32results about How to "Conducive to building energy saving" patented technology

The invention discloses a roof heat preservation plate and a production method and application for the roof heat preservation plate. The roof heat preservation plate consists of a surface layer and a bottom layer; the thickness of the surface layer is 5-7mm; the thickness of the plate is 100-120mm, and the comprehensive density of the plate is 700-1000kg / m<3>; a production raw material of the surface layer comprises 15-19% of cement, 11-15% of slag powder, 41-47% of sand, 0-0.8% of brightening agents and 21-26% of water; and a production raw material of the bottom layer comprises 42-46% of cement, 15-20% of slag powder, 5.5-8.5% of sand, 0.45-0.80% of water reducing agents, 1.5-2.5% of curing agents, 0.07-0.25% of foaming agents and 25-29% of water. The roof heat preservation plate is convenient to construct, is light, heat-insulation, waterproof and fireproof, and is beneficial for energy conservation of a building, simple in production procedure and good in durability. The service life of the roof heat preservation plate is the same as that of main work.

The invention discloses a lightweight concrete and a preparation method and applications thereof. The lightweight concrete is composed of raw materials such as cement, industrial waste residues, lightweight aggregates, a water reducing agent, water, an exciting agent and a polymer emulsion. The preparation method comprises the steps of carrying out surface treatment, mixing and stirring and the like on the raw materials. The lightweight concrete prepared by using the method disclosed by the invention can be used for being prepared into lightweight concrete blocks, because lightweight aggregates subjected to surface treatment and industrial waste residues subjected to activation are adopted in the production process of the lightweight concrete disclosed by the invention, and a specific polymer emulsion composed of a curing agent and resins is added, lightweight concrete blocks have the advantages of high strength and high toughness, and the weights of the lightweight concrete blocks are also reduced. In addition, the lightweight concrete disclosed by the invention also has the advantages of simple preparation method, convenience for operation, easiness for promotion and application.

The invention relates to a gypsum-based self-leveling mortar and a preparation method thereof. The gypsum-based self-leveling mortar comprises: SiO2 aerogel, Portland cement, desulfurization gypsum, aretarder, a water reducing agent, latex powder, a stabilizer and a filler, wherein the preparation method of the SiO2 aerogel comprises: preparing a silane coupling agent solution from a silane coupling agent and water, adding hydrophobic SiO2 aerogel into the silane coupling agent solution, and stirring until the hydrophobic SiO2 aerogel is completely dissolved in the silane coupling agent solution. The preparation method of the gypsum-based self-leveling mortar comprises: carrying out surface modification on a hydrophobic SiO2 aerogel by using a silane coupling agent; mixing the modified SiO2 aerogel and Portland cement, and carrying out ball milling; and adding other components, and uniformly mixing. The present invention further a gypsum-based self-leveling slurry prepared by using the gypsum-based self-leveling mortar. According to the present invention, the gypsum-based self-leveling mortar and the gypsum-based self-leveling slurry have advantages of good thermal insulation andgood sound insulation property.

The invention relates to a passive window wall system with the functions of light guiding, sun shading and air venting. The passive window wall system comprises a window frame, a horizontal planter, a lower hanging window, a sun shading and light guiding plate, a fixed window, a sun shading curtain and a middle hanging window, wherein the lower hanging window, the sun shading and light guiding plate, the fixed window and the middle hanging window are sequentially arranged on the window frame from top to bottom; the sun shading curtain is arranged at the inner side of the fixed window; the horizontal planter is located at the outer side of the window frame and is located at the tilted upper part of the lower hanging window, and the horizontal planter and the window frame are integrally poured and formed. According to the passive window wall system with the functions of light guiding, sun shading and air venting, disclosed by the invention, the contradiction among sun shading, light catching and air venting of a common external window system is solved, strong direct-illuminating light rays in a room can be filtered, dazzle light is avoided, the air venting volume of an external window in not influenced while high-quality natural light catching is provided, and a healthy indoor environment and a good visual field are provided.

