Any need that design pressure of claus unit to be designed for deflagration? Since, the air is limited. Any incidents from your past experiences to share if we don't design for?
good evening, i need ur experience in this field about sulfur handling and crushing sulfur , we have crushing sulfur operation inside gas plant we use heavy equipment's to crushing and loading sulfur , during crushing activity there is fine dust collecting inside the engine of equipment's spicily the dozer how we can prevent the catch fire or explosion during the crushing activity , is this operation save using dozer for crushing sulfur .
Thanks a lot for this useful video. I have a few questions about the fire of sulfur units in refineries (eg SRU and SSU). We are trying to avoid fires, but what steps should we take to mitigate possible fires in terms of detection and extinguishment. We have heaters, conveyors, stockpiles, silos and bagging facilities etc. Should we consider water spray for all these areas? What type of fire detection can we use (SO2 detector? or LHD around silos and alongside conveyors?)
the hydrogenation reactor bed temperatures keeps fluctuating because of tail gas and poor burn stoichiometry in the RGG, will that case a fire in the reactor ?
The primary cause of temperature rise in the hydrogenation reactor is from the reaction between SO2 and H2, so when you have fluctuating SO2 in the tail gas you will also have fluctuating temperature rise in the hydrogenation reactor. A large amount of SO2 will cause a large temperature rise, however this is not a “fire” but simply the heat of reaction. As long as the temperature doesn’t exceed around 400C for long periods or around 500C for short periods, then this elevated temperature rise is not a problem. A true “fire” would occur if oxygen (from air) enters the reactor, but even a poor burn stoichiometry in the RGG usually won’t allow enough air to cause a significant fire. Fires normally only occur during startup or shutdown procedures when higher air volumes can enter the reactor if the procedures aren’t correct.
Is it ok to run with fluctuating temperatures in the hydrogenation reactor which is caused by fluctuating tail gas ratio, and will the catalyst hydrogenate/hydrolyze the SO2/COS/CS2 or will it simply slip out of the reactor without getting converted and cause SO2 breakthrough and choke the Quench column filter ? Also will this reduce the catalyst life ?
