144results about How to "Improve thermal insulation and energy saving" patented technology

This invention relates to a method for preparing low-radiation heat-insulating transparent film for controlling sunlight. The film is composed of: organic polymer 70-99.9 wt. %, doping metal oxide nanoparticles 0.1-30 wt. % and adjuvant 0-29.9 wt. %. The method comprises: (1) uniformly dispersing the doping metal oxide nanoparticles into a dispersing medium, mixing with the organic polymer and the adjuvant, and drying to obtain master batches; (2) plasticizing, smelting or extruding and blowing, calendaring, stretching, extruding and casting to obtain the film. The film can be used as the coating film for architecture glass, automobile window and ship window, and has such advantages as high visible-light permeability, good sunlight obstructing effect, good anti-electrostatic effect, and good electromagnetic radiation resistance.

The invention discloses a prefabricated sandwich heat-preservation heat insulation concrete external wall panel and a fabrication method. An integral composite wall panel which is structured in a way of wall body- heat insulation-architectural decoration from interior to exterior is adopted, the wall body is a load-bearing concrete structural layer, the middle of the wall panel adopts a heat insulation board, and the outermost side of the wall panel is an architectural decoration cladding panel, the three layers of the wall panel are connected into a whole by heat insulation connectors, so that the composite external wall panel is applicable to assembling an integral shear wall structure or an integral frame-shear wall structure, and also meets the requirements of buildings on energy conservation and fire protection. The prefabricated sandwich heat-preservation heat insulation concrete external wall panel is prefabricated in a factory and is mounted on site, so that the production and construction efficiencies are high, and the quality is also ensured; besides, the external wall panel realizes energy conservation, environmental protection, fire protection and heat insulation, and also has remarkable comprehensive benefits.

The invention discloses multifunctional green building materials with functions of fire prevention, thermal insulation and sound insulation and aims to overcome the defect that current building materials are poor in thermal insulation and sound insulation effects. The green building materials comprise an inner fire preventing layer, an outer sound insulation layer and a thermal insulation layer between the inner fire preventing layer and the outer sound insulation layer, wherein the thermal insulation layer is connected with the fire preventing layer through an adhering layer, and the thermal insulation layer is connected with the sound insulation layer through an adhering layer. The multifunctional green building materials have the advantages that the building materials are good in thermal insulation performance, the heat conductivity coefficient of the building materials is 0.01-0.05W/(m*K), the building materials are good in thermal insulation and energy saving effects and good in fire preventing performance, the fire resistance duration of the building materials is larger than 3 hours, an A-level fire preventing standard can be reached, good fire resistance is achieved, a good sound insulation performance is achieved, noise influence can be reduced greatly, good durability is achieved, and the building materials are resistant to high temperature and low temperature and good in corrosion resistance and weather resistance.

The invention belongs to building mortar, and particularly relates to lightweight gypsum plaster mortar which is the secondary development of gypsum plastered product technology. The lightweight gypsum plaster mortar is used for leveling inner sides of outer walls, inner partition walls and ceilings of buildings, and the heat-insulated effect is good. Because the flue gas desulphurized building gypsum of power plants is used, the problem of disposing and using the desulphurized gypsum is solved, and the circulating economy is developed. The method for preparing the plaster mortar comprises the following steps of: accurately weighing up the following materials in part by weight: 70 to 80 parts of flue gas desulphurized gypsum of power plants, 15 to 25 parts of vitreous hollow microsphere, 0.2 to 0.4 part of cellulose ether, 0.3 to 0.6 part of air entraining agent and 0.2 to 0.5 part of retarding agent; and putting the materials into a container, adding 60 to 120 parts of water into the container, and uniformly stirring the mixture at the normal temperature to obtain the lightweight gypsum plaster mortar. The lightweight gypsum plaster mortar has the advantages of moderate strength, unnecessary additional making of protective covering, direct leveling after plastering, high performance cost, high workability, short construction period, functions of preventing fire, absorbing sound, and adjusting air humidity and no emission of CO2 in the production process.

A self-controlling phase-variable and energy-storage material and its production are disclosed. The material consists of cement 25-35 proportion, fly ash 5-8 proportion, phase-variable powder containing paraffin 20-30 proportion, fined slag powder 4-8 proportion, rubber powder 3-6 proportion, fiber 1-3 proportion and light aggregate 20-30 proportion. The light aggregate can be glass micro-pearl or polyphony grain, which is distributed with formaldehyde decomposing agent. It can release heat-energy storage by medium phase variation, improve indoor heat circulation, properties of thermal-insulation, heat-storage and wet breathing and have on base leakage.

The invention discloses a heat insulation energy-saving material. The heat insulation energy-saving material comprises the following components in parts by weight: 60-80 parts of cement, 30-40 parts of mineral cotton, 20-30 parts of sodium silicate, 10-30 parts of natural zeolite powder, 10-20 parts of coal ash, 5-15 parts of mullite fibers, 3-8 parts of floating beads, 5-10 parts of polyvinyl alcohol, 2-8 parts of carboxymethyl cellulose, 5-10 parts of a nano inorganic oxide, 8-15 parts of glass beads, 3-8 parts of glass fibers and 4-10 parts of an additive. The heat insulation energy-saving material is prepared by such processes as grinding dispersion, high-temperature mixing, standing cooling, sieving separation, pressing molding and high-temperature sintering. The heat insulation energy-saving material has the advantages of fire resistance, long service life, small heat conduction coefficient, environmental friendliness and the like, and meanwhile, has good acid and alkali corrosion resistance and ultrahigh weatherability.

