濟南鐵皮風(fēng)管加工：鐵皮風(fēng)管隔熱性要求是否必要？

發(fā)布人：http://   發(fā)布時間：2024-05-13 15:59:11

　　鐵皮風(fēng)管隔熱性要求是否必要？

Is the insulation requirement for iron sheet air ducts necessary?

　　其實在耐火極限一詞的解釋中是這樣描述的：本條術(shù)語解釋中的“標準耐火試驗條件”是指符合標準規(guī)定的耐火試驗條件。

In fact, in the interpretation of the term "fire resistance limit", it is described as follows: "Standard fire resistance test conditions" in this terminology interpretation refer to fire resistance test conditions that comply with national standards.

　　對于升溫條件，不同使用性質(zhì)和功能的建筑，火災(zāi)類型可能不同，因而在建筑構(gòu)配件的標準耐火性能測定過程中，受火條件也有所不同，需要根據(jù)實際的火災(zāi)類型確定不同標準的升溫條件。

For buildings with different usage properties and functions under different heating conditions, the type of fire may vary. Therefore, in the process of measuring the standard fire resistance performance of building components, the fire conditions may also vary. It is necessary to determine different standard heating conditions based on the actual fire type.

　　目前，我國對于以纖維類火災(zāi)為主的建筑構(gòu)件耐火試驗主要參照國際標準化組織834標準規(guī)定的時間-溫度標準曲線進行試驗；對于石油化工建筑、通行大型車輛的隧道等以烴類為主的場所，結(jié)構(gòu)的耐火極限需采用碳氫時間-溫度曲線等相適應(yīng)的升溫曲線進行試驗測定。對于不同類型的建筑構(gòu)件，耐火極限的判定標準也不一樣，比如非承重墻體，其耐火極限測定主要考察該墻體在試驗條件下的完整性能和隔熱性能；而柱的耐火極限測定則主要考察其在試驗條件下的承載力和穩(wěn)定性能。

At present, China mainly refers to the time temperature standard curve specified in the International Organization for Standardization 834 standard for the fire resistance test of building components mainly caused by fiber fires; For places mainly composed of hydrocarbons such as petrochemical buildings and tunnels for large vehicles, the fire resistance limit of the structure needs to be tested and determined using temperature rise curves that are suitable for hydrocarbon time temperature curves. For different types of building components, the criteria for determining the fire resistance limit are also different. For example, for non load-bearing walls, the determination of their fire resistance limit mainly examines the integrity and insulation performance of the wall under test conditions; The determination of the fire resistance limit of the column mainly examines its bearing capacity and stability performance under experimental conditions.

　　因此，對于不同的建筑結(jié)構(gòu)或構(gòu)、配件，耐火極限的判定標準和所代表的含義也不完全一致，詳見現(xiàn)行標準《建筑構(gòu)件耐火試驗方法》系列。而隔熱性要求主要適應(yīng)于建（構(gòu)）造物分隔件。所以個人認為當鐵皮風(fēng)管的完整性能可以達到要求后，系統(tǒng)的功能就可以滿足設(shè)計要求了。

Therefore, for different building structures or components, the criteria for determining the fire resistance limit and the meaning it represents are not completely consistent. Please refer to the current national standard "Fire resistance test methods for building components" series for details. The insulation requirements mainly apply to building (structure) partitions. So I personally believe that when the complete performance of the iron sheet air duct can meet the requirements, the system's functions can meet the design requirements.

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