CN113445653A - Decoration furred ceiling with fire control function of putting out a fire - Google Patents
Decoration furred ceiling with fire control function of putting out a fire Download PDFInfo
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- CN113445653A CN113445653A CN202110584856.8A CN202110584856A CN113445653A CN 113445653 A CN113445653 A CN 113445653A CN 202110584856 A CN202110584856 A CN 202110584856A CN 113445653 A CN113445653 A CN 113445653A
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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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/06—Containers destroyed or opened by falling
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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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
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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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/18—Means for suspending the supporting construction
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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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
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Abstract
The invention discloses a decorative suspended ceiling with fire-fighting and extinguishing functions, which comprises a keel frame capable of being connected to a ceiling and a suspended ceiling plate inserted at the bottom of the keel frame; the ceiling board is characterized in that a gland plate is arranged above the ceiling board, the end part of the gland plate is connected to the keel frame, an elastic air bag is arranged between the ceiling board and the gland plate, and a fire extinguishing agent and an expanding agent are filled in the elastic air bag. When a fire disaster occurs indoors, the ceiling board is heated to increase the volume of the expanding agent in the elastic air bag, the ceiling board is extruded to expand downwards, the elastic air bag falls and breaks, the extinguishing agent in the elastic air bag is dispersed, and a fire source is extinguished; and the dense smoke generated by combustion can enter the upper part of the keel frame from the opened mounting port, so that the spread of the indoor dense smoke is delayed, and the evacuation safety of indoor personnel is improved.
Description
Technical Field
The invention relates to the field of indoor ceiling structures, in particular to a decorative ceiling with a fire-fighting and extinguishing function.
Background
The suspended ceiling is a top decoration structure of a building indoor space and is one of important parts of indoor decoration, and simply speaking, the suspended ceiling refers to decoration of the ceiling, has the functions of decoration, heat insulation and sound insulation, and is also a hidden layer of projects such as electric engineering, ventilation air conditioning engineering, communication engineering, fire prevention engineering, alarm pipeline equipment engineering and the like. However, the common suspended ceiling structure does not have the function of fire prevention, and if a fire disaster happens indoors, serious property loss can be caused, and even the life safety of residents is endangered.
The suspended ceiling is an important part for modern indoor decoration and is another main part except walls and the ground which is enclosed into an indoor space. Its decorative effect is good or bad, directly influences the decorative effect of the whole building space's decorative space. The existing suspended ceiling generally comprises a plurality of hanging rods fixed on the ceiling, a keel frame fixedly connected to the lower ends of the hanging rods and a suspended ceiling plate uniformly laid on the keel frame, wherein the suspended ceiling plate is fixed on the keel frame by screws. Although the suspended ceiling structure is simple in structure and low in installation cost, the suspended ceiling structure has certain limitation, is generally only suitable for common home decoration, and is not suitable for places (such as KTV) needing sound insulation and fire prevention effects.
Traditional carpentry suspended ceiling construction can carry out on-the-spot large tracts of land and cut, criticize and inlay putty and sand and tie, can produce a large amount of gypsum board, timber, piece, dust, coating, paint, glue on the scene. The waste of materials is large, and various hazards such as dust, smell and the like can cause the health of operators and surrounding residents. The existing aluminum gusset plate suspended ceiling needs to fix a screw rod to the ceiling, various connecting pieces are reused to connect the first-level second-level keel and the screw rod, the keel is connected with a plate again, a large amount of vertical height space is occupied, the number of parts is large, the installation process is complex, the whole installation process needs to be carried out by climbing, the installation is heavy and slow, and the operation has certain danger. On the integrated wallboard of wood-plastic board furred ceiling direct utilization wood-plastic in the existing market was laid the ceiling, furred ceiling thickness was 9 to 10 millimeters, and the shape is the cavity flat board, and wooden fossil fragments are installed on the ceiling according to panel marginal position earlier, lean on the edge and the wooden fossil fragments of screw fixation panel during the installation, and central region can't lean on the screw fixation, if can produce ageing fracture with glue connection panel and fossil fragments. Because the panel middle zone can't be connected with fossil fragments, so can produce hang the problem that drooping, intensity are not enough, performance is poor in the middle of the roof board, wooden keel can't possess fire behavior, influences the building safety.
