1550results about How to "Guaranteed insulation effect" patented technology

The invention discloses an electric pressure cooker achieving non-self-reset pressure relief. The electric pressure cooker achieving non-self-reset pressure relief structurally comprises an electric pressure cooker body, a housing, a base, an inner groove, a remote wifi receiver, a variable-frequency controller, a battery plate, a heat insulation plate, a heating plate, a temperature sensor, an aluminum alloy panel, an inner container, a protective cover and an air escape valve, wherein the housing is arranged on the electric pressure cooker body, the base is arranged below the housing, the inner groove is formed in the surface of the base, the inner groove is fixedly connected with the housing through the base, and the remote wifi receiver is arranged in the inner groove. By arranging theremote wifi receiver, the variable-frequency controller and the battery plate, the heating plate behind the heat insulation plate can be remotely opened, the movable plate can be opened by utilizingthe impact force of pressure and arranging the movable plate on the surface of the air escape valve under the situation of too high air pressure, the heat insulation effect of an inner container coreis ensured by arranging a vacuum interlayer with medical stones, and the electric pressure cooker is simple in structure and easy to achieve.

The invention discloses a vacuum glass with mounting holes, which is compounded from two or multiple glass plates, wherein the peripheries of two or multiple glass plates are mutually sealed hermetically by sealing edges; adjacent glass plates on the inner sides of the sealing edges are vacuumized; the vacuum glass is also provided with mounting holes; and the mounting holes penetrate through thetwo or multiple glass plates and are isolated from vacuum space on the vacuum glass. Since the vacuum glass is provided with the mounting holes, the vacuum glass can be installed and fixed after connecting pieces penetrate through the mounting holes, therefore a high-cost border is not used any more, convenience is brought for the installation of the vacuum glass, and the vacuum glass can be fixed more flexibly. In addition, a plurality of connecting pieces are used for fixing the vacuum glass, so that the section of a metal piece penetrating through the vacuum glass is greatly reduced, heat bridge effect is effectively lowered, and the heat insulation and sound-proof effects of the vacuum glass can be guaranteed. In addition, connecting pieces with the broken bridge heat insulation structure are easy to use, and cost is lower.

The invention discloses a dry-hanging curtain wall for thermal insulation and decoration and an installation technique thereof, which essentially comprises a 'duplex F' shape installation hanging part; the radial frameworks and the zonal frameworks of the 'duplex F' shape installation hanging part are vertically arranged; a first layer of the radial frameworks with two or more than two layers is level to the zonal frameworks and the radial framework at the last layer is at a certain distance from the tail end of the zonal framework; the width and thickness of the radial frameworks at every layer can be equal or not. Insulation boards can be fixed in a point-typed installation and location method by the installation hanging part, thus overcoming the defects of the prior art, providing an installation technique of the thermal insulation and decoration curtain wall without installing the horizontal and the vertical joist, simplifying the installation procedure, saving the installation raw materials and cost and overcoming the defect that the rain leakage is easy to happen in the splicing seam of the insulation board adopting the traditional method.

The invention discloses a making method of high-purity solidified carbon cushion in the silicon crystal growing stove, which is characterized by the following: selecting flexible cushion with low metal impurity as blank material; disposing under high temperature to form graphite cushion; using graphite cushion as blank; solidifying the blank to shape with evenly permeable hardener; carbonizing the blank; proceeding chemical gas-phase deposition for blank; cutting part of element surface mechanically; disposing blank under high temperature; removing metal impurity and volatile substance; coating the working piece; strengthening the element surface; improving the corrosion resistant of blank surface.

The invention discloses high-viscosity continuous casting protective slag for solving slag inclusion on the surface of low-carbon steel. The protective slag comprises the following raw materials by weight percent: 0%-7% of glass powder, 50%-70% of premelting material, 5.5%-8.5% of fluorite, 4%-8% of dietary alkali, 3% of N330 carbon black, 3.5% of graphite, 0%-3% of R agent, 0.5-2% of lithium carbonate, 2%-5% of manganese carbonate, 2%-5% of magnesite, 3%-7% of bauxite, 1%-3% of cryolite, 1%-3% of adhesive, and 0.3%-1% of water-reducing agent. By utilizing the high-viscosity continuous casting protective slag, mainly on the basis of CaO and SiO2, a certain amount of fluxing agents such as the lithium carbonate, the fluorite, the dietary alkali and the like and a certain amount of carbon materials such as carbon black and graphite are externally added, thus the viscosity is improved and the surface tension is increased; and under the same technique condition, slag inclusion on the surface of a steel billet can be effectively prevented.

