CN112049234B - Fireproof steel structure for building based on self-temperature-adjusting technology - Google Patents
Fireproof steel structure for building based on self-temperature-adjusting technology Download PDFInfo
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- CN112049234B CN112049234B CN202010869228.XA CN202010869228A CN112049234B CN 112049234 B CN112049234 B CN 112049234B CN 202010869228 A CN202010869228 A CN 202010869228A CN 112049234 B CN112049234 B CN 112049234B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B2001/949—Construction elements filled with liquid, e.g. water, either permanently or only in case of fire
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Abstract
The invention discloses a building fireproof steel structure based on a self-temperature-adjusting technology, which comprises an inner structure plate and an outer structure plate, wherein one side end of the inner structure plate is fixedly connected with the outer structure plate; the outer cooling assembly comprises a water mist spraying cavity, an isolation cavity and a water-proof cavity, the isolation cavity and the water-proof cavity are embedded in the outer structural plate, the isolation cavity is communicated with the water-proof cavity through a communication hole, and a plurality of water mist generators are arranged in the inner cavity of the water-proof cavity; according to the outer cooling assembly, a large amount of water mist is sprayed out through the water mist nozzle and is diffused in the water mist spraying cavity, so that external fire disasters can be isolated through the water mist, meanwhile, the water mist is evaporated at high temperature, a large amount of heat can be taken away during water mist evaporation, the heat on the outer structural plate can be taken away, the temperature of flame can be directly reduced, and the influence of the fire disasters on the outer structural plate and the inner structural plate is further reduced.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a fireproof steel structure for a building based on a self-temperature-adjusting technology.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer. The steel structure is easy to rust, and generally the steel structure needs to be derusted, galvanized or painted, and needs to be maintained regularly.
Although the steel structure is widely applied to the building industry, especially high-rise buildings, the steel structure has the defect of poor heat insulation effect, so that the steel structure has poor performance in isolating high temperature of fire. Therefore, the invention provides the building fireproof steel structure based on the self-temperature-adjusting technology, which can effectively cool the steel structure by self and is beneficial to expanding the popularization and the application of the steel structure.
Disclosure of Invention
The invention aims to provide a building fireproof steel structure based on a self-temperature-adjusting technology, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a fireproof steel structure for buildings based on a self-temperature-adjusting technology comprises an inner structural plate and an outer structural plate, wherein one side end of the inner structural plate is fixedly connected with the outer structural plate, an inner temperature-reducing assembly is arranged in the inner structural plate, an outer temperature-reducing assembly is arranged in the outer structural plate, and the inner structural plate is matched with the outer structural plate to block external fire together, so that the transmission speed of the high temperature of the fire can be effectively reduced; meanwhile, the temperature on the outer structural plate is reduced through the outer cooling assembly, the temperature on the inner structural plate is reduced through the inner cooling assembly, and the influence of the external fire temperature on the whole device can be further reduced; and the mutual independent design of outer cooling subassembly and interior cooling subassembly can reduce the possibility that outside conflagration damaged outer cooling subassembly and interior cooling subassembly simultaneously by a wide margin, and the infiltration of prevention outside conflagration to whole device that can furthest can effectual prevention high temperature influences whole device.
