44results about How to "Good thermal insulation effect" patented technology

The invention provides an airtight heat preservation steel plate silo and a manufacturing method thereof. The steel plate silo is low in manufacturing cost, occupies small floor area and is easy for mechanical production; however, due to the poor airtightness, fumigating and inset killing cannot be carried out, thus, the steel plate silo is not suitable for being storinged for a long time. The airtight heat preservation steel plate silo comprises an internal cylinder body; the internal cylinder body comprises a silo cylinder (1) and a silo top (2); the silo top is connected with the silo cylinder through welding; and the connecting structure is continuously welded; a heat preservation layer (3) is arranged outside the internal cylinder body; the internal cylinder body is connected with an upright column (4); an external cylinder body (5) is arranged outside the heat preservation layer; and the silo top is an integrally welded structure. The airtight heat preservation steel plate silo provided by the invention can be used as a steel plate grain bin for storing grains for a long time.

The invention discloses a low-density aerated concrete product and a preparation method thereof, and belongs to the technical field of building materials. The preparation method adopting quartz micro powder and iron core tailing, which are respectively 25%-35% and 30%-40% of a dry material, as the primary materials comprises the following steps of: adding cement and lime for cementing; initiating by aluminum powder; and adjusting the component proportion and the steam-curing environment to prepare a light high-strength aerated concrete product with desiccated bulk density of 300kg / m<3>-525kg / m<3> and absolute-dry compressive strength of 2.0 MPa-3.0 MPa. According to the preparation method disclosed by the invention, low-carbon, environment-friendly and energy-saving production concept is adopted, and the quartz micro powder and iron ore tailing, which are discarded after quartz sand ore-dressing, are adopted as the primary materials for producing the low-density autoclaved aerated concrete product as the wall self-insulation material.

The invention provides a polystyrene cement compound thermal insulation material and a preparation method thereof. The polystyrene cement compound thermal insulation material contains the following components in parts by weight: 30-40 parts of polystyrene foam grains, 50-60 parts of magnesium oxychloride cement, 10-15 parts of porous ceramsite, 4-6 parts of wood fibers, 3-5 parts of sodium carboxymethylcellulose, 0-6 parts of foaming agents and 40-50 parts of water. The preparation method comprises the following steps: firstly, weighting the required magnesium oxychloride cement, porous ceramsite, wood fibers, sodium carboxymethylcellulose and water at formula ratio and stirring till forming uniform slurry matter; adding the foaming agents into a foaming machine for foaming; injecting foams into magnesium oxychloride cement paste and stirring uniform; adding polystyrene foam grains into the magnesium oxychloride cement paste at formula ratio, uniformly mixing and stirring, pouring and forming, and then naturally curing. The polystyrene concrete compound thermal insulation material has combustion performance reaching A-level incombustible material standard, higher strength and low heat conductivity coefficient.

The invention discloses an environment-friendly material which comprises, by weight parts, 25-40 parts of silicone acrylic emulsion, 15-20 parts of diatomaceous earth, 10-20 parts of basalt fiber, 10-20 parts of epoxy resin, 10-15 parts of thickener, 10-15 parts of expanded perlite, 15-25 parts of calcium oxide, 3-5 parts of aluminium hydroxide, 5-10 parts of quartz sand, 1-5 parts of latex powder and 1-5 parts of gypsum. The environment-friendly material saves energy and is environmentally friendly, excellent in high temperature resistance and good in heat insulation effect, no harmful substance is added in the material manufacturing process, and the requirements of cleanness and environmental protection are met.

