1790results about "Fire proofing" patented technology

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 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.

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 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 invention relates to an assembly type integrated fire-fighting smoke exhaust fan room structure which comprises a machine room enclosure bulkhead cylinder body which 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 the two ends of the machine room enclosure bulkhead cylinder body in the horizontal direction are provided with a first opening end and a second opening end which are oppositely arranged correspondingly; 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; smoke suction and exhaust ports are formed in the first end cover and the second end cover and are used for being connected with a ventilation pipeline; the machine room access door is arranged on the first side wall or the second side wall and can be opened and closed; the fan is arranged in an internal space formed by the machine room enclosure bulkhead cylinder body, the first end cover and the second end cover; the machine room enclosure bulkhead cylinder body, the first end cover, the second end cover and the machine room access door are all of a prefabricated concrete structure. The fabricated integrated design is adopted, the cost is low, the self weight is light, fireproof performance is achieved, and the advantages of being stable, reusable, attractive and the like are achieved.

A fire-blocking gasket includes a profile having a plurality of legs and defines an interior space. The interior space including a fire-blocking material and / or an intumescent material for providing fire, smoke and / or sound protection across a deflection gap in a building joint. The gasket can be installed within the building joint by direct attachment with a track member within the deflection gap.

A device produces and seals a line feedthrough directly beneath a ceiling and has a feedthrough box to be fastened to the ceiling, with two opposite open end faces and side walls extending between them, which are open towards the ceiling and are to be closed off by the ceiling, such that the side walls in a state of the box mounted on the ceiling, together with the ceiling, form an axial passage channel which is closed in the circumferential direction. The device also has one or more support frame elements, wherein each support frame element is integrally formed or fixed on the side walls of the box on the outside thereof, and extends radially outwards in such a way that it forms an essentially planar bearing surface for supporting a wall panel, when a vertical wall is being produced or closed off around the box.

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.

Firewall device for caulking an aperture defined in a separating element and traversed by through elements, notably consisting of cables, pipes or the like, this device being in the form of a casing of rectangular, circular or oval cross section, provided with a first aperture on a first face on which said through elements enter the casing, referred to as the front face of the casing, and a second aperture on a second face, referred to as the rear face of the casing, opposite the first face and forming an exit aperture for said through elements, such that the casing includes flaps constituting a frame for the first aperture of the casing, said device includes sheets of intumescent material covering a first part of the inner face of the casing on the rear face side of the casing, and blocks of caulking foam on the casing front face side covering a second part of the casing inner face, said foam blocks filling a first space between the casing wall(s) and said through elements, and said flaps forming retaining flanges for said foam blocks.

Systems and methods are disclosed for protecting structures. In example embodiments, one or more waterproof barrier panels are sealed to one or more exterior walls of the structure. In other example embodiments, the barrier system comprises a plurality of sealing elements, protective panels and, optionally, tracks comprising shackles or hooks for suspending the protective panels. The barrier panel optionally comprises a thermoplastic olefin, and further optionally comprises a fire-resistant material. In other embodiments, the system includes one or more guide tracks having channels through which expanded edge portions of the barrier panel can slide to deploy the system, and optionally also including one or more radiused corner elements having channels to allow the barrier panel to deploy smoothly around corners of the structure.

A fire protection element can be used for sealing a combustible body, which penetrates an opening in a wall or ceiling, in the event of a fire. The fire protection element has a belt- shaped carrier from the edge of which tongues protrude transversely to the longitudinal direction of said carrier. The tongues are connected to the belt-shaped carrier, at least a significant proportion of the tongues are formed of a bimetal, and the tongues can move in one direction under the effect of heat. A fire protection material is applied to at least one side of the tongues. Furthermore, a method can be used for sealing a combustible body, which penetrates an opening in a wall or ceiling, in the event of a fire.

