1867results about How to "Improve thermal insulation performance" patented technology

The invention relates to an energy-saving system for a reinforced concrete outer-casting built-in heat insulation wall body structure and a construction method thereof, which can effectively solve the problems of external wall heat insulation of a high-rise building with high heat insulation requirement and cracking and falling of a heat insulation layer. The system is produced by a wall body and reinforcing steel bars in the wall body which are cast by concrete. The method comprises the following steps that: a reinforcing steel bar frame of the wall body is produced and arranged, namely parallel vertical reinforcing steel bars and indoor floor-connecting board tie bars perpendicular to the parallel vertical reinforcing steel bars are bound together, a grid board is hoisted and externally suspended outside the vertical reinforcing steel bars of the wall body, and is bound with the vertical reinforcing steel bars of the wall body by hooked bars and binding steel bars as well as framework positioning bearing bars, then a framework is arranged on the framework positioning bearing bars and is firmly bound with reinforcing steel bars of beams and boards of a floor, lapping bars are reserved, a heat insulation grid board is firstly arranged, then reinforcing steel bars of corbel brackets of a balcony and an air conditioning board external wall are bound, finally the concrete is cast, the curing is performed, and the framework is removed to repair the structure. The system has good heat insulation effect, energy conservation, environmental protection, simple method, and huge economic benefit and social benefit.

The invention relates to high-performance foaming cement, which comprises cement slurry and foams, wherein the cement slurry is prepared from the following raw materials in parts by weight: 100 parts of cement, 10-30 parts of gypsum powder, 10-50 parts of active admixtures, 10-40 parts of mineral admixtures, 1-5 parts of re-dispersible gelatine powder, 0.5-1.5 parts of cellulose ether, 0.2-1.0 part of water reducing agent, 0.1-0.5 part of water repellent and 40-90 parts of water; and the foams are prepared from the following components in parts by weight: 1 part of foaming agent, 0.2-0.8 part of foam stabilizer and 30-50 parts of water. A preparation method of the high-performance foaming cement comprises the steps of: (1) preparing the cement slurry; (2) preparing the foams by using a foaming machine; and (3) mixing and uniformly stirring the cement slurry and the foams according to the weight ratio of 1:(0.1-1), and pouring and molding. The high-performance foaming cement disclosed by the invention has high closed porosity and small shrinkage value, and integrates the performances of heat insulation, sound insulation, water repellent, shock resistance, fire protection, durability, low carbon and environmental protection into a whole.

The invention provides a waterborne external thermal insulation coating. The coating consists of the following components in part by weight: 25 to 50 parts of functional filler, 30 to 50 parts of emulsion, 20 to 35 parts of filler, 8 to 20 parts of film-forming aid, 1 to 3 parts of wetting dispersant, 1 to 2 parts of propylene glycol, 1 to 2 parts of defoaming agent, 0.5 to 1.5 parts of mildew preventive, 1 to 5 parts of thickening agent and 10 to 20 parts of water. The invention is characterized in that: the coating is safe and environment-friendly, has excellent waterproof and anticorrosive properties, high thermal resistance and reflectivity, excellent thermal insulation property, and good weather resistance, is convenient to construct, and can be well adhered to various base materials, and the density of a dry film is low; an extremely thin hollow cavity layer is formed after the coating is coated on the surface of a base material and then is dried, so that an effective thermal barrier is formed; functional filler particles have large heated cathodes, low coefficient of thermal conductivity, and high heat reflectivity; the consumption of energy sources is remarkably reduced; the coating can reflect, refract and scatter thermal radiation and stop heat conduction; and the energy is saved.

