【Ministry of Emergency Management’s Special Inspection 2022】27 – Personnel who installed non-explosion-proof air conditioners in the coking operation room entered areas containing hydrogen sulfide devices without wearing alarms

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Recently, Group 5 of the second ministerial inspection team for enterprises with major hazardous sources of hazardous chemicals in 2022, under the Ministry of Emergency Management, conducted an inspection in Zhejiang Province. The inspection team selected, through random selection, to conduct an inspection at the xxxxx Petrochemical Company located in the northern port area of Ma’ao Sub-district, Putuo District, Zhoushan City. On the top platform of the coking unit, which is over 60 meters high, the inspection team checked the connections and operation status of the four-way valves, and found that non-explosion-proof air conditioners were installed in the tar removal operation room at the top of the tower. “Given the special nature of the reaction apparatus, explosion-proof measures have been implemented throughout this area; however, the air conditioning system here is not explosion-proof, posing potential safety risks. ”The members of the inspection team said. The inspection team also found that two personnel on duty in the fire control room were working without the necessary licenses; from the inquiries conducted, it was clear that the two were not familiar with the fire protection equipment and systems. Furthermore, the protection radius of the hydrogen sulfide alarms installed in the cold high-pressure section of the hydroprocessing unit does not meet the specified requirements; personnel in the workshop and management departments enter areas where hydrogen sulfide is present without wearing such alarms ； There are a lack of safety warning signs and wind vane in areas where hydrogen sulfide is present. There are also issues such as weak fire management and a failure to conduct a thorough analysis of the reasons for alarms; experts pointed these out one by one and provided professional suggestions.