【Daily Question No. 346】December 18, 2018
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【Daily Question No. 346】December 18, 2018: Briefly describe the dangerous characteristics and causes of fires resulting from leaks in high-pressure hydrogen systems Points are awarded as long as the argument is valid; here are some references: ① High-pressure hydrogen systems involve equipment that operates under high temperature and pressure and contains H2S, making it flammable and explosive. Such systems are large in scale and pose a high level of risk, so it is essential to have contingency plans and emergency preparedness in place at all times ； ②The hydrogenation reactor system, compressors, and heating furnaces are the key fire protection areas of the facility ； ③In the event of a leak in the hydrogenation reaction system, large amounts of high-pressure hydrogen, H2S, and hot diesel or gasoline can leak out and catch fire; in severe cases, an explosive mixture can be formed, posing extreme risks in such accidents ； ④After a leak and fire occur on the high-temperature flange surface, cold water should not be used to extinguish the fire, in order to prevent the flange surface from cracking extensively ； ⑤After the fire is extinguished, if the leak is not addressed, it will result in a large release of hydrogen containing H2S, which could lead to further fires or poisoning incidents. Therefore, careful safety measures must be taken to prevent the accident from escalating. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Correct: 3 wealth, Incorrect: 1 wealth ； Mass posting of posts – rated based on the lowest score ； Replies that are unrelated to the answer are considered spam and will be deleted immediately. For management purposes, if you need to view content from a few days ago, please go to https://bbs.hcbbs.com/home.php?mod=space&uid=3862647&do=thread&view=me&from=space through the summary post below
1. The high-pressure hydrogen system involves equipment that operates under high temperature and pressure and contains hydrogen sulfide; it is of a large scale and poses a high level of risk, hence it is necessary to be prepared for potential accidents at all times. 2. The hydrogenation reaction system, compressors, and heating furnaces are the key areas that require special attention in terms of fire safety. 3. In the event of a leak in the hydrogenation reaction system, large amounts of high-pressure hydrogen, hydrogen sulfide, hot diesel, and gasoline can leak out and catch fire; in severe cases, an explosive mixture may form, resulting in extremely serious consequences. 4. If a leak causes a fire on the high-temperature flange surfaces, cold water should not be used immediately to extinguish the fire, in order to prevent the flange surfaces from splitting apart extensively. 5. Even after the fire is extinguished, if the leak is not addressed, it will lead to the release of large amounts of hydrogen containing hydrogen sulfide, which could trigger further fires or poisoning incidents
In the event of a leak in the hydrogenation reaction system, large amounts of high-pressure hydrogen, H2S, and hot diesel or gasoline can leak out and catch fire; in severe cases, an explosive mixture can be formed, posing extreme risks in such accidents
①High-pressure hydrogen systems involve high-temperature and high-pressure hydrogen environments with H2S, making such devices flammable and explosive. These systems are large in scale and pose a high level of risk; therefore, it is essential to have prepared plans and emergency response measures ready at all times； ②The hydrogenation reactor system, compressors, and heating furnaces are the key fire protection areas of the facility ； ③In the event of a leak in the hydrogenation reaction system, large amounts of high-pressure hydrogen, H2S, and hot diesel or gasoline can leak out and catch fire; in severe cases, an explosive mixture can be formed, posing extreme risks in such accidents ； ④After a leak and fire occur on the high-temperature flange surface, cold water should not be used to extinguish the fire, in order to prevent the flange surface from cracking extensively ； ⑤After the fire is extinguished, if the leak is not addressed, it will result in a large release of hydrogen containing H2S, which could lead to further fires or poisoning incidents. Therefore, careful safety measures must be taken to prevent the accident from escalating.
①High-pressure hydrogen systems involve high-temperature and high-pressure hydrogen environments with H2S, making such devices flammable and explosive. These systems are large in scale and pose a high level of risk; therefore, it is essential to have prepared plans and emergency response measures ready at all times； ②The hydrogenation reactor system, compressors, and heating furnaces are the key fire protection areas of the facility ； ③In the event of a leak in the hydrogenation reaction system, large amounts of high-pressure hydrogen, H2S, and hot diesel or gasoline can leak out and catch fire; in severe cases, an explosive mixture can be formed, posing extreme risks in such accidents ； ④After a leak and fire occur on the high-temperature flange surface, cold water should not be used to extinguish the fire, in order to prevent the flange surface from cracking extensively ； ⑤After the fire is extinguished, if the leak is not addressed, it will result in a large release of hydrogen containing H2S, which could lead to further fires or poisoning incidents. Therefore, careful safety measures must be taken to prevent the accident from escalating.