The invention discloses an anti-condensation outer insulative wall body structure and belongs to the technical field of wall body structures. The structure is characterized in that an inside air layer (9) and a water-steam-preventing layer (8) are sequentially arranged between an inner decorative plate (10) and a base layer load-bearing wall body (7); inner layer through holes (11) are arranged both on the upper portion and the lower portion of the inner decorative plate (10), and the inner layer through hole on the upper portion is connected with a wind-returning opening (14) are to ensure that negative pressure is formed by the inside air layer (9), and that cross-ventilation is formed between the inside air layer (9) and an interior of a room; a water diffusion layer (4), a water-proof layer (5) and an outside air layer (2) are sequentially arranged between an inflaming-retarding-type insulative material layer (5) and an outer decorative plate (1); and outer layer through holes (13) for the outside air layer (2) and the outside of a room to be communicated and form cross ventilation are arranged both above and below the outer decorative plate (1). The anti-condensation outer insulative wall body structure is obvious in level and structure, has good insulative, energy-saving, moisture-permeable and damp-proof performance, and can radically overcome critical defects that the inside of a building wall body is easy to be affected with damp, condensate, mildewed and airtight.

The invention relates to the technical field of building energy saving, in particular to an energy-saving self-insulation wall and a construction process thereof. A self-insulation wall material is built into a self-insulation wall base through insulation mortar special for hollow microsphere masonry for the energy-saving self-insulation wall; a protective layer is made outside the self-insulation wall base through plaster mortar special for the hollow microsphere masonry; an impermeable anti-cracking layer is made outside the protective layer; a facing layer is made outside the impermeable anti-cracking layer; thus, the energy-saving self-insulation wall is formed. The insulation mortar and plaster mortar special for the hollow microsphere masonry have a small heat conductivity coefficient, high compressive strength, good adhesion, good workability, and small shrinkage, prevent energy loss of masonry mortar joints, eliminate 'cold and heat bridges' in blocks and greatly enhance insulation and energy-saving effects of the self-insulation wall, so that physical performance indexes of a building wall, such as thermal performance, are better than those in the standard for energy-saving self-insulation buildings. The energy-saving self-insulation wall is a building structure good in energy-saving and insulation effects, environment-friendly, fireproof and significant in economic benefit and is widely applicable to energy-saving self-insulation system buildings.

The invention relates to production of a hollow wall body module and a building utilizing the hollow wall body module, and aims to provide a hollow reinforced concrete prefabricated wall body module. The module is T-shaped, L-shaped, cross-shaped or transversely l-shaped; a plurality of through holes which penetrate through the module along the vertical direction are uniformly formed in the module; the hollow reinforced concrete prefabricated wall body is characterized in that each through hole is a square body of which the edges are parallel to the surface of the module; a groove for accommodating a girth reinforcing steel bar is formed in the upper end of the module; at the part, positioned in an outer wall, of the groove, the height of the groove wall of the groove is equal to the height of the groove wall on the other side after a floor slab is placed; at the part, positioned in an inner wall, of the groove, the heights of the groove walls on the two sides of the groove are equal; at the part, positioned in the outer wall without the floor slab of the building, of the groove, the heights of the groove walls on the two sides of the groove are equal. By using the module, the integrity of the building can be enhanced remarkably, the structural performance of the building can be improved, the construction process of the building can be simplified, and the construction efficiency of the building can be improved; the overall module is light in weight, convenient to machine, and lower in cost; the scaffolding-free, framework erecting-free and painting-free requirements are met.

The invention relates to the technical field of concrete materials and particularly discloses load-bearing heat-preserving concrete utilizing wastes as coarse and fine aggregates and a preparation method of the load-bearing heat-preserving concrete. The load-bearing heat-preserving concrete utilizing the wastes as the coarse and fine aggregates comprises the following components in parts by weight: 8-15 parts of water, 16-28 parts of cement, 2-5 parts of fly ash, 18-26 parts of tailing waste sand, 4.6-6.5 parts of glazed hollow beads, 45-57 parts of high-titanium heavy slag, 0.26-0.33 part ofa water reducing agent. The load-bearing heat-preserving concrete disclosed by the invention utilizes the high-titanium heavy slag as the coarse aggregates and the tailing waste sand as the fine aggregates and solves the problems of land resource waste and environmental pollution caused as a large amount of slag and tailing waste sand occupy a large amount of land; the thermal conductivity coefficient of the prepared load-bearing heat-preserving concrete is 0.09-0.22 W/(m*K), so that the heat-preserving and energy-saving performance of a wall body are greatly improved.

