3028results about "Fire proofing" patented technology

A wildfire defense system trailer and method of installing an automated sprinkler¬ based wildfire defense system on a wood (home) building construction site before the starting of the construction phase of a home building project in a wildfire urban interface (WUI) region. The first commissioned automated sprinkler-based wildfire defense system will continue in operation all during the home building construction phase, and will only be decommissioned from operation, and removed from the premises, including the job-site wildfire defense system trailer being removed from the property, when construction of the wood building project is totally completed, and the wood building is ready for occupation. At the same time when the first system is decommissioned, a second permanently-installed automated sprinkler-based wildfire defense system will be completely installed within the new building construction, independent from the first system, and ready for commissioning to provide a new proactive measure of defense against a wildfire storm occurring after wood building construction has been completed, thereby protecting all wood and combustible surfaces on the home and surrounding property, and preventing fire ignition and flame spread until the wildfire storm passes through the WUI region. By virtue of the present invention, it is now possible to significantly reduce the risk of wood building construction projects occurring within a wildfire urban interface (WUI) region, and better support the underwriting of building construction and ownership insurance policies within such regions.

The utility model discloses a heat-preservation and energy-saving building column foundation heat-preservation joint which comprises an embedded part, a steel column and a high-strength heat-preservation cushion block. The embedded part comprises a positioning plate and a column foot anchor bolt and is embedded in the positioning plate when a reinforced concrete structural plate is poured, a higher part of the column foot anchor bolt is exposed according to the elevation of a steel column foot bottom plate, a high-strength heat preservation cushion block is arranged on the upper portion of the positioning plate, a hole is reserved in the position, corresponding to the column foot anchor bolt, of the high-strength heat preservation cushion block, and the column foot anchor bolt penetrates through the hole. A steel column base bottom plate penetrates through a column base anchor bolt to fall on the high-strength heat preservation cushion block and is firmly connected with the column base anchor bolt through a nut, a steel cover plate is arranged on the periphery of the steel column, the steel cover plate and the ground surface layer are located on the same horizontal plane, and the space between the steel cover plate and the steel column base bottom plate is filled with foaming polyurethane. On the premise that the structure bearing requirement is met, cold (heat) breaking is conducted on the column foundation part, a heat preservation surface layer does not need to be additionally adopted to wrap a building inner structure column (steel column), the size of the built building inner structure column is appropriate, and building space does not need to be additionally occupied.

A flame-retardant laminated solid wood composite floor and a manufacturing method therefor. The manufacturing method comprising: first reacting dopamine hydrochloride with acryloyl chloride to generate a dopamine acrylamide monomer; by means of a double bond in the dopamine acrylamide monomer, carrying out a click reaction with a phosphate monomer containing a sulfydryl group, so as to introduce a catechol group into a side chain of the phosphate monomer and obtain a flame-retardant monomer containing the double bond; and then mixing pentaerythritol tetra(3-mercaptopropionate), pentaerythritol triacrylate, perfluorodecanethiol and the flame-retardant monomer containing the double bond to obtain a photocurable coating material. The coating material is photocured after being coated on the surface of a wood veneer, thus effectively improving the flame-retardant performance of the wood veneer; moreover, the adhesion between the coating layer and the wood veneer is excellent. The wood veneers are laminated in multiple layers, are glued and assembled into a layered structure, and then hot-pressed to form the solid wood composite floor, thus improving the comprehensive performance.

The invention discloses an aerogel composite fiber flame-retardant thermal insulation material as well as a preparation method and application thereof, and belongs to the technical field of novel building materials. The aerogel composite fiber flame-retardant thermal insulation material is prepared from the following components in parts by weight: 0.5 to 2.5 parts of SiO2 aerogel particles, 18 to 21 parts of a polymer, 1 to 3 parts of an inorganic flame retardant, 1 to 3 parts of Al2O3 microbeads and 0.9 to 3.2 parts of a cross-linking agent, the SiO2 aerogel particles and the inorganic flame retardant are wrapped in the aerogel composite fiber flame-retardant thermal insulation material, and the Al2O3 microbeads are loaded on the surface of the aerogel composite fiber flame-retardant thermal insulation material. According to the aerogel composite fiber flame-retardant thermal insulation material, the SiO2 aerogel particles and the polymer in specific parts are combined, and the inorganic flame retardant, the Al2O3 microbeads and the cross-linking agent are matched, so that the aerogel composite fiber flame-retardant thermal insulation material has the heat conductivity, the density, the flame retardant property and the mechanical property, overcomes the defects of an existing thermal insulation material, can replace an existing building thermal insulation material, and has a wide application prospect. The industrial application of the aerogel is promoted.