1. High-pressure hydrogen systems: These are devices that operate under high temperature and pressure in the presence of hydrogen sulfide; they are of large scale and pose a high level of risk, hence it is necessary to be prepared for potential accidents at all times. 2. The hydrogenation reaction system, compressors, and heating furnaces are the key fire protection areas of the facility. 3. In the event of a leak in the hydrogenation reaction system, large amounts of high-pressure hydrogen, hydrogen sulfide, hot diesel, and gasoline can leak out and catch fire; in severe cases, an explosive mixture can form, resulting in extremely serious hazards. 4. In the event of a fire caused by leakage at a high-temperature flange surface, cold water should not be used to extinguish it immediately, in order to prevent the flange surface from splitting over a large area. 5. After the fire is extinguished, if the leak is not addressed, it will result in a large release of hydrogen containing hydrogen sulfide, which could lead to more severe fires or poisoning incidents.
1. High-pressure hydrogen systems: These are devices that operate under high temperature and pressure in the presence of hydrogen sulfide; they are of large scale and pose a high level of risk, hence it is necessary to be prepared for potential accidents at all times. 2. The hydrogenation reaction system, compressors, and heating furnaces are the key fire protection areas of the facility. 3. In the event of a leak in the hydrogenation reaction system, large amounts of high-pressure hydrogen, hydrogen sulfide, hot diesel, and gasoline can leak out and catch fire; in severe cases, an explosive mixture can form, resulting in extremely serious hazards. 4. In the event of a fire caused by leakage at a high-temperature flange surface, cold water should not be used to extinguish it immediately, in order to prevent the flange surface from cracking extensively. 5. After the fire is extinguished, if the leak is not addressed, it will result in a large release of hydrogen containing hydrogen sulfide, which could cause further fires or poisoning incidents.
1. The high-pressure hydrogen system refers to installations that operate under high temperature and pressure in the presence of hydrogen sulfide; such installations are of large scale and pose a high level of risk, so it is necessary to be prepared for potential accidents at all times. 2. The hydrogen reaction system, compressors, and heating furnaces are the key areas that require special attention regarding fire safety in these installations. 3. In the event of a leak in the hydrogenation reaction system, large amounts of high-pressure hydrogen, hydrogen sulfide, as well as hot diesel and gasoline can catch fire, and explosions may occur in severe cases, posing extreme hazards. 4. After a leak and fire occurs on the high-temperature flange surface, water should not be used immediately to extinguish the fire in order to prevent the flange from tearing apart over a large area.
1. High-pressure hydrogen systems: These are devices that operate under high temperature and pressure in the presence of hydrogen sulfide; they are of large scale and pose a high level of risk, hence it is necessary to be prepared for potential accidents at all times. 2. The hydrogenation reaction system, compressors, and heating furnaces are the key fire protection areas of the facility. 3. In the event of a leak in the hydrogenation reaction system, large amounts of high-pressure hydrogen, hydrogen sulfide, hot diesel, and gasoline can leak out and catch fire; in severe cases, an explosive mixture can form, resulting in extremely serious hazards. 4. In the event of a fire caused by leakage at a high-temperature flange surface, cold water should not be used to extinguish it immediately, in order to prevent the flange surface from cracking extensively. 5. After the fire is extinguished, if the leak is not addressed, it will result in a large release of hydrogen containing hydrogen sulfide, which could cause further fires or poisoning incidents.
①High-pressure hydrogen systems involve high-temperature and high-pressure hydrogen environments with H2S, making these devices flammable and explosive; they are also of large scale and pose a high level of risk
1. High-pressure hydrogen systems: These are devices that operate under high temperature and pressure in the presence of hydrogen sulfide; they are of large scale and pose a high level of risk, hence it is necessary to be prepared for potential accidents at all times. 2. The hydrogenation reaction system, compressors, and heating furnaces are the key fire protection areas of the facility. 3. In the event of a leak in the hydrogenation reaction system, large amounts of high-pressure hydrogen, hydrogen sulfide, hot diesel, and gasoline can leak out and catch fire; in severe cases, an explosive mixture can form, resulting in extremely serious hazards. 4. In the event of a fire caused by leakage at a high-temperature flange surface, cold water should not be used to extinguish it immediately, in order to prevent the flange surface from cracking extensively. 5. After the fire is extinguished, if the leak is not addressed, it will result in a large release of hydrogen containing hydrogen sulfide, which could cause further fires or poisoning incidents.