The invention discloses an environmentally-friendly composite high polymer material. The environmentally-friendly composite high polymer material comprises the following components in parts by weight: 200 to 250 parts of silicone acrylic emulsion, 120 to 150 parts of elastic emulsion, 10 to 15 parts of thickening agent, 1 to 5 parts of wetting agent, 0.1 to 0.3 part of wetting agent, 0.3 to 0.5 part of dispersing agent, 0.1 to 0.2 part of mildew preventive, 0.1 to 0.2 part of preservative, 0.3 to 0.4 part of antifoaming agent, 1.0 to 2.0 parts of coalescing agent, 0.2 to 0.5 part of antifreezing agent, 50 to 80 parts of filler, 20 to 50 parts of mixed solvent, 5 to 10 parts of flexibilizer, 5 to 15 parts of fire retardant, and 5 to 10 parts of pigment. The environmentally-friendly composite high polymer material is energy-saving, environmentally-friendly and high in strength, has high temperature resistance and outstanding effect of heat preserving and insulating; and no harmful component is added during preparation, so that the nontoxic, harmless, clean and environmental protection effects are realized.

The invention discloses building glass heat-insulating coating and a preparation method thereof and relates to the field of coatings. The building glass heat-insulating coating comprises, by weight, 18-24 parts of acrylic emulsion, 10-16 parts of waterborne polyurethane emulsion, 1-4 parts of palm oil, 4-7 parts of nano silica, 4-7 parts of nano titania, 2-5 parts of aerogel, 4-7 parts of hollow glass microspheres, 2-5 parts of nano silicon nitride, 2-5 parts of modified zinc oxide, 1-3 parts of an adhesion promoter, 0.2-0.6 part of a defoaming agent, 0.6-1.2 parts of a dispersing agent, and 0.6-1.2 parts of a film-forming aid. The building glass heat-insulating coating made with the synergic materials has good heat insulation, a layer of the coating has good adhesion and good resistance to mechanical impact, and the preparation method has a simple process and is easy to perform.

The invention provides a thermal insulation material and a preparation method thereof, and relates to the field of building materials. The thermal insulation material includes the following raw materials in parts by weight: granite powder, aluminum silicate powder, rock wool, ceramic fiber, quartz sand, crushed stone, cement, bentonite, Glass beads, aerogel, expanded perlite, nano-silicon carbide, magnesia, vermiculite, retarder, air-entraining agent, swelling agent, water reducing agent and water; the preparation method comprises the following steps: (1) weighing Raw materials, (2) roasting, (3) stirring, (4) pressing, drying, cooling and preservation. The invention solves the problem that the existing building material market lacks the thermal insulation material with the characteristics of high compressive strength, good thermal insulation effect and good fireproof effect.

The invention relates to the technical field of rubber materials and in particular relates to temperature variation resistant rubber for heat preservation of an air conditioner circulation pipeline. The temperature variation resistant rubber comprises the following components: nitrile rubber, an ethylene-propylene-diene monomer, natural rubber, carbon black, a high temperature resistant curing agent, zinc oxide, calcium hydroxide, stearic acid, a coupling agent, an anti-aging agent, a vulcanizing agent and an accelerant, wherein the high temperature resistant curing agent is modified aromaticamine; the carbon black is selected from carbon black produced from the natural gas as a raw material by using a channel process; the coupling agent is a silane coupling; the anti-aging agent is one of an anti-aging agent RD, an anti-aging agent CPPD (Calcium Pyrophosphate De-Hydrate) and an anti-aging agent DPPD (Diphenyl-Phenylene-Diamine); the vulcanizing agent is selected from dicumyl peroxideor a vulcanizing agent PDM; the accelerant is selected from triallyl isocyanurate. The rubber is capable of replacing foamed cotton as a circulation pipeline heat preservation material, is good in heat preservation effect, is capable of enduring harsh temperature variations, and in addition is excellent in anti-aging property and long in service life.

The invention belongs to the technical field of composite hoses, and particularly relates to a fiber reinforced heat insulation composite hose and a manufacturing method thereof. The fiber reinforcedheat insulation composite hose comprises a reinforcing layer, wherein the reinforcing layer comprises an inner lining layer and a strip blank compounded on the outer surface of the inner lining layerin a hot melting manner, the outer surface of the strip blank is sequentially provided with a hot melt adhesive film layer and a heat insulation layer, and the heat insulation layer is made from a microcapsule foam material. One-step forming co-extrusion process is used for manufacturing. The fiber reinforced heat insulation composite hose has the beneficial effects that high strength and good heat and cold insulation effects are achieved while the light weight and softness of material are maintained, an all-in-one forming method is adopted, and simplicity, convenience and efficiency are achieved.

