120 results about "Thermal insulation" patented technology

The invention relates to an electric vehicle, a battery box body thereof, and a battery box. A cooling structure is arranged on a bottom plate assembly of the battery box and comprises two or more layers of hollow channels which are formed at intervals in vertical direction, the upper hollow channel forms a cooling channel used for allowing cooling liquid to circulate, and the lower hollow channelis filled with a thermal insulation material; and in the operating process of the battery box, the cooling liquid in the cooling channel can cool a battery module in the battery box. Meanwhile, the lower hollow channel is filled with the thermal insulation material, thus a thermal insulation layer is formed, heat in the external environment is prevented from being transmitted into the battery box, through the thermal insulation material, the heat in the external environment is prevented from influencing the cooling liquid, and the problem that properties of the battery box are influenced accordingly is solved; and after the bottom plate assembly is filled with the thermal insulation material, the weight of the bottom plate assembly can also be lowered obviously, hollow structures are arranged, and thus the structural strength of the bottom plate assembly can further be ensured.

Syntactic foams and thermal insulation as described containing epoxy resin, hollow microspheres, and dried sol-gel or fumed metal oxide for forming a thermal insulating layer on a substrate such as a pipeline. Methods for forming such thermal insulating layers are also described, which can include formulating with blowing agents for forming closed cells in the finished insulating foam.

Embodiments of the invention provide a brake pad and a thickness detection method, and belong to the field of an automobile brake system. The brake pad comprises a backboard, a thermal insulation layer, a friction block, and lead-out wires, the backboard is connected with the thermal insulation layer through the friction block, the friction block is provided with a groove, metallization processing is performed on a first sidewall of the groove to form a first electrode layer, metallization processing is performed on a second sidewall of the groove to form a second electrode layer, the lead-out wires comprise a first leading wire and a second leading wire, the first leading wire is electrically connected with the first electrode layer, and the second leading wire is electrically connected with the second electrode layer. According to the brake pad, the capacitance between the first electrode layer and the second electrode layer is acquired in real time, the thickness change of the brake pad is obtained through the change of the capacitance, the abrasion state of the brake pad is obtained in real time through the thickness change of the brake pad, drivers can maintain and replace the brake pad in advance, and hidden risks during driving can be reduced.

The invention relates to a plating method for an anti-reflection film with high transmittance and low reflectivity, wherein the method is the key technology of window glasses and filters of digital cameras, and the technology can further be applied in fields of radiation protection glasses, thermal insulation glasses, window glasses, solar energy utilization and the like. The method comprises the following steps in vacuum plating equipment: (1) pumping vacuum; (2) heating; (3) cleaning ions (Ar and O2); (4) plating SiO2; (5) etching under full oxygen atmosphere (only introducing O2); (6) plating TiO2; and (7) etching under full oxygen atmosphere (only introducing O2), and repeated performing the steps of (4)-(7) until the film system is completed. According to the present invention, the transmittance of the anti-reflection film in the optical wavelength region of 400-700 nm is improved without improvement of vacuum plating equipment requirements, and the reflectivity is further reduced.

The invention discloses high infrared shielding rate thermal insulation paint. The paint is prepared from substrate paint, SiO2 aerogel, hollow glass beads with an indium and antimony co-doped type tin oxide coating, surfactant, a curing agent and auxiliaries; in the tin oxide coating, the doping ratio of indium ranges from 0.5 mol% to 3 mol%, and the doping ratio of antimony ranges from 6 mol% to10 mol%; the particle size of the hollow microspheres ranges from 1,000 meshes to 2,000 meshes; the surfactant is anion and amphoteric mixed surfactant; the auxiliaries comprise a dispersing agent, awetting agent, a defoaming agent and a flatting agent. The paint has an infrared light shielding barrier forming a large specific surface area, and can effectively insulate heat and absorb and shieldthe infrared light within a wide wavelength range. The paint prepared through a method has the good homogeneity, the SiO2 aerogel can be uniformly dispersed in the paint system, and then the obtainedcoating has the uniform and stable heat insulation and infrared light shielding performance.

