按照《石油化工可燃氣體和有毒氣體檢測報警設計標準》（GB/T 50493-2019）第2.O.3條以及第3.0.1條的標準要求。對以下四種存儲情況進行分析：

According to the requirements of Article 2.0.3 and Article 3.0.1 of the Design Standard for Combustible and Toxic Gas Detection and Alarm in Petrochemical Industry (GB/T 50493-2019). Analyze the following four storage scenarios:

　　（1）將火災危險性類別為甲、乙類的氣瓶存放在非甲乙類廠房。如果氣瓶存放數量符合《建筑設計防火規范(2018年版)》（GB 50016-2014）標準條文說明第3.1.2條的要求，即便氣瓶內氣體全部泄漏，該廠房內部可燃氣體濃度也無法達到爆炸下限，所以該場所不必設置可燃氣體探測器。

(1) Store gas cylinders with fire hazard categories A and B in non A and B factory buildings. If the number of gas cylinders stored meets the requirements of Article 3.1.2 of the "Code for Fire Protection Design of Buildings (2018 Edition)" (GB 50016-2014) standard, even if all the gas inside the cylinders leaks, the concentration of combustible gas inside the factory cannot reach the lower explosive limit, so it is not necessary to install combustible gas detectors in the place.

　　（2）將可燃氣體鋼瓶存放在位于生產裝置邊緣的敞棚內。因為氣瓶存放在開放的敞棚內，且不可能存放的多個氣瓶的閥門同時失效泄漏可燃氣體，即便單個氣瓶內氣體全部泄漏，該區域可燃氣體濃度也無法達到爆炸下限，所以該區域不必設置可燃氣體探測器。

(2) Store combustible gas cylinders in an open shed located at the edge of the production unit. Because gas cylinders are stored in open sheds, and it is impossible to store multiple cylinders with valves that fail simultaneously to leak combustible gas, even if all the gas in a single cylinder leaks, the concentration of combustible gas in the area cannot reach the lower explosive limit. Therefore, combustible gas detectors do not need to be installed in this area.

　　（3）將可燃氣體鋼瓶存放在氣瓶間或氣瓶庫。因為氣瓶間/庫多為封閉式或半敞開式廠房，不利于泄漏氣體擴散，且氣瓶間/庫的內部容積較小，單個氣瓶內氣體泄漏，該氣瓶間/庫可燃氣體濃度就可能達到爆炸下限，所以氣瓶間/庫應設置可燃氣體探測器。

(3) Store combustible gas cylinders in the cylinder compartment or cylinder storage. Because gas cylinder rooms/warehouses are mostly enclosed or semi open factories, it is not conducive to the diffusion of leaked gas, and the internal volume of gas cylinder rooms/warehouses is small. If gas leaks from a single gas cylinder, the combustible gas concentration in the gas cylinder room/warehouse may reach the lower explosive limit. Therefore, combustible gas detectors should be installed in the gas cylinder room/warehouse.

　　（4）毒性氣體的儲存。如果氣瓶內的氣體為《高毒物品目錄》（衛法監發〔2003〕142號）中所列的氣體或蒸氣，以及《化學品分類和標簽規范18部分：急性毒性》（GB 30000.18-2013）標準中，急性毒性危害類別為1類及2類的急性有毒氣體，即便該氣體具有可燃性，也應按照《危險化學品安全管理條例》（中華人民共和國國務院令 第591號第645號修正）第二十四條，“危險化學品應當儲存在專用倉庫、專用場地或者專用儲存室內，并由專人負責管理”的要求進行儲存,應按照《石油化工可燃氣體和有毒氣體檢測報警設計標準》（GB/T 50493-2019）第3.0.1條的要求設置有毒氣體探測器。

(4) Storage of toxic gases. If the gas in the gas cylinder is a gas or vapor listed in the "Catalogue of Highly Toxic Substances" (Wei Fa Jian Fa [2003] No. 142), as well as an acute toxic gas classified as Class 1 and Class 2 in the "Classification and Labeling Specification for Chemicals Part 18: Acute Toxicity" (GB 30000.18-2013) standard, even if the gas is flammable, it should be stored in accordance with Article 24 of the "Regulations on the Safety Management of Hazardous Chemicals" (State Council Order No. 591, No. 645 of the People's Republic of China), which states that "hazardous chemicals should be stored in dedicated warehouses, dedicated sites, or dedicated storage rooms, and managed by dedicated personnel", and should be stored in accordance with the "Design of Detection and Alarm for Combustible Gas and Toxic Gas in Petrochemical Industry". According to the requirements of Article 3.0.1 of GB/T 50493-2019, toxic gas detectors shall be installed.

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