3131results about "Heat proofing" patented technology

The invention relates to the technical field of preparation of building external wall thermal insulation materials, in particular to a building external wall thermal insulation board based on pearl wool and a preparation method of the building external wall thermal insulation board. The core layer is prepared from the following raw materials in parts by weight: 40 to 60 parts of pearl wool particles, 5 to 15 parts of graphene-loaded expanded graphite, 3 to 10 parts of nano silicon dioxide aerogel, 10 to 20 parts of ammonium polyphosphate, 5 to 12 parts of pentaerythritol, 3 to 8 parts of melamine, 15 to 25 parts of ethylene-vinyl acetate copolymer, 5 to 10 parts of maleic anhydride grafted polyethylene, 2 to 6 parts of nano montmorillonite and 1 to 5 parts of silicon carbide whisker; the composite material is prepared from the following components in parts by weight: 0.5-2 parts of a silane coupling agent KH560, 0.2-0.8 part of an antioxidant 1010, 3-8 parts of amino-terminated polyether and 0.3-1 part of a hindered amine light stabilizer 770. The thermal insulation board is excellent in thermal insulation, mechanical property and flame retardant property, good in weather resistance, stable in size and high in construction adaptability, pearl wool can be recycled, and the thermal insulation board has practical and environment-friendly values.

The invention relates to a hollow glass assembly and a preparation method thereof. The hollow glass assembly comprises a first glass sheet and a second glass sheet, the first glass sheet and the second glass sheet are oppositely arranged, a sealing cavity is formed between the first glass sheet and the second glass sheet, the first glass sheet is provided with a Low-E film layer, the Low-E film layer is provided with a first periodic hollow pattern, and the second glass sheet is provided with a second periodic hollow pattern. A heat preservation film layer is arranged on the second glass sheet, and the heat preservation film layer is provided with a second periodic hollowed-out pattern. According to the hollow glass assembly, the Low-E film layer with the first periodic hollowed-out patterns is arranged on the first glass sheet, the signal anti-reflection effect is achieved, the heat preservation film layer with the second periodic hollowed-out patterns is arranged on the second glass sheet, the signal passing ability is improved, and meanwhile the thermal performance of the hollow glass assembly is improved.

The invention provides a movable sound insulation dustproof construction shed, a plurality of supporting mechanisms are sequentially arranged in a shed body in the X-axis direction, and each supporting mechanism comprises two telescopic rods oppositely arranged in the Y-axis direction, a supporting assembly erected on the two telescopic rods and a walking assembly connected to the lower end of each telescopic rod; each telescopic rod is provided with a first limiting assembly used for limiting a sound insulation plate installed on the telescopic rod, and the supporting assembly comprises a first arc-shaped supporting rod and a second arc-shaped supporting rod which are used for supporting the shed body located at the upper ends of the two telescopic rods and can be oppositely folded. The walking assembly is used for driving each telescopic rod to move or stop, so that the problems that an existing dustproof noise reduction shed lacks comprehensive shielding and sound insulation measures on a device to be shielded, and sound insulation felt cloth is inconvenient to disassemble and assemble, so that the dustproof noise reduction effect and stability of the dustproof noise reduction shed are poor are solved.

A wall fastener assembly for retaining an attachment such as a girt alongside or near a wall includes an elongated shank that provides space for at least one intermediate wall layer between the girt and a supportive member such as a stud. A center bore extends through the wall fastener assembly, and may receive a fastener for securing the wall fastener assembly to the wall. Once the wall fastener assembly is secured to the wall, a proximally-located flange and a distal end of the shank bottom-out on different surfaces to ensure the attachment is properly mounted to the wall, and a distally-located sealing portion engages with an intermediate wall layer to form a fluid barrier within the wall.

