17results about How to "Reduce thermal bridge effect" patented technology

The invention discloses a modular electromechanical pipeline roof crossing protection device and a construction method, the modular electromechanical pipeline roof crossing protection device comprises a fixed base, a concrete structure floor and a roof layer, the fixed base is pre-buried in the concrete structure floor and the roof layer, and a water stop wing ring is arranged on the periphery of the fixed base; the protective outer cylinder is fixedly connected with the fixed base, the protective outer cylinder is provided with an outwards-turned flange edge, a valve is arranged in the middle of the protective outer cylinder, and the valve is connected with the side wall of the protective outer cylinder through a fastening assembly. The fireproof plugging module is arranged on the inner side wall of the fixed base; the outer side of the fixed base is fixedly connected with the heat preservation outer sleeve. The fireproof plugging module capable of being pulled, inserted and replaced is arranged, the excellent fireproof performance is achieved, the module is formed by compounding a ceramic fiber felt, an expanded graphite strip and fireproof glue or is composed of rock wool, fireproof mud and a fireproof bag according to different pipeline types, reliable fireproof plugging is ensured, and the chimney effect in a fire disaster is effectively prevented.

The invention provides a method for preparing a thermal insulation material by a dry method, the thermal insulation material and a household appliance, and relates to the field of thermal insulation materials. The method for preparing the thermal insulation material by the dry method comprises the following steps: providing a hard shell, wherein the hard shell is provided with a first opening and a second opening which are communicated with an inner cavity of the hard shell; the hard shell is filled with dispersed organic fibers from the first opening in an air blowing mode, so that the heat insulation material is formed. According to the technical scheme, the hard shell can provide high-strength internal and external support for the heat insulation material, the hard shell is filled with the dispersed organic fibers, the heat insulation material has the beneficial effects of being low in heat conduction, easy to process, clean and environmentally friendly, the organic fibers are in a dry state in the processing process in an air blowing mode, and therefore the heat insulation material is not prone to cracking. The final dryness can be ensured, and the processing efficiency is improved; in addition, no additional dispersant is needed, damage of the dispersant to organic fibers can be avoided, and the quality of the thermal insulation material is improved.

This utility model relates to the field of doors and windows, specifically to an energy-saving window frame and window system for curtain walls. The energy-saving window frame includes a sub-frame profile made of glass fiber reinforced composite material. A first end of the sub-frame profile is fixedly connected to a steel keel by a first screw. A second end of the sub-frame profile has an installation chamber containing a liner. A second screw passes through the liner and is fixedly connected to a pressure block. This utility model, by using a sub-frame profile made of glass fiber reinforced composite material, extends the heat transfer path, significantly reduces the thermal bridging effect, and thus achieves the goal of reducing the heat transfer coefficient. It is energy-saving and environmentally friendly, possessing good economic efficiency and practicality. The liner in the installation chamber effectively increases the screw holding force and enhances connection stability.

The utility model discloses a thermal insulation wall body and an ultra-low energy consumption sandwich thermal insulation wallboard, and the thermal insulation wallboard comprises an inner wallboard, an outer wallboard, an outer wallboard, an inner wall framework and an outer wall framework, an outer wall framework is arranged in the outer wall plate; the sandwich thermal insulation layer is arranged between the inner wall plate and the outer wall plate; the connecting piece is arranged on the sandwich heat preservation layer, and the two ends of the connecting piece are connected with the inner wall framework and the outer wall framework in a pulling mode respectively; wherein the inner wall framework and the outer wall framework are both steel sheet grids, and the connecting pieces are GFRP heat blocking bolts. The combination of the steel sheet grating and the GFRP heat blocking bolt is arranged in the heat preservation wallboard, and the heat conductivity of the GFRP bolt is far lower than that of a steel sheet, so that when heat is transferred between the inner wallboard and the outer wallboard, the GFRP heat blocking bolt can obviously block heat flow and reduce the transfer amount of the heat through a connecting piece, heat transfer between the inner wallboard and the outer wallboard is effectively blocked, the heat bridge effect is reduced, and the service life of the heat preservation wallboard is prolonged. The heat preservation effect is improved, and then the building energy consumption is reduced.

This invention relates to a slope-finding structure for a base structure and its construction method. The base structure includes: a base structure connected to the main building, comprising a first side connected to the main building and a second side opposite to the first side and away from the main building; an insulation layer disposed on the upper surface of the base structure, the thickness of which gradually decreases or increases from the first side to the second side to achieve a slope; and a protective layer disposed on the slope of the insulation layer. This invention achieves slope-finding of the base structure while increasing the thickness of the insulation layer at the connection between the base structure and the main building, thereby increasing the insulation performance of the connection. The necking of the connection improves the insulation effect and reduces thermal bridging, perfectly meeting the high insulation performance requirements of the connection between the base structure and the main building without affecting the insulation performance of the main building. Simultaneously, it reduces the number of steps, increases efficiency, and minimizes waste of insulation materials.

