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Comment Heat Transfer

Heat or cool fibrous sludge with this tube-in-tube heat exchanger

By Chemical Engineering |

This new tube-in-tube heat exchanger is designed for heating and cooling sludge that contains fibers and particles, making this equipment ideal for use with most kinds of wastewater sludge. The heat exchanger consists of a single tube mounted inside an outer shell tube. The sludge flows in one direction through the inner tube (corrugated or smooth), while the heating or cooling medium flows in the other direction between the inner and outer tubes. These heat-exchanger modules are normally connected in series and mounted on a frame. The layout can, however, be customized to fit into any available installation footprint, or to comply with other user requests. The standard design pressure is 15 bars on the product side and 10 bars on the heating/cooling side. The normal working temperature is 110°C. The unit can, however, work with higher pressure ratings and temperatures, depending on the thickness of the components and the type of connections used. — Alfa Laval AB, Lund, Sweden

www.alfalaval.com

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