The invention relates to an insulation sound-absorbing decorative plate and a preparation method, which belongs to the technical field of building material. The insulation sound-absorbing decorative plate comprises a substrate, a superficial layer and a bottom layer; the substrate is spliced with the superficial layer through PUR glue, the other surface of the substrate is spliced to the bottom layer; the materials of the substrate are PP fiber and glass fiber; the material of the superficial layer is a PP membrane, or a PVC membrane, or a PETG membrane; and the material of the bottom layer is non-woven fabrics. The preparation method comprises the following steps: 1)mixing the PP fiber and glass fiber, using an air laying method to prepare an original substrate; 2)taking the non-woven fabrics as the bottom layer, compacting one side of the original substrate and the bottom layer by a veneer press under the temperature of 180-220 DEG C to prepare a double-layer plate; 3)performing corona treatment and preheating the substrate surface of the double-layer plate, then coating the PUR glue; and 4)applying the superficial layer and the substrate of the double-layer plate together. The insulation sound-absorbing decorative plate does not contain asbestos, benzene and formaldehyde which are harmful to human body, light pollution of a matte series product can be avoided, and the production technology enables environmental protection.

The invention discloses a fast-assembled integrated house wall plate corner connecting column. A panel of the connecting column is provided with at least two notches in insertion assembling with a connecting piece, inserts are embedded into the notches, and inclined inserts are arranged on the two sides of the notches. The connecting column is of an L shape or T shape. A region defined by the notches is filled with inorganic composite heat preservation materials. By means of the fast-assembled integrated house wall plate corner connecting column, connecting integrity of all components is improved, and the strength of the connecting column is also improved; because a wall body is connected through the corner connecting column, the overall structural strength, overall rigidity and stability of a house are greatly improved, reliable, easy and fast wall plate installing and connection can be achieved, the heat preservation and energy saving performance of the wall plate is improved, cracking is reduced, the construction cycle is shortened, and economic benefits are improved.

The invention provides an integrated heat preservation and decoration system of radiation heat insulation rock wool which is fixedly connected by steel mesh and a construction method thereof, wherein the system is connected to the surface of a building and is orderly connected to rock wool, a radiation heat insulation film, a steel plate expansion mesh, a bonding polymer mortar, an interface curing agent, an alkali-resistant self-adhesive fibre gridding cloth, an anti-cracking polymer mortar and a decoration surface; wherein the outer surface of the bonding layer is provided with the alkali-resistant self-adhesive fibre gridding cloth, the outer surface of the alkali-resistant self-adhesive fibre gridding cloth is cured and combined with the anti-cracking polymer mortar layer to form an anti-cracking layer and the outer surface of the anti-cracking layer is connected to the decoration layer. The bonding polymer mortar of internal layer comprises one or two layers. A second interface curing agent layer is disposed between the anti-cracking polymer mortar and the decoration surface. The decoration surface is coating, wallpaper, ceramic tile, glass or stone. The integrated heat preservation and decoration system of radiation heat insulation rock wool fixedly connected by steel mesh and the construction method thereof provide by the invention have the advantages that the material construction is simple, the space is small, the purpose for effectively obstructing heat conduction, thermal convection and thermal radiation can be realized, the influence of the thermal environment outside the building to the thermal environment inside the building can be reduced and the system can be widely applied to the construction of building insulation.

The invention discloses a fireproof composite wall for building protection. The simple wall comprises a bearing wall (1); multiple prestress dispersion layers (2) are transversely bonded on the two sides of the bearing wall (1) end to end; sandwich layer fillers (3) are cast in two space formed by the prestress dispersion layers (2) and the bearing wall (1); the sandwich layer fillers (3), the prestress dispersion layers (2) and the bearing wall (1) are integrally injected to form a simple wall main body. The simple wall is simple in structure and novel in design, improves the earthquake resistance of the overall wall structure, reduces the design strength and cost of wall components, meanwhile, greatly improves the shear resistance and the integrity, and has such advantages as excellent integrity, excellent earthquake resistance, higher bonding and anti-shearing capacity and excellent finished wall molding effect.

The invention discloses a heat resisting bridge composite counter radiation rock wool energy-saving decoration system and a construction method thereof. The system comprises a counter radiation heat insulation layer which is attached to a construction wall, wherein the counter radiation heat insulation layer comprises pieces of counter radiation rock wool attached to the side wall of the construction wall and fireproof glass fiber aluminum foil adhesive tapes connected between every two adjacent pieces of counter radiation rock wool; an adhesion layer is arranged on the outer side of the counter radiation heat insulation layer; an interface curing agent is coated on the outer side of the adhesion layer; and a decoration layer is arranged on the outer side of the interface curing agent. Inthe decoration system, a structure that a layer of rock wool is laid and then another layer of rock wool is laid is eliminated, but the counter radiation rock wool is utilized, so that the system hasa better heat insulation effect; simultaneously, a purpose-made heat resisting bridge heat insulation anchor bolt is used for directly fixing the counter radiation rock wool and a steel plate expansion mesh in the adhesion layer, so that a heat bridge cannot be generated, and the construction wall is more firmly anchored and connected.