The large-span space truss structure has the advantages of attractive appearance, reasonable stress, strong spanning capability, light weight, low manufacturing cost and the like, and is widely applied to roofs of buildings such as stadiums, exhibition centers and the like in recent years. In order to ensure the functional requirements of the venue, functional rooms are often arranged around the venue and used for office work, equipment placement and the like, but the fireproof separation of the top layer position of the truss structure in the functional rooms is always a difficult point, the common fireproof separation mode is a vertical fireproof partition construction mode, a reinforced concrete floor is generally adopted as the top layer floor of the functional room when the vertical fireproof partition is constructed, however, the height of the top layer of the venue functional room is higher for meeting the hanging requirements of the equipment, the construction of the concrete floor is more difficult, meanwhile, the self weight of the reinforced concrete floor is larger, and the whole load of the venue can be increased.
Chinese patent 201320461847.0 discloses a "fireproof suspended ceiling structure", which is characterized by comprising a calcium plastic plate, I-shaped steel hanging pieces, rock wool fireproof layers, steel keels and steel hanging pieces, wherein rock wool fireproof layers are sprayed below the steel keels, the height of the steel keels is 400-600 mm, the thickness of the rock wool fireproof layers is 30-40 mm, the calcium plastic plate is arranged below the rock wool fireproof layers, the thickness of the calcium plastic plate is 30-40 mm, the I-shaped steel hanging pieces are arranged between adjacent calcium plastic plates, the I-shaped steel hanging pieces are welded on the steel keels, and the steel hanging pieces are arranged on the steel keels at intervals of 1.2-1.5 m. However, in the ceiling structure, the two calcium plastic boards are directly placed in the middle of the I-shaped steel hanging piece, the connection structure is unstable, meanwhile, the steel hanging piece is directly connected with the I-shaped steel hanging piece, the damping effect of the overall structure of the ceiling is poor, and when an earthquake or collision occurs, the phenomena of ceiling structure damage, calcium plastic board falling and the like are caused, so that danger is caused.
Among the fire protection designs of all the current interior trim parts, the fire protection design of a suspended ceiling is the most important position. This is because, in the event of a fire, the flames burn upwards, and the suspended ceiling is first and directly subjected to the fire test; meanwhile, the evacuation of people is directly influenced, and the threat to the life safety of evacuated people can be directly formed. Therefore, when the indoor suspended ceiling is decorated and designed, the fire-proof problem of the indoor suspended ceiling is fully considered.
Disclosure of Invention
The invention aims to provide a decorative suspended ceiling with a fire-fighting and extinguishing function, which has a function of inhibiting fire behavior when a fire disaster occurs.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a decorative suspended ceiling with fire-fighting and fire-extinguishing functions comprises a keel frame connected to a ceiling and a suspended ceiling plate inserted at the bottom of the keel frame; the ceiling board is characterized in that a gland plate is arranged above the ceiling board, the end part of the gland plate is connected to the keel frame, an elastic air bag is arranged between the ceiling board and the gland plate, and a fire extinguishing agent and an expanding agent are filled in the elastic air bag.
As a further technical scheme of the above scheme, the keel frame comprises hanging yards, hanging rods, and lower cross beams and upper longitudinal beams which are in staggered lap joint, the lower cross beams are positioned below the upper longitudinal beams, mounting openings are formed between the lower cross beams and the upper longitudinal beams, and the ceiling plates are arranged in one-to-one correspondence to the mounting openings; the hanging weight is connected to the top of the upper longitudinal beam and is connected to the ceiling through the hanging rod.
As a further technical scheme of the above scheme, two ends of the gland plate are respectively and correspondingly connected to the tops of two adjacent upper longitudinal beams; wherein one end of the gland plate is provided with two bulges used for connecting to the longitudinal beam on one side, and the other end is provided with a connecting part which is used for connecting to the longitudinal beam on the other side and can be inserted between the two bulges of the adjacent gland plate.
As a further technical solution of the above aspect, the protruding portion and the connecting portion are connected to the top of the upper longitudinal beam by means of bolt connection, fastening, insertion, or adhesion.
As a further technical solution of the above scheme, the ceiling plate has a limit frame protruding upward at the top thereof, and the elastic air bag is disposed in the limit frame.
As a further technical scheme of the above scheme, two opposite side end portions of the ceiling plate are respectively provided with an upward protruding clamping portion, the two clamping portions are respectively clamped into the slots at the bottoms of the two adjacent lower cross beams, and the tail end of one clamping portion is provided with a barb portion; the slot is internally provided with a groove which can accommodate the barb part.
As a further technical solution of the above scheme, the two card-in portions are provided with a bending limiting portion at corresponding positions, and the bending limiting portion of the card-in portion having the barb portion is located below the bending limiting portion of the other card-in portion.
