216results about "Fire proofing" patented technology

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.

This utility model relates to the field of building structure engineering technology and discloses a prefabricated octagonal grid structure, including a connecting frame. A connecting mechanism is provided at the top of the connecting frame to connect it. Multiple support rods are equidistantly arranged around the bottom wall of the connecting frame, and an energy supply mechanism is provided on the outer wall of each support rod to achieve energy self-sufficiency for the structure. The connecting mechanism includes a connecting frame located at the top of the connecting frame. Multiple connecting slots are equidistantly formed on the top wall of the connecting frame, and these slots engage with the connecting frame. In this utility model, the outer connecting parts of the grid unit are precisely aligned with the mounting holes on the support rods. Bolts are passed through and tightened to firmly connect the grid unit to the support rods, enhancing the stability and load-bearing capacity of the structure. Furthermore, the octagonal grid shape enriches the visual effect of the building and meets diverse aesthetic needs.

The utility model relates to building material technical field discloses a kind of composite heat-insulating fireproof insulation board, including base plate, setting in the middle part of the insulation board;Heat-insulating core layer, setting in the top of the base plate;Facing layer, setting in the below of the base plate;Clamping slot and clamping tongue are respectively set in the opposite side of the insulation board;Sealing strip, set between the clamping slot and clamping tongue, for sealing junction, the heat-insulating core layer is made of foamed ceramic material, the facing layer is made of metal plate, the clamping tongue is inserted in the clamping slot on adjacent insulation board.The utility model in, by the cooperation between clamping tongue and clamping slot, adjacent insulation board can be quickly spliced, simplify installation procedure, improve construction efficiency, while embedding silica gel sealing strip between clamping slot and clamping tongue, synchronous compression sealing strip in installation process, fill panel connecting gap, effectively improve the air tightness of splicing, prevent air and water vapor penetration.

This invention relates to a sealed support profile with a built-in segmented, encapsulated moisture-absorbing medium and its manufacturing process, belonging to the field of composite building material profile production technology. This profile is made from composite fiber raw materials through room-temperature extrusion using a specially customized mold, followed by simultaneous gluing and shaping. The internal hollow cavity contains segmented, independently wrapped rod-shaped moisture-absorbing media made of non-woven fabric, with expansion space reserved during sealing. A microporous membrane combined with end-sealing forms a multi-layered moisture-proof structure. The product is divided into ordinary heat-insulating and fire-resistant heat-insulating types according to the base material formulation; the appearance color is purely decorative. This invention enables integrated continuous production, eliminating the need for secondary opening and filling. Defective products can be crushed and recycled, effectively solving problems such as easy deformation, media expansion damaging the profile, complex processes, and inconvenient functional identification in existing products. It has significant advantages such as stable structure, moisture resistance and durability, energy saving and labor saving, and cost reduction and efficiency improvement.

A two-component composition is described. This composition comprises a first component, comprising at least a water glass and propellant-filled microhollow spheres with a propellant-filled core and a polymer material as a shell; and a second component, comprising an organic solvent for opening these microhollow spheres, wherein the first component contains silicate fibers.

The application relates to a fireproof wall plate adopting a staggered joint structure and belongs to the technical field of fireproof wall plates. The fireproof wall plate solves the problem of possible fire stringing at the joint of the fireproof wall plate in the prior art, and comprises a keel (10), a first wall body (1) and a second wall body (2). The first wall body (1) and the second wall body (2) are filled in the keel (10). The first wall body (1) is provided with a first assembling part (101), the second wall body (2) is provided with a second assembling part (201), the first assembling part (101) and the second assembling part (201) are connected through a staggered joint form, and direct flame from the gap is avoided. The first wall body (1) and the second wall body (2) are both filled with multiple layers of thermal insulation materials, and the thermal insulation materials are connected in a staggered joint form. A cavity (3) is arranged in the assembling joint gap between the first assembling part (101) and the second assembling part (201). The cavity (3) is filled with fireproof materials, and the penetration of the flame is blocked.

The utility model discloses a polypropylene frame nanometer thermal insulation board, which comprises a thermal insulation board body, the outer end of the thermal insulation board body is fixedly connected with an MPP reinforced frame, the thermal insulation board body comprises a protective layer, an electromagnetic shielding layer, a thermal insulation layer, a sound absorption damping layer, a fireproof blocking layer and a lining layer, the protective layer is attached to the electromagnetic shielding layer, and the lining layer is attached to the thermal insulation layer. A traditional silica gel frame is replaced by the MPP frame, a multi-layer functional structure is integrated, the comprehensive performance and the application range of the nanometer heat insulation plate are remarkably improved, the fire endurance breaks through 1.5 hours through double protection of the flame-retardant MPP surface layer and the ceramic coating, leap-type improvement is achieved compared with 0.5 hour of the silica gel frame, and the service life of the nanometer heat insulation plate is prolonged. The aerogel core layer is embedded into the MPP reinforcing ribs, so that the heat insulation and bearing capacity structure is optimized, and the physical performance of the heat insulation plate is improved to a great extent.