This invention relates to a terylene fine high hollow short fiber and its production method, which reasonably designs the parameters of three sections of an arc slit nozzle and designs the cooling blow angle of 20 minus or plus 5deg, in which, the section shape of the fiber produced by this method is a triangle-like with three sides convex to an arc, the titer is 1.56~1.67dtex and the hollow degree is 20 minus or plus 3%, which solves the contradiction between the titer and the hollow degree to secure the fine heat-insulating property of the fiber.

The invention relates to a preparing technique and a growth device of a large-size sapphire crystal, and the preparing technique of the large-size sapphire crystal comprises the following steps: (1) aluminum sesquioxide with high purity that is weighted is filled into a molybdenum crucible pot, a stove is vacuumized until the atmospheric pressure inside the stove is less than 10<-3> Pa, and then protective gases are filled into the stove, and the stove pressure achieves minus 90 to plus 20 KPa; (2) raw materials are heated until complete melting is achieved, and heat is preserved for 3 to 5 hours; (3) seed crystals are lowered by 15 to 120mm under heat preservation, and then the molybdenum crucible pot is lowered by the height of the molybdenum crucible pot; (4) the temperature in the stove is decreased until 1600 to 1750 DEG C; (5) the molybdenum crucible pot is re-raised to a heating region, and heat is preserved for 100 to 150 hours and then the temperature is decreased slowly until room temperature. The preparing technique of the large-size sapphire crystal of the invention is characterized by simple device structure, low production cost, good preparing technique stability, reliable process, easier bubble elimination and high yield, and can cultivate the single sapphire crystal with large size, small dislocation density and high quality.

The invention relates to a door body used for a cold storage and refrigeration device and the cold storage and refrigeration device. Particularly, the door body used for the cold storage and refrigeration device comprises a panel used for forming the front portion of the door body, a door liner used for forming the rear portion of the door body, two side frames used for forming the two side portions of the door body, a rear cover and a display control assembly. The rear cover is arranged between the panel and the door liner, and a containing cavity is defined by the rear cover and the panel. The display control assembly is arranged in the containing cavity. The two side frames are provided with through holes communicating with the containing cavity so as to form a heat dissipation channel transversely penetrating through the door body, air convective circulation is facilitated, heat is dissipated out in time conveniently, and accordingly the heat dissipation efficiency and effect of the display control assembly are ensured. The invention further provides the cold storage and refrigeration device. The cold storage and refrigeration device comprises a refrigerator body with a defined storage space and the door body, and the door body is directly or indirectly connected to the refrigerator body so as to open and/or close at least part of the storage space.

A double-vacuum-layer metal vacuum composite plate with the edge sealed by a seal strip comprises a housing, at least two core plates and a vacuum cavity and is characterized in that the housing is a low-carbon steel plate or a low-carbon steel composite plate, the core plates are located in the vacuum cavity formed through seal welding of the housing, the core plates provide additional strength for the housing and ensure the smoothness of the housing under atmospheric pressure, the vacuum cavity is welded and sealed by utilizing a glass solder in a vacuum furnace under high vacuum and high temperature, the seal strip is arranged at the welding position of the edge portion of the low-carbon steel plate, the coefficient of thermal expansion of the low-carbon steel plate is matched with that of the glass solder, a partition plate is arranged in the vacuum cavity and divides the vacuum cavity into two to form double vacuum layers, and supports are arranged in the vacuum layers and are independently manufactured or are directly formed on the core plate or the partition plate. A manufacturing method of the double-vacuum-layer metal vacuum composite plate is simple in process, and strength, heat-insulation, sound-insulation and fireproof performance and a decorative function can be improved.

