34results about How to "Avoid thermal bridges" patented technology

A insulated masonry wall system having insulation blocks between structural and face blocks to provide structures that are strong, inexpensive, avoid thermal bridges, and resist transmission of heat. The walls are attractive and versatile, and an enormous variety of decorative face members may be utilized. The face blocks are attached to the structural blocks to prevent facing materials from falling even if fire destroys the insulation blocks between the structural blocks and the facing. The system resists water penetration and effectively drains water that does penetrate any portion of the system.

The invention discloses a heat preservation pipe prefabricated by powder heat insulating materials, comprising a working steel pipe and an external protective pipe. The external protective pipe is arranged at the outer side of the working steel pipe, and heat insulating drain plugs are arranged at two ends between the working steel pipe and the external protective pipe. The structure of the invention is reasonable and compact, powder materials are adopted for the heat insulating materials, the heat insulating structure cannot be destroyed, and the heat insulating performance cannot be influenced when the volume of a cavity formed between the working steel pipe and the external protective pipe changes, thereby a series of problems caused by the expansion because of heat and the contraction because of cold that are generated by temperature change during a heat transmission process are solved. The powder materials have lower coefficient of heat conductivity at the higher temperature, thereby energy-saving effect is obvious; because a supporting device is arranged in the cavity filled with the powder heat insulating materials, the heat insulating effect is good, and heat bridges are completely stopped; the heat preservation materials with the lowest coefficient of heat conductivity are used by the heat insulating materials, a heat isolating cushion ring and the heat insulating drain plugs, so that the integral heat preservation thickness of the heat preservation pipe is thin, the structure of the external protective pipe correspondingly becomes smaller, the quantity of installation and conveying is reduced, and the comprehensive manufacturing cost is low.

The invention relates to an exterior wall fireproof composite board with a built-in keel. The exterior wall fireproof composite board successively comprises a backboard layer, a heat-insulation layer and a surface decoration layer outwardly from an exterior wall, the keel is embedded in the heat-insulation layer, and the backboard layer, the heat-insulation layer and the surface decoration layer are bonded with each other to form the composite board. The exterior wall fireproof composite board also comprises wall anchoring members for fixing and connecting the composite board to the wall. The keel is an aluminum alloy keel of a structure shaped like a Chinese character 'jing', 'tian', 'wang', or 'shi'. The exterior wall fireproof composite board has the advantages that through building the aluminum alloy keel in the heat-insulation layer, wind load anti-compression performance of the whole composite board is largely enhanced, and collapse and deformation of the whole composite board are effectively prevented; and service lifetime of exterior wall heat-insulation materials is effectively prolonged, and heat-insulation lifetime of the exterior wall can be prolonged to be over 10-15 years.

The invention relates to a heat bridge-free self-insulation building block comprising insulation boards and concrete, wherein the insulation boards are arranged in the concrete at intervals in four rows; concrete ribs are formed between adjacent insulation boards in the same row; the concrete ribs and the insulation boards in different rows are staggered; the insulation boards in even layers and odd layers respectively extend out of the left side and the right side of the building block to form outwards-extended insulation boards; and all the insulation boards extend out of the top surface of the building block to form outwards-extended insulation boards. The building block disclosed by the invention has the beneficial effects that the heat bridge effect of non-insulation parts of the building block, masonry mortar joints and the like can be avoided with no need of adopting other insulating layers, so that the energy saving ability of the buildings is greatly increased and the heat insulation effect is enhanced and has the advantages of durable service, safety, fire prevention and effectiveness in sound insulation. According to the invention, the heat preserving layer does not need to be added, therefore, the construction technique is convenient, the speed is high, the building efficiency is increased, the material is saved, the transportation volume is reduced and the construction cost is reduced.

The invention relates to a thermally isolating housing (11) for a cooling device (10) comprising an internal and external surface layer (17, 19) in addition to a thermally insulating layer (20) inserted between entrances of the surface layers (17, 19) in the form of fluidic components, introduced through at least one entrance opening (23) arranged close to a machine chamber (21) for receiving a condensed refrigerating medium (16). A problem of the known cooling device is that the thermally insulating material (20) which turns into mousse is introduced by the high processing pressure thereof, preferably in the upper part of the thermally insulating housing (11). A shrinkage formation therefrom can not be prevented in the deep lying sections of the housing. According to the invention, at least in the neighbouring area of the entrance opening (23) a flat profile (24) is provided for using as a brake for the mousse.

The invention relates to a non-penetrating bridge-cut-off metal skinned sandwich panel system. The system is characterized in that an inserting opening seam allowance cavity sectional material is fixedly connected to the upper top surface of a heat insulation core material, and an inserting opening female opening cavity sectional material is fixedly connected to the lower top surface of the heat insulation core material; the rear side face of the heat insulation core material is wrapped by a sandwich panel inner panel, and the front side face of the heat insulation core material is wrapped bya sandwich panel outer panel; one end of a F-shaped fastening fastener is inserted into a cavity of the inserting opening female opening cavity sectional material, and the other end of the F-shaped fastening fastener is fixedly connected with a mounting fixing surface. The system has the beneficial effects that a thermal bridge caused by the fact that a screw penetrates through the panel is avoided, the thermal insulation effect of a system fastening part is guaranteed, the integrity of a thermal insulation layer covering surface is kept, the thermal insulation effect of a system connecting part is guaranteed, and the inner panel, the outer panel, the sectional material, the end cover and the side sealing edge form a complete sealing structure for wrapping a thermal insulation core material; the core material is not exposed, the end part of the cavity sectional material is sealed, and no thermal bridge exists on the whole.

