. The powder preparation process is simple, the production cost is low, and it is convenient for industrial production. The prepared thermal insulation / wave absorbing material has excellent electromagnetic wave absorption performance in the frequency range of 2 GHz to 18 GHz, and the thermal insulation effect can be comparable to the current general construction field. Polymer foam, a single lightweight material can not only efficiently maintain heat and heat insulation, but also have good electromagnetic wave absorption function, providing material technical support for thermal management of buildings and purification of electromagnetic environment.

A thermal-insulation storage for finished asphalt comprises a storage body and a discharge door. The discharge door is disposed at a discharge outlet of the storage body. The discharge door is opened or closed to control discharging and closing of the storage. The thermal-insulation storage for finished asphalt is characterized in that a thermal insulation device and a heating device are disposed on the wall of the storage body. The thermal insulation device comprises a frame and heat transfer oil, the frame is attached to the wall of the storage body, and the heat transfer oil is filled into the frame. The frame is provided with an oil filling hole, an observation hole and an oil discharging hole. A first stopper is fitted to the observation hole. A second stopper is fitted to the oil discharging hole. The heating device comprises a heater extending into the frame and a thermostatic switch in linkage with the heater. The heater heats the heat transfer soil within a set temperature range set through the thermostatic switch. The thermal-insulation storage for finished asphalt is effective in heating and thermal insulation and guarantees production continuousness of a mixing plant by means of efficient thermal insulation of thermal insulation cotton and reliable heat carrying of the heat transfer oil, and meets the construction requirement on long-term storage of finished asphalt.

The invention discloses a preparation device and process of warm-keeping high-hygroscopicity sweat-releasing polyester fabric. The device comprises a textile machine, a dewatering machine, a dyeing machine, a scutcher, a setting machine and a steel reed device in the textile machine; the steel reed device comprises an upper steel reed frame, a lower steel reed frame, first limiting blocks, secondlimiting blocks, first springs and steel reed wires, the upper steel reed frame and the lower steel reed frame are parallel to each other, and the parallel steel reed wires are inserted between the upper steel reed frame and the lower steel reed frame, and the lower ends of the steel reed wires are limited to the lower steel reed frame through the second limiting blocks connected with the steel reed wires; a steel reed device in the textile machine in the prior art is improved, so that gaps among yarns are greatly reduced in the initial stage of the process, and when people use the polyester fabric as clothes, since the gaps of the polyester fabric are adjusted through the steel reed device, the internal heat of the human body cannot be easily discharged to the exterior, and therefore theefficient heat preservation performance is achieved.