What is the fire hazard classification level for the waste gas collection and treatment systems in sewage treatment plants?
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What is the fire hazard classification level for the exhaust gas collection and treatment system (exhaust gas handling equipment) in sewage treatment plants? Is it necessary to classify them as Category A or Category B?
The fire hazard level of the exhaust gas collection and treatment systems in sewage treatment plants needs to be determined based on the composition of the exhaust gases being treated and their concentrations. If the exhaust gas contains flammable and explosive components, it may be classified as Category A or B ； If there are no flammable or explosive components, it may belong to a lower hazard level. The specific grade shall be determined in accordance with ** or relevant local safety production regulations and standards. .