The utility model discloses a combined assembly type polyurethane insulation board which comprises an insulation board body and two sets of connecting sleeves, the two sets of connecting sleeves are arranged at the top end and the bottom end of the insulation board body respectively in a sleeved mode, a connecting groove is formed in the rear wall of the insulation board body, a positioning block is fixedly installed on the inner wall of the connecting groove, and the positioning block is fixedly installed on the inner wall of the connecting groove. And a fixed block is fixedly mounted on the upper surface of the front side of the connecting sleeve. According to the heat insulation board, the heat insulation board body, the connecting sleeves, the connecting grooves, the positioning blocks, the positioning grooves, the fixing blocks, the fixing bolts, the clamping blocks, the clamping grooves and other components are arranged and matched, the function of combining and connecting every two adjacent heat insulation boards is achieved, every two adjacent heat insulation boards are connected, and therefore a gap is prevented from being reserved between every two adjacent heat insulation boards; the heat insulation effect of the heat insulation board is ensured, meanwhile, the heat insulation board is more convenient to install, time and energy are saved, and the installation efficiency of the heat insulation board is improved.

The invention discloses a prefabricated heat preservation groove type plate floor slab system of an assembly type steel structure trestle, and relates to the technical field of groove type prefabricated heat preservation floor slabs, the prefabricated heat preservation groove type plate floor slab system comprises an anti-skid face plate and a heat preservation bearing mechanism, the heat preservation bearing mechanism is arranged at the bottom of the anti-skid face plate, the heat preservation bearing mechanism comprises a plurality of sealing plates, and the sealing plates are arranged in the anti-skid face plate. The multiple sealing plates are arranged and located at the bottom of the anti-skid panel, multiple second supporting blocks are arranged at the bottoms of the sealing plates, groove-shaped plates are arranged on the outer sides of the multiple second supporting blocks, structural blocks are integrally formed through pouring and extruding, reinforcing strips are arranged on the inner walls of the structural blocks, and the structural blocks and annular hoops form a two-way constraint combined framework which can bear bending moment and shearing force; therefore, the bending resistance, the shearing resistance, the torsional rigidity and the overall bearing capacity of the plate body are improved on the premise that heat preservation is not affected on the whole, the engineering problems are avoided, and normal construction work and construction time are maintained.

The invention discloses a high-strength waterproof heat-preservation composite board which comprises an upper surface layer, a lower surface layer and a heat-preservation core material arranged between the upper surface layer and the lower surface layer, and further comprises a three-dimensional skeleton which is embedded in the heat-preservation core material, is used for providing a mechanical supporting frame for the whole composite heat-preservation board and can be actively repaired when being damaged. The three-dimensional framework is composed of a Z-direction fiber column, an integrated upper surface net layer and an integrated lower surface net layer, the upper surface net layer and the lower surface net layer are connected to the upper end and the lower end of the Z-direction fiber column, a cavity is formed in the Z-direction fiber column, and the cavity is filled with repairing fluid. A force transmission network is constructed through cooperation of three-dimensional framework gradient distribution and a dislocation anchoring system, the overall rigidity is ensured, meanwhile, the edge stress area is enhanced, interlayer stripping is avoided, and the bending resistance and impact resistance are improved. The surface microcapsules and the internal Z-direction fiber column repairing fluid form a dual self-healing mechanism, so that full-scale repairing from microcracks to through damage is realized, the durability of the material is improved, and the maintenance cost of the whole life cycle is reduced.

To solve the problem in which a 3 mm thick, ultra-thin insulation material utilizing aerogel, the first of the technologies supporting this invention, is an excellent material that exhibits high thermal insulation effect upon installation in building walls, ceilings, or floors even when used alone, yet its limited strength restricted its applications.SOLUTION: By sandwiching an aerogel insulation material, whose limited strength previously restricted its applications, between two layers of reinforced corrugated cardboard to form a plywood material, strength, which had been the biggest challenge, is enhanced. Furthermore, combining the inherent properties of aerogel and reinforced corrugated cardboard creates a synergistic effect. This not only further strengthens thermal insulation but also, while maintaining lightweight characteristics, provides soundproofing, moisture resistance, shock absorption, fire resistance, and fireproofing, etc. This dramatically increases applicability and versatility as a material.SELECTED DRAWING: Figure 1