The sealing material prevents concrete from flowing out after concrete pouring through steam vents formed between the inner and outer surfaces of the steel pipes that make up the steel-pipe concrete column, while allowing steam generated from within the concrete during a fire to pass through. It also prevents the main body of the sealing material that closes the steam vents from falling into the steel pipe if it is severed by heat, impact, or other external forces such as tensile force. [Solution] The plug material 2 has a main body portion 21 that can be melted in the event of a fire, has a cross-sectional area that can be in contact with the steam vent hole 71 and a length that exceeds the total length of the steam vent hole 71, and is positioned inside the steam vent hole 71. The sealing material 1 is made up of a spring material 3 that is attached to the main body portion 21 and has a locking portion 31 that locks onto the inner circumferential surface 7a of the steel pipe 7. The falling prevention material 4 has a locking portion 41 that locks onto the outer circumferential surface 7b of the steel pipe 7 when the main body portion 21 is inserted into the steam vent hole 71.

The utility model belongs to the technical field of guardrails, and particularly relates to a chemical safety guardrail which comprises a mounting plate, limiting seats are fixedly arranged on the two sides of the top face of the mounting plate, the two limiting seats are arranged in a mirroring mode relative to the center line of the mounting plate, and limiting clamping grooves formed in one sides of the limiting seats are connected with the two sides of a flame-retardant energy-absorbing core layer in a sliding mode. A top plate fixedly arranged at the top end of the flame-retardant energy-absorbing core layer is connected with the top face of the limiting base, an anti-impact outer plate is arranged on one side of the flame-retardant energy-absorbing core layer, splice plates fixedly arranged at the ends of the two sides of the anti-impact outer plate are connected with movable grooves formed in the corners of the limiting base, and an anti-explosion net layer is arranged on the other side of the flame-retardant energy-absorbing core layer. And the explosion-proof net layer is connected with the rear side of the limiting seat, so that the problems that most of traditional chemical safety fences are made of single materials, the impact resistance is weak, the fireproof performance is poor, and meanwhile, due to the integral design, overall replacement is needed for local damage, and maintenance is inconvenient are solved.

To provide a wooden fireproof wall material with excellent fire resistance capable of preventing fire spread with a simple structure.SOLUTION: Provided is a fireproof wall material using a fireproof layer formed of fire proof materials as a center layer, and provided with wooden layers serving as wall support parts, on both faces thereof.SELECTED DRAWING: Figure 1

The utility model relates to a one -piece board connection technical field, and disclose a kind of quick installation's mold protection one -piece board connecting piece, including plate body assembly, concrete component and connecting body assembly, concrete component is installed in the side of plate body assembly, connecting body assembly is respectively sleeved in the inside of plate body assembly and concrete component;It is favorable to prevent fire spread effectively through fireproof layer and outside reinforcing layer in plate body assembly, improve mold protection one -piece board strength and stiffness, avoid the crack of plate body, improve the safety, durability and permeability resistance of building;It is favorable to be directly together with concrete structure and pour in construction process, without additional formwork removal step, to significantly improve construction efficiency, and connecting piece can ensure mold protection one -piece board and the firm connection of the concrete wall body that pours, improve the safety and stability of structure, reduce installation cost and guarantee building safety.

This invention discloses a light-shielding barrier for steel structure construction, comprising: support bases, spaced apart around the perimeter of the steel structure and divided into upper and lower layers; steel wire ropes, horizontally arranged between adjacent support bases, with the upper and lower layers of steel wire ropes arranged in a flat shape; protective cloth, disposed between the upper and lower steel wire ropes; and locking rings, slidably connected to the steel wire ropes and fixed at intervals to the protective cloth. This invention has the following advantages and effects: by layering sliding rails composed of steel wire ropes on the steel structure and slidably connecting protective cloths between the steel wire ropes, the light-shielding barrier can be quickly erected and deployed. Furthermore, the shape of the sliding rails can be freely adjusted, allowing for flexible adjustment of the barrier's position and shape according to the beam and column layout of the steel structure construction area. There are no leakage gaps, achieving stable light-shielding protection. The entire light-shielding barrier can be easily disassembled and transported for reuse.