The present application relates to the technical field of paint, in particular to a polyurethane powder coating with good heat preservation and insulation performance, which is configured according to the mass fraction of each raw material: 25-40 parts of hydroxyl acrylic acid resin; 10-20 parts of hexamethylene diisocyanate trimer; 8-18 parts of rice husk ash derived porous silica microspheres; 5-15 parts of waste tire rubber powder modified carbonized particles; 3-8 parts of functional filler; 0.5-1.5 parts of polyethylene wax leveling agent; and 0.2-0.8 parts of polyether modified silicone defoaming agent. In the present application, the thermal bridge effect caused by interface defects can be reduced, the porous structure can significantly reduce the overall thermal conductivity of the coating through the synergistic effect of scattering thermal radiation, inhibiting gas molecular convection and conduction and prolonging the solid heat conduction path, and this structural characteristic makes it an ideal insulation functional unit, thereby greatly improving the heat preservation performance of the coating.

The invention provides a thermal insulation material, a preparation method thereof and a household appliance. The thermal insulation material comprises a hard shell and dispersed organic fibers, and the hard shell is filled with the organic fibers. In the technical scheme provided by the invention, the hard shell can provide high-strength internal and external support for the thermal insulation material, and the dispersed organic fibers are used as a filling core material in the shell, so that the thermal insulation material has the beneficial effects of low heat conductivity, easiness in processing, cleanness and environmental protection, and the organic fibers are filled into the high-strength hard shell, so that the thermal insulation material has a good thermal insulation effect. The thermal insulation material with high strength and low heat conduction effect can be obtained.

The invention relates to the technical field of composite thermal insulation external wall panels, in particular to a light assembly type composite thermal insulation external wall panel which comprises composite thermal insulation external wall panels, adjacent composite thermal insulation external wall panels are assembled and connected through an assembly unit, and a reinforcing connection unit is further arranged on one side of each composite thermal insulation external wall panel. Through collaborative design of the assembly units, accurate alignment and multiple fixation of the adjacent wallboards are achieved, and the defect that looseness is prone to occurring in a single connection mode is effectively overcome. Complex construction equipment is not needed in the assembly process, modular assembly of all connecting structures can be achieved, the construction process is greatly simplified, the core requirement for efficient construction of an assembly type building is met, and the overall construction efficiency can be improved. By means of the design of the reinforcing connecting units, scattered assembly connecting points are integrated into an overall stress system, the cooperative bearing capacity after the multiple wallboards are assembled is improved, and the situation that the overall structure is affected by local connection failure is effectively prevented.

The utility model relates to a box body heat insulation structure of a heat preservation box, which comprises a shell, an inner container, a polyurethane foaming layer positioned between the shell and the inner container, and two layers of vacuum heat insulation plates arranged between the inner container and the polyurethane foaming layer from inside to outside, each layer of vacuum insulated panels comprises vacuum insulated panels located on the left side and the right side and vacuum insulated panels located on the upper side and the lower side, in each layer of vacuum insulated panels, the vacuum insulated panels on the left side and the right side are longitudinally arranged in a staggered mode, and the vacuum insulated panels on the upper side and the lower side are transversely arranged in a staggered mode; the upper surface of the upper vacuum heat insulation plate in the upper and lower vacuum heat insulation plates is flush with the upper end surface of one of the left and right vacuum heat insulation plates, and the lower surface of the lower vacuum heat insulation plate in the upper and lower vacuum heat insulation plates is flush with the lower end surface of the other of the left and right vacuum heat insulation plates. According to the utility model, the heat preservation and insulation performance is improved, and the heat conduction is reduced by prolonging the path of the splicing gap between the vacuum insulation plates.

The utility model provides a kind of HNSPS low energy consumption external wall external thermal insulation system, it is related to external wall thermal insulation technical field, including base wall, adhesive layer, thermal insulation layer and protective layer;Base wall includes concrete wall or masonry wall;Adhesive layer includes bonding mortar and anchor bolt, bonding mortar is located base wall outside;Thermal insulation layer is HNSPS insulation board, thermal insulation layer is located between adhesive layer and the protective layer of outermost layer.The utility model has the beneficial effects of: reasonable in design, simple structure, safe and reliable, improve the fire performance of system, reduce the fire occurrence in the use process of the product.

This utility model relates to the field of building curtain wall technology, and particularly to an energy-saving curtain wall window frame and curtain wall system. The window frame includes a keel, an energy-saving sub-frame, and a pressure plate. The energy-saving sub-frame is connected to the keel, and the pressure plate is located at the end of the energy-saving sub-frame away from the keel. Glass panels are provided on opposite sides of the energy-saving sub-frame. The pressure plate is connected to the energy-saving sub-frame and is used to press the glass panels onto the keel. The energy-saving sub-frame is made of glass fiber reinforced composite material. The energy-saving curtain wall window frame of this utility model, by setting an energy-saving sub-frame made of glass fiber reinforced composite material between two glass panels, utilizes the low thermal conductivity and good mechanical properties of glass fiber reinforced composite material to significantly reduce the thermal bridging effect at the connection points of the curtain wall system and reduce the weight of the curtain wall system. It can reduce the unit heat transfer coefficient without increasing the system glass configuration, meeting high energy-saving requirements while also considering lightweight and economic efficiency.

