WO2024031939A1 - 建筑物外墙的灭火系统 - Google Patents

建筑物外墙的灭火系统 Download PDF

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Publication number
WO2024031939A1
WO2024031939A1 PCT/CN2023/074247 CN2023074247W WO2024031939A1 WO 2024031939 A1 WO2024031939 A1 WO 2024031939A1 CN 2023074247 W CN2023074247 W CN 2023074247W WO 2024031939 A1 WO2024031939 A1 WO 2024031939A1
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Prior art keywords
water
fire extinguishing
building
extinguishing system
storage tank
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PCT/CN2023/074247
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English (en)
French (fr)
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林瑞昕
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林瑞昕
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Publication of WO2024031939A1 publication Critical patent/WO2024031939A1/zh

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/08—Water curtains
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108—Rainwater harvesting

Definitions

  • the utility model relates to the technical field of fire extinguishing for building exterior walls, and specifically to a fire extinguishing system for building exterior walls.
  • the building itself When a current building fire occurs, the building itself is equipped with relatively complete fire-extinguishing facilities for firefighters to use in extinguishing individual units within it. Moreover, the layered and partitioned structures inside the building also serve to prevent and limit the fire extinguishing of individual units. The fire spreads, so as long as it is discovered and extinguished in time, the problem will not be too big.
  • the patented high-rise building exterior wall water curtain fire extinguishing system 2016210862733 also uses high-pressure water sources and directly relies on water pumps for high-pressure pipeline transportation. Since there is no certain amount of reserve water source, and the system has to be on standby with water all year round, the entire water pipeline is under high pressure all year round, requiring very high daily maintenance.
  • the sprinkler pipes are arranged around the exterior wall of the building. The sprinkler pipes have spray wall holes evenly distributed on the inside of the water pipes, which require high water quality (to avoid clogging the nozzles). When the fire on the exterior wall is large and close to the sprinkler head, it may burn out the sprinkler head and cause the system to malfunction.
  • Patented high-rise building fire extinguishing system 2014204327732 in terms of water supply, although the water storage tank is installed on the roof, a layer of water filter net is installed at the upper end opening to receive rainwater for fire extinguishing, reducing the use of groundwater and saving fire extinguishing costs.
  • rainwater due to current environmental pollution, rainwater is mostly acidic and contains impurities such as dust. Over time, it is easy to cause corrosion, sedimentation and blockage, and daily maintenance requirements are high. More importantly, the water storage equipment relies on a limited amount of rainwater. If the building catches fire, its stored water source will not be supplied in large quantities.
  • the present invention provides a fire extinguishing system for building exterior walls, which effectively forms a fire extinguishing system specifically designed to deal with burning in building exterior walls, thereby greatly reducing the difficulty of fire extinguishing on building exterior walls. It also greatly reduces the fire-fighting time and fire-fighting costs of the building's exterior walls.
  • a fire extinguishing system for the exterior wall of a building including a water storage tank, at least one water diversion pipe, an electric valve, an overflow tank and a water pipe.
  • the water storage tank is set on the roof of the building, and the water inlet end of the water diversion pipe is connected to the water storage tank.
  • the water tank is connected, an electric valve is provided between the water inlet end and the water storage tank, the outlet end of the water diversion pipe is connected to the overflow tank, the overflow tank is arranged around the top edge of the building, and the tap water pipe is connected to the water storage tank.
  • the water storage tank can also be installed on the refuge floor of the building, on a protruding rooftop somewhere in the floor, on the edge of the exterior wall of the building, or even indoors on a certain floor of the building, with corresponding overflow tanks installed around the building.
  • the water storage tank is usually full of water and can be replenished by the water pipe at any time.
  • the electric valve is usually closed, so the water pipe is usually dry. Once a fire occurs, the electric valve can be opened to drain the water from the water storage tank.
  • the overflow tank is a J-shaped overflow tank.
  • the outer wall of the tank body of the overflow tank is lower than the inner wall of the tank body of the overflow tank.
  • the outer wall of the tank body serves as an edge for water overflow.