The invention discloses a preparation process and application of a high-performance novel building material, relates to the technical field of building materials, and aims to solve the problems that a fireproof plate in an existing high-performance novel building material is insufficient in fire endurance, easy to crack and deform at high temperature and incapable of effectively obstructing flame diffusion. The preparation process comprises the following steps: S1, raw material treatment: selecting magnesium oxide, magnesium chloride, silica fume, glass fibers, basalt fibers, plant fibers, nano magnesium hydroxide, a formaldehyde-free adhesive and water as raw materials, then performing alkali liquor soaking and drying treatment on the plant fibers, treating the glass fibers through a coupling agent, and performing microwave treatment on the basalt fibers; s2, raw materials are weighed, specifically, 30-40 parts by weight of magnesium oxide, 15-20 parts by weight of magnesium chloride, 5-10 parts by weight of silica fume and 5-8 parts by weight of glass fibers are sequentially weighed; the method has the advantage of improving the performance of the fireproof plate.

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.

The invention discloses a deformation joint structure based on active guide drainage and long-acting sealing and a construction method thereof, and belongs to the technical field of building construction. The structure comprises a bottom active guiding and discharging assembly and a top sealing assembly. The bottom active guide and drainage assembly comprises flexible waterproof adhesive tapes which are fixedly adhered to the side walls of the building structures on the two sides of the deformation joint through adhesive layers, and the flexible waterproof adhesive tapes are bent downwards to form drainage channels; the top sealing assembly comprises waterproof reverse ridges arranged on the top faces of the building structures on the two sides and a top cover plate stretching across the deformation joint. According to the invention, a first defense line is formed through the top cover plate and the side waterproof reverse ridges by taking'changing blockage into dredging 'as a core, so that an external water source is effectively blocked; and a second defense line is formed through the flexible waterproof adhesive tape at the bottom, permeated water flow is actively collected and discharged, the water leakage problem caused by aging of traditional sealant is avoided, and long-acting sealing and water prevention of the deformation joint are achieved.

The invention provides an inorganic glue and H-shaped steel beam reinforced concrete floor slab and a construction method, relates to the field of existing building reinforcement, and aims to solve the problem of limited bearing capacity improvement caused by reinforcement of a single component of the floor slab at present. The bearing capacity limitation of traditional local reinforcement is broken through, excessive dependence on original floor performance is avoided, reinforced concrete floors, H-shaped steel beams, peripheral beams, columns, walls and other stress components work cooperatively, and a new stable force transmission structure system is formed. The anchoring area in the through hole rigidly connects the H-shaped steel beam with an original floor steel bar node and a concrete base body through a connecting piece, so that effective transmission of loads is ensured; the through hole form with the wide top and the narrow bottom enhances the occlusion force between the anchoring material and the floor, and improves the connection reliability; the carbon fiber cloth above the through holes restrains the floor concrete in the trepanning area, and local strength loss possibly caused by trepanning is made up.

System and methods for sealing a joint between drywall and a deck panel. The methods may comprise: coupling a firestopping device to an end of the drywall (the firestopping device comprising a carrier structure having a channel into which at least a portion of the end of the drywall is received during the coupling); placing the drywall adjacent to the deck panel so as to cause a firestopping structure of the firestopping device to be compressed between the carrier structure and the deck panel for sealing the joint; and allowing, by the firestopping device, relative movement of the drywall and deck panel when the drywall is being used to provide a wall configuration.

The invention discloses a sound chamber module system which is provided with walls on four sides and comprises a door to create an internal space, a main body frame arranged on one side of the wall, a video device arranged in the center of the main body frame and a plurality of audio devices arranged on two sides of the periphery of the video device, and the wall comprises a concrete layer. The sound absorption material layer is installed on the concrete layer, and the sponge component is doped with ferrite components. The sound absorption material layer comprises a semi-non-combustible sheet layer in which water and melamine resin powder are dissolved.

The utility model discloses a shielding layer structure integrated design module, which comprises a first shielding layer, a second shielding layer arranged on the rear side of the first shielding layer, and a convenient splicing mechanism arranged inside and on the rear side of the first shielding layer. The convenient splicing mechanism comprises a triangular groove, a clamping groove, a triangular block, a clamping block, a second shielding layer, a connecting column, a fixing shaft, a spring, a clamping strip and a bayonet. According to the shielding layer structure integrated design module, wall shielding layers of a nuclear medicine and an accelerator can be rapidly spliced for installation by arranging a convenient splicing mechanism, the installation efficiency can be greatly improved, meanwhile, a structure bearing capacity strengthening mechanism is arranged, the bearing capacity of the shielding layers can be strengthened, and therefore the wall bodies are connected; in addition, a convenient-to-carry mechanism is arranged, a wall shielding layer can be stacked and limited, and convenience is provided for transportation and carrying.