This invention relates to the field of thermal energy storage and flame retardant materials technology, specifically to a bio-based carbon aerogel flame-retardant composite phase change material, its preparation method, and its application. Method: Biomass is mixed with a ZnCl2-KCl eutectic salt and subjected to low-temperature molten salt carbonization. After washing and drying, a carbon aerogel is obtained. An organic phase change material is loaded onto the carbon aerogel to obtain a carbon aerogel composite phase change material, which is then mixed with a nitrogen-phosphorus flame retardant and a flame-retardant adhesive to form an inner flame-retardant layer. After a first curing treatment, a shaped composite phase change material is obtained. A mixture of the nitrogen-phosphorus flame retardant and the flame-retardant adhesive is coated onto the surface of the shaped composite phase change material, and after a second curing treatment, the bio-based carbon aerogel flame-retardant composite phase change material is obtained. This invention utilizes a low-temperature molten salt carbonization process to regulate the microscopic chemical structure of the carbon skeleton. By constructing a gas-solid synergistic chemical bonding flame-retardant system, it overcomes the defects of existing technologies while achieving UL-94 V-0 flame retardancy.

The application discloses a sound insulation fireproof composite heat preservation board in the technical field of building enclosure wall composite boards, which comprises a heat preservation board body, wherein the heat preservation board body comprises double-sided aluminum panels, a fireproof sound insulation interlayer, a core heat preservation layer, a bonding layer and a backboard layer; the double-sided aluminum panels are arranged on the outer side of the heat preservation board body; the backboard layer is arranged on the inner side of the heat preservation board body; the double-sided aluminum panels and the backboard layer are sequentially combined with the fireproof sound insulation interlayer and the core heat preservation layer through the bonding layer; and multistage damping sound insulation support units are arranged on the two sides in the fireproof sound insulation interlayer. The application solves the technical problems that the existing heat preservation boards are mostly single-layer simple superposition structures, the protection and durability are insufficient, there is no special fireproof sound insulation structure, flame-retardant collaborative design and airtight heat preservation structure, the noise reduction, fireproofing and heat preservation effects are poor, and the levels are loose and not tightly combined, and the sound insulation fireproof composite heat preservation board can meet the modern building requirements.

A multi-layer insulated panel product for use in residential and commercial construction, including, but not limited to, for use as structural sheathing. The multi-layer panel product has a base panel substrate, which may be a manufactured wood, gypsum, plastic, or some other similar material, with a fire-resistant insulating layer affixed to a face of the base panel substrate. The insulating layer may be pre-affixed to the base panel substrate in the factory or on a production line, prior to transport and installation at a job site. An insulating layer may be affixed to two base panel substrates, one on each side of the insulating layer.

The present invention provides a fire-resistant structure that can enhance fire resistance, and a method for installing such a fire-resistant structure. [Solution] A fire-resistant structure 1 according to one embodiment comprises a steel material 2, a plurality of wooden plate sections 3 arranged to surround the steel material 2, and a plurality of fire-resistant plate materials 6 fixed to the surfaces 3d of the plurality of wooden plate sections 3 facing the steel material 2. When viewed along the direction in which the steel material 2 extends, gaps K are formed between the plurality of fire-resistant plate materials 6.

This utility model discloses a fireproof hollow insulation board, comprising an insulation board, and relates to the technical field of insulation boards. This fireproof hollow insulation board, by installing water-resistant plates on the contact surfaces of the front and rear sides of the insulation board, allows the water-resistant plates to form water-resistant gaps between the insulation board and the wall, and between the insulation board and the external cement slurry, effectively maintaining the insulation performance and structural stability of the insulation board. Secondly, raised dots are provided on the surface of the front water-resistant plate, ensuring the integrity of the mortar and preventing its flow, thus avoiding significant mortar spillage onto the ground during the bonding process with the wall. Furthermore, an inner circular groove is provided inside the front water-resistant plate, and an opening smaller than the inner circular groove is provided on the front side, allowing the mortar to fill the interlayer between the inner circular groove and the opening. After the mortar solidifies, the above combination improves tensile strength and enhances overall robustness.

The application discloses a kind of overall arrangement methods of off-grid hydrogen production platform suitable for large-scale deep far sea wind power, and relates to the technical field of off-grid hydrogen production platform, the present application adopts reasonable vertical arrangement method, it is favorable to reduce platform load gravity center, reduce platform vertical irregularity, adopt reasonable plane arrangement scheme, it is favorable to the operation and maintenance of equipment device, and also reduce the adverse effect of gravity load eccentricity on platform structure, ensure the structural rationality and safety of deep far sea off-grid hydrogen production platform.