The outer cooling assembly comprises a water mist spraying cavity, an isolation cavity and a water-proof cavity, wherein the isolation cavity and the water-proof cavity are embedded in an outer structural plate, the isolation cavity is arranged on the right side of the water-proof cavity, the isolation cavity is communicated with the water-proof cavity through a communication hole, a plurality of water mist generators are arranged in an inner cavity of the water-proof cavity, water is stored in the water-proof cavity, the water mist spraying cavity is embedded in one end, away from the inner structural plate, of the outer structural plate, a plurality of water mist nozzles matched with the isolation cavity are uniformly embedded in the wall of the inner cavity of the water mist spraying cavity, a stepped sealing cavity is arranged at the opening end of the water mist spraying cavity, a sealing cover matched with the water mist spraying cavity is arranged in the stepped sealing cavity, the sealing cover is fixedly connected to the wall of the inner cavity of the water mist spraying cavity through a plurality of first pre-tightening cords, the first pre-tightening cords are made of nylon materials, and first connecting springs are arranged outside the first pre-tightening cords, the two ends of the first connecting spring are respectively fixedly connected with the sealing cover and the inner cavity wall of the water mist spraying cavity, one side of the inner cavity wall of the water mist spraying cavity is provided with a thermosensitive switch, the thermosensitive switch is electrically connected with all water mist generators, when a fire disaster spreads to the outer structure plate, the first pre-tightening cord is fused at high temperature, so that the sealing cover is pushed out of the water mist spraying cavity under the action of the first connecting spring and is hung on the outer side of the water mist spraying cavity, the water mist spraying cavity and the thermosensitive switch are exposed, the water mist generator is turned on by the thermosensitive switch, the water mist generator generates a large amount of water mist in the water-proof cavity, the water mist is injected into the isolation cavity through the communication hole and is sprayed out through the water mist nozzle, the large amount of water mist is diffused in the water mist spraying cavity, the external fire disaster can be isolated by the water mist, meanwhile, the large amount of water mist is evaporated at high temperature, and a large amount of heat can be taken away when the water mist is evaporated, not only can take away the heat on the outer structural slab, but also can directly reduce the temperature of flame, and further reduce the influence of fire on the outer structural slab and the inner structural slab.
In a further embodiment, the internal cooling component comprises a water storage cavity, a transit water cavity and a heat exchange tube component, the water storage cavity and the transit water cavity are respectively embedded in the upper end and the lower end of the inner structural plate, and the heat exchange tube component is also embedded in the inner structural plate and arranged on the right side of the water storage cavity and the transit water cavity; the water inlet end of the heat exchange tube assembly is communicated with the water storage cavity, the water outlet end of the heat exchange tube assembly is communicated with the transit water cavity, the transit water cavity is communicated with the water insulation cavity through the communicating tube, water in the water storage cavity flows into the transit water cavity through the heat exchange tube assembly and is injected into the water insulation cavity through the communicating tube, and water can be supplied to the water insulation cavity, so that the continuous long-term work of the outer cooling assembly is ensured, and the heat insulation, cooling and lowering of the outer structural plate are ensured; meanwhile, water exchanges heat with the inner mechanism plate through the heat exchange pipe assembly, so that the inner structure plate can be effectively cooled, the outer cooling assembly is assisted, the heat insulation and cooling effects of the whole device can be greatly improved, and the fire hazard can be effectively isolated;
the top of one end, far away from the outer structural plate, of the inner structural plate is provided with a water injection cavity, the water injection cavity corresponds to the water storage cavity in the horizontal direction, the water injection cavity is communicated with the water storage cavity through a water injection pipe, a one-way valve is mounted on the water injection pipe, the one-way valve is arranged in the water storage cavity, and water can be directly supplemented into the water storage cavity through the water injection pipe, so that the working continuity of the inner cooling assembly is ensured, and the long-time cooling use requirement of the inner structural plate can be maintained;
the open end cover in water injection chamber is equipped with the shield, be equipped with the catching groove on the shield, through the sealed water injection chamber of shield, and then sealed save water injection pipe, can effectually place the water injection pipe and be blockked up or destroy, can the effectual life who guarantees the water injection pipe.
