Introduction

The Alfa Laval Aalborg XWi is an exhaust gas steam boiler with

an integrated natural circulation system. Natural circulation

uses physical phenomena to drive the water through the boiler

unit, which removes the need for circulation pumps.

The Aalborg XWi offers considerable savings and optimal

operational safety, as confirmed by the positive feedback from

customers.

The Aalborg XWi offers savings in waste heat recovery systems

on vessels that have four-stroke engines and are frequently

put in to harbour, such as cruise vessels and passenger ferries.

The Aalborg XWi eliminates all typical problems associated

with forced circulation systems, such as cavitation, water

hammering, and operation and main tenance losses.