This invention discloses a prefabricated dormitory building structure with ultra-narrow flange box-shaped irregular columns, belonging to the field of dormitory structure technology. The structure includes steel box-shaped irregular columns, steel beams, walls, and concrete floor slabs. The steel box-shaped irregular column includes a first double web, a second web, a first flange, and a second flange; the first double web is arranged in parallel intervals, with one end vertically connected to the middle of the side of the second web, and the other end connected to the first flange; the second flange connects to both ends of the second web. This invention, through a T-shaped double web layout combined with an ultra-narrow flange design, allows the column to be completely hidden inside the wall, solving the problem of protruding columns in the room, significantly improving the space utilization and aesthetics of the dormitory, and providing structural stability, facilitating industrial prefabrication and rapid on-site assembly.

This invention provides fire-resistant devices that reduce construction man-hours, constructed fire-resistant structures, and methods for constructing fire-resistant structures. [Solution] The fire-resistant device 1 comprises a base portion 11 with a circumferential shape and a thermal expansion portion 12 made of a thermally expandable material, with a portion of it fixed to the base portion 11, wherein the thermal expansion portion 12 is one or more long strip-shaped bodies, or an assembly of multiple cylindrical bodies nested radially, and is arranged in a manner that allows for axial displacement in a direction perpendicular to the radial and circumferential directions while maintaining a connection state with the base portion 11.

The application discloses a fireproof embedded cable bridge connecting piece, a cable bridge device and a use method thereof, and belongs to the technical field of cable bridges. The fireproof embedded cable bridge connecting piece comprises a connecting shell embedded in a concrete floor slab, and further comprises: a positioning wing plate, which is arranged at least in two and symmetrically on the outer side of the connecting shell, and the surface of the positioning wing plate is provided with anti-rotation tooth patterns and an annular boss; a split connecting head, which is arranged in two and respectively at the upper and lower ends of the connecting shell; and a composite cushion layer, which is wrapped on the outer sidewall of the connecting shell. By adopting the "galvanized steel plate-ceramic silica gel" composite structure, integrating a three-stage sealing system and a honeycomb space truss reinforcing rib, the fireproof limit of more than 2 hours at 950 DEG C high temperature and the compression strength of 300kN are realized, and the industry problems of poor fire resistance, easy deformation and existence of "chimney effect" of the traditional bridge are solved.

To provide a wooden house exterior wall structure, wooden house exterior wall panels, and wooden houses that ensure fire resistance while allowing for a wide range of exterior wall structure options under a single Ministry of Land, Infrastructure, Transport and Tourism certification. [Solution] The exterior wall structure 1 of the wooden house of the present invention comprises at least an exterior protective material 50 made of inorganic non-combustible board, a wood-based load-bearing wall material 60 attached to the indoor side of the exterior protective material 50, and a structural frame material 70 attached to the indoor side of the load-bearing wall material 60, wherein the exterior protective material 50 is a fire-resistant coating certified by the Minister of Land, Infrastructure, Transport and Tourism. The exterior wall panel 1a of the wooden house of the present invention comprises the exterior wall structure 1. The wooden house A of the present invention comprises the exterior wall structure 1.

The application discloses a rainwater ditch blocking device and a use method thereof. The device is provided with a door-shaped support (4) and a door-shaped shutter (6), and the door-shaped support is provided with a first manual winch (11) and a second manual winch (12) on two sides. One end of a rope (7) is fixed on a winding drum (17) of the first manual winch, and the other end is fixed on a winding drum of the second manual winch. The rope is sequentially wound around a first fixed pulley (9), a movable pulley (8) and a second fixed pulley (10). The rope can be burnt by a flame generated when the combustible liquid accumulated in the rainwater ditch (3) is burnt, so that the door-shaped shutter automatically falls by gravity until the bottom of the door-shaped shutter is in contact with the bottom of the rainwater ditch, and the rainwater ditch at the position where a cofferdam (2) crosses the rainwater ditch is blocked. The application discloses the use method of the rainwater ditch blocking device. The application is suitable for the combustible liquid atmospheric storage tank area of a petrochemical enterprise.

