I am interested in knowing about the probable damage mechanisms that may render a benfield regenerating column at risk. The current interval at which these beds are being inspected is 8 years. Historically, this particular column has had no instance of any thickness loss, however, what I am...
Hi,
We are operating a heating coil downstream of a primary reformer (furnace) at an ammonia plant with tube dia of 48 mm. The flue gases of the furnace are being used for steam generation from Boiler Feed Water inside the tubes. The tubes are finned externally on the entire exposed length...
Hi,
We're operating two ammonia storage spheres for the last 35 years. The support columns (legs) of the spheres are protected against fire damage by means of concrete fireproofing, approx. 4-5 inches thick. The support columns are basically 32 in. pipes with 15 mm wall thickness. Can anyone...
Dear Experts,
We are experiencing high vibration at ammonia booster pump. The spectrum shows dominant non-synchronous peak at 1.19 order. This pump has a double John crane mechanical seal (109B) in tandem arrangement. Is it something related with mechanial seal? Has anybody experienced any...