The invention relates to a spray building type gypsum double-layer thermal insulation composite outer wall and a preparation method. The spray building type gypsum double-layer thermal insulation composite outer wall can be arranged on any building between a wall upper-end beam and a wall lower-end beam, the high requirements of thermal insulation and energy saving of severe cold areas and cold areas can be met, and meanwhile, the generation of thermal bridge is avoided; if the building fireproof requirement is met, an inorganic fireproof material is adopted in outer side thermal insulation, and an organic material is adopted in middle thermal insulation; and the two materials are organically combined, and the unification of energy-efficient and fireproofing is achieved. The simplest construction method of a fabricated building can be completed, that is a main structure is made of a concrete structure and a steel structure, and an enveloping part comprising an internal parting wall, anouter wall, outer thermal insulation and other work is completed by spray building type gypsum composite materials. Technological byproduct gypsum can be greatly consumed, waste is turned into wealth, and green hills and clear waters are protected.

The invention relates to a spraying building type gypsum three-layer heat-preservation composite double-layer external wall body and a preparation method thereof. Through the wall body structure and the preparation method thereof, the energy-saving efficiency of an external wall can be greatly improved, the high requirements for heat preservation and energy saving in severe cold regions and cold regions are met, and meanwhile, a heat bridge is avoided; for example, in order to meet the building fireproofing demand, inorganic fireproof materials are adopted for outside heat preservation, and organic materials are adopted for intermediate heat preservation; the two kinds of materials are organically combined to achieve unity of efficient energy saving and fireproofing; through the technology, the simplest construction method of a fabricated building can be completed, that is, a concrete structure and a steel structure are used as main structures, and work such as heat preservation of enclosure parts comprising an internal partition wall and the external wall is completed by spraying building type gypsum composite materials; and through the technology, process by-product gypsum can beconsumed in quantity, waste is turned into treasure, and green hills and clear water of people are protected.

The invention discloses a heat-preserving cast-in-situ stripe for a novel sintered shale heat-preserving hollow building block wall body. The heat-preserving cast-in-situ stripe comprises novel sintered shale heat-preserving hollow building blocks built on the cast-in-situ stripe of a main wall body, wherein the main wall body is partitioned into an upper wall body and a lower wall body; a layer of novel sintered shale heat-preserving hollow building blocks is built on the inner and outer sides of the upper section of the lower wall body along the width direction respectively; full-length tension meshes are arranged between the two layers of novel sintered shale heat-preserving hollow building blocks; the two ends of two longitudinal ribs in the full-length tension meshes are reliably connected with construction columns respectively; and transverse tension ribs are arranged between the two layers of novel sintered shale heat-preserving hollow building blocks along the length direction of the main wall body at certain intervals. According to the cast-in-situ stripe, a heat bridge effect between the cast-in-situ stripe and the novel sintered shale heat-preserving hollow building block wall body is avoided effectively on the premise of ensuring the high efficiency and convenience of construction, and the average heat transfer coefficient of a wall body is increased, so that the heat preserving and heat insulating properties of the wall body are improved; and meanwhile, shrinkage fractures can be reduced effectively, the job progress can be accelerated effectively, and continuous construction is realized.

A method of insulating a building that includes one or more existing external walls 2 and an existing roof structure 4 supported by the walls, comprises constructing a first external shell structure 24a that covers an outer surface of at least one external wall, said shell structure being spaced from the outer surface of the wall to provide a wall void 28 between the external wall and the shell structure. A second shell structure 24b is constructed that extends around or through (fig.15) the existing roof structure 4 and provides an enclosed roof void 26b that extends around or through the roof structure. The roof void 26b is interconnected with the wall void 26a. The wall void 26a and the roof void 26b are filled with an insulating material to provide a continuous insulating layer 28 extending through the wall and roof voids to eliminate thermal breaks between them. A vapour resistant membrane is preferably included between the external wall and the wall void and below the roof void.

The invention discloses a modular wood house wall structure and a construction method thereof. The wall structure comprises two-side wood plate layers, covering face keel frames, a heat insulating layer, a gypsum plate and fasteners; the two-side wood plate layers comprise the inner side wood plate layer and the outer side wood plate layer which are composed of standard wood plates and wood plate connection members; grooves are formed in the standard wood plates in advance; the wood plate connection members are I-shaped stainless steel members; and tenons on the wood plate connection members are connected with the wood grooves of the standard wood plates in a sleeving mode. Connection of the standard wood plates can be firmer in the mode of matching with elastic materials on the wood plate connection members, the wood plate connection members are further provided with heat insulating materials and structures capable of preventing heat bridges, and the heat insulating layer is filled with a non-woven bag filled with sawdust, so that the wall heat transfer coefficient is greatly reduced, and engineering waste reuse is achieved. The modular wood house wall structure and the construction method thereof have the advantages of wood material saving, heat preservation and heat insulation, waste reuse, connection fastening, convenient mounting and the like and have excellent popularization value in the field of assembly construction.