The invention discloses an equivalent thermal resistance and thermal conductivity coefficient detecting device for a thermal insulation coating for a building. The device comprises a heat source and an incubator, the incubator is internally provided with a partition plate, and the partition plate divides the incubator into two test chambers and heating chambers which are independent from each other; the heat source is communicated to the heating chambers for providing stable heat energy for the heating chambers, the test chambers are internally provided with mounting frames, the mounting frames have two or more layers of mounting brackets, the mounting brackets are provided with data acquisition temperature heat flow density devices, and the top of an incubator body of the incubator is divided into a paint plate to be tested and a comparative paint plate. The device can quantitatively design the equivalent thermal resistance of the blocking radiant heat for the thermal insulation coating for the building, and according to the equivalent thermal resistance, each use unit and each detecting mechanism can distinguish the authenticity and the advantages and disadvantages of the thermalinsulation coating. The global demand for such detecting device is generated as soon as possible, the application market prospect is very good, and the promotion value is excellent.

At least one or more grooves are formed in a vacuum thermal insulation material, and the insulation material is bent at the grooves and not at surrounding fillet sections adjacent to the grooves. By this, stress in a laminated film occurring at groove end sections, which are boundaries between the grooves and the surrounding fillet sections, can be reduced. This enables the area of small cracks occurring in that portion of the laminated film which is in the groove end sections to be restricted to minimum. As a result, reduction in thermal insulation performance over time can be restricted even if the vacuum thermal insulation material is bent.

The invention provides a metal roof coating and a preparation method thereof. The preparation method comprises the following steps of sequentially adding deionized water, a pH adjusting agent, a wetting agent, a dispersing agent, a defoaming agent, a coalescing agent, an anti-freezing agent, an anti-corrosion agent, an adhesion accelerator and a wetting accelerator into a dispersing machine and dispersing for 5 minutes at a rotating speed of 500r/min; sequentially adding titanium dioxide powder, calcined kaolin and heavy calcium carbonate and dispersing for 25 minutes at a rotating speed of 1200r/min; adding an emulsion and dispersing for 5 minutes at a rotating speed of 600r/min; adding glass microbeads and dispersing for 20 minutes at a rotating speed of 400r/min; and finally adding an inhibitor and a thickener and dispersing for 10 minutes at a rotating speed of 500r/min to obtain the metal roof coating. The metal roof coating provided by the invention can integrate three functions, namely, rust-inhibiting function, waterproof function and thermal-insulation function into a whole; and during construction, only a coating needs to be purchased to achieve three roof effects and excellent adhesion force is also achieved.

The invention discloses a calcium carbonate compound type flame-retardant foaming agent. The technical scheme of the foaming agent is characterized in that the calcium carbonate compound type flame-retardant foaming agent comprises light calcium carbonate, attapulgite clay powder having an air purification function, hydrogen peroxide, magnesium hydrate, sodium alcohol ether sulphate, superfine polyving akohol powder, dimethicone and water. Calcium carbonate compound type flame retardant foaming agent paste ingredients are stirred into a paste, and then the ingredients of the calcium carbonate compound type flame-retardant foaming agent are stirred into a finished product of the calcium carbonate compound type flame-retardant foaming agent. After the calcium carbonate compound type flame retardant foaming agent is stirred with water at a high speed, porous foamed slurry is formed and can rapidly isolate an inflammable material from being contacted with air, and the purposes of inflaming retarding and extinguishment are achieved; a product produced with the calcium carbonate compound type flame-retardant foaming agent not only has the effects of inflaming retarding, heat preservation, thermal insulation and sound insulation, but also has the air purification function; and the calcium carbonate compound type flame-retardant foaming agent is suitable for producing inflaming retarding and fire-extinguishing products, lightweight boards, lightweight walls and noise reduction products.