In a further aspect of the above aspect, the fire extinguishing agent is a mixed gas of 52% by mass of nitrogen, 40% by mass of argon, and 8% by mass of carbon dioxide.
As a further technical scheme of the scheme, the fire extinguishing agent is a dry powder fire extinguishing agent.
As a further technical scheme of the scheme, the expanding agent is vermiculite powder.
Compared with the prior art, the invention has the following advantages and beneficial effects: when a fire disaster occurs indoors, the ceiling board is heated to increase the volume of the expanding agent in the elastic air bag, the ceiling board is extruded to expand downwards, the elastic air bag falls and breaks, the extinguishing agent in the elastic air bag is dispersed, and a fire source is extinguished; and the dense smoke generated by combustion can enter the upper part of the keel frame from the opened mounting port, so that the spread of the indoor dense smoke is delayed, and the evacuation safety of indoor personnel is improved.
Drawings
Fig. 1 is a schematic top-view perspective structure of the present invention.
Fig. 2 is a schematic bottom perspective view of the present invention.
Fig. 3 is a schematic top view of the present invention.
FIG. 4 is a schematic structural diagram of a cross section A-A in FIG. 3, which is also a schematic structural diagram of the present invention in a front view.
Fig. 5 is an enlarged structural diagram of a region B in fig. 4.
The explanation of each reference number in the figure is: the device comprises a keel frame 1, a lower cross beam 2, an upper longitudinal beam 3, a hanging weight 4, a hanging rod 5, a limiting frame 6, an elastic air bag 7, a gland plate 8 and a ceiling board 9.
Detailed Description
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, so as to further understand the concept, the technical problems solved, the technical features constituting the technical solutions, and the technical effects brought by the technical solutions.
It should be understood that these embodiments are illustrative and not restrictive, and that the described embodiments are only some, but not all, of the embodiments of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, provided in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of preferred embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
The invention relates to a decorative suspended ceiling with fire-fighting and extinguishing functions, which comprises a keel frame 1 and a suspended ceiling plate 9.
The keel frame 1 is used for being connected to a ceiling, and the keel frame 1 comprises hanging yards 4, hanging rods 5, lower cross beams 2 and upper longitudinal beams 3 which are in staggered lap joint. The lower cross beam 2 is located below the upper longitudinal beam 3, a mounting opening is formed between the lower cross beam 2 and the upper longitudinal beam 3, and the ceiling boards 9 are arranged in one-to-one correspondence to the mounting openings. The hanging weight 4 is connected to the top of the upper longitudinal beam 3, and the hanging weight 4 is connected to the ceiling through a hanging rod 5.
The suspended ceiling plate 9 is inserted in the bottom of the keel frame 1, a gland plate 8 is arranged above the suspended ceiling plate 9, the end part of the gland plate 8 is connected to the keel frame 1, an elastic air bag 7 is arranged between the suspended ceiling plate 9 and the gland plate 8, and a fire extinguishing agent and an expanding agent are filled in the elastic air bag 7.
The working principle of the invention is as follows: when a fire disaster occurs indoors, the suspended ceiling plate 9 is roasted by flame, the expanding agent in the elastic air bag 7 is heated to expand violently, the suspended ceiling plate 9 is extruded to be separated from the keel frame 1 downwards, and the elastic air bag 7 falls to the ground along with the expansion agent. In the landing process, the elastic air bag 7 can be broken due to impact, and then the contained fire extinguishing agent is sprayed to the periphery to extinguish a fire source; if the elastic air bag 7 is not broken by collision, the volume of the expansion agent can be further enlarged after the expansion agent is continuously heated by flame, and finally the elastic air bag 7 is broken, the fire extinguishing agent is thrown and the fire source is extinguished; if the elastic air bag 7 falls directly into the fire source, the elastic air bag 7 is directly burnt, and finally the fire extinguishing agent overflows from the position to extinguish the fire source.
And two ends of the gland plate 8 are respectively and correspondingly connected to the tops of two adjacent upper longitudinal beams 3. Wherein one end of said gland plate 8 has two lugs for connection to the longitudinal beam 3 on one side and the other end has a connection for connection to the longitudinal beam 3 on the other side which can be inserted between the two lugs of adjacent gland plates 8. The two adjacent pressing cover plates 8 are fixed through the clamping of the convex parts and the connecting parts, so that continuous installation without gaps can be realized, a complete pressing cover effect can be provided for the elastic air bag 7, the downward expansion of the elastic air bag 7 is facilitated, and the suspended ceiling plate 9 is squeezed open.