The invention relates to the technical field of building curtain walls, in particular to an energy-saving building curtain wall which comprises a composite glass unit, dynamic ventilation subsystems are arranged on the left side and the right side of the composite glass unit, and the composite glass unit is electrically connected with an intelligent control module. The composite glass unit comprises a tempered photovoltaic glass layer, the tempered photovoltaic glass layer is located on the outermost layer in the composite glass unit, an antireflection coating is arranged on the outer surface of the tempered photovoltaic glass layer, and conductive silver grid lines are printed on the inner surface of the tempered photovoltaic glass layer; according to the invention, through integration of photovoltaic power generation, intelligent ventilation and dynamic heat insulation technologies, a remarkable energy-saving effect and multifunctional optimization are realized, the system adopts combination of the tempered photovoltaic glass layer and the conductive silver grid lines, the photoelectric conversion efficiency is improved by 3.2%, and the annual energy output reaches 58kWh / m; the variable-spacing hollow layer is matched with the nano silicon dioxide aerogel particles and the electrostatic electret net, so that the heat transfer coefficient is intelligently adjusted within the range of 0.7-1.1 W / (m.K).

The invention relates to the technical field of material compositing, and discloses a polyurethane composite insulation board with a good flame retardant effect, which comprises the steps of fireproof surface layer pretreatment, flame retardant core layer preparation, reinforced substrate layer treatment, lamination molding and post-treatment, by designing a unique three-layer composite structure and adopting a multi-component synergistic flame retardant system, the flame retardant effect is good, and the flame retardant effect is good. The heat insulation board can form a multi-stage flame-retardant barrier when encountering high temperature and open fire, the flame spreading speed is slowed down, the overall fireproof safety of the material is improved, and the durability and stability of the flame-retardant effect are enhanced through the synergistic effect of all the functional layers; through surface modification treatment on the functional reinforcing phase, the interface bonding force between the functional reinforcing phase and a polyurethane matrix is improved, so that the flame retardant and the reinforcing phase are uniformly dispersed in the matrix, and the performance defect caused by agglomeration is avoided, thereby enhancing the mechanical strength and structural integrity of the material while keeping excellent thermal insulation performance.

A green energy-saving cold store is provided, including a cold room, a platform, a machine room, and a refrigerating system. A drying layer (1) is arranged below the first floor of the cold room; a ground heat insulation layer (2) is moved downwards into the drying layer (1) and is separated from a first floor slab (3); an inner wall (4), an internal partition wall, and the wear-resistant waterproof floor (33) are directly located on the first floor slab (3) and integrated with a frame structure; a peripheral protective wall adopts a light steel structure wall surface (14), and is connected to the frame structure by means of ball joint tie beams (15) at the intersection points between frame beams and columns. The cold store is energy-saving and environment-friendly, and has good anti-seismic and fireproof performance.

The UHPC assembly type machine room structure comprises a machine room enclosure bulkhead cylinder body, a first end cover and a second end cover, wherein the machine room enclosure bulkhead cylinder body is prefabricated by adopting an ultra-high performance concrete UHPC material; the machine room enclosure bulkhead cylinder body is provided with a bottom plate and two side walls, and the machine room enclosure bulkhead cylinder body is provided with a first opening end and a second opening end which are oppositely arranged; the first end cover and the second end cover are respectively arranged at the first opening end and the second opening end; the two end covers are provided with smoke suction and exhaust ports used for being connected with a ventilation pipeline. A machine room access door is arranged on one side wall; an internal smoke exhaust pipeline is arranged in the machine room enclosure bulkhead cylinder body, the two ends of the internal smoke exhaust pipeline are connected with the smoke suction and exhaust ports in the first end cover and the second end cover respectively, and the fan is arranged on the internal smoke exhaust pipeline. The UHPC shell is adopted and serves as an outer enclosure material of the machine room structure at the same time, the functions of enclosure, decoration, structural bearing and partial fire prevention are achieved, and building structure decoration and function integration is achieved.