The invention discloses a novel winter plant protection system and a use method thereof. According to the technical scheme, the novel winter plant protection system is characterized by sequentially comprising a plastic protection layer, a thermal insulation layer, a pesticide storage layer and a bonding layer from outside to inside, wherein the pesticide storage layer comprises at least two layers of fabric, a solid pesticide is distributed between adjacent pieces of fabric, a plurality of fixing pieces are distributed on the pesticide storage layer, the solid pesticide is a fumigant solid insecticide, accordingly, the fumigant solid insecticide can effectively give out pesticide after being attached, the insect killing and dispelling effects are performed effectively, and the insect control effect of trunks is effectively improved. With the adoption of the solid pesticide, no vast water is produced during storage and use, pesticide effect loss is effectively avoided, dryness of the thermal insulation layer and the pesticide storage layer is effectively kept, the condition that the thermal insulation layer and the pesticide storage layer freeze due to outside low temperatures is avoided, and the thermal insulation effect is effectively improved.

The invention discloses a panel solar thermal collector, which includes a transparent face plate, a heat absorbing plate, a bottom plate, a frame, a liquid inlet pipe and a liquid outlet pipe that are arranged between the heat absorbing plate and the bottom plate, and a heat absorbing pipe communicated with the liquid inlet pipe and the liquid outlet pipe, wherein the bottom plate is a double-layer vacuum metal plate and includes an inner bottom plate, an outer bottom plate and a vacuum cavity formed between the inner and the outer bottom plates, and peripheries of the inner and the outer bottom plates are hermetically welded. By adopting the double-layer vacuum metal plate as the bottom plate, not only the whole thermal collector becomes thinner, but also the heat loss of the thermal collector is ensured to be less, the thermal insulation effect is better, and the utilization rate of the solar energy is higher. By utilizing the thermal insulation layer formed by filling inert gas between the face plate and the bottom plate, not only the thermal insulation cotton is prevented from being spread out of the glass face plate, but also the heat dissipation rate of the thermal collector is reduced. The sealing elements on the peripheries of the face plate and the bottom plate can effectively prevent the hot air from easily leaking out, so as to improve the utilization rate of the solar energy.

The invention provides an anti-backfire nozzle for a rocket engine. The anti-backfire nozzle comprises a rotary core body (1), an anti-backfire ring (2) and a shell (3); the anti-backfire ring (2) is arranged between the rotary core body (1) and the shell (3); the inner wall face and the outer wall face of the anti-backfire ring (2) cling to the outer wall face of the rotary core body (1) and the inner wall face of the shell (3) respectively; a liquid propellant storing and distributing cavity (11), a tangential hole (12) and a swirl chamber (13) are formed in the rotary core body (1); the shell (3) is provided with a nozzle exit (31) and a thermal insulation material (32); and a propellant flows along a flowing passage defined by the anti-backfire ring (2), the liquid propellant storing and distributing cavity (11), the tangential hole (12), the swirl chamber (13) and the nozzle exit (31), is uniformly distributed and shunted by the liquid propellant storing and distributing cavity (11), forms uniform conical mist spray at the outlet of the nozzle exit and is atomized. The anti-backfire nozzle has the advantages of simple structure, mature process and the like, has both the functions of backfire resistance and efficient combustion and is suitable for other engines and combustion devices with high requirements on performance and easiness in generating backfire.

