Thursday, June 15, 2017

Natural Gas Fueling Station Process Filter and Dryer

natural gas vehicle fueling station dryer with stationary regenerator
Single tower natural gas dryer with stationary regeneration system
used for removing water vapor and particulate contaminants from
vehicle fuel.
Courtesy SPX Flow - Pneumatic Products
Natural gas fueled vehicles now occupy a formidable niche in the transportation market. With low cost, low emission operation, natural gas vehicles continue to expand their presence in fleets around the world.

Commercially available engines of almost all types operate best and longest when powered with clean fuel that is free of particulates and other contaminants that increase wear on internal and moving parts. Water vapor also has some deleterious effects on many components and should be kept at very low levels.

Fuel can change custody and container numerous times during transport from production to consumption point. Opportunities for contamination exist along the supply chain, making a final processing of the fuel immediately prior to its dispensing to a vehicle a positive and beneficial operation.

SPX Flow, under the Pneumatic Products brand, manufactures single and twin tower desiccant dryers designed to remove water vapor from natural gas. The skid mounted units also include particulate and coalescing filters that capture solid contaminants to a submicron level.

Specifically engineered for large flow heavy-duty natural gas vehicle fleet refueling applications, units are available for intermittent, low, moderate, and heavy demand operations. Single tower units are economical for low to moderate levels of use. Twin tower systems, with self-contained regeneration, provide continuous operation and delivery of dried compressed natural gas (CNG) for fueling operations.

Single tower dryers can be provided with a stationary desiccant regeneration system on board. This enhances convenience by eliminating the need for a third party regeneration service. The desiccant is processed in place, without replacement. Single tower dryers are suitable for low to moderate volume application.

Single tower units, without a stationary regeneration system, are suitable for intermittent or low volume use. A mobile regeneration unit can provide self directed processing of the desiccant media in place, eliminating the need for disposal and replacement. Alternatively, third party service providers can come to the site and replace or regenerate the desiccant.

Twin tower purification systems are completely self-contained, fully automatic, heat-reactivated, closed-loop blower purge units capable of continuous operation for facilities with high flow requirements or uninterrupted 24 hour operation.

More detail is provided in the datasheet below. Share your natural gas vehicle fueling station challenges with a product application specialist for help in determining the most suitable equipment for your application.