We have an interesting situation at the refinery. Just as an example, we may have a 2" pipe expanded into a 24" or 36" or even, let's say, a 48" pipe. Appropriate ANSI flanges are used. The piping operates at about 1,500 psi and contains purified or recycled hydrogen.
Our mechanical engineers...
I am looking at a way to control sludge at the bottom of large >100' diameter above ground storage tanks. These tanks have a significant slope, with perhaps 20% of the capacity in the heal. I toyed with the idea of adding agitators but this idea was scoffed at by an older engineer who said we...
I've already done some research but I can't find anything specific. I am looking for standards regarding steam vents. I have a relief valve with a discharge line about 35-ft in the air. I found a vague reference in OSHA regarding insulation and distance from personnel access but nothing specific...
Now, this is out of my area of expertise so bear with me. I want to install a 22" concrete pad over buried instrument/electrical conduit. The top of the conduit is about 48" below ground. This leaves a fill space of about 26" between the bottom of the pad and the top of the conduits. I am not...
We are planning to make 5-7 ppm ultra low sulfur diesel (ULSD). I have been tasked to develop a cleaning plan for converting our 500 ppm diesel tankfarm to handle ULSD.
Does anyone have any experience to relay? Does anyone know how long I can expect the cleaning to take? We're talking about...