The invention discloses general purpose Portland cement based ultra-light physical foamed concrete which is characterized by being prepared by mixing, forming and maintaining the following components in percentage by weight: 20-70% of general purpose Portland cement, 0-40% of a type A admixture or/and 0-40% of a type B admixture, 0.5-4% of a type C additive, 0.3-2% of a foaming agent, 0-1% of a water reducing agent, 0-4% of fibers and 25-60% of water. The general purpose Portland cement based ultra-light physical foamed concrete disclosed by the invention has the characteristics of ultra-low dry density, low thermal conductivity, relatively high strength, wide raw material source, low cost, simple preparation process, easy maintenance process selection and the like, is suitable to serve as an earthquake-proof and energy-absorbing material, a lightweight cushion course and a catalyst carrier material in a thermal insulation project, a floor heating project and a back filling project, and is particularly suitable for a building exterior wall external thermal insulation system, a roof thermal insulation system, a composite thermal insulation wall body and a buffer energy absorbing system.

A foamed concrete product is characterized in that Portland cement or ordinary Portland cement is taken as gelling material; zeolite powder, metakaolin powder, limestone powder, fly ash or silicon ash powder are taken as admixtures; protein hydrolysate of hoof and horn of animals is taken as a foaming agent; an acrylate coagulator or a polycarboxylic acid type water reducing agent is taken as an adjuvant, and water is active water. In order to improve the early strength, the later compressive strength, the bending strength and the anti-tensile splitting strength of the low-density foamed concrete, a plurality of admixtures comprising the zeolite powder, the metakaolin powder, the silicon ash powder or the limestone powder are chosen, by mutual collocation of the components and contents of the admixtures, the comprehensive improvement of various strengths is achieved, and the multifunctional effects of insulating heat, adjusting moisture, preserving heat, and the like, are obtained. In the foamed concrete blocks of the ordinary Portland cement, the density is 500-800kg/m<3>, the compressive strength is 6-8MPa and the water absorption rate is 5-10%, the heat preserving property and the heat insulating property are obviously improved, the water absorption performance and the moisture adjusting index are remarkably improved, and the better cost performance ratio is obtained.

The invention discloses an inorganic heat insulation load-bearing concrete, belonging to the technical field of heat preservation load-bearing concrete. The invention aims at solving the problem of providing a concrete which not only can meet the requirements of stress performance of structural components of buildings, but also has good heat preservation property. The adopted scheme comprises: the concrete comprises the components with mix proportion by weight (kg/m<3>): the ratio among composite lightweight doped-aggregate, cement, sand, carpolite, ceramsite, pulverized fuel ash, water and admixture is (6-225): (200-800): (300-700): (500-1600): (150-650): (10-600): (80-400): (0.1-200); wherein the composite lightweight doped-aggregate is one or mixture of more in vitrified micro-bead, vermiculite, expanded perlite and modified expanded perlite, and has the density of (50-180)kg/m<3>. Therefore, the load-bearing concrete can be widely applied to the field of building technology.

The invention relates to a lightweight compounded outer wallboard and the manufacturing method thereof. And it is compounded of fiber or wire fabric reinforced cement slab and bearing layer, where the bearing layer is made of reinforcing fabric reinforced light aggregate concrete, one or two sides of the bearing layer are combined with cement slabs and a cavity in the bearing layer is enveloped by light aggregate concrete and full of heat insulator. And its manufacturing method comprises a process as follows: A. placing cement slabs on one or two sides in a die space; B. placing reinforcing fabric provided with heat insulator in the middle by the cement slabs in the die space; C. pouring light aggregate concrete in the die space to bury the reinforcing fabric; and D. staying, curing and hardening and then demoulding to make it. And the method is simple, practical, high-efficiency and it has advantages of lightweight, high intensity, strong bearing capacity, good heat insulating property, seismic resistance, seepage prevention, etc.

