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 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 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.

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 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.

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 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 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.

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.