The invention relates to the field of curtain walls, in particular to an innovative curtain wall with an expansion joint, through the arrangement of the expansion joint, the function requirement for expansion of building materials is met, and through the arrangement of a connecting assembly, a first stand column, a second stand column, a first expansion piece, a second expansion piece, a third expansion piece and a panel, the expansion joint is hidden on the rear side of the panel; uniformity of vertical faces of the curtain wall is guaranteed, the effect and quality of the curtain wall are improved, and the problems of heat preservation, heat insulation and expansion joint water leakage of an existing curtain wall are solved. By arranging the connecting assembly, the first stand column and the second stand column, the curtain wall structure is more stable. The problems that a curtain wall expansion joint is arranged on an outer vertical face, waterproof is difficult, and attractiveness, heat insulation and waterproof performance of a curtain wall are damaged are solved.

The invention relates to the technical field of building construction, in particular to an electric induction sun-shading photovoltaic suspended ceiling system and a working method thereof, and the electric induction sun-shading photovoltaic suspended ceiling system comprises a glass curtain roof, a roof structural member, a photovoltaic suspended ceiling structure, an induction operation mechanism and a sliding connection mechanism; the photovoltaic suspended ceiling structure adopts a modular design, and a plurality of groups of photovoltaic suspended ceiling structures are hinged to form a telescopic folding structure; the induction running mechanism comprises a tractor and an illumination sensor, and the sliding connection mechanism comprises a track beam, a pulley block and a connection structure. The illumination sensor is adopted to sense the illumination intensity, the induction running mechanism drives the photovoltaic ceiling structure to move along the track, automatic unfolding and folding of the photovoltaic ceiling structure are achieved through the control system, and the operation convenience is greatly improved; indoor temperature can be reduced, and use of equipment such as air conditioners is reduced; through the photovoltaic and suspended ceiling integrated design, solar energy is converted into green electric energy to be supplied to a building site for use, and therefore energy is saved.

The invention relates to the field of assembly automation and flexible manufacturing, and discloses an assembly method for a prefabricated firewall of a transformer substation, and the method comprises the following steps: setting a plurality of space positioning reference points at the edge of a wallboard; acquiring three-dimensional coordinate data to form a first point set and a second point set; calculating an initial rigid body transformation parameter between the wallboards according to the first point set and the second point set; establishing an energy functional for describing a total error; carrying out minimization solution on the energy functional by adopting a variational method to obtain an optimal disturbance vector field; according to the optimal disturbance vector field, a plurality of fine adjustment actuators of the wallboard are controlled, posture fine adjustment is conducted, and physical assembly connection of the wallboard and the target wallboard is completed. According to the invention, accurate attitude estimation and error correction in the wallboard assembly process are realized; the robustness and geometric fitting capability of the assembly process are improved; the assembly precision and efficiency are remarkably improved, and the problem that traditional redundancy control distribution is unstable is solved.

The utility model belongs to the field of curtain wall decoration, and relates to an assembly type telescopic partition wall plugging system between a glass curtain wall and an inner partition wall, which comprises a concrete partition wall, a stand column, and a partition wall plugging system and a plugging clamping system which are arranged between the concrete partition wall and the stand column, the partition wall plugging system comprises two partition wall section bars, and a buckle smoothing mechanism used for stretching and retracting is arranged at the connecting position of the two partition wall section bars. The blocking and clamping system comprises buckle bases fixed to the concrete partition wall and the stand column correspondingly, and the ends, away from the buckle smoothing mechanism, of the two partition wall sectional materials are assembled with the two buckle bases in a clamped mode correspondingly. The energy-saving curtain wall is simple in structure and easy to construct, the cost of later maintenance is greatly saved, the performance of the curtain wall in the aspect of green building energy conservation is ensured to the maximum extent, and the use energy consumption of a building is reduced.

The invention provides a novel polyurethane composite material protective fence and a forming process thereof, and relates to the field of protective fence equipment. According to the novel polyurethane composite material protective fence, a reinforcing material based on modified basalt fibers is compounded with novel polyurethane resin, a flame retardant and a nano inhibitor for inhibiting growth of weed vines are added, and the environment-friendly protective fence is integrally formed through dip dyeing, pultrusion, winding, weaving and cutting. The novel polyurethane composite material protective fence structurally comprises a foundation, stand columns, meshes, connecting pieces and a top cover. The polyurethane composite material has the advantages of being light in weight, high in strength and free of maintenance in the later period, the strength of the polyurethane composite material is twice that of a twisted steel bar with the same diameter, the weight of the polyurethane composite material is only 1 / 4 that of the steel bar, and the polyurethane composite material is light, so that the labor intensity of field workers is reduced, occupational hazards in the construction process are reduced; and the problems of paint peeling, fading and the like are avoided.