The invention relates to a cold area garage-type dry biogas fermentation system and a working method thereof, and belongs to the technical field of resource utilization of organic solid waste. The cold area garage-type dry biogas fermentation system comprises a fermentation tank, a solar warming system, a biogas slurry spraying system, a biogas purification storage system and an aerating system. According to the cold area garage-type dry biogas fermentation system and the working method thereof which are provided by the invention, a sun board greenhouse is adopted, so that sunlight can be guaranteed to permeate into the greenhouse as much as possible, is irradiated to a black flexible membrane, but cannot enable the flexible membrane to be exposed in the atmosphere to cause heat loss, and thus, excellent warming and heat preservation effects can be achieved; heat energy of a solar heat collection system can be accumulated in daytime in a heat storage and heat exchange water tank arranged in the tank bottom; when an environmental temperature is relatively low at night, the accumulated heat energy is transferred to materials, so that the heat energy not only can be used for ensuring the temperature of the materials in the fermentation tank, but also can heat a water tank internal aerator pipe passing through the solar warming system; the aerating system can well utilize biogas generated by a reactor to dredge a material pile so as to improve a heat transfer rate.

The invention discloses a novel heat insulation coating, which is prepared from the following raw materials: acrylate emulsion, fluorosilicone acrylic emulsion, aluminum silicate fibers, hollow ceramic microbeads, expanded perlite, nano titanium dioxide, ceramic fibers, titanium dioxide, and the like. The novel heat insulation coating has the characteristics of good heat insulation effect, low production cost and good tensile strength and weather resistance; the hollow ceramic microbeads have a very good heat insulation effect and can be arranged to form a heat buffer layer so as to slow downtransfer of heat; the ceramic fibers are evenly distributed in a heat insulating coating, so that a three-dimensional network structure is formed, the transfer of heat flow is dispersed, and a certainheat insulation effect is further achieved; furthermore, filler and a base material are closely bonded together by means of the ceramic fibers and the aluminum silicate fibers, so that a coating filmis compact and continuous, the heat resistance of the heat insulation coating is improved, and the crack resistance of the heat insulation coating is also improved.

The invention discloses a reutilized waste plastic composite slag thermal-insulation wall body material and a preparation method thereof. The wall body material is prepared by compositing metal smelting waste such as blast furnace slag, alumina slag, lithium slag, iron tailings with waste plastic. For improving the reutilization effect of the waste plastic, the waste plastic is foamed and is added with an alkaline exciting agent so as to prepare expandable waste plastic particles, the tenacity of a materials can be improved by virtue of the plastic particles, meanwhile, a gelatinization process can be promoted by virtue of the exciting agent carried by the particles, and the compatibility of the plastic particles in a gel material is improved. The wall body material prepared by virtue of the preparation method has high strength and good tenacity, is unlikely to crack and has certain waterproof ability and excellent thermal insulation and sound insulation effects, and the effective utilization of high-adding-quantity slag powder is realized.

The invention relates to the technical field of flame-retardant and sound-insulating coatings, in particular to a flame-retardant and sound-insulating coating, which comprises, by mass, 14-20% of a silicone acrylic emulsion, 12.25-22.6% of deionized water, 0.1-0.25% of cellulose, 0.45-0.5% of wood fibers, 0.2-0.4% of a wetting dispersant, 0.15-0.2% of an anti-corrosion and bactericidal agent, 0.8-1.2% of a flame retardant, 12-14% of mica powder, 14-16% of aluminum hydroxide, 7-13% of glass bead mixed particles, 9-12% of rubber powder, 0.25-0.35% of PP fibers, 7-12% of a thermal insulation auxiliary agent, and 8-15% of a damping and buffering agent. The damping and buffering agent comprises floating beads and stone-free mineral wool, so that the coating can absorb noise and has good sound insulation and noise reduction functions. Moreover, the floating beads are hollow balls, thin-walled and hollow and good in damping effect, and are matched with the stone-free mineral wool and the mica powder for use, so that the formed coating layer has excellent damping and buffering effects, noise pollution caused by vibration can be further reduced, and the sound insulation and damping coating has double noise reduction effects.

