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

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.

The invention discloses a Bayer process red mud and gangue porous sintered brick and a production method thereof. The porous sintered brick is prepared from the following raw materials: 60 to 75 parts of Bayer process red mud; 25 to 35 parts of gangue; 2 to 6 parts of tailings or wastes in chemical plants; and 0.5 to 3 parts of pore-forming agent. The preparation method of the brick comprises the following steps: after dehydrating the Bayer process red mud, mixing and uniformly stirring the Bayer process red mud and other ground raw materials, aging for 1 to 3 days, and adding water to stir aged powder in a stirring machine so as to obtain mud; carrying out extrusion forming on the mud under the extrusion pressure of 1.5 to 2.5MPa by adopting a stiff-plastic process so as to obtain a semi-finished product which accords with the specified dimension and the specified shape; and drying a mold brick and sintering the mold brick in a tunnel kiln to obtain the Bayer process red mud and gangue porous sintered brick. The product reaches the national strength standard of the sintered bricks. In the technology, the total use amount of industrial wastes is close to 100 percent; a large number of farmlands are saved; land resources are effectively protected; and the Bayer process red mud and gangue porous sintered brick and the production method thereof accord with the national policies of saving energy and reducing emission and have obvious environmental benefits, social benefits and economic benefits.

The technological process of producing light high strength sintered brick adopts municipal sludge in 30-50 wt% and wet fly ash in 45-65 wt% as the main materials and small amount of fluxing and pore creating agent. The present invention has total use amount of municipal sludge and wet fly ash over 90 wt%, and possesses the features of waste utilization, environment friendship, etc. The produced light high strength sintered brick as one kind of green building material has light weight, high heat insulating performance, etc.

A cold-proof vertical greening device is characterized in that a flowerpot body provided with two cavities and a profile used for holding the flowerpot body are included, and the profile is of a C-shaped steel shape and is provided with folded edges turning outward to form two symmetric guide rails; the flowerpot body comprises a planting cavity and a heat storage cavity, the two cavities are isolated through a partition board, and grooves capable of containing the profile guide rails are formed in the combination portions of the outer surfaces of the two sides of the planting cavity and the heat storage cavity; a part of the heat storage cavity of the flowerpot body is contained in the profile; the guide rails of the profile are provided with a transparent slide cover of the same shape as the planting cavity, the transparent slide cover is arranged outside the planting cavity, longitudinal edges of the transparent slide covers are embedded in the guide rails of the profile, and a structure capable of surrounding the planting cavity and sliding up and down along the guide rails is formed. The cold-proof vertical greening device is simple in structure, convenient to install, especially in winter, heat preservation and winter protection of building walls and plants can be achieved at the same time, and good growth environment and ornamental environment of the plants are guaranteed.

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.

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 belongs to the technical field of building material manufacturing, particularly relates to a decoration-integrated self-insulation recycled concrete block and a manufacturing method thereof. Materials of the concrete block include water, recycled coarse aggregate, mine tailing admixtures, slag grinding fine particles after active treatment, 42.5 cement, machine-produced medium sand and glass beads. The concrete block is inside provided with a plurality of via holes for insulation. The wall outside of the concrete block is provided with a decorative coating layer. The manufacturing method of the concrete block comprises the following steps 1) manufacturing the concrete block as a certain proportion of raw materials; 2) maintaining the concrete block for 4-7 days; and 3) painting an insulation antiflaming decorative coating on the outside of the concrete block to form a decorative coating layer. The concrete block is energy-saving, green, low in cost, and good in effects.

The invention relates to a magnesia cement glued straw artificial board and a preparation method thereof. The magnesia cement glued straw artificial board is manufactured by compounding straw and magnesia sulphoaluminate cement. The weight ratio of the straw to the magnesia cement is, for example, 100: 30 to 100: 200. Preferably, the magnesia cement is magnesia sulphoaluminate cement with high sugar resistance. The magnesia cement glued straw artificial board has the advantages that (1) agricultural waste straw is utilized; (2) a semi-dry hot press molding process is adopted, so that the production period is shortened; and (3) the manufactured magnesia cement glued straw artificial board is fireproof, waterproof, anti-aging, anti-mildew, large in thermal resistance and beneficial to building energy conservation.

