我們在日常生活中使用了許多消防排煙管道。消防排煙系統本身屬于公眾的重要對象。但是，對消防排煙和通風管道的要求也很高。一般來說，嚴格來說，在選擇防火排煙和通風管道時，首先考慮的是阻燃性。我們都知道，消防工作在高溫甚至明火的環境中進行，因此需要考慮通風管道的耐火性和阻燃性。不過消防排煙管道是否又需要防火保溫呢?
We use many fire smoke exhaust pipes in our daily life. The fire smoke exhaust system itself belongs to the important object of the public. However, the requirements for fire smoke exhaust and ventilation pipes are also very high. Generally speaking, strictly speaking, when selecting fire, smoke exhaust and ventilation ducts, the first consideration is flame retardancy. As we all know, fire fighting work is carried out in the environment of high temperature or even open fire, so the fire resistance and flame retardancy of ventilation pipes need to be considered. However, does the fire smoke exhaust pipe need fire prevention and insulation?
1、 排煙管可以保溫，因為根據相關要求，特別是一些排煙管，周圍溫度可能比較高。如果不能滿足設置要求，應結合管道間距采取保護措施。如果不能滿足20cm的要求，則需采取保溫保護。
1. The smoke exhaust pipe can be insulated, because according to relevant requirements, especially some smoke exhaust pipes, the surrounding temperature may be relatively high. If the setting requirements cannot be met, protective measures shall be taken in combination with the pipe spacing. If the requirement of 20cm cannot be met, thermal insulation protection shall be taken.
2、 有些排煙管不需要隔熱處理。如果其他條件滿足要求，也能在室外排放室內煙氣，則無需再做保溫處理，也無需安裝普通排氣管。
2. Some smoke exhaust pipes do not need heat insulation. If other conditions meet the requirements and indoor flue gas can be discharged outdoors, there is no need to conduct thermal insulation treatment or install ordinary exhaust pipe.
事實上，消防排煙管道需要防火保溫處理，這對于在使用過程中有著重要的作用價值。
In fact, the fire exhaust pipe needs fire protection and thermal insulation treatment, which plays an important role in the use process.
如何控制地下室排風排煙共用風口？ 電氣上是否能控制不同防煙分區的風口關閉？當火災唄確認后，應能開啟排煙區域的排煙口和排煙風機，并自動關閉與排煙無關的通風、空調系統。
How to control the common air outlet of basement exhaust and smoke exhaust? Can you electrically control the closing of air vents in different smoke prevention zones? When the fire is confirmed, it shall be able to turn on the smoke outlet and smoke exhaust fan in the smoke exhaust area, and automatically turn off the ventilation and air conditioning system irrelevant to smoke exhaust.
1、多個排煙分區合用排煙排風系統，這種情況的話，電動閥+排煙風口更好，平時常開排風，著火關閉非著火點排煙分區的設置在支管上的電動閥，超過280度風口熔斷關閉，煙氣如擴散到其他防煙分區則開啟此防煙分區支管上的電動閥
1. Multiple smoke exhaust zones share the smoke exhaust system. In this case, the electric valve + smoke exhaust outlet is better. Usually, the exhaust is always open, and the electric valve set on the branch pipe of the smoke exhaust zone without ignition point is closed on fire. If the air outlet exceeds 280 degrees, it is fused and closed. If the smoke diffuses to other smoke prevention zones, open the electric valve on the branch pipe of this smoke prevention zone
2、一般住宅的地下室為儲藏功能，并劃分為小的儲藏間，排煙排風系統合用，一套系統也就負責1個或者2個防煙分區，并且煙氣擴散很快，閥門來回開啟與關閉，采用全部敞開的排煙風口比較好，平時常開排風，著火也全部開啟，超過280度關閉。
2. Generally, the basement of a residence is used for storage and is divided into small storage rooms. The smoke exhaust system is shared. A set of system is responsible for one or two smoke prevention zones, and the smoke diffuses quickly. The valves are opened and closed back and forth. It is better to use all open smoke exhaust outlets. It is usually open for exhaust, and all fire are opened, and closed at more than 280 degrees.
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