In a further embodiment, the heat exchange tube assembly comprises a first heat exchange tube and a second heat exchange tube, the first heat exchange tube and the second heat exchange tube are designed in a serpentine tube structure, water inlet ends of the first heat exchange tube and the second heat exchange tube are respectively communicated with the water storage cavity, water outlet ends of the first heat exchange tube and the second heat exchange tube are respectively communicated with the water transfer cavity, the first heat exchange tube and the second heat exchange tube are arranged in a staggered manner, a first micro water pump is mounted on the first heat exchange tube, a second micro water pump is mounted on the second heat exchange tube, the first micro water pump and the second micro water pump are respectively electrically connected with a thermal switch, water in the water storage cavity respectively flows into the water transfer cavity through the first heat exchange tube and the second heat exchange tube and respectively exchanges heat with the inner structure plate through the first heat exchange tube and the second heat exchange tube, the temperature of the inner structural plate can be effectively reduced, and the external fire temperature isolated by the inner structural plate can be greatly improved; and through setting up first miniature water pump and second miniature water pump, the unblocked of the interior rivers flow of first heat exchange pipe and second heat exchange pipe can effectual assurance to guarantee the cooling quality to the inner structural slab.
In a further embodiment, the sealing cover comprises a cover plate matched with the stepped sealing cavity, a sealing boss matched with the water mist spraying cavity is fixedly connected to the cover plate, the cover plate and the sealing boss are integrally formed, a plurality of pre-tightening springs matched with the stepped sealing cavity are uniformly arranged at the edge of one end, close to the sealing boss, of the cover plate, the sealing boss is fixedly connected with the first connecting spring and the first pre-tightening rope respectively, and the sealing effect of the sealing cover on the water mist spraying cavity can be improved through the mutual matching of the cover plate and the sealing boss, so that the service life of the water mist nozzle is ensured;
the cover plate is provided with a spraying window, a spraying cavity is arranged in the sealing boss, the spraying cavity is communicated with the spraying window, the side end of the spraying cavity is communicated with a side through hole, a plurality of louver boards are uniformly arranged in the inner cavity of the spraying window, the louver boards are rotatably connected to the spraying window through rotating pins, one ends, close to the spraying cavity, of the louver boards are fixedly connected with a second pre-tightening cord and a second connecting spring respectively from top to bottom, one ends, far away from the louver boards, of the second pre-tightening cord and the second connecting spring are fixedly connected to the inner cavity wall of the spraying cavity respectively, the second pre-tightening cord is made of a nylon material, when the louver boards receive fire influence, high temperature is generated, the second pre-tightening cord is fused, the louver boards are enabled to rotate laterally under the action of the second connecting spring, the spraying window can be opened, and the water spraying cavity is communicated with the outside through the mutual matching of the side through hole, the spraying cavity and the spraying window, the water mist from the water mist nozzle can be rapidly sprayed out in a large quantity, the cooling effect of the water mist on the sealing cover and the outer structural plate can be further improved, and the damage of a fire disaster on the sealing cover and the outer structural plate can be reduced to the maximum extent.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the inner structural plate is matched with the outer structural plate to block external fire together, so that the transmission speed of high temperature of the fire can be effectively reduced; meanwhile, the temperature on the outer structural plate is reduced through the outer cooling assembly, the temperature on the inner structural plate is reduced through the inner cooling assembly, and the influence of the external fire temperature on the whole device can be further reduced; the outer cooling component and the inner cooling component are designed independently, so that the possibility that an external fire disaster damages the outer cooling component and the inner cooling component at the same time can be greatly reduced, the penetration of the external fire disaster to the whole device can be prevented to the maximum extent, and the influence of high temperature on the whole device can be effectively prevented;
2. according to the outer cooling assembly, a large amount of water mist is sprayed out through the water mist nozzle and is diffused in the water mist spraying cavity, so that external fire can be isolated by the water mist, meanwhile, the water mist is evaporated at high temperature, a large amount of heat can be taken away during evaporation of the water mist, the heat on the outer structural plate can be taken away, the temperature of flame can be directly reduced, and the influence of the fire on the outer structural plate and the inner structural plate is further reduced;
3. according to the invention, water in the water storage cavity in the inner cooling assembly flows into the transfer water cavity through the first heat exchange tube and the second heat exchange tube respectively, and exchanges heat with the inner structure plate through the first heat exchange tube and the second heat exchange tube respectively, so that the temperature of the inner structure plate can be effectively reduced, and the external fire temperature isolated by the inner structure plate can be greatly improved;
4. according to the invention, the second pre-tightening cord is fused at high temperature, so that the louver board rotates laterally under the action of the second connecting spring, the spraying window can be opened, the water mist spraying cavity is communicated with the outside through the mutual matching of the lateral through hole, the spraying cavity and the spraying window, a large amount of water mist from the water mist nozzle is rapidly sprayed out, the cooling effect of the water mist on the sealing cover and the outer structure board can be further improved, and the damage of a fire disaster on the sealing cover and the outer structure board can be reduced to the maximum extent.