The invention discloses a steam-cured high-performance foam concrete block which comprises 55-60% of cement, 7-9% of slag powder, 5-8% of sand, 0.5-1.0% of a water reducing agent, 0.88-3% of a curing agent, 0.06-0.3% of a foaming agent and 24-26% of water, wherein the mass of the slag powder is less than 20% of that of the cement which is P.O42.5R cement. According to the foam concrete block, the curing agent is used, so that structural pulverization, collapse of dies and the like are avoided, and the steam-curing effect is improved; water-proof, heat preservation and thermal insulation effects of products are good, and building energy saving is facilitated; the products have good durability and the same service life with a main construction; and the problems of low strength, pulverization, large shrinkage, collapse of dies and the like of low-density foam concrete are solved.

A cold-proof vertical greening device, which is characterized in that it includes a flowerpot body containing two cavities and a section bar for placing the flowerpot body, the section bar is a C-shaped steel section bar, and the section bar has an outwardly turned edge , forming two symmetrical guide rails; the main body of the flower pot includes a planting cavity and a heat storage cavity, and the two cavities are separated by a partition, and at the junction of the outer surfaces of the planting cavity and the heat storage cavity A groove that can accommodate the guide rail of the profile is set; the heat storage cavity of the main body of the flowerpot is placed in the profile; a transparent sliding cover with the same shape as the planting cavity is arranged on the guide rail of the profile, and the transparent sliding cover is placed outside the planting cavity and its The longitudinal edge is embedded in the guide rail of the profile to form a structure that encloses the planting cavity and can slide up and down along the guide rail. The invention has the advantages of simple structure and convenient installation. Especially in winter, it can simultaneously realize the heat preservation and cold protection of the building wall and the heat preservation and cold protection of the plants themselves, thereby ensuring a good growth environment and viewing environment for the plants.

The application discloses a gypsum-based machine-sprayed mortar and a preparation method thereof, and a gypsum-based machine-sprayed mortar. The gypsum-based machine-blast mortar includes desulfurized gypsum, setting-adjusting enhancer, cement, water-retaining agent, retarder, water-reducing agent, latex powder, fly ash and aggregate; the preparation method includes: removing the setting-adjusting enhancer Mix other components except the agent to obtain premixed powder; prepare the coagulation-adjusting enhancer with water into a solution; add the coagulation-adjusting enhancer solution and water before the premixed powder passes through the nozzle of the mechanical spraying equipment; the gypsum-based machine spray The rendering slurry comprised the gypsum-based machine-blasted mortar described above and water. The setting time of the gypsum-based machine-sprayed mortar of the present application can be delayed to the greatest extent before passing through the nozzle, and it can be quickly condensed after passing through the nozzle. Good compatibility, easy to adjust and control.

The invention relates to a solar water heater which comprises a heat collector formed by heat collection pipes and a water storage tank. The water storage tank is in a square-hole structure enclosed by a pipeline, the square-hole pipeline is provided with a water inlet corresponding to a low position and is provided with a water outlet corresponding to a high position, and a square-hole frame enclosed by the square-hole pipeline is of a plate structure; the heat collector is arranged in the square-hole frame and is formed by a plurality of heat collection pipes which are horizontally arrangedin parallel, and one end of each heat collection pipe is arranged in the square-hole pipeline to carry out heat transfer with the square-hole pipeline; the square-hole pipeline is provided with an expansion tank for pressure regulation and an exhaust valve for pressure release. The invention adopts the plate type square-hole frame structure. The heat collection pipes which are horizontally arranged is not limited by sunlight angles having the same illumination area and the same thermal recovery effect, and only needs to be arranged facing to the south without needing to be equipped with an inclined bracket. The invention is convenient to use, and saves the cost.