The convex part and the connecting part of the gland plate 8 are connected to the top of the upper longitudinal beam 3 in a bolt connection, buckling, insertion or bonding mode. Other easy-to-connect modes can be selected as long as the provision of the capping effect to the elastic airbag 7 and the ease of installation are ensured.
In order to avoid the situation that the building shakes due to earthquakes, typhoons and the like, so that the position of the elastic air bag 7 is changed, a limiting frame 6 protruding upwards is arranged at the top of the ceiling board 9, and the elastic air bag 7 is arranged in the limiting frame 6. The position of the elastic air bag 7 can be always ensured not to be changed by the limiting frame 6.
The bottom of the lower cross beam 2 is provided with a slot, two opposite sides of the ceiling plate 9 are respectively provided with a clamping part protruding upwards, the two clamping parts are respectively clamped into the slots at the bottoms of the two adjacent lower cross beams 2, and the tail end of one clamping part is provided with a barb part. The slot is internally provided with a groove which can accommodate the barb part.
The furred ceiling board 9 is installed in the slot of bottom beam 2 bottom through the card portion of going into, when elasticity gasbag 7 extrusion furred ceiling board 9 drops downwards, fixes one side of furred ceiling board 9 via barb portion, only can make the opposite side of furred ceiling board 9 drop downwards to avoid whole furred ceiling board 9 to drop, prevent that furred ceiling board 9 from pounding and falling and causing the security threat to the personnel. In this case, the ceiling plate 9 is preferably made of a deformable material such as a metal sheet to facilitate bending deformation.
The corresponding positions of the two clamping parts are respectively provided with a bending limiting part, and the bending limiting part of the clamping part with the barb part is positioned below the bending limiting part of the other clamping part. The bending limiting part can ensure that the two adjacent ceiling boards 9 are clamped stably and are not easy to fall off.
The fire extinguishing agent is a mixed gas consisting of 52 mass percent of nitrogen, 40 mass percent of argon and 8 mass percent of carbon dioxide, and can also be filled into the elastic air bag 7 by adopting a dry powder fire extinguishing agent to realize the fire extinguishing function. The dry powder fire extinguishing agent is dry and easy-to-flow fine powder for fire extinguishing, is composed of inorganic salt with fire extinguishing effect and a small amount of additive, and is formed into fine solid powder through drying, crushing and mixing. The dry powder extinguishing agent is used for extinguishing fire by spraying dry powder by using carbon dioxide gas or nitrogen gas as power. Firstly, the volatile decomposition products of inorganic salt in the dry powder and free radicals or active groups generated by fuel in the combustion process have chemical inhibition and negative catalysis effects, so that the combustion chain reaction is interrupted to extinguish the fire; secondly, the powder of the dry powder falls outside the surface of the combustible substance to generate chemical reaction and form a layer of glassy covering layer under the action of high temperature, thereby isolating oxygen and further extinguishing fire by suffocation. In addition, there is some dilution of oxygen and cooling.
The expanding agent in the invention is vermiculite powder. The mineral name of vermiculite comes from Latin with the meaning of "worm-like", "worm-track-like". Chinese is translated into vermiculite, which means that it bends like leech after burning. Vermiculite as a mineral species refers to a trioctahedral or dioctahedral aluminosilicate with layers of structural units of type 2:1, with water molecules and exchangeable cations between the layers. The vermiculite has unique firing volume expansion property, and the expanded product is called expanded vermiculite and is bent into a leech shape; silvery white, bright yellow brown and the like; metallic luster; after firing, the volume increases and the density decreases. When the vermiculite is roasted at high temperature, the volume of the vermiculite is violently expanded, and the bulk density is obviously reduced. The thickness of the single vermiculite after being steeply expanded can be increased by 15 to 20 times, even 40 times. The density is 2.4-2.7 g/cm3Reduced to 0.6-0.9 g/cm3. Vermiculite is capable of expanding because of the pressure generated by water vapor in its enclosed space during dehydration by heating. Vermiculite generally does not expand when heated to temperatures below 150 ℃ because of the removal at temperatures below 150 ℃The amount of water is not large and only free water is allowed to escape, water vapour being freely evacuated from between the layers, not creating a pressure sufficient to cause it to expand. When the vermiculite is heated to a temperature of more than 150 ℃ to a higher temperature (850-1000 ℃), the interlayer steam pressure is increased due to the restriction of the steam discharge condition caused by the reduction of the interlayer base distance of the aluminosilicate, so that the vermiculite expands violently, and the expansion speed is higher. The average volume weight of the expanded vermiculite is 100-200 Kg/m3，The vermiculite has fine air isolating layer, so it has excellent heat insulating performance and can inhibit flame from spreading. The expanded vermiculite is not burnt and has no smoke, the melting point is generally 1370-1400 ℃, and the performance of the expanded vermiculite cannot be changed when the expanded vermiculite is used at a high temperature of about 1000 ℃.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a decorate furred ceiling with fire control function of putting out a fire which characterized in that: the suspended ceiling comprises a keel frame (1) used for being connected to a ceiling and a suspended ceiling plate (9) inserted at the bottom of the keel frame (1); the fire extinguishing and expanding roof is characterized in that a gland plate (8) is arranged above the ceiling plate (9), the end part of the gland plate (8) is connected to the keel frame (1), an elastic air bag (7) is arranged between the ceiling plate (9) and the gland plate (8), and a fire extinguishing agent and an expanding agent are filled in the elastic air bag (7).