The invention provides a crucible guide die structure for growing an extra-thick monocrystal alumina wafer. The crucible guide die structure has the advantages of capacity of growing 8 to 18-mm type extra-thick monocrystal alumina wafers, simple die core structure of each crystallizer, capacity of controlling and adjusting the temperature gradient of crystallization table-board wafers, and guarantee of no bubbles, no growth striations, low internal stress, difficult cracking and high qualification rate of crystal finished products. The crucible guide die structure comprises a crucible, wherein the crucible is arranged in a heater through a grip; the heater is arranged in an electrode plate; a thermal insulation screen is arranged outside the heater; the crystallizers are arranged in the crucible; a seed crystal is arranged above the crystallization table-board of each crystallizer; the seed crystal is connected with a seed crystal coupling sleeve through a connection structure; the crucible has a cuboid shape or a rectangular strip shape with two arc ends; the crystallizers are arranged along the central line of the length direction of the crucible sequentially; and the heater has a cuboid shape or a rectangular strip shape with two arc ends. The crucible guide die structure is characterized in that: each crystallizer comprises a die core; the die core comprises two inversed L-shaped molybdenum plates; the end parts of the two inversed L-shaped molybdenum plates are hermetically welded with each other; and the two inversed L-shaped molybdenum plates are in symmetrical rivet weld connection with each other through a molybdenum rod.

The invention discloses a multi-pipe revolving low-temperature dry distillation technology of fine coal. The technology comprises steps that: (1) fine coal requiring dry distillation is distributed into a cylinder of a multi-pipe revolving dry distillation machine; flue gas mixed and regulated in an air mixing chamber is delivered into a plurality of heat exchange tubes arranged in the cylinder of the multi-pipe revolving dry distillation machine; and fine coal in the cylinder is heated; (2) when heat is absorbed by the fine coal in the cylinder, the fine coal is pyrolyzed, such that hot semi-coke and dry distillation gas are produced; (3) the hot semi-coke is cooled in a coke cooling machine, the semi-coke is delivered to a next process, and is collected and stored; a next section is proceeded; (4) the dry distillation gas is delivered into a coal gas cooling, cool gas purifying, and tar collecting system; (5) the flue gas discharged after the heat exchanging process is delivered into a waste heat boiler for producing low-pressure vapor; a part of the low-temperature flue gas which leaves the waste heat boiler is refluxed for regulating the temperature of the flue gas, and another part of the low-temperature flue gas is delivered into a low-temperature flue gas system where the heat of the flue gas is recycled. According to the invention, the fine coal passes through a shell pass, and the flue gas passes through a tube pass. Therefore, problems of difficult material distribution, high requirements on cylinder thermal insulation and easily blocked pipe of the multi-pipe revolving dry distillation machine are solved.

The invention relates to a combined medical device for internal medical nursing, and belongs to the technical field of a medical appliance. The combined medical device for internal medical nursing comprises a cold-heat two-purpose nursing box, a medicine feeder storage box, an oxygen-air humidification double-purpose box and an infusion support storage chamber; the right side of the cold-heat two-purpose nursing box is provided with a nursing box thermal-insulation door, and the nursing box thermal-insulation door is connected with the cold-heat two-purpose nursing box by thermal-insulation door hinges; the lower side of the cold-heat two-purpose nursing box is provided with a power supply chassis; a battery box is arranged in the power supply chassis; a rechargeable battery is arranged in the battery box; the right side of the rechargeable battery is provided with a charging lead; a lead protection cover is arranged outside the charging lead. The combined medical device is complete in function and convenient in use; the device is easy to operate when being used for performing internal medical nursing, both time and manpower are saved, and the working difficulty of medical workers is lightened.

The invention relates to a pure wood energy-saving window and door system, in particular to a pure wood internally-opening and energy-saving window and door system. In the pure wood internally-opening and energy-saving window and door system, from an indoor side to an outdoor side, frame strips of a window frame are respectively provided with a plurality of step surfaces, and sash strips of a window sash are respectively provided with a plurality of step surfaces; middle sash adhesive tapes are respectively arranged on the second step surface of the sash strip and respectively butt against the second step surface of the frame strip; outer frame adhesive tapes are respectively arranged on the third step surface of the frame strip and respectively butt against the third step surface of the sash strip; and a watertight shutter is arranged on a lower frame strip and provided with a fixing part, an upper watertight part and a lower watertight part, the fixing part is fixedly arranged on the lower frame strip, the upper watertight part is protruded out of the outer side face of the lower sash strip, the end part of the upper watertight part extends to the outer side face of the lower sash strip, and the lower watertight shutter is adhered to and arranged on the outer side face of the lower frame strip. The invention has the characteristics of attractive appearance and durability, sealing and dust prevention, high thermal insulation, high sound insulation and very ideal water tightness effect.