Drawings
FIG. 1 is a schematic structural diagram of a side cross-sectional view of a fireproof steel structure for buildings based on a self-temperature-adjusting technology;
FIG. 2 is a schematic structural diagram of a partial enlarged view A of a fireproof steel structure for buildings based on a self-temperature-adjusting technology;
FIG. 3 is a schematic structural diagram of a heat exchange pipe assembly of a fireproof steel structure for buildings based on a self-temperature-adjusting technology;
FIG. 4 is a schematic perspective view of a sealing cover of a fireproof steel structure for construction based on a self-temperature-adjusting technology;
fig. 5 is a cross-sectional structure diagram of a sealing cover of a fireproof steel structure for a building based on a self-temperature-adjusting technology.
In the figure: 1-inner structural plate, 2-outer structural plate, 3-outer cooling component, 31-water spray cavity, 32-stepped seal cavity, 33-seal cover, 331-cover plate, 332-seal boss, 333-pretension spring, 334-spray cavity, 335-side through hole, 336-spray window, 337-louver, 338-rotating pin, 339-second pretension cord, 330-second connection spring, 34-first connection spring, 35-first pretension cord, 36-water spray nozzle, 37-isolation cavity, 38-water isolation cavity, 39-communication hole, 30-water spray generator, 4-inner cooling component, 41-water storage cavity, 42-heat exchange tube component, 421-first heat exchange tube, 422-second heat exchange tube, 423-first micro water pump, 424-second micro water pump, 43-transfer water cavity, 44-water injection cavity, 45-water injection pipe, 46-one-way valve, 47-dust cap, 48-catching groove, 5-communicating pipe, 6-thermal switch.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, a building fireproof steel structure based on a self-temperature-adjusting technology comprises an inner structural plate 1 and an outer structural plate 2, wherein one side end of the inner structural plate 1 is fixedly connected with the outer structural plate 2, an inner cooling assembly 4 is arranged in the inner structural plate 1, an outer cooling assembly 3 is arranged in the outer structural plate 2, and the inner structural plate 1 and the outer structural plate 2 are matched to block an external fire together, so that the transmission speed of the high temperature of the fire can be effectively reduced; meanwhile, the temperature on the outer structural plate 2 is reduced through the outer cooling component 3, the temperature on the inner structural plate 1 is reduced through the inner cooling component 4, and the influence of the external fire temperature on the whole device can be further reduced; and the mutual independent design of outer cooling subassembly 3 and interior cooling subassembly 4 can reduce the possibility that outside conflagration damaged outer cooling subassembly 3 and interior cooling subassembly 4 simultaneously by a wide margin, can furthest's prevention outside conflagration to the infiltration of whole device, can effectual prevention high temperature to whole device influence.