The invention discloses sound insulation mortar, a preparation method, a sound insulation mortar system and a construction technology, and belongs to the field of building materials. The phosphogypsum-based low-carbon thermal insulation and sound insulation mortar is prepared from the following raw materials in parts by weight: 50 to 60 parts of phosphogypsum, 20 to 30 parts of filler, 10 to 15 parts of inorganic admixture, 10 to 15 parts of glass beads, 5 to 10 parts of aerogel, 0.1 to 0.5 part of water-retaining agent, 1 to 4 parts of polymer rubber powder, 0.02 to 0.05 part of retarder and 0.2 to 0.5 part of water reducing agent. The ardealite-based low-carbon thermal insulation and sound insulation mortar is compact in structure and good in crack resistance, and has an excellent sound insulation effect on the premise of ensuring that the mechanical property reaches the standard. The thermal-insulation and sound-insulation material is good in fire resistance and outstanding in aging resistance and durability in the long-term use process, has convenient construction performance and can fully meet the comprehensive use requirements of constructional engineering for thermal-insulation and sound-insulation materials.

A composite aerogel heat insulation type energy-saving curtain wall comprises an outer frame assembly and a curtain wall assembly installed in the outer frame assembly, and the outer frame assembly is composed of four frame rods which define a frame-shaped structure; an expansion pressing piece used for abutting against the side edge of the curtain wall assembly in a wrapping mode is formed in the outer frame assembly, and installation supporting assemblies used for clamping the curtain wall assembly are installed on the two oppositely-arranged frame rods. Compared with the prior art, the two sides of the curtain wall assembly are limited and supported through the inserting installation pieces inserted into the frame rods, installation is convenient, negative pressure is controlled to be generated between the negative pressure holes and the curtain wall assembly under the action of the auxiliary installation pieces in the frame rods, and the curtain wall assembly is prevented from being damaged while the two sides of the curtain wall assembly are limited and supported through the inserting installation pieces. And the expansion state of the expansion pressing piece is controlled through the push-pull assembly, so that the side edge of the curtain wall assembly is subjected to wrapping type abutting, and the installation stability of the curtain wall assembly is further improved.

The utility model discloses a steel structure sunlight room with a photovoltaic system, which is characterized in that a steel structure glass wall is fixed on the ground and is used for supporting a sectional material piece; the steel structure glass wall comprises a front vertical wall; the profile pieces and the heat insulation glass are sequentially arranged at intervals and used for blocking the top of the steel structure sunlight room. The plurality of photovoltaic modules are respectively mounted on the upper surface of the profile piece to form a photovoltaic array for converting light energy into electric energy; the profile piece is provided with a mounting part and a first containing part, and the mounting part and the first containing part are arranged on the two sides of the profile piece; the mounting part is used for fixing the heat insulation glass, and the first accommodating part is used for accommodating and limiting the heat insulation glass adjacent to the first accommodating part; the execution assembly is used for being connected with the profile pieces close to the front vertical wall so as to drive the profile pieces to move in the direction away from the front vertical wall, and therefore the top of the steel structure sunlight room can be ventilated. The utility model aims to provide the steel structure sunlight room, and aims to design a reasonable ventilation system, prevent the internal temperature from being too high, and improve the user experience.

The invention belongs to the technical field of foundation engineering, and particularly relates to an efficient building radiation refrigeration composite material based on a gradient distribution structure and a preparation method, equipment and application of the efficient building radiation refrigeration composite material. The invention provides an efficient building radiation refrigeration composite material based on a gradient distribution structure. The efficient building radiation refrigeration composite material comprises a cementing layer and a radiation refrigeration layer which are interspersed to form a gradient structure, the gradient structure refers to integrated but asymmetric spatial distribution; the cross-linking layer is made of ordinary Portland cement or other inorganic cementing materials; the radiation refrigeration layer is made of nanometer reflection particles. The efficient building radiation refrigeration composite material based on the gradient distribution structure has the integrated but asymmetric spatial distribution characteristic, and the building compatibility, the mechanical stability and the efficient radiation refrigeration performance can be guaranteed at the same time.