The invention relates to an external wall heat insulation structure and a construction method thereof. A part of a filling wall body outwards projects out of the outer side edges of a building structure post, a structure wall, a beam and a floor slag; at least two crisscross structural belts are formed; and the at least two crisscross structural belts form a groined structural belt on the whole building elevation. On the basis of remaining the effects of avoiding a heat bridge and preventing inside moisture condensation of a conventional outer heat insulation structure, a construction method is optimized, so that the advantages are realized through being compared with conventional outer heat insulation in aspects of material saving, labor saving, fireproof safety, thermal performance and the like.

The invention provides a refrigerator and a manufacturing method, which can protect a vacuum heat insulation material, prevent a heat bridge, improve heat the insulation performance and realize miniaturization. The refrigerator (1) is provided with an inner box (2), an outer box (3) covering the inner box (2), a space (S1) formed between the inner box (2) and the outer box (3), and a foamed heat-insulating protective material (10) disposed in the space (S1) and attached to the inner box (2). The foamed heat-insulating protective material (10) has a plate-shaped vacuum heat-insulating material (11) and a foamed heat-insulating material (12) that supports at least a portion of the vacuum heat-insulating material (11). The foamed heat-insulating protective material (10) is attached to the inner box (2) by means of the foamed heat-insulating material (12).

The invention discloses a dual-cavity self-thermal-insulation wall system obtained by splicing small jointed boards. The system comprises an upper beam, a lower beam, a connecting piece, a splicing plate, cement gel and a waterproof layer; the splicing plate, the connecting piece and the cement gel are jointly spliced into a wall body, the upper beam and the lower beam are fixed to the upper and lower ends of the wall body respectively, and the waterproof layer is laid on the outer wall of the wall body. According to the dual-cavity self-thermal-insulation wall system obtained by splicing thesmall jointed boards, the wall body adopts the small-size jointed boards of the size being 600*600 millimeters, no large hoisting equipment auxiliary assembly is needed, splicing can be suitable for being completed manually, the wall is of a dual-cavity structure, the heat transfer coefficient is quite low and smaller than 0.2, and the heat preservation performance is good; due to the fact that abuilt steel structure frame only makes contact with plastic connecting pieces in wall inner cavities, a thermal bridge is avoided, the wall is only 120 millimeters thick, materials are saved, and thefloor area is decreased.

The invention provides a thermal-bridge-free thermal insulation block containing T-shaped insulation boards and belongs to the technical field of building block. The beneficial effects are that two rows of T-shaped insulation boards are arranged in concrete in parallel inside the building block, adjacent T-shaped insulation boards in the same row are positively and reversely overlapped with one another in a staggered manner; longitudinal concrete ribs and transverse concrete ribs are formed between the adjacent T-shaped insulation boards in the same row so as to avoid thermal bridge of the building block; when the same column of building blocks are built, overhung thermal insulation boards on two sides of the building blocks are butted one by one, so that vertical mortar joints contain cement mortar and thermal insulation boards, vertical mortar joints of the thermal insulation boards are formed, horizontal mortar joints also contain cement mortar and thermal insulation boards, and horizontal mortar joints containing the thermal insulation boards are formed, so that the thermal bridge of the horizontal mortar joints and the vertical mortar joints can be effectively cut off. Thermalbridge effects of non-insulated parts of the building blocks, the built mortar joints and other parts can be avoided without adopting any other thermal insulation layer, the energy conservation and thermal insulation effects of the conventional thermal insulation block are improved, and thermal insulation block can be applicable to requirements of different self-insulation walls.

The invention provides a cast-in-situ fireproof and heat-insulating material for a sandwich wall. The cast-in-situ fireproof and heat-insulating material comprises a component A and a component B, andUPF in the component A is used as a main foaming material, and is modified with remaining materials; fumed SiO2 increases the viscosity of the UPF, improves the bonding strength, reduces the heat conduction coefficient of the heat-insulating material, enhances the strength and the hardness of the material and absorbs harmful volatiles of the UPF resin, so the material meets the requirements of greenness and energy saving; polyethylene glycol improves the toughness and the strength of the heat-insulating material, so the foamed heat-insulating material has the possibility of cast-in-situ construction; sodium bicarbonate and sodium lauryl sulfate in the component B are a composite foaming agent, and promote the mixed foaming of the components A and B; and the two components are mixed and foamed to obtain the fireproof and heat-insulating material with the advantages of high strength, good fireproof and heat-insulating performance, low heat conduction coefficient and seamless continuouscasting. The heat-insulating material makes a heat-insulating layer cast in situ, and the compressive strength can meet the strength requirement of a load-bearing plate, so the heat-insulating plate has a broad application prospect.