The outer cooling component 3 comprises a water mist spraying cavity 31, an isolation cavity 37 and a water-stop cavity 38, wherein the isolation cavity 37 and the water-stop cavity 38 are embedded in the outer structural plate 2, the isolation cavity 37 is arranged on the right side of the water-stop cavity 38, the isolation cavity 37 is communicated with the water-stop cavity 38 through a communication hole 39, a plurality of water mist generators 30 are installed in the inner cavity of the water-stop cavity 38, water is stored in the water-stop cavity 38, the water mist spraying cavity 31 is embedded in one end, far away from the inner structural plate 1, of the outer structural plate 2, a plurality of water mist nozzles 36 matched with the isolation cavity 37 are uniformly embedded in the inner cavity wall of the water mist spraying cavity 31, a stepped sealing cavity 32 is arranged at the opening end of the water mist spraying cavity 31, a sealing cover 33 matched with the water mist spraying cavity 31 is installed in the stepped sealing cavity 32, the sealing cover 33 is fixedly connected to the inner cavity wall of the water mist spraying cavity 31 through a plurality of first pre-tightening ropes 35, and the first pre-tightening ropes 35 are made of nylon material, a first connecting spring 34 is sleeved on the outer side of the first pre-tightening wire rope 35, two ends of the first connecting spring 34 are respectively and fixedly connected with a sealing cover 33 and the inner cavity wall of the water mist spraying cavity 31, a thermal switch 6 is installed on one side of the inner cavity wall of the water mist spraying cavity 31, the thermal switch 6 is electrically connected with all the water mist generators 30, when a fire disaster spreads to the outer structure plate 2, the first pre-tightening wire rope 35 is fused at high temperature, so that the sealing cover 33 pushes out the water mist spraying cavity 31 under the action of the first connecting spring 34, the sealing cover 33 is suspended on the outer side of the water mist spraying cavity 31, the water mist spraying cavity 31 and the thermal switch 6 are exposed, the water mist generator 30 is opened by using the thermal switch 6, a large amount of water mist is generated in the water blocking cavity 38 by the water mist generator 30, the water mist is injected into the isolating cavity 37 through the communicating hole 39 and is sprayed out through the water mist nozzle 36, and a large amount of water mist overflows in the water mist spraying cavity 31, can utilize water smoke to keep apart external conflagration, a large amount of water smoke is evaporated by high temperature simultaneously, can take away a large amount of heats during water smoke evaporation, not only can take away the heat on the outer structural slab 2, and can directly reduce the temperature of flame, further reduces the influence of conflagration to outer structural slab 2 and inner structural slab 1.
The inner cooling component 4 comprises a water storage cavity 41, a transit water cavity 43 and a heat exchange tube component 42, the water storage cavity 41 and the transit water cavity 43 are respectively embedded at the upper end and the lower end of the inner structural plate 1, and the heat exchange tube component 42 is also embedded in the inner structural plate 1 and arranged at the right side of the water storage cavity 41 and the transit water cavity 43; the water inlet end of the heat exchange tube assembly 42 is communicated with the water storage cavity 41, the water outlet end of the heat exchange tube assembly 42 is communicated with the transit water cavity 43, the transit water cavity 43 is communicated with the water insulation cavity 38 through the communicating tube 5, water in the water storage cavity 41 flows into the transit water cavity 43 through the heat exchange tube assembly 42 and is injected into the water insulation cavity 38 through the communicating tube 5, and then water can be replenished to the water insulation cavity 38, so that the continuous long-term work of the outer cooling assembly 3 is ensured, and the heat insulation, cooling and descending of the outer structural plate 2 are ensured; meanwhile, water exchanges heat with the inner structural plate 1 through the heat exchange tube assembly 42, the inner structural plate 1 can be effectively cooled, the outer cooling assembly 3 is assisted, the heat insulation and cooling effects of the whole device can be greatly improved, and fire hazards can be effectively isolated;
the top of one end, far away from the outer structural plate 2, of the inner structural plate 1 is provided with a water injection cavity 44, the water injection cavity 44 corresponds to the water storage cavity 41 in the horizontal direction, the water injection cavity 44 is in through connection with the water storage cavity 41 through a water injection pipe 45, the water injection pipe 45 is provided with a one-way valve 46, the one-way valve 46 is arranged in the water storage cavity 41, and a water source can be directly supplemented into the water storage cavity 41 through the water injection pipe 45, so that the working continuity of the inner cooling assembly 4 is ensured, and the long-time cooling use requirement of the inner structural plate 1 can be maintained;
the open end cover of water injection chamber 44 is equipped with shield 47, be equipped with catching groove 48 on the shield 47, through the sealed water injection chamber 44 of shield 47, and then sealed save water injection pipe 45, can effectually place water injection pipe 45 and be blockked up or destroy, can effectual assurance water injection pipe 45's life.