  • the inner wall of the tank body is higher than the outer wall of the tank body. , to prevent water from flowing into the roof and causing waste and reducing the efficiency of fire extinguishing. Only when the bottom of the overflow tank is placed horizontally can it be ensured that the overflowing water will fall naturally from high places on the entire exterior wall surface of the building at the same time. If the bottom of the tank is higher at one end and lower at the other, it will happen that the water can only flow down from the overflow tank. The failure phenomenon of overflowing at one end.
  • the overflow tank is usually in a waterless state. Once the water pipe has a steady flow of water, the entire section of the overflow tank will soon be filled, and water will overflow from the outer wall of the overflow tank. The overflowing water will flow throughout the entire section of the building at the same time. The surface of the exterior wall of the building naturally falls from a high place to form a huge uninterrupted water curtain wall, which plays the role of flame retardant and fire extinguishing.
  • the water inlet end of the water diversion pipe is higher than the water outlet end, so water can be discharged faster under the action of gravity.
  • a water baffle to prevent water flow is provided in the overflow tank between each two water outlets.
  • the purpose of this is to shorten the time for the overflow tank to be filled with water, and if the building is only on fire somewhere, it only needs to fill the overflow tank above the burning unit, so that the water overflows more quickly, so that it can reach the outer wall of the building faster.
  • the surface forms an uninterrupted water curtain wall of suitable width, which plays the role of flame retardant and fire extinguishing in a timely manner.
  • a leak hole for draining rainwater is provided on the outer wall of the overflow tank between each two water baffles. The purpose is to slowly drain the accumulated water in each section of the overflow tank after rain, but not to miss a large amount of water when it is necessary to put out a fire.
  • the length of the overflow channel between each two water baffles is equal, and the outlet end of the water diversion pipe is connected to the center point of the distance between the two water baffles.
  • the main purpose of this design is to make each section of the overflow channel It can be quickly filled with water and overflow, thus playing the role of flame retardant and fire extinguishing in time.
  • the water inlet end is located at the bottom of the water storage tank.
  • the water pipe is connected to the top of the water storage tank.
  • the same fire extinguishing system can be arranged at a certain number of floors, thereby greatly shortening the vertical distance for the overflow water to reach the burning point and striving for faster fire extinguishing time.
  • the overflow tank can be divided into more segments, or two or even three sets of the same fire extinguisher can be arranged on the same platform. system, thereby greatly shortening the time for the overflow tank to be filled with water and overflowing, and also greatly shortening the straight-line distance from the water storage tank to the overflow tank, achieving the purpose of rapid flame retardant and fire extinguishing.
  • each section of the overflow tank should be on the same level, and the sections can be at the same height, or at different heights, but each section should be at the same level.
  • the bottom surface of the tank body of the segmented overflow tank is placed horizontally to ensure that the overflowing water will naturally fall from a height on the exterior wall surface of the entire building at the same time. If the bottom surface of the tank body of each segmented overflow tank is uneven, it will A failure occurs where water can only overflow from the lower part of the overflow tank.
  • the utility model has the following advantages over the existing technology: (1) Compared with the existing technology, this utility model does not require the use of high-pressure water guns, the system is not in a high-pressure state, and has lower requirements for daily maintenance. In addition, non-high-pressure nozzles have lower requirements for water quality.
  • this utility model can extinguish fires on the exterior walls around the entire building at the same time, and can also focus on extinguishing fires at local fire spots on the exterior walls.
  • the utility model is low in cost, quick to start, effective in extinguishing fires, durable, convenient for daily maintenance, and easy to install on existing buildings, thus effectively eliminating the burning risk of all current building exterior walls. Wide adaptability. For unbuilt buildings, as long as the utility model is added during design, the entire fire protection system of the building can be made more complete and reliable at a low cost.
  • Figure 1 is a schematic diagram of the fire extinguishing system of the building exterior wall in Embodiment 1;
  • Figure 2 is a schematic diagram of the fire extinguishing system on the exterior wall of the building in Embodiment 1 applied to the roof of the building;
  • Figure 3 is a partial enlarged view of Figure 2;
  • Figure 4 is another partial enlarged view of Figure 2;
  • FIG. 5 is a partial cross-sectional view of FIG. 2 .