To provide an architectural member high in heat-shielding property, and a method for producing an architectural member.SOLUTION: An architectural member includes a substrate comprising a heat-durable crystallized glass plate, and a transparent film provided on at least one principal plane of the substrate. The transparent film contains sodium silicate. A method for producing an architectural member includes coating at least one principal plane of the substrate comprising the heat-durable crystallized glass plate with a coating material composition containing sodium silicate to form the transparent film. A method for producing an architectural member includes bonding a transparent film containing sodium silicate to at least one principal plane of the substrate comprising the heat-durable crystallized glass plate.SELECTED DRAWING: Figure 1

To provide a woody fire-resistant coated steel member which can prevent combustion progression to the inside of wood between flanges, and a method for constructing the same.SOLUTION: A woody fire-resistant coated steel member comprises: a steel member 16 made of an H-shaped steel having a web 10 and flanges 12, 14; a woody backing material 18 provided so as to be filled into a recessed part space 26 defined by the web 10 and the flanges 12, 14; and fire-resistant coating materials 20, 22 provided so as to continuously coat from the outside of the woody backing material 18 over the end parts and outsides of the flanges 12, 14.SELECTED DRAWING: Figure 1

The invention relates to a steel pipe internally and externally wrapped FRP and then confined concrete combination column and a manufacturing process thereof, and belongs to the technical field of civil engineering. The technical problems that an existing concrete-filled steel tube combination column with the outer wall pasted with FRP can only protect the outer wall of a steel tube from being rusted, and a component is poor in structural stress are solved. The steel pipe internally and externally wrapped FRP and then confined concrete combination column comprises an outer wrapping layer, a first structural adhesive layer, a steel pipe, a second structural adhesive layer, an inner wrapping layer and a concrete layer which are sequentially arranged from outside to inside. And the inner coating layer and the outer coating layer are respectively made of a fiber reinforced composite material. The steel tube internally and externally wrapped FRP and then confined concrete combination column is high in bearing capacity, good in durability, convenient to construct and assemble, good in construction quality control and good in fire resistance, can better cope with transverse stress and anti-corrosion environments of medium-long structural columns such as cross-sea bridges and offshore platforms, and is suitable for structures such as industrial and civil buildings, bridges and offshore platforms.

A fire barrier system including a sliding mounting system and being configured to extend across a gap between floor sections is described. The fire barrier system includes a fire barrier fabricated from fire-resistant protective materials draped between the floor sections and a mounting system coupled to the fire barrier and to one of the floor sections. The mounting system includes a mounting rail extending in a lateral direction along the floor section and having a mounting channel, a hook receiver, and a rounded lip. The mounting system includes a retaining bracket coupled to the fire barrier and including a hook end and a rounded end. The retaining bracket is inserted into the mounting channel perpendicular to the lateral direction and rotated into a coupling position within the mounting rail.

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.

To provide a fire-resistant structural material that has adequate fire resistance while being provided with a penetration part and having excellent aesthetic appearance.SOLUTION: A fire-resistant structural material 1 of the present invention has an elongated shape in one direction and includes: a load-supporting part 11 formed of steel; a flame-stopping layer 12 composed of solid wood covering the load-supporting part 11; and a sacrificial layer 13 covering the flame-stopping layer 12, the sacrificial layer 13 burning to protect the flame-stopping layer 12 when exposed to flames. The fire-resistant structural material 1 includes a penetration part 20 that penetrates the load-supporting part 11, the flame-stopping layer 12, and the sacrificial layer 13, and a tubular penetration-part covering layer 21 that covers an inner peripheral surface of the penetration part 20 is provided in the penetration part 20. Both ends of the penetration-part covering layer 21 are in contact with the sacrificial layer 13 and do not reach the surface of the sacrificial layer 13.SELECTED DRAWING: Figure 1