Example 2
Referring to fig. 3, the difference from example 1 is: the heat exchange tube assembly 42 comprises a first heat exchange tube 421 and a second heat exchange tube 422, the first heat exchange tube 421 and the second heat exchange tube 422 are designed in a serpentine tube structure, the water inlet ends of the first heat exchange tube 421 and the second heat exchange tube 422 are respectively communicated with the water storage cavity 41, the water outlet ends of the first heat exchange tube 421 and the second heat exchange tube 422 are respectively communicated with the transfer water cavity 43, the first heat exchange tube 421 and the second heat exchange tube 422 are arranged in a mutually staggered manner, the first heat exchange tube 421 is provided with a first micro water pump 423, the second heat exchange tube 422 is provided with a second micro water pump 424, the first micro water pump 423 and the second micro water pump 424 are respectively electrically connected with the thermal switch 6, water in the water storage cavity 41 flows into the transfer water cavity 43 through the first heat exchange tube 421 and the second heat exchange tube 422, and exchanges heat with the inner structural plate 1 through the first heat exchange tube 421 and the second heat exchange tube 422, the temperature of the inner structural plate 1 can be effectively reduced, and the external fire temperature isolated by the inner structural plate 1 can be greatly improved; and through setting up first miniature water pump 423 and second miniature water pump 424, can effectually guarantee the unblocked of the interior water flow of first heat exchange pipe 421 and second heat exchange pipe 422 to guarantee the cooling quality to inner structure board 1.
Example 3
Referring to fig. 4-5, the difference from example 1 is: the sealing cover 33 comprises a cover plate 331 matched with the stepped sealing cavity 32, a sealing boss 332 matched with the water mist spraying cavity 31 is fixedly connected to the cover plate 331, the cover plate 331 and the sealing boss 332 are integrally formed, a plurality of pre-tightening springs 333 matched with the stepped sealing cavity 32 are uniformly arranged at the edge of one end, close to the sealing boss 332, of the cover plate 331, the sealing boss 332 is fixedly connected with the first connecting spring 34 and the first pre-tightening rope 35 respectively, and the sealing effect of the sealing cover 33 on the water mist spraying cavity 31 can be improved through the mutual matching of the cover plate 331 and the sealing boss 332, so that the service life of the water mist nozzle 36 is ensured;
the cover plate 331 is provided with a spray window 336, the sealing boss 332 is internally provided with a spray cavity 334, the spray cavity 334 is communicated with the spray window 336, the side end of the spray cavity 334 is communicated with a side through hole 335, the inner cavity of the spray window 336 is uniformly provided with a plurality of louvers 337, the louvers 337 are rotatably connected to the spray window 336 through a rotating pin 338, one ends of the louvers 337 close to the spray cavity 334 are respectively and fixedly connected with a second pre-tightening cord 339 and a second connecting spring 330, one ends of the second pre-tightening cord 339 and the second connecting spring 330 far away from the louvers 337 are respectively and fixedly connected to the inner cavity wall of the spray cavity 334, the second pre-tightening cord 339 is made of a nylon material, when the louvers 337 are affected by fire, the second pre-tightening cord 339 is fused at high temperature, so that the louvers 337 rotate under the action of the second connecting spring 330, and the spray window 336 can be opened, the water mist spraying cavity 31 is communicated with the outside through the mutual matching of the side through hole 335, the spraying cavity 334 and the spraying window 336, so that the water mist from the water mist nozzle 36 can be sprayed out quickly and massively, the cooling effect of the water mist on the sealing cover 33 and the outer structural plate 2 can be further improved, and the damage of a fire disaster on the sealing cover 33 and the outer structural plate 2 can be reduced to the maximum extent.