  • Embodiment 1 A fire extinguishing system 10 for the exterior wall of a building as shown in Figures 1 and 2, including a water storage tank 1, at least one water diversion pipe 2, an electric valve 5, an overflow tank 3 and a water pipe 4.
  • the water storage tank 1 is arranged on the roof of the building.
  • the water inlet end 21 of the water diversion pipe 2 is connected to the water storage tank 1.
  • An electric valve 5 is provided between the water inlet end 21 and the water storage tank 1.
  • the water outlet end of the water diversion pipe 2 22 is connected to the overflow tank 3, which is arranged around the edge of the top surface of the building, and the water pipe 4 is connected to the water storage tank 1.
  • the water storage tank 1 is usually full of water and can be replenished by the water pipe 4 at any time.
  • the electric valve 5 is usually closed, so the water diversion pipe 2 is usually in a waterless state. Once a fire occurs, the electric valve 5 can be opened to draw out the water stored in the water storage tank 1.
  • the overflow tank 3 is a J-shaped overflow tank, and the outer side wall 31 of the overflow tank 3 is lower than the inner side wall 32 of the overflow tank 3.
  • the outer wall 31 of the tank serves as the edge for water overflow, and the inner wall 32 of the tank is higher than the outer wall 31 of the tank, preventing water from flowing into the roof and causing waste and reducing the efficiency of fire extinguishing. Only when the bottom surface 33 of the overflow tank 3 is placed horizontally can it be ensured that the overflowing water will naturally fall from a high place on the exterior wall surface of the entire building at the same time. If the bottom surface of the tank body is higher at one end and lower at the other, it will happen that the water can only flow from the overflow. The low end of water tank 3 overflows.
  • the outer wall 31 of the tank body is flush with the outer wall 6 of the building.
  • the overflow tank 3 is usually in a waterless state. Once there is a steady stream of water in the water diversion pipe 2, the entire section of the overflow tank 3 will soon be filled, and water will overflow from the outer wall 31 of the tank body of the overflow tank 3. The overflowing water will At the same time, the entire exterior wall surface of the building naturally falls from a high place to form a huge uninterrupted water curtain wall, which plays the role of flame retardant and fire extinguishing.
  • the water inlet end 21 of the water diversion pipe 2 is higher than the water outlet end 22, so that water can be discharged faster under the action of gravity.
  • a water baffle 7 to prevent water flow is provided in the overflow tank 3 between every two water outlets 22 .
  • the purpose of this is to shorten the time for the overflow tank 3 to be filled with water, and if the building is only on fire somewhere, it only needs to fill the overflow tank 3 above the burning unit, so that the water overflows more quickly, thereby causing the building to burn faster.
  • the surface of the exterior wall forms an uninterrupted water curtain wall with a suitable width, which plays the role of flame retardant and fire extinguishing in a timely manner.
  • a leak hole 8 for draining rainwater is provided on the outer wall 31 of the overflow tank 3 between every two water baffles 7 .
  • the purpose is to slowly drain away the accumulated water in each section of the overflow tank 3 after rain, but not to miss a large amount of water that needs to be put out when the fire is extinguished.
  • the length of the overflow channel 3 between each two water baffles 7 is equal, and the water outlet end 22 of the water diversion pipe 2 is connected to the center point of the distance between the two water baffles 7.
  • the main purpose of this design is The purpose is to enable each section of the overflow tank 3 to be quickly filled with water, and to play the role of flame retardant and fire extinguishing in a timely manner.
  • the water inlet end 21 is located at the bottom of the water storage tank 1 .
  • the water pipe 4 is connected to the top of the water storage tank 1 .
  • FIG. 2 and 4 there are two water diversion pipes 2.
  • the water inlet ends 21 are respectively connected to the front and rear sides of the water storage tank 1, and the water outlet ends 22 are respectively connected to the overflow tank 3.