The invention relates to a decorative and thermal insulation integrated novel lightweight walling material made from polishing brick waste. The novel lightweight walling material is characterized by being composed of colored glass and a polishing brick waste foamed material, wherein the colored glass is composed of 25-45% of potassium feldspar, 20-40% of quartz, 5-25% of calcite, 4-8% of borax, 2-8% of barium carbonate, 2-8% of zirconium silicate, 2-6% of potassium nitrate and 0-10% of ceramic toner; the polishing brick waste foamed material is composed of 85-100% of polishing brick waste and0-15% of coal gangue; the ceramic toner is one or more then one of cobalt black, malachite green, chromium-selenium red, praseodymium yellow and zirconium-vanadium blue; and the decorative and thermal insulation integrated novel lightweight walling material is prepared by drawing, material spreading and firing. According to the invention, by adding the ceramic toner, the decorative and thermal insulation integrated novel lightweight walling material can be prepared into high-grade internal and external wall finishing materials with various single colors, compound colors and landscape and character patterns; and the production cost is low, the environmental pollution is reduced, the decorative and thermal insulation integrated novel lightweight walling material is economical and environmentally friendly and the waste is recycled.

The invention provides a preparation method for preparing a nylon porous material on a large scale. The preparation method is characterized in that the selected raw material is nylon, the preparation process is simple and efficient, water in the production process can be repeatedly utilized, and the preparation method conforms to the environment-friendly concept. The nylon is dissolved by using anhydrous formic acid, and a sodium bicarbonate solution is added for foaming to obtain the porous material which is of a three-dimensional porous structure and has excellent performance. The prepared nylon porous material has the advantages of being low in density, high in porosity, low in heat conductivity, high in specific surface area and the like. Compared with aerogel and other porous materials, the preparation method for preparing the porous material is simple, and low-cost large-scale production can be achieved. The method can be used in heat preservation, heat insulation, marine petroleum pollution treatment, catalyst carriers, sound absorption and shock absorption buffer materials and other fields, and has wide application prospects.

The present invention discloses a thermal-insulation coating, which comprises, by weight, 2-4 parts of magnesium oxide, 30-35 parts of a silicon-containing material, 30-40 parts of vermiculite powder, 5-7 parts of perlite powder, 6-10 parts of mica powder, 3-4 parts of an adhesive, and 0.1-0.5 part of plant protein glue. The thermal-insulation coating of the present invention has the following beneficial effects that: the thermal-insulation coating selects a variety of ores as the raw materials so as to provide advantages of no pollution, good stability, thermal insulation, sound insulation, fire resistance and the like, the adhesion is strong so as to firmly attach to the material surface layer, the durability is good, and the environmental protection coating of the present invention has characteristics of easy construction and easy promotion, and is the high-quality green environmental protection building material.

The invention relates to the field of a production process of an aluminium alloy section, in particular to a production process of a novel heat insulation cast electrophoresis aluminium section structure. The production process comprises the following steps: S1, squeezing an end face section, i.e. squeezing a section and enabling the obtained section to be provided with a glue injection groove sealed by a sealing section; S2, carrying out surface processing, i.e. carrying out comprehensive electrophoretic coating on the outer surface of the section with the sealed glue injection groove in the step S1; S3, carrying out section tearing, i.e. tearing off the sealing section which seals the glue injection groove by a fixture such as a plier so as to obtain the glue injection groove of which the inner wall is not provided with an electrophoretic coating layer; S4, carrying out section glue injection, i.e. injecting glue into the glue injection groove of which the inner wall is not provided with the electrophoretic coating layer. Adoption of the process disclosed by the invention avoids the problems of both poor chemical adhesion and physical adhesion between a film forming resin coating which is of a nonpolar structure and polyurethane thermal insulation glue , enables the glue injected electrophoresis section adopting the structural design to completely accord with each detection requirement of the national standard and provides powerful guarantee for competition of the aluminium alloy heat insulation section coated with the electrophoretic coating in the aluminium alloy market.