The working principle of the embodiment 1-3 is that when a fire disaster spreads to the outer structural plate 2, the first pre-tightening wire rope 35 is fused at high temperature, so that the sealing cover 33 is pushed out of the water mist spraying cavity 31 under the action of the first connecting spring 34, the sealing cover 33 is suspended outside the water mist spraying cavity 31, the water mist spraying cavity 31 and the thermal switch 6 are exposed, and meanwhile, the second pre-tightening wire rope 339 is fused at high temperature, so that the louver 337 rotates laterally under the action of the second connecting spring 330, and the spraying window 336 can be opened; the thermal switch 6 is influenced by the high temperature of the fire to open the water mist generator 30, the first miniature water pump 423 and the second miniature water pump 424, the water mist generator 30 generates a large amount of water mist in the water-resisting cavity 38, the water mist is injected into the isolating cavity 37 through the communicating hole 39 and is sprayed out through the water mist nozzle 36, the large amount of water mist is diffused in the water mist spraying cavity 31, the external fire can be isolated by the water mist, meanwhile, the large amount of water mist is evaporated at high temperature, and a large amount of heat can be taken away when the water mist is evaporated; meanwhile, the first micro water pump 423 and the second micro water pump 424 work, so that water in the water storage cavity 41 flows into the water transfer cavity 43 through the first heat exchange tube 421 and the second heat exchange tube 422 respectively, and exchanges heat with the inner structural plate 1 through the first heat exchange tube 421 and the second heat exchange tube 422 respectively, the temperature of the inner structural plate 1 can be effectively reduced, and the external fire temperature isolated by the inner structural plate 1 can be greatly increased; meanwhile, water in the transfer water chamber 43 is injected into the water-separating chamber 38 through the communicating pipe 5, and continuously supplies water for the outer cooling assembly 3.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A fireproof steel structure for buildings based on a self-temperature-adjusting technology comprises an inner structural plate (1) and an outer structural plate (2), and is characterized in that one side end of the inner structural plate (1) is fixedly connected with the outer structural plate (2), an inner temperature-reducing component (4) is arranged in the inner structural plate (1), and an outer temperature-reducing component (3) is arranged in the outer structural plate (2);
the outer cooling assembly (3) comprises a water mist spraying cavity (31), an isolating cavity (37) and a water isolating cavity (38), wherein the isolating cavity (37) and the water isolating cavity (38) are embedded in the outer structure plate (2), the isolating cavity (37) is arranged on the right side of the water isolating cavity (38), the isolating cavity (37) is connected with the water isolating cavity (38) in a penetrating manner through a communicating hole (39), a plurality of water mist generators (30) are installed in an inner cavity of the water isolating cavity (38), water is stored in the water isolating cavity (38), the water mist spraying cavity (31) is embedded in one end, far away from the inner structure plate (1), of the outer structure plate (2), a plurality of water mist nozzles (36) matched with the isolating cavity (37) are uniformly embedded in the inner cavity wall of the water mist spraying cavity (31), a stepped sealing cavity (32) is arranged at the opening end of the water mist spraying cavity (31), and a sealing cover (33) matched with the water mist spraying cavity (31) is installed in the stepped sealing cavity (32), sealed lid (33) are spouted the inner chamber wall in chamber (31) through a plurality of first pretension cotton rope (35) fixed connection, and first pretension cotton rope (35) select for use the nylon material preparation to form, and the outside cover of first pretension cotton rope (35) is equipped with first connecting spring (34), the both ends of first connecting spring (34) are fixed connection respectively on sealed lid (33) and the inner chamber wall that chamber (31) were spouted to water smoke, temperature sensitive switch (6) are installed to the inner chamber wall one side that chamber (31) were spouted to water smoke, all water smoke generator (30) of temperature sensitive switch (6) electric connection.