  • the overflow tank 3 is Divided into 2 sections, a water baffle 7 is provided at the center point between the two water outlet ends 22, so that when a fire breaks out in the building, the water diversion pipe 2 will discharge water at the same time, and the water baffle 7 and the water diversion pipe 2 will divide the overflow tank 3 into
  • the two equal sections quickly form an uninterrupted water curtain wall on the surface of the building's exterior wall, which plays the role of flame retardant and fire extinguishing in a timely manner.
  • the bottom surfaces 33 of the tank body 33 of the two equal sections of the overflow tank 3 are both placed horizontally, and the two sections of the overflow tank 3 can be at the same height or at different heights.
  • the same fire extinguishing system 10 on the exterior wall of the building can be arranged at a certain number of floors, thereby greatly shortening the vertical distance for the overflow water to reach the burning point, and Strive for faster fire extinguishing time.
  • the overflow tank 3 when the building occupies a large area and its roof platform is relatively wide, the overflow tank 3 can be divided into more segments, or two or even three sets of the same type can be arranged on the same platform.
  • the fire extinguishing system 10 of the external wall of the building greatly shortens the time for the overflow tank 3 to be filled with water and overflows, and also greatly shortens the straight-line distance from the water storage tank 1 to the overflow tank 3, achieving the purpose of rapid flame retardant and fire extinguishing. .

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