The invention discloses a novel container house. The novel container house mainly comprises a bedroom box, an equipment box and a kitchen and bath box, wherein a photovoltaic power generation system, a water treatment system, a solar hot water heating system and a superconductive heating system are arranged in a box body. On the basis of a container structure, the novel container house is safe and firm; because the solar power generation system, the photo-thermal heating system and the water source purifying system are arranged, limited resources are fully saved and utilized. The house has high heat-preserving performance ( a glass fiber reinforced plastic color steel tile polyurethane foaming technology researched and developed in China is adopted for heat preservation, and an overall foaming layer is 10 cm thick) and high windproofness, anti-corrosion performance, snow prevention, fireproofness, seismic resistance, low temperature resistance, compression resistance and the like. The house can be applicable to modern transportation modes of roads, railways, ships and the like, safe, stable, resistant to seism and windproof. According to the modularized house building, the constructing time can be substantially shortened, an independent survival application safeguard system is also arranged, and the house can be freely moved and is simple, attractive and good in overall performance.

The invention discloses an intelligent sensing photoelectric composite cable, a conductor shielding layer, an insulating layer and an insulating shielding layer are arranged outside a cable core, andat least one communication optical fiber is inserted between metal wires of a metal wire shielding layer in a shielding structure; and an isolation sleeve is arranged on the shielding structure, a steel wire armor layer is arranged on the periphery of the isolation sleeve, and at least one temperature measuring optical fiber is arranged between steel wires of the steel wire armor layer in an inserted mode. The temperature measurement optical fiber comprises a temperature measurement fiber core, a temperature measurement cladding and a heat conduction layer, and heat conduction filling paste isloaded between the heat conduction layer and the metal outer pipe; the heat conduction filling paste comprises the following components in percentage by weight: 18%-20% of a gelatinizing agent, 3%-5% of an oil separation inhibitor, 1%-2% of an antioxidant, 2%-2.5% of a water absorbent, 0.0015%-0.002% of a defoaming agent and the balance of heat conduction oil. The cable can realize real-time intelligent monitoring of the power load operation condition of the cable, ensures synchronization of power supply, communication and online monitoring, and has the advantages of reasonable structure andreliable use.

The invention discloses a building brick and a manufacturing method thereof and belongs to the technical field of building materials. The building brick is prepared from the following components in parts by weight: 40-60 parts of expanded perlite, 25-35 parts of ceramic clay, 12-18 parts of quartz sand, 5-15 parts of cement, 5-15 parts of talcum powder, 4-8 parts of quick lime and 10-20 parts of water. The manufacturing method of the building brick comprises the following steps: (1) mixing and stirring the expanded perlite, the quartz sand, the cement, the talcum powder, the quick lime and thewater in parts by weight so as to obtain a slurry mixture A; (2) mixing and stirring the ceramic clay, the cement, the talcum powder, the quick lime and the water in parts by weight so as to obtain amixture B; (3) pouring the mixture A in a gap between an outer-layer baffle plate and a middle-layer baffle plate, pouring the mixture B in a gap between the middle-layer baffle plate and an inner-layer baffle plate, pulling out the middle-layer baffle plate, and further sufficiently pressing by using a pressing plate; 4) drying a building brick, molded by using a mold, on the clean ground in theair. The building brick made by using the manufacturing method is good in heat-preservation and thermal-insulation effect and good in fireproof function.