The invention discloses a fur dyeing kettle, comprising a kettle body, a kettle opening and a stirrer device. The fur dyeing kettle is characterized by comprising a thermal barrier; a kettle cover being matched with the kettle opening is arranged on the pot opening and is provided with an insulating layer; the thermal barrier and the insulation layer are in a structure that thermal insulation material is arranged in the middle of stainless steel material on both sides; a backflow pipe is arranged outside one side of the kettle body; the backflow pipe and a port on one side of the kettle body are respectively a backflow liquid inlet and a backflow liquid outlet; and a vapor feed pipe is connected on the backflow pipe. The fur dyeing kettle of the invention has simple workman operation, saves time, labor and cost, and can meet the requirement on economization, beautiful appearance, environmental protection and energy conservation. Compared with the prior art, practical operation proves that vapor, chemical dye and water and power resources are respectively saved more than 50%, more than 15% and more than 10%.

The invention discloses a bismaleimide resin/silicone rubber ablation-resistant thermal insulation composite material and a preparation method thereof. The composite material is prepared from the following components in parts by mass: 20-80 parts of methylvinylsilicone rubber, 20-80 parts of methyl vinyl phenyl polysiloxane rubber, 1-5 parts of dicumyl peroxide, 15-40 parts of white carbon black, 5-15 parts of chopped fibers, 5-40 parts of bismaleimide, 1-5 parts of hydroxyl silicone oil and 1-20 parts of zirconium boride. The bismaleimide resin/silicone rubber ablation-resistant thermal insulation composite material has high vulcanization molding quality, and a dense hard carbon layer can be formed on the surface of an ablation layer of the thermal insulation composite material in the ablation process to play a role of preventing the thermal insulation composite material from further ablation, thereby improving the ablation resistance and antioxygenic property of the thermal insulation composite material, enabling the thermal insulation composite material to meet the requirements of operating environments with oxygen enrichment, high temperature, high-speed gas flow and particle erosion, and solving the problem that the thermal insulation material is easy to flaw and be burnt out under the working environments with high temperature, high pressure, oxygen enrichment and particle erosion.

The invention relates to the technical field of marine polyurethane thermal insulation balance weight pipes, and discloses a hard polyurethane spraying prefabricated thermal insulation balance weight pipe with an anti-corrosion layer and a preparation method of the hard polyurethane spraying prefabricated thermal insulation balance weight pipe. The hard polyurethane spraying prefabricated thermal insulation balance weight pipe structurally comprises a steel pipe, the anti-corrosion layer, a polyurethane foam thermal insulation layer, an interface adhesive layer, a polyolefin protection layer, anti-skid particles, a concrete balance weight layer and a reinforcement steel wire mesh in sequence from inside to outside. A waterproof sealing rubber strip is bonded to the end of the anti-corrosion layer. The preparation method comprises the steps that the steel pipe coated with the anti-corrosion layer is conveyed to a polyurethane foam spraying line for spraying construction; the waterproof sealing rubber strip is bonded; an adhesive is wound, polyolefin is extruded, and the anti-skid particles are scattered; the pipe end of the polyolefin protection layer is finished after cooling; and weight balancing, finishing and maintaining of the thermal insulation pipe are carried out. The conditions of holes and uneven density cannot be generated, a pipe end waterproof cap does not need to be additionally mounted, and consistency of the pipe end and a main coating can be kept; and the shearing strength between the polyurethane foam thermal insulation layer and the polyolefin protection layer and the shearing strength between the polyolefin protection layer and the concrete balance weight layer are increased.