A self-leveling cement mortar dry powder for insulated composite wallboard waterproof cover, and an insulated wallboard solve technical problem in a prior art that self-leveling cement mortar with weak waterproofness causes weak insulation effect of an insulated wallboard. A self-leveling cement mortar dry powder for insulated composite wallboard waterproof cover is employed as a technique. Ingredients of the self-leveling cement mortar dry powder comprise a compound impervious component; and the impervious component is prepared by mixing a redispersible high-molecular polymer and one of an organosilicon waterproof agent and a stearate, or a mixture of the two, and accounts for 0.6-4.3wt% of the self-leveling cement mortar dry powder. A special impervious ingredient is added to enhance compactness, microdilatancy and low dry shrinkage property of the cement based self-leveling mortar, so as to substantially increase waterproof function and endurance of the cement based self-leveling mortar. Therefore, a problem that a cladded super-light foaming cement sheet material loses insulation function due to water penetration and problems of flame resistance and endurance are solved fundamentally.

The invention discloses a door body for refrigeration equipment and refrigeration equipment provided with the same. The door body for the refrigeration equipment comprises a main body, a pre-buried box, a touch screen, a display control assembly, and an air circulation device, wherein the main body is provided with an opening; the pre-buried box is pre-buried in the opening before being foamed, and the front side of the pre-buried box is opened; the touch screen is used for sealing the front side of the pre-buried box, and an accommodating cavity is defined between the touch screen and the pre-buried box; the display control assembly is arranged in the accommodating cavity; the air circulation device is arranged in the accommodating cavity to perform heat dissipation on the display control assembly. According to the door body for the refrigeration equipment, provided by the embodiment of the invention, the display control assembly and the air circulation device are arranged in the accommodating cavity formed between the pre-buried box and the touch screen, and the air circulation device can facilitate the air circulation flow in the accommodating cavity, so that the display control assembly can be subjected to heat dissipation; the internal circulated heat dissipation structure guarantees the heat preservation performance of the door body, besides, the heat dissipation performance is better, and the integral door body is more attractive in appearance.

The invention discloses a purifying device of backwash, aeration type hidden flow marshland water body and a method of purifying water body, wherein the whole purified pool display cube box; the separating pool separate the pool as downward pool and upper pool; the filling base material pack evenly in the pool; planting amphibious plant on the upper; setting cloth water pipe on the upper of the upper pool; making the upper of adjusting pool higher than purifying pool; setting inlet pipe and water-feed pump on the one side of the adjusting pool; setting admitting pipe and admitting pipe on the upper of the upper pool; setting aeration machine on one side of the purifying pool. The invention possesses high load factor, small plot area and good treatment effect, which can improve treatment effect.

The invention belongs to constructional wall-facing material technical field, especially relating to energy-efficient priming paint which has decoration and thermal insulation effects to inner and exterior walls of a building. The energy-efficient priming paint of the invention comprises the following components by weight: 15%-25% of mixed emulsion, 1%-3% of film forming auxiliary agents, 5%-15% of silica sol, 0.1%-0.2% of antifoaming agents, 0.1-0.2% of mildew-resistant bactericides, 5%-20% of hollow glass beads, 10%-30% of heavy calcium carbonate and 0.2%-1.5% of thickening agents, and rest is water, wherein the hollow glass beads have a granularity range of is 10 microns-180 microns, a bulk density of 0.10-0.50g/cm<3> and a floating rate more than 90%. The energy-efficient priming paint in the invention has functions of waterproof and thermal insulation. Painting the paint on the inner and exterior walls of the building has a great meaning for maintaining indoor temperature and saving energy. The energy-efficient priming paint is especially suitable for matching usage with synthetic resin thick slurry paint and synthetic resin sand textured paint.