The invention belongs to the field of storage devices, and particularly relates to a vertical wall heat insulation silo which comprises a silo top and a silo body. The wall heat insulation silo is characterized in that an overhead silo top magnesite heat insulation layer which is formed by splicing a plurality of trapezoidal magnesite foaming plates is arranged on the silo top; an overhead silo body magnesite heat insulation layer which is formed by splicing a plurality of square magnesite foam plates is arranged on the silo body; clearance waterproof layers are arranged between adjacent trapezoidal magnesite foaming plates and adjacent square magnesite foaming plates. The wall heat insulation silo has the advantages of good heat insulation effect and good waterproof effect.

The invention discloses temperature adjustment glass which comprises an upper glass plate and a lower glass plate same in area, wherein a vacuum cavity is formed between the upper glass plate and the lower glass plate after the peripheries of the upper glass plate and the lower glass plate are sealed with epoxy resin glue; an optical glass layer is adhered to a part, positioned in the vacuum cavity, of the lower surface of the upper glass plate; tiny crystal particles of silver halide and copper oxide are contained in the optical glass layer; meanwhile, a liquid crystal layer is adhered to a part, positioned in the vacuum cavity, of the upper surface of the lower glass plate and connected with a PLC (programmable logic controller) positioned outside the temperature adjustment glass; the PLC is connected with a temperature sensor. The temperature adjustment glass has the advantages of relatively good temperature preservation and adjustment effects.

The invention discloses a household electric heating fryer with a glass housing. A bearing support (1) of the household electric heating fryer is externally fixedly embedded with decorating glass (2). By adopting the technical scheme that the bearing support made from heat resisting plastic is externally fixedly embedded with glass, the household electric heating fryer overcomes the problems and defects of the prior art such as quick heat dissipation, great energy consumption, tendency to scald hands and lack of appearance attractiveness. As the bearing support made from heat resisting plastic is externally fixedly embedded with glass, the household electric heating fryer with a glass housing achieves the aims of reducing heat dissipation, saving energy consumption, not scalding hands and being attractive and top-grade in appearance.

The invention provides a decorative reflective coating and a preparation method thereof. The decorative reflective coating comprises the following components in parts by weight: 5-10 parts of modifiedglass beads, 60-80 parts of acrylic resin and 5-10 parts of an emulsifier, the emulsifier being sodium dodecyl benzene sulfonate, 2-3 parts of ceramic beads, 1-2 parts of nano silicon dioxide, 1-2 parts of phenolic resin and 10-15 parts of deionized water, wherein the ratio of the modified glass beads to the ceramic beads is (2-3):1. According to the invention, the hollow glass beads and titaniumtetrabromide react to obtain the modified glass beads; the modified glass beads are coated with a layer of titanium oxide, the titanium oxide has a good thermal isolation effect, so that the coatinghas good light reflection and heat preservation properties at the same time, the added ceramic beads and the modified glass beads act together, the reflection and isolation effects are brought into full play, and the performance of the coating is improved.

A through-type all-glass vacuum heat-collecting pipe has an overheating protection structure and comprises an inner pipe, an outer pipe as well as a vacuum interlayer positioned between the inner pipe and the outer pipe; sunlight can penetrate through the outer pipe; a solar heat-collecting layer for absorbing solar radiation is arranged on the outer surface of the inner pipe or in the inner pipe; an adsorbing material capable of adsorbing gas is arranged in the vacuum interlayer; when the vacuum heat-collecting pipe is at the temperature below the set temperature in the pipe or within the set temperature difference between the inner pipe and the outer pipe, namely in a cold state, the adsorbing material adsorbs gas to maintain the adiabatic vacuum degree required by heat preservation of the vacuum heat-collecting pipe; and when the vacuum heat-collecting pipe reaches or exceeds the set temperature in the pipe or the set temperature difference between the inner pipe and the outer pipe, namely in a hot state, the adsorbing material is heated to release the adsorbed gas, so that the vacuum degree of the vacuum interlayer in the vacuum heat-collecting pipe is reduced.