The invention discloses a system for monitoring the window opening and closing condition of an office building in real time. The system includes high-performance graphics processing unit GPU micro-station, HD camera, system-on-chip SoC with neural network logic processing unit The system comprises a high-performance graphic processing unit (GPU) micro workstation, a high-definition camera and a system-on-chip SoC with a neural network logic processing unit, and the high-definition camera transmits data to the high-performance graphic processing unit (GPU) micro workstation, uploads image dataand stores the image data in the high-performance graphic processing unit (GPU) micro workstation; Wherein the SoC data is transmitted to the building central control system, and the building centralcontrol system controls the operation of a target office building to be monitored; The neural network image processing system-on-chip (Soc) is connected with the high-definition camera, the position of the high-definition camera is debugged and then aligned with a to-be-monitored office building facade, and real-time data windowing data is obtained. The invention further discloses a method for monitoring the window opening and closing condition of the office building in real time. According to the invention, the personnel window opening and closing random behavior rule of an office building isresearched and explored.

The invention discloses a reflective insulation and phase-change thermal-insulation integrated board and a preparation method thereof. The reflective insulation and phase-change thermal-insulation integrated board comprises a phase-change thermal-insulation composite layer and a reflective insulation facing positioned on the phase-change thermal-insulation composite layer; the reflective insulation facing comprises a leveling putty, seal primer and reflective insulation finish paint; the leveling putty coats the surface of the phase-change insulation composite layer; the seal primer coats the leveling putty; and the reflective insulation finish paint coats the seal primer. The integrated board can be prefabricated integrally through a factory, the reflective insulation system and the phase-change thermal-insulation system are combined, three effects of heat transfer barrier, temperature regulation and control and reflective insulation are achieved, building energy conservation is facilitated, and a multi-color and multi-mold wall decorating effect can be achieved. Moreover, the reflective insulation and phase-change thermal-insulation integrated board is convenient to mount and easy to use.

The invention relates to a building design method based on wind pressure diagram visualization. The building design method has an obvious guide effect for optimizing the building design and constructing an energy-saving environment-friendly campus. The wind speed and the wind direction are unpredictable, visual observation and research on the wind speed and the wind direction can be realized by virtue of certain updated scientific means and technologies; by virtue of certain intelligent operations of a computer, pressure nephograms of the wind pressure at different height can be obtained, and thus the building design method based on the wind pressure diagram visualization is obtained. By virtue of the obtained pressure nephograms, the distribution condition can be visually observed. The building design method based on the wind pressure diagram visualization is very good; a middle school in the southern district of China is taken as an example, the wind environment condition of the reconstructed campus are researched, and evaluation on the reconstruction scheme is performed, so that the wind pressure is surveyed and researched to the greatest extent, so that the important effect of the wind pressure in building design is better learnt, the building design is facilitated and harmonious coexistence of human beings and the nature is promoted.

The invention discloses a refrigeration strategy determination method and device, electronic equipment and a storage medium. The method comprises the steps that a demand date, building characteristics of a demand side and refrigeration equipment information are acquired, wherein the building characteristics of the demand side at least comprise the building type and the building area of the demand side; the demand date and the building characteristics of the demand side serve as input data, a demand refrigerating capacity determination model is input, and the demand refrigerating capacity of the demand side on the demand date is obtained; and according to the required refrigerating capacity and the refrigerating equipment information of the demander, a refrigerating strategy is determined. According to the embodiment of the invention, the refrigeration strategy can be determined according to requirements, refrigeration is controlled according to the refrigeration strategy, unnecessary waste of manpower and material resources is avoided, and building energy conservation is facilitated.

The invention provides a non-combustible vacuum heat-insulating decorative plate and a heat-insulating wall body formed by the non-combustible vacuum heat-insulating decorative plate. The decorative plate comprises a VIP plate and non-combustible plates symmetrically fixed to two sides of the VIP plate, the VIP plate is arranged between the non-combustible plates at the two sides in a centered manner, and the periphery of the VIP plate is sealed by solid gum. A groove is formed between the periphery of the VIP plate and the peripheries of the non-combustible plates at the two sides, the grooveis filled with the solid gum, and a plane is formed, so that the VIP plate and the non-combustible plates at the two sides form a closed non-combustible whole. The non-combustible plates are adoptedto protect the VIP plate to achieve the non-combustible effect; the vacuum heat-insulating decorative plate provided by the invention achieves the A-grade fireproof performance; and according to the non-combustible vacuum heat-insulating decorative plate, a metal connecting piece is installed on a wall body, construction is convenient and fast, operability is high, and cost is low.