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 utility model relates to the technical field of building outer walls, in particular to a building energy-saving outer wall heat preservation structure which comprises a shell, a second groove and a third groove are formed in the two sides of the shell respectively, a sliding rod is fixedly connected into the second groove, a spring is arranged outside the sliding rod, one end of the spring is fixedly connected with the inner wall of the second groove, and the other end of the spring is fixedly connected with the inner wall of the third groove. The other ends of the springs are fixedly connected with moving plates, the side faces of the moving plates are fixedly connected with limiting rods, the moving plates are slidably connected with the sliding rods, the tops of the moving plates are fixedly connected with sliding blocks, sliding grooves are formed in the tops of the first wear-resisting layer and the shell, the sliding blocks are slidably connected in the sliding grooves, and clamping blocks are fixedly connected into the third grooves. By arranging the sliding grooves, the sliding rods, the moving plates, the limiting rods and the springs, the external wall heat preservation structure can be conveniently mounted and dismounted, and the problems that a traditional external wall heat preservation structure is not high in firmness degree and prone to falling off are solved.

The utility model discloses a novel waterproof and fireproof protective cover which is characterized in that an upper sliding rail is enclosed to form a ring and is arranged above the ground; a ceiling is arranged in an annular shape defined by the upper sliding rails, and the ceiling is matched with the hollowed-out areas of the upper sliding rails; the supporting stand column is arranged on the ground and connected with the upper sliding rail. The isolation unit is slidably connected with the upper sliding rail, and the height of the isolation unit is larger than or equal to the distance from the upper sliding rail to the ground. The driving power source is in transmission connection with the isolation unit and is electrically connected with the terminal; the sensor is arranged on the upper sliding rail and / or the supporting stand column, and the sensor is electrically connected with the terminal. Through the combination of the upper sliding rail and the isolation unit, air or flames can be rapidly isolated from fire disasters in closed spaces such as garages and workshops, and spreading of the flames is effectively prevented. Environmental parameters are monitored in real time through the sensor system, early warning and intelligent response of fire risks are achieved, and the efficiency and reliability of fireproof protection are further improved.

A compartment penetration treatment structure, a construction method for the compartment penetration treatment structure, and a compartment penetration treatment material are provided that can reduce variations in fire resistance performance and improve fire resistance performance. [Solution] A compartment penetration treatment structure 10 is formed in a partition 11 of a building, and has a compartment penetration section 15, through which a long insert 21 is inserted, as a fireproof structure. The structure is provided with a sheet-like member 3 that blocks at least a portion of the gap between the opening 13C of the compartment penetration section 15 provided in the partition 11 and the insert 21, and the sheet-like member 3 is laminated with at least three layers of base materials 30A, 30B and a heat-expandable fire-resistant material layer 31A.

A fire-rated component for a fire-rated joint, such as a head-of-wall assembly, includes an elongate body having at least a first layer, which can be in the form of a polymer profile. A second layer can be or include a foil lining and a third layer can be or include an intumescent material. The elongate body, such as the first layer, defines an air gap. The foil lining and / or the intumescent material can be positioned within the air gap. A planar lower portion of the first layer of the elongate body is positioned between a header track and a wallboard in the fire-rated joint. A non-planar upper portion of the first layer of the elongate body is positioned at least partially within a deflection gap of the wall assembly and sealingly engages the ceiling.

The utility model relates to an infilled wall and outer wall glass joint filling structure, and belongs to the technical field of building construction. The window mainly comprises an outer wall window, an inner partition wall, rectangular pipes, square pipes and silica gel strips, the rectangular pipes are fixedly connected with a window frame of the outer wall window, the square pipes are installed at the two ends of one side of the inner partition wall of each rectangular pipe, the square pipes and the inner partition wall are plugged through the silica gel strips, and the inner partition wall, the rectangular pipes, the square pipes and the silica gel strips are filled with foam glue. The two sides of the inner partition wall, the rectangular pipes, the square pipes and the silica gel strips are coated with fireproof coatings, and good fireproof performance is achieved. The rectangular pipe is fixed to the outer wall window, the foam rubber filling layer is supported and limited through the square pipe, the space between the square pipe and the inner partition wall is blocked through the silica gel strip, the silica gel strip can meet the deformation requirements of thermal expansion, ductility and the like, the blocking effect is good, and the good sound insulation, light insulation, fire prevention and smoke prevention effects are achieved.