The invention relates to a thermal-insulation composite cement plate which comprises a cement plate main body, wherein a thermal-insulation layer and a filling layer are arranged in the cement plate main body; the filling layer is coated in the thermal-insulation layer; and the thermal-insulation layer is connected with the cement plate main body and the filling layer through an enhanced adhesive. The filling layer of the cement plate is formed by a honeycomb type metal frame, the cement plate is high in toughness and difficult to break, the thermal insulation effect is good, the service life of the cement plate can be effectively prolonged, social resources are saved, and the service efficiency is improved.

The invention discloses a fireproof door core and a preparation method thereof, relating to the field of fireproof door cores. The fireproof door core is prepared from the following raw materials in parts by weight: 16-22 parts of polystyrene fireproof particles, 3-7 parts of expanded vermiculite powder, 8-13 parts of polypropylene fiber, 6-11 parts of hollow glass powder, 10-17 parts of sepiolitefiber, 4-9 parts of kieselguhr, 4-9 parts of talcum powder, 8-13 parts of polyvinyl chloride paste resin, 12-18 parts of water glass, 1-2 parts of a foaming agent, 2-4 parts of a fire retardant and 1.2-2.4 parts of a silane coupling agent. By the coordination effects among the raw materials, the fireproof door core has a good fireproof effect, meanwhile, the raw materials have a good thermal preservation effect and good thermal insulation and sound insulation performance, and is high in size stability and strong in mechanical impact force resistance.

The invention discloses glass with a self-cleaning function and a manufacturing method thereof. The glass comprises two glass units; each glass unit comprises a substrate and a nanolayer smeared on one side of the substrate, wherein the nanolayer is formed by connecting rugby-shaped nano-particles with one another, a gap is formed between the nanolayer and the substrate, and a drainage layer is arranged at the ends, away from the substrate, of the nano-particles; and the two glass units are oppositely arranged, a vacuum cavity is formed between the substrates, and the nanolayers are located onthe outer side of the vacuum cavity. The glass has the self-cleaning function and a good thermal insulation effect. Meanwhile, the invention provides a wall containing the glass, and the glass has the self-cleaning function.

The invention discloses a method for preparing a temperature-control energy-saving heat-preservation material from waste concrete. The method comprises the following steps: selecting a rectangular hollow plastic plate of which both ends are opened, and blocking one opened end by using polyurethane; injecting a liquid phase-change material into the rectangular hollow plastic plate; stuffing the other opened end of the rectangular hollow plastic plate by using cotton yarns sufficiently soaked in polyurethane, performing curing, and performing blocking; crushing waste concrete so as to obtain a regenerated fine aggregate and regenerated granules, and mixing the regenerated fine aggregate, the regenerated granules, ordinary Portland cement and other materials so as to form an inorganic foamedheat-preservation material; and finally putting the inorganic foamed heat-preservation material, a rectangular airbag and the rectangular hollow plastic plate into a prefabricated mold plate, and performing room-temperature curing till a stage age, so as to finally obtain the temperature-control energy-saving heat-preservation material. The building heat-preservation material not only is capable of recycling and reusing the waste concrete, but also has the advantages of being small in self weight, good in thermal insulation and possible in self temperature control.

The invention relates to a preparation method for a heat-insulating coating of an external wall and belongs to the technical field of coating preparation. The preparation method comprises the following steps: taking rice straws as raw material; smashing the rice straws and performing steam explosion treatment; blending exploded fiber and complex enzyme for enzymolysis; performing oxidation and alkali treatment on enzymatic hydrolysate, thereby acquiring a reaction product and standing by; reacting sodium silicate solution with hydrochloric acid, thereby acquiring a reaction liquor; mixing coating emulsion with standby reaction product and reaction liquor, and then adding other auxiliary materials; quickly stirring and reacting, and then rising temperature and reacting, thereby acquiring the heat-insulating coating of the external wall. The heat-insulating coating of the external wall prepared according to the invention has an excellent heat-insulating property, is difficult to pulverize, is high in later strength and has a bright application prospect.