The utility model relates to the technical field of refractory bricks, in particular to a refractory brick with a splicing structure, which comprises a refractory brick main body, an upper splicing piece is integrally arranged above the refractory brick main body, a lower splicing piece is integrally arranged below the refractory brick main body, and the upper splicing piece and the lower splicing piece are arranged in a staggered manner. The upper splicing pieces and the lower splicing pieces are of an engaged matching structure, clamping grooves are formed between the upper splicing pieces and the lower splicing pieces correspondingly, clamping pieces are clamped between the clamping grooves in the same layer, and heat dissipation grooves are formed in the front face and the rear face of the refractory brick body correspondingly. According to the refractory brick with the splicing structure, the splicing pieces clamped with each other are arranged above and below the refractory brick, meanwhile, the refractory brick is spliced in a staggered mode, integrity is higher, the splicing pieces are stable in structure and not prone to damage, and splicing stability is ensured. According to the refractory brick with the splicing structure, the penetrating clamping pieces are arranged between the splicing pieces, the clamping pieces are of a steel bar structure, and the structural strength of refractory brick splicing can be enhanced.

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 a building component and a building structure, and relates to the technical field of buildings. Wherein a cavity is limited in the framework, and a plurality of communicating holes capable of communicating with the cavity are formed in the cavity wall of the framework; and the concrete body covers the periphery of the framework and is filled in the cavity. The excellent compression resistance of the concrete body can be used for bearing the load of a pressure area, meanwhile, restraining force can be generated on the framework, local yielding of the framework is prevented, the fireproof and anti-corrosion effects can be achieved, the framework can bear tensile force to make up for the tensile weakness of the concrete body, shear force can be borne, ductility is improved, and the service life of the concrete body is prolonged. And the bearing capacity and the stability of the building component are improved. Besides, the mechanical occlusal force between the framework and the concrete body can be increased through the communicating holes, interface slippage and cracking are effectively avoided, and the cooperative work capacity and durability of building components under long-term loads are guaranteed.

The invention provides an assembly type fireproof transformation structure of an existing log beam structure floor slab, which is installed on the basis of an existing log beam. The fireproof partition board is laid above the existing log beam, the fireproof coating layer is coated on the surface of the existing log beam, the suspenders are fixed below the existing log beam at intervals along the existing log beam, the keel structure is connected to the bottoms of the suspenders, and the fireproof board is mounted below the keel structure. No additional floor load is added; a quadruple fireproof protection system is formed, and the fire endurance is greatly improved; the core components are prefabricated in factories and assembled through on-site dry-method operation; zero-damage protection of the precious original structure is achieved, the construction speed is high, and noise and dust pollution are small; and the method is particularly suitable for reconstruction of brick-wood structure buildings needing to protect historical features, is also suitable for fire safety upgrading of various old houses, and has extremely high social benefits and economic benefits.

The invention relates to a natural building material panel consisting of individual blanks made of clay and loam, which are arranged seamlessly and offset and are connected by force. Since the individual components (blanks) are already dry, the panel production process is not subject to drying shrinkage, and the final panel can be as large as an entire wall. The overlaps and the fully bonded paper reinforcements on the top and bottom surfaces, as well as between the layers, provide sufficient reinforcement to withstand flexural loads. The internal reinforcements are temporarily protected by the resting blanks in case of fire or water, thus keeping the plate dimensionally stable for longer.

The protection structure comprises a main body and a shielding assembly, a first air inlet is formed in the top wall of the main body, the shielding assembly comprises a cover plate and a supporting piece, the cover plate is supported above the top wall through the supporting piece and is provided with a second air inlet staggered with the first air inlet, and the first air inlet is communicated with the second air inlet. And a drainage mechanism is further arranged on the main body, specifically, a drainage ditch surrounding the periphery of the first air inlet is arranged, falling rainwater is shielded by the cover plate, rainwater falling from the second air inlet is collected into the drainage ditch on the upper side of the top wall to be drained, it is avoided that the rainwater falls into the well through the first air inlet, and the rainproof effect of protecting equipment in the well is achieved.