The invention provides a glass curtain wall module and system, a control method, electronic equipment and a storage medium, and relates to the technical field of glass curtain walls. The glass curtain wall module comprises an outer light-transmitting layer, a light-transmitting adjusting layer, a light-transmitting heat-insulating layer and an inner light-transmitting layer which are sequentially arranged from outside to inside. Wherein the outer light-transmitting layer is of a light-transmitting structure; the light-transmitting adjusting layer is arranged to be capable of being switched between at least two adjusting light transmittances. The light-transmitting heat-insulating layer is of a light-transmitting structure and is used for insulating heat. The inner light-transmitting layer is of a light-transmitting structure. According to the invention, collaborative improvement of culture protection, dynamic environment regulation and control, intelligent operation and economic benefits is realized. In the aspect of protection, the high-precision archaized design is fused with regional traditional building elements, and the cultural relic protection requirement is met. On the aspect of environmental influence, the indoor microclimate is remarkably improved, the temperature is effectively reduced, the humidity is effectively adjusted, and energy consumption is reduced. Meanwhile, the self-cleaning and long-acting mildew-proof functions are achieved, the long-acting operation reliability is remarkably improved, and the maintenance cost is reduced.

The utility model discloses a heat-insulation fireproof gypsum plaster board, and relates to the technical field of gypsum boards. The gypsum board comprises a gypsum board body, outer wall surface protection paper is arranged on the surface of the outer wall of the gypsum board body, inorganic flame retardant is added into the outer wall surface protection paper, a groove is formed in the gypsum board body, and a reinforcing piece is installed in the groove. A flame-retardant layer is arranged on the inner wall of the gypsum board body, a heat insulation layer is arranged on the side, away from the outer wall surface protection paper, of the flame-retardant layer, and a wear-resistant layer is connected to the lower portion of the flame-retardant layer. According to the utility model, the reinforcing pieces can increase the integral connecting points of the upper end and the lower end in the gypsum board body, and the reinforcing pieces are provided with more stress supporting points, so that the practical strength and the stability are greatly improved, and the integral strength of the gypsum board body is effectively improved; the flame-retardant layer can decompose and absorb heat at high temperature, the combustion speed of the board is delayed, and the heat insulation layer is used for improving the heat insulation performance of the board.

The utility model discloses a prefabricated wall, which relates to the field of constructional engineering, and adopts the technical scheme that the prefabricated wall comprises a structural layer, the structural layer comprises a first steel layer and a second steel layer, an embedding groove is formed in the second steel layer, concrete layers are arranged on two sides of the first steel layer, an embedding block used for being embedded into the embedding groove is formed at one end, opposite to the second steel layer, of the first steel layer, and the concrete layers are embedded into the embedding groove. A threaded hole is formed in the embedded block, and a first through hole and a second through hole are formed in the two inner walls of the embedded groove correspondingly. Through the arrangement of the first through hole, the second through hole and the threaded hole, a constructor can fix the embedded block in the embedded groove through a bolt, so that two adjacent layers of wall bodies are connected, the wall bodies are connected stably and rapidly through a bolt connection mode, the connection process is not affected by the surrounding environment, and the construction efficiency is improved. The overall construction speed of a project is guaranteed, the silicate heat preservation material has good heat preservation performance, and the overall heat preservation effect of the heat preservation layer is guaranteed.

The invention relates to the technical field of building construction, in particular to an energy-saving and material-reducing type fabricated building wall which comprises a wall body and further comprises a mounting mechanism, a connecting mechanism, a connecting mechanism and a connecting mechanism, and the mounting mechanism is arranged in the inner wall of the wall body; the sealing mechanism is arranged in the inner wall of the wall body main body; the buffering mechanism is arranged on the outer wall of the wall body main body; wherein the mounting mechanism comprises a heat preservation layer, the outer wall of the heat preservation layer is fixedly connected with a mounting block, the inner wall of the mounting block is elastically connected with a sliding block through a reset spring, and the outer wall of the sliding block is fixedly connected with an insertion block; through the arrangement of the mounting mechanism, the heat preservation layer is inserted into the wall body main body, mounting can be completed by clamping the inserting block and the inserting groove, when the heat preservation layer is dismounted, the rotating block is rotated clockwise, the inserting block can be pulled to move through winding of the pull rope, the inserting block is separated from the inserting groove, the heat preservation layer is taken out, operation is easy and fast, and the field construction efficiency is improved.