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 relates to a UHPC-based fabricated fire-fighting smoke exhaust fan room structure and a construction method thereof, the room structure comprises a main body structure, and the main body structure is prefabricated by adopting an ultra-high performance concrete UHPC material; a fan is arranged in the internal space of the main body structure; the main body structure is provided with a machine room enclosure bulkhead cylinder body and an end cover side wall. Wherein the machine room enclosure bulkhead cylinder body is provided with a bottom plate, a first side wall and a second side wall, the first side wall and the second side wall are connected with the bottom plate and vertically arranged in parallel, and a first opening end and a second opening end which are oppositely arranged are arranged at the two ends of the machine room enclosure bulkhead cylinder body in the horizontal direction respectively; the end cover side wall is provided with a first end cover and a second end cover which are respectively arranged at the first opening end and the second opening end; the first end cover and the second end cover are each provided with a smoke suction and exhaust port, and the smoke suction and exhaust ports are used for being connected with a ventilation pipeline. The UHPC shell is adopted, the advantages of being high in strength and good in fire resistance are achieved, the prefabricated assembly type structure is adopted, construction is convenient, and efficiency is high.

The utility model discloses a steel fireproof curtain wall transverse profile which comprises a profile body, and a protruding part used for bearing glass is arranged on the side face, facing the outdoor direction, of the profile body. A positioning groove is formed in the side face, facing the indoor direction, of the sectional material body in the length direction of the sectional material body, and the positioning groove penetrates through the two ends of the sectional material body in the length direction. And a decorative strip which is adaptively inserted into the positioning groove is also arranged. The side face, facing the indoor direction, of the sectional material body is not a flat surface any more, but is provided with the positioning groove, the positioning groove can be used for containing a connecting piece and achieving a hidden connection mode, a decoration strip can be placed in the positioning groove in a matched mode, the side face, facing the indoor direction, of the sectional material body is a flat surface after the decoration strip is inserted, and the requirement for attractiveness is met. Importantly, the end of the transverse profile can be cut at any angle instead of a traditional structure with a right-angle end. A connecting piece used with the device is more convenient and smoother to install, and a worker only needs to align to the position and tighten a screw.

The invention discloses a waterproof structure for a fabricated building and a using method of the waterproof structure, and belongs to the technical field of fabricated buildings. The structure comprises a prefabricated outer wall, cast-in-place wall bodies are arranged on the two sides of the prefabricated outer wall, building sealants are arranged on the opposite sides of the prefabricated outer wall and the cast-in-place wall bodies, two pieces of fireproof glue are jointly embedded into the front side of the prefabricated outer wall and the front side of the cast-in-place wall bodies, and sealing rubber strips are arranged on one sides of the fireproof glue; two backing materials are jointly embedded in the rear side of the prefabricated outer wall and the rear side of the cast-in-place wall, waterproof glue is arranged on one side of each backing material, a drainage groove is formed between the prefabricated outer wall and the cast-in-place wall, and drainage holes are formed in the bottom and the side face of the drainage groove. The seamless connection structure has the advantage of being high in safety, seamless connection is achieved between the prefabricated outer wall and the cast-in-place wall body under the cooperative use of the structure, and the safety and stability between the prefabricated outer wall and the cast-in-place wall body are remarkably improved.

The utility model relates to the technical field of calcium silicate boards, in particular to a calcium silicate board waterproof structure which comprises a structure body, a first calcium silicate board layer is arranged at the top of the structure body, a colored surface is arranged at the bottom of the first calcium silicate board layer, an anti-corrosion layer is arranged in the structure body, a drying layer is arranged in the anti-corrosion layer, and a fireproof frame is arranged in the drying layer. A silencing structure is arranged in the fireproof frame and mainly comprises a silencing layer, a sound transmission hole, a silencing opening, silencing cotton and a silencing medium. Through the arrangement of the sound transmission holes, the silencing openings, the silencing cotton and the silencing medium, noise transmission can be reduced through the silencing layer, external noise is absorbed through the sound transmission holes, the absorbed noise is transmitted to the interior of the sound absorption medium, and the absorbed noise is circularly transmitted and reduced through the silencing holes in the sound absorption medium; and through the silencing cotton, the transmission of noise can be reduced, the volume of the noise is effectively reduced, and the sound insulation effect of the sound reduction layer is ensured.

The present invention relates to the field of curtain walls, and discloses a special-shaped curtain wall installation system for multi-story buildings, including an aluminum profile unit, a glass unit, a composite aluminum plate unit, a sealing unit, a steel unit, a fastener stainless steel member unit, a glue unit, a fireproof unit, a heat insulation unit, and a hardware unit. The curtain wall installation system of the present invention facilitates the installation of multi-story curtain wall structures, and at the same time has higher stability and excellent mechanical properties.

A fire protection element contains a layered body for sealing passage openings in components, such as building components, through which lines are guided. A method can be used for producing the fire protection element and the fire protection element can be used for sealing passage openings and / or joints in components against fire and flue gases.