The utility model relates to the technical field of building prefabricated connecting pieces, and particularly discloses a zero-carbon building heat insulation requirement meeting type prefabricated part which comprises a prefabricated part, the prefabricated part has a heat insulation effect, and the prefabricated part is fixedly connected to the outer side of a concrete layer; the prefabricated part comprises a cover plate, a fixing plate, a hard heat insulation layer and a connecting pipe, the hard heat insulation layer abuts against the outer side of the concrete layer, the cover plate abuts against the end, away from the concrete layer, of the hard heat insulation layer, and the fixing plate is embedded in the hard heat insulation layer when the hard heat insulation layer is poured and formed; one end of the connecting pipe is fixedly connected with the fixing plate, and the other end of the connecting pipe is used for being fixedly connected with an outdoor light component and large or heavy equipment. Heat transfer between outdoor light components, large or heavy equipment and the concrete layer is effectively blocked, the heat bridge effect is reduced, then heat loss of a building is reduced, and meanwhile the use safety is high; moreover, as a whole, the prefabricated part only needs to be simply installed in use, so that the construction efficiency is improved.

The application provides a heat insulation fixed pipe support, and relates to the technical field of pipeline support. It comprises a bearing seat, a sleeve joint and a clamping ring. The bearing seat is arranged on the bearing surface. The sleeve joint is sleeved on the pipe body of the pipeline and can slide along the pipe body. The clamping ring is sleeved on the sleeve joint. One side of the outer ring of the clamping ring is connected with the bearing seat. The inner ring of the clamping ring is provided with a heat insulation part between the sleeve joint. Compared with the existing technology, the clamping ring is fixed and is easy to damage the heat insulation material due to the thermal expansion and cold contraction of the pipeline. The reasonable arrangement of the components can more stably fix the pipeline. The heat insulation part is arranged to avoid the damage of the heat insulation material due to the thermal expansion and cold contraction of the pipeline, thereby improving the heat insulation effect and the safety of the pipeline operation.

The application discloses a sealed and insulated tank for storing liquefied gas and a ship for transporting liquefied gas. The sealed and insulated tank is arranged in a supporting structure, the supporting structure comprises an upper supporting wall; the upper supporting wall and the sealed membrane and the thermal insulation layer are partially interrupted to bound a loading and unloading opening, the loading and unloading opening is used for allowing a liquefied gas loading and unloading pipeline to pass through the loading and unloading opening, and the tank comprises a cover arranged in the loading and unloading opening; the sealed membrane comprises a terminal bent connecting part at the interruption, and the terminal bent connecting part is fixed to the supporting structure through an upper surface or a lower surface of a sealed membrane connecting part extending in a wall thickness direction. The terminal bent connecting part of the sealed membrane is welded to the upper surface of the sealed membrane connecting part, the effective welding area is greatly increased without increasing the thickness of the connecting part, the welding strength is greatly improved, meanwhile, the thin connecting part significantly reduces the heat bridge effect, reduces the cold leakage amount, and effectively solves the contradiction between the sealing and the thermal insulation at the dome.

The utility model discloses a heat preservation fixing device based on large -scale heating pipeline reduces heat loss, and the device has simple structure, low cost, and has good heat preservation performance, easy construction installation, saves material and other advantages, and simultaneously, the support is prefabricated heat preservation together with the pipeline, reduces the pipeline thermal bridge effect on the basis of providing reliable support and sliding, realizes efficient heat insulation, improves construction efficiency and quality.

The utility model discloses a kind of heat preservation structures of greenhouse shed body root, comprising: bearing platform, big shed steel structure, heat-insulating glass, heat preservation piece and cushion layer;Big shed steel structure is installed on bearing platform;Heat-insulating glass is installed on big shed steel structure;Bearing platform is set in soil body;Cushion layer is located above bearing platform, and is connected with soil layer;Heat preservation piece is enclosed in the outside of bearing platform, and is set in the inside of heat-insulating glass.Through setting heat preservation piece, the full package design of first heat preservation piece enclosing the outside of bearing platform, second heat preservation piece setting in the inside of heat-insulating glass, closed heat preservation barrier is constructed between shed body root and external soil, the heat conduction path of directly cutting off inside and outside shed, eliminate the thermal bridge effect of traditional big shed root, compared with big shed without root heat preservation, root area heat loss rate reduces more than 60%, reduce the heat loss in shed from source.

This application relates to the field of thermal insulation wall technology and discloses a zero-carbon building prefabricated thermal insulation wall structure, including a wall body with multiple insulation boards and fireproof boards on the front side. This zero-carbon building prefabricated thermal insulation wall structure enhances the connectivity between boards through the interlocking of top grooves and bottom connecting blocks, and the interlocking of side connecting blocks and side grooves. The interlocking connection method reduces thermal bridging at joints, improving overall insulation performance. The staggered splicing design of the insulation boards and fireproof boards disperses stress concentration at joints, enhancing the wall's crack resistance and seismic performance. The design of connectors, mounting ears, limiting plates, and first and second limiting grooves enables rapid positioning and fixing of the insulation boards, fireproof boards, and wall body, ensuring a tight fit between the connectors and the first and second frames, thus improving structural stability.