The invention discloses a thermal barrier coating with a double-layer gradient structure. The thermal barrier coating with the double-layer gradient structure comprises a first layered thermal insulation layer positioned inside and a second layered thermal insulation layer positioned outside. The second layered thermal insulation layer is formed by stacking N sublayers, the thermal insulation temperature of each sublayer is equal, and the thermal conductivity of the sublayers of the second layered thermal insulation layer decreases from inside to outside. The first layer thermal insulation layer accounts for 20%-60% of the total thickness of the thermal barrier coating with the double-layer gradient structure, and the fracture toughness of the materials used is greater than or equal to 2.5MPa.m<1/2>. The second layer thermal insulation layer accounts for 40%-80% of the total thickness of the thermal barrier coating with the double-layer gradient structure, and the used materials have no phase change at 1200-1600 DEG C, and the thermal conductivity is lower than 1.8W/m.K at 1000-1600 DEG C. The double-layer gradient structure realizes the combination of new materials/new structures,breaks through the reverse restriction relation of the thickness of a single material coating on the thermal insulation capability and the service life, and so that the cooperative design of high thermal insulation, long service life and high temperature resistance of the new structure is achieved.

The invention discloses a B1-grade flame-retardant polyurethane rigid foam used for continuous line production and a preparation method thereof. According to the invention, a new polyester polyol comprising high temperature-resistant rigid groups with benzoylimino heterocyclic structures and a flame-retardant polyether polyol are used as principal raw materials; relevant flame-retardant silicone oil, a catalyst with a special structure, a liquid flame retardant, a foaming agent and the like are added therein to prepare a compound polyol; and the compound polyol is then reacted with polyisocyanate to generate a polyisocyanurate (PIR) foam with high index. The B1-grade flame-retardant polyurethane rigid foam disclosed by the invention is applicable to continuous line producing processes. Compared with traditional PIR sheet foams, the B1-grade flame-retardant polyurethane rigid foam has the advantages of stable foaming and durable flame-retardant performance. By introducing a reasonable collocation of new rigid polyesters and other accessory ingredients, less flame retardant addition is required in the formula to make the polyurethane foam reach a B1 level while excellent performances such as low feeding density, high strength, stable size and the like are endowed to the foam.

The invention discloses a lightweight high-strength heat-insulation refractory castable. The castable comprises the following raw materials by weight: 30 to 40% of lightweight mullite aggregate, 5 to 10% of an aluminum-rich spinel hollow sphere, 5 to 8% of andalusite, 6 to 9% of aluminum-rich spinel powder, 5 to 7% of kyanite powder, 5 to 8% of silicon powder, 5 to 10% of rho-Al2O3 micro powder, 12 to 18% of calcium aluminate cement, 3 to 6% of a refractory fiber, 0.05 to 0.15% of sodium hexametaphosphate, 0.05 to 0.15% of an organic water reducing agent, 0.04 to 0.07% of an organosilicon coupling agent and 0.01 to 0.02% of a defoaming agent. According to the invention, the heat insulation performance of the lightweight refractory castable is guaranteed, close bonding between aggregate and powder in the refractory castable is improved, mechanical strength, capacity of resisting mechanical and thermal shock damage, anti-permeability and comprehensive usage performance at high temperature of the refractory castable are enhanced, and cost for the refractory castable is reduced, thereby finally achieving the comprehensive targets of reduction of heat loss in cooling of furnace beams and columns, prolongation of the service life of a heat insulation lining, improvement of heating quality in a furnace, reduction of energy consumption and maintenance cost, etc.

The invention belongs to the technical field of textiles, relates to a preparation method of composite materials, in particular to a one-way moisture permeable and heat preservation composite materialand a preparation method thereof. The one-way moisture permeable and heat preservation composite material comprises a fluffy layer and an air-tight sealing layer, the fluffy layer is formed by the arrangement of nano fiber layers and coarse denier fiber layers at intervals, the air-tight sealing layer is PET-PA6 double-component ultrafine fiber non-woven fabric, the nano fiber layers are PVA nanofiber layers, and the coarse denier layers are fiber layers blended and carded by PE/PP sheath-core double-component fiber, three-dimensional curved terylene and hydrophilic fiber. The fiber composite material prepared by means of the method has ideal one-way moisture permeable and heat preservation effects and is suitable for liners of cold-proof garments and blankets, building heat preservationmaterials, high fluffiness heat-preserving layers for heat preservation of pipelines and the like.