The invention relates to a fiber-reinforced plaster-free dismantle-free integrated heat-preservation template and an exterior wall heat-preservation construction process. The heat-preservation template is formed by compounding an expandable polystyrene (EPS) aggregate layer on the surface on one side of a fiber concrete plate. The process comprises the following steps that: a fiber concrete template and a fiber concrete composite heat-preservation template are vertically fixed on the two sides of the position of a pre-built wall body respectively, wherein the fiber concrete template and the fiber concrete composite heat-preservation template are fixed together through pull bolts; and reinforcements are arranged and concrete is poured between the fiber concrete template and the fiber concrete composite heat-preservation template, so that a reinforced concrete bearing wall body is formed. The integrated permanent dismantle-free heat-preservation template meets the requirements on heat preservation of an exterior wall and flatness of a plaster layer in place of the exterior wall template, an outer heat-preservation layer and the plaster layer. In the process, the template is not required to be removed, the heat preservation, heat insulation and water proofing performance are good, the thickness of the wall body is reduced, a great amount of materials and labor are saved, the construction period can be shortened, and the energy conservation requirement and the requirements on adhesion between the permanent template and a basic layer and flatness of a surface layer can be met. The template is suitable for high-rise and small high-rise buildings; the dwelling environment can be improved; the building function quality is improved; the building development benefit is improved; and the template has a wide application prospect.

The invention relates to a novel environment-friendly heat insulating coating and a preparation method thereof. The novel environment-friendly heat insulating coating comprises the following components in percentage by weight: 10 to 50 percent of film forming matter, 1 to 3 percent of expanded vermiculite, 5 to 25 percent of meerschaum, 1 to 20 percent of hollow microspheres, 0.5 to 5 percent of wetting agent, 0.5 to 5 percent of dispersing agent, 0.5 to 5 percent of defoaming agent, 0.5 to 5 percent of silane coupling agent, 1 to 10 percent of auxiliary agents, and 10 to 50 percent of solvent. The preparation method comprises the following steps of: grinding, vacuum filtrating, drying, grinding, screening and drying the expanded vermiculite, and then evenly mixing the dried expanded vermiculite with the dried meerschaum and the hollow microspheres to form a component A; mixing the film forming matter, the solvent, the wetting agent, the dispersing agent, the defoaming agent, the silane coupling agent and other auxiliary agents to obtain a component B; and evenly mixing the components A and B, and defoaming the mixture to obtain the heat insulating coating of the invention. The prepared insulating coating is coated on the surface of a working surface, is cured at the normal temperature and completely dried to achieve the effects of heat preservation and heat insulation.

The aerated concrete block is produced with fly ash 50-65 weight portions, lime 18-22 weight portions, gypsum 6-10 weight portions, cement 7-16 weight portions, composite gas former 4-8 weight portions, efficient fly ash activator 1-2 weight portions, composite stabilizer 1.5-3 weight portions and water in proper quantity; and through the production process including the steps of fly ash pre-treatment, crushing lime and gypsum, pre-activating fly ash, mixing the materials to prepare slurry and pouring, pre-curing, cutting, and steam curing to obtain the product. The production process adopts pre-activating and secondary activating and composite stabilizer, and the aerated concrete block product has low cement consumption, low cost and high strength.

The invention discloses a straw cement based compound porous self-heat-insulating material which is a new-type light, high-strength and porous building self-heat-insulating material prepared by foaming farmland straw, cement, industrial residue, foaming agent, waterproofing agent, coagulant, water reducer and water, and then mixing with gelled material slurry. The self-heat-insulating material comprises the following components by mass percent: 0.12-14.83% of farmland straw, 28.70-72.08% of cement, 0.40-43.52% of industrial residue, 0.04-0.40% of foaming agent, 0.06-0.89% of waterproof agent, 0.11-1.45% of coagulant, 0.06-0.13% of water reducer and 23.65-33.97% of water. The main raw materials, such as farmland straw, and industrial residue and other wastes used by the self-heat-insulating material prepared by the invention have wide resources, low cost and convenient preparation process, do not need high-temperature maintenance, simultaneously have excellent heat insulating performance, high mechanical strength, and have the outstanding properties of energy conservation, environmental protection, waste utilization, regeneration and the like.

