Blackmer pump plays pivotal role in ammonia transfer application
Oct 1, 2008 12:00 PM
The choices came down to two: either find a way to make it work, or shut an entire chemical plant down until repairs could be made to a damaged pipeline.
This situation arose earlier this year in Houston TX, where international chemical and pharmaceutical giant Bayer operates a chemical plant. To maintain its 24/7 operating schedule, the plant relies on a continuous supply of ammonia that is shipped via a 14-mile-long pipeline from the Houston Ammonia Terminal. However, when the pipeline needed to be taken out of service for six weeks, Bayer needed to find an alternate solution or face the prospect of shutting the plant down.
Realizing that the second choice was untenable, personnel from Airgas Specialty Products, Duluth GA, the supplier of ammonia-related services to the Bayer plant; and Gas Equipment Company Inc., Dallas TX, a preferred supplier of equipment to Airgas, put their heads together in search of an answer. They would have to be able to deliver the ammonia to the plant and transfer it into the facility at 100 gallons per minute at pressures between 200 and 230 pounds — 24 hours a day for six weeks.
After contracting with common carrier Grammer Industries to deliver the ammonia, it was decided that a skid would need to be equipped with a booster pump that was powerful enough to meet the pressure and volume needs. Roy Nichols, Project Manager, NOx/SCR Ammonia Equipment for Gas Equipment Co., suggested using a Blackmer LGLD3E V-Belt sliding vane pump for the transfer applications.
After working through a couple of hiccups in the setup of the system, the final numbers showed that a total of 673 deliveries shipped 21,614,160 pounds of ammonia to the Bayer plant over six weeks of continuous operation and not a single drop of ammonia was spilled.
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