The invention provides a carbon nanotube enhanced nano heat insulation plate and a preparation method thereof. The composite material is prepared by taking materials such as gas-phase aluminum dioxide, gas-phase silicon dioxide, carbon nanotubes, a heat reflection protective agent and fibers as raw materials through compression molding. The fireproof heat-insulating material has the advantages of heat reflection performance, low high-temperature heat conductivity coefficient, lower low-temperature heat conductivity coefficient, high melting point, good blocking property for flame and heat shock at high temperature of more than 1000 DEG C, reaching of A1-grade fireproof standard, simple preparation process, batch production, and wide application in industrial and building heat-insulating and heat-preserving scenes.

A broken line type curtain wall system comprises single hoisting units arranged in a 7 shape, and the adjacent single hoisting units are connected end to end to form the broken line type curtain wall system. Each single hoisting unit comprises a glass curtain wall unit and a grating curtain wall unit, the grating curtain wall units are arranged perpendicular to the outer vertical face of the building, and the glass curtain wall units are obliquely arranged between the outer vertical face of the building and the ends, extending towards the outer side of the building, of the grating curtain wall units. According to the invention, real integral hoisting of a single broken line unit is realized, and the construction efficiency and precision are greatly improved. According to the platform hanging system, a simple, universal and reliable connection scheme is provided. According to the invention, seamless fusion of functions and aesthetics is perfectly realized, the overall performance of the system is ensured, and the system has good economical efficiency and expandability.

The utility model relates to a vacuum plate structure, which is applied to the technical field of vacuum plates and comprises an aluminum plastic film, a core material and a getter, the aluminum-plastic film is provided with two layers, namely an upper aluminum-plastic film layer and a lower aluminum-plastic film layer, and the upper aluminum-plastic film layer and the lower aluminum-plastic film layer are annularly sealed; the core material is filled between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer, the getter is arranged between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer, and the space between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer is vacuumized; the aluminum-plastic film comprises a nylon protective layer, a first aluminum foil layer and a polyethylene PE layer which are sequentially stacked, and the polyethylene PE layer in the upper aluminum-plastic film layer and the lower aluminum-plastic film layer is arranged on the side close to the core material. The space between the upper aluminum plastic film layer and the lower aluminum plastic film layer is filled with the core material and the getter, and vacuumizing treatment is carried out, so that the sound insulation characteristic of the vacuum plate is improved; and the first aluminum foil layer in the aluminum-plastic film can improve the sound insulation index of high-frequency sound in the vacuum plate, reduce the air leakage rate and improve the durability of the vacuum plate.

The invention relates to the technical field of curtain wall detection, in particular to a construction and detection integrated method for a low heat transfer coefficient building curtain wall, and the method comprises the steps: detecting the realization quality of a thermal bridge cutoff structure of a curtain wall through a thermal bridge cutoff detection model in a pre-construction stage; detecting the continuity and leakproofness of the curtain wall thermal insulation system through a thermal insulation and leakproofness field detection model matched with the thermal bridge cutoff detection model in the construction stage; the root cause of the curtain wall defect is diagnosed according to the quality, continuity and leakproofness of the thermal bridge cutoff structure; and dynamically optimizing parameters of the thermal bridge cutoff detection model and the thermal insulation and leakproofness field detection model according to the obtained defect root cause, and predicting machining process abnormality and construction process abnormality by using machining data and construction data.