The utility model relates to the technical field of building construction garbage cleaning devices, in particular to a rotatable garbage chute channel which comprises a supporting structure, a chute channel body and a rotating structure, the supporting structure is formed by building scaffold steel pipes, and the height of the supporting structure can be adjusted according to actual conditions; the sliding groove channel is formed by splicing wood plates, the size of a single wood plate is 1.5 m * 0.8 m, and the wood plates and the scaffold steel pipes are bundled and fixed through steel wires. The rotating structure comprises angle iron and a bearing, the angle iron is cut into a proper length and then manufactured into a rotatable support, the bearing is installed on the rotating portion of the rotatable support, the bearing is connected with a discharging port, and the discharging port is formed above the temporary garbage pool. The building construction efficiency is improved, the construction cost is reduced, and the construction environment quality is improved.

The application provides a large-space variable house type steel structure residence and a design method thereof, and relates to the technical field of steel structure residence design, and specifically comprises mutually connected column bodies and floors, the column body is sequentially provided with a concrete core, a rectangular steel pipe column and a first reinforced concrete cladding layer from inside to outside; the first reinforced concrete cladding layer comprises a steel mesh layer; the floor is sequentially provided with a top reinforced concrete layer, a middle layer and a bottom reinforced concrete layer from top to bottom; the middle layer is uniformly provided with a combined rib beam, a hollow square box and a floor rib beam; the combined rib beam is used for connecting the floor and the column body; a plurality of floor rib beams are vertically arranged to form a grid structure; the grid structure is symmetrically arranged on both sides of the combined rib beam; and the hollow square box is arranged in a grid hole of the grid structure. The scheme can provide a large-space beamless and columnless space, improve the use area in the suite, and be suitable for the dynamic change requirement of a family structure.

The utility model relates to the field of steel structures, in particular to an energy-saving fireproof steel structure of a green building, and adopts the technical scheme that the energy-saving fireproof steel structure of the green building comprises a gypsum shell, I-shaped steel, a fireproof frame plate, a fireproof frame, an expansion plate, a fireproof plate and fireproof cotton, the expansion plate is made of expanded silicate materials, the fireproof cotton is of an expansion type, and the fireproof plate is made of expanded graphite materials. First groove bodies are formed in the front ends and the rear ends of the fireproof frames in a penetrating mode, expansion plates are installed in the first groove bodies, extending frames distributed at equal intervals are fixedly connected to the ends, close to each other, of the fireproof frames, and limiting frames distributed at equal intervals are fixedly connected to the ends, away from each other, of the fireproof frame plates. By means of the expansion plates distributed on the upper side and the lower side of the I-shaped steel and the fireproof plates and the fireproof cotton distributed on the inner walls of the left side and the right side of the I-shaped steel, when a fire disaster occurs, the I-shaped steel can be heated to expand so as to fill a gap between the gypsum shell and the I-shaped steel, and the expansion materials form an internal fire insulation layer to isolate external high temperature so as to protect the I-shaped steel.

The utility model relates to the field of steel structures, in particular to a novel assembly type steel-concrete structure which comprises a steel column and a steel beam, the steel column and the steel beam are both H-shaped steel, first stiffened plates are welded to the two ends of the steel column, a plurality of first main ribs are arranged between the two first stiffened plates in a penetrating mode, and at least one main bracket is arranged between the two first stiffened plates. One end of the flange of the main bracket is embedded between the flanges of the two steel columns, the first main reinforcement penetrates through the flange embedded section of the main bracket, first concrete pouring cavities are formed between the flanges of the main bracket and the stiffened plates, the web of the main bracket extends out of the first concrete pouring cavities, mounting holes are formed in the extending parts of the web of the main bracket, and second stiffened plates are welded to the two ends of the steel beam. A plurality of second main ribs are arranged between the two second stiffened plates in a penetrating mode, a second concrete pouring cavity is formed between the two stiffened plates, and a matching hole is formed in the end of a web of the steel beam, and the main bracket and the steel beam are rigidly connected through a bolt penetrating through the mounting hole and the matching hole.