The utility model discloses a kind of shock isolation support with fireproof protection mechanism belong to shock isolation support technical field, the shock isolation support includes lower support plate, fixedly installed in the rubber support of lower support plate top, fixedly installed in the upper support plate of rubber support top, the corrugated protective cover of sleeve setting in rubber support side surface, fixedly installed in the ring of corrugated protective cover top and bottom and fixedly installed in the connecting ring of lower support plate top and upper support plate bottom, slot is opened in connecting ring, ring is inserted in the inside of slot, the side surface of connecting ring is equipped with the clamping groove;Through the cooperation of above each device, the corrugated protective cover can be fixed sleeve in the side surface of rubber support, to isolate high temperature heat source for rubber support, reduce the possibility that rubber support appears burning or damage due to high temperature, simultaneously, the corrugated protective cover can be self-adapting deformation of rubber support under its own characteristics, so that the shock isolation support can keep good shock isolation performance.

This invention provides a fire-resistant structure and a construction method thereof that can enhance the fire resistance performance of floor slabs. [Solution] The fire-resistant structure comprises a cement composition layer 12, a fire-resistant coating layer 13 provided below the cement composition layer 12, and a locking mechanism 30 embedded in the cement composition layer 12 and the fire-resistant coating layer 13 to lock the fire-resistant coating layer 13 to the cement composition layer 12. The locking mechanism 30 comprises a mesh material 31 as a locking material and a locking material support 32 that engages with the cement composition layer 12 to support the mesh material 31. The embedded material 33 constituting the locking material support 32 is installed before or after the cement composition is poured and engages with the cement composition layer 12.

The utility model belongs to the wood structure building fire prevention technical field relates to a kind of fireproof construction system of wood structure building structure frame, it includes the wooden crossbeam (1) of structure frame, the top surface of wooden crossbeam (1) is provided with the recess (2) of length and is equipped with water delivery pipeline (3) in the recess (2) of length, multiple spray heads (4) are equipped on water delivery pipeline (3) and are spaced, the front and back side and the bottom surface of wooden crossbeam (1) are equipped with multiple drainage recesses (5) corresponding with multiple spray heads (4) one to one, the junction of the top surface and the front and back side of wooden crossbeam (1) is equipped with first inclined plane (6) and the junction of the bottom surface and the front and back side of wooden crossbeam (1) is equipped with second inclined plane (7), the outer surface of wooden crossbeam (1) is all equipped with flow guide structure (8).It can use very small water volume to extend the fire resistance limit of wood structure load-bearing component, to improve the safety of heavy wood frame structure building with low-cost strategy.

To provide a wood-based structural material that can continuously maintain its fire-stopping effect even after the burnt layer has been destroyed by fire. [Solution] The wooden structural material 10 comprises a core material (wooden core 12) of a column made of wood material, a fire-stopping layer 14A arranged on the outer circumference of the core material, and a burn-through layer 14B made of wood material arranged on the outer circumference of the fire-stopping layer 14A. The fire-stopping layer 14A comprises a water-retaining body 20 arranged on the side of the core material that retains moisture, and a non-combustible material 18 arranged at the corner of the core material.

To improve workability when a timber to be a burning marginal layer is fixed.SOLUTION: A fireproof structure of a building has a building structure 10 and a burning marginal material 5 forming a burning marginal layer. The burning marginal material 5 includes at least an L-shaped burning marginal material 51 that has L shape in plan view and covers a projected corner part of the building structure 10. A counterbore part 11 can be formed of a cutout part 50 of one burning marginal material 5 and a cutout part 50 of the other burning marginal material 5 adjacent to the one burning marginal material 5 by providing the cutout part 50 on ends of the burning marginal material 5. A fixing material 6 for fixing the burning marginal material 5 to the building structure 10 can be provided from the cutout part 50 toward a core material (a stile material A, an auxiliary bar member B, a column material, a beam material, an adjustment material 3 and others) constituting the building structure 10.SELECTED DRAWING: Figure 4

This utility model discloses a wind-resistant video support column for a coastal station, relating to the field of equipment support technology. It includes a column base with a mounting hole at the top. A detachable column is inserted into the mounting hole. The column base has a ring of multiple limiting holes, each with a threaded limiting pin. Multiple fixing holes are located at the bottom edge of the column base, with fixing bolts passing through them. This utility model is made of high-performance epoxy flame-retardant resin and is suitable for use in island stations with extremely high requirements for acid and alkali resistance, high heat and humidity resistance, and wind resistance. Furthermore, this utility model uses limiting pins to limit the position of the column base and the column, and uses limiting cylinders for further limiting, thus ensuring good connection stability between the column base and the column and effectively improving the practicality of the device.