一种建筑物外墙的灭火系统，包括储水罐（1）、至少1根引水管（2）、电动阀门（5）、溢水槽（3）和自来水管（4），储水罐设置在建筑物楼顶，引水管的进水端与储水罐接通，进水端与储水罐之间设置有电动阀门，引水管的出水端与溢水槽接通，溢水槽环绕设置在建筑物顶面边缘，自来水管与储水罐接通。该灭火系统（10）成本低，起动迅速，灭火成效显著，经久坚固耐用，日常维护便捷，容易在现有的建筑物上进行施工设置，从而有效地消除目前所有建筑物外墙的燃烧风险，适应面广。对于未建的建筑物，只要在设计时将该灭火系统增加进去，花费不多，就能使建筑物的整个消防系统更为完善可靠。

Description

建筑物外墙的灭火系统 技术领域
   本实用新型涉及建筑物外墙灭火技术领域，具体涉及一种建筑物外墙的灭火系统。
 背景技术
在目前的建筑物火灾发生时，对其内部个别单元的灭火，建筑物本身都配备有较为完善的灭火设施供消防人员使用，而且建筑物内部的分层、分隔结构，也起到了阻止和局限火势扩散的作用，所以只要及时发现和进行扑灭，问题不会太大。
但是，本来在建筑物内部个别单元的燃烧，往往通过窗口、阳台门口，扩散到建筑物的外墙，并借助于大风迅速向上和向左右扩散。这些扩散开去的燃烧，又通过更多单元的窗口、阳台门口，窜入到建筑物内部，继而形成更大范围的燃烧。所以，对于建筑物外墙的燃烧的扑灭工作，也是刻不容缓的。
纵观当下对建筑物外墙的灭火手段, 就是使用专业的消防车从建筑物外墙燃烧点附近进行喷射灭火液体（或是水，或是泡沫）。但随着建筑物高度的不断增高，消防车的向上喷射能力越发显得力不从心，甚至是无能为力！
目前现有技术中的建筑物外墙的灭火系统中，例如：专利高层建筑外墙灭火系统201120067823.8，其通过在建筑外墙体上环绕喷淋管，并使用高压水源向喷淋管供水，从而对建筑物外墙灭火，该设计需要使用高压水源。专利一种高层建筑外墙水幕灭火系统2016210862733，也是使用高压水源，直接依赖水泵进行高压管道输送。由于没有一定量的储备水源，而系统又要常年处于满水的候命之中，所以整个输水管道常年均处于高压状态，日常维护要求很高。在灭火方面，喷水管采用环绕式布置在建筑的外墙面，喷水管是用水管内侧均匀分布有喷水壁孔，对水质要求较高（要避免堵塞喷嘴）。当外墙火势较大且距喷头较近时，有可能将喷头烧坏，从而令系统失灵。
专利高层建筑灭火系统2014204327732，在水源供应方面，虽然设置于楼顶的蓄水箱，上端开口处设置有一层滤水网，承接雨水用于灭火，减少地下水的使用量，节省灭火成本。但由于现在的环境污染，雨水呈酸性居多，且有尘埃等杂质，天长日久，容易引起腐蚀及沉积堵塞，日常维护要求较高。更重要的是该储水设备靠雨水水源量有限，如果大楼失火，其储存水源得不到大量的供给。
 实用新型
为了解决上述的技术问题，本实用新型提供了一种建筑物外墙的灭火系统，有效地形成一个专门应对建筑物外墙出现燃烧的灭火系统，从而大幅地降低建筑物外墙的灭火难度，也大幅地缩减了建筑物外墙的灭火时间和灭火成本。
本实用新型解决上述技术问题的方案如下：
一种建筑物外墙的灭火系统，包括储水罐、至少1根引水管、电动阀门、溢水槽和自来水管，所述储水罐设置在建筑物楼顶，引水管的进水端与储水罐接通，进水端与储水罐之间设置有电动阀门，引水管的出水端与溢水槽接通，溢水槽环绕设置在建筑物顶面边缘，自来水管与储水罐接通。可以理解的是，储水罐也可以设置在建筑物的避难层，楼层中某处突出的天台，建筑物的外墙边缘处，甚至大楼中某层建筑的室内，相应溢水槽环绕安装在建筑物外墙的表面。储水罐平时储满水，并随时可以由自来水管补充水量，电动阀门平时处于关闭状态，所以引水管平时处于无水状态。一旦出现火情，即可开启电动阀门，将储水罐的储水引出。
进一步的，所述溢水槽为J型溢水槽，溢水槽的槽体外侧壁低于溢水槽的槽体内侧壁，槽体外侧壁作为水溢出的边缘，槽体内侧壁高于槽体外侧壁，防止水流入楼顶造成浪费，减小灭火的效率。溢水槽的槽体底面水平放置，才能确保溢出的水将同时在整段建筑物的外墙表面由高处自然落下，若槽体底面一头高一头低，就会发生水只能从溢水槽低的一头溢出的失败现象。
更进一步的，所述槽体外侧壁与建筑物外墙壁平齐。溢水槽平时处于无水状态，一旦引水管有源源不断的水，溢水槽很快就会整段被充满，并出现水从溢水槽的槽体外侧壁溢出，溢出的水将同时在整段建筑物的外墙表面由高处自然落下，形成一道巨大的不间断的水幕墙，从而起到了阻燃和灭火的作用。
