防火卷簾門是一種適用于建筑物較大洞口處的防火，隔熱設施，產品在設計上采用了卷軸內藏的特點，具有結構合理緊湊。防火卷簾簾面通過傳動裝置和控制系統達到卷簾的升降。起到防火，隔火作用，產品外形平整美觀，造型新穎，具有剛性強。防火卷簾門廣泛應用于工業與民用建筑的防火隔斷區，能有效地阻止火勢蔓延，保障生命財產，是現代建筑中不可缺少的防火設施。

　　Fireproof rolling shutter door is a type of fireproof and thermal insulation facility suitable for large openings in buildings. The product is designed with the feature of concealed scroll, and has a reasonable and compact structure. The fireproof rolling shutter surface is lifted and lowered by a transmission device and control system. Plays a role in fire prevention and isolation, the product has a smooth and beautiful appearance, a novel design, and strong rigidity. Fireproof rolling shutter doors are widely used in fire-resistant partition areas of industrial and civil buildings, which can effectively prevent the spread of fire, ensure the safety of life and property, and are indispensable fire prevention facilities in modern buildings.

　　一、限制防火分區的防火卷簾數量：同一個防火分區中的防火卷簾數量越多，總體防火卷簾的可靠性越低，因此應控制防火分區的防火卷簾的數量，對于有特殊需要的場所，需要設多個防火卷簾，應當采取其他措施來增強其可靠性，或者進行性能化評估，達到等效的消防水平。

　　1、 Limit the number of fire-resistant rolling shutters in fire compartments: The more fire-resistant rolling shutters in the same fire compartment, the lower the overall reliability of the fire-resistant rolling shutters. Therefore, the number of fire-resistant rolling shutters in the fire compartment should be controlled. For places with special needs, multiple fire-resistant rolling shutters need to be installed. Other measures should be taken to enhance their reliability, or performance-based evaluations should be conducted to achieve an equivalent level of fire safety.

　　二、限制防火卷簾的應用范圍：現行技術規范除倉庫的防火墻不能用防火卷簾替代以外，有“設置困難時”都可以替代防火墻。鑒于防火卷簾的可靠性不高的問題普遍存在，建議對有關防火卷簾應用的技術規范條文進行修訂。應明確防火卷簾不能替代防火墻，對防火卷簾的應用場所、部位進行嚴格規定。

　　2、 Restricting the application scope of fire-resistant rolling shutters: In current technical specifications, except for firewalls in warehouses that cannot be replaced by fire-resistant rolling shutters, firewalls can be replaced in situations where installation is difficult. Given the widespread problem of low reliability of fireproof rolling shutters, it is recommended to revise the technical specifications and provisions related to the application of fireproof rolling shutters. It should be clarified that fireproof rolling shutters cannot replace firewalls, and strict regulations should be imposed on the application locations and parts of fireproof rolling shutters.

　　三、增加防火卷簾防遮擋報警功能：防火卷簾在使用過程中被物品遮擋的情況比較常見，在故障原因中占40%，雖然在管理措施上有人員巡查，現場有“禁止在卷簾下堆放物品”的標志，但由于人流和物流是動態的，防火卷簾隨時有可能被物品遮擋，一旦此時發生火災，防火卷簾不能有效降落，起不到防火分隔作用。

　　3、 Add anti blocking alarm function for fireproof rolling shutters: It is common for fireproof rolling shutters to be blocked by objects during use, accounting for 40% of the causes of faults. Although there are personnel patrols in management measures and signs that read "Do not stack items under the rolling shutter" on site, due to the dynamic flow of people and logistics, fireproof rolling shutters may be blocked by objects at any time. Once a fire occurs at this time, the fireproof rolling shutter cannot be effectively lowered and cannot play a role in fire separation.

　　對于這樣一個重要的故障環節，應當加強措施，預先防范并報警。建議在防火卷簾上安裝防遮擋報警裝置，只要防火卷簾下有物品就發出警報。報警裝置設5S的延時，當人和物在5S中內通過卷簾下時不會報警，遮擋探測方法可以采用紅外線探測方法，報警裝置經研究定型后納入防火卷簾產品技術規范。如果這個技術措施能夠實施，將會顯著提高防火卷簾的可靠性。

　　For such an important fault link, measures should be strengthened to prevent and alert in advance. It is recommended to install an anti obstruction alarm device on the fireproof rolling shutter, which will sound an alarm as long as there is an object under the fireproof rolling shutter. The alarm device is equipped with a 5-second delay. When people and objects pass under the rolling shutter within 5 seconds, it will not sound an alarm. The obstruction detection method can use infrared detection. After research and finalization, the alarm device will be included in the technical specifications for fireproof rolling shutter products. If this technical measure can be implemented, it will significantly improve the reliability of the fireproof rolling shutter.

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