2. A decorative suspended ceiling with fire-fighting function as claimed in claim 1, wherein: the keel frame (1) comprises hanging yards (4), hanging rods (5), lower cross beams (2) and upper longitudinal beams (3) which are in staggered lap joint, the lower cross beams (2) are positioned below the upper longitudinal beams (3), mounting openings are formed between the lower cross beams (2) and the upper longitudinal beams (3), and the ceiling plates (9) are arranged in a one-to-one correspondence to the mounting openings; the hanging yard (4) is connected to the top of the upper longitudinal beam (3), and the hanging yard (4) is connected to the ceiling through the hanging rod (5).
3. A decorative suspended ceiling with fire-fighting function as claimed in claim 2, wherein: two ends of the gland plate (8) are respectively and correspondingly connected to the tops of two adjacent upper longitudinal beams (3); wherein one end of the gland plate (8) has two lugs for connection to the longitudinal beam (3) on one side and the other end has a connection for connection to the longitudinal beam (3) on the other side which can be inserted between two lugs of adjacent gland plates (8).
4. A decorative suspended ceiling with fire-fighting function as claimed in claim 3, wherein: the convex parts and the connecting parts are connected to the top of the upper longitudinal beam (3) in a bolt connection, buckling, insertion or bonding mode.
5. A decorative suspended ceiling with fire-fighting function as claimed in claim 2, wherein: the top of the ceiling plate (9) is provided with a limiting frame (6) protruding upwards, and the elastic air bag (7) is arranged in the limiting frame (6).
6. A decorative suspended ceiling with fire-fighting function as claimed in claim 2, wherein: the end parts of two opposite sides of the ceiling plate (9) are respectively provided with an upward convex clamping part, the two clamping parts are respectively clamped into the slots at the bottoms of the two adjacent lower cross beams (2), and the tail end of one clamping part is provided with a barb part; the slot is internally provided with a groove which can accommodate the barb part.
7. A decorative suspended ceiling with fire-fighting function as claimed in claim 6, wherein: the corresponding positions of the two clamping parts are respectively provided with a bending limiting part, and the bending limiting part of the clamping part with the barb part is positioned below the bending limiting part of the other clamping part.
8. A decorative suspended ceiling with fire-fighting function as claimed in claim 1, wherein: the fire extinguishing agent is a mixed gas consisting of 52 mass percent of nitrogen, 40 mass percent of argon and 8 mass percent of carbon dioxide.
9. A decorative suspended ceiling with fire-fighting function as claimed in claim 1, wherein: the fire extinguishing agent is a dry powder fire extinguishing agent.
10. A decorative suspended ceiling with fire-fighting function as claimed in claim 1, wherein: the bulking agent is vermiculite powder.
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| CN202110584856.8A CN113445653B (en) | 2021-05-27 | 2021-05-27 | Decoration furred ceiling with fire control function of putting out a fire |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114775886A (en) * | 2022-05-14 | 2022-07-22 | 韶关龙督装饰材料有限公司 | Sound-absorbing heat-insulating environment-friendly decorative aluminum ceiling |
| CN114991377A (en) * | 2022-06-09 | 2022-09-02 | 苏州佰业达建筑装饰工程有限公司 | Emergency safety escape type variable ceiling |
| CN116001715A (en) * | 2023-02-09 | 2023-04-25 | 重庆赛力斯新能源汽车设计院有限公司 | Integrated active safety system |
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| CN114991377A (en) * | 2022-06-09 | 2022-09-02 | 苏州佰业达建筑装饰工程有限公司 | Emergency safety escape type variable ceiling |
| CN116001715A (en) * | 2023-02-09 | 2023-04-25 | 重庆赛力斯新能源汽车设计院有限公司 | Integrated active safety system |
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