Wärtsilä’s New Inline Scrubber System

By Eric Haun at March 14, 2014 11:46
Filed Under: New Technology, Scrubbers

Wärtsilä said its new inline scrubber system offers a number of “notable benefits” over conventional exhaust gas cleaning systems. Already with several ships in line for installation, the company says its new product, saves space, lowers cost and eases installation.

Important for all vessels, but particularly for smaller vessels and retrofit projects, space is of chief concern when considering engine room configuration. Add after-treatment products such as scrubber systems into the mix, and space becomes an even greater priority.

Sigurd Jenssen, Director, Exhaust Gas Cleaning, Wärtsilä Ship Power, said, “Space availability is a challenge that makes it difficult for many vessels to have exhaust gas cleaning systems installed.” That’s why Wärtsilä has placed a great deal of emphasis on compactness when designing its new inline scrubber system, which was engineered to conserve considerable (and precious) space. The company said this has already generated a lot of attention from owners and operators to its new product.

And for additional advantages, Wärtsilä claims lower cost structure of the new design offers CAPEX benefits. With only one scrubber system per engine, installation can be performed faster, consequently reduces the out-of-service time for the vessel and improving operational flexibility.

The inline scrubber system operates as a conventional Wärtsilä open loop scrubber system, but has three water inlets in the main body of the scrubber, as opposed to two in the conventional system. The exhaust flows enter from the bottom and exits at the top, with water being sprayed in three stages in a counter flow to the exhaust. A Wärtsilä designed water trap prevents the scrubbing water from entering the engine. The inline configuration can be offered on the hybrid scrubber system as well.

With a contract signed in June 2013 and installation slated for this month at FaYard in Denmark, Color Line’s high speed ferry SuperSpeed 2 will be the first vessel to utilize the new Wärtsilä inline scrubber system. The vessel, which sails twice daily between Larvik, Norway and Hirtshals, Denmark, has limitations on the available space in the funnel, Wärtsilä  said, thus making its new system a practical option.

Photo: Color Line’s SuperSpeed 2

Wärtsilä also announced additional contracts signed in September 2013 for the fitting of the new inline scrubber system to three other Color Line vessels.

The new inline scrubber system from Wärtsilä

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