The present invention discloses a fiber reinforcement fire-proof thermal insulation plate, which is prepared by raw materials having the following weight portions: 80-100 portions of fly ash, 30-50 portions of expanded perlite, 10-20 portions of haydite, 10-20 portions of vegetable fiber, 5-10 portions of winnowing beads, 5-8 portions of sepiolite, 3-5 portions of sodium fluorosilicate, 3-5 portions of calcium formate, 3-5 portions of flame-retardant, 0.1-0.5 portion of triisopropanolamine loeate and 0.1-0.3 portion of dimethoxy-ethane. According to the present invention, industrial production wastes are adopted as main raw materials, so that the production cost is reduced; and defects in the existing building thermal insulation plates can be effectively overcome through the cooperation effect produced by organic combination of the fly ash, light aggregates and additives.

The invention discloses a lightweight concrete exterior wall insulation building block and a production method thereof. The lightweight concrete exterior wall insulation building block is prepared by mixing the following raw material components in proportion by weight: 20-50 of cement, 20-40 of fly ash, 8-20 of fine sand, 1-8 of calcareous material, 5-16 of plant filler, 0.2-0.5 of adjuvant, 8-15 of water and 0.3-0.7 of foaming agent. The production method of the lightweight concrete exterior wall insulation building block comprises the following steps of: forming raw material slurry by uniformly mixing production raw materials in mixing proportion; adding the water to the foaming agent, and generating uniform and stable bubbles by using a foaming device; mixing the bubbles with the raw material slurry so as to prepare bubble concrete slurry; and casting the bubble concrete slurry into a mold and curing. According to the lightweight concrete exterior wall insulation building block and the production method of the lightweight concrete exterior wall insulation building block, the plant filler, such as sawdust or crop straw powder, is mixed, so that the weight is reduced, the flexibility is improved, and the improvement on the strength of a finished product and the cracking prevention are favored; and the bubbles are enabled to be uniformly distributed in the raw material slurry by adding the foaming agent, so that not only is the weight of the building block reduced, but also the heat preservation and heat insulation effects are improved.

The invention relates to a low-alkaline adhesive mortar compote vacuum heat insulation board which comprises a vacuum heat insulation board and low-alkaline adhesive mortar which is coated on the periphery of the vacuum heat insulation board. The vacuum heat insulation board consists of core materials, a high-strength gas-blocking membrane and interface mortar, the high-strength gas-blocking membrane is coated on the periphery of the core materials and packed with the core materials in a vacuumizing mode, a layer of the interface mortar is coated on the periphery of the high-strength gas-blocking membrane, and the thickness of the interface mortar is 0.1-3 mm. The low-alkaline adhesive mortar compote vacuum heat insulation board has the advantages of overcoming a phenomenon that damage on traditional vacuum heat insulation materials occurs in the process of construction. The low-alkaline adhesive mortar compote vacuum heat insulation board is convenient to construct, good in heat insulation effect, and fireproof in class A.

The invention discloses a foam light refractory casting material. The foam light refractory casting material consists of a refractory raw material, a combined raw material and an auxiliary raw material, wherein the raw materials are pulped to be mixed with special foam at a high speed, and the mixture is hardened to obtain the microporous light refractory material. The foam light refractory casting material does not utilize a light refractory raw material but directly adopts the heavy refractory raw material, so that the raw material is abundant and easily available and is flexible in preparation, the production cost of the casting material is only half to one third of that of an original light refractory casting material, and the casting material has the characteristic that the cost is lower when the volume weight of the material is lighter, which is contrary to the characteristic that the cost is higher when the volume weight is higher of the original light refractory casting material; and light materials with different volume weights, different strengths and different application temperatures can be designed by selecting different material formulas and adding different quantities of foam. The foam light refractory casting material can be used for making a heat preserving layer and an insulation layer of a stove as well as an inner fire retardant coating of the stove.

