On the uses of coke oven stack venting
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In the case of a shutdown of the coke oven fan, 1: Is it necessary to ensure that all of the raw gas is discharged through the gas collection duct? 1. Will this result in the equipment specifications becoming too large? 2. The drain water seal valve and flare for the gas collection pipe adjust in real time in response to fluctuations in the pressure of the gas collection pipe. Was the exhaust pipe designed to address pressure fluctuations in the gas collection system, or for discharge during emergency situations?
In an accident scenario, discharge through vent pipes is not possible; it can only be achieved through flaring. The purpose of installing vent pipes is to address pressure fluctuations in small amounts of gas collection pipes, as large-scale discharge is not possible.