川消講述關于灑水噴頭有四個問題
來源：http://m.xintli.net/ 日期：2022-06-10
灑水噴頭分為哪幾種？
What are the types of sprinkler heads?
灑水噴頭分為閉式和開式兩種。閉式玻璃球灑水噴頭是濕式自動噴水滅火系統重要的部件，能起到探火和滅火的雙重功能。按滅火功能或保護區域劃分，灑水噴頭可分為普通灑水噴頭、干式噴頭、家用噴頭、擴大覆蓋面積灑水噴頭、早期抑制快速響應噴頭、特殊應用噴頭、雨淋噴頭、水霧噴頭、水幕噴頭等。
Sprinkler heads are divided into closed type and open type. Closed glass ball sprinkler head is an important component of wet automatic sprinkler system, which can play the dual functions of fire detection and fire extinguishing. According to the fire-fighting function or protection area, sprinkler heads can be divided into ordinary sprinkler heads, dry sprinkler heads, household sprinkler heads, sprinkler heads with expanded coverage area, early suppression rapid response sprinkler heads, special application sprinkler heads, rain sprinkler heads, water mist sprinkler heads, water curtain sprinkler heads, etc.
閉式玻璃球灑水噴頭的作用是什么？
What is the function of closed glass ball sprinkler?
閉式玻璃球灑水噴頭是濕式自動噴水滅火系統重要的部件，能起到探火和滅火的雙重功能。
Closed glass ball sprinkler head is an important component of wet automatic sprinkler system, which can play the dual functions of fire detection and fire extinguishing.
噴頭應布置在頂板或吊頂下易于接觸到火災熱氣流并有利于均勻布水的位置。當噴頭附近有障礙物時，應符合本規范的規定或增設補償噴水強度的噴頭。
The sprinkler shall be arranged under the top plate or ceiling where it is easy to contact the fire hot air flow and is conducive to uniform water distribution. When there are obstacles near the sprinkler, it shall comply with the provisions of this specification or add a sprinkler to compensate the sprinkler intensity.
直立型、下垂型噴頭的布置，包括同一根配水支管上噴頭的間距及相鄰配水支管的間距，應根據系統的噴水強度、噴頭的流量系數和工作壓力確定，并不應大于表7.1.2的規定，且不宜小于2.4m。
The arrangement of vertical and drooping nozzles, including the spacing between nozzles on the same water distribution branch pipe and the spacing between adjacent water distribution branch pipes, shall be determined according to the sprinkler intensity of the system, the flow coefficient of the nozzle and the working pressure, and shall not be greater than the provisions in table 7.1.2, and shall not be less than 2.4m.
除吊頂型噴頭及吊頂下安裝的噴頭外，直立型、下垂型標準噴頭，其濺水盤與頂板的距離，不應小于75mm，不應大于150mm。
Except for the ceiling sprinkler and the sprinkler installed under the ceiling, the distance between the splash tray and the top plate of the vertical and drooping standard sprinkler shall not be less than 75mm and not more than 150mm.
自動噴淋滅火系統的組成部件由水池+閥門+水泵+氣壓罐控制箱+主干管道(+屋頂水箱)+分支次干管道+信號蝶閥+水流指示器+分支管+噴淋頭+排氣閥+末端排水裝置組成。消防噴淋系統的設計原則是根據使用場所的面積以及需要消防的對象而決定噴淋頭的數量和種類的。
The components of the automatic sprinkler system are composed of pool + valve + water pump + air tank control box + main pipeline (+ roof water tank) + branch secondary main pipeline + signal butterfly valve + water flow indicator + branch pipeline + sprinkler head + exhaust valve + end drainage device. The design principle of fire sprinkler system is to determine the number and type of sprinkler heads according to the area of the place of use and the objects that need fire protection.
灑水噴頭應選用多少溫度等級？
What temperature class should the sprinkler be selected?
川消小編提示，該處噴頭少應選用93°C甚更高溫度等級的噴頭。灑水噴頭的施工安裝環節非常關鍵，如果由未經培訓的人員進行施工安裝，會給消防工程留下質量隱患。尤其是層層分包的消防工程項目，施工現場難免有未經培訓和考核的施工人員，他們對灑水噴頭的結構原理、性能和操作維護等缺乏了解，施工安裝時隨意、馬虎。
According to the tips of Chuanxiao Xiaobian, the sprinkler at this place should be at least 93 ° C or higher. The construction and installation of sprinkler heads is very critical. If the construction and installation are carried out by personnel without professional training, it will leave quality hidden dangers to the fire engineering. In particular, for the fire engineering projects subcontracted layer by layer, it is inevitable that there are untrained and assessed construction personnel on the construction site, who lack understanding of the structural principle, performance, operation and maintenance of sprinkler heads, and are careless in construction and installation.
灑水噴頭的保護面積用量是多少？
What is the amount of sprinkler protection area?
擴大覆蓋面積灑水噴頭的保護面積用量大可達36m2，能大大減少保護面積內的噴頭數量和管道用量，降低工程造價。適用于建筑內輕、中危險場所，尤其是較大面積的賓館客房。
Expanding the coverage area, the amount of sprinkler protection area can reach 36m2, which can greatly reduce the number of sprinkler heads and pipe consumption within the protection area and reduce the project cost. It is suitable for light, medium and dangerous places in buildings, especially hotel rooms with large areas.
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