A hollow microsphere masonry dedicated thermal insulation mortar and a dedicated surface mortar, especially a wall self-insulation system-matching hollow microsphere masonry dedicated thermal insulation mortar and a dedicated surface mortar, relate to a constuction energy-saving technology. The hollow microsphere masonry dedicated thermal insulation mortar comprises, by weight, 20-30% of special cement, 2-6% of coal ash, 20-35% of quartz sand, 5-8% of master batch, 35-45% of hollow microphere, and 3-6% of coarse whiting; and the hollow microsphere masonry dedicated surface mortar comprises, by weight, 28-40% of ordinary Portland cement, 3-6% of coal ash, 7-10% polymer, 40-55% of quartz sand, 10-16% of hollow microsphere, and 1-3% of coarse whiting. With a low heat conductivity coefficient, excellent thermal insulation effect, high compression strength, high bonding strength, low contractibility, environment-friendly and fire-proof properties and notable composite economic results, the wall self-insulation system-matching dedicated thermal insulation mortar and a dedicated surface mortar provided in the invention can be widely popularized and used in wall self-insulation system buildings.

The invention discloses a water-based transparent heat-insulating paint used for energy-saving doors and windows. The paint comprises the following components by weight: 50 to 60% of an aqueous base latex, 20 to 30% of aqueous nanometer heat-insulating slurry, 0.5 to 1% of a defoaming agents, 1 to 5% of a thickening agent, 0.5 to 1% of a film forming auxiliary agent and 0.5 to 1% of a leveling agent, with the balance being deionized water, wherein the aqueous base latex is an aqueous acrylic resin emulsion with solid content of 30 to 60 wt% or an aqueous polyurethane resin emulsion with solid content of 30 to 60 wt%, and the aqueous nanometer heat-insulating slurry contains the two functional particles consisting of fluorine-doped tin oxide and aluminum-doped zinc oxide. The invention further discloses a preparation method for the paint. The paint prepared in the invention can be coated on the surface of door and window glass to form a transparent film; and the film can absorb the vast majority of ultraviolet light and obstruct more than 60% of infrared light and has average transmittance of more than 70% in a visible light area.

The invention provides a foam concrete with large-dosage polystyrene particles and a preparation method thereof, which solve problems of water leakage and frost resistance of the foam concrete. The foam concrete comprises components in part as follows: 63-81 parts of ordinary portland cement, 63-81 parts of quick-hardening sulphoaluminate cement, 10-30 parts of coal ash, 0.5-1.3 parts of water reducing agent, 1-2 parts of accelerating agent, 0.6-1.2 parts of early strength agent, 1-2 parts of fiber, 2-4 parts of silica sol, and 50-70 parts of water. The percentage in volume (liter) of the polystyrene particles in added water is 200-400percent, and the percentage in volume (liter) of foam in the added water is 100-600percent. In the preparation process, the treated polystyrene particles stand for 10 min, and the foam can be added after standing uniformly-stirred cement slurry for 20 min. On the premise of ensuring the intensity, the foam cement disclosed by the invention has the advantages of higher heat preservation and heat-shielding performance, higher electric insulating performance, lower volume weight and lower water absorption. The problems of the water leakage and the frostresistance of the foam cement can be solved.

The invention discloses a polyurethane composite insulation board, which consists of a surface layer and an insulating layer, wherein the surface layer is fiber reinforced polyurethane, the density range of the surface layer is between 0.1 and 1.2 g/cm, and the surface layer contains 5 to 50 percent of reinforcing fiber; and the insulating layer is low-density polyurethane, the density range of the insulating layer is between 0.01 and 0.4 g/cm, and the insulating layer contains 5 to 50 percent of reinforcing fiber. A preparation method comprises the following steps: (1) opening an upper mold and a lower mold, evenly laying the polyurethane and glass fiber in a female mold, closing the molds and foaming to manufacture the surface layer; (2) spraying and laying the low-density polyurethane or the fully-mixed reinforcing fiber or the low-density polyurethane of structural polyurethane on the surface layer by adopting special spraying equipment, forming and molding, and manufacturing the insulating layer to form the composite insulation board; and (3) taking out the insulation board. The insulation board has light dead weight, good effect of heat insulation, high strength, difficult deformation, simple manufacturing process and low cost.