川消氣體滅火系統防護區的設置要求
來源：http://www.xintli.net/ 日期：2022-07-27
當發生火情時，氣體滅火系統需要在規定的時間內，向防護區噴放設計規定用量的滅火劑，并讓滅火劑均勻地充滿整個防護區，以達到撲滅火災的目的，所以氣體滅火系統主要用于有限的封閉空間內，也就是防護區內。那防護區的建設有什么要求呢？
In case of fire, the gas fire extinguishing system needs to spray the specified amount of extinguishing agent to the protection area within the specified time, and let the extinguishing agent fill the whole protection area evenly, so as to achieve the purpose of extinguishing the fire. Therefore, the gas fire extinguishing system is mainly used in the Limited enclosed space, that is, the protection area. What are the requirements for the construction of the protective zone?
1 防護區宜以單個封閉空間劃分;同一區間的吊和地板下需同時保護時，可合為一個防護區;
1. The protection area should be divided by a single enclosed space; When the ceiling layer and under the floor in the same section need to be protected at the same time, they can be combined into a protective area;
2 采用管網滅火系統時，一個防護區的面積不宜大于800m2，且容積不宜大于3600m2;
2 when the pipe network fire extinguishing system is adopted, the area of a protection area should not be greater than 800m2, and the volume should not be greater than 3600M2;
3 采用預制滅火系統時，一個防護區的面積不宜大于500m2，且容積不宜大于1600m2。
3 when using prefabricated fire extinguishing system, the area of a protective area should not be greater than 500m2, and the volume should not be greater than 1600m2.
2)防護區圍護結構及門窗的耐火極限均不宜低于0.5h;吊頂的耐火極限不宜低于0.25h。
2) The fire resistance limit of enclosure structure and doors and windows in the protection area should not be less than 0.5h; The fire resistance limit of ceiling should not be less than 0.25h.
3)防護區圍護結構承受內壓的允許壓強，不宜低于1200Pa。
3) The allowable pressure of the enclosure structure in the protection area to bear internal pressure should not be less than 1200pa.
4)防護區應設置泄壓口，七氟丙烷滅火系統的泄壓口應位于防護區凈高的2/3以上。
4) The protection area should be equipped with pressure relief ports, and the pressure relief ports of heptafluoropropane fire extinguishing system should be located at more than 2/3 of the clear height of the protection area.
5)噴放滅火劑前，防護區內除泄壓口外的開口應能自行關閉。
5) Before spraying the extinguishing agent, the openings in the protection area other than the pressure relief port should be able to close automatically.
6)防護區的低環境溫度不應低于-10℃。
6) The low ambient temperature in the protection area shall not be lower than -10 ℃.
7)兩個或兩個以上的防護區采用組合分配系統時，一個組合分配系統所保護的防護區不應超過8個。
7) When two or more protection areas adopt combined distribution system, the protection area protected by a combined distribution system shall not exceed 8.
8)組合分配系統的滅火劑儲存量，應按儲存量大的防護區確定。
8) The storage volume of extinguishing agent in the combined distribution system shall be determined according to the protection area with large storage volume.
9)滅火系統的滅火劑儲存量，應為防護區的滅火設計用量、儲存容器內的滅火劑剩余量和管網內的滅火劑剩余量之和。
9) The storage capacity of the extinguishing agent of the fire extinguishing system shall be the sum of the designed consumption of fire extinguishing in the protection area, the remaining amount of extinguishing agent in the storage container and the remaining amount of extinguishing agent in the pipe network.
10)
川消滅火系統的儲存裝置72小時內不能重新充裝恢復工作的，應按系統原儲存量的100%設置備用量。
10) If the storage device of the Sichuan fire suppression system cannot be refilled and restored within 72 hours, the standby volume shall be set at 100% of the original storage volume of the system.
11)同一防護區，當設計兩套或三套管網時，集流管可分別設置，系統啟動裝置須共用。各管網上噴頭流量均應按同一滅火設計濃度、同一噴放時間進行設計。
11) In the same protection area, when two or three sets of casing nets are designed, the collecting pipes can be set separately, and the system starting device must be shared. The sprinkler flow on each pipe network shall be designed according to the same fire extinguishing design concentration and the same spraying time.
In addition, the door of the protection area should be opened in the direction of evacuation and can be closed automatically. In addition, the door for evacuation must be able to be opened from the protection area. The door of the protection area is opened in the direction of evacuation, mainly to facilitate escape. Come to the website for more related matters http://www.xintli.net Consult and understand.