To provide a termite-proof heat insulating material and a termite-proof method capable of continuously protecting the heat insulating material from termites.SOLUTION: A termite-proofing heat insulating material 2A includes a heat insulating layer 20 having a first surface in contact with a base 1 of a building, a communication layer 30 provided on a second surface of the heat insulating layer 20 opposite to the first surface, and a fiber layer 70 provided on a side of the communication layer 30 opposite to the heat insulating layer 20 and including a nonwoven fabric. The communication layer 30 has a first surface portion, a second surface portion, and a main body portion connecting the first surface portion and the second surface portion, the first surface portion and the second surface portion are formed in a flat plate shape and are disposed at an interval in a thickness direction, and the vertical communication portion 41 is a space formed between the first surface portion and the second surface portion.SELECTED DRAWING: Figure 7

The invention discloses a prefabricated wind power mixed tower system and an assembling method. The prefabricated wind power mixed tower system comprises pipe pieces, a connecting assembly and an energy consumption assembly, and the multiple pipe pieces are spliced to form a mixed tower body; the connecting assembly is arranged between the two adjacent pipe pieces so as to fix the two adjacent pipe pieces; the energy dissipation assembly comprises a first plate and a second plate which are arranged in an overlapped mode, a part of section of at least one of the first plate and the second plate is an arc-shaped section, the first plate and the second plate can elastically deform and automatically reset, and the first plate and the second plate are each provided with a first end and a second end which are oppositely arranged in the first direction. The first end of the first plate and the first end of the second plate are connected with one of the two adjacent pipe pieces, and the second end of the first plate and the second end of the second plate are connected with the other one of the two adjacent pipe pieces. According to the embodiment of the invention, the overall structural stability is good, the assembling and connecting efficiency is high, the anti-seismic property is better, and the problems of freeze thawing and earthquake coupling damage in alpine regions are solved.

This invention discloses a prefabricated fireproof and thermally insulated sandwich wall panel and its manufacturing method. The key technical points are: the prefabricated fireproof and thermally insulated sandwich wall panel includes an inner concrete leaf wall, a sandwich insulation layer, and an outer leaf wall panel, wherein the sandwich insulation layer is located between the inner concrete leaf wall and the outer leaf wall panel. This invention achieves integrated structural, thermal insulation, and decorative functions; reduces weight by more than 20% while maintaining the same energy-saving effect; improves energy-saving performance by more than 30% under the same thickness conditions; effectively reduces the thermal bridging effect of the exterior wall panel; and improves the fire resistance limit of prefabricated components under fire or high-temperature conditions.

The invention discloses an air tightness adjustable heat preservation structure and method for connection of a prefabricated composite wall and a broken bridge door and window, and relates to the technical field of civil engineering, the air tightness adjustable heat preservation structure comprises a composite wall body, and is characterized in that an assembly groove is formed in the composite wall body, a fixed base is arranged in the assembly groove, and a door and window body is installed on the fixed base; a mounting groove is formed in the side, facing the door and window body, of the fixed base, a heat preservation assembly is arranged in the mounting groove, and the heat preservation assembly is attached to the bottom of the door and window body in a sealed mode. A built-in adjusting assembly is further arranged in the mounting groove, and the built-in adjusting assembly is connected with the heat preservation assembly and used for adjusting the sealing tightness of the heat preservation assembly. The sealing structure has the beneficial effects that the design of the inflatable closed rubber pipe is adopted, so that the inflatable closed rubber pipe expands and compresses a gap between the composite wall body and the door and window main body, the air tightness is adjustable, and the sealing performance reduction caused by material deformation or aging can be automatically compensated.

The present application relates to a full assembly type cantilever balcony component with flower pool, balcony and manufacturing method. The cantilever main body adopts a dense rib steel structure, a plurality of longitudinal main ribs, transverse secondary ribs and edge ribs enclosed in the periphery of the main ribs and secondary ribs are fixedly connected to form a grid-shaped stress structure used as the cantilever main body, and prefabricated flower pools and protective components are assembled on the cantilever main body. The cantilever balcony component is assembled on the building main structure to form a cantilever balcony, the inner side edge rib is supported and fixedly connected on the L-shaped steel plate of the embedded part to realize stable support, and the drainage port of the prefabricated flower pool is connected to the drainage system. The present application has the advantages of lightweight structure, functional integration and assembly integration. The dense rib structure reduces the self weight of the balcony by more than 15%, increases the cantilever span by 30%, improves the on-site construction efficiency by 50%, reduces the comprehensive cost by 20%-30%, and is suitable for residential buildings, apartments, tourism buildings and other civil buildings.