2. The fireproof steel structure for buildings based on the self-temperature-adjusting technology as claimed in claim 1, wherein the internal cooling component (4) comprises a water storage cavity (41), a transit water cavity (43) and a heat exchange tube component (42), the water storage cavity (41) and the transit water cavity (43) are respectively embedded in the upper end and the lower end of the internal structural plate (1), and the heat exchange tube component (42) is also embedded in the internal structural plate (1) and arranged on the right side of the water storage cavity (41) and the transit water cavity (43); the water inlet end of the heat exchange tube assembly (42) is communicated with the water storage cavity (41), the water outlet end of the heat exchange tube assembly (42) is communicated with the water transfer cavity (43), and the water transfer cavity (43) is communicated with the water insulation cavity (38) through the communicating tube (5);
the top of one end, far away from the outer structural plate (2), of the inner structural plate (1) is provided with a water injection cavity (44), the water injection cavity (44) corresponds to the water storage cavity (41) in the horizontal direction, the water injection cavity (44) is communicated with the water storage cavity (41) through a water injection pipe (45), the water injection pipe (45) is provided with a one-way valve (46), and the one-way valve (46) is arranged in the water storage cavity (41); the open end cover of water injection chamber (44) is equipped with shield (47), be equipped with catching groove (48) on shield (47).
3. The constructional fireproof steel structure based on the self-temperature regulation technology as claimed in claim 2, wherein the heat exchange tube assembly (42) comprises a first heat exchange tube (421) and a second heat exchange tube (422), the water inlet ends of the first heat exchange tube (421) and the second heat exchange tube (422) are respectively connected with the water storage cavity (41) in a penetrating manner, the water outlet ends of the first heat exchange tube (421) and the second heat exchange tube (422) are respectively connected with the water transfer cavity (43) in a penetrating manner, the first heat exchange tube (421) is provided with a first miniature water pump (423), the second heat exchange tube (422) is provided with a second miniature water pump (424), and the first miniature water pump (423) and the second miniature water pump (424) are respectively electrically connected with the thermal switch (6).
4. The constructional fireproofing steel structure based on the self-temperature-adjusting technology as claimed in claim 3, wherein the first heat exchange tube (421) and the second heat exchange tube (422) are both designed in a serpentine tube structure.
5. The constructional fireproofing steel structure based on the self-temperature-adjusting technology as claimed in claim 4, wherein the first heat exchange tubes (421) and the second heat exchange tubes (422) are arranged in a staggered manner.
6. The constructional fire-proof steel structure based on the self-temperature-regulation technology as claimed in any one of claims 1 to 5, wherein the sealing cover (33) comprises a cover plate (331) matched with the stepped sealing cavity (32), a sealing boss (332) matched with the water mist spraying cavity (31) is fixedly connected to the cover plate (331), a plurality of pre-tightening springs (333) matched with the stepped sealing cavity (32) are uniformly arranged at one end edge of the cover plate (331) close to the sealing boss (332), and the sealing boss (332) is respectively and fixedly connected with the first connecting spring (34) and the first pre-tightening wire rope (35).
7. The fireproof steel structure for buildings based on the self-temperature-adjusting technology as claimed in claim 6, wherein the cover plate (331) and the sealing boss (332) are integrally formed.
8. The fireproof steel structure for building based on self-temperature-adjusting technology as claimed in claim 6, it is characterized in that the cover plate (331) is provided with a spray window (336), the sealing boss (332) is internally provided with a spray cavity (334), the spraying cavity (334) is communicated with the spraying window (336), the side end of the spraying cavity (334) is communicated with the side through hole (335), a plurality of louver boards (337) are uniformly arranged in the inner cavity of the spraying window (336), the louver boards (337) are rotatably connected to the spraying window (336) through rotating pins (338), one ends of the louver boards (337) close to the spraying cavity (334) are fixedly connected with a second pre-tightening cord (339) and a second connecting spring (330) from top to bottom respectively, one ends of the second pre-tightening cord (339) and the second connecting spring (330) far away from the louver boards (337) are fixedly connected to the inner cavity wall of the spraying cavity (334) respectively.
9. The constructional fireproofing steel structure based on the self-temperature-adjusting technology as claimed in claim 8, wherein the second pre-tightening cord (339) is made of nylon material.
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| CN112049234A (en) | 2020-12-08 |
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