The large aluminum electrolyzing pre-roasting tank includes anode carbon block combination, anode bus, breaking and feeding unit, anode elevating mechanism, crossbeam and portal upright, tank sealing air exhaust system, tank casing, cathode structure and bottom heat insulating structure. It features the double anode structure comprising two anode carbon blocks assembled through aluminum rod and steel pawl; the elevator installed below the top surface of the crossbeam; the tank sealing air exhaust system set inside the crossbeam; and the cathode with surround casing, carbon block with bottom composite heat insulating layer, side silicon nitride to combine silicon carbide blocks and surrounding cast material. The present invention has improved structure resulting in raised fume collecting efficiency, reasonable gas flow distribution and smooth aluminum electrolyzing process.

The invention discloses a manufacturing method of a nanometer thermal insulation material of automobile glass. The nanometer material mainly comprises the following components according to content percentage: 50-70% of nanometer modified organic silica solution, 5-10% of nanometer oxidized silica solution, 5-15% of nanometer indium tin oxide size, 10-20% of organic solvent and 1-5% of film forming substances, and the total percentage of all the components is 100%. By adopting the method, the nanometer size with the function of thermal insulation forms a film on the inner surface of the automobile glass through an organic silicon carrier, so that the glass has the function of thermal insulation, as well as very high visible light transmission, an excellent infrared rejection rate, an excellent ultraviolet absorption rate, prominent adhesion and ultrahigh film hardness.

The invention discloses a treatment structure of a heat insulation cotton seam. A connecting member is arranged between upper heat insulation cotton and lower heat insulation cotton of an outer wall, the connecting member is a Z-shaped galvanized iron sheet, and an angle between the connecting side of the Z-shaped galvanized iron sheet and a horizontal plane is from 5 DEG to 8 DEG. According to the treatment structure, the Z-shaped connecting member is adopted as the connecting member for treating the details of the heat insulation cotton seam, reasonable construction steps are combined, the phenomenon that water enters the heat insulation cotton because rain invades during outdoor construction is avoided, thereby guaranteeing the long-time heat insulation effect of the heat insulation cotton and prolonging the service life of an energy saving system of a building, the smoothness of the heat insulation cotton seam is good, and the division engineering quality of energy saving construction of the building is guaranteed.

The invention relates to a tundish covering agent and application thereof and belongs to the technical field of tundishes in the continuous casting process. The tundish covering agent is mainly prepared from, by percentage content, 35-45% of CaO, 8-15% of SiO2, 25-30% of Al2O3, 5-15% of MgO, 5-12% of (Na2O+Li2O), 1-5% of B2O3 and 0.5-1% of TiO2. The tundish covering agent has the advantages that the melting point is low and is 1250-1350 DEG C, the viscosity is high and is 0.8-1.2 Pa*s at the temperature of 1300 DEG C, and the basicity is high and is 3-6. The tundish covering agent is applicable to the continuous casting production process, for producing the tundishes, of titanium-added steel. When the tundish covering agent is applied to the continuous casting production process of the titanium-added steel, produced TiO2, produced TiN and other produced inclusion can be effectively dissolved. The inclusion is prevented from entering a crystallizer, the cleanness degree of molten steel is improved, and therefore the quality of cast blanks is improved.

The invention relates to insulation processing equipment of a petroleum conveying pipeline and a pipeline insulation processing technology. The equipment comprises a bottom plate, locating frames anda processing device. The locating frames are symmetrically mounted at the upper end of the bottom plate. The processing device is arranged between the locating frames and is mounted in the middle of the upper end of the bottom plate. The problems that when existing equipment carries out gluing processing on the pipeline, generally, impurities adhering to the surface of the pipeline cannot be removed, the adhesion result of glue is influenced, meanwhile, generally, the glue smearing effect is poor, the glue is not smeared evenly, a gap is prone to being generated between an insulation band andthe pipeline, when the existing equipment winds the insulation band on the outer surface of the pipeline, the winding effect is poor, efficiency is low, the attachment result between the insulation band and the pipeline is poor, and the insulation effect of the pipeline is influenced can be solved.