The invention discloses a heat insulating type pipeline fixing support which comprises a bottom lining, a wall lining, an external barrel, piles and an internal barrel. The upward opening of the internal barrel is matched and fixedly connected with the outer wall of a supported pipeline. The bottom lining is paved in the bottom of the inner chamber of the external barrel, and the internal barrel inserted into the inner chamber of the external barrel is isolated by the bottom lining. The wall lining is arranged between the overlapped sections of the outer wall of the internal barrel and the inner wall of the external barrel. 4-8 piles are uniformly distributed and connected on the inner wall of the external barrel, the top ends of the vertically arranged piles are fixedly connected with the barrel opening of the external barrel to form a limiting structure of the pile, which can prevent the internal barrel from jumping upwards excessively, thus avoiding the accidents of stripping or malposition arrangement between the matched internal and external barrels. The heat insulating type pipeline fixing support is reasonable in heat insulating structure and remarkable in heat insulation effect, can greatly reduce heat energy loss of mated pipelines, and can create conditions for long-distance conveying of a heat medium of a heat supply network pipeline.

The invention discloses a light sealing curtain used for a thermal treatment furnace. The light sealing curtain comprises a stainless steel woven mesh and enhancement heat-resistant steel wire fire cloth, wherein the stainless steel woven mesh and the enhancement heat-resistant steel wire fire cloth are laminated together. The stainless steel woven mesh and the enhancement heat-resistant steel wire fire cloth are hung on a sealing curtain hoisting device after being folded in half towards one face of the stainless steel woven mesh. The stainless steel woven mesh and the enhancement heat-resistant steel wire fire cloth are filled with a thermal insulation fiber blanket after being folded in half. A rectangular hollow section is arranged below the sealing curtain hoisting device and is clamped after the stainless steel woven mesh and the enhancement heat-resistant steel wire fire cloth are folded in half. The heat preservation and thermal insulation effects are very good, manufacture and maintenance expenses are also greatly reduced, and the light sealing curtain is easier to manufacture compared with an existing sealing curtain.

The invention discloses a bridge head highway subgrade structure which comprises a subgrade body, a composite protective cushion layer arranged in the subgrade body, a bearing surface layer arranged on the upper surface of the subgrade body and provided with curbstone bonding parts at the two ends, a stone cushion layer arranged under the composite protective cushion layer and provided with a stone wrapping protective layer on the outer surface, and a concrete cushion layer arranged between the bearing surface layer and the stone cushion layer; and a dense cushion layer is arranged on the surface of the lower end of the concrete cushion layer. The subgrade is good in bearing stability and not prone to being affected by the external environment temperature, so that the problems that the subgrade is prone to being damaged and needs to be maintained frequently are effectively solved, a good waterproof effect is achieved, and rainwater is prevented from leaking from the upper surface of asubgrade body to damp a bottom stone cushion layer; meanwhile, a heat insulation cushion layer has a good heat insulation protection effect, and the influence of the temperature difference between summer and winter on excessive thermal expansion and cold contraction of the subgrade body is prevented.

The invention discloses temperature-regulating glass. The temperature-regulating glass comprises an upper glass plate and a lower glass plate which have the same area, and after peripheries of the upper glass plate and the lower glass plate are sealed through epoxy resin glue, a vacuum chamber is formed between the upper glass plate and the lower glass plate; an optical glass layer is adhered to the part, in the vacuum chamber, of the lower surface of the upper glass plate, the optical glass layer contains minute crystal grains of silver halide and copper oxide, and meanwhile a liquid crystallayer is adhered to the part, in the vacuum chamber, of the upper surface of the lower glass plate; and the liquid crystal layer is connected with a PLC arranged outside the temperature-regulating glass, and the PLC is connected with a temperature sensor. The temperature-regulating glass has the advantages of good effects of heat preservation and temperature regulation.