In addition to the monotube SMXL™ there is also a multitube mixer-heat exchanger. In cases where the flow is high and can not be handled anymore in a monotube, the multitube is an alternative. This heat exchanger has no limit in view of product throughput or heat to be transfered.

The main stream is divided in several partial pipe streams with the same operation mode as the monotube design.

The multitube SMXL mixer heat exchanger is used mainly for heating and partly for cooling applications especially for heat sensitive and/or viscous products. A special application is preheating of a polymer solution, where part of the product starts to evaporate already in the heat exchanger, for example prior to entering the devolatilisation vessel.

Every design is tailored made to match customer specification.

The mixing elements can be fixed within the pipe wall or installed as removable mixing element assembly.

Typical Technical Data

• Tube Diameter: between DN 10 and DN 32
• Length: up to 5 m
• Material: Mixing elements: 1.4571; Housing: SS or CS
• Design pressure: up to 250 bar
• Design temperature: up to 350°C

Customer advantages

• Increased heat transfer coefficient for highly viscous products
• Narrow residence time distribution
• Low shear rate
• Gentle treating due to short residence time
• Quick change from one product grade to another

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