The invention provides a folding box body type inflation mold house. The folding box body type inflation mold house comprises an integrated floor, an external envelope structure of the house, and a roof of the house. The integrated floor is formed by flat laying all unfolded box faces of a box body. The external envelop structure and the roof of the house are integrally formed after inflation molds connected to all lateral sides of all the box faces are inflated and unfolded. The inflation mold house further comprises an integrated inner wall, an integrated kitchen, an integrated toilet, prefabricated steps, ramps and the like. Each box face of the box body is composed of a structural layer and a finish coat. The structural layers formed by trave beams are divided into device layers and structure layers. The finish coats are divided into waterproof floors and functional floors. The inflation molds can be folded and plugged into air mold installation grooves when not inflated. The bottom edges of the inflation molds are closed and attached and fixed into the air mold installation grooves. Air mold inflation openings are formed in the inner sides of the four lateral sides of each spliced box face respectively and communicated with the inflation molds through air pipes. The house has the advantages of being easy to transport, capable of being rapidly set up, intelligent, ecological and highly integrated, allowing the space to be flexibly segmented, and allowing the inflation molds to be repeatedly used.

The invention provides an ultra-thin stone decorating plate suitable for heat preservation. The ultra-thin stone decorating plate suitable for heat preservation comprises an ultra-thin stone plate, a VIP part boned on the inner side face of the ultra-thin stone plate through adhesives, and a bottom plate bonded on the inner side face of the VIP part through adhesives. A plurality of pits and protrusions or a plurality of strip-shaped grooves or grating-shaped grooves are distributed on the inner side face and the outer side face of the VIP part. If the ultra-thin stone plate is a flat plate, by means of the distribution of the pits and the protrusions or the strip-shaped grooves or the grating-shaped grooves, after a film bag with a core material is placed in a vacuum cavity and enters a normal-pressure environment after vacuumizing and sealing are conducted, the VIP part is a planar plate body; in other words, the tension of the film material on the inner side face of the VIP part and the tension of the film material on the outer side face of the VIP part can be consistent, and the VIP part is prevented from being bent.

The invention relates to a dry powder plastering mortar made from ceramic waste residues and a manufacturing method thereof. The manufacturing method is characterized in that ceramic waste residues, fly ash, marble waste residues, silicate cement, calcium oxide, calcium sulfate, expanded polystyrene, starch ether, alkylbenzene sulfonate air entraining agent, methyl cellulose ether, polycarboxylate high-efficiency water reducing agent and vinyl acetate-ethylene copolymer gelatine powder, which are used as raw materials, are evenly mixed by a mixer to make the dry powder plastering mortar product. The raw materials in the invention can also be made into different types of thermal-insulation mortar and waterproof mortar. The product has the advantages and effects of light weight, high strength, no pollution, low cost and favorable benefit.

The invention relates to a prefabrication and assembly type roof. The prefabrication and assembly type roof consists of modular roof plates and peripheral roof strips, wherein each modular roof plate comprises a concrete layer and a steel frame layer; each roof strip also comprises a concrete layer and a steel frame layer; the roof plates are connected to one another integrally through welding layers, asphalt layers and concrete filling-in layers; and the roof plates are connected with the roof strips integrally through welding layers, asphalt layers and concrete filling-in layers. Gaps among the roof plates and gaps among the roof plates and the roof strips are welded to one another through the steel frame layers so that welding layers are formed, a waterproof asphalt layer is arranged on each welding layer in a priming manner, a concrete filling-in layer is arranged on each asphalt layer in a filling manner, and a three-in-one connecting structure is formed. The prefabrication and assembly type roof has the advantages of high strength, high waterproofness and high manufacturing and mounting speed.

The invention discloses an indoor thermal environment control method based on model reduction and multi-model prediction control. The method includes the three main steps that firstly, a temperature variation section of an indoor user region is segmented, modeling is conducted on the equilibrium state position of each segment through computional fluid dynamics (CFD) software and the proper orthogonal decomposition (POD) technology, and a low-order linear building thermal environment in a multi-model type is reconstructed; secondly, multi-model switching time is reasonably selected through an optimization algorithm; thirdly, accurate control over the user region temperature is conducted on each sub model through a prediction control method. Low-order models of the building indoor thermal environment are constructed through the POD technology and the multi-model method, the influence of space distribution on the temperature variation can be fully taken into consideration in a temperature regulation strategy, and accuracy of indoor temperature control is improved. Compared with an existing temperature control strategy adopted in large space, the indoor thermal environment control method has the advantages that accuracy is high, and energy saving of a building is facilitated.