进一步的，所述引水管的进水端高于出水端，在重力的作用下，出水更快。
进一步的，所述引水管为2根以上，每2个出水端之间的溢水槽内设置有阻止水流通的挡水板。这样的目的是为了缩短溢水槽被水充满的时间，并且，如果建筑物只是某处失火，只需要充满燃烧单元上方的溢水槽，使水更迅速地溢出，从而更快地在建筑物外墙表面形成一道宽度合适的不间断的水幕墙，及时地起到阻燃和灭火的作用。
更进一步的，所述每2个挡水板之间的溢水槽的槽体外侧壁上设置有用于排泄雨水的漏水孔。目的是将雨后每段溢水槽内的积水缓慢地排清，但又不致于漏掉需要灭火时的大量来水。
更进一步的，所述每2个挡水板之间的溢水槽的长度相等，引水管的出水端连通2个挡水板之间的距离中心点，该设计的主要目的是使每段溢水槽都能快速被水充满并溢出，从而及时地起到阻燃和灭火的作用。
进一步的，所述进水端位于储水罐的底部。
进一步的，所述自来水管连通储水罐的顶部。
可以理解的是，当建筑物为高层甚至超高层时，可以在相隔一定的层数布置同样的灭火系统，从而大大地缩短溢出的水流到达燃烧点的垂直距离，并争取更快的灭火时间。
可以理解的是，当建筑物为占地面积较大，其楼顶平台较为宽广时，可以将溢水槽分隔成更多的分段，也可以在同一平台布置二套，甚至三套同样的灭火系统，从而大大地缩短溢水槽被水充满并溢出的时间，也大大地缩短储水罐到溢水槽的直线距离，达到了迅速阻燃和灭火的目的。
可以理解的是，当溢水槽分隔成更多的分段时，溢水槽的每个分段要处于同一个水平面上，分段与分段之间可以在同一高度，或者在不同高度，但每分段溢水槽的槽体底面水平放置，才能确保溢出的水将同时在整段建筑物的外墙表面由高处自然落下，若每分段溢水槽的槽体底面是高低不平的，就会发生水只能从溢水槽的低处溢出的失败现象。
本实用新型相对于现有技术具有如下的优点：
（1）与现有技术相比，本实用新型不需要使用高压水枪，系统不处于高压状态，对日常维护要求较低，另外，非高压喷嘴，对水质要求较低。
（2）与现有技术相比，本实用新型能同时对整栋大楼四周的外墙进行灭火，也能针对局部外墙火点集中力量灭火。
（3）本实用新型成本低，起动迅速，灭火成效显著，经久坚固耐用，日常维护便捷，容易在现有的建筑物上进行施工设置，从而有效地消除目前所有建筑物外墙的燃烧风险，适应面广。对于未建的建筑物，只要在设计时将本实用新型增加进去，花费不多，就能使建筑物的整个消防系统更为完善可靠。
本文使用的例如“内”、“外”等表示空间相对位置的术语是出于便于说明的目的来描述如附图中所示的一个特征相对于另一个特征的关系。可以理解，根据产品摆放位置的不同，空间相对位置的术语可以旨在包括除了图中所示方位以外的不同方位，并不应当理解为对权利要求的限制。
 附图说明
图1为实施例1建筑物外墙的灭火系统的示意图；
图2为实施例1建筑物外墙的灭火系统应用于建筑楼顶示意图；
图3为图2的局部放大图；
图4为图2的另一局部放大图；
图5为图2的局部剖面图。
实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
实施例1：如图1、图2所示的一种建筑物外墙的灭火系统10，包括储水罐1、至少1根引水管2、电动阀门5、溢水槽3和自来水管4，所述储水罐1设置在建筑物楼顶，引水管2的进水端21与储水罐1接通，进水端21与储水罐1之间设置有电动阀门5，引水管2的出水端22与溢水槽3接通，溢水槽3环绕设置在建筑物顶面边缘，自来水管4与储水罐1接通。储水罐1平时储满水，并随时可以由自来水管4补充水量，电动阀门5平时处于关闭状态，所以引水管2平时处于无水状态。一旦出现火情，即可开启电动阀门5，将储水罐1的储水引出。
在本实施例中，如图3、图4、图5所示，所述溢水槽3为J型溢水槽，溢水槽3的槽体外侧壁31低于溢水槽3的槽体内侧壁32，槽体外侧壁31作为水溢出的边缘，槽体内侧壁32高于槽体外侧壁31，防止水流入楼顶造成浪费，减小灭火的效率。溢水槽3的槽体底面33水平放置，才能确保溢出的水将同时在整段建筑物的外墙表面由高处自然落下，若槽体底面一头高一头低，就会发生水只能从溢水槽3低的一头溢出的失败现象。
在本实施例中，如图2所示，所述槽体外侧壁31与建筑物外墙壁6平齐。溢水槽3平时处于无水状态，一旦引水管2有源源不断的水，溢水槽3很快就会整段被充满，并出现水从溢水槽3的槽体外侧壁31溢出，溢出的水将同时在整段建筑物的外墙表面由高处自然落下，形成一道巨大的不间断的水幕墙，从而起到了阻燃和灭火的作用。
在一些实施例中，所述引水管2的进水端21高于出水端22，在重力的作用下，出水更快。
在一些实施例中，所述引水管2为2根以上，每2个出水端22之间的溢水槽3内设置有阻止水流通的挡水板7。这样的目的是为了缩短溢水槽3被水充满的时间，并且，如果建筑物只是某处失火，只需要充满燃烧单元上方的溢水槽3，使水更迅速地溢出，从而更快地在建筑物外墙表面形成一道宽度合适的不间断的水幕墙，及时地起到阻燃和灭火的作用。
在一些实施例中，所述每2个挡水板7之间的溢水槽3的槽体外侧壁31上设置有用于排泄雨水的漏水孔8。目的是将雨后每段溢水槽3内的积水缓慢地排清，但又不致于漏掉需要灭火时的大量来水。
在一些实施例中，所述每2个挡水板7之间的溢水槽3的长度相等，引水管2的出水端22连通2个挡水板7之间的距离中心点，该设计的主要目的是使每段溢水槽3都能快速被水充满，及时地起到阻燃和灭火的作用。
进一步的，所述进水端21位于储水罐1的底部。
进一步的，所述自来水管4连通储水罐1的顶部。
在本实施例中，如图2、图4所示，引水管2为2根，进水端21分别连通储水罐1的前后两侧，出水端22分别连通溢水槽3，将溢水槽3分为2段，2个出水端22之间的距离中心点设置有挡水板7，这样当大楼发生火灾时，引水管2同时出水，挡水板7和引水管2将溢水槽3分为相等的2段，快速在建筑物外墙表面形成一道不间断的水幕墙，及时地起到阻燃和灭火的作用。此时，相等的2段溢水槽3的槽体底面33均为水平放置， 2段溢水槽3可以在同一高度或不同高度。
在一些实施例中，当建筑物为高层甚至超高层时，可以在相隔一定的层数布置同样的建筑物外墙的灭火系统10，从而大大地缩短溢出的水流到达燃烧点的垂直距离，并争取更快的灭火时间。
在一些实施例中，当建筑物为占地面积较大，其楼顶平台较为宽广时，可以将溢水槽3分隔成更多的分段，也可以在同一平台布置二套，甚至三套同样的建筑物外墙的灭火系统10，从而大大地缩短溢水槽3被水充满并溢出的时间，也大大地缩短储水罐1到溢水槽3的直线距离，达到了迅速阻燃和灭火的目的。
以上所述是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本实用新型的保护范围。

Claims (9)

  1. 建筑物外墙的灭火系统，其特征在于：包括储水罐、至少1根引水管、电动阀门、溢水槽和自来水管，所述储水罐设置在建筑物楼顶，引水管的进水端与储水罐接通，进水端与储水罐之间设置有电动阀门，引水管的出水端与溢水槽接通，溢水槽环绕设置在建筑物顶面边缘，自来水管与储水罐接通。
  2. 根据权利要求1所述的建筑物外墙的灭火系统，其特征在于：所述溢水槽为J型溢水槽，溢水槽的槽体外侧壁低于溢水槽的槽体内侧壁，溢水槽的槽体底面水平放置。
  3. 根据权利要求2所述的建筑物外墙的灭火系统，其特征在于：所述槽体外侧壁与建筑物外墙壁平齐。
  4. 根据权利要求1所述的建筑物外墙的灭火系统，其特征在于：所述引水管的进水端高于出水端。
  5. 根据权利要求1所述的建筑物外墙的灭火系统，其特征在于：所述引水管为2根以上，每2个出水端之间的溢水槽内设置有阻止水流通的挡水板。
  6. 根据权利要求5所述的建筑物外墙的灭火系统，其特征在于：所述每2个挡水板之间的溢水槽的槽体外侧壁上设置有用于排泄雨水的漏水孔。
  7. 根据权利要求6所述的建筑物外墙的灭火系统，其特征在于：所述每2个挡水板之间的溢水槽的长度相等，引水管的出水端连通2个挡水板之间的距离中心点。
  8. 根据权利要求1所述的建筑物外墙的灭火系统，其特征在于：所述进水端位于储水罐的底部。
  9. 根据权利要求1所述的建筑物外墙的灭火系统，其特征在于：所述自来水管连通储水罐的顶部。
PCT/CN2023/074247 2022-08-10 2023-02-02 建筑物外